1 //
   2 // Copyright 1998-2007 Sun Microsystems, Inc.  All Rights Reserved.
   3 // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4 //
   5 // This code is free software; you can redistribute it and/or modify it
   6 // under the terms of the GNU General Public License version 2 only, as
   7 // published by the Free Software Foundation.
   8 //
   9 // This code is distributed in the hope that it will be useful, but WITHOUT
  10 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 // FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12 // version 2 for more details (a copy is included in the LICENSE file that
  13 // accompanied this code).
  14 //
  15 // You should have received a copy of the GNU General Public License version
  16 // 2 along with this work; if not, write to the Free Software Foundation,
  17 // Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20 // CA 95054 USA or visit www.sun.com if you need additional information or
  21 // have any questions.
  22 //
  23 //
  24 
  25 // SPARC Architecture Description File
  26 
  27 //----------REGISTER DEFINITION BLOCK------------------------------------------
  28 // This information is used by the matcher and the register allocator to
  29 // describe individual registers and classes of registers within the target
  30 // archtecture.
  31 register %{
  32 //----------Architecture Description Register Definitions----------------------
  33 // General Registers
  34 // "reg_def"  name ( register save type, C convention save type,
  35 //                   ideal register type, encoding, vm name );
  36 // Register Save Types:
  37 //
  38 // NS  = No-Save:       The register allocator assumes that these registers
  39 //                      can be used without saving upon entry to the method, &
  40 //                      that they do not need to be saved at call sites.
  41 //
  42 // SOC = Save-On-Call:  The register allocator assumes that these registers
  43 //                      can be used without saving upon entry to the method,
  44 //                      but that they must be saved at call sites.
  45 //
  46 // SOE = Save-On-Entry: The register allocator assumes that these registers
  47 //                      must be saved before using them upon entry to the
  48 //                      method, but they do not need to be saved at call
  49 //                      sites.
  50 //
  51 // AS  = Always-Save:   The register allocator assumes that these registers
  52 //                      must be saved before using them upon entry to the
  53 //                      method, & that they must be saved at call sites.
  54 //
  55 // Ideal Register Type is used to determine how to save & restore a
  56 // register.  Op_RegI will get spilled with LoadI/StoreI, Op_RegP will get
  57 // spilled with LoadP/StoreP.  If the register supports both, use Op_RegI.
  58 //
  59 // The encoding number is the actual bit-pattern placed into the opcodes.
  60 
  61 
  62 // ----------------------------
  63 // Integer/Long Registers
  64 // ----------------------------
  65 
  66 // Need to expose the hi/lo aspect of 64-bit registers
  67 // This register set is used for both the 64-bit build and
  68 // the 32-bit build with 1-register longs.
  69 
  70 // Global Registers 0-7
  71 reg_def R_G0H( NS,  NS, Op_RegI,128, G0->as_VMReg()->next());
  72 reg_def R_G0 ( NS,  NS, Op_RegI,  0, G0->as_VMReg());
  73 reg_def R_G1H(SOC, SOC, Op_RegI,129, G1->as_VMReg()->next());
  74 reg_def R_G1 (SOC, SOC, Op_RegI,  1, G1->as_VMReg());
  75 reg_def R_G2H( NS,  NS, Op_RegI,130, G2->as_VMReg()->next());
  76 reg_def R_G2 ( NS,  NS, Op_RegI,  2, G2->as_VMReg());
  77 reg_def R_G3H(SOC, SOC, Op_RegI,131, G3->as_VMReg()->next());
  78 reg_def R_G3 (SOC, SOC, Op_RegI,  3, G3->as_VMReg());
  79 reg_def R_G4H(SOC, SOC, Op_RegI,132, G4->as_VMReg()->next());
  80 reg_def R_G4 (SOC, SOC, Op_RegI,  4, G4->as_VMReg());
  81 reg_def R_G5H(SOC, SOC, Op_RegI,133, G5->as_VMReg()->next());
  82 reg_def R_G5 (SOC, SOC, Op_RegI,  5, G5->as_VMReg());
  83 reg_def R_G6H( NS,  NS, Op_RegI,134, G6->as_VMReg()->next());
  84 reg_def R_G6 ( NS,  NS, Op_RegI,  6, G6->as_VMReg());
  85 reg_def R_G7H( NS,  NS, Op_RegI,135, G7->as_VMReg()->next());
  86 reg_def R_G7 ( NS,  NS, Op_RegI,  7, G7->as_VMReg());
  87 
  88 // Output Registers 0-7
  89 reg_def R_O0H(SOC, SOC, Op_RegI,136, O0->as_VMReg()->next());
  90 reg_def R_O0 (SOC, SOC, Op_RegI,  8, O0->as_VMReg());
  91 reg_def R_O1H(SOC, SOC, Op_RegI,137, O1->as_VMReg()->next());
  92 reg_def R_O1 (SOC, SOC, Op_RegI,  9, O1->as_VMReg());
  93 reg_def R_O2H(SOC, SOC, Op_RegI,138, O2->as_VMReg()->next());
  94 reg_def R_O2 (SOC, SOC, Op_RegI, 10, O2->as_VMReg());
  95 reg_def R_O3H(SOC, SOC, Op_RegI,139, O3->as_VMReg()->next());
  96 reg_def R_O3 (SOC, SOC, Op_RegI, 11, O3->as_VMReg());
  97 reg_def R_O4H(SOC, SOC, Op_RegI,140, O4->as_VMReg()->next());
  98 reg_def R_O4 (SOC, SOC, Op_RegI, 12, O4->as_VMReg());
  99 reg_def R_O5H(SOC, SOC, Op_RegI,141, O5->as_VMReg()->next());
 100 reg_def R_O5 (SOC, SOC, Op_RegI, 13, O5->as_VMReg());
 101 reg_def R_SPH( NS,  NS, Op_RegI,142, SP->as_VMReg()->next());
 102 reg_def R_SP ( NS,  NS, Op_RegI, 14, SP->as_VMReg());
 103 reg_def R_O7H(SOC, SOC, Op_RegI,143, O7->as_VMReg()->next());
 104 reg_def R_O7 (SOC, SOC, Op_RegI, 15, O7->as_VMReg());
 105 
 106 // Local Registers 0-7
 107 reg_def R_L0H( NS,  NS, Op_RegI,144, L0->as_VMReg()->next());
 108 reg_def R_L0 ( NS,  NS, Op_RegI, 16, L0->as_VMReg());
 109 reg_def R_L1H( NS,  NS, Op_RegI,145, L1->as_VMReg()->next());
 110 reg_def R_L1 ( NS,  NS, Op_RegI, 17, L1->as_VMReg());
 111 reg_def R_L2H( NS,  NS, Op_RegI,146, L2->as_VMReg()->next());
 112 reg_def R_L2 ( NS,  NS, Op_RegI, 18, L2->as_VMReg());
 113 reg_def R_L3H( NS,  NS, Op_RegI,147, L3->as_VMReg()->next());
 114 reg_def R_L3 ( NS,  NS, Op_RegI, 19, L3->as_VMReg());
 115 reg_def R_L4H( NS,  NS, Op_RegI,148, L4->as_VMReg()->next());
 116 reg_def R_L4 ( NS,  NS, Op_RegI, 20, L4->as_VMReg());
 117 reg_def R_L5H( NS,  NS, Op_RegI,149, L5->as_VMReg()->next());
 118 reg_def R_L5 ( NS,  NS, Op_RegI, 21, L5->as_VMReg());
 119 reg_def R_L6H( NS,  NS, Op_RegI,150, L6->as_VMReg()->next());
 120 reg_def R_L6 ( NS,  NS, Op_RegI, 22, L6->as_VMReg());
 121 reg_def R_L7H( NS,  NS, Op_RegI,151, L7->as_VMReg()->next());
 122 reg_def R_L7 ( NS,  NS, Op_RegI, 23, L7->as_VMReg());
 123 
 124 // Input Registers 0-7
 125 reg_def R_I0H( NS,  NS, Op_RegI,152, I0->as_VMReg()->next());
 126 reg_def R_I0 ( NS,  NS, Op_RegI, 24, I0->as_VMReg());
 127 reg_def R_I1H( NS,  NS, Op_RegI,153, I1->as_VMReg()->next());
 128 reg_def R_I1 ( NS,  NS, Op_RegI, 25, I1->as_VMReg());
 129 reg_def R_I2H( NS,  NS, Op_RegI,154, I2->as_VMReg()->next());
 130 reg_def R_I2 ( NS,  NS, Op_RegI, 26, I2->as_VMReg());
 131 reg_def R_I3H( NS,  NS, Op_RegI,155, I3->as_VMReg()->next());
 132 reg_def R_I3 ( NS,  NS, Op_RegI, 27, I3->as_VMReg());
 133 reg_def R_I4H( NS,  NS, Op_RegI,156, I4->as_VMReg()->next());
 134 reg_def R_I4 ( NS,  NS, Op_RegI, 28, I4->as_VMReg());
 135 reg_def R_I5H( NS,  NS, Op_RegI,157, I5->as_VMReg()->next());
 136 reg_def R_I5 ( NS,  NS, Op_RegI, 29, I5->as_VMReg());
 137 reg_def R_FPH( NS,  NS, Op_RegI,158, FP->as_VMReg()->next());
 138 reg_def R_FP ( NS,  NS, Op_RegI, 30, FP->as_VMReg());
 139 reg_def R_I7H( NS,  NS, Op_RegI,159, I7->as_VMReg()->next());
 140 reg_def R_I7 ( NS,  NS, Op_RegI, 31, I7->as_VMReg());
 141 
 142 // ----------------------------
 143 // Float/Double Registers
 144 // ----------------------------
 145 
 146 // Float Registers
 147 reg_def R_F0 ( SOC, SOC, Op_RegF,  0, F0->as_VMReg());
 148 reg_def R_F1 ( SOC, SOC, Op_RegF,  1, F1->as_VMReg());
 149 reg_def R_F2 ( SOC, SOC, Op_RegF,  2, F2->as_VMReg());
 150 reg_def R_F3 ( SOC, SOC, Op_RegF,  3, F3->as_VMReg());
 151 reg_def R_F4 ( SOC, SOC, Op_RegF,  4, F4->as_VMReg());
 152 reg_def R_F5 ( SOC, SOC, Op_RegF,  5, F5->as_VMReg());
 153 reg_def R_F6 ( SOC, SOC, Op_RegF,  6, F6->as_VMReg());
 154 reg_def R_F7 ( SOC, SOC, Op_RegF,  7, F7->as_VMReg());
 155 reg_def R_F8 ( SOC, SOC, Op_RegF,  8, F8->as_VMReg());
 156 reg_def R_F9 ( SOC, SOC, Op_RegF,  9, F9->as_VMReg());
 157 reg_def R_F10( SOC, SOC, Op_RegF, 10, F10->as_VMReg());
 158 reg_def R_F11( SOC, SOC, Op_RegF, 11, F11->as_VMReg());
 159 reg_def R_F12( SOC, SOC, Op_RegF, 12, F12->as_VMReg());
 160 reg_def R_F13( SOC, SOC, Op_RegF, 13, F13->as_VMReg());
 161 reg_def R_F14( SOC, SOC, Op_RegF, 14, F14->as_VMReg());
 162 reg_def R_F15( SOC, SOC, Op_RegF, 15, F15->as_VMReg());
 163 reg_def R_F16( SOC, SOC, Op_RegF, 16, F16->as_VMReg());
 164 reg_def R_F17( SOC, SOC, Op_RegF, 17, F17->as_VMReg());
 165 reg_def R_F18( SOC, SOC, Op_RegF, 18, F18->as_VMReg());
 166 reg_def R_F19( SOC, SOC, Op_RegF, 19, F19->as_VMReg());
 167 reg_def R_F20( SOC, SOC, Op_RegF, 20, F20->as_VMReg());
 168 reg_def R_F21( SOC, SOC, Op_RegF, 21, F21->as_VMReg());
 169 reg_def R_F22( SOC, SOC, Op_RegF, 22, F22->as_VMReg());
 170 reg_def R_F23( SOC, SOC, Op_RegF, 23, F23->as_VMReg());
 171 reg_def R_F24( SOC, SOC, Op_RegF, 24, F24->as_VMReg());
 172 reg_def R_F25( SOC, SOC, Op_RegF, 25, F25->as_VMReg());
 173 reg_def R_F26( SOC, SOC, Op_RegF, 26, F26->as_VMReg());
 174 reg_def R_F27( SOC, SOC, Op_RegF, 27, F27->as_VMReg());
 175 reg_def R_F28( SOC, SOC, Op_RegF, 28, F28->as_VMReg());
 176 reg_def R_F29( SOC, SOC, Op_RegF, 29, F29->as_VMReg());
 177 reg_def R_F30( SOC, SOC, Op_RegF, 30, F30->as_VMReg());
 178 reg_def R_F31( SOC, SOC, Op_RegF, 31, F31->as_VMReg());
 179 
 180 // Double Registers
 181 // The rules of ADL require that double registers be defined in pairs.
 182 // Each pair must be two 32-bit values, but not necessarily a pair of
 183 // single float registers.  In each pair, ADLC-assigned register numbers
 184 // must be adjacent, with the lower number even.  Finally, when the
 185 // CPU stores such a register pair to memory, the word associated with
 186 // the lower ADLC-assigned number must be stored to the lower address.
 187 
 188 // These definitions specify the actual bit encodings of the sparc
 189 // double fp register numbers.  FloatRegisterImpl in register_sparc.hpp
 190 // wants 0-63, so we have to convert every time we want to use fp regs
 191 // with the macroassembler, using reg_to_DoubleFloatRegister_object().
 192 // 255 is a flag meaning 'dont go here'.
 193 // I believe we can't handle callee-save doubles D32 and up until
 194 // the place in the sparc stack crawler that asserts on the 255 is
 195 // fixed up.
 196 reg_def R_D32x(SOC, SOC, Op_RegD,255, F32->as_VMReg());
 197 reg_def R_D32 (SOC, SOC, Op_RegD,  1, F32->as_VMReg()->next());
 198 reg_def R_D34x(SOC, SOC, Op_RegD,255, F34->as_VMReg());
 199 reg_def R_D34 (SOC, SOC, Op_RegD,  3, F34->as_VMReg()->next());
 200 reg_def R_D36x(SOC, SOC, Op_RegD,255, F36->as_VMReg());
 201 reg_def R_D36 (SOC, SOC, Op_RegD,  5, F36->as_VMReg()->next());
 202 reg_def R_D38x(SOC, SOC, Op_RegD,255, F38->as_VMReg());
 203 reg_def R_D38 (SOC, SOC, Op_RegD,  7, F38->as_VMReg()->next());
 204 reg_def R_D40x(SOC, SOC, Op_RegD,255, F40->as_VMReg());
 205 reg_def R_D40 (SOC, SOC, Op_RegD,  9, F40->as_VMReg()->next());
 206 reg_def R_D42x(SOC, SOC, Op_RegD,255, F42->as_VMReg());
 207 reg_def R_D42 (SOC, SOC, Op_RegD, 11, F42->as_VMReg()->next());
 208 reg_def R_D44x(SOC, SOC, Op_RegD,255, F44->as_VMReg());
 209 reg_def R_D44 (SOC, SOC, Op_RegD, 13, F44->as_VMReg()->next());
 210 reg_def R_D46x(SOC, SOC, Op_RegD,255, F46->as_VMReg());
 211 reg_def R_D46 (SOC, SOC, Op_RegD, 15, F46->as_VMReg()->next());
 212 reg_def R_D48x(SOC, SOC, Op_RegD,255, F48->as_VMReg());
 213 reg_def R_D48 (SOC, SOC, Op_RegD, 17, F48->as_VMReg()->next());
 214 reg_def R_D50x(SOC, SOC, Op_RegD,255, F50->as_VMReg());
 215 reg_def R_D50 (SOC, SOC, Op_RegD, 19, F50->as_VMReg()->next());
 216 reg_def R_D52x(SOC, SOC, Op_RegD,255, F52->as_VMReg());
 217 reg_def R_D52 (SOC, SOC, Op_RegD, 21, F52->as_VMReg()->next());
 218 reg_def R_D54x(SOC, SOC, Op_RegD,255, F54->as_VMReg());
 219 reg_def R_D54 (SOC, SOC, Op_RegD, 23, F54->as_VMReg()->next());
 220 reg_def R_D56x(SOC, SOC, Op_RegD,255, F56->as_VMReg());
 221 reg_def R_D56 (SOC, SOC, Op_RegD, 25, F56->as_VMReg()->next());
 222 reg_def R_D58x(SOC, SOC, Op_RegD,255, F58->as_VMReg());
 223 reg_def R_D58 (SOC, SOC, Op_RegD, 27, F58->as_VMReg()->next());
 224 reg_def R_D60x(SOC, SOC, Op_RegD,255, F60->as_VMReg());
 225 reg_def R_D60 (SOC, SOC, Op_RegD, 29, F60->as_VMReg()->next());
 226 reg_def R_D62x(SOC, SOC, Op_RegD,255, F62->as_VMReg());
 227 reg_def R_D62 (SOC, SOC, Op_RegD, 31, F62->as_VMReg()->next());
 228 
 229 
 230 // ----------------------------
 231 // Special Registers
 232 // Condition Codes Flag Registers
 233 // I tried to break out ICC and XCC but it's not very pretty.
 234 // Every Sparc instruction which defs/kills one also kills the other.
 235 // Hence every compare instruction which defs one kind of flags ends
 236 // up needing a kill of the other.
 237 reg_def CCR (SOC, SOC,  Op_RegFlags, 0, VMRegImpl::Bad());
 238 
 239 reg_def FCC0(SOC, SOC,  Op_RegFlags, 0, VMRegImpl::Bad());
 240 reg_def FCC1(SOC, SOC,  Op_RegFlags, 1, VMRegImpl::Bad());
 241 reg_def FCC2(SOC, SOC,  Op_RegFlags, 2, VMRegImpl::Bad());
 242 reg_def FCC3(SOC, SOC,  Op_RegFlags, 3, VMRegImpl::Bad());
 243 
 244 // ----------------------------
 245 // Specify the enum values for the registers.  These enums are only used by the
 246 // OptoReg "class". We can convert these enum values at will to VMReg when needed
 247 // for visibility to the rest of the vm. The order of this enum influences the
 248 // register allocator so having the freedom to set this order and not be stuck
 249 // with the order that is natural for the rest of the vm is worth it.
 250 alloc_class chunk0(
 251   R_L0,R_L0H, R_L1,R_L1H, R_L2,R_L2H, R_L3,R_L3H, R_L4,R_L4H, R_L5,R_L5H, R_L6,R_L6H, R_L7,R_L7H,
 252   R_G0,R_G0H, R_G1,R_G1H, R_G2,R_G2H, R_G3,R_G3H, R_G4,R_G4H, R_G5,R_G5H, R_G6,R_G6H, R_G7,R_G7H,
 253   R_O7,R_O7H, R_SP,R_SPH, R_O0,R_O0H, R_O1,R_O1H, R_O2,R_O2H, R_O3,R_O3H, R_O4,R_O4H, R_O5,R_O5H,
 254   R_I0,R_I0H, R_I1,R_I1H, R_I2,R_I2H, R_I3,R_I3H, R_I4,R_I4H, R_I5,R_I5H, R_FP,R_FPH, R_I7,R_I7H);
 255 
 256 // Note that a register is not allocatable unless it is also mentioned
 257 // in a widely-used reg_class below.  Thus, R_G7 and R_G0 are outside i_reg.
 258 
 259 alloc_class chunk1(
 260   // The first registers listed here are those most likely to be used
 261   // as temporaries.  We move F0..F7 away from the front of the list,
 262   // to reduce the likelihood of interferences with parameters and
 263   // return values.  Likewise, we avoid using F0/F1 for parameters,
 264   // since they are used for return values.
 265   // This FPU fine-tuning is worth about 1% on the SPEC geomean.
 266   R_F8 ,R_F9 ,R_F10,R_F11,R_F12,R_F13,R_F14,R_F15,
 267   R_F16,R_F17,R_F18,R_F19,R_F20,R_F21,R_F22,R_F23,
 268   R_F24,R_F25,R_F26,R_F27,R_F28,R_F29,R_F30,R_F31,
 269   R_F0 ,R_F1 ,R_F2 ,R_F3 ,R_F4 ,R_F5 ,R_F6 ,R_F7 , // used for arguments and return values
 270   R_D32,R_D32x,R_D34,R_D34x,R_D36,R_D36x,R_D38,R_D38x,
 271   R_D40,R_D40x,R_D42,R_D42x,R_D44,R_D44x,R_D46,R_D46x,
 272   R_D48,R_D48x,R_D50,R_D50x,R_D52,R_D52x,R_D54,R_D54x,
 273   R_D56,R_D56x,R_D58,R_D58x,R_D60,R_D60x,R_D62,R_D62x);
 274 
 275 alloc_class chunk2(CCR, FCC0, FCC1, FCC2, FCC3);
 276 
 277 //----------Architecture Description Register Classes--------------------------
 278 // Several register classes are automatically defined based upon information in
 279 // this architecture description.
 280 // 1) reg_class inline_cache_reg           ( as defined in frame section )
 281 // 2) reg_class interpreter_method_oop_reg ( as defined in frame section )
 282 // 3) reg_class stack_slots( /* one chunk of stack-based "registers" */ )
 283 //
 284 
 285 // G0 is not included in integer class since it has special meaning.
 286 reg_class g0_reg(R_G0);
 287 
 288 // ----------------------------
 289 // Integer Register Classes
 290 // ----------------------------
 291 // Exclusions from i_reg:
 292 // R_G0: hardwired zero
 293 // R_G2: reserved by HotSpot to the TLS register (invariant within Java)
 294 // R_G6: reserved by Solaris ABI to tools
 295 // R_G7: reserved by Solaris ABI to libthread
 296 // R_O7: Used as a temp in many encodings
 297 reg_class int_reg(R_G1,R_G3,R_G4,R_G5,R_O0,R_O1,R_O2,R_O3,R_O4,R_O5,R_L0,R_L1,R_L2,R_L3,R_L4,R_L5,R_L6,R_L7,R_I0,R_I1,R_I2,R_I3,R_I4,R_I5);
 298 
 299 // Class for all integer registers, except the G registers.  This is used for
 300 // encodings which use G registers as temps.  The regular inputs to such
 301 // instructions use a "notemp_" prefix, as a hack to ensure that the allocator
 302 // will not put an input into a temp register.
 303 reg_class notemp_int_reg(R_O0,R_O1,R_O2,R_O3,R_O4,R_O5,R_L0,R_L1,R_L2,R_L3,R_L4,R_L5,R_L6,R_L7,R_I0,R_I1,R_I2,R_I3,R_I4,R_I5);
 304 
 305 reg_class g1_regI(R_G1);
 306 reg_class g3_regI(R_G3);
 307 reg_class g4_regI(R_G4);
 308 reg_class o0_regI(R_O0);
 309 reg_class o7_regI(R_O7);
 310 
 311 // ----------------------------
 312 // Pointer Register Classes
 313 // ----------------------------
 314 #ifdef _LP64
 315 // 64-bit build means 64-bit pointers means hi/lo pairs
 316 reg_class ptr_reg(            R_G1H,R_G1,             R_G3H,R_G3, R_G4H,R_G4, R_G5H,R_G5,
 317                   R_O0H,R_O0, R_O1H,R_O1, R_O2H,R_O2, R_O3H,R_O3, R_O4H,R_O4, R_O5H,R_O5,
 318                   R_L0H,R_L0, R_L1H,R_L1, R_L2H,R_L2, R_L3H,R_L3, R_L4H,R_L4, R_L5H,R_L5, R_L6H,R_L6, R_L7H,R_L7,
 319                   R_I0H,R_I0, R_I1H,R_I1, R_I2H,R_I2, R_I3H,R_I3, R_I4H,R_I4, R_I5H,R_I5 );
 320 // Lock encodings use G3 and G4 internally
 321 reg_class lock_ptr_reg(       R_G1H,R_G1,                                     R_G5H,R_G5,
 322                   R_O0H,R_O0, R_O1H,R_O1, R_O2H,R_O2, R_O3H,R_O3, R_O4H,R_O4, R_O5H,R_O5,
 323                   R_L0H,R_L0, R_L1H,R_L1, R_L2H,R_L2, R_L3H,R_L3, R_L4H,R_L4, R_L5H,R_L5, R_L6H,R_L6, R_L7H,R_L7,
 324                   R_I0H,R_I0, R_I1H,R_I1, R_I2H,R_I2, R_I3H,R_I3, R_I4H,R_I4, R_I5H,R_I5 );
 325 // Special class for storeP instructions, which can store SP or RPC to TLS.
 326 // It is also used for memory addressing, allowing direct TLS addressing.
 327 reg_class sp_ptr_reg(         R_G1H,R_G1, R_G2H,R_G2, R_G3H,R_G3, R_G4H,R_G4, R_G5H,R_G5,
 328                   R_O0H,R_O0, R_O1H,R_O1, R_O2H,R_O2, R_O3H,R_O3, R_O4H,R_O4, R_O5H,R_O5, R_SPH,R_SP,
 329                   R_L0H,R_L0, R_L1H,R_L1, R_L2H,R_L2, R_L3H,R_L3, R_L4H,R_L4, R_L5H,R_L5, R_L6H,R_L6, R_L7H,R_L7,
 330                   R_I0H,R_I0, R_I1H,R_I1, R_I2H,R_I2, R_I3H,R_I3, R_I4H,R_I4, R_I5H,R_I5, R_FPH,R_FP );
 331 // R_L7 is the lowest-priority callee-save (i.e., NS) register
 332 // We use it to save R_G2 across calls out of Java.
 333 reg_class l7_regP(R_L7H,R_L7);
 334 
 335 // Other special pointer regs
 336 reg_class g1_regP(R_G1H,R_G1);
 337 reg_class g2_regP(R_G2H,R_G2);
 338 reg_class g3_regP(R_G3H,R_G3);
 339 reg_class g4_regP(R_G4H,R_G4);
 340 reg_class g5_regP(R_G5H,R_G5);
 341 reg_class i0_regP(R_I0H,R_I0);
 342 reg_class o0_regP(R_O0H,R_O0);
 343 reg_class o1_regP(R_O1H,R_O1);
 344 reg_class o2_regP(R_O2H,R_O2);
 345 reg_class o7_regP(R_O7H,R_O7);
 346 
 347 #else // _LP64
 348 // 32-bit build means 32-bit pointers means 1 register.
 349 reg_class ptr_reg(     R_G1,     R_G3,R_G4,R_G5,
 350                   R_O0,R_O1,R_O2,R_O3,R_O4,R_O5,
 351                   R_L0,R_L1,R_L2,R_L3,R_L4,R_L5,R_L6,R_L7,
 352                   R_I0,R_I1,R_I2,R_I3,R_I4,R_I5);
 353 // Lock encodings use G3 and G4 internally
 354 reg_class lock_ptr_reg(R_G1,               R_G5,
 355                   R_O0,R_O1,R_O2,R_O3,R_O4,R_O5,
 356                   R_L0,R_L1,R_L2,R_L3,R_L4,R_L5,R_L6,R_L7,
 357                   R_I0,R_I1,R_I2,R_I3,R_I4,R_I5);
 358 // Special class for storeP instructions, which can store SP or RPC to TLS.
 359 // It is also used for memory addressing, allowing direct TLS addressing.
 360 reg_class sp_ptr_reg(  R_G1,R_G2,R_G3,R_G4,R_G5,
 361                   R_O0,R_O1,R_O2,R_O3,R_O4,R_O5,R_SP,
 362                   R_L0,R_L1,R_L2,R_L3,R_L4,R_L5,R_L6,R_L7,
 363                   R_I0,R_I1,R_I2,R_I3,R_I4,R_I5,R_FP);
 364 // R_L7 is the lowest-priority callee-save (i.e., NS) register
 365 // We use it to save R_G2 across calls out of Java.
 366 reg_class l7_regP(R_L7);
 367 
 368 // Other special pointer regs
 369 reg_class g1_regP(R_G1);
 370 reg_class g2_regP(R_G2);
 371 reg_class g3_regP(R_G3);
 372 reg_class g4_regP(R_G4);
 373 reg_class g5_regP(R_G5);
 374 reg_class i0_regP(R_I0);
 375 reg_class o0_regP(R_O0);
 376 reg_class o1_regP(R_O1);
 377 reg_class o2_regP(R_O2);
 378 reg_class o7_regP(R_O7);
 379 #endif // _LP64
 380 
 381 
 382 // ----------------------------
 383 // Long Register Classes
 384 // ----------------------------
 385 // Longs in 1 register.  Aligned adjacent hi/lo pairs.
 386 // Note:  O7 is never in this class; it is sometimes used as an encoding temp.
 387 reg_class long_reg(             R_G1H,R_G1,             R_G3H,R_G3, R_G4H,R_G4, R_G5H,R_G5
 388                    ,R_O0H,R_O0, R_O1H,R_O1, R_O2H,R_O2, R_O3H,R_O3, R_O4H,R_O4, R_O5H,R_O5
 389 #ifdef _LP64
 390 // 64-bit, longs in 1 register: use all 64-bit integer registers
 391 // 32-bit, longs in 1 register: cannot use I's and L's.  Restrict to O's and G's.
 392                    ,R_L0H,R_L0, R_L1H,R_L1, R_L2H,R_L2, R_L3H,R_L3, R_L4H,R_L4, R_L5H,R_L5, R_L6H,R_L6, R_L7H,R_L7
 393                    ,R_I0H,R_I0, R_I1H,R_I1, R_I2H,R_I2, R_I3H,R_I3, R_I4H,R_I4, R_I5H,R_I5
 394 #endif // _LP64
 395                   );
 396 
 397 reg_class g1_regL(R_G1H,R_G1);
 398 reg_class o2_regL(R_O2H,R_O2);
 399 reg_class o7_regL(R_O7H,R_O7);
 400 
 401 // ----------------------------
 402 // Special Class for Condition Code Flags Register
 403 reg_class int_flags(CCR);
 404 reg_class float_flags(FCC0,FCC1,FCC2,FCC3);
 405 reg_class float_flag0(FCC0);
 406 
 407 
 408 // ----------------------------
 409 // Float Point Register Classes
 410 // ----------------------------
 411 // Skip F30/F31, they are reserved for mem-mem copies
 412 reg_class sflt_reg(R_F0,R_F1,R_F2,R_F3,R_F4,R_F5,R_F6,R_F7,R_F8,R_F9,R_F10,R_F11,R_F12,R_F13,R_F14,R_F15,R_F16,R_F17,R_F18,R_F19,R_F20,R_F21,R_F22,R_F23,R_F24,R_F25,R_F26,R_F27,R_F28,R_F29);
 413 
 414 // Paired floating point registers--they show up in the same order as the floats,
 415 // but they are used with the "Op_RegD" type, and always occur in even/odd pairs.
 416 reg_class dflt_reg(R_F0, R_F1, R_F2, R_F3, R_F4, R_F5, R_F6, R_F7, R_F8, R_F9, R_F10,R_F11,R_F12,R_F13,R_F14,R_F15,
 417                    R_F16,R_F17,R_F18,R_F19,R_F20,R_F21,R_F22,R_F23,R_F24,R_F25,R_F26,R_F27,R_F28,R_F29,
 418                    /* Use extra V9 double registers; this AD file does not support V8 */
 419                    R_D32,R_D32x,R_D34,R_D34x,R_D36,R_D36x,R_D38,R_D38x,R_D40,R_D40x,R_D42,R_D42x,R_D44,R_D44x,R_D46,R_D46x,
 420                    R_D48,R_D48x,R_D50,R_D50x,R_D52,R_D52x,R_D54,R_D54x,R_D56,R_D56x,R_D58,R_D58x,R_D60,R_D60x,R_D62,R_D62x
 421                    );
 422 
 423 // Paired floating point registers--they show up in the same order as the floats,
 424 // but they are used with the "Op_RegD" type, and always occur in even/odd pairs.
 425 // This class is usable for mis-aligned loads as happen in I2C adapters.
 426 reg_class dflt_low_reg(R_F0, R_F1, R_F2, R_F3, R_F4, R_F5, R_F6, R_F7, R_F8, R_F9, R_F10,R_F11,R_F12,R_F13,R_F14,R_F15,
 427                    R_F16,R_F17,R_F18,R_F19,R_F20,R_F21,R_F22,R_F23,R_F24,R_F25,R_F26,R_F27,R_F28,R_F29,R_F30,R_F31 );
 428 %}
 429 
 430 //----------DEFINITION BLOCK---------------------------------------------------
 431 // Define name --> value mappings to inform the ADLC of an integer valued name
 432 // Current support includes integer values in the range [0, 0x7FFFFFFF]
 433 // Format:
 434 //        int_def  <name>         ( <int_value>, <expression>);
 435 // Generated Code in ad_<arch>.hpp
 436 //        #define  <name>   (<expression>)
 437 //        // value == <int_value>
 438 // Generated code in ad_<arch>.cpp adlc_verification()
 439 //        assert( <name> == <int_value>, "Expect (<expression>) to equal <int_value>");
 440 //
 441 definitions %{
 442 // The default cost (of an ALU instruction).
 443   int_def DEFAULT_COST      (    100,     100);
 444   int_def HUGE_COST         (1000000, 1000000);
 445 
 446 // Memory refs are twice as expensive as run-of-the-mill.
 447   int_def MEMORY_REF_COST   (    200, DEFAULT_COST * 2);
 448 
 449 // Branches are even more expensive.
 450   int_def BRANCH_COST       (    300, DEFAULT_COST * 3);
 451   int_def CALL_COST         (    300, DEFAULT_COST * 3);
 452 %}
 453 
 454 
 455 //----------SOURCE BLOCK-------------------------------------------------------
 456 // This is a block of C++ code which provides values, functions, and
 457 // definitions necessary in the rest of the architecture description
 458 source_hpp %{
 459 // Must be visible to the DFA in dfa_sparc.cpp
 460 extern bool can_branch_register( Node *bol, Node *cmp );
 461 
 462 // Macros to extract hi & lo halves from a long pair.
 463 // G0 is not part of any long pair, so assert on that.
 464 // Prevents accidently using G1 instead of G0.
 465 #define LONG_HI_REG(x) (x)
 466 #define LONG_LO_REG(x) (x)
 467 
 468 %}
 469 
 470 source %{
 471 #define __ _masm.
 472 
 473 // tertiary op of a LoadP or StoreP encoding
 474 #define REGP_OP true
 475 
 476 static FloatRegister reg_to_SingleFloatRegister_object(int register_encoding);
 477 static FloatRegister reg_to_DoubleFloatRegister_object(int register_encoding);
 478 static Register reg_to_register_object(int register_encoding);
 479 
 480 // Used by the DFA in dfa_sparc.cpp.
 481 // Check for being able to use a V9 branch-on-register.  Requires a
 482 // compare-vs-zero, equal/not-equal, of a value which was zero- or sign-
 483 // extended.  Doesn't work following an integer ADD, for example, because of
 484 // overflow (-1 incremented yields 0 plus a carry in the high-order word).  On
 485 // 32-bit V9 systems, interrupts currently blow away the high-order 32 bits and
 486 // replace them with zero, which could become sign-extension in a different OS
 487 // release.  There's no obvious reason why an interrupt will ever fill these
 488 // bits with non-zero junk (the registers are reloaded with standard LD
 489 // instructions which either zero-fill or sign-fill).
 490 bool can_branch_register( Node *bol, Node *cmp ) {
 491   if( !BranchOnRegister ) return false;
 492 #ifdef _LP64
 493   if( cmp->Opcode() == Op_CmpP )
 494     return true;  // No problems with pointer compares
 495 #endif
 496   if( cmp->Opcode() == Op_CmpL )
 497     return true;  // No problems with long compares
 498 
 499   if( !SparcV9RegsHiBitsZero ) return false;
 500   if( bol->as_Bool()->_test._test != BoolTest::ne &&
 501       bol->as_Bool()->_test._test != BoolTest::eq )
 502      return false;
 503 
 504   // Check for comparing against a 'safe' value.  Any operation which
 505   // clears out the high word is safe.  Thus, loads and certain shifts
 506   // are safe, as are non-negative constants.  Any operation which
 507   // preserves zero bits in the high word is safe as long as each of its
 508   // inputs are safe.  Thus, phis and bitwise booleans are safe if their
 509   // inputs are safe.  At present, the only important case to recognize
 510   // seems to be loads.  Constants should fold away, and shifts &
 511   // logicals can use the 'cc' forms.
 512   Node *x = cmp->in(1);
 513   if( x->is_Load() ) return true;
 514   if( x->is_Phi() ) {
 515     for( uint i = 1; i < x->req(); i++ )
 516       if( !x->in(i)->is_Load() )
 517         return false;
 518     return true;
 519   }
 520   return false;
 521 }
 522 
 523 // ****************************************************************************
 524 
 525 // REQUIRED FUNCTIONALITY
 526 
 527 // !!!!! Special hack to get all type of calls to specify the byte offset
 528 //       from the start of the call to the point where the return address
 529 //       will point.
 530 //       The "return address" is the address of the call instruction, plus 8.
 531 
 532 int MachCallStaticJavaNode::ret_addr_offset() {
 533   return NativeCall::instruction_size;  // call; delay slot
 534 }
 535 
 536 int MachCallDynamicJavaNode::ret_addr_offset() {
 537   int vtable_index = this->_vtable_index;
 538   if (vtable_index < 0) {
 539     // must be invalid_vtable_index, not nonvirtual_vtable_index
 540     assert(vtable_index == methodOopDesc::invalid_vtable_index, "correct sentinel value");
 541     return (NativeMovConstReg::instruction_size +
 542            NativeCall::instruction_size);  // sethi; setlo; call; delay slot
 543   } else {
 544     assert(!UseInlineCaches, "expect vtable calls only if not using ICs");
 545     int entry_offset = instanceKlass::vtable_start_offset() + vtable_index*vtableEntry::size();
 546     int v_off = entry_offset*wordSize + vtableEntry::method_offset_in_bytes();
 547     int klass_load_size;
 548     if (UseCompressedOops) {
 549       klass_load_size = 3*BytesPerInstWord; // see MacroAssembler::load_klass()
 550     } else {
 551       klass_load_size = 1*BytesPerInstWord;
 552     }
 553     if( Assembler::is_simm13(v_off) ) {
 554       return klass_load_size +
 555              (2*BytesPerInstWord +           // ld_ptr, ld_ptr
 556              NativeCall::instruction_size);  // call; delay slot
 557     } else {
 558       return klass_load_size +
 559              (4*BytesPerInstWord +           // set_hi, set, ld_ptr, ld_ptr
 560              NativeCall::instruction_size);  // call; delay slot
 561     }
 562   }
 563 }
 564 
 565 int MachCallRuntimeNode::ret_addr_offset() {
 566 #ifdef _LP64
 567   return NativeFarCall::instruction_size;  // farcall; delay slot
 568 #else
 569   return NativeCall::instruction_size;  // call; delay slot
 570 #endif
 571 }
 572 
 573 // Indicate if the safepoint node needs the polling page as an input.
 574 // Since Sparc does not have absolute addressing, it does.
 575 bool SafePointNode::needs_polling_address_input() {
 576   return true;
 577 }
 578 
 579 // emit an interrupt that is caught by the debugger (for debugging compiler)
 580 void emit_break(CodeBuffer &cbuf) {
 581   MacroAssembler _masm(&cbuf);
 582   __ breakpoint_trap();
 583 }
 584 
 585 #ifndef PRODUCT
 586 void MachBreakpointNode::format( PhaseRegAlloc *, outputStream *st ) const {
 587   st->print("TA");
 588 }
 589 #endif
 590 
 591 void MachBreakpointNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {
 592   emit_break(cbuf);
 593 }
 594 
 595 uint MachBreakpointNode::size(PhaseRegAlloc *ra_) const {
 596   return MachNode::size(ra_);
 597 }
 598 
 599 // Traceable jump
 600 void  emit_jmpl(CodeBuffer &cbuf, int jump_target) {
 601   MacroAssembler _masm(&cbuf);
 602   Register rdest = reg_to_register_object(jump_target);
 603   __ JMP(rdest, 0);
 604   __ delayed()->nop();
 605 }
 606 
 607 // Traceable jump and set exception pc
 608 void  emit_jmpl_set_exception_pc(CodeBuffer &cbuf, int jump_target) {
 609   MacroAssembler _masm(&cbuf);
 610   Register rdest = reg_to_register_object(jump_target);
 611   __ JMP(rdest, 0);
 612   __ delayed()->add(O7, frame::pc_return_offset, Oissuing_pc );
 613 }
 614 
 615 void emit_nop(CodeBuffer &cbuf) {
 616   MacroAssembler _masm(&cbuf);
 617   __ nop();
 618 }
 619 
 620 void emit_illtrap(CodeBuffer &cbuf) {
 621   MacroAssembler _masm(&cbuf);
 622   __ illtrap(0);
 623 }
 624 
 625 
 626 intptr_t get_offset_from_base(const MachNode* n, const TypePtr* atype, int disp32) {
 627   assert(n->rule() != loadUB_rule, "");
 628 
 629   intptr_t offset = 0;
 630   const TypePtr *adr_type = TYPE_PTR_SENTINAL;  // Check for base==RegI, disp==immP
 631   const Node* addr = n->get_base_and_disp(offset, adr_type);
 632   assert(adr_type == (const TypePtr*)-1, "VerifyOops: no support for sparc operands with base==RegI, disp==immP");
 633   assert(addr != NULL && addr != (Node*)-1, "invalid addr");
 634   assert(addr->bottom_type()->isa_oopptr() == atype, "");
 635   atype = atype->add_offset(offset);
 636   assert(disp32 == offset, "wrong disp32");
 637   return atype->_offset;
 638 }
 639 
 640 
 641 intptr_t get_offset_from_base_2(const MachNode* n, const TypePtr* atype, int disp32) {
 642   assert(n->rule() != loadUB_rule, "");
 643 
 644   intptr_t offset = 0;
 645   Node* addr = n->in(2);
 646   assert(addr->bottom_type()->isa_oopptr() == atype, "");
 647   if (addr->is_Mach() && addr->as_Mach()->ideal_Opcode() == Op_AddP) {
 648     Node* a = addr->in(2/*AddPNode::Address*/);
 649     Node* o = addr->in(3/*AddPNode::Offset*/);
 650     offset = o->is_Con() ? o->bottom_type()->is_intptr_t()->get_con() : Type::OffsetBot;
 651     atype = a->bottom_type()->is_ptr()->add_offset(offset);
 652     assert(atype->isa_oop_ptr(), "still an oop");
 653   }
 654   offset = atype->is_ptr()->_offset;
 655   if (offset != Type::OffsetBot)  offset += disp32;
 656   return offset;
 657 }
 658 
 659 // Standard Sparc opcode form2 field breakdown
 660 static inline void emit2_19(CodeBuffer &cbuf, int f30, int f29, int f25, int f22, int f20, int f19, int f0 ) {
 661   f0 &= (1<<19)-1;     // Mask displacement to 19 bits
 662   int op = (f30 << 30) |
 663            (f29 << 29) |
 664            (f25 << 25) |
 665            (f22 << 22) |
 666            (f20 << 20) |
 667            (f19 << 19) |
 668            (f0  <<  0);
 669   *((int*)(cbuf.code_end())) = op;
 670   cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
 671 }
 672 
 673 // Standard Sparc opcode form2 field breakdown
 674 static inline void emit2_22(CodeBuffer &cbuf, int f30, int f25, int f22, int f0 ) {
 675   f0 >>= 10;           // Drop 10 bits
 676   f0 &= (1<<22)-1;     // Mask displacement to 22 bits
 677   int op = (f30 << 30) |
 678            (f25 << 25) |
 679            (f22 << 22) |
 680            (f0  <<  0);
 681   *((int*)(cbuf.code_end())) = op;
 682   cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
 683 }
 684 
 685 // Standard Sparc opcode form3 field breakdown
 686 static inline void emit3(CodeBuffer &cbuf, int f30, int f25, int f19, int f14, int f5, int f0 ) {
 687   int op = (f30 << 30) |
 688            (f25 << 25) |
 689            (f19 << 19) |
 690            (f14 << 14) |
 691            (f5  <<  5) |
 692            (f0  <<  0);
 693   *((int*)(cbuf.code_end())) = op;
 694   cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
 695 }
 696 
 697 // Standard Sparc opcode form3 field breakdown
 698 static inline void emit3_simm13(CodeBuffer &cbuf, int f30, int f25, int f19, int f14, int simm13 ) {
 699   simm13 &= (1<<13)-1; // Mask to 13 bits
 700   int op = (f30 << 30) |
 701            (f25 << 25) |
 702            (f19 << 19) |
 703            (f14 << 14) |
 704            (1   << 13) | // bit to indicate immediate-mode
 705            (simm13<<0);
 706   *((int*)(cbuf.code_end())) = op;
 707   cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
 708 }
 709 
 710 static inline void emit3_simm10(CodeBuffer &cbuf, int f30, int f25, int f19, int f14, int simm10 ) {
 711   simm10 &= (1<<10)-1; // Mask to 10 bits
 712   emit3_simm13(cbuf,f30,f25,f19,f14,simm10);
 713 }
 714 
 715 #ifdef ASSERT
 716 // Helper function for VerifyOops in emit_form3_mem_reg
 717 void verify_oops_warning(const MachNode *n, int ideal_op, int mem_op) {
 718   warning("VerifyOops encountered unexpected instruction:");
 719   n->dump(2);
 720   warning("Instruction has ideal_Opcode==Op_%s and op_ld==Op_%s \n", NodeClassNames[ideal_op], NodeClassNames[mem_op]);
 721 }
 722 #endif
 723 
 724 
 725 void emit_form3_mem_reg(CodeBuffer &cbuf, const MachNode* n, int primary, int tertiary,
 726                         int src1_enc, int disp32, int src2_enc, int dst_enc) {
 727 
 728 #ifdef ASSERT
 729   // The following code implements the +VerifyOops feature.
 730   // It verifies oop values which are loaded into or stored out of
 731   // the current method activation.  +VerifyOops complements techniques
 732   // like ScavengeALot, because it eagerly inspects oops in transit,
 733   // as they enter or leave the stack, as opposed to ScavengeALot,
 734   // which inspects oops "at rest", in the stack or heap, at safepoints.
 735   // For this reason, +VerifyOops can sometimes detect bugs very close
 736   // to their point of creation.  It can also serve as a cross-check
 737   // on the validity of oop maps, when used toegether with ScavengeALot.
 738 
 739   // It would be good to verify oops at other points, especially
 740   // when an oop is used as a base pointer for a load or store.
 741   // This is presently difficult, because it is hard to know when
 742   // a base address is biased or not.  (If we had such information,
 743   // it would be easy and useful to make a two-argument version of
 744   // verify_oop which unbiases the base, and performs verification.)
 745 
 746   assert((uint)tertiary == 0xFFFFFFFF || tertiary == REGP_OP, "valid tertiary");
 747   bool is_verified_oop_base  = false;
 748   bool is_verified_oop_load  = false;
 749   bool is_verified_oop_store = false;
 750   int tmp_enc = -1;
 751   if (VerifyOops && src1_enc != R_SP_enc) {
 752     // classify the op, mainly for an assert check
 753     int st_op = 0, ld_op = 0;
 754     switch (primary) {
 755     case Assembler::stb_op3:  st_op = Op_StoreB; break;
 756     case Assembler::sth_op3:  st_op = Op_StoreC; break;
 757     case Assembler::stx_op3:  // may become StoreP or stay StoreI or StoreD0
 758     case Assembler::stw_op3:  st_op = Op_StoreI; break;
 759     case Assembler::std_op3:  st_op = Op_StoreL; break;
 760     case Assembler::stf_op3:  st_op = Op_StoreF; break;
 761     case Assembler::stdf_op3: st_op = Op_StoreD; break;
 762 
 763     case Assembler::ldsb_op3: ld_op = Op_LoadB; break;
 764     case Assembler::lduh_op3: ld_op = Op_LoadC; break;
 765     case Assembler::ldsh_op3: ld_op = Op_LoadS; break;
 766     case Assembler::ldx_op3:  // may become LoadP or stay LoadI
 767     case Assembler::ldsw_op3: // may become LoadP or stay LoadI
 768     case Assembler::lduw_op3: ld_op = Op_LoadI; break;
 769     case Assembler::ldd_op3:  ld_op = Op_LoadL; break;
 770     case Assembler::ldf_op3:  ld_op = Op_LoadF; break;
 771     case Assembler::lddf_op3: ld_op = Op_LoadD; break;
 772     case Assembler::ldub_op3: ld_op = Op_LoadB; break;
 773     case Assembler::prefetch_op3: ld_op = Op_LoadI; break;
 774 
 775     default: ShouldNotReachHere();
 776     }
 777     if (tertiary == REGP_OP) {
 778       if      (st_op == Op_StoreI)  st_op = Op_StoreP;
 779       else if (ld_op == Op_LoadI)   ld_op = Op_LoadP;
 780       else                          ShouldNotReachHere();
 781       if (st_op) {
 782         // a store
 783         // inputs are (0:control, 1:memory, 2:address, 3:value)
 784         Node* n2 = n->in(3);
 785         if (n2 != NULL) {
 786           const Type* t = n2->bottom_type();
 787           is_verified_oop_store = t->isa_oop_ptr() ? (t->is_ptr()->_offset==0) : false;
 788         }
 789       } else {
 790         // a load
 791         const Type* t = n->bottom_type();
 792         is_verified_oop_load = t->isa_oop_ptr() ? (t->is_ptr()->_offset==0) : false;
 793       }
 794     }
 795 
 796     if (ld_op) {
 797       // a Load
 798       // inputs are (0:control, 1:memory, 2:address)
 799       if (!(n->ideal_Opcode()==ld_op)       && // Following are special cases
 800           !(n->ideal_Opcode()==Op_LoadLLocked && ld_op==Op_LoadI) &&
 801           !(n->ideal_Opcode()==Op_LoadPLocked && ld_op==Op_LoadP) &&
 802           !(n->ideal_Opcode()==Op_LoadI     && ld_op==Op_LoadF) &&
 803           !(n->ideal_Opcode()==Op_LoadF     && ld_op==Op_LoadI) &&
 804           !(n->ideal_Opcode()==Op_LoadRange && ld_op==Op_LoadI) &&
 805           !(n->ideal_Opcode()==Op_LoadKlass && ld_op==Op_LoadP) &&
 806           !(n->ideal_Opcode()==Op_LoadL     && ld_op==Op_LoadI) &&
 807           !(n->ideal_Opcode()==Op_LoadL_unaligned && ld_op==Op_LoadI) &&
 808           !(n->ideal_Opcode()==Op_LoadD_unaligned && ld_op==Op_LoadF) &&
 809           !(n->ideal_Opcode()==Op_ConvI2F   && ld_op==Op_LoadF) &&
 810           !(n->ideal_Opcode()==Op_ConvI2D   && ld_op==Op_LoadF) &&
 811           !(n->ideal_Opcode()==Op_PrefetchRead  && ld_op==Op_LoadI) &&
 812           !(n->ideal_Opcode()==Op_PrefetchWrite && ld_op==Op_LoadI) &&
 813           !(n->rule() == loadUB_rule)) {
 814         verify_oops_warning(n, n->ideal_Opcode(), ld_op);
 815       }
 816     } else if (st_op) {
 817       // a Store
 818       // inputs are (0:control, 1:memory, 2:address, 3:value)
 819       if (!(n->ideal_Opcode()==st_op)    && // Following are special cases
 820           !(n->ideal_Opcode()==Op_StoreCM && st_op==Op_StoreB) &&
 821           !(n->ideal_Opcode()==Op_StoreI && st_op==Op_StoreF) &&
 822           !(n->ideal_Opcode()==Op_StoreF && st_op==Op_StoreI) &&
 823           !(n->ideal_Opcode()==Op_StoreL && st_op==Op_StoreI) &&
 824           !(n->ideal_Opcode()==Op_StoreD && st_op==Op_StoreI && n->rule() == storeD0_rule)) {
 825         verify_oops_warning(n, n->ideal_Opcode(), st_op);
 826       }
 827     }
 828 
 829     if (src2_enc == R_G0_enc && n->rule() != loadUB_rule && n->ideal_Opcode() != Op_StoreCM ) {
 830       Node* addr = n->in(2);
 831       if (!(addr->is_Mach() && addr->as_Mach()->ideal_Opcode() == Op_AddP)) {
 832         const TypeOopPtr* atype = addr->bottom_type()->isa_instptr();  // %%% oopptr?
 833         if (atype != NULL) {
 834           intptr_t offset = get_offset_from_base(n, atype, disp32);
 835           intptr_t offset_2 = get_offset_from_base_2(n, atype, disp32);
 836           if (offset != offset_2) {
 837             get_offset_from_base(n, atype, disp32);
 838             get_offset_from_base_2(n, atype, disp32);
 839           }
 840           assert(offset == offset_2, "different offsets");
 841           if (offset == disp32) {
 842             // we now know that src1 is a true oop pointer
 843             is_verified_oop_base = true;
 844             if (ld_op && src1_enc == dst_enc && ld_op != Op_LoadF && ld_op != Op_LoadD) {
 845               if( primary == Assembler::ldd_op3 ) {
 846                 is_verified_oop_base = false; // Cannot 'ldd' into O7
 847               } else {
 848                 tmp_enc = dst_enc;
 849                 dst_enc = R_O7_enc; // Load into O7; preserve source oop
 850                 assert(src1_enc != dst_enc, "");
 851               }
 852             }
 853           }
 854           if (st_op && (( offset == oopDesc::klass_offset_in_bytes())
 855                        || offset == oopDesc::mark_offset_in_bytes())) {
 856                       // loading the mark should not be allowed either, but
 857                       // we don't check this since it conflicts with InlineObjectHash
 858                       // usage of LoadINode to get the mark. We could keep the
 859                       // check if we create a new LoadMarkNode
 860             // but do not verify the object before its header is initialized
 861             ShouldNotReachHere();
 862           }
 863         }
 864       }
 865     }
 866   }
 867 #endif
 868 
 869   uint instr;
 870   instr = (Assembler::ldst_op << 30)
 871         | (dst_enc        << 25)
 872         | (primary        << 19)
 873         | (src1_enc       << 14);
 874 
 875   uint index = src2_enc;
 876   int disp = disp32;
 877 
 878   if (src1_enc == R_SP_enc || src1_enc == R_FP_enc)
 879     disp += STACK_BIAS;
 880 
 881   // We should have a compiler bailout here rather than a guarantee.
 882   // Better yet would be some mechanism to handle variable-size matches correctly.
 883   guarantee(Assembler::is_simm13(disp), "Do not match large constant offsets" );
 884 
 885   if( disp == 0 ) {
 886     // use reg-reg form
 887     // bit 13 is already zero
 888     instr |= index;
 889   } else {
 890     // use reg-imm form
 891     instr |= 0x00002000;          // set bit 13 to one
 892     instr |= disp & 0x1FFF;
 893   }
 894 
 895   uint *code = (uint*)cbuf.code_end();
 896   *code = instr;
 897   cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
 898 
 899 #ifdef ASSERT
 900   {
 901     MacroAssembler _masm(&cbuf);
 902     if (is_verified_oop_base) {
 903       __ verify_oop(reg_to_register_object(src1_enc));
 904     }
 905     if (is_verified_oop_store) {
 906       __ verify_oop(reg_to_register_object(dst_enc));
 907     }
 908     if (tmp_enc != -1) {
 909       __ mov(O7, reg_to_register_object(tmp_enc));
 910     }
 911     if (is_verified_oop_load) {
 912       __ verify_oop(reg_to_register_object(dst_enc));
 913     }
 914   }
 915 #endif
 916 }
 917 
 918 void emit_form3_mem_reg_asi(CodeBuffer &cbuf, const MachNode* n, int primary, int tertiary,
 919                         int src1_enc, int disp32, int src2_enc, int dst_enc, int asi) {
 920 
 921   uint instr;
 922   instr = (Assembler::ldst_op << 30)
 923         | (dst_enc        << 25)
 924         | (primary        << 19)
 925         | (src1_enc       << 14);
 926 
 927   int disp = disp32;
 928   int index    = src2_enc;
 929 
 930   if (src1_enc == R_SP_enc || src1_enc == R_FP_enc)
 931     disp += STACK_BIAS;
 932 
 933   // We should have a compiler bailout here rather than a guarantee.
 934   // Better yet would be some mechanism to handle variable-size matches correctly.
 935   guarantee(Assembler::is_simm13(disp), "Do not match large constant offsets" );
 936 
 937   if( disp != 0 ) {
 938     // use reg-reg form
 939     // set src2=R_O7 contains offset
 940     index = R_O7_enc;
 941     emit3_simm13( cbuf, Assembler::arith_op, index, Assembler::or_op3, 0, disp);
 942   }
 943   instr |= (asi << 5);
 944   instr |= index;
 945   uint *code = (uint*)cbuf.code_end();
 946   *code = instr;
 947   cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
 948 }
 949 
 950 void emit_call_reloc(CodeBuffer &cbuf, intptr_t entry_point, relocInfo::relocType rtype, bool preserve_g2 = false, bool force_far_call = false) {
 951   // The method which records debug information at every safepoint
 952   // expects the call to be the first instruction in the snippet as
 953   // it creates a PcDesc structure which tracks the offset of a call
 954   // from the start of the codeBlob. This offset is computed as
 955   // code_end() - code_begin() of the code which has been emitted
 956   // so far.
 957   // In this particular case we have skirted around the problem by
 958   // putting the "mov" instruction in the delay slot but the problem
 959   // may bite us again at some other point and a cleaner/generic
 960   // solution using relocations would be needed.
 961   MacroAssembler _masm(&cbuf);
 962   __ set_inst_mark();
 963 
 964   // We flush the current window just so that there is a valid stack copy
 965   // the fact that the current window becomes active again instantly is
 966   // not a problem there is nothing live in it.
 967 
 968 #ifdef ASSERT
 969   int startpos = __ offset();
 970 #endif /* ASSERT */
 971 
 972 #ifdef _LP64
 973   // Calls to the runtime or native may not be reachable from compiled code,
 974   // so we generate the far call sequence on 64 bit sparc.
 975   // This code sequence is relocatable to any address, even on LP64.
 976   if ( force_far_call ) {
 977     __ relocate(rtype);
 978     Address dest(O7, (address)entry_point);
 979     __ jumpl_to(dest, O7);
 980   }
 981   else
 982 #endif
 983   {
 984      __ call((address)entry_point, rtype);
 985   }
 986 
 987   if (preserve_g2)   __ delayed()->mov(G2, L7);
 988   else __ delayed()->nop();
 989 
 990   if (preserve_g2)   __ mov(L7, G2);
 991 
 992 #ifdef ASSERT
 993   if (preserve_g2 && (VerifyCompiledCode || VerifyOops)) {
 994 #ifdef _LP64
 995     // Trash argument dump slots.
 996     __ set(0xb0b8ac0db0b8ac0d, G1);
 997     __ mov(G1, G5);
 998     __ stx(G1, SP, STACK_BIAS + 0x80);
 999     __ stx(G1, SP, STACK_BIAS + 0x88);
1000     __ stx(G1, SP, STACK_BIAS + 0x90);
1001     __ stx(G1, SP, STACK_BIAS + 0x98);
1002     __ stx(G1, SP, STACK_BIAS + 0xA0);
1003     __ stx(G1, SP, STACK_BIAS + 0xA8);
1004 #else // _LP64
1005     // this is also a native call, so smash the first 7 stack locations,
1006     // and the various registers
1007 
1008     // Note:  [SP+0x40] is sp[callee_aggregate_return_pointer_sp_offset],
1009     // while [SP+0x44..0x58] are the argument dump slots.
1010     __ set((intptr_t)0xbaadf00d, G1);
1011     __ mov(G1, G5);
1012     __ sllx(G1, 32, G1);
1013     __ or3(G1, G5, G1);
1014     __ mov(G1, G5);
1015     __ stx(G1, SP, 0x40);
1016     __ stx(G1, SP, 0x48);
1017     __ stx(G1, SP, 0x50);
1018     __ stw(G1, SP, 0x58); // Do not trash [SP+0x5C] which is a usable spill slot
1019 #endif // _LP64
1020   }
1021 #endif /*ASSERT*/
1022 }
1023 
1024 //=============================================================================
1025 // REQUIRED FUNCTIONALITY for encoding
1026 void emit_lo(CodeBuffer &cbuf, int val) {  }
1027 void emit_hi(CodeBuffer &cbuf, int val) {  }
1028 
1029 void emit_ptr(CodeBuffer &cbuf, intptr_t val, Register reg, bool ForceRelocatable) {
1030   MacroAssembler _masm(&cbuf);
1031   if (ForceRelocatable) {
1032     Address addr(reg, (address)val);
1033     __ sethi(addr, ForceRelocatable);
1034     __ add(addr, reg);
1035   } else {
1036     __ set(val, reg);
1037   }
1038 }
1039 
1040 
1041 //=============================================================================
1042 
1043 #ifndef PRODUCT
1044 void MachPrologNode::format( PhaseRegAlloc *ra_, outputStream *st ) const {
1045   Compile* C = ra_->C;
1046 
1047   for (int i = 0; i < OptoPrologueNops; i++) {
1048     st->print_cr("NOP"); st->print("\t");
1049   }
1050 
1051   if( VerifyThread ) {
1052     st->print_cr("Verify_Thread"); st->print("\t");
1053   }
1054 
1055   size_t framesize = C->frame_slots() << LogBytesPerInt;
1056 
1057   // Calls to C2R adapters often do not accept exceptional returns.
1058   // We require that their callers must bang for them.  But be careful, because
1059   // some VM calls (such as call site linkage) can use several kilobytes of
1060   // stack.  But the stack safety zone should account for that.
1061   // See bugs 4446381, 4468289, 4497237.
1062   if (C->need_stack_bang(framesize)) {
1063     st->print_cr("! stack bang"); st->print("\t");
1064   }
1065 
1066   if (Assembler::is_simm13(-framesize)) {
1067     st->print   ("SAVE   R_SP,-%d,R_SP",framesize);
1068   } else {
1069     st->print_cr("SETHI  R_SP,hi%%(-%d),R_G3",framesize); st->print("\t");
1070     st->print_cr("ADD    R_G3,lo%%(-%d),R_G3",framesize); st->print("\t");
1071     st->print   ("SAVE   R_SP,R_G3,R_SP");
1072   }
1073 
1074 }
1075 #endif
1076 
1077 void MachPrologNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {
1078   Compile* C = ra_->C;
1079   MacroAssembler _masm(&cbuf);
1080 
1081   for (int i = 0; i < OptoPrologueNops; i++) {
1082     __ nop();
1083   }
1084 
1085   __ verify_thread();
1086 
1087   size_t framesize = C->frame_slots() << LogBytesPerInt;
1088   assert(framesize >= 16*wordSize, "must have room for reg. save area");
1089   assert(framesize%(2*wordSize) == 0, "must preserve 2*wordSize alignment");
1090 
1091   // Calls to C2R adapters often do not accept exceptional returns.
1092   // We require that their callers must bang for them.  But be careful, because
1093   // some VM calls (such as call site linkage) can use several kilobytes of
1094   // stack.  But the stack safety zone should account for that.
1095   // See bugs 4446381, 4468289, 4497237.
1096   if (C->need_stack_bang(framesize)) {
1097     __ generate_stack_overflow_check(framesize);
1098   }
1099 
1100   if (Assembler::is_simm13(-framesize)) {
1101     __ save(SP, -framesize, SP);
1102   } else {
1103     __ sethi(-framesize & ~0x3ff, G3);
1104     __ add(G3, -framesize & 0x3ff, G3);
1105     __ save(SP, G3, SP);
1106   }
1107   C->set_frame_complete( __ offset() );
1108 }
1109 
1110 uint MachPrologNode::size(PhaseRegAlloc *ra_) const {
1111   return MachNode::size(ra_);
1112 }
1113 
1114 int MachPrologNode::reloc() const {
1115   return 10; // a large enough number
1116 }
1117 
1118 //=============================================================================
1119 #ifndef PRODUCT
1120 void MachEpilogNode::format( PhaseRegAlloc *ra_, outputStream *st ) const {
1121   Compile* C = ra_->C;
1122 
1123   if( do_polling() && ra_->C->is_method_compilation() ) {
1124     st->print("SETHI  #PollAddr,L0\t! Load Polling address\n\t");
1125 #ifdef _LP64
1126     st->print("LDX    [L0],G0\t!Poll for Safepointing\n\t");
1127 #else
1128     st->print("LDUW   [L0],G0\t!Poll for Safepointing\n\t");
1129 #endif
1130   }
1131 
1132   if( do_polling() )
1133     st->print("RET\n\t");
1134 
1135   st->print("RESTORE");
1136 }
1137 #endif
1138 
1139 void MachEpilogNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {
1140   MacroAssembler _masm(&cbuf);
1141   Compile* C = ra_->C;
1142 
1143   __ verify_thread();
1144 
1145   // If this does safepoint polling, then do it here
1146   if( do_polling() && ra_->C->is_method_compilation() ) {
1147     Address polling_page(L0, (address)os::get_polling_page());
1148     __ sethi(polling_page, false);
1149     __ relocate(relocInfo::poll_return_type);
1150     __ ld_ptr( L0, 0, G0 );
1151   }
1152 
1153   // If this is a return, then stuff the restore in the delay slot
1154   if( do_polling() ) {
1155     __ ret();
1156     __ delayed()->restore();
1157   } else {
1158     __ restore();
1159   }
1160 }
1161 
1162 uint MachEpilogNode::size(PhaseRegAlloc *ra_) const {
1163   return MachNode::size(ra_);
1164 }
1165 
1166 int MachEpilogNode::reloc() const {
1167   return 16; // a large enough number
1168 }
1169 
1170 const Pipeline * MachEpilogNode::pipeline() const {
1171   return MachNode::pipeline_class();
1172 }
1173 
1174 int MachEpilogNode::safepoint_offset() const {
1175   assert( do_polling(), "no return for this epilog node");
1176   return MacroAssembler::size_of_sethi(os::get_polling_page());
1177 }
1178 
1179 //=============================================================================
1180 
1181 // Figure out which register class each belongs in: rc_int, rc_float, rc_stack
1182 enum RC { rc_bad, rc_int, rc_float, rc_stack };
1183 static enum RC rc_class( OptoReg::Name reg ) {
1184   if( !OptoReg::is_valid(reg)  ) return rc_bad;
1185   if (OptoReg::is_stack(reg)) return rc_stack;
1186   VMReg r = OptoReg::as_VMReg(reg);
1187   if (r->is_Register()) return rc_int;
1188   assert(r->is_FloatRegister(), "must be");
1189   return rc_float;
1190 }
1191 
1192 static int impl_helper( const MachNode *mach, CodeBuffer *cbuf, PhaseRegAlloc *ra_, bool do_size, bool is_load, int offset, int reg, int opcode, const char *op_str, int size, outputStream* st ) {
1193   if( cbuf ) {
1194     // Better yet would be some mechanism to handle variable-size matches correctly
1195     if (!Assembler::is_simm13(offset + STACK_BIAS)) {
1196       ra_->C->record_method_not_compilable("unable to handle large constant offsets");
1197     } else {
1198       emit_form3_mem_reg(*cbuf, mach, opcode, -1, R_SP_enc, offset, 0, Matcher::_regEncode[reg]);
1199     }
1200   }
1201 #ifndef PRODUCT
1202   else if( !do_size ) {
1203     if( size != 0 ) st->print("\n\t");
1204     if( is_load ) st->print("%s   [R_SP + #%d],R_%s\t! spill",op_str,offset,OptoReg::regname(reg));
1205     else          st->print("%s   R_%s,[R_SP + #%d]\t! spill",op_str,OptoReg::regname(reg),offset);
1206   }
1207 #endif
1208   return size+4;
1209 }
1210 
1211 static int impl_mov_helper( CodeBuffer *cbuf, bool do_size, int src, int dst, int op1, int op2, const char *op_str, int size, outputStream* st ) {
1212   if( cbuf ) emit3( *cbuf, Assembler::arith_op, Matcher::_regEncode[dst], op1, 0, op2, Matcher::_regEncode[src] );
1213 #ifndef PRODUCT
1214   else if( !do_size ) {
1215     if( size != 0 ) st->print("\n\t");
1216     st->print("%s  R_%s,R_%s\t! spill",op_str,OptoReg::regname(src),OptoReg::regname(dst));
1217   }
1218 #endif
1219   return size+4;
1220 }
1221 
1222 uint MachSpillCopyNode::implementation( CodeBuffer *cbuf,
1223                                         PhaseRegAlloc *ra_,
1224                                         bool do_size,
1225                                         outputStream* st ) const {
1226   // Get registers to move
1227   OptoReg::Name src_second = ra_->get_reg_second(in(1));
1228   OptoReg::Name src_first = ra_->get_reg_first(in(1));
1229   OptoReg::Name dst_second = ra_->get_reg_second(this );
1230   OptoReg::Name dst_first = ra_->get_reg_first(this );
1231 
1232   enum RC src_second_rc = rc_class(src_second);
1233   enum RC src_first_rc = rc_class(src_first);
1234   enum RC dst_second_rc = rc_class(dst_second);
1235   enum RC dst_first_rc = rc_class(dst_first);
1236 
1237   assert( OptoReg::is_valid(src_first) && OptoReg::is_valid(dst_first), "must move at least 1 register" );
1238 
1239   // Generate spill code!
1240   int size = 0;
1241 
1242   if( src_first == dst_first && src_second == dst_second )
1243     return size;            // Self copy, no move
1244 
1245   // --------------------------------------
1246   // Check for mem-mem move.  Load into unused float registers and fall into
1247   // the float-store case.
1248   if( src_first_rc == rc_stack && dst_first_rc == rc_stack ) {
1249     int offset = ra_->reg2offset(src_first);
1250     // Further check for aligned-adjacent pair, so we can use a double load
1251     if( (src_first&1)==0 && src_first+1 == src_second ) {
1252       src_second    = OptoReg::Name(R_F31_num);
1253       src_second_rc = rc_float;
1254       size = impl_helper(this,cbuf,ra_,do_size,true,offset,R_F30_num,Assembler::lddf_op3,"LDDF",size, st);
1255     } else {
1256       size = impl_helper(this,cbuf,ra_,do_size,true,offset,R_F30_num,Assembler::ldf_op3 ,"LDF ",size, st);
1257     }
1258     src_first    = OptoReg::Name(R_F30_num);
1259     src_first_rc = rc_float;
1260   }
1261 
1262   if( src_second_rc == rc_stack && dst_second_rc == rc_stack ) {
1263     int offset = ra_->reg2offset(src_second);
1264     size = impl_helper(this,cbuf,ra_,do_size,true,offset,R_F31_num,Assembler::ldf_op3,"LDF ",size, st);
1265     src_second    = OptoReg::Name(R_F31_num);
1266     src_second_rc = rc_float;
1267   }
1268 
1269   // --------------------------------------
1270   // Check for float->int copy; requires a trip through memory
1271   if( src_first_rc == rc_float && dst_first_rc == rc_int ) {
1272     int offset = frame::register_save_words*wordSize;
1273     if( cbuf ) {
1274       emit3_simm13( *cbuf, Assembler::arith_op, R_SP_enc, Assembler::sub_op3, R_SP_enc, 16 );
1275       impl_helper(this,cbuf,ra_,do_size,false,offset,src_first,Assembler::stf_op3 ,"STF ",size, st);
1276       impl_helper(this,cbuf,ra_,do_size,true ,offset,dst_first,Assembler::lduw_op3,"LDUW",size, st);
1277       emit3_simm13( *cbuf, Assembler::arith_op, R_SP_enc, Assembler::add_op3, R_SP_enc, 16 );
1278     }
1279 #ifndef PRODUCT
1280     else if( !do_size ) {
1281       if( size != 0 ) st->print("\n\t");
1282       st->print(  "SUB    R_SP,16,R_SP\n");
1283       impl_helper(this,cbuf,ra_,do_size,false,offset,src_first,Assembler::stf_op3 ,"STF ",size, st);
1284       impl_helper(this,cbuf,ra_,do_size,true ,offset,dst_first,Assembler::lduw_op3,"LDUW",size, st);
1285       st->print("\tADD    R_SP,16,R_SP\n");
1286     }
1287 #endif
1288     size += 16;
1289   }
1290 
1291   // --------------------------------------
1292   // In the 32-bit 1-reg-longs build ONLY, I see mis-aligned long destinations.
1293   // In such cases, I have to do the big-endian swap.  For aligned targets, the
1294   // hardware does the flop for me.  Doubles are always aligned, so no problem
1295   // there.  Misaligned sources only come from native-long-returns (handled
1296   // special below).
1297 #ifndef _LP64
1298   if( src_first_rc == rc_int &&     // source is already big-endian
1299       src_second_rc != rc_bad &&    // 64-bit move
1300       ((dst_first&1)!=0 || dst_second != dst_first+1) ) { // misaligned dst
1301     assert( (src_first&1)==0 && src_second == src_first+1, "source must be aligned" );
1302     // Do the big-endian flop.
1303     OptoReg::Name tmp    = dst_first   ; dst_first    = dst_second   ; dst_second    = tmp   ;
1304     enum RC       tmp_rc = dst_first_rc; dst_first_rc = dst_second_rc; dst_second_rc = tmp_rc;
1305   }
1306 #endif
1307 
1308   // --------------------------------------
1309   // Check for integer reg-reg copy
1310   if( src_first_rc == rc_int && dst_first_rc == rc_int ) {
1311 #ifndef _LP64
1312     if( src_first == R_O0_num && src_second == R_O1_num ) {  // Check for the evil O0/O1 native long-return case
1313       // Note: The _first and _second suffixes refer to the addresses of the the 2 halves of the 64-bit value
1314       //       as stored in memory.  On a big-endian machine like SPARC, this means that the _second
1315       //       operand contains the least significant word of the 64-bit value and vice versa.
1316       OptoReg::Name tmp = OptoReg::Name(R_O7_num);
1317       assert( (dst_first&1)==0 && dst_second == dst_first+1, "return a native O0/O1 long to an aligned-adjacent 64-bit reg" );
1318       // Shift O0 left in-place, zero-extend O1, then OR them into the dst
1319       if( cbuf ) {
1320         emit3_simm13( *cbuf, Assembler::arith_op, Matcher::_regEncode[tmp], Assembler::sllx_op3, Matcher::_regEncode[src_first], 0x1020 );
1321         emit3_simm13( *cbuf, Assembler::arith_op, Matcher::_regEncode[src_second], Assembler::srl_op3, Matcher::_regEncode[src_second], 0x0000 );
1322         emit3       ( *cbuf, Assembler::arith_op, Matcher::_regEncode[dst_first], Assembler:: or_op3, Matcher::_regEncode[tmp], 0, Matcher::_regEncode[src_second] );
1323 #ifndef PRODUCT
1324       } else if( !do_size ) {
1325         if( size != 0 ) st->print("\n\t");
1326         st->print("SLLX   R_%s,32,R_%s\t! Move O0-first to O7-high\n\t", OptoReg::regname(src_first), OptoReg::regname(tmp));
1327         st->print("SRL    R_%s, 0,R_%s\t! Zero-extend O1\n\t", OptoReg::regname(src_second), OptoReg::regname(src_second));
1328         st->print("OR     R_%s,R_%s,R_%s\t! spill",OptoReg::regname(tmp), OptoReg::regname(src_second), OptoReg::regname(dst_first));
1329 #endif
1330       }
1331       return size+12;
1332     }
1333     else if( dst_first == R_I0_num && dst_second == R_I1_num ) {
1334       // returning a long value in I0/I1
1335       // a SpillCopy must be able to target a return instruction's reg_class
1336       // Note: The _first and _second suffixes refer to the addresses of the the 2 halves of the 64-bit value
1337       //       as stored in memory.  On a big-endian machine like SPARC, this means that the _second
1338       //       operand contains the least significant word of the 64-bit value and vice versa.
1339       OptoReg::Name tdest = dst_first;
1340 
1341       if (src_first == dst_first) {
1342         tdest = OptoReg::Name(R_O7_num);
1343         size += 4;
1344       }
1345 
1346       if( cbuf ) {
1347         assert( (src_first&1) == 0 && (src_first+1) == src_second, "return value was in an aligned-adjacent 64-bit reg");
1348         // Shift value in upper 32-bits of src to lower 32-bits of I0; move lower 32-bits to I1
1349         // ShrL_reg_imm6
1350         emit3_simm13( *cbuf, Assembler::arith_op, Matcher::_regEncode[tdest], Assembler::srlx_op3, Matcher::_regEncode[src_second], 32 | 0x1000 );
1351         // ShrR_reg_imm6  src, 0, dst
1352         emit3_simm13( *cbuf, Assembler::arith_op, Matcher::_regEncode[dst_second], Assembler::srl_op3, Matcher::_regEncode[src_first], 0x0000 );
1353         if (tdest != dst_first) {
1354           emit3     ( *cbuf, Assembler::arith_op, Matcher::_regEncode[dst_first], Assembler::or_op3, 0/*G0*/, 0/*op2*/, Matcher::_regEncode[tdest] );
1355         }
1356       }
1357 #ifndef PRODUCT
1358       else if( !do_size ) {
1359         if( size != 0 ) st->print("\n\t");  // %%%%% !!!!!
1360         st->print("SRLX   R_%s,32,R_%s\t! Extract MSW\n\t",OptoReg::regname(src_second),OptoReg::regname(tdest));
1361         st->print("SRL    R_%s, 0,R_%s\t! Extract LSW\n\t",OptoReg::regname(src_first),OptoReg::regname(dst_second));
1362         if (tdest != dst_first) {
1363           st->print("MOV    R_%s,R_%s\t! spill\n\t", OptoReg::regname(tdest), OptoReg::regname(dst_first));
1364         }
1365       }
1366 #endif // PRODUCT
1367       return size+8;
1368     }
1369 #endif // !_LP64
1370     // Else normal reg-reg copy
1371     assert( src_second != dst_first, "smashed second before evacuating it" );
1372     size = impl_mov_helper(cbuf,do_size,src_first,dst_first,Assembler::or_op3,0,"MOV  ",size, st);
1373     assert( (src_first&1) == 0 && (dst_first&1) == 0, "never move second-halves of int registers" );
1374     // This moves an aligned adjacent pair.
1375     // See if we are done.
1376     if( src_first+1 == src_second && dst_first+1 == dst_second )
1377       return size;
1378   }
1379 
1380   // Check for integer store
1381   if( src_first_rc == rc_int && dst_first_rc == rc_stack ) {
1382     int offset = ra_->reg2offset(dst_first);
1383     // Further check for aligned-adjacent pair, so we can use a double store
1384     if( (src_first&1)==0 && src_first+1 == src_second && (dst_first&1)==0 && dst_first+1 == dst_second )
1385       return impl_helper(this,cbuf,ra_,do_size,false,offset,src_first,Assembler::stx_op3,"STX ",size, st);
1386     size  =  impl_helper(this,cbuf,ra_,do_size,false,offset,src_first,Assembler::stw_op3,"STW ",size, st);
1387   }
1388 
1389   // Check for integer load
1390   if( dst_first_rc == rc_int && src_first_rc == rc_stack ) {
1391     int offset = ra_->reg2offset(src_first);
1392     // Further check for aligned-adjacent pair, so we can use a double load
1393     if( (src_first&1)==0 && src_first+1 == src_second && (dst_first&1)==0 && dst_first+1 == dst_second )
1394       return impl_helper(this,cbuf,ra_,do_size,true,offset,dst_first,Assembler::ldx_op3 ,"LDX ",size, st);
1395     size  =  impl_helper(this,cbuf,ra_,do_size,true,offset,dst_first,Assembler::lduw_op3,"LDUW",size, st);
1396   }
1397 
1398   // Check for float reg-reg copy
1399   if( src_first_rc == rc_float && dst_first_rc == rc_float ) {
1400     // Further check for aligned-adjacent pair, so we can use a double move
1401     if( (src_first&1)==0 && src_first+1 == src_second && (dst_first&1)==0 && dst_first+1 == dst_second )
1402       return impl_mov_helper(cbuf,do_size,src_first,dst_first,Assembler::fpop1_op3,Assembler::fmovd_opf,"FMOVD",size, st);
1403     size  =  impl_mov_helper(cbuf,do_size,src_first,dst_first,Assembler::fpop1_op3,Assembler::fmovs_opf,"FMOVS",size, st);
1404   }
1405 
1406   // Check for float store
1407   if( src_first_rc == rc_float && dst_first_rc == rc_stack ) {
1408     int offset = ra_->reg2offset(dst_first);
1409     // Further check for aligned-adjacent pair, so we can use a double store
1410     if( (src_first&1)==0 && src_first+1 == src_second && (dst_first&1)==0 && dst_first+1 == dst_second )
1411       return impl_helper(this,cbuf,ra_,do_size,false,offset,src_first,Assembler::stdf_op3,"STDF",size, st);
1412     size  =  impl_helper(this,cbuf,ra_,do_size,false,offset,src_first,Assembler::stf_op3 ,"STF ",size, st);
1413   }
1414 
1415   // Check for float load
1416   if( dst_first_rc == rc_float && src_first_rc == rc_stack ) {
1417     int offset = ra_->reg2offset(src_first);
1418     // Further check for aligned-adjacent pair, so we can use a double load
1419     if( (src_first&1)==0 && src_first+1 == src_second && (dst_first&1)==0 && dst_first+1 == dst_second )
1420       return impl_helper(this,cbuf,ra_,do_size,true,offset,dst_first,Assembler::lddf_op3,"LDDF",size, st);
1421     size  =  impl_helper(this,cbuf,ra_,do_size,true,offset,dst_first,Assembler::ldf_op3 ,"LDF ",size, st);
1422   }
1423 
1424   // --------------------------------------------------------------------
1425   // Check for hi bits still needing moving.  Only happens for misaligned
1426   // arguments to native calls.
1427   if( src_second == dst_second )
1428     return size;               // Self copy; no move
1429   assert( src_second_rc != rc_bad && dst_second_rc != rc_bad, "src_second & dst_second cannot be Bad" );
1430 
1431 #ifndef _LP64
1432   // In the LP64 build, all registers can be moved as aligned/adjacent
1433   // pairs, so there's never any need to move the high bits seperately.
1434   // The 32-bit builds have to deal with the 32-bit ABI which can force
1435   // all sorts of silly alignment problems.
1436 
1437   // Check for integer reg-reg copy.  Hi bits are stuck up in the top
1438   // 32-bits of a 64-bit register, but are needed in low bits of another
1439   // register (else it's a hi-bits-to-hi-bits copy which should have
1440   // happened already as part of a 64-bit move)
1441   if( src_second_rc == rc_int && dst_second_rc == rc_int ) {
1442     assert( (src_second&1)==1, "its the evil O0/O1 native return case" );
1443     assert( (dst_second&1)==0, "should have moved with 1 64-bit move" );
1444     // Shift src_second down to dst_second's low bits.
1445     if( cbuf ) {
1446       emit3_simm13( *cbuf, Assembler::arith_op, Matcher::_regEncode[dst_second], Assembler::srlx_op3, Matcher::_regEncode[src_second-1], 0x1020 );
1447 #ifndef PRODUCT
1448     } else if( !do_size ) {
1449       if( size != 0 ) st->print("\n\t");
1450       st->print("SRLX   R_%s,32,R_%s\t! spill: Move high bits down low",OptoReg::regname(src_second-1),OptoReg::regname(dst_second));
1451 #endif
1452     }
1453     return size+4;
1454   }
1455 
1456   // Check for high word integer store.  Must down-shift the hi bits
1457   // into a temp register, then fall into the case of storing int bits.
1458   if( src_second_rc == rc_int && dst_second_rc == rc_stack && (src_second&1)==1 ) {
1459     // Shift src_second down to dst_second's low bits.
1460     if( cbuf ) {
1461       emit3_simm13( *cbuf, Assembler::arith_op, Matcher::_regEncode[R_O7_num], Assembler::srlx_op3, Matcher::_regEncode[src_second-1], 0x1020 );
1462 #ifndef PRODUCT
1463     } else if( !do_size ) {
1464       if( size != 0 ) st->print("\n\t");
1465       st->print("SRLX   R_%s,32,R_%s\t! spill: Move high bits down low",OptoReg::regname(src_second-1),OptoReg::regname(R_O7_num));
1466 #endif
1467     }
1468     size+=4;
1469     src_second = OptoReg::Name(R_O7_num); // Not R_O7H_num!
1470   }
1471 
1472   // Check for high word integer load
1473   if( dst_second_rc == rc_int && src_second_rc == rc_stack )
1474     return impl_helper(this,cbuf,ra_,do_size,true ,ra_->reg2offset(src_second),dst_second,Assembler::lduw_op3,"LDUW",size, st);
1475 
1476   // Check for high word integer store
1477   if( src_second_rc == rc_int && dst_second_rc == rc_stack )
1478     return impl_helper(this,cbuf,ra_,do_size,false,ra_->reg2offset(dst_second),src_second,Assembler::stw_op3 ,"STW ",size, st);
1479 
1480   // Check for high word float store
1481   if( src_second_rc == rc_float && dst_second_rc == rc_stack )
1482     return impl_helper(this,cbuf,ra_,do_size,false,ra_->reg2offset(dst_second),src_second,Assembler::stf_op3 ,"STF ",size, st);
1483 
1484 #endif // !_LP64
1485 
1486   Unimplemented();
1487 }
1488 
1489 #ifndef PRODUCT
1490 void MachSpillCopyNode::format( PhaseRegAlloc *ra_, outputStream *st ) const {
1491   implementation( NULL, ra_, false, st );
1492 }
1493 #endif
1494 
1495 void MachSpillCopyNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {
1496   implementation( &cbuf, ra_, false, NULL );
1497 }
1498 
1499 uint MachSpillCopyNode::size(PhaseRegAlloc *ra_) const {
1500   return implementation( NULL, ra_, true, NULL );
1501 }
1502 
1503 //=============================================================================
1504 #ifndef PRODUCT
1505 void MachNopNode::format( PhaseRegAlloc *, outputStream *st ) const {
1506   st->print("NOP \t# %d bytes pad for loops and calls", 4 * _count);
1507 }
1508 #endif
1509 
1510 void MachNopNode::emit(CodeBuffer &cbuf, PhaseRegAlloc * ) const {
1511   MacroAssembler _masm(&cbuf);
1512   for(int i = 0; i < _count; i += 1) {
1513     __ nop();
1514   }
1515 }
1516 
1517 uint MachNopNode::size(PhaseRegAlloc *ra_) const {
1518   return 4 * _count;
1519 }
1520 
1521 
1522 //=============================================================================
1523 #ifndef PRODUCT
1524 void BoxLockNode::format( PhaseRegAlloc *ra_, outputStream *st ) const {
1525   int offset = ra_->reg2offset(in_RegMask(0).find_first_elem());
1526   int reg = ra_->get_reg_first(this);
1527   st->print("LEA    [R_SP+#%d+BIAS],%s",offset,Matcher::regName[reg]);
1528 }
1529 #endif
1530 
1531 void BoxLockNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {
1532   MacroAssembler _masm(&cbuf);
1533   int offset = ra_->reg2offset(in_RegMask(0).find_first_elem()) + STACK_BIAS;
1534   int reg = ra_->get_encode(this);
1535 
1536   if (Assembler::is_simm13(offset)) {
1537      __ add(SP, offset, reg_to_register_object(reg));
1538   } else {
1539      __ set(offset, O7);
1540      __ add(SP, O7, reg_to_register_object(reg));
1541   }
1542 }
1543 
1544 uint BoxLockNode::size(PhaseRegAlloc *ra_) const {
1545   // BoxLockNode is not a MachNode, so we can't just call MachNode::size(ra_)
1546   assert(ra_ == ra_->C->regalloc(), "sanity");
1547   return ra_->C->scratch_emit_size(this);
1548 }
1549 
1550 //=============================================================================
1551 
1552 // emit call stub, compiled java to interpretor
1553 void emit_java_to_interp(CodeBuffer &cbuf ) {
1554 
1555   // Stub is fixed up when the corresponding call is converted from calling
1556   // compiled code to calling interpreted code.
1557   // set (empty), G5
1558   // jmp -1
1559 
1560   address mark = cbuf.inst_mark();  // get mark within main instrs section
1561 
1562   MacroAssembler _masm(&cbuf);
1563 
1564   address base =
1565   __ start_a_stub(Compile::MAX_stubs_size);
1566   if (base == NULL)  return;  // CodeBuffer::expand failed
1567 
1568   // static stub relocation stores the instruction address of the call
1569   __ relocate(static_stub_Relocation::spec(mark));
1570 
1571   __ set_oop(NULL, reg_to_register_object(Matcher::inline_cache_reg_encode()));
1572 
1573   __ set_inst_mark();
1574   Address a(G3, (address)-1);
1575   __ JUMP(a, 0);
1576 
1577   __ delayed()->nop();
1578 
1579   // Update current stubs pointer and restore code_end.
1580   __ end_a_stub();
1581 }
1582 
1583 // size of call stub, compiled java to interpretor
1584 uint size_java_to_interp() {
1585   // This doesn't need to be accurate but it must be larger or equal to
1586   // the real size of the stub.
1587   return (NativeMovConstReg::instruction_size +  // sethi/setlo;
1588           NativeJump::instruction_size + // sethi; jmp; nop
1589           (TraceJumps ? 20 * BytesPerInstWord : 0) );
1590 }
1591 // relocation entries for call stub, compiled java to interpretor
1592 uint reloc_java_to_interp() {
1593   return 10;  // 4 in emit_java_to_interp + 1 in Java_Static_Call
1594 }
1595 
1596 
1597 //=============================================================================
1598 #ifndef PRODUCT
1599 void MachUEPNode::format( PhaseRegAlloc *ra_, outputStream *st ) const {
1600   st->print_cr("\nUEP:");
1601 #ifdef    _LP64
1602   if (UseCompressedOops) {
1603     st->print_cr("\tLDUW   [R_O0 + oopDesc::klass_offset_in_bytes],R_G5\t! Inline cache check - compressed klass");
1604     st->print_cr("\tSLL    R_G5,3,R_G5");
1605     st->print_cr("\tADD    R_G5,R_G6_heap_base,R_G5");
1606   } else {
1607     st->print_cr("\tLDX    [R_O0 + oopDesc::klass_offset_in_bytes],R_G5\t! Inline cache check");
1608   }
1609   st->print_cr("\tCMP    R_G5,R_G3" );
1610   st->print   ("\tTne    xcc,R_G0+ST_RESERVED_FOR_USER_0+2");
1611 #else  // _LP64
1612   st->print_cr("\tLDUW   [R_O0 + oopDesc::klass_offset_in_bytes],R_G5\t! Inline cache check");
1613   st->print_cr("\tCMP    R_G5,R_G3" );
1614   st->print   ("\tTne    icc,R_G0+ST_RESERVED_FOR_USER_0+2");
1615 #endif // _LP64
1616 }
1617 #endif
1618 
1619 void MachUEPNode::emit(CodeBuffer &cbuf, PhaseRegAlloc *ra_) const {
1620   MacroAssembler _masm(&cbuf);
1621   Label L;
1622   Register G5_ic_reg  = reg_to_register_object(Matcher::inline_cache_reg_encode());
1623   Register temp_reg   = G3;
1624   assert( G5_ic_reg != temp_reg, "conflicting registers" );
1625 
1626   // Load klass from reciever
1627   __ load_klass(O0, temp_reg);
1628   // Compare against expected klass
1629   __ cmp(temp_reg, G5_ic_reg);
1630   // Branch to miss code, checks xcc or icc depending
1631   __ trap(Assembler::notEqual, Assembler::ptr_cc, G0, ST_RESERVED_FOR_USER_0+2);
1632 }
1633 
1634 uint MachUEPNode::size(PhaseRegAlloc *ra_) const {
1635   return MachNode::size(ra_);
1636 }
1637 
1638 
1639 //=============================================================================
1640 
1641 uint size_exception_handler() {
1642   if (TraceJumps) {
1643     return (400); // just a guess
1644   }
1645   return ( NativeJump::instruction_size ); // sethi;jmp;nop
1646 }
1647 
1648 uint size_deopt_handler() {
1649   if (TraceJumps) {
1650     return (400); // just a guess
1651   }
1652   return ( 4+  NativeJump::instruction_size ); // save;sethi;jmp;restore
1653 }
1654 
1655 // Emit exception handler code.
1656 int emit_exception_handler(CodeBuffer& cbuf) {
1657   Register temp_reg = G3;
1658   Address exception_blob(temp_reg, OptoRuntime::exception_blob()->instructions_begin());
1659   MacroAssembler _masm(&cbuf);
1660 
1661   address base =
1662   __ start_a_stub(size_exception_handler());
1663   if (base == NULL)  return 0;  // CodeBuffer::expand failed
1664 
1665   int offset = __ offset();
1666 
1667   __ JUMP(exception_blob, 0); // sethi;jmp
1668   __ delayed()->nop();
1669 
1670   assert(__ offset() - offset <= (int) size_exception_handler(), "overflow");
1671 
1672   __ end_a_stub();
1673 
1674   return offset;
1675 }
1676 
1677 int emit_deopt_handler(CodeBuffer& cbuf) {
1678   // Can't use any of the current frame's registers as we may have deopted
1679   // at a poll and everything (including G3) can be live.
1680   Register temp_reg = L0;
1681   Address deopt_blob(temp_reg, SharedRuntime::deopt_blob()->unpack());
1682   MacroAssembler _masm(&cbuf);
1683 
1684   address base =
1685   __ start_a_stub(size_deopt_handler());
1686   if (base == NULL)  return 0;  // CodeBuffer::expand failed
1687 
1688   int offset = __ offset();
1689   __ save_frame(0);
1690   __ JUMP(deopt_blob, 0); // sethi;jmp
1691   __ delayed()->restore();
1692 
1693   assert(__ offset() - offset <= (int) size_deopt_handler(), "overflow");
1694 
1695   __ end_a_stub();
1696   return offset;
1697 
1698 }
1699 
1700 // Given a register encoding, produce a Integer Register object
1701 static Register reg_to_register_object(int register_encoding) {
1702   assert(L5->encoding() == R_L5_enc && G1->encoding() == R_G1_enc, "right coding");
1703   return as_Register(register_encoding);
1704 }
1705 
1706 // Given a register encoding, produce a single-precision Float Register object
1707 static FloatRegister reg_to_SingleFloatRegister_object(int register_encoding) {
1708   assert(F5->encoding(FloatRegisterImpl::S) == R_F5_enc && F12->encoding(FloatRegisterImpl::S) == R_F12_enc, "right coding");
1709   return as_SingleFloatRegister(register_encoding);
1710 }
1711 
1712 // Given a register encoding, produce a double-precision Float Register object
1713 static FloatRegister reg_to_DoubleFloatRegister_object(int register_encoding) {
1714   assert(F4->encoding(FloatRegisterImpl::D) == R_F4_enc, "right coding");
1715   assert(F32->encoding(FloatRegisterImpl::D) == R_D32_enc, "right coding");
1716   return as_DoubleFloatRegister(register_encoding);
1717 }
1718 
1719 int Matcher::regnum_to_fpu_offset(int regnum) {
1720   return regnum - 32; // The FP registers are in the second chunk
1721 }
1722 
1723 #ifdef ASSERT
1724 address last_rethrow = NULL;  // debugging aid for Rethrow encoding
1725 #endif
1726 
1727 // Vector width in bytes
1728 const uint Matcher::vector_width_in_bytes(void) {
1729   return 8;
1730 }
1731 
1732 // Vector ideal reg
1733 const uint Matcher::vector_ideal_reg(void) {
1734   return Op_RegD;
1735 }
1736 
1737 // USII supports fxtof through the whole range of number, USIII doesn't
1738 const bool Matcher::convL2FSupported(void) {
1739   return VM_Version::has_fast_fxtof();
1740 }
1741 
1742 // Is this branch offset short enough that a short branch can be used?
1743 //
1744 // NOTE: If the platform does not provide any short branch variants, then
1745 //       this method should return false for offset 0.
1746 bool Matcher::is_short_branch_offset(int offset) {
1747   return false;
1748 }
1749 
1750 const bool Matcher::isSimpleConstant64(jlong value) {
1751   // Will one (StoreL ConL) be cheaper than two (StoreI ConI)?.
1752   // Depends on optimizations in MacroAssembler::setx.
1753   int hi = (int)(value >> 32);
1754   int lo = (int)(value & ~0);
1755   return (hi == 0) || (hi == -1) || (lo == 0);
1756 }
1757 
1758 // No scaling for the parameter the ClearArray node.
1759 const bool Matcher::init_array_count_is_in_bytes = true;
1760 
1761 // Threshold size for cleararray.
1762 const int Matcher::init_array_short_size = 8 * BytesPerLong;
1763 
1764 // Should the Matcher clone shifts on addressing modes, expecting them to
1765 // be subsumed into complex addressing expressions or compute them into
1766 // registers?  True for Intel but false for most RISCs
1767 const bool Matcher::clone_shift_expressions = false;
1768 
1769 // Is it better to copy float constants, or load them directly from memory?
1770 // Intel can load a float constant from a direct address, requiring no
1771 // extra registers.  Most RISCs will have to materialize an address into a
1772 // register first, so they would do better to copy the constant from stack.
1773 const bool Matcher::rematerialize_float_constants = false;
1774 
1775 // If CPU can load and store mis-aligned doubles directly then no fixup is
1776 // needed.  Else we split the double into 2 integer pieces and move it
1777 // piece-by-piece.  Only happens when passing doubles into C code as the
1778 // Java calling convention forces doubles to be aligned.
1779 #ifdef _LP64
1780 const bool Matcher::misaligned_doubles_ok = true;
1781 #else
1782 const bool Matcher::misaligned_doubles_ok = false;
1783 #endif
1784 
1785 // No-op on SPARC.
1786 void Matcher::pd_implicit_null_fixup(MachNode *node, uint idx) {
1787 }
1788 
1789 // Advertise here if the CPU requires explicit rounding operations
1790 // to implement the UseStrictFP mode.
1791 const bool Matcher::strict_fp_requires_explicit_rounding = false;
1792 
1793 // Do floats take an entire double register or just half?
1794 const bool Matcher::float_in_double = false;
1795 
1796 // Do ints take an entire long register or just half?
1797 // Note that we if-def off of _LP64.
1798 // The relevant question is how the int is callee-saved.  In _LP64
1799 // the whole long is written but de-opt'ing will have to extract
1800 // the relevant 32 bits, in not-_LP64 only the low 32 bits is written.
1801 #ifdef _LP64
1802 const bool Matcher::int_in_long = true;
1803 #else
1804 const bool Matcher::int_in_long = false;
1805 #endif
1806 
1807 // Return whether or not this register is ever used as an argument.  This
1808 // function is used on startup to build the trampoline stubs in generateOptoStub.
1809 // Registers not mentioned will be killed by the VM call in the trampoline, and
1810 // arguments in those registers not be available to the callee.
1811 bool Matcher::can_be_java_arg( int reg ) {
1812   // Standard sparc 6 args in registers
1813   if( reg == R_I0_num ||
1814       reg == R_I1_num ||
1815       reg == R_I2_num ||
1816       reg == R_I3_num ||
1817       reg == R_I4_num ||
1818       reg == R_I5_num ) return true;
1819 #ifdef _LP64
1820   // 64-bit builds can pass 64-bit pointers and longs in
1821   // the high I registers
1822   if( reg == R_I0H_num ||
1823       reg == R_I1H_num ||
1824       reg == R_I2H_num ||
1825       reg == R_I3H_num ||
1826       reg == R_I4H_num ||
1827       reg == R_I5H_num ) return true;
1828 
1829   if ((UseCompressedOops) && (reg == R_G6_num || reg == R_G6H_num)) {
1830     return true;
1831   }
1832 
1833 #else
1834   // 32-bit builds with longs-in-one-entry pass longs in G1 & G4.
1835   // Longs cannot be passed in O regs, because O regs become I regs
1836   // after a 'save' and I regs get their high bits chopped off on
1837   // interrupt.
1838   if( reg == R_G1H_num || reg == R_G1_num ) return true;
1839   if( reg == R_G4H_num || reg == R_G4_num ) return true;
1840 #endif
1841   // A few float args in registers
1842   if( reg >= R_F0_num && reg <= R_F7_num ) return true;
1843 
1844   return false;
1845 }
1846 
1847 bool Matcher::is_spillable_arg( int reg ) {
1848   return can_be_java_arg(reg);
1849 }
1850 
1851 // Register for DIVI projection of divmodI
1852 RegMask Matcher::divI_proj_mask() {
1853   ShouldNotReachHere();
1854   return RegMask();
1855 }
1856 
1857 // Register for MODI projection of divmodI
1858 RegMask Matcher::modI_proj_mask() {
1859   ShouldNotReachHere();
1860   return RegMask();
1861 }
1862 
1863 // Register for DIVL projection of divmodL
1864 RegMask Matcher::divL_proj_mask() {
1865   ShouldNotReachHere();
1866   return RegMask();
1867 }
1868 
1869 // Register for MODL projection of divmodL
1870 RegMask Matcher::modL_proj_mask() {
1871   ShouldNotReachHere();
1872   return RegMask();
1873 }
1874 
1875 %}
1876 
1877 
1878 // The intptr_t operand types, defined by textual substitution.
1879 // (Cf. opto/type.hpp.  This lets us avoid many, many other ifdefs.)
1880 #ifdef _LP64
1881 #define immX    immL
1882 #define immX13  immL13
1883 #define iRegX   iRegL
1884 #define g1RegX  g1RegL
1885 #else
1886 #define immX    immI
1887 #define immX13  immI13
1888 #define iRegX   iRegI
1889 #define g1RegX  g1RegI
1890 #endif
1891 
1892 //----------ENCODING BLOCK-----------------------------------------------------
1893 // This block specifies the encoding classes used by the compiler to output
1894 // byte streams.  Encoding classes are parameterized macros used by
1895 // Machine Instruction Nodes in order to generate the bit encoding of the
1896 // instruction.  Operands specify their base encoding interface with the
1897 // interface keyword.  There are currently supported four interfaces,
1898 // REG_INTER, CONST_INTER, MEMORY_INTER, & COND_INTER.  REG_INTER causes an
1899 // operand to generate a function which returns its register number when
1900 // queried.   CONST_INTER causes an operand to generate a function which
1901 // returns the value of the constant when queried.  MEMORY_INTER causes an
1902 // operand to generate four functions which return the Base Register, the
1903 // Index Register, the Scale Value, and the Offset Value of the operand when
1904 // queried.  COND_INTER causes an operand to generate six functions which
1905 // return the encoding code (ie - encoding bits for the instruction)
1906 // associated with each basic boolean condition for a conditional instruction.
1907 //
1908 // Instructions specify two basic values for encoding.  Again, a function
1909 // is available to check if the constant displacement is an oop. They use the
1910 // ins_encode keyword to specify their encoding classes (which must be
1911 // a sequence of enc_class names, and their parameters, specified in
1912 // the encoding block), and they use the
1913 // opcode keyword to specify, in order, their primary, secondary, and
1914 // tertiary opcode.  Only the opcode sections which a particular instruction
1915 // needs for encoding need to be specified.
1916 encode %{
1917   enc_class enc_untested %{
1918 #ifdef ASSERT
1919     MacroAssembler _masm(&cbuf);
1920     __ untested("encoding");
1921 #endif
1922   %}
1923 
1924   enc_class form3_mem_reg( memory mem, iRegI dst ) %{
1925     emit_form3_mem_reg(cbuf, this, $primary, $tertiary,
1926                        $mem$$base, $mem$$disp, $mem$$index, $dst$$reg);
1927   %}
1928 
1929   enc_class form3_mem_reg_little( memory mem, iRegI dst) %{
1930     emit_form3_mem_reg_asi(cbuf, this, $primary, $tertiary,
1931                      $mem$$base, $mem$$disp, $mem$$index, $dst$$reg, Assembler::ASI_PRIMARY_LITTLE);
1932   %}
1933 
1934   enc_class form3_mem_prefetch_read( memory mem ) %{
1935     emit_form3_mem_reg(cbuf, this, $primary, $tertiary,
1936                        $mem$$base, $mem$$disp, $mem$$index, 0/*prefetch function many-reads*/);
1937   %}
1938 
1939   enc_class form3_mem_prefetch_write( memory mem ) %{
1940     emit_form3_mem_reg(cbuf, this, $primary, $tertiary,
1941                        $mem$$base, $mem$$disp, $mem$$index, 2/*prefetch function many-writes*/);
1942   %}
1943 
1944   enc_class form3_mem_reg_long_unaligned_marshal( memory mem, iRegL reg ) %{
1945     assert( Assembler::is_simm13($mem$$disp  ), "need disp and disp+4" );
1946     assert( Assembler::is_simm13($mem$$disp+4), "need disp and disp+4" );
1947     guarantee($mem$$index == R_G0_enc, "double index?");
1948     emit_form3_mem_reg(cbuf, this, $primary, $tertiary, $mem$$base, $mem$$disp+4, R_G0_enc, R_O7_enc );
1949     emit_form3_mem_reg(cbuf, this, $primary, $tertiary, $mem$$base, $mem$$disp,   R_G0_enc, $reg$$reg );
1950     emit3_simm13( cbuf, Assembler::arith_op, $reg$$reg, Assembler::sllx_op3, $reg$$reg, 0x1020 );
1951     emit3( cbuf, Assembler::arith_op, $reg$$reg, Assembler::or_op3, $reg$$reg, 0, R_O7_enc );
1952   %}
1953 
1954   enc_class form3_mem_reg_double_unaligned( memory mem, RegD_low reg ) %{
1955     assert( Assembler::is_simm13($mem$$disp  ), "need disp and disp+4" );
1956     assert( Assembler::is_simm13($mem$$disp+4), "need disp and disp+4" );
1957     guarantee($mem$$index == R_G0_enc, "double index?");
1958     // Load long with 2 instructions
1959     emit_form3_mem_reg(cbuf, this, $primary, $tertiary, $mem$$base, $mem$$disp,   R_G0_enc, $reg$$reg+0 );
1960     emit_form3_mem_reg(cbuf, this, $primary, $tertiary, $mem$$base, $mem$$disp+4, R_G0_enc, $reg$$reg+1 );
1961   %}
1962 
1963   //%%% form3_mem_plus_4_reg is a hack--get rid of it
1964   enc_class form3_mem_plus_4_reg( memory mem, iRegI dst ) %{
1965     guarantee($mem$$disp, "cannot offset a reg-reg operand by 4");
1966     emit_form3_mem_reg(cbuf, this, $primary, $tertiary, $mem$$base, $mem$$disp + 4, $mem$$index, $dst$$reg);
1967   %}
1968 
1969   enc_class form3_g0_rs2_rd_move( iRegI rs2, iRegI rd ) %{
1970     // Encode a reg-reg copy.  If it is useless, then empty encoding.
1971     if( $rs2$$reg != $rd$$reg )
1972       emit3( cbuf, Assembler::arith_op, $rd$$reg, Assembler::or_op3, 0, 0, $rs2$$reg );
1973   %}
1974 
1975   // Target lo half of long
1976   enc_class form3_g0_rs2_rd_move_lo( iRegI rs2, iRegL rd ) %{
1977     // Encode a reg-reg copy.  If it is useless, then empty encoding.
1978     if( $rs2$$reg != LONG_LO_REG($rd$$reg) )
1979       emit3( cbuf, Assembler::arith_op, LONG_LO_REG($rd$$reg), Assembler::or_op3, 0, 0, $rs2$$reg );
1980   %}
1981 
1982   // Source lo half of long
1983   enc_class form3_g0_rs2_rd_move_lo2( iRegL rs2, iRegI rd ) %{
1984     // Encode a reg-reg copy.  If it is useless, then empty encoding.
1985     if( LONG_LO_REG($rs2$$reg) != $rd$$reg )
1986       emit3( cbuf, Assembler::arith_op, $rd$$reg, Assembler::or_op3, 0, 0, LONG_LO_REG($rs2$$reg) );
1987   %}
1988 
1989   // Target hi half of long
1990   enc_class form3_rs1_rd_copysign_hi( iRegI rs1, iRegL rd ) %{
1991     emit3_simm13( cbuf, Assembler::arith_op, $rd$$reg, Assembler::sra_op3, $rs1$$reg, 31 );
1992   %}
1993 
1994   // Source lo half of long, and leave it sign extended.
1995   enc_class form3_rs1_rd_signextend_lo1( iRegL rs1, iRegI rd ) %{
1996     // Sign extend low half
1997     emit3( cbuf, Assembler::arith_op, $rd$$reg, Assembler::sra_op3, $rs1$$reg, 0, 0 );
1998   %}
1999 
2000   // Source hi half of long, and leave it sign extended.
2001   enc_class form3_rs1_rd_copy_hi1( iRegL rs1, iRegI rd ) %{
2002     // Shift high half to low half
2003     emit3_simm13( cbuf, Assembler::arith_op, $rd$$reg, Assembler::srlx_op3, $rs1$$reg, 32 );
2004   %}
2005 
2006   // Source hi half of long
2007   enc_class form3_g0_rs2_rd_move_hi2( iRegL rs2, iRegI rd ) %{
2008     // Encode a reg-reg copy.  If it is useless, then empty encoding.
2009     if( LONG_HI_REG($rs2$$reg) != $rd$$reg )
2010       emit3( cbuf, Assembler::arith_op, $rd$$reg, Assembler::or_op3, 0, 0, LONG_HI_REG($rs2$$reg) );
2011   %}
2012 
2013   enc_class form3_rs1_rs2_rd( iRegI rs1, iRegI rs2, iRegI rd ) %{
2014     emit3( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, 0, $rs2$$reg );
2015   %}
2016 
2017   enc_class enc_to_bool( iRegI src, iRegI dst ) %{
2018     emit3       ( cbuf, Assembler::arith_op,         0, Assembler::subcc_op3, 0, 0, $src$$reg );
2019     emit3_simm13( cbuf, Assembler::arith_op, $dst$$reg, Assembler::addc_op3 , 0, 0 );
2020   %}
2021 
2022   enc_class enc_ltmask( iRegI p, iRegI q, iRegI dst ) %{
2023     emit3       ( cbuf, Assembler::arith_op,         0, Assembler::subcc_op3, $p$$reg, 0, $q$$reg );
2024     // clear if nothing else is happening
2025     emit3_simm13( cbuf, Assembler::arith_op, $dst$$reg, Assembler::or_op3, 0,  0 );
2026     // blt,a,pn done
2027     emit2_19    ( cbuf, Assembler::branch_op, 1/*annul*/, Assembler::less, Assembler::bp_op2, Assembler::icc, 0/*predict not taken*/, 2 );
2028     // mov dst,-1 in delay slot
2029     emit3_simm13( cbuf, Assembler::arith_op, $dst$$reg, Assembler::or_op3, 0, -1 );
2030   %}
2031 
2032   enc_class form3_rs1_imm5_rd( iRegI rs1, immU5 imm5, iRegI rd ) %{
2033     emit3_simm13( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, $imm5$$constant & 0x1F );
2034   %}
2035 
2036   enc_class form3_sd_rs1_imm6_rd( iRegL rs1, immU6 imm6, iRegL rd ) %{
2037     emit3_simm13( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, ($imm6$$constant & 0x3F) | 0x1000 );
2038   %}
2039 
2040   enc_class form3_sd_rs1_rs2_rd( iRegL rs1, iRegI rs2, iRegL rd ) %{
2041     emit3( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, 0x80, $rs2$$reg );
2042   %}
2043 
2044   enc_class form3_rs1_simm13_rd( iRegI rs1, immI13 simm13, iRegI rd ) %{
2045     emit3_simm13( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, $simm13$$constant );
2046   %}
2047 
2048   enc_class move_return_pc_to_o1() %{
2049     emit3_simm13( cbuf, Assembler::arith_op, R_O1_enc, Assembler::add_op3, R_O7_enc, frame::pc_return_offset );
2050   %}
2051 
2052 #ifdef _LP64
2053   /* %%% merge with enc_to_bool */
2054   enc_class enc_convP2B( iRegI dst, iRegP src ) %{
2055     MacroAssembler _masm(&cbuf);
2056 
2057     Register   src_reg = reg_to_register_object($src$$reg);
2058     Register   dst_reg = reg_to_register_object($dst$$reg);
2059     __ movr(Assembler::rc_nz, src_reg, 1, dst_reg);
2060   %}
2061 #endif
2062 
2063   enc_class enc_cadd_cmpLTMask( iRegI p, iRegI q, iRegI y, iRegI tmp ) %{
2064     // (Set p (AddI (AndI (CmpLTMask p q) y) (SubI p q)))
2065     MacroAssembler _masm(&cbuf);
2066 
2067     Register   p_reg = reg_to_register_object($p$$reg);
2068     Register   q_reg = reg_to_register_object($q$$reg);
2069     Register   y_reg = reg_to_register_object($y$$reg);
2070     Register tmp_reg = reg_to_register_object($tmp$$reg);
2071 
2072     __ subcc( p_reg, q_reg,   p_reg );
2073     __ add  ( p_reg, y_reg, tmp_reg );
2074     __ movcc( Assembler::less, false, Assembler::icc, tmp_reg, p_reg );
2075   %}
2076 
2077   enc_class form_d2i_helper(regD src, regF dst) %{
2078     // fcmp %fcc0,$src,$src
2079     emit3( cbuf, Assembler::arith_op , Assembler::fcc0, Assembler::fpop2_op3, $src$$reg, Assembler::fcmpd_opf, $src$$reg );
2080     // branch %fcc0 not-nan, predict taken
2081     emit2_19( cbuf, Assembler::branch_op, 0/*annul*/, Assembler::f_ordered, Assembler::fbp_op2, Assembler::fcc0, 1/*predict taken*/, 4 );
2082     // fdtoi $src,$dst
2083     emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3,         0, Assembler::fdtoi_opf, $src$$reg );
2084     // fitos $dst,$dst (if nan)
2085     emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3,         0, Assembler::fitos_opf, $dst$$reg );
2086     // clear $dst (if nan)
2087     emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, $dst$$reg, Assembler::fsubs_opf, $dst$$reg );
2088     // carry on here...
2089   %}
2090 
2091   enc_class form_d2l_helper(regD src, regD dst) %{
2092     // fcmp %fcc0,$src,$src  check for NAN
2093     emit3( cbuf, Assembler::arith_op , Assembler::fcc0, Assembler::fpop2_op3, $src$$reg, Assembler::fcmpd_opf, $src$$reg );
2094     // branch %fcc0 not-nan, predict taken
2095     emit2_19( cbuf, Assembler::branch_op, 0/*annul*/, Assembler::f_ordered, Assembler::fbp_op2, Assembler::fcc0, 1/*predict taken*/, 4 );
2096     // fdtox $src,$dst   convert in delay slot
2097     emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3,         0, Assembler::fdtox_opf, $src$$reg );
2098     // fxtod $dst,$dst  (if nan)
2099     emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3,         0, Assembler::fxtod_opf, $dst$$reg );
2100     // clear $dst (if nan)
2101     emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, $dst$$reg, Assembler::fsubd_opf, $dst$$reg );
2102     // carry on here...
2103   %}
2104 
2105   enc_class form_f2i_helper(regF src, regF dst) %{
2106     // fcmps %fcc0,$src,$src
2107     emit3( cbuf, Assembler::arith_op , Assembler::fcc0, Assembler::fpop2_op3, $src$$reg, Assembler::fcmps_opf, $src$$reg );
2108     // branch %fcc0 not-nan, predict taken
2109     emit2_19( cbuf, Assembler::branch_op, 0/*annul*/, Assembler::f_ordered, Assembler::fbp_op2, Assembler::fcc0, 1/*predict taken*/, 4 );
2110     // fstoi $src,$dst
2111     emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3,         0, Assembler::fstoi_opf, $src$$reg );
2112     // fitos $dst,$dst (if nan)
2113     emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3,         0, Assembler::fitos_opf, $dst$$reg );
2114     // clear $dst (if nan)
2115     emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, $dst$$reg, Assembler::fsubs_opf, $dst$$reg );
2116     // carry on here...
2117   %}
2118 
2119   enc_class form_f2l_helper(regF src, regD dst) %{
2120     // fcmps %fcc0,$src,$src
2121     emit3( cbuf, Assembler::arith_op , Assembler::fcc0, Assembler::fpop2_op3, $src$$reg, Assembler::fcmps_opf, $src$$reg );
2122     // branch %fcc0 not-nan, predict taken
2123     emit2_19( cbuf, Assembler::branch_op, 0/*annul*/, Assembler::f_ordered, Assembler::fbp_op2, Assembler::fcc0, 1/*predict taken*/, 4 );
2124     // fstox $src,$dst
2125     emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3,         0, Assembler::fstox_opf, $src$$reg );
2126     // fxtod $dst,$dst (if nan)
2127     emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3,         0, Assembler::fxtod_opf, $dst$$reg );
2128     // clear $dst (if nan)
2129     emit3( cbuf, Assembler::arith_op , $dst$$reg, Assembler::fpop1_op3, $dst$$reg, Assembler::fsubd_opf, $dst$$reg );
2130     // carry on here...
2131   %}
2132 
2133   enc_class form3_opf_rs2F_rdF(regF rs2, regF rd) %{ emit3(cbuf,$secondary,$rd$$reg,$primary,0,$tertiary,$rs2$$reg); %}
2134   enc_class form3_opf_rs2F_rdD(regF rs2, regD rd) %{ emit3(cbuf,$secondary,$rd$$reg,$primary,0,$tertiary,$rs2$$reg); %}
2135   enc_class form3_opf_rs2D_rdF(regD rs2, regF rd) %{ emit3(cbuf,$secondary,$rd$$reg,$primary,0,$tertiary,$rs2$$reg); %}
2136   enc_class form3_opf_rs2D_rdD(regD rs2, regD rd) %{ emit3(cbuf,$secondary,$rd$$reg,$primary,0,$tertiary,$rs2$$reg); %}
2137 
2138   enc_class form3_opf_rs2D_lo_rdF(regD rs2, regF rd) %{ emit3(cbuf,$secondary,$rd$$reg,$primary,0,$tertiary,$rs2$$reg+1); %}
2139 
2140   enc_class form3_opf_rs2D_hi_rdD_hi(regD rs2, regD rd) %{ emit3(cbuf,$secondary,$rd$$reg,$primary,0,$tertiary,$rs2$$reg); %}
2141   enc_class form3_opf_rs2D_lo_rdD_lo(regD rs2, regD rd) %{ emit3(cbuf,$secondary,$rd$$reg+1,$primary,0,$tertiary,$rs2$$reg+1); %}
2142 
2143   enc_class form3_opf_rs1F_rs2F_rdF( regF rs1, regF rs2, regF rd ) %{
2144     emit3( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, $tertiary, $rs2$$reg );
2145   %}
2146 
2147   enc_class form3_opf_rs1D_rs2D_rdD( regD rs1, regD rs2, regD rd ) %{
2148     emit3( cbuf, $secondary, $rd$$reg, $primary, $rs1$$reg, $tertiary, $rs2$$reg );
2149   %}
2150 
2151   enc_class form3_opf_rs1F_rs2F_fcc( regF rs1, regF rs2, flagsRegF fcc ) %{
2152     emit3( cbuf, $secondary, $fcc$$reg, $primary, $rs1$$reg, $tertiary, $rs2$$reg );
2153   %}
2154 
2155   enc_class form3_opf_rs1D_rs2D_fcc( regD rs1, regD rs2, flagsRegF fcc ) %{
2156     emit3( cbuf, $secondary, $fcc$$reg, $primary, $rs1$$reg, $tertiary, $rs2$$reg );
2157   %}
2158 
2159   enc_class form3_convI2F(regF rs2, regF rd) %{
2160     emit3(cbuf,Assembler::arith_op,$rd$$reg,Assembler::fpop1_op3,0,$secondary,$rs2$$reg);
2161   %}
2162 
2163   // Encloding class for traceable jumps
2164   enc_class form_jmpl(g3RegP dest) %{
2165     emit_jmpl(cbuf, $dest$$reg);
2166   %}
2167 
2168   enc_class form_jmpl_set_exception_pc(g1RegP dest) %{
2169     emit_jmpl_set_exception_pc(cbuf, $dest$$reg);
2170   %}
2171 
2172   enc_class form2_nop() %{
2173     emit_nop(cbuf);
2174   %}
2175 
2176   enc_class form2_illtrap() %{
2177     emit_illtrap(cbuf);
2178   %}
2179 
2180 
2181   // Compare longs and convert into -1, 0, 1.
2182   enc_class cmpl_flag( iRegL src1, iRegL src2, iRegI dst ) %{
2183     // CMP $src1,$src2
2184     emit3( cbuf, Assembler::arith_op, 0, Assembler::subcc_op3, $src1$$reg, 0, $src2$$reg );
2185     // blt,a,pn done
2186     emit2_19( cbuf, Assembler::branch_op, 1/*annul*/, Assembler::less   , Assembler::bp_op2, Assembler::xcc, 0/*predict not taken*/, 5 );
2187     // mov dst,-1 in delay slot
2188     emit3_simm13( cbuf, Assembler::arith_op, $dst$$reg, Assembler::or_op3, 0, -1 );
2189     // bgt,a,pn done
2190     emit2_19( cbuf, Assembler::branch_op, 1/*annul*/, Assembler::greater, Assembler::bp_op2, Assembler::xcc, 0/*predict not taken*/, 3 );
2191     // mov dst,1 in delay slot
2192     emit3_simm13( cbuf, Assembler::arith_op, $dst$$reg, Assembler::or_op3, 0,  1 );
2193     // CLR    $dst
2194     emit3( cbuf, Assembler::arith_op, $dst$$reg, Assembler::or_op3 , 0, 0, 0 );
2195   %}
2196 
2197   enc_class enc_PartialSubtypeCheck() %{
2198     MacroAssembler _masm(&cbuf);
2199     __ call(StubRoutines::Sparc::partial_subtype_check(), relocInfo::runtime_call_type);
2200     __ delayed()->nop();
2201   %}
2202 
2203   enc_class enc_bp( Label labl, cmpOp cmp, flagsReg cc ) %{
2204     MacroAssembler _masm(&cbuf);
2205     Label &L = *($labl$$label);
2206     Assembler::Predict predict_taken =
2207       cbuf.is_backward_branch(L) ? Assembler::pt : Assembler::pn;
2208 
2209     __ bp( (Assembler::Condition)($cmp$$cmpcode), false, Assembler::icc, predict_taken, L);
2210     __ delayed()->nop();
2211   %}
2212 
2213   enc_class enc_bpl( Label labl, cmpOp cmp, flagsRegL cc ) %{
2214     MacroAssembler _masm(&cbuf);
2215     Label &L = *($labl$$label);
2216     Assembler::Predict predict_taken =
2217       cbuf.is_backward_branch(L) ? Assembler::pt : Assembler::pn;
2218 
2219     __ bp( (Assembler::Condition)($cmp$$cmpcode), false, Assembler::xcc, predict_taken, L);
2220     __ delayed()->nop();
2221   %}
2222 
2223   enc_class enc_bpx( Label labl, cmpOp cmp, flagsRegP cc ) %{
2224     MacroAssembler _masm(&cbuf);
2225     Label &L = *($labl$$label);
2226     Assembler::Predict predict_taken =
2227       cbuf.is_backward_branch(L) ? Assembler::pt : Assembler::pn;
2228 
2229     __ bp( (Assembler::Condition)($cmp$$cmpcode), false, Assembler::ptr_cc, predict_taken, L);
2230     __ delayed()->nop();
2231   %}
2232 
2233   enc_class enc_fbp( Label labl, cmpOpF cmp, flagsRegF cc ) %{
2234     MacroAssembler _masm(&cbuf);
2235     Label &L = *($labl$$label);
2236     Assembler::Predict predict_taken =
2237       cbuf.is_backward_branch(L) ? Assembler::pt : Assembler::pn;
2238 
2239     __ fbp( (Assembler::Condition)($cmp$$cmpcode), false, (Assembler::CC)($cc$$reg), predict_taken, L);
2240     __ delayed()->nop();
2241   %}
2242 
2243   enc_class jump_enc( iRegX switch_val, o7RegI table) %{
2244     MacroAssembler _masm(&cbuf);
2245 
2246     Register switch_reg       = as_Register($switch_val$$reg);
2247     Register table_reg        = O7;
2248 
2249     address table_base = __ address_table_constant(_index2label);
2250     RelocationHolder rspec = internal_word_Relocation::spec(table_base);
2251 
2252     // Load table address
2253     Address the_pc(table_reg, table_base, rspec);
2254     __ load_address(the_pc);
2255 
2256     // Jump to base address + switch value
2257     __ ld_ptr(table_reg, switch_reg, table_reg);
2258     __ jmp(table_reg, G0);
2259     __ delayed()->nop();
2260 
2261   %}
2262 
2263   enc_class enc_ba( Label labl ) %{
2264     MacroAssembler _masm(&cbuf);
2265     Label &L = *($labl$$label);
2266     __ ba(false, L);
2267     __ delayed()->nop();
2268   %}
2269 
2270   enc_class enc_bpr( Label labl, cmpOp_reg cmp, iRegI op1 ) %{
2271     MacroAssembler _masm(&cbuf);
2272     Label &L = *$labl$$label;
2273     Assembler::Predict predict_taken =
2274       cbuf.is_backward_branch(L) ? Assembler::pt : Assembler::pn;
2275 
2276     __ bpr( (Assembler::RCondition)($cmp$$cmpcode), false, predict_taken, as_Register($op1$$reg), L);
2277     __ delayed()->nop();
2278   %}
2279 
2280   enc_class enc_cmov_reg( cmpOp cmp, iRegI dst, iRegI src, immI pcc) %{
2281     int op = (Assembler::arith_op << 30) |
2282              ($dst$$reg << 25) |
2283              (Assembler::movcc_op3 << 19) |
2284              (1 << 18) |                    // cc2 bit for 'icc'
2285              ($cmp$$cmpcode << 14) |
2286              (0 << 13) |                    // select register move
2287              ($pcc$$constant << 11) |       // cc1, cc0 bits for 'icc' or 'xcc'
2288              ($src$$reg << 0);
2289     *((int*)(cbuf.code_end())) = op;
2290     cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
2291   %}
2292 
2293   enc_class enc_cmov_imm( cmpOp cmp, iRegI dst, immI11 src, immI pcc ) %{
2294     int simm11 = $src$$constant & ((1<<11)-1); // Mask to 11 bits
2295     int op = (Assembler::arith_op << 30) |
2296              ($dst$$reg << 25) |
2297              (Assembler::movcc_op3 << 19) |
2298              (1 << 18) |                    // cc2 bit for 'icc'
2299              ($cmp$$cmpcode << 14) |
2300              (1 << 13) |                    // select immediate move
2301              ($pcc$$constant << 11) |       // cc1, cc0 bits for 'icc'
2302              (simm11 << 0);
2303     *((int*)(cbuf.code_end())) = op;
2304     cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
2305   %}
2306 
2307   enc_class enc_cmov_reg_f( cmpOpF cmp, iRegI dst, iRegI src, flagsRegF fcc ) %{
2308     int op = (Assembler::arith_op << 30) |
2309              ($dst$$reg << 25) |
2310              (Assembler::movcc_op3 << 19) |
2311              (0 << 18) |                    // cc2 bit for 'fccX'
2312              ($cmp$$cmpcode << 14) |
2313              (0 << 13) |                    // select register move
2314              ($fcc$$reg << 11) |            // cc1, cc0 bits for fcc0-fcc3
2315              ($src$$reg << 0);
2316     *((int*)(cbuf.code_end())) = op;
2317     cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
2318   %}
2319 
2320   enc_class enc_cmov_imm_f( cmpOp cmp, iRegI dst, immI11 src, flagsRegF fcc ) %{
2321     int simm11 = $src$$constant & ((1<<11)-1); // Mask to 11 bits
2322     int op = (Assembler::arith_op << 30) |
2323              ($dst$$reg << 25) |
2324              (Assembler::movcc_op3 << 19) |
2325              (0 << 18) |                    // cc2 bit for 'fccX'
2326              ($cmp$$cmpcode << 14) |
2327              (1 << 13) |                    // select immediate move
2328              ($fcc$$reg << 11) |            // cc1, cc0 bits for fcc0-fcc3
2329              (simm11 << 0);
2330     *((int*)(cbuf.code_end())) = op;
2331     cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
2332   %}
2333 
2334   enc_class enc_cmovf_reg( cmpOp cmp, regD dst, regD src, immI pcc ) %{
2335     int op = (Assembler::arith_op << 30) |
2336              ($dst$$reg << 25) |
2337              (Assembler::fpop2_op3 << 19) |
2338              (0 << 18) |
2339              ($cmp$$cmpcode << 14) |
2340              (1 << 13) |                    // select register move
2341              ($pcc$$constant << 11) |       // cc1-cc0 bits for 'icc' or 'xcc'
2342              ($primary << 5) |              // select single, double or quad
2343              ($src$$reg << 0);
2344     *((int*)(cbuf.code_end())) = op;
2345     cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
2346   %}
2347 
2348   enc_class enc_cmovff_reg( cmpOpF cmp, flagsRegF fcc, regD dst, regD src ) %{
2349     int op = (Assembler::arith_op << 30) |
2350              ($dst$$reg << 25) |
2351              (Assembler::fpop2_op3 << 19) |
2352              (0 << 18) |
2353              ($cmp$$cmpcode << 14) |
2354              ($fcc$$reg << 11) |            // cc2-cc0 bits for 'fccX'
2355              ($primary << 5) |              // select single, double or quad
2356              ($src$$reg << 0);
2357     *((int*)(cbuf.code_end())) = op;
2358     cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
2359   %}
2360 
2361   // Used by the MIN/MAX encodings.  Same as a CMOV, but
2362   // the condition comes from opcode-field instead of an argument.
2363   enc_class enc_cmov_reg_minmax( iRegI dst, iRegI src ) %{
2364     int op = (Assembler::arith_op << 30) |
2365              ($dst$$reg << 25) |
2366              (Assembler::movcc_op3 << 19) |
2367              (1 << 18) |                    // cc2 bit for 'icc'
2368              ($primary << 14) |
2369              (0 << 13) |                    // select register move
2370              (0 << 11) |                    // cc1, cc0 bits for 'icc'
2371              ($src$$reg << 0);
2372     *((int*)(cbuf.code_end())) = op;
2373     cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
2374   %}
2375 
2376   enc_class enc_cmov_reg_minmax_long( iRegL dst, iRegL src ) %{
2377     int op = (Assembler::arith_op << 30) |
2378              ($dst$$reg << 25) |
2379              (Assembler::movcc_op3 << 19) |
2380              (6 << 16) |                    // cc2 bit for 'xcc'
2381              ($primary << 14) |
2382              (0 << 13) |                    // select register move
2383              (0 << 11) |                    // cc1, cc0 bits for 'icc'
2384              ($src$$reg << 0);
2385     *((int*)(cbuf.code_end())) = op;
2386     cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
2387   %}
2388 
2389   // Utility encoding for loading a 64 bit Pointer into a register
2390   // The 64 bit pointer is stored in the generated code stream
2391   enc_class SetPtr( immP src, iRegP rd ) %{
2392     Register dest = reg_to_register_object($rd$$reg);
2393     // [RGV] This next line should be generated from ADLC
2394     if ( _opnds[1]->constant_is_oop() ) {
2395       intptr_t val = $src$$constant;
2396       MacroAssembler _masm(&cbuf);
2397       __ set_oop_constant((jobject)val, dest);
2398     } else {          // non-oop pointers, e.g. card mark base, heap top
2399       emit_ptr(cbuf, $src$$constant, dest, /*ForceRelocatable=*/ false);
2400     }
2401   %}
2402 
2403   enc_class Set13( immI13 src, iRegI rd ) %{
2404     emit3_simm13( cbuf, Assembler::arith_op, $rd$$reg, Assembler::or_op3, 0, $src$$constant );
2405   %}
2406 
2407   enc_class SetHi22( immI src, iRegI rd ) %{
2408     emit2_22( cbuf, Assembler::branch_op, $rd$$reg, Assembler::sethi_op2, $src$$constant );
2409   %}
2410 
2411   enc_class Set32( immI src, iRegI rd ) %{
2412     MacroAssembler _masm(&cbuf);
2413     __ set($src$$constant, reg_to_register_object($rd$$reg));
2414   %}
2415 
2416   enc_class SetNull( iRegI rd ) %{
2417     emit3_simm13( cbuf, Assembler::arith_op, $rd$$reg, Assembler::or_op3, 0, 0 );
2418   %}
2419 
2420   enc_class call_epilog %{
2421     if( VerifyStackAtCalls ) {
2422       MacroAssembler _masm(&cbuf);
2423       int framesize = ra_->C->frame_slots() << LogBytesPerInt;
2424       Register temp_reg = G3;
2425       __ add(SP, framesize, temp_reg);
2426       __ cmp(temp_reg, FP);
2427       __ breakpoint_trap(Assembler::notEqual, Assembler::ptr_cc);
2428     }
2429   %}
2430 
2431   // Long values come back from native calls in O0:O1 in the 32-bit VM, copy the value
2432   // to G1 so the register allocator will not have to deal with the misaligned register
2433   // pair.
2434   enc_class adjust_long_from_native_call %{
2435 #ifndef _LP64
2436     if (returns_long()) {
2437       //    sllx  O0,32,O0
2438       emit3_simm13( cbuf, Assembler::arith_op, R_O0_enc, Assembler::sllx_op3, R_O0_enc, 0x1020 );
2439       //    srl   O1,0,O1
2440       emit3_simm13( cbuf, Assembler::arith_op, R_O1_enc, Assembler::srl_op3, R_O1_enc, 0x0000 );
2441       //    or    O0,O1,G1
2442       emit3       ( cbuf, Assembler::arith_op, R_G1_enc, Assembler:: or_op3, R_O0_enc, 0, R_O1_enc );
2443     }
2444 #endif
2445   %}
2446 
2447   enc_class Java_To_Runtime (method meth) %{    // CALL Java_To_Runtime
2448     // CALL directly to the runtime
2449     // The user of this is responsible for ensuring that R_L7 is empty (killed).
2450     emit_call_reloc(cbuf, $meth$$method, relocInfo::runtime_call_type,
2451                     /*preserve_g2=*/true, /*force far call*/true);
2452   %}
2453 
2454   enc_class Java_Static_Call (method meth) %{    // JAVA STATIC CALL
2455     // CALL to fixup routine.  Fixup routine uses ScopeDesc info to determine
2456     // who we intended to call.
2457     if ( !_method ) {
2458       emit_call_reloc(cbuf, $meth$$method, relocInfo::runtime_call_type);
2459     } else if (_optimized_virtual) {
2460       emit_call_reloc(cbuf, $meth$$method, relocInfo::opt_virtual_call_type);
2461     } else {
2462       emit_call_reloc(cbuf, $meth$$method, relocInfo::static_call_type);
2463     }
2464     if( _method ) {  // Emit stub for static call
2465       emit_java_to_interp(cbuf);
2466     }
2467   %}
2468 
2469   enc_class Java_Dynamic_Call (method meth) %{    // JAVA DYNAMIC CALL
2470     MacroAssembler _masm(&cbuf);
2471     __ set_inst_mark();
2472     int vtable_index = this->_vtable_index;
2473     // MachCallDynamicJavaNode::ret_addr_offset uses this same test
2474     if (vtable_index < 0) {
2475       // must be invalid_vtable_index, not nonvirtual_vtable_index
2476       assert(vtable_index == methodOopDesc::invalid_vtable_index, "correct sentinel value");
2477       Register G5_ic_reg = reg_to_register_object(Matcher::inline_cache_reg_encode());
2478       assert(G5_ic_reg == G5_inline_cache_reg, "G5_inline_cache_reg used in assemble_ic_buffer_code()");
2479       assert(G5_ic_reg == G5_megamorphic_method, "G5_megamorphic_method used in megamorphic call stub");
2480       // !!!!!
2481       // Generate  "set 0x01, R_G5", placeholder instruction to load oop-info
2482       // emit_call_dynamic_prologue( cbuf );
2483       __ set_oop((jobject)Universe::non_oop_word(), G5_ic_reg);
2484 
2485       address  virtual_call_oop_addr = __ inst_mark();
2486       // CALL to fixup routine.  Fixup routine uses ScopeDesc info to determine
2487       // who we intended to call.
2488       __ relocate(virtual_call_Relocation::spec(virtual_call_oop_addr));
2489       emit_call_reloc(cbuf, $meth$$method, relocInfo::none);
2490     } else {
2491       assert(!UseInlineCaches, "expect vtable calls only if not using ICs");
2492       // Just go thru the vtable
2493       // get receiver klass (receiver already checked for non-null)
2494       // If we end up going thru a c2i adapter interpreter expects method in G5
2495       int off = __ offset();
2496       __ load_klass(O0, G3_scratch);
2497       int klass_load_size;
2498       if (UseCompressedOops) {
2499         klass_load_size = 3*BytesPerInstWord;
2500       } else {
2501         klass_load_size = 1*BytesPerInstWord;
2502       }
2503       int entry_offset = instanceKlass::vtable_start_offset() + vtable_index*vtableEntry::size();
2504       int v_off = entry_offset*wordSize + vtableEntry::method_offset_in_bytes();
2505       if( __ is_simm13(v_off) ) {
2506         __ ld_ptr(G3, v_off, G5_method);
2507       } else {
2508         // Generate 2 instructions
2509         __ Assembler::sethi(v_off & ~0x3ff, G5_method);
2510         __ or3(G5_method, v_off & 0x3ff, G5_method);
2511         // ld_ptr, set_hi, set
2512         assert(__ offset() - off == klass_load_size + 2*BytesPerInstWord,
2513                "Unexpected instruction size(s)");
2514         __ ld_ptr(G3, G5_method, G5_method);
2515       }
2516       // NOTE: for vtable dispatches, the vtable entry will never be null.
2517       // However it may very well end up in handle_wrong_method if the
2518       // method is abstract for the particular class.
2519       __ ld_ptr(G5_method, in_bytes(methodOopDesc::from_compiled_offset()), G3_scratch);
2520       // jump to target (either compiled code or c2iadapter)
2521       __ jmpl(G3_scratch, G0, O7);
2522       __ delayed()->nop();
2523     }
2524   %}
2525 
2526   enc_class Java_Compiled_Call (method meth) %{    // JAVA COMPILED CALL
2527     MacroAssembler _masm(&cbuf);
2528 
2529     Register G5_ic_reg = reg_to_register_object(Matcher::inline_cache_reg_encode());
2530     Register temp_reg = G3;   // caller must kill G3!  We cannot reuse G5_ic_reg here because
2531                               // we might be calling a C2I adapter which needs it.
2532 
2533     assert(temp_reg != G5_ic_reg, "conflicting registers");
2534     // Load nmethod
2535     __ ld_ptr(G5_ic_reg, in_bytes(methodOopDesc::from_compiled_offset()), temp_reg);
2536 
2537     // CALL to compiled java, indirect the contents of G3
2538     __ set_inst_mark();
2539     __ callr(temp_reg, G0);
2540     __ delayed()->nop();
2541   %}
2542 
2543 enc_class idiv_reg(iRegIsafe src1, iRegIsafe src2, iRegIsafe dst) %{
2544     MacroAssembler _masm(&cbuf);
2545     Register Rdividend = reg_to_register_object($src1$$reg);
2546     Register Rdivisor = reg_to_register_object($src2$$reg);
2547     Register Rresult = reg_to_register_object($dst$$reg);
2548 
2549     __ sra(Rdivisor, 0, Rdivisor);
2550     __ sra(Rdividend, 0, Rdividend);
2551     __ sdivx(Rdividend, Rdivisor, Rresult);
2552 %}
2553 
2554 enc_class idiv_imm(iRegIsafe src1, immI13 imm, iRegIsafe dst) %{
2555     MacroAssembler _masm(&cbuf);
2556 
2557     Register Rdividend = reg_to_register_object($src1$$reg);
2558     int divisor = $imm$$constant;
2559     Register Rresult = reg_to_register_object($dst$$reg);
2560 
2561     __ sra(Rdividend, 0, Rdividend);
2562     __ sdivx(Rdividend, divisor, Rresult);
2563 %}
2564 
2565 enc_class enc_mul_hi(iRegIsafe dst, iRegIsafe src1, iRegIsafe src2) %{
2566     MacroAssembler _masm(&cbuf);
2567     Register Rsrc1 = reg_to_register_object($src1$$reg);
2568     Register Rsrc2 = reg_to_register_object($src2$$reg);
2569     Register Rdst  = reg_to_register_object($dst$$reg);
2570 
2571     __ sra( Rsrc1, 0, Rsrc1 );
2572     __ sra( Rsrc2, 0, Rsrc2 );
2573     __ mulx( Rsrc1, Rsrc2, Rdst );
2574     __ srlx( Rdst, 32, Rdst );
2575 %}
2576 
2577 enc_class irem_reg(iRegIsafe src1, iRegIsafe src2, iRegIsafe dst, o7RegL scratch) %{
2578     MacroAssembler _masm(&cbuf);
2579     Register Rdividend = reg_to_register_object($src1$$reg);
2580     Register Rdivisor = reg_to_register_object($src2$$reg);
2581     Register Rresult = reg_to_register_object($dst$$reg);
2582     Register Rscratch = reg_to_register_object($scratch$$reg);
2583 
2584     assert(Rdividend != Rscratch, "");
2585     assert(Rdivisor  != Rscratch, "");
2586 
2587     __ sra(Rdividend, 0, Rdividend);
2588     __ sra(Rdivisor, 0, Rdivisor);
2589     __ sdivx(Rdividend, Rdivisor, Rscratch);
2590     __ mulx(Rscratch, Rdivisor, Rscratch);
2591     __ sub(Rdividend, Rscratch, Rresult);
2592 %}
2593 
2594 enc_class irem_imm(iRegIsafe src1, immI13 imm, iRegIsafe dst, o7RegL scratch) %{
2595     MacroAssembler _masm(&cbuf);
2596 
2597     Register Rdividend = reg_to_register_object($src1$$reg);
2598     int divisor = $imm$$constant;
2599     Register Rresult = reg_to_register_object($dst$$reg);
2600     Register Rscratch = reg_to_register_object($scratch$$reg);
2601 
2602     assert(Rdividend != Rscratch, "");
2603 
2604     __ sra(Rdividend, 0, Rdividend);
2605     __ sdivx(Rdividend, divisor, Rscratch);
2606     __ mulx(Rscratch, divisor, Rscratch);
2607     __ sub(Rdividend, Rscratch, Rresult);
2608 %}
2609 
2610 enc_class fabss (sflt_reg dst, sflt_reg src) %{
2611     MacroAssembler _masm(&cbuf);
2612 
2613     FloatRegister Fdst = reg_to_SingleFloatRegister_object($dst$$reg);
2614     FloatRegister Fsrc = reg_to_SingleFloatRegister_object($src$$reg);
2615 
2616     __ fabs(FloatRegisterImpl::S, Fsrc, Fdst);
2617 %}
2618 
2619 enc_class fabsd (dflt_reg dst, dflt_reg src) %{
2620     MacroAssembler _masm(&cbuf);
2621 
2622     FloatRegister Fdst = reg_to_DoubleFloatRegister_object($dst$$reg);
2623     FloatRegister Fsrc = reg_to_DoubleFloatRegister_object($src$$reg);
2624 
2625     __ fabs(FloatRegisterImpl::D, Fsrc, Fdst);
2626 %}
2627 
2628 enc_class fnegd (dflt_reg dst, dflt_reg src) %{
2629     MacroAssembler _masm(&cbuf);
2630 
2631     FloatRegister Fdst = reg_to_DoubleFloatRegister_object($dst$$reg);
2632     FloatRegister Fsrc = reg_to_DoubleFloatRegister_object($src$$reg);
2633 
2634     __ fneg(FloatRegisterImpl::D, Fsrc, Fdst);
2635 %}
2636 
2637 enc_class fsqrts (sflt_reg dst, sflt_reg src) %{
2638     MacroAssembler _masm(&cbuf);
2639 
2640     FloatRegister Fdst = reg_to_SingleFloatRegister_object($dst$$reg);
2641     FloatRegister Fsrc = reg_to_SingleFloatRegister_object($src$$reg);
2642 
2643     __ fsqrt(FloatRegisterImpl::S, Fsrc, Fdst);
2644 %}
2645 
2646 enc_class fsqrtd (dflt_reg dst, dflt_reg src) %{
2647     MacroAssembler _masm(&cbuf);
2648 
2649     FloatRegister Fdst = reg_to_DoubleFloatRegister_object($dst$$reg);
2650     FloatRegister Fsrc = reg_to_DoubleFloatRegister_object($src$$reg);
2651 
2652     __ fsqrt(FloatRegisterImpl::D, Fsrc, Fdst);
2653 %}
2654 
2655 enc_class fmovs (dflt_reg dst, dflt_reg src) %{
2656     MacroAssembler _masm(&cbuf);
2657 
2658     FloatRegister Fdst = reg_to_SingleFloatRegister_object($dst$$reg);
2659     FloatRegister Fsrc = reg_to_SingleFloatRegister_object($src$$reg);
2660 
2661     __ fmov(FloatRegisterImpl::S, Fsrc, Fdst);
2662 %}
2663 
2664 enc_class fmovd (dflt_reg dst, dflt_reg src) %{
2665     MacroAssembler _masm(&cbuf);
2666 
2667     FloatRegister Fdst = reg_to_DoubleFloatRegister_object($dst$$reg);
2668     FloatRegister Fsrc = reg_to_DoubleFloatRegister_object($src$$reg);
2669 
2670     __ fmov(FloatRegisterImpl::D, Fsrc, Fdst);
2671 %}
2672 
2673 enc_class Fast_Lock(iRegP oop, iRegP box, o7RegP scratch, iRegP scratch2) %{
2674     MacroAssembler _masm(&cbuf);
2675 
2676     Register Roop  = reg_to_register_object($oop$$reg);
2677     Register Rbox  = reg_to_register_object($box$$reg);
2678     Register Rscratch = reg_to_register_object($scratch$$reg);
2679     Register Rmark =    reg_to_register_object($scratch2$$reg);
2680 
2681     assert(Roop  != Rscratch, "");
2682     assert(Roop  != Rmark, "");
2683     assert(Rbox  != Rscratch, "");
2684     assert(Rbox  != Rmark, "");
2685 
2686     __ compiler_lock_object(Roop, Rmark, Rbox, Rscratch, _counters);
2687 %}
2688 
2689 enc_class Fast_Unlock(iRegP oop, iRegP box, o7RegP scratch, iRegP scratch2) %{
2690     MacroAssembler _masm(&cbuf);
2691 
2692     Register Roop  = reg_to_register_object($oop$$reg);
2693     Register Rbox  = reg_to_register_object($box$$reg);
2694     Register Rscratch = reg_to_register_object($scratch$$reg);
2695     Register Rmark =    reg_to_register_object($scratch2$$reg);
2696 
2697     assert(Roop  != Rscratch, "");
2698     assert(Roop  != Rmark, "");
2699     assert(Rbox  != Rscratch, "");
2700     assert(Rbox  != Rmark, "");
2701 
2702     __ compiler_unlock_object(Roop, Rmark, Rbox, Rscratch);
2703   %}
2704 
2705   enc_class enc_cas( iRegP mem, iRegP old, iRegP new ) %{
2706     MacroAssembler _masm(&cbuf);
2707     Register Rmem = reg_to_register_object($mem$$reg);
2708     Register Rold = reg_to_register_object($old$$reg);
2709     Register Rnew = reg_to_register_object($new$$reg);
2710 
2711     // casx_under_lock picks 1 of 3 encodings:
2712     // For 32-bit pointers you get a 32-bit CAS
2713     // For 64-bit pointers you get a 64-bit CASX
2714     __ casx_under_lock(Rmem, Rold, Rnew, // Swap(*Rmem,Rnew) if *Rmem == Rold
2715                         (address) StubRoutines::Sparc::atomic_memory_operation_lock_addr());
2716     __ cmp( Rold, Rnew );
2717   %}
2718 
2719   enc_class enc_casx( iRegP mem, iRegL old, iRegL new) %{
2720     Register Rmem = reg_to_register_object($mem$$reg);
2721     Register Rold = reg_to_register_object($old$$reg);
2722     Register Rnew = reg_to_register_object($new$$reg);
2723 
2724     MacroAssembler _masm(&cbuf);
2725     __ mov(Rnew, O7);
2726     __ casx(Rmem, Rold, O7);
2727     __ cmp( Rold, O7 );
2728   %}
2729 
2730   // raw int cas, used for compareAndSwap
2731   enc_class enc_casi( iRegP mem, iRegL old, iRegL new) %{
2732     Register Rmem = reg_to_register_object($mem$$reg);
2733     Register Rold = reg_to_register_object($old$$reg);
2734     Register Rnew = reg_to_register_object($new$$reg);
2735 
2736     MacroAssembler _masm(&cbuf);
2737     __ mov(Rnew, O7);
2738     __ cas(Rmem, Rold, O7);
2739     __ cmp( Rold, O7 );
2740   %}
2741 
2742   enc_class enc_lflags_ne_to_boolean( iRegI res ) %{
2743     Register Rres = reg_to_register_object($res$$reg);
2744 
2745     MacroAssembler _masm(&cbuf);
2746     __ mov(1, Rres);
2747     __ movcc( Assembler::notEqual, false, Assembler::xcc, G0, Rres );
2748   %}
2749 
2750   enc_class enc_iflags_ne_to_boolean( iRegI res ) %{
2751     Register Rres = reg_to_register_object($res$$reg);
2752 
2753     MacroAssembler _masm(&cbuf);
2754     __ mov(1, Rres);
2755     __ movcc( Assembler::notEqual, false, Assembler::icc, G0, Rres );
2756   %}
2757 
2758   enc_class floating_cmp ( iRegP dst, regF src1, regF src2 ) %{
2759     MacroAssembler _masm(&cbuf);
2760     Register Rdst = reg_to_register_object($dst$$reg);
2761     FloatRegister Fsrc1 = $primary ? reg_to_SingleFloatRegister_object($src1$$reg)
2762                                      : reg_to_DoubleFloatRegister_object($src1$$reg);
2763     FloatRegister Fsrc2 = $primary ? reg_to_SingleFloatRegister_object($src2$$reg)
2764                                      : reg_to_DoubleFloatRegister_object($src2$$reg);
2765 
2766     // Convert condition code fcc0 into -1,0,1; unordered reports less-than (-1)
2767     __ float_cmp( $primary, -1, Fsrc1, Fsrc2, Rdst);
2768   %}
2769 
2770   enc_class LdImmL (immL src, iRegL dst, o7RegL tmp) %{   // Load Immediate
2771     MacroAssembler _masm(&cbuf);
2772     Register dest = reg_to_register_object($dst$$reg);
2773     Register temp = reg_to_register_object($tmp$$reg);
2774     __ set64( $src$$constant, dest, temp );
2775   %}
2776 
2777   enc_class LdImmF(immF src, regF dst, o7RegP tmp) %{    // Load Immediate
2778     address float_address = MacroAssembler(&cbuf).float_constant($src$$constant);
2779     RelocationHolder rspec = internal_word_Relocation::spec(float_address);
2780 #ifdef _LP64
2781     Register   tmp_reg = reg_to_register_object($tmp$$reg);
2782     cbuf.relocate(cbuf.code_end(), rspec, 0);
2783     emit_ptr(cbuf, (intptr_t)float_address, tmp_reg, /*ForceRelocatable=*/ true);
2784     emit3_simm10( cbuf, Assembler::ldst_op, $dst$$reg, Assembler::ldf_op3, $tmp$$reg, 0 );
2785 #else  // _LP64
2786     uint *code;
2787     int tmp_reg = $tmp$$reg;
2788 
2789     cbuf.relocate(cbuf.code_end(), rspec, 0);
2790     emit2_22( cbuf, Assembler::branch_op, tmp_reg, Assembler::sethi_op2, (intptr_t) float_address );
2791 
2792     cbuf.relocate(cbuf.code_end(), rspec, 0);
2793     emit3_simm10( cbuf, Assembler::ldst_op, $dst$$reg, Assembler::ldf_op3, tmp_reg, (intptr_t) float_address );
2794 #endif // _LP64
2795   %}
2796 
2797   enc_class LdImmD(immD src, regD dst, o7RegP tmp) %{    // Load Immediate
2798     address double_address = MacroAssembler(&cbuf).double_constant($src$$constant);
2799     RelocationHolder rspec = internal_word_Relocation::spec(double_address);
2800 #ifdef _LP64
2801     Register   tmp_reg = reg_to_register_object($tmp$$reg);
2802     cbuf.relocate(cbuf.code_end(), rspec, 0);
2803     emit_ptr(cbuf, (intptr_t)double_address, tmp_reg, /*ForceRelocatable=*/ true);
2804     emit3_simm10( cbuf, Assembler::ldst_op, $dst$$reg, Assembler::lddf_op3, $tmp$$reg, 0 );
2805 #else // _LP64
2806     uint *code;
2807     int tmp_reg = $tmp$$reg;
2808 
2809     cbuf.relocate(cbuf.code_end(), rspec, 0);
2810     emit2_22( cbuf, Assembler::branch_op, tmp_reg, Assembler::sethi_op2, (intptr_t) double_address );
2811 
2812     cbuf.relocate(cbuf.code_end(), rspec, 0);
2813     emit3_simm10( cbuf, Assembler::ldst_op, $dst$$reg, Assembler::lddf_op3, tmp_reg, (intptr_t) double_address );
2814 #endif // _LP64
2815   %}
2816 
2817   enc_class LdReplImmI(immI src, regD dst, o7RegP tmp, int count, int width) %{
2818     // Load a constant replicated "count" times with width "width"
2819     int bit_width = $width$$constant * 8;
2820     jlong elt_val = $src$$constant;
2821     elt_val  &= (((jlong)1) << bit_width) - 1; // mask off sign bits
2822     jlong val = elt_val;
2823     for (int i = 0; i < $count$$constant - 1; i++) {
2824         val <<= bit_width;
2825         val |= elt_val;
2826     }
2827     jdouble dval = *(jdouble*)&val; // coerce to double type
2828     address double_address = MacroAssembler(&cbuf).double_constant(dval);
2829     RelocationHolder rspec = internal_word_Relocation::spec(double_address);
2830 #ifdef _LP64
2831     Register   tmp_reg = reg_to_register_object($tmp$$reg);
2832     cbuf.relocate(cbuf.code_end(), rspec, 0);
2833     emit_ptr(cbuf, (intptr_t)double_address, tmp_reg, /*ForceRelocatable=*/ true);
2834     emit3_simm10( cbuf, Assembler::ldst_op, $dst$$reg, Assembler::lddf_op3, $tmp$$reg, 0 );
2835 #else // _LP64
2836     uint *code;
2837     int tmp_reg = $tmp$$reg;
2838 
2839     cbuf.relocate(cbuf.code_end(), rspec, 0);
2840     emit2_22( cbuf, Assembler::branch_op, tmp_reg, Assembler::sethi_op2, (intptr_t) double_address );
2841 
2842     cbuf.relocate(cbuf.code_end(), rspec, 0);
2843     emit3_simm10( cbuf, Assembler::ldst_op, $dst$$reg, Assembler::lddf_op3, tmp_reg, (intptr_t) double_address );
2844 #endif // _LP64
2845   %}
2846 
2847 
2848   enc_class ShouldNotEncodeThis ( ) %{
2849     ShouldNotCallThis();
2850   %}
2851 
2852   // Compiler ensures base is doubleword aligned and cnt is count of doublewords
2853   enc_class enc_Clear_Array(iRegX cnt, iRegP base, iRegX temp) %{
2854     MacroAssembler _masm(&cbuf);
2855     Register    nof_bytes_arg   = reg_to_register_object($cnt$$reg);
2856     Register    nof_bytes_tmp    = reg_to_register_object($temp$$reg);
2857     Register    base_pointer_arg = reg_to_register_object($base$$reg);
2858 
2859     Label loop;
2860     __ mov(nof_bytes_arg, nof_bytes_tmp);
2861 
2862     // Loop and clear, walking backwards through the array.
2863     // nof_bytes_tmp (if >0) is always the number of bytes to zero
2864     __ bind(loop);
2865     __ deccc(nof_bytes_tmp, 8);
2866     __ br(Assembler::greaterEqual, true, Assembler::pt, loop);
2867     __ delayed()-> stx(G0, base_pointer_arg, nof_bytes_tmp);
2868     // %%%% this mini-loop must not cross a cache boundary!
2869   %}
2870 
2871 
2872   enc_class enc_String_Compare(o0RegP str1, o1RegP str2, g3RegP tmp1, g4RegP tmp2, notemp_iRegI result) %{
2873     Label Ldone, Lloop;
2874     MacroAssembler _masm(&cbuf);
2875 
2876     Register   str1_reg = reg_to_register_object($str1$$reg);
2877     Register   str2_reg = reg_to_register_object($str2$$reg);
2878     Register   tmp1_reg = reg_to_register_object($tmp1$$reg);
2879     Register   tmp2_reg = reg_to_register_object($tmp2$$reg);
2880     Register result_reg = reg_to_register_object($result$$reg);
2881 
2882     // Get the first character position in both strings
2883     //         [8] char array, [12] offset, [16] count
2884     int  value_offset = java_lang_String:: value_offset_in_bytes();
2885     int offset_offset = java_lang_String::offset_offset_in_bytes();
2886     int  count_offset = java_lang_String:: count_offset_in_bytes();
2887 
2888     // load str1 (jchar*) base address into tmp1_reg
2889     __ load_heap_oop(Address(str1_reg, 0,  value_offset), tmp1_reg);
2890     __ ld(Address(str1_reg, 0, offset_offset), result_reg);
2891     __ add(tmp1_reg, arrayOopDesc::base_offset_in_bytes(T_CHAR), tmp1_reg);
2892     __    ld(Address(str1_reg, 0, count_offset), str1_reg); // hoisted
2893     __ sll(result_reg, exact_log2(sizeof(jchar)), result_reg);
2894     __    load_heap_oop(Address(str2_reg, 0,  value_offset), tmp2_reg); // hoisted
2895     __ add(result_reg, tmp1_reg, tmp1_reg);
2896 
2897     // load str2 (jchar*) base address into tmp2_reg
2898     // __ ld_ptr(Address(str2_reg, 0,  value_offset), tmp2_reg); // hoisted
2899     __ ld(Address(str2_reg, 0, offset_offset), result_reg);
2900     __ add(tmp2_reg, arrayOopDesc::base_offset_in_bytes(T_CHAR), tmp2_reg);
2901     __    ld(Address(str2_reg, 0, count_offset), str2_reg); // hoisted
2902     __ sll(result_reg, exact_log2(sizeof(jchar)), result_reg);
2903     __   subcc(str1_reg, str2_reg, O7); // hoisted
2904     __ add(result_reg, tmp2_reg, tmp2_reg);
2905 
2906     // Compute the minimum of the string lengths(str1_reg) and the
2907     // difference of the string lengths (stack)
2908 
2909     // discard string base pointers, after loading up the lengths
2910     // __ ld(Address(str1_reg, 0, count_offset), str1_reg); // hoisted
2911     // __ ld(Address(str2_reg, 0, count_offset), str2_reg); // hoisted
2912 
2913     // See if the lengths are different, and calculate min in str1_reg.
2914     // Stash diff in O7 in case we need it for a tie-breaker.
2915     Label Lskip;
2916     // __ subcc(str1_reg, str2_reg, O7); // hoisted
2917     __ sll(str1_reg, exact_log2(sizeof(jchar)), str1_reg); // scale the limit
2918     __ br(Assembler::greater, true, Assembler::pt, Lskip);
2919     // str2 is shorter, so use its count:
2920     __ delayed()->sll(str2_reg, exact_log2(sizeof(jchar)), str1_reg); // scale the limit
2921     __ bind(Lskip);
2922 
2923     // reallocate str1_reg, str2_reg, result_reg
2924     // Note:  limit_reg holds the string length pre-scaled by 2
2925     Register limit_reg =   str1_reg;
2926     Register  chr2_reg =   str2_reg;
2927     Register  chr1_reg = result_reg;
2928     // tmp{12} are the base pointers
2929 
2930     // Is the minimum length zero?
2931     __ cmp(limit_reg, (int)(0 * sizeof(jchar))); // use cast to resolve overloading ambiguity
2932     __ br(Assembler::equal, true, Assembler::pn, Ldone);
2933     __ delayed()->mov(O7, result_reg);  // result is difference in lengths
2934 
2935     // Load first characters
2936     __ lduh(tmp1_reg, 0, chr1_reg);
2937     __ lduh(tmp2_reg, 0, chr2_reg);
2938 
2939     // Compare first characters
2940     __ subcc(chr1_reg, chr2_reg, chr1_reg);
2941     __ br(Assembler::notZero, false, Assembler::pt,  Ldone);
2942     assert(chr1_reg == result_reg, "result must be pre-placed");
2943     __ delayed()->nop();
2944 
2945     {
2946       // Check after comparing first character to see if strings are equivalent
2947       Label LSkip2;
2948       // Check if the strings start at same location
2949       __ cmp(tmp1_reg, tmp2_reg);
2950       __ brx(Assembler::notEqual, true, Assembler::pt, LSkip2);
2951       __ delayed()->nop();
2952 
2953       // Check if the length difference is zero (in O7)
2954       __ cmp(G0, O7);
2955       __ br(Assembler::equal, true, Assembler::pn, Ldone);
2956       __ delayed()->mov(G0, result_reg);  // result is zero
2957 
2958       // Strings might not be equal
2959       __ bind(LSkip2);
2960     }
2961 
2962     __ subcc(limit_reg, 1 * sizeof(jchar), chr1_reg);
2963     __ br(Assembler::equal, true, Assembler::pn, Ldone);
2964     __ delayed()->mov(O7, result_reg);  // result is difference in lengths
2965 
2966     // Shift tmp1_reg and tmp2_reg to the end of the arrays, negate limit
2967     __ add(tmp1_reg, limit_reg, tmp1_reg);
2968     __ add(tmp2_reg, limit_reg, tmp2_reg);
2969     __ neg(chr1_reg, limit_reg);  // limit = -(limit-2)
2970 
2971     // Compare the rest of the characters
2972     __ lduh(tmp1_reg, limit_reg, chr1_reg);
2973     __ bind(Lloop);
2974     // __ lduh(tmp1_reg, limit_reg, chr1_reg); // hoisted
2975     __ lduh(tmp2_reg, limit_reg, chr2_reg);
2976     __ subcc(chr1_reg, chr2_reg, chr1_reg);
2977     __ br(Assembler::notZero, false, Assembler::pt, Ldone);
2978     assert(chr1_reg == result_reg, "result must be pre-placed");
2979     __ delayed()->inccc(limit_reg, sizeof(jchar));
2980     // annul LDUH if branch is not taken to prevent access past end of string
2981     __ br(Assembler::notZero, true, Assembler::pt, Lloop);
2982     __ delayed()->lduh(tmp1_reg, limit_reg, chr1_reg); // hoisted
2983 
2984     // If strings are equal up to min length, return the length difference.
2985     __ mov(O7, result_reg);
2986 
2987     // Otherwise, return the difference between the first mismatched chars.
2988     __ bind(Ldone);
2989   %}
2990 
2991   enc_class enc_rethrow() %{
2992     cbuf.set_inst_mark();
2993     Register temp_reg = G3;
2994     Address rethrow_stub(temp_reg, OptoRuntime::rethrow_stub());
2995     assert(temp_reg != reg_to_register_object(R_I0_num), "temp must not break oop_reg");
2996     MacroAssembler _masm(&cbuf);
2997 #ifdef ASSERT
2998     __ save_frame(0);
2999     Address last_rethrow_addr(L1, (address)&last_rethrow);
3000     __ sethi(last_rethrow_addr);
3001     __ get_pc(L2);
3002     __ inc(L2, 3 * BytesPerInstWord);  // skip this & 2 more insns to point at jump_to
3003     __ st_ptr(L2, last_rethrow_addr);
3004     __ restore();
3005 #endif
3006     __ JUMP(rethrow_stub, 0); // sethi;jmp
3007     __ delayed()->nop();
3008   %}
3009 
3010   enc_class emit_mem_nop() %{
3011     // Generates the instruction LDUXA [o6,g0],#0x82,g0
3012     unsigned int *code = (unsigned int*)cbuf.code_end();
3013     *code = (unsigned int)0xc0839040;
3014     cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
3015   %}
3016 
3017   enc_class emit_fadd_nop() %{
3018     // Generates the instruction FMOVS f31,f31
3019     unsigned int *code = (unsigned int*)cbuf.code_end();
3020     *code = (unsigned int)0xbfa0003f;
3021     cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
3022   %}
3023 
3024   enc_class emit_br_nop() %{
3025     // Generates the instruction BPN,PN .
3026     unsigned int *code = (unsigned int*)cbuf.code_end();
3027     *code = (unsigned int)0x00400000;
3028     cbuf.set_code_end(cbuf.code_end() + BytesPerInstWord);
3029   %}
3030 
3031   enc_class enc_membar_acquire %{
3032     MacroAssembler _masm(&cbuf);
3033     __ membar( Assembler::Membar_mask_bits(Assembler::LoadStore | Assembler::LoadLoad) );
3034   %}
3035 
3036   enc_class enc_membar_release %{
3037     MacroAssembler _masm(&cbuf);
3038     __ membar( Assembler::Membar_mask_bits(Assembler::LoadStore | Assembler::StoreStore) );
3039   %}
3040 
3041   enc_class enc_membar_volatile %{
3042     MacroAssembler _masm(&cbuf);
3043     __ membar( Assembler::Membar_mask_bits(Assembler::StoreLoad) );
3044   %}
3045 
3046   enc_class enc_repl8b( iRegI src, iRegL dst ) %{
3047     MacroAssembler _masm(&cbuf);
3048     Register src_reg = reg_to_register_object($src$$reg);
3049     Register dst_reg = reg_to_register_object($dst$$reg);
3050     __ sllx(src_reg, 56, dst_reg);
3051     __ srlx(dst_reg,  8, O7);
3052     __ or3 (dst_reg, O7, dst_reg);
3053     __ srlx(dst_reg, 16, O7);
3054     __ or3 (dst_reg, O7, dst_reg);
3055     __ srlx(dst_reg, 32, O7);
3056     __ or3 (dst_reg, O7, dst_reg);
3057   %}
3058 
3059   enc_class enc_repl4b( iRegI src, iRegL dst ) %{
3060     MacroAssembler _masm(&cbuf);
3061     Register src_reg = reg_to_register_object($src$$reg);
3062     Register dst_reg = reg_to_register_object($dst$$reg);
3063     __ sll(src_reg, 24, dst_reg);
3064     __ srl(dst_reg,  8, O7);
3065     __ or3(dst_reg, O7, dst_reg);
3066     __ srl(dst_reg, 16, O7);
3067     __ or3(dst_reg, O7, dst_reg);
3068   %}
3069 
3070   enc_class enc_repl4s( iRegI src, iRegL dst ) %{
3071     MacroAssembler _masm(&cbuf);
3072     Register src_reg = reg_to_register_object($src$$reg);
3073     Register dst_reg = reg_to_register_object($dst$$reg);
3074     __ sllx(src_reg, 48, dst_reg);
3075     __ srlx(dst_reg, 16, O7);
3076     __ or3 (dst_reg, O7, dst_reg);
3077     __ srlx(dst_reg, 32, O7);
3078     __ or3 (dst_reg, O7, dst_reg);
3079   %}
3080 
3081   enc_class enc_repl2i( iRegI src, iRegL dst ) %{
3082     MacroAssembler _masm(&cbuf);
3083     Register src_reg = reg_to_register_object($src$$reg);
3084     Register dst_reg = reg_to_register_object($dst$$reg);
3085     __ sllx(src_reg, 32, dst_reg);
3086     __ srlx(dst_reg, 32, O7);
3087     __ or3 (dst_reg, O7, dst_reg);
3088   %}
3089 
3090 %}
3091 
3092 //----------FRAME--------------------------------------------------------------
3093 // Definition of frame structure and management information.
3094 //
3095 //  S T A C K   L A Y O U T    Allocators stack-slot number
3096 //                             |   (to get allocators register number
3097 //  G  Owned by    |        |  v    add VMRegImpl::stack0)
3098 //  r   CALLER     |        |
3099 //  o     |        +--------+      pad to even-align allocators stack-slot
3100 //  w     V        |  pad0  |        numbers; owned by CALLER
3101 //  t   -----------+--------+----> Matcher::_in_arg_limit, unaligned
3102 //  h     ^        |   in   |  5
3103 //        |        |  args  |  4   Holes in incoming args owned by SELF
3104 //  |     |        |        |  3
3105 //  |     |        +--------+
3106 //  V     |        | old out|      Empty on Intel, window on Sparc
3107 //        |    old |preserve|      Must be even aligned.
3108 //        |     SP-+--------+----> Matcher::_old_SP, 8 (or 16 in LP64)-byte aligned
3109 //        |        |   in   |  3   area for Intel ret address
3110 //     Owned by    |preserve|      Empty on Sparc.
3111 //       SELF      +--------+
3112 //        |        |  pad2  |  2   pad to align old SP
3113 //        |        +--------+  1
3114 //        |        | locks  |  0
3115 //        |        +--------+----> VMRegImpl::stack0, 8 (or 16 in LP64)-byte aligned
3116 //        |        |  pad1  | 11   pad to align new SP
3117 //        |        +--------+
3118 //        |        |        | 10
3119 //        |        | spills |  9   spills
3120 //        V        |        |  8   (pad0 slot for callee)
3121 //      -----------+--------+----> Matcher::_out_arg_limit, unaligned
3122 //        ^        |  out   |  7
3123 //        |        |  args  |  6   Holes in outgoing args owned by CALLEE
3124 //     Owned by    +--------+
3125 //      CALLEE     | new out|  6   Empty on Intel, window on Sparc
3126 //        |    new |preserve|      Must be even-aligned.
3127 //        |     SP-+--------+----> Matcher::_new_SP, even aligned
3128 //        |        |        |
3129 //
3130 // Note 1: Only region 8-11 is determined by the allocator.  Region 0-5 is
3131 //         known from SELF's arguments and the Java calling convention.
3132 //         Region 6-7 is determined per call site.
3133 // Note 2: If the calling convention leaves holes in the incoming argument
3134 //         area, those holes are owned by SELF.  Holes in the outgoing area
3135 //         are owned by the CALLEE.  Holes should not be nessecary in the
3136 //         incoming area, as the Java calling convention is completely under
3137 //         the control of the AD file.  Doubles can be sorted and packed to
3138 //         avoid holes.  Holes in the outgoing arguments may be nessecary for
3139 //         varargs C calling conventions.
3140 // Note 3: Region 0-3 is even aligned, with pad2 as needed.  Region 3-5 is
3141 //         even aligned with pad0 as needed.
3142 //         Region 6 is even aligned.  Region 6-7 is NOT even aligned;
3143 //         region 6-11 is even aligned; it may be padded out more so that
3144 //         the region from SP to FP meets the minimum stack alignment.
3145 
3146 frame %{
3147   // What direction does stack grow in (assumed to be same for native & Java)
3148   stack_direction(TOWARDS_LOW);
3149 
3150   // These two registers define part of the calling convention
3151   // between compiled code and the interpreter.
3152   inline_cache_reg(R_G5);                // Inline Cache Register or methodOop for I2C
3153   interpreter_method_oop_reg(R_G5);      // Method Oop Register when calling interpreter
3154 
3155   // Optional: name the operand used by cisc-spilling to access [stack_pointer + offset]
3156   cisc_spilling_operand_name(indOffset);
3157 
3158   // Number of stack slots consumed by a Monitor enter
3159 #ifdef _LP64
3160   sync_stack_slots(2);
3161 #else
3162   sync_stack_slots(1);
3163 #endif
3164 
3165   // Compiled code's Frame Pointer
3166   frame_pointer(R_SP);
3167 
3168   // Stack alignment requirement
3169   stack_alignment(StackAlignmentInBytes);
3170   //  LP64: Alignment size in bytes (128-bit -> 16 bytes)
3171   // !LP64: Alignment size in bytes (64-bit  ->  8 bytes)
3172 
3173   // Number of stack slots between incoming argument block and the start of
3174   // a new frame.  The PROLOG must add this many slots to the stack.  The
3175   // EPILOG must remove this many slots.
3176   in_preserve_stack_slots(0);
3177 
3178   // Number of outgoing stack slots killed above the out_preserve_stack_slots
3179   // for calls to C.  Supports the var-args backing area for register parms.
3180   // ADLC doesn't support parsing expressions, so I folded the math by hand.
3181 #ifdef _LP64
3182   // (callee_register_argument_save_area_words (6) + callee_aggregate_return_pointer_words (0)) * 2-stack-slots-per-word
3183   varargs_C_out_slots_killed(12);
3184 #else
3185   // (callee_register_argument_save_area_words (6) + callee_aggregate_return_pointer_words (1)) * 1-stack-slots-per-word
3186   varargs_C_out_slots_killed( 7);
3187 #endif
3188 
3189   // The after-PROLOG location of the return address.  Location of
3190   // return address specifies a type (REG or STACK) and a number
3191   // representing the register number (i.e. - use a register name) or
3192   // stack slot.
3193   return_addr(REG R_I7);          // Ret Addr is in register I7
3194 
3195   // Body of function which returns an OptoRegs array locating
3196   // arguments either in registers or in stack slots for calling
3197   // java
3198   calling_convention %{
3199     (void) SharedRuntime::java_calling_convention(sig_bt, regs, length, is_outgoing);
3200 
3201   %}
3202 
3203   // Body of function which returns an OptoRegs array locating
3204   // arguments either in registers or in stack slots for callin
3205   // C.
3206   c_calling_convention %{
3207     // This is obviously always outgoing
3208     (void) SharedRuntime::c_calling_convention(sig_bt, regs, length);
3209   %}
3210 
3211   // Location of native (C/C++) and interpreter return values.  This is specified to
3212   // be the  same as Java.  In the 32-bit VM, long values are actually returned from
3213   // native calls in O0:O1 and returned to the interpreter in I0:I1.  The copying
3214   // to and from the register pairs is done by the appropriate call and epilog
3215   // opcodes.  This simplifies the register allocator.
3216   c_return_value %{
3217     assert( ideal_reg >= Op_RegI && ideal_reg <= Op_RegL, "only return normal values" );
3218 #ifdef     _LP64
3219     static int lo_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_O0_num,     R_O0_num,     R_O0_num,     R_F0_num,     R_F0_num, R_O0_num };
3220     static int hi_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_O0H_num,    OptoReg::Bad, R_F1_num, R_O0H_num};
3221     static int lo_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_I0_num,     R_I0_num,     R_I0_num,     R_F0_num,     R_F0_num, R_I0_num };
3222     static int hi_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_I0H_num,    OptoReg::Bad, R_F1_num, R_I0H_num};
3223 #else  // !_LP64
3224     static int lo_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_O0_num,     R_O0_num,     R_O0_num,     R_F0_num,     R_F0_num, R_G1_num };
3225     static int hi_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_F1_num, R_G1H_num };
3226     static int lo_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_I0_num,     R_I0_num,     R_I0_num,     R_F0_num,     R_F0_num, R_G1_num };
3227     static int hi_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_F1_num, R_G1H_num };
3228 #endif
3229     return OptoRegPair( (is_outgoing?hi_out:hi_in)[ideal_reg],
3230                         (is_outgoing?lo_out:lo_in)[ideal_reg] );
3231   %}
3232 
3233   // Location of compiled Java return values.  Same as C
3234   return_value %{
3235     assert( ideal_reg >= Op_RegI && ideal_reg <= Op_RegL, "only return normal values" );
3236 #ifdef     _LP64
3237     static int lo_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_O0_num,     R_O0_num,     R_O0_num,     R_F0_num,     R_F0_num, R_O0_num };
3238     static int hi_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_O0H_num,    OptoReg::Bad, R_F1_num, R_O0H_num};
3239     static int lo_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_I0_num,     R_I0_num,     R_I0_num,     R_F0_num,     R_F0_num, R_I0_num };
3240     static int hi_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_I0H_num,    OptoReg::Bad, R_F1_num, R_I0H_num};
3241 #else  // !_LP64
3242     static int lo_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_O0_num,     R_O0_num,     R_O0_num,     R_F0_num,     R_F0_num, R_G1_num };
3243     static int hi_out[Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_F1_num, R_G1H_num};
3244     static int lo_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, R_I0_num,     R_I0_num,     R_I0_num,     R_F0_num,     R_F0_num, R_G1_num };
3245     static int hi_in [Op_RegL+1] = { OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, OptoReg::Bad, R_F1_num, R_G1H_num};
3246 #endif
3247     return OptoRegPair( (is_outgoing?hi_out:hi_in)[ideal_reg],
3248                         (is_outgoing?lo_out:lo_in)[ideal_reg] );
3249   %}
3250 
3251 %}
3252 
3253 
3254 //----------ATTRIBUTES---------------------------------------------------------
3255 //----------Operand Attributes-------------------------------------------------
3256 op_attrib op_cost(1);          // Required cost attribute
3257 
3258 //----------Instruction Attributes---------------------------------------------
3259 ins_attrib ins_cost(DEFAULT_COST); // Required cost attribute
3260 ins_attrib ins_size(32);       // Required size attribute (in bits)
3261 ins_attrib ins_pc_relative(0); // Required PC Relative flag
3262 ins_attrib ins_short_branch(0); // Required flag: is this instruction a
3263                                 // non-matching short branch variant of some
3264                                                             // long branch?
3265 
3266 //----------OPERANDS-----------------------------------------------------------
3267 // Operand definitions must precede instruction definitions for correct parsing
3268 // in the ADLC because operands constitute user defined types which are used in
3269 // instruction definitions.
3270 
3271 //----------Simple Operands----------------------------------------------------
3272 // Immediate Operands
3273 // Integer Immediate: 32-bit
3274 operand immI() %{
3275   match(ConI);
3276 
3277   op_cost(0);
3278   // formats are generated automatically for constants and base registers
3279   format %{ %}
3280   interface(CONST_INTER);
3281 %}
3282 
3283 // Integer Immediate: 13-bit
3284 operand immI13() %{
3285   predicate(Assembler::is_simm13(n->get_int()));
3286   match(ConI);
3287   op_cost(0);
3288 
3289   format %{ %}
3290   interface(CONST_INTER);
3291 %}
3292 
3293 // Unsigned (positive) Integer Immediate: 13-bit
3294 operand immU13() %{
3295   predicate((0 <= n->get_int()) && Assembler::is_simm13(n->get_int()));
3296   match(ConI);
3297   op_cost(0);
3298 
3299   format %{ %}
3300   interface(CONST_INTER);
3301 %}
3302 
3303 // Integer Immediate: 6-bit
3304 operand immU6() %{
3305   predicate(n->get_int() >= 0 && n->get_int() <= 63);
3306   match(ConI);
3307   op_cost(0);
3308   format %{ %}
3309   interface(CONST_INTER);
3310 %}
3311 
3312 // Integer Immediate: 11-bit
3313 operand immI11() %{
3314   predicate(Assembler::is_simm(n->get_int(),11));
3315   match(ConI);
3316   op_cost(0);
3317   format %{ %}
3318   interface(CONST_INTER);
3319 %}
3320 
3321 // Integer Immediate: 0-bit
3322 operand immI0() %{
3323   predicate(n->get_int() == 0);
3324   match(ConI);
3325   op_cost(0);
3326 
3327   format %{ %}
3328   interface(CONST_INTER);
3329 %}
3330 
3331 // Integer Immediate: the value 10
3332 operand immI10() %{
3333   predicate(n->get_int() == 10);
3334   match(ConI);
3335   op_cost(0);
3336 
3337   format %{ %}
3338   interface(CONST_INTER);
3339 %}
3340 
3341 // Integer Immediate: the values 0-31
3342 operand immU5() %{
3343   predicate(n->get_int() >= 0 && n->get_int() <= 31);
3344   match(ConI);
3345   op_cost(0);
3346 
3347   format %{ %}
3348   interface(CONST_INTER);
3349 %}
3350 
3351 // Integer Immediate: the values 1-31
3352 operand immI_1_31() %{
3353   predicate(n->get_int() >= 1 && n->get_int() <= 31);
3354   match(ConI);
3355   op_cost(0);
3356 
3357   format %{ %}
3358   interface(CONST_INTER);
3359 %}
3360 
3361 // Integer Immediate: the values 32-63
3362 operand immI_32_63() %{
3363   predicate(n->get_int() >= 32 && n->get_int() <= 63);
3364   match(ConI);
3365   op_cost(0);
3366 
3367   format %{ %}
3368   interface(CONST_INTER);
3369 %}
3370 
3371 // Integer Immediate: the value 255
3372 operand immI_255() %{
3373   predicate( n->get_int() == 255 );
3374   match(ConI);
3375   op_cost(0);
3376 
3377   format %{ %}
3378   interface(CONST_INTER);
3379 %}
3380 
3381 // Long Immediate: the value FF
3382 operand immL_FF() %{
3383   predicate( n->get_long() == 0xFFL );
3384   match(ConL);
3385   op_cost(0);
3386 
3387   format %{ %}
3388   interface(CONST_INTER);
3389 %}
3390 
3391 // Long Immediate: the value FFFF
3392 operand immL_FFFF() %{
3393   predicate( n->get_long() == 0xFFFFL );
3394   match(ConL);
3395   op_cost(0);
3396 
3397   format %{ %}
3398   interface(CONST_INTER);
3399 %}
3400 
3401 // Pointer Immediate: 32 or 64-bit
3402 operand immP() %{
3403   match(ConP);
3404 
3405   op_cost(5);
3406   // formats are generated automatically for constants and base registers
3407   format %{ %}
3408   interface(CONST_INTER);
3409 %}
3410 
3411 operand immP13() %{
3412   predicate((-4096 < n->get_ptr()) && (n->get_ptr() <= 4095));
3413   match(ConP);
3414   op_cost(0);
3415 
3416   format %{ %}
3417   interface(CONST_INTER);
3418 %}
3419 
3420 operand immP0() %{
3421   predicate(n->get_ptr() == 0);
3422   match(ConP);
3423   op_cost(0);
3424 
3425   format %{ %}
3426   interface(CONST_INTER);
3427 %}
3428 
3429 operand immP_poll() %{
3430   predicate(n->get_ptr() != 0 && n->get_ptr() == (intptr_t)os::get_polling_page());
3431   match(ConP);
3432 
3433   // formats are generated automatically for constants and base registers
3434   format %{ %}
3435   interface(CONST_INTER);
3436 %}
3437 
3438 // Pointer Immediate
3439 operand immN()
3440 %{
3441   match(ConN);
3442 
3443   op_cost(10);
3444   format %{ %}
3445   interface(CONST_INTER);
3446 %}
3447 
3448 // NULL Pointer Immediate
3449 operand immN0()
3450 %{
3451   predicate(n->get_narrowcon() == 0);
3452   match(ConN);
3453 
3454   op_cost(0);
3455   format %{ %}
3456   interface(CONST_INTER);
3457 %}
3458 
3459 operand immL() %{
3460   match(ConL);
3461   op_cost(40);
3462   // formats are generated automatically for constants and base registers
3463   format %{ %}
3464   interface(CONST_INTER);
3465 %}
3466 
3467 operand immL0() %{
3468   predicate(n->get_long() == 0L);
3469   match(ConL);
3470   op_cost(0);
3471   // formats are generated automatically for constants and base registers
3472   format %{ %}
3473   interface(CONST_INTER);
3474 %}
3475 
3476 // Long Immediate: 13-bit
3477 operand immL13() %{
3478   predicate((-4096L < n->get_long()) && (n->get_long() <= 4095L));
3479   match(ConL);
3480   op_cost(0);
3481 
3482   format %{ %}
3483   interface(CONST_INTER);
3484 %}
3485 
3486 // Long Immediate: low 32-bit mask
3487 operand immL_32bits() %{
3488   predicate(n->get_long() == 0xFFFFFFFFL);
3489   match(ConL);
3490   op_cost(0);
3491 
3492   format %{ %}
3493   interface(CONST_INTER);
3494 %}
3495 
3496 // Double Immediate
3497 operand immD() %{
3498   match(ConD);
3499 
3500   op_cost(40);
3501   format %{ %}
3502   interface(CONST_INTER);
3503 %}
3504 
3505 operand immD0() %{
3506 #ifdef _LP64
3507   // on 64-bit architectures this comparision is faster
3508   predicate(jlong_cast(n->getd()) == 0);
3509 #else
3510   predicate((n->getd() == 0) && (fpclass(n->getd()) == FP_PZERO));
3511 #endif
3512   match(ConD);
3513 
3514   op_cost(0);
3515   format %{ %}
3516   interface(CONST_INTER);
3517 %}
3518 
3519 // Float Immediate
3520 operand immF() %{
3521   match(ConF);
3522 
3523   op_cost(20);
3524   format %{ %}
3525   interface(CONST_INTER);
3526 %}
3527 
3528 // Float Immediate: 0
3529 operand immF0() %{
3530   predicate((n->getf() == 0) && (fpclass(n->getf()) == FP_PZERO));
3531   match(ConF);
3532 
3533   op_cost(0);
3534   format %{ %}
3535   interface(CONST_INTER);
3536 %}
3537 
3538 // Integer Register Operands
3539 // Integer Register
3540 operand iRegI() %{
3541   constraint(ALLOC_IN_RC(int_reg));
3542   match(RegI);
3543 
3544   match(notemp_iRegI);
3545   match(g1RegI);
3546   match(o0RegI);
3547   match(iRegIsafe);
3548 
3549   format %{ %}
3550   interface(REG_INTER);
3551 %}
3552 
3553 operand notemp_iRegI() %{
3554   constraint(ALLOC_IN_RC(notemp_int_reg));
3555   match(RegI);
3556 
3557   match(o0RegI);
3558 
3559   format %{ %}
3560   interface(REG_INTER);
3561 %}
3562 
3563 operand o0RegI() %{
3564   constraint(ALLOC_IN_RC(o0_regI));
3565   match(iRegI);
3566 
3567   format %{ %}
3568   interface(REG_INTER);
3569 %}
3570 
3571 // Pointer Register
3572 operand iRegP() %{
3573   constraint(ALLOC_IN_RC(ptr_reg));
3574   match(RegP);
3575 
3576   match(lock_ptr_RegP);
3577   match(g1RegP);
3578   match(g2RegP);
3579   match(g3RegP);
3580   match(g4RegP);
3581   match(i0RegP);
3582   match(o0RegP);
3583   match(o1RegP);
3584   match(l7RegP);
3585 
3586   format %{ %}
3587   interface(REG_INTER);
3588 %}
3589 
3590 operand sp_ptr_RegP() %{
3591   constraint(ALLOC_IN_RC(sp_ptr_reg));
3592   match(RegP);
3593   match(iRegP);
3594 
3595   format %{ %}
3596   interface(REG_INTER);
3597 %}
3598 
3599 operand lock_ptr_RegP() %{
3600   constraint(ALLOC_IN_RC(lock_ptr_reg));
3601   match(RegP);
3602   match(i0RegP);
3603   match(o0RegP);
3604   match(o1RegP);
3605   match(l7RegP);
3606 
3607   format %{ %}
3608   interface(REG_INTER);
3609 %}
3610 
3611 operand g1RegP() %{
3612   constraint(ALLOC_IN_RC(g1_regP));
3613   match(iRegP);
3614 
3615   format %{ %}
3616   interface(REG_INTER);
3617 %}
3618 
3619 operand g2RegP() %{
3620   constraint(ALLOC_IN_RC(g2_regP));
3621   match(iRegP);
3622 
3623   format %{ %}
3624   interface(REG_INTER);
3625 %}
3626 
3627 operand g3RegP() %{
3628   constraint(ALLOC_IN_RC(g3_regP));
3629   match(iRegP);
3630 
3631   format %{ %}
3632   interface(REG_INTER);
3633 %}
3634 
3635 operand g1RegI() %{
3636   constraint(ALLOC_IN_RC(g1_regI));
3637   match(iRegI);
3638 
3639   format %{ %}
3640   interface(REG_INTER);
3641 %}
3642 
3643 operand g3RegI() %{
3644   constraint(ALLOC_IN_RC(g3_regI));
3645   match(iRegI);
3646 
3647   format %{ %}
3648   interface(REG_INTER);
3649 %}
3650 
3651 operand g4RegI() %{
3652   constraint(ALLOC_IN_RC(g4_regI));
3653   match(iRegI);
3654 
3655   format %{ %}
3656   interface(REG_INTER);
3657 %}
3658 
3659 operand g4RegP() %{
3660   constraint(ALLOC_IN_RC(g4_regP));
3661   match(iRegP);
3662 
3663   format %{ %}
3664   interface(REG_INTER);
3665 %}
3666 
3667 operand i0RegP() %{
3668   constraint(ALLOC_IN_RC(i0_regP));
3669   match(iRegP);
3670 
3671   format %{ %}
3672   interface(REG_INTER);
3673 %}
3674 
3675 operand o0RegP() %{
3676   constraint(ALLOC_IN_RC(o0_regP));
3677   match(iRegP);
3678 
3679   format %{ %}
3680   interface(REG_INTER);
3681 %}
3682 
3683 operand o1RegP() %{
3684   constraint(ALLOC_IN_RC(o1_regP));
3685   match(iRegP);
3686 
3687   format %{ %}
3688   interface(REG_INTER);
3689 %}
3690 
3691 operand o2RegP() %{
3692   constraint(ALLOC_IN_RC(o2_regP));
3693   match(iRegP);
3694 
3695   format %{ %}
3696   interface(REG_INTER);
3697 %}
3698 
3699 operand o7RegP() %{
3700   constraint(ALLOC_IN_RC(o7_regP));
3701   match(iRegP);
3702 
3703   format %{ %}
3704   interface(REG_INTER);
3705 %}
3706 
3707 operand l7RegP() %{
3708   constraint(ALLOC_IN_RC(l7_regP));
3709   match(iRegP);
3710 
3711   format %{ %}
3712   interface(REG_INTER);
3713 %}
3714 
3715 operand o7RegI() %{
3716   constraint(ALLOC_IN_RC(o7_regI));
3717   match(iRegI);
3718 
3719   format %{ %}
3720   interface(REG_INTER);
3721 %}
3722 
3723 operand iRegN() %{
3724   constraint(ALLOC_IN_RC(int_reg));
3725   match(RegN);
3726 
3727   format %{ %}
3728   interface(REG_INTER);
3729 %}
3730 
3731 // Long Register
3732 operand iRegL() %{
3733   constraint(ALLOC_IN_RC(long_reg));
3734   match(RegL);
3735 
3736   format %{ %}
3737   interface(REG_INTER);
3738 %}
3739 
3740 operand o2RegL() %{
3741   constraint(ALLOC_IN_RC(o2_regL));
3742   match(iRegL);
3743 
3744   format %{ %}
3745   interface(REG_INTER);
3746 %}
3747 
3748 operand o7RegL() %{
3749   constraint(ALLOC_IN_RC(o7_regL));
3750   match(iRegL);
3751 
3752   format %{ %}
3753   interface(REG_INTER);
3754 %}
3755 
3756 operand g1RegL() %{
3757   constraint(ALLOC_IN_RC(g1_regL));
3758   match(iRegL);
3759 
3760   format %{ %}
3761   interface(REG_INTER);
3762 %}
3763 
3764 // Int Register safe
3765 // This is 64bit safe
3766 operand iRegIsafe() %{
3767   constraint(ALLOC_IN_RC(long_reg));
3768 
3769   match(iRegI);
3770 
3771   format %{ %}
3772   interface(REG_INTER);
3773 %}
3774 
3775 // Condition Code Flag Register
3776 operand flagsReg() %{
3777   constraint(ALLOC_IN_RC(int_flags));
3778   match(RegFlags);
3779 
3780   format %{ "ccr" %} // both ICC and XCC
3781   interface(REG_INTER);
3782 %}
3783 
3784 // Condition Code Register, unsigned comparisons.
3785 operand flagsRegU() %{
3786   constraint(ALLOC_IN_RC(int_flags));
3787   match(RegFlags);
3788 
3789   format %{ "icc_U" %}
3790   interface(REG_INTER);
3791 %}
3792 
3793 // Condition Code Register, pointer comparisons.
3794 operand flagsRegP() %{
3795   constraint(ALLOC_IN_RC(int_flags));
3796   match(RegFlags);
3797 
3798 #ifdef _LP64
3799   format %{ "xcc_P" %}
3800 #else
3801   format %{ "icc_P" %}
3802 #endif
3803   interface(REG_INTER);
3804 %}
3805 
3806 // Condition Code Register, long comparisons.
3807 operand flagsRegL() %{
3808   constraint(ALLOC_IN_RC(int_flags));
3809   match(RegFlags);
3810 
3811   format %{ "xcc_L" %}
3812   interface(REG_INTER);
3813 %}
3814 
3815 // Condition Code Register, floating comparisons, unordered same as "less".
3816 operand flagsRegF() %{
3817   constraint(ALLOC_IN_RC(float_flags));
3818   match(RegFlags);
3819   match(flagsRegF0);
3820 
3821   format %{ %}
3822   interface(REG_INTER);
3823 %}
3824 
3825 operand flagsRegF0() %{
3826   constraint(ALLOC_IN_RC(float_flag0));
3827   match(RegFlags);
3828 
3829   format %{ %}
3830   interface(REG_INTER);
3831 %}
3832 
3833 
3834 // Condition Code Flag Register used by long compare
3835 operand flagsReg_long_LTGE() %{
3836   constraint(ALLOC_IN_RC(int_flags));
3837   match(RegFlags);
3838   format %{ "icc_LTGE" %}
3839   interface(REG_INTER);
3840 %}
3841 operand flagsReg_long_EQNE() %{
3842   constraint(ALLOC_IN_RC(int_flags));
3843   match(RegFlags);
3844   format %{ "icc_EQNE" %}
3845   interface(REG_INTER);
3846 %}
3847 operand flagsReg_long_LEGT() %{
3848   constraint(ALLOC_IN_RC(int_flags));
3849   match(RegFlags);
3850   format %{ "icc_LEGT" %}
3851   interface(REG_INTER);
3852 %}
3853 
3854 
3855 operand regD() %{
3856   constraint(ALLOC_IN_RC(dflt_reg));
3857   match(RegD);
3858 
3859   format %{ %}
3860   interface(REG_INTER);
3861 %}
3862 
3863 operand regF() %{
3864   constraint(ALLOC_IN_RC(sflt_reg));
3865   match(RegF);
3866 
3867   format %{ %}
3868   interface(REG_INTER);
3869 %}
3870 
3871 operand regD_low() %{
3872   constraint(ALLOC_IN_RC(dflt_low_reg));
3873   match(RegD);
3874 
3875   format %{ %}
3876   interface(REG_INTER);
3877 %}
3878 
3879 // Special Registers
3880 
3881 // Method Register
3882 operand inline_cache_regP(iRegP reg) %{
3883   constraint(ALLOC_IN_RC(g5_regP)); // G5=inline_cache_reg but uses 2 bits instead of 1
3884   match(reg);
3885   format %{ %}
3886   interface(REG_INTER);
3887 %}
3888 
3889 operand interpreter_method_oop_regP(iRegP reg) %{
3890   constraint(ALLOC_IN_RC(g5_regP)); // G5=interpreter_method_oop_reg but uses 2 bits instead of 1
3891   match(reg);
3892   format %{ %}
3893   interface(REG_INTER);
3894 %}
3895 
3896 
3897 //----------Complex Operands---------------------------------------------------
3898 // Indirect Memory Reference
3899 operand indirect(sp_ptr_RegP reg) %{
3900   constraint(ALLOC_IN_RC(sp_ptr_reg));
3901   match(reg);
3902 
3903   op_cost(100);
3904   format %{ "[$reg]" %}
3905   interface(MEMORY_INTER) %{
3906     base($reg);
3907     index(0x0);
3908     scale(0x0);
3909     disp(0x0);
3910   %}
3911 %}
3912 
3913 // Indirect with Offset
3914 operand indOffset13(sp_ptr_RegP reg, immX13 offset) %{
3915   constraint(ALLOC_IN_RC(sp_ptr_reg));
3916   match(AddP reg offset);
3917 
3918   op_cost(100);
3919   format %{ "[$reg + $offset]" %}
3920   interface(MEMORY_INTER) %{
3921     base($reg);
3922     index(0x0);
3923     scale(0x0);
3924     disp($offset);
3925   %}
3926 %}
3927 
3928 // Note:  Intel has a swapped version also, like this:
3929 //operand indOffsetX(iRegI reg, immP offset) %{
3930 //  constraint(ALLOC_IN_RC(int_reg));
3931 //  match(AddP offset reg);
3932 //
3933 //  op_cost(100);
3934 //  format %{ "[$reg + $offset]" %}
3935 //  interface(MEMORY_INTER) %{
3936 //    base($reg);
3937 //    index(0x0);
3938 //    scale(0x0);
3939 //    disp($offset);
3940 //  %}
3941 //%}
3942 //// However, it doesn't make sense for SPARC, since
3943 // we have no particularly good way to embed oops in
3944 // single instructions.
3945 
3946 // Indirect with Register Index
3947 operand indIndex(iRegP addr, iRegX index) %{
3948   constraint(ALLOC_IN_RC(ptr_reg));
3949   match(AddP addr index);
3950 
3951   op_cost(100);
3952   format %{ "[$addr + $index]" %}
3953   interface(MEMORY_INTER) %{
3954     base($addr);
3955     index($index);
3956     scale(0x0);
3957     disp(0x0);
3958   %}
3959 %}
3960 
3961 //----------Special Memory Operands--------------------------------------------
3962 // Stack Slot Operand - This operand is used for loading and storing temporary
3963 //                      values on the stack where a match requires a value to
3964 //                      flow through memory.
3965 operand stackSlotI(sRegI reg) %{
3966   constraint(ALLOC_IN_RC(stack_slots));
3967   op_cost(100);
3968   //match(RegI);
3969   format %{ "[$reg]" %}
3970   interface(MEMORY_INTER) %{
3971     base(0xE);   // R_SP
3972     index(0x0);
3973     scale(0x0);
3974     disp($reg);  // Stack Offset
3975   %}
3976 %}
3977 
3978 operand stackSlotP(sRegP reg) %{
3979   constraint(ALLOC_IN_RC(stack_slots));
3980   op_cost(100);
3981   //match(RegP);
3982   format %{ "[$reg]" %}
3983   interface(MEMORY_INTER) %{
3984     base(0xE);   // R_SP
3985     index(0x0);
3986     scale(0x0);
3987     disp($reg);  // Stack Offset
3988   %}
3989 %}
3990 
3991 operand stackSlotF(sRegF reg) %{
3992   constraint(ALLOC_IN_RC(stack_slots));
3993   op_cost(100);
3994   //match(RegF);
3995   format %{ "[$reg]" %}
3996   interface(MEMORY_INTER) %{
3997     base(0xE);   // R_SP
3998     index(0x0);
3999     scale(0x0);
4000     disp($reg);  // Stack Offset
4001   %}
4002 %}
4003 operand stackSlotD(sRegD reg) %{
4004   constraint(ALLOC_IN_RC(stack_slots));
4005   op_cost(100);
4006   //match(RegD);
4007   format %{ "[$reg]" %}
4008   interface(MEMORY_INTER) %{
4009     base(0xE);   // R_SP
4010     index(0x0);
4011     scale(0x0);
4012     disp($reg);  // Stack Offset
4013   %}
4014 %}
4015 operand stackSlotL(sRegL reg) %{
4016   constraint(ALLOC_IN_RC(stack_slots));
4017   op_cost(100);
4018   //match(RegL);
4019   format %{ "[$reg]" %}
4020   interface(MEMORY_INTER) %{
4021     base(0xE);   // R_SP
4022     index(0x0);
4023     scale(0x0);
4024     disp($reg);  // Stack Offset
4025   %}
4026 %}
4027 
4028 // Operands for expressing Control Flow
4029 // NOTE:  Label is a predefined operand which should not be redefined in
4030 //        the AD file.  It is generically handled within the ADLC.
4031 
4032 //----------Conditional Branch Operands----------------------------------------
4033 // Comparison Op  - This is the operation of the comparison, and is limited to
4034 //                  the following set of codes:
4035 //                  L (<), LE (<=), G (>), GE (>=), E (==), NE (!=)
4036 //
4037 // Other attributes of the comparison, such as unsignedness, are specified
4038 // by the comparison instruction that sets a condition code flags register.
4039 // That result is represented by a flags operand whose subtype is appropriate
4040 // to the unsignedness (etc.) of the comparison.
4041 //
4042 // Later, the instruction which matches both the Comparison Op (a Bool) and
4043 // the flags (produced by the Cmp) specifies the coding of the comparison op
4044 // by matching a specific subtype of Bool operand below, such as cmpOpU.
4045 
4046 operand cmpOp() %{
4047   match(Bool);
4048 
4049   format %{ "" %}
4050   interface(COND_INTER) %{
4051     equal(0x1);
4052     not_equal(0x9);
4053     less(0x3);
4054     greater_equal(0xB);
4055     less_equal(0x2);
4056     greater(0xA);
4057   %}
4058 %}
4059 
4060 // Comparison Op, unsigned
4061 operand cmpOpU() %{
4062   match(Bool);
4063 
4064   format %{ "u" %}
4065   interface(COND_INTER) %{
4066     equal(0x1);
4067     not_equal(0x9);
4068     less(0x5);
4069     greater_equal(0xD);
4070     less_equal(0x4);
4071     greater(0xC);
4072   %}
4073 %}
4074 
4075 // Comparison Op, pointer (same as unsigned)
4076 operand cmpOpP() %{
4077   match(Bool);
4078 
4079   format %{ "p" %}
4080   interface(COND_INTER) %{
4081     equal(0x1);
4082     not_equal(0x9);
4083     less(0x5);
4084     greater_equal(0xD);
4085     less_equal(0x4);
4086     greater(0xC);
4087   %}
4088 %}
4089 
4090 // Comparison Op, branch-register encoding
4091 operand cmpOp_reg() %{
4092   match(Bool);
4093 
4094   format %{ "" %}
4095   interface(COND_INTER) %{
4096     equal        (0x1);
4097     not_equal    (0x5);
4098     less         (0x3);
4099     greater_equal(0x7);
4100     less_equal   (0x2);
4101     greater      (0x6);
4102   %}
4103 %}
4104 
4105 // Comparison Code, floating, unordered same as less
4106 operand cmpOpF() %{
4107   match(Bool);
4108 
4109   format %{ "fl" %}
4110   interface(COND_INTER) %{
4111     equal(0x9);
4112     not_equal(0x1);
4113     less(0x3);
4114     greater_equal(0xB);
4115     less_equal(0xE);
4116     greater(0x6);
4117   %}
4118 %}
4119 
4120 // Used by long compare
4121 operand cmpOp_commute() %{
4122   match(Bool);
4123 
4124   format %{ "" %}
4125   interface(COND_INTER) %{
4126     equal(0x1);
4127     not_equal(0x9);
4128     less(0xA);
4129     greater_equal(0x2);
4130     less_equal(0xB);
4131     greater(0x3);
4132   %}
4133 %}
4134 
4135 //----------OPERAND CLASSES----------------------------------------------------
4136 // Operand Classes are groups of operands that are used to simplify
4137 // instruction definitions by not requiring the AD writer to specify seperate
4138 // instructions for every form of operand when the instruction accepts
4139 // multiple operand types with the same basic encoding and format.  The classic
4140 // case of this is memory operands.
4141 // Indirect is not included since its use is limited to Compare & Swap
4142 opclass memory( indirect, indOffset13, indIndex );
4143 
4144 //----------PIPELINE-----------------------------------------------------------
4145 pipeline %{
4146 
4147 //----------ATTRIBUTES---------------------------------------------------------
4148 attributes %{
4149   fixed_size_instructions;           // Fixed size instructions
4150   branch_has_delay_slot;             // Branch has delay slot following
4151   max_instructions_per_bundle = 4;   // Up to 4 instructions per bundle
4152   instruction_unit_size = 4;         // An instruction is 4 bytes long
4153   instruction_fetch_unit_size = 16;  // The processor fetches one line
4154   instruction_fetch_units = 1;       // of 16 bytes
4155 
4156   // List of nop instructions
4157   nops( Nop_A0, Nop_A1, Nop_MS, Nop_FA, Nop_BR );
4158 %}
4159 
4160 //----------RESOURCES----------------------------------------------------------
4161 // Resources are the functional units available to the machine
4162 resources(A0, A1, MS, BR, FA, FM, IDIV, FDIV, IALU = A0 | A1);
4163 
4164 //----------PIPELINE DESCRIPTION-----------------------------------------------
4165 // Pipeline Description specifies the stages in the machine's pipeline
4166 
4167 pipe_desc(A, P, F, B, I, J, S, R, E, C, M, W, X, T, D);
4168 
4169 //----------PIPELINE CLASSES---------------------------------------------------
4170 // Pipeline Classes describe the stages in which input and output are
4171 // referenced by the hardware pipeline.
4172 
4173 // Integer ALU reg-reg operation
4174 pipe_class ialu_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
4175     single_instruction;
4176     dst   : E(write);
4177     src1  : R(read);
4178     src2  : R(read);
4179     IALU  : R;
4180 %}
4181 
4182 // Integer ALU reg-reg long operation
4183 pipe_class ialu_reg_reg_2(iRegL dst, iRegL src1, iRegL src2) %{
4184     instruction_count(2);
4185     dst   : E(write);
4186     src1  : R(read);
4187     src2  : R(read);
4188     IALU  : R;
4189     IALU  : R;
4190 %}
4191 
4192 // Integer ALU reg-reg long dependent operation
4193 pipe_class ialu_reg_reg_2_dep(iRegL dst, iRegL src1, iRegL src2, flagsReg cr) %{
4194     instruction_count(1); multiple_bundles;
4195     dst   : E(write);
4196     src1  : R(read);
4197     src2  : R(read);
4198     cr    : E(write);
4199     IALU  : R(2);
4200 %}
4201 
4202 // Integer ALU reg-imm operaion
4203 pipe_class ialu_reg_imm(iRegI dst, iRegI src1, immI13 src2) %{
4204     single_instruction;
4205     dst   : E(write);
4206     src1  : R(read);
4207     IALU  : R;
4208 %}
4209 
4210 // Integer ALU reg-reg operation with condition code
4211 pipe_class ialu_cc_reg_reg(iRegI dst, iRegI src1, iRegI src2, flagsReg cr) %{
4212     single_instruction;
4213     dst   : E(write);
4214     cr    : E(write);
4215     src1  : R(read);
4216     src2  : R(read);
4217     IALU  : R;
4218 %}
4219 
4220 // Integer ALU reg-imm operation with condition code
4221 pipe_class ialu_cc_reg_imm(iRegI dst, iRegI src1, immI13 src2, flagsReg cr) %{
4222     single_instruction;
4223     dst   : E(write);
4224     cr    : E(write);
4225     src1  : R(read);
4226     IALU  : R;
4227 %}
4228 
4229 // Integer ALU zero-reg operation
4230 pipe_class ialu_zero_reg(iRegI dst, immI0 zero, iRegI src2) %{
4231     single_instruction;
4232     dst   : E(write);
4233     src2  : R(read);
4234     IALU  : R;
4235 %}
4236 
4237 // Integer ALU zero-reg operation with condition code only
4238 pipe_class ialu_cconly_zero_reg(flagsReg cr, iRegI src) %{
4239     single_instruction;
4240     cr    : E(write);
4241     src   : R(read);
4242     IALU  : R;
4243 %}
4244 
4245 // Integer ALU reg-reg operation with condition code only
4246 pipe_class ialu_cconly_reg_reg(flagsReg cr, iRegI src1, iRegI src2) %{
4247     single_instruction;
4248     cr    : E(write);
4249     src1  : R(read);
4250     src2  : R(read);
4251     IALU  : R;
4252 %}
4253 
4254 // Integer ALU reg-imm operation with condition code only
4255 pipe_class ialu_cconly_reg_imm(flagsReg cr, iRegI src1, immI13 src2) %{
4256     single_instruction;
4257     cr    : E(write);
4258     src1  : R(read);
4259     IALU  : R;
4260 %}
4261 
4262 // Integer ALU reg-reg-zero operation with condition code only
4263 pipe_class ialu_cconly_reg_reg_zero(flagsReg cr, iRegI src1, iRegI src2, immI0 zero) %{
4264     single_instruction;
4265     cr    : E(write);
4266     src1  : R(read);
4267     src2  : R(read);
4268     IALU  : R;
4269 %}
4270 
4271 // Integer ALU reg-imm-zero operation with condition code only
4272 pipe_class ialu_cconly_reg_imm_zero(flagsReg cr, iRegI src1, immI13 src2, immI0 zero) %{
4273     single_instruction;
4274     cr    : E(write);
4275     src1  : R(read);
4276     IALU  : R;
4277 %}
4278 
4279 // Integer ALU reg-reg operation with condition code, src1 modified
4280 pipe_class ialu_cc_rwreg_reg(flagsReg cr, iRegI src1, iRegI src2) %{
4281     single_instruction;
4282     cr    : E(write);
4283     src1  : E(write);
4284     src1  : R(read);
4285     src2  : R(read);
4286     IALU  : R;
4287 %}
4288 
4289 // Integer ALU reg-imm operation with condition code, src1 modified
4290 pipe_class ialu_cc_rwreg_imm(flagsReg cr, iRegI src1, immI13 src2) %{
4291     single_instruction;
4292     cr    : E(write);
4293     src1  : E(write);
4294     src1  : R(read);
4295     IALU  : R;
4296 %}
4297 
4298 pipe_class cmpL_reg(iRegI dst, iRegL src1, iRegL src2, flagsReg cr ) %{
4299     multiple_bundles;
4300     dst   : E(write)+4;
4301     cr    : E(write);
4302     src1  : R(read);
4303     src2  : R(read);
4304     IALU  : R(3);
4305     BR    : R(2);
4306 %}
4307 
4308 // Integer ALU operation
4309 pipe_class ialu_none(iRegI dst) %{
4310     single_instruction;
4311     dst   : E(write);
4312     IALU  : R;
4313 %}
4314 
4315 // Integer ALU reg operation
4316 pipe_class ialu_reg(iRegI dst, iRegI src) %{
4317     single_instruction; may_have_no_code;
4318     dst   : E(write);
4319     src   : R(read);
4320     IALU  : R;
4321 %}
4322 
4323 // Integer ALU reg conditional operation
4324 // This instruction has a 1 cycle stall, and cannot execute
4325 // in the same cycle as the instruction setting the condition
4326 // code. We kludge this by pretending to read the condition code
4327 // 1 cycle earlier, and by marking the functional units as busy
4328 // for 2 cycles with the result available 1 cycle later than
4329 // is really the case.
4330 pipe_class ialu_reg_flags( iRegI op2_out, iRegI op2_in, iRegI op1, flagsReg cr ) %{
4331     single_instruction;
4332     op2_out : C(write);
4333     op1     : R(read);
4334     cr      : R(read);       // This is really E, with a 1 cycle stall
4335     BR      : R(2);
4336     MS      : R(2);
4337 %}
4338 
4339 #ifdef _LP64
4340 pipe_class ialu_clr_and_mover( iRegI dst, iRegP src ) %{
4341     instruction_count(1); multiple_bundles;
4342     dst     : C(write)+1;
4343     src     : R(read)+1;
4344     IALU    : R(1);
4345     BR      : E(2);
4346     MS      : E(2);
4347 %}
4348 #endif
4349 
4350 // Integer ALU reg operation
4351 pipe_class ialu_move_reg_L_to_I(iRegI dst, iRegL src) %{
4352     single_instruction; may_have_no_code;
4353     dst   : E(write);
4354     src   : R(read);
4355     IALU  : R;
4356 %}
4357 pipe_class ialu_move_reg_I_to_L(iRegL dst, iRegI src) %{
4358     single_instruction; may_have_no_code;
4359     dst   : E(write);
4360     src   : R(read);
4361     IALU  : R;
4362 %}
4363 
4364 // Two integer ALU reg operations
4365 pipe_class ialu_reg_2(iRegL dst, iRegL src) %{
4366     instruction_count(2);
4367     dst   : E(write);
4368     src   : R(read);
4369     A0    : R;
4370     A1    : R;
4371 %}
4372 
4373 // Two integer ALU reg operations
4374 pipe_class ialu_move_reg_L_to_L(iRegL dst, iRegL src) %{
4375     instruction_count(2); may_have_no_code;
4376     dst   : E(write);
4377     src   : R(read);
4378     A0    : R;
4379     A1    : R;
4380 %}
4381 
4382 // Integer ALU imm operation
4383 pipe_class ialu_imm(iRegI dst, immI13 src) %{
4384     single_instruction;
4385     dst   : E(write);
4386     IALU  : R;
4387 %}
4388 
4389 // Integer ALU reg-reg with carry operation
4390 pipe_class ialu_reg_reg_cy(iRegI dst, iRegI src1, iRegI src2, iRegI cy) %{
4391     single_instruction;
4392     dst   : E(write);
4393     src1  : R(read);
4394     src2  : R(read);
4395     IALU  : R;
4396 %}
4397 
4398 // Integer ALU cc operation
4399 pipe_class ialu_cc(iRegI dst, flagsReg cc) %{
4400     single_instruction;
4401     dst   : E(write);
4402     cc    : R(read);
4403     IALU  : R;
4404 %}
4405 
4406 // Integer ALU cc / second IALU operation
4407 pipe_class ialu_reg_ialu( iRegI dst, iRegI src ) %{
4408     instruction_count(1); multiple_bundles;
4409     dst   : E(write)+1;
4410     src   : R(read);
4411     IALU  : R;
4412 %}
4413 
4414 // Integer ALU cc / second IALU operation
4415 pipe_class ialu_reg_reg_ialu( iRegI dst, iRegI p, iRegI q ) %{
4416     instruction_count(1); multiple_bundles;
4417     dst   : E(write)+1;
4418     p     : R(read);
4419     q     : R(read);
4420     IALU  : R;
4421 %}
4422 
4423 // Integer ALU hi-lo-reg operation
4424 pipe_class ialu_hi_lo_reg(iRegI dst, immI src) %{
4425     instruction_count(1); multiple_bundles;
4426     dst   : E(write)+1;
4427     IALU  : R(2);
4428 %}
4429 
4430 // Float ALU hi-lo-reg operation (with temp)
4431 pipe_class ialu_hi_lo_reg_temp(regF dst, immF src, g3RegP tmp) %{
4432     instruction_count(1); multiple_bundles;
4433     dst   : E(write)+1;
4434     IALU  : R(2);
4435 %}
4436 
4437 // Long Constant
4438 pipe_class loadConL( iRegL dst, immL src ) %{
4439     instruction_count(2); multiple_bundles;
4440     dst   : E(write)+1;
4441     IALU  : R(2);
4442     IALU  : R(2);
4443 %}
4444 
4445 // Pointer Constant
4446 pipe_class loadConP( iRegP dst, immP src ) %{
4447     instruction_count(0); multiple_bundles;
4448     fixed_latency(6);
4449 %}
4450 
4451 // Polling Address
4452 pipe_class loadConP_poll( iRegP dst, immP_poll src ) %{
4453 #ifdef _LP64
4454     instruction_count(0); multiple_bundles;
4455     fixed_latency(6);
4456 #else
4457     dst   : E(write);
4458     IALU  : R;
4459 #endif
4460 %}
4461 
4462 // Long Constant small
4463 pipe_class loadConLlo( iRegL dst, immL src ) %{
4464     instruction_count(2);
4465     dst   : E(write);
4466     IALU  : R;
4467     IALU  : R;
4468 %}
4469 
4470 // [PHH] This is wrong for 64-bit.  See LdImmF/D.
4471 pipe_class loadConFD(regF dst, immF src, g3RegP tmp) %{
4472     instruction_count(1); multiple_bundles;
4473     src   : R(read);
4474     dst   : M(write)+1;
4475     IALU  : R;
4476     MS    : E;
4477 %}
4478 
4479 // Integer ALU nop operation
4480 pipe_class ialu_nop() %{
4481     single_instruction;
4482     IALU  : R;
4483 %}
4484 
4485 // Integer ALU nop operation
4486 pipe_class ialu_nop_A0() %{
4487     single_instruction;
4488     A0    : R;
4489 %}
4490 
4491 // Integer ALU nop operation
4492 pipe_class ialu_nop_A1() %{
4493     single_instruction;
4494     A1    : R;
4495 %}
4496 
4497 // Integer Multiply reg-reg operation
4498 pipe_class imul_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
4499     single_instruction;
4500     dst   : E(write);
4501     src1  : R(read);
4502     src2  : R(read);
4503     MS    : R(5);
4504 %}
4505 
4506 // Integer Multiply reg-imm operation
4507 pipe_class imul_reg_imm(iRegI dst, iRegI src1, immI13 src2) %{
4508     single_instruction;
4509     dst   : E(write);
4510     src1  : R(read);
4511     MS    : R(5);
4512 %}
4513 
4514 pipe_class mulL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{
4515     single_instruction;
4516     dst   : E(write)+4;
4517     src1  : R(read);
4518     src2  : R(read);
4519     MS    : R(6);
4520 %}
4521 
4522 pipe_class mulL_reg_imm(iRegL dst, iRegL src1, immL13 src2) %{
4523     single_instruction;
4524     dst   : E(write)+4;
4525     src1  : R(read);
4526     MS    : R(6);
4527 %}
4528 
4529 // Integer Divide reg-reg
4530 pipe_class sdiv_reg_reg(iRegI dst, iRegI src1, iRegI src2, iRegI temp, flagsReg cr) %{
4531     instruction_count(1); multiple_bundles;
4532     dst   : E(write);
4533     temp  : E(write);
4534     src1  : R(read);
4535     src2  : R(read);
4536     temp  : R(read);
4537     MS    : R(38);
4538 %}
4539 
4540 // Integer Divide reg-imm
4541 pipe_class sdiv_reg_imm(iRegI dst, iRegI src1, immI13 src2, iRegI temp, flagsReg cr) %{
4542     instruction_count(1); multiple_bundles;
4543     dst   : E(write);
4544     temp  : E(write);
4545     src1  : R(read);
4546     temp  : R(read);
4547     MS    : R(38);
4548 %}
4549 
4550 // Long Divide
4551 pipe_class divL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{
4552     dst  : E(write)+71;
4553     src1 : R(read);
4554     src2 : R(read)+1;
4555     MS   : R(70);
4556 %}
4557 
4558 pipe_class divL_reg_imm(iRegL dst, iRegL src1, immL13 src2) %{
4559     dst  : E(write)+71;
4560     src1 : R(read);
4561     MS   : R(70);
4562 %}
4563 
4564 // Floating Point Add Float
4565 pipe_class faddF_reg_reg(regF dst, regF src1, regF src2) %{
4566     single_instruction;
4567     dst   : X(write);
4568     src1  : E(read);
4569     src2  : E(read);
4570     FA    : R;
4571 %}
4572 
4573 // Floating Point Add Double
4574 pipe_class faddD_reg_reg(regD dst, regD src1, regD src2) %{
4575     single_instruction;
4576     dst   : X(write);
4577     src1  : E(read);
4578     src2  : E(read);
4579     FA    : R;
4580 %}
4581 
4582 // Floating Point Conditional Move based on integer flags
4583 pipe_class int_conditional_float_move (cmpOp cmp, flagsReg cr, regF dst, regF src) %{
4584     single_instruction;
4585     dst   : X(write);
4586     src   : E(read);
4587     cr    : R(read);
4588     FA    : R(2);
4589     BR    : R(2);
4590 %}
4591 
4592 // Floating Point Conditional Move based on integer flags
4593 pipe_class int_conditional_double_move (cmpOp cmp, flagsReg cr, regD dst, regD src) %{
4594     single_instruction;
4595     dst   : X(write);
4596     src   : E(read);
4597     cr    : R(read);
4598     FA    : R(2);
4599     BR    : R(2);
4600 %}
4601 
4602 // Floating Point Multiply Float
4603 pipe_class fmulF_reg_reg(regF dst, regF src1, regF src2) %{
4604     single_instruction;
4605     dst   : X(write);
4606     src1  : E(read);
4607     src2  : E(read);
4608     FM    : R;
4609 %}
4610 
4611 // Floating Point Multiply Double
4612 pipe_class fmulD_reg_reg(regD dst, regD src1, regD src2) %{
4613     single_instruction;
4614     dst   : X(write);
4615     src1  : E(read);
4616     src2  : E(read);
4617     FM    : R;
4618 %}
4619 
4620 // Floating Point Divide Float
4621 pipe_class fdivF_reg_reg(regF dst, regF src1, regF src2) %{
4622     single_instruction;
4623     dst   : X(write);
4624     src1  : E(read);
4625     src2  : E(read);
4626     FM    : R;
4627     FDIV  : C(14);
4628 %}
4629 
4630 // Floating Point Divide Double
4631 pipe_class fdivD_reg_reg(regD dst, regD src1, regD src2) %{
4632     single_instruction;
4633     dst   : X(write);
4634     src1  : E(read);
4635     src2  : E(read);
4636     FM    : R;
4637     FDIV  : C(17);
4638 %}
4639 
4640 // Floating Point Move/Negate/Abs Float
4641 pipe_class faddF_reg(regF dst, regF src) %{
4642     single_instruction;
4643     dst   : W(write);
4644     src   : E(read);
4645     FA    : R(1);
4646 %}
4647 
4648 // Floating Point Move/Negate/Abs Double
4649 pipe_class faddD_reg(regD dst, regD src) %{
4650     single_instruction;
4651     dst   : W(write);
4652     src   : E(read);
4653     FA    : R;
4654 %}
4655 
4656 // Floating Point Convert F->D
4657 pipe_class fcvtF2D(regD dst, regF src) %{
4658     single_instruction;
4659     dst   : X(write);
4660     src   : E(read);
4661     FA    : R;
4662 %}
4663 
4664 // Floating Point Convert I->D
4665 pipe_class fcvtI2D(regD dst, regF src) %{
4666     single_instruction;
4667     dst   : X(write);
4668     src   : E(read);
4669     FA    : R;
4670 %}
4671 
4672 // Floating Point Convert LHi->D
4673 pipe_class fcvtLHi2D(regD dst, regD src) %{
4674     single_instruction;
4675     dst   : X(write);
4676     src   : E(read);
4677     FA    : R;
4678 %}
4679 
4680 // Floating Point Convert L->D
4681 pipe_class fcvtL2D(regD dst, regF src) %{
4682     single_instruction;
4683     dst   : X(write);
4684     src   : E(read);
4685     FA    : R;
4686 %}
4687 
4688 // Floating Point Convert L->F
4689 pipe_class fcvtL2F(regD dst, regF src) %{
4690     single_instruction;
4691     dst   : X(write);
4692     src   : E(read);
4693     FA    : R;
4694 %}
4695 
4696 // Floating Point Convert D->F
4697 pipe_class fcvtD2F(regD dst, regF src) %{
4698     single_instruction;
4699     dst   : X(write);
4700     src   : E(read);
4701     FA    : R;
4702 %}
4703 
4704 // Floating Point Convert I->L
4705 pipe_class fcvtI2L(regD dst, regF src) %{
4706     single_instruction;
4707     dst   : X(write);
4708     src   : E(read);
4709     FA    : R;
4710 %}
4711 
4712 // Floating Point Convert D->F
4713 pipe_class fcvtD2I(regF dst, regD src, flagsReg cr) %{
4714     instruction_count(1); multiple_bundles;
4715     dst   : X(write)+6;
4716     src   : E(read);
4717     FA    : R;
4718 %}
4719 
4720 // Floating Point Convert D->L
4721 pipe_class fcvtD2L(regD dst, regD src, flagsReg cr) %{
4722     instruction_count(1); multiple_bundles;
4723     dst   : X(write)+6;
4724     src   : E(read);
4725     FA    : R;
4726 %}
4727 
4728 // Floating Point Convert F->I
4729 pipe_class fcvtF2I(regF dst, regF src, flagsReg cr) %{
4730     instruction_count(1); multiple_bundles;
4731     dst   : X(write)+6;
4732     src   : E(read);
4733     FA    : R;
4734 %}
4735 
4736 // Floating Point Convert F->L
4737 pipe_class fcvtF2L(regD dst, regF src, flagsReg cr) %{
4738     instruction_count(1); multiple_bundles;
4739     dst   : X(write)+6;
4740     src   : E(read);
4741     FA    : R;
4742 %}
4743 
4744 // Floating Point Convert I->F
4745 pipe_class fcvtI2F(regF dst, regF src) %{
4746     single_instruction;
4747     dst   : X(write);
4748     src   : E(read);
4749     FA    : R;
4750 %}
4751 
4752 // Floating Point Compare
4753 pipe_class faddF_fcc_reg_reg_zero(flagsRegF cr, regF src1, regF src2, immI0 zero) %{
4754     single_instruction;
4755     cr    : X(write);
4756     src1  : E(read);
4757     src2  : E(read);
4758     FA    : R;
4759 %}
4760 
4761 // Floating Point Compare
4762 pipe_class faddD_fcc_reg_reg_zero(flagsRegF cr, regD src1, regD src2, immI0 zero) %{
4763     single_instruction;
4764     cr    : X(write);
4765     src1  : E(read);
4766     src2  : E(read);
4767     FA    : R;
4768 %}
4769 
4770 // Floating Add Nop
4771 pipe_class fadd_nop() %{
4772     single_instruction;
4773     FA  : R;
4774 %}
4775 
4776 // Integer Store to Memory
4777 pipe_class istore_mem_reg(memory mem, iRegI src) %{
4778     single_instruction;
4779     mem   : R(read);
4780     src   : C(read);
4781     MS    : R;
4782 %}
4783 
4784 // Integer Store to Memory
4785 pipe_class istore_mem_spORreg(memory mem, sp_ptr_RegP src) %{
4786     single_instruction;
4787     mem   : R(read);
4788     src   : C(read);
4789     MS    : R;
4790 %}
4791 
4792 // Integer Store Zero to Memory
4793 pipe_class istore_mem_zero(memory mem, immI0 src) %{
4794     single_instruction;
4795     mem   : R(read);
4796     MS    : R;
4797 %}
4798 
4799 // Special Stack Slot Store
4800 pipe_class istore_stk_reg(stackSlotI stkSlot, iRegI src) %{
4801     single_instruction;
4802     stkSlot : R(read);
4803     src     : C(read);
4804     MS      : R;
4805 %}
4806 
4807 // Special Stack Slot Store
4808 pipe_class lstoreI_stk_reg(stackSlotL stkSlot, iRegI src) %{
4809     instruction_count(2); multiple_bundles;
4810     stkSlot : R(read);
4811     src     : C(read);
4812     MS      : R(2);
4813 %}
4814 
4815 // Float Store
4816 pipe_class fstoreF_mem_reg(memory mem, RegF src) %{
4817     single_instruction;
4818     mem : R(read);
4819     src : C(read);
4820     MS  : R;
4821 %}
4822 
4823 // Float Store
4824 pipe_class fstoreF_mem_zero(memory mem, immF0 src) %{
4825     single_instruction;
4826     mem : R(read);
4827     MS  : R;
4828 %}
4829 
4830 // Double Store
4831 pipe_class fstoreD_mem_reg(memory mem, RegD src) %{
4832     instruction_count(1);
4833     mem : R(read);
4834     src : C(read);
4835     MS  : R;
4836 %}
4837 
4838 // Double Store
4839 pipe_class fstoreD_mem_zero(memory mem, immD0 src) %{
4840     single_instruction;
4841     mem : R(read);
4842     MS  : R;
4843 %}
4844 
4845 // Special Stack Slot Float Store
4846 pipe_class fstoreF_stk_reg(stackSlotI stkSlot, RegF src) %{
4847     single_instruction;
4848     stkSlot : R(read);
4849     src     : C(read);
4850     MS      : R;
4851 %}
4852 
4853 // Special Stack Slot Double Store
4854 pipe_class fstoreD_stk_reg(stackSlotI stkSlot, RegD src) %{
4855     single_instruction;
4856     stkSlot : R(read);
4857     src     : C(read);
4858     MS      : R;
4859 %}
4860 
4861 // Integer Load (when sign bit propagation not needed)
4862 pipe_class iload_mem(iRegI dst, memory mem) %{
4863     single_instruction;
4864     mem : R(read);
4865     dst : C(write);
4866     MS  : R;
4867 %}
4868 
4869 // Integer Load from stack operand
4870 pipe_class iload_stkD(iRegI dst, stackSlotD mem ) %{
4871     single_instruction;
4872     mem : R(read);
4873     dst : C(write);
4874     MS  : R;
4875 %}
4876 
4877 // Integer Load (when sign bit propagation or masking is needed)
4878 pipe_class iload_mask_mem(iRegI dst, memory mem) %{
4879     single_instruction;
4880     mem : R(read);
4881     dst : M(write);
4882     MS  : R;
4883 %}
4884 
4885 // Float Load
4886 pipe_class floadF_mem(regF dst, memory mem) %{
4887     single_instruction;
4888     mem : R(read);
4889     dst : M(write);
4890     MS  : R;
4891 %}
4892 
4893 // Float Load
4894 pipe_class floadD_mem(regD dst, memory mem) %{
4895     instruction_count(1); multiple_bundles; // Again, unaligned argument is only multiple case
4896     mem : R(read);
4897     dst : M(write);
4898     MS  : R;
4899 %}
4900 
4901 // Float Load
4902 pipe_class floadF_stk(regF dst, stackSlotI stkSlot) %{
4903     single_instruction;
4904     stkSlot : R(read);
4905     dst : M(write);
4906     MS  : R;
4907 %}
4908 
4909 // Float Load
4910 pipe_class floadD_stk(regD dst, stackSlotI stkSlot) %{
4911     single_instruction;
4912     stkSlot : R(read);
4913     dst : M(write);
4914     MS  : R;
4915 %}
4916 
4917 // Memory Nop
4918 pipe_class mem_nop() %{
4919     single_instruction;
4920     MS  : R;
4921 %}
4922 
4923 pipe_class sethi(iRegP dst, immI src) %{
4924     single_instruction;
4925     dst  : E(write);
4926     IALU : R;
4927 %}
4928 
4929 pipe_class loadPollP(iRegP poll) %{
4930     single_instruction;
4931     poll : R(read);
4932     MS   : R;
4933 %}
4934 
4935 pipe_class br(Universe br, label labl) %{
4936     single_instruction_with_delay_slot;
4937     BR  : R;
4938 %}
4939 
4940 pipe_class br_cc(Universe br, cmpOp cmp, flagsReg cr, label labl) %{
4941     single_instruction_with_delay_slot;
4942     cr    : E(read);
4943     BR    : R;
4944 %}
4945 
4946 pipe_class br_reg(Universe br, cmpOp cmp, iRegI op1, label labl) %{
4947     single_instruction_with_delay_slot;
4948     op1 : E(read);
4949     BR  : R;
4950     MS  : R;
4951 %}
4952 
4953 pipe_class br_fcc(Universe br, cmpOpF cc, flagsReg cr, label labl) %{
4954     single_instruction_with_delay_slot;
4955     cr    : E(read);
4956     BR    : R;
4957 %}
4958 
4959 pipe_class br_nop() %{
4960     single_instruction;
4961     BR  : R;
4962 %}
4963 
4964 pipe_class simple_call(method meth) %{
4965     instruction_count(2); multiple_bundles; force_serialization;
4966     fixed_latency(100);
4967     BR  : R(1);
4968     MS  : R(1);
4969     A0  : R(1);
4970 %}
4971 
4972 pipe_class compiled_call(method meth) %{
4973     instruction_count(1); multiple_bundles; force_serialization;
4974     fixed_latency(100);
4975     MS  : R(1);
4976 %}
4977 
4978 pipe_class call(method meth) %{
4979     instruction_count(0); multiple_bundles; force_serialization;
4980     fixed_latency(100);
4981 %}
4982 
4983 pipe_class tail_call(Universe ignore, label labl) %{
4984     single_instruction; has_delay_slot;
4985     fixed_latency(100);
4986     BR  : R(1);
4987     MS  : R(1);
4988 %}
4989 
4990 pipe_class ret(Universe ignore) %{
4991     single_instruction; has_delay_slot;
4992     BR  : R(1);
4993     MS  : R(1);
4994 %}
4995 
4996 pipe_class ret_poll(g3RegP poll) %{
4997     instruction_count(3); has_delay_slot;
4998     poll : E(read);
4999     MS   : R;
5000 %}
5001 
5002 // The real do-nothing guy
5003 pipe_class empty( ) %{
5004     instruction_count(0);
5005 %}
5006 
5007 pipe_class long_memory_op() %{
5008     instruction_count(0); multiple_bundles; force_serialization;
5009     fixed_latency(25);
5010     MS  : R(1);
5011 %}
5012 
5013 // Check-cast
5014 pipe_class partial_subtype_check_pipe(Universe ignore, iRegP array, iRegP match ) %{
5015     array : R(read);
5016     match  : R(read);
5017     IALU   : R(2);
5018     BR     : R(2);
5019     MS     : R;
5020 %}
5021 
5022 // Convert FPU flags into +1,0,-1
5023 pipe_class floating_cmp( iRegI dst, regF src1, regF src2 ) %{
5024     src1  : E(read);
5025     src2  : E(read);
5026     dst   : E(write);
5027     FA    : R;
5028     MS    : R(2);
5029     BR    : R(2);
5030 %}
5031 
5032 // Compare for p < q, and conditionally add y
5033 pipe_class cadd_cmpltmask( iRegI p, iRegI q, iRegI y ) %{
5034     p     : E(read);
5035     q     : E(read);
5036     y     : E(read);
5037     IALU  : R(3)
5038 %}
5039 
5040 // Perform a compare, then move conditionally in a branch delay slot.
5041 pipe_class min_max( iRegI src2, iRegI srcdst ) %{
5042     src2   : E(read);
5043     srcdst : E(read);
5044     IALU   : R;
5045     BR     : R;
5046 %}
5047 
5048 // Define the class for the Nop node
5049 define %{
5050    MachNop = ialu_nop;
5051 %}
5052 
5053 %}
5054 
5055 //----------INSTRUCTIONS-------------------------------------------------------
5056 
5057 //------------Special Stack Slot instructions - no match rules-----------------
5058 instruct stkI_to_regF(regF dst, stackSlotI src) %{
5059   // No match rule to avoid chain rule match.
5060   effect(DEF dst, USE src);
5061   ins_cost(MEMORY_REF_COST);
5062   size(4);
5063   format %{ "LDF    $src,$dst\t! stkI to regF" %}
5064   opcode(Assembler::ldf_op3);
5065   ins_encode(form3_mem_reg(src, dst));
5066   ins_pipe(floadF_stk);
5067 %}
5068 
5069 instruct stkL_to_regD(regD dst, stackSlotL src) %{
5070   // No match rule to avoid chain rule match.
5071   effect(DEF dst, USE src);
5072   ins_cost(MEMORY_REF_COST);
5073   size(4);
5074   format %{ "LDDF   $src,$dst\t! stkL to regD" %}
5075   opcode(Assembler::lddf_op3);
5076   ins_encode(form3_mem_reg(src, dst));
5077   ins_pipe(floadD_stk);
5078 %}
5079 
5080 instruct regF_to_stkI(stackSlotI dst, regF src) %{
5081   // No match rule to avoid chain rule match.
5082   effect(DEF dst, USE src);
5083   ins_cost(MEMORY_REF_COST);
5084   size(4);
5085   format %{ "STF    $src,$dst\t! regF to stkI" %}
5086   opcode(Assembler::stf_op3);
5087   ins_encode(form3_mem_reg(dst, src));
5088   ins_pipe(fstoreF_stk_reg);
5089 %}
5090 
5091 instruct regD_to_stkL(stackSlotL dst, regD src) %{
5092   // No match rule to avoid chain rule match.
5093   effect(DEF dst, USE src);
5094   ins_cost(MEMORY_REF_COST);
5095   size(4);
5096   format %{ "STDF   $src,$dst\t! regD to stkL" %}
5097   opcode(Assembler::stdf_op3);
5098   ins_encode(form3_mem_reg(dst, src));
5099   ins_pipe(fstoreD_stk_reg);
5100 %}
5101 
5102 instruct regI_to_stkLHi(stackSlotL dst, iRegI src) %{
5103   effect(DEF dst, USE src);
5104   ins_cost(MEMORY_REF_COST*2);
5105   size(8);
5106   format %{ "STW    $src,$dst.hi\t! long\n\t"
5107             "STW    R_G0,$dst.lo" %}
5108   opcode(Assembler::stw_op3);
5109   ins_encode(form3_mem_reg(dst, src), form3_mem_plus_4_reg(dst, R_G0));
5110   ins_pipe(lstoreI_stk_reg);
5111 %}
5112 
5113 instruct regL_to_stkD(stackSlotD dst, iRegL src) %{
5114   // No match rule to avoid chain rule match.
5115   effect(DEF dst, USE src);
5116   ins_cost(MEMORY_REF_COST);
5117   size(4);
5118   format %{ "STX    $src,$dst\t! regL to stkD" %}
5119   opcode(Assembler::stx_op3);
5120   ins_encode( form3_mem_reg( dst, src ) );
5121   ins_pipe(istore_stk_reg);
5122 %}
5123 
5124 //---------- Chain stack slots between similar types --------
5125 
5126 // Load integer from stack slot
5127 instruct stkI_to_regI( iRegI dst, stackSlotI src ) %{
5128   match(Set dst src);
5129   ins_cost(MEMORY_REF_COST);
5130 
5131   size(4);
5132   format %{ "LDUW   $src,$dst\t!stk" %}
5133   opcode(Assembler::lduw_op3);
5134   ins_encode( form3_mem_reg( src, dst ) );
5135   ins_pipe(iload_mem);
5136 %}
5137 
5138 // Store integer to stack slot
5139 instruct regI_to_stkI( stackSlotI dst, iRegI src ) %{
5140   match(Set dst src);
5141   ins_cost(MEMORY_REF_COST);
5142 
5143   size(4);
5144   format %{ "STW    $src,$dst\t!stk" %}
5145   opcode(Assembler::stw_op3);
5146   ins_encode( form3_mem_reg( dst, src ) );
5147   ins_pipe(istore_mem_reg);
5148 %}
5149 
5150 // Load long from stack slot
5151 instruct stkL_to_regL( iRegL dst, stackSlotL src ) %{
5152   match(Set dst src);
5153 
5154   ins_cost(MEMORY_REF_COST);
5155   size(4);
5156   format %{ "LDX    $src,$dst\t! long" %}
5157   opcode(Assembler::ldx_op3);
5158   ins_encode( form3_mem_reg( src, dst ) );
5159   ins_pipe(iload_mem);
5160 %}
5161 
5162 // Store long to stack slot
5163 instruct regL_to_stkL(stackSlotL dst, iRegL src) %{
5164   match(Set dst src);
5165 
5166   ins_cost(MEMORY_REF_COST);
5167   size(4);
5168   format %{ "STX    $src,$dst\t! long" %}
5169   opcode(Assembler::stx_op3);
5170   ins_encode( form3_mem_reg( dst, src ) );
5171   ins_pipe(istore_mem_reg);
5172 %}
5173 
5174 #ifdef _LP64
5175 // Load pointer from stack slot, 64-bit encoding
5176 instruct stkP_to_regP( iRegP dst, stackSlotP src ) %{
5177   match(Set dst src);
5178   ins_cost(MEMORY_REF_COST);
5179   size(4);
5180   format %{ "LDX    $src,$dst\t!ptr" %}
5181   opcode(Assembler::ldx_op3);
5182   ins_encode( form3_mem_reg( src, dst ) );
5183   ins_pipe(iload_mem);
5184 %}
5185 
5186 // Store pointer to stack slot
5187 instruct regP_to_stkP(stackSlotP dst, iRegP src) %{
5188   match(Set dst src);
5189   ins_cost(MEMORY_REF_COST);
5190   size(4);
5191   format %{ "STX    $src,$dst\t!ptr" %}
5192   opcode(Assembler::stx_op3);
5193   ins_encode( form3_mem_reg( dst, src ) );
5194   ins_pipe(istore_mem_reg);
5195 %}
5196 #else // _LP64
5197 // Load pointer from stack slot, 32-bit encoding
5198 instruct stkP_to_regP( iRegP dst, stackSlotP src ) %{
5199   match(Set dst src);
5200   ins_cost(MEMORY_REF_COST);
5201   format %{ "LDUW   $src,$dst\t!ptr" %}
5202   opcode(Assembler::lduw_op3, Assembler::ldst_op);
5203   ins_encode( form3_mem_reg( src, dst ) );
5204   ins_pipe(iload_mem);
5205 %}
5206 
5207 // Store pointer to stack slot
5208 instruct regP_to_stkP(stackSlotP dst, iRegP src) %{
5209   match(Set dst src);
5210   ins_cost(MEMORY_REF_COST);
5211   format %{ "STW    $src,$dst\t!ptr" %}
5212   opcode(Assembler::stw_op3, Assembler::ldst_op);
5213   ins_encode( form3_mem_reg( dst, src ) );
5214   ins_pipe(istore_mem_reg);
5215 %}
5216 #endif // _LP64
5217 
5218 //------------Special Nop instructions for bundling - no match rules-----------
5219 // Nop using the A0 functional unit
5220 instruct Nop_A0() %{
5221   ins_cost(0);
5222 
5223   format %{ "NOP    ! Alu Pipeline" %}
5224   opcode(Assembler::or_op3, Assembler::arith_op);
5225   ins_encode( form2_nop() );
5226   ins_pipe(ialu_nop_A0);
5227 %}
5228 
5229 // Nop using the A1 functional unit
5230 instruct Nop_A1( ) %{
5231   ins_cost(0);
5232 
5233   format %{ "NOP    ! Alu Pipeline" %}
5234   opcode(Assembler::or_op3, Assembler::arith_op);
5235   ins_encode( form2_nop() );
5236   ins_pipe(ialu_nop_A1);
5237 %}
5238 
5239 // Nop using the memory functional unit
5240 instruct Nop_MS( ) %{
5241   ins_cost(0);
5242 
5243   format %{ "NOP    ! Memory Pipeline" %}
5244   ins_encode( emit_mem_nop );
5245   ins_pipe(mem_nop);
5246 %}
5247 
5248 // Nop using the floating add functional unit
5249 instruct Nop_FA( ) %{
5250   ins_cost(0);
5251 
5252   format %{ "NOP    ! Floating Add Pipeline" %}
5253   ins_encode( emit_fadd_nop );
5254   ins_pipe(fadd_nop);
5255 %}
5256 
5257 // Nop using the branch functional unit
5258 instruct Nop_BR( ) %{
5259   ins_cost(0);
5260 
5261   format %{ "NOP    ! Branch Pipeline" %}
5262   ins_encode( emit_br_nop );
5263   ins_pipe(br_nop);
5264 %}
5265 
5266 //----------Load/Store/Move Instructions---------------------------------------
5267 //----------Load Instructions--------------------------------------------------
5268 // Load Byte (8bit signed)
5269 instruct loadB(iRegI dst, memory mem) %{
5270   match(Set dst (LoadB mem));
5271   ins_cost(MEMORY_REF_COST);
5272 
5273   size(4);
5274   format %{ "LDSB   $mem,$dst" %}
5275   opcode(Assembler::ldsb_op3);
5276   ins_encode( form3_mem_reg( mem, dst ) );
5277   ins_pipe(iload_mask_mem);
5278 %}
5279 
5280 // Load Byte (8bit UNsigned) into an int reg
5281 instruct loadUB(iRegI dst, memory mem, immI_255 bytemask) %{
5282   match(Set dst (AndI (LoadB mem) bytemask));
5283   ins_cost(MEMORY_REF_COST);
5284 
5285   size(4);
5286   format %{ "LDUB   $mem,$dst" %}
5287   opcode(Assembler::ldub_op3);
5288   ins_encode( form3_mem_reg( mem, dst ) );
5289   ins_pipe(iload_mask_mem);
5290 %}
5291 
5292 // Load Byte (8bit UNsigned) into a Long Register
5293 instruct loadUBL(iRegL dst, memory mem, immL_FF bytemask) %{
5294   match(Set dst (AndL (ConvI2L (LoadB mem)) bytemask));
5295   ins_cost(MEMORY_REF_COST);
5296 
5297   size(4);
5298   format %{ "LDUB   $mem,$dst" %}
5299   opcode(Assembler::ldub_op3);
5300   ins_encode( form3_mem_reg( mem, dst ) );
5301   ins_pipe(iload_mask_mem);
5302 %}
5303 
5304 // Load Char (16bit UNsigned) into a Long Register
5305 instruct loadUCL(iRegL dst, memory mem, immL_FFFF bytemask) %{
5306   match(Set dst (AndL (ConvI2L (LoadC mem)) bytemask));
5307   ins_cost(MEMORY_REF_COST);
5308 
5309   size(4);
5310   format %{ "LDUH   $mem,$dst" %}
5311   opcode(Assembler::lduh_op3);
5312   ins_encode( form3_mem_reg( mem, dst ) );
5313   ins_pipe(iload_mask_mem);
5314 %}
5315 
5316 // Load Char (16bit unsigned)
5317 instruct loadC(iRegI dst, memory mem) %{
5318   match(Set dst (LoadC mem));
5319   ins_cost(MEMORY_REF_COST);
5320 
5321   size(4);
5322   format %{ "LDUH   $mem,$dst" %}
5323   opcode(Assembler::lduh_op3);
5324   ins_encode( form3_mem_reg( mem, dst ) );
5325   ins_pipe(iload_mask_mem);
5326 %}
5327 
5328 // Load Integer
5329 instruct loadI(iRegI dst, memory mem) %{
5330   match(Set dst (LoadI mem));
5331   ins_cost(MEMORY_REF_COST);
5332   size(4);
5333 
5334   format %{ "LDUW   $mem,$dst" %}
5335   opcode(Assembler::lduw_op3);
5336   ins_encode( form3_mem_reg( mem, dst ) );
5337   ins_pipe(iload_mem);
5338 %}
5339 
5340 // Load Long - aligned
5341 instruct loadL(iRegL dst, memory mem ) %{
5342   match(Set dst (LoadL mem));
5343   ins_cost(MEMORY_REF_COST);
5344   size(4);
5345   format %{ "LDX    $mem,$dst\t! long" %}
5346   opcode(Assembler::ldx_op3);
5347   ins_encode( form3_mem_reg( mem, dst ) );
5348   ins_pipe(iload_mem);
5349 %}
5350 
5351 // Load Long - UNaligned
5352 instruct loadL_unaligned(iRegL dst, memory mem, o7RegI tmp) %{
5353   match(Set dst (LoadL_unaligned mem));
5354   effect(KILL tmp);
5355   ins_cost(MEMORY_REF_COST*2+DEFAULT_COST);
5356   size(16);
5357   format %{ "LDUW   $mem+4,R_O7\t! misaligned long\n"
5358           "\tLDUW   $mem  ,$dst\n"
5359           "\tSLLX   #32, $dst, $dst\n"
5360           "\tOR     $dst, R_O7, $dst" %}
5361   opcode(Assembler::lduw_op3);
5362   ins_encode( form3_mem_reg_long_unaligned_marshal( mem, dst ));
5363   ins_pipe(iload_mem);
5364 %}
5365 
5366 // Load Aligned Packed Byte into a Double Register
5367 instruct loadA8B(regD dst, memory mem) %{
5368   match(Set dst (Load8B mem));
5369   ins_cost(MEMORY_REF_COST);
5370   size(4);
5371   format %{ "LDDF   $mem,$dst\t! packed8B" %}
5372   opcode(Assembler::lddf_op3);
5373   ins_encode( form3_mem_reg( mem, dst ) );
5374   ins_pipe(floadD_mem);
5375 %}
5376 
5377 // Load Aligned Packed Char into a Double Register
5378 instruct loadA4C(regD dst, memory mem) %{
5379   match(Set dst (Load4C mem));
5380   ins_cost(MEMORY_REF_COST);
5381   size(4);
5382   format %{ "LDDF   $mem,$dst\t! packed4C" %}
5383   opcode(Assembler::lddf_op3);
5384   ins_encode( form3_mem_reg( mem, dst ) );
5385   ins_pipe(floadD_mem);
5386 %}
5387 
5388 // Load Aligned Packed Short into a Double Register
5389 instruct loadA4S(regD dst, memory mem) %{
5390   match(Set dst (Load4S mem));
5391   ins_cost(MEMORY_REF_COST);
5392   size(4);
5393   format %{ "LDDF   $mem,$dst\t! packed4S" %}
5394   opcode(Assembler::lddf_op3);
5395   ins_encode( form3_mem_reg( mem, dst ) );
5396   ins_pipe(floadD_mem);
5397 %}
5398 
5399 // Load Aligned Packed Int into a Double Register
5400 instruct loadA2I(regD dst, memory mem) %{
5401   match(Set dst (Load2I mem));
5402   ins_cost(MEMORY_REF_COST);
5403   size(4);
5404   format %{ "LDDF   $mem,$dst\t! packed2I" %}
5405   opcode(Assembler::lddf_op3);
5406   ins_encode( form3_mem_reg( mem, dst ) );
5407   ins_pipe(floadD_mem);
5408 %}
5409 
5410 // Load Range
5411 instruct loadRange(iRegI dst, memory mem) %{
5412   match(Set dst (LoadRange mem));
5413   ins_cost(MEMORY_REF_COST);
5414 
5415   size(4);
5416   format %{ "LDUW   $mem,$dst\t! range" %}
5417   opcode(Assembler::lduw_op3);
5418   ins_encode( form3_mem_reg( mem, dst ) );
5419   ins_pipe(iload_mem);
5420 %}
5421 
5422 // Load Integer into %f register (for fitos/fitod)
5423 instruct loadI_freg(regF dst, memory mem) %{
5424   match(Set dst (LoadI mem));
5425   ins_cost(MEMORY_REF_COST);
5426   size(4);
5427 
5428   format %{ "LDF    $mem,$dst\t! for fitos/fitod" %}
5429   opcode(Assembler::ldf_op3);
5430   ins_encode( form3_mem_reg( mem, dst ) );
5431   ins_pipe(floadF_mem);
5432 %}
5433 
5434 // Load Pointer
5435 instruct loadP(iRegP dst, memory mem) %{
5436   match(Set dst (LoadP mem));
5437   ins_cost(MEMORY_REF_COST);
5438   size(4);
5439 
5440 #ifndef _LP64
5441   format %{ "LDUW   $mem,$dst\t! ptr" %}
5442   opcode(Assembler::lduw_op3, 0, REGP_OP);
5443 #else
5444   format %{ "LDX    $mem,$dst\t! ptr" %}
5445   opcode(Assembler::ldx_op3, 0, REGP_OP);
5446 #endif
5447   ins_encode( form3_mem_reg( mem, dst ) );
5448   ins_pipe(iload_mem);
5449 %}
5450 
5451 // Load Compressed Pointer
5452 instruct loadN(iRegN dst, memory mem) %{
5453    match(Set dst (LoadN mem));
5454    ins_cost(MEMORY_REF_COST);
5455    size(4);
5456 
5457    format %{ "LDUW   $mem,$dst\t! compressed ptr" %}
5458    ins_encode %{
5459      Register base = as_Register($mem$$base);
5460      Register index = as_Register($mem$$index);
5461      Register dst = $dst$$Register;
5462      if (index != G0) {
5463        __ lduw(base, index, dst);
5464      } else {
5465        __ lduw(base, $mem$$disp, dst);
5466      }
5467    %}
5468    ins_pipe(iload_mem);
5469 %}
5470 
5471 // Load Klass Pointer
5472 instruct loadKlass(iRegP dst, memory mem) %{
5473   match(Set dst (LoadKlass mem));
5474   ins_cost(MEMORY_REF_COST);
5475   size(4);
5476 
5477 #ifndef _LP64
5478   format %{ "LDUW   $mem,$dst\t! klass ptr" %}
5479   opcode(Assembler::lduw_op3, 0, REGP_OP);
5480 #else
5481   format %{ "LDX    $mem,$dst\t! klass ptr" %}
5482   opcode(Assembler::ldx_op3, 0, REGP_OP);
5483 #endif
5484   ins_encode( form3_mem_reg( mem, dst ) );
5485   ins_pipe(iload_mem);
5486 %}
5487 
5488 // Load narrow Klass Pointer
5489 instruct loadNKlass(iRegN dst, memory mem) %{
5490   match(Set dst (LoadNKlass mem));
5491   ins_cost(MEMORY_REF_COST);
5492   size(4);
5493 
5494   format %{ "LDUW   $mem,$dst\t! compressed klass ptr" %}
5495 
5496   ins_encode %{
5497      Register base = as_Register($mem$$base);
5498      Register index = as_Register($mem$$index);
5499      Register dst = $dst$$Register;
5500      if (index != G0) {
5501        __ lduw(base, index, dst);
5502      } else {
5503        __ lduw(base, $mem$$disp, dst);
5504      }
5505   %}
5506   ins_pipe(iload_mem);
5507 %}
5508 
5509 // Load Short (16bit signed)
5510 instruct loadS(iRegI dst, memory mem) %{
5511   match(Set dst (LoadS mem));
5512   ins_cost(MEMORY_REF_COST);
5513 
5514   size(4);
5515   format %{ "LDSH   $mem,$dst" %}
5516   opcode(Assembler::ldsh_op3);
5517   ins_encode( form3_mem_reg( mem, dst ) );
5518   ins_pipe(iload_mask_mem);
5519 %}
5520 
5521 // Load Double
5522 instruct loadD(regD dst, memory mem) %{
5523   match(Set dst (LoadD mem));
5524   ins_cost(MEMORY_REF_COST);
5525 
5526   size(4);
5527   format %{ "LDDF   $mem,$dst" %}
5528   opcode(Assembler::lddf_op3);
5529   ins_encode( form3_mem_reg( mem, dst ) );
5530   ins_pipe(floadD_mem);
5531 %}
5532 
5533 // Load Double - UNaligned
5534 instruct loadD_unaligned(regD_low dst, memory mem ) %{
5535   match(Set dst (LoadD_unaligned mem));
5536   ins_cost(MEMORY_REF_COST*2+DEFAULT_COST);
5537   size(8);
5538   format %{ "LDF    $mem  ,$dst.hi\t! misaligned double\n"
5539           "\tLDF    $mem+4,$dst.lo\t!" %}
5540   opcode(Assembler::ldf_op3);
5541   ins_encode( form3_mem_reg_double_unaligned( mem, dst ));
5542   ins_pipe(iload_mem);
5543 %}
5544 
5545 // Load Float
5546 instruct loadF(regF dst, memory mem) %{
5547   match(Set dst (LoadF mem));
5548   ins_cost(MEMORY_REF_COST);
5549 
5550   size(4);
5551   format %{ "LDF    $mem,$dst" %}
5552   opcode(Assembler::ldf_op3);
5553   ins_encode( form3_mem_reg( mem, dst ) );
5554   ins_pipe(floadF_mem);
5555 %}
5556 
5557 // Load Constant
5558 instruct loadConI( iRegI dst, immI src ) %{
5559   match(Set dst src);
5560   ins_cost(DEFAULT_COST * 3/2);
5561   format %{ "SET    $src,$dst" %}
5562   ins_encode( Set32(src, dst) );
5563   ins_pipe(ialu_hi_lo_reg);
5564 %}
5565 
5566 instruct loadConI13( iRegI dst, immI13 src ) %{
5567   match(Set dst src);
5568 
5569   size(4);
5570   format %{ "MOV    $src,$dst" %}
5571   ins_encode( Set13( src, dst ) );
5572   ins_pipe(ialu_imm);
5573 %}
5574 
5575 instruct loadConP(iRegP dst, immP src) %{
5576   match(Set dst src);
5577   ins_cost(DEFAULT_COST * 3/2);
5578   format %{ "SET    $src,$dst\t!ptr" %}
5579   // This rule does not use "expand" unlike loadConI because then
5580   // the result type is not known to be an Oop.  An ADLC
5581   // enhancement will be needed to make that work - not worth it!
5582 
5583   ins_encode( SetPtr( src, dst ) );
5584   ins_pipe(loadConP);
5585 
5586 %}
5587 
5588 instruct loadConP0(iRegP dst, immP0 src) %{
5589   match(Set dst src);
5590 
5591   size(4);
5592   format %{ "CLR    $dst\t!ptr" %}
5593   ins_encode( SetNull( dst ) );
5594   ins_pipe(ialu_imm);
5595 %}
5596 
5597 instruct loadConP_poll(iRegP dst, immP_poll src) %{
5598   match(Set dst src);
5599   ins_cost(DEFAULT_COST);
5600   format %{ "SET    $src,$dst\t!ptr" %}
5601   ins_encode %{
5602     Address polling_page(reg_to_register_object($dst$$reg), (address)os::get_polling_page());
5603     __ sethi(polling_page, false );
5604   %}
5605   ins_pipe(loadConP_poll);
5606 %}
5607 
5608 instruct loadConN0(iRegN dst, immN0 src) %{
5609   match(Set dst src);
5610 
5611   size(4);
5612   format %{ "CLR    $dst\t! compressed NULL ptr" %}
5613   ins_encode( SetNull( dst ) );
5614   ins_pipe(ialu_imm);
5615 %}
5616 
5617 instruct loadConN(iRegN dst, immN src) %{
5618   match(Set dst src);
5619   ins_cost(DEFAULT_COST * 3/2);
5620   format %{ "SET    $src,$dst\t! compressed ptr" %}
5621   ins_encode %{
5622     Register dst = $dst$$Register;
5623     __ set_narrow_oop((jobject)$src$$constant, dst);
5624   %}
5625   ins_pipe(ialu_hi_lo_reg);
5626 %}
5627 
5628 instruct loadConL(iRegL dst, immL src, o7RegL tmp) %{
5629   // %%% maybe this should work like loadConD
5630   match(Set dst src);
5631   effect(KILL tmp);
5632   ins_cost(DEFAULT_COST * 4);
5633   format %{ "SET64   $src,$dst KILL $tmp\t! long" %}
5634   ins_encode( LdImmL(src, dst, tmp) );
5635   ins_pipe(loadConL);
5636 %}
5637 
5638 instruct loadConL0( iRegL dst, immL0 src ) %{
5639   match(Set dst src);
5640   ins_cost(DEFAULT_COST);
5641   size(4);
5642   format %{ "CLR    $dst\t! long" %}
5643   ins_encode( Set13( src, dst ) );
5644   ins_pipe(ialu_imm);
5645 %}
5646 
5647 instruct loadConL13( iRegL dst, immL13 src ) %{
5648   match(Set dst src);
5649   ins_cost(DEFAULT_COST * 2);
5650 
5651   size(4);
5652   format %{ "MOV    $src,$dst\t! long" %}
5653   ins_encode( Set13( src, dst ) );
5654   ins_pipe(ialu_imm);
5655 %}
5656 
5657 instruct loadConF(regF dst, immF src, o7RegP tmp) %{
5658   match(Set dst src);
5659   effect(KILL tmp);
5660 
5661 #ifdef _LP64
5662   size(36);
5663 #else
5664   size(8);
5665 #endif
5666 
5667   format %{ "SETHI  hi(&$src),$tmp\t!get float $src from table\n\t"
5668             "LDF    [$tmp+lo(&$src)],$dst" %}
5669   ins_encode( LdImmF(src, dst, tmp) );
5670   ins_pipe(loadConFD);
5671 %}
5672 
5673 instruct loadConD(regD dst, immD src, o7RegP tmp) %{
5674   match(Set dst src);
5675   effect(KILL tmp);
5676 
5677 #ifdef _LP64
5678   size(36);
5679 #else
5680   size(8);
5681 #endif
5682 
5683   format %{ "SETHI  hi(&$src),$tmp\t!get double $src from table\n\t"
5684             "LDDF   [$tmp+lo(&$src)],$dst" %}
5685   ins_encode( LdImmD(src, dst, tmp) );
5686   ins_pipe(loadConFD);
5687 %}
5688 
5689 // Prefetch instructions.
5690 // Must be safe to execute with invalid address (cannot fault).
5691 
5692 instruct prefetchr( memory mem ) %{
5693   match( PrefetchRead mem );
5694   ins_cost(MEMORY_REF_COST);
5695 
5696   format %{ "PREFETCH $mem,0\t! Prefetch read-many" %}
5697   opcode(Assembler::prefetch_op3);
5698   ins_encode( form3_mem_prefetch_read( mem ) );
5699   ins_pipe(iload_mem);
5700 %}
5701 
5702 instruct prefetchw( memory mem ) %{
5703   match( PrefetchWrite mem );
5704   ins_cost(MEMORY_REF_COST);
5705 
5706   format %{ "PREFETCH $mem,2\t! Prefetch write-many (and read)" %}
5707   opcode(Assembler::prefetch_op3);
5708   ins_encode( form3_mem_prefetch_write( mem ) );
5709   ins_pipe(iload_mem);
5710 %}
5711 
5712 
5713 //----------Store Instructions-------------------------------------------------
5714 // Store Byte
5715 instruct storeB(memory mem, iRegI src) %{
5716   match(Set mem (StoreB mem src));
5717   ins_cost(MEMORY_REF_COST);
5718 
5719   size(4);
5720   format %{ "STB    $src,$mem\t! byte" %}
5721   opcode(Assembler::stb_op3);
5722   ins_encode( form3_mem_reg( mem, src ) );
5723   ins_pipe(istore_mem_reg);
5724 %}
5725 
5726 instruct storeB0(memory mem, immI0 src) %{
5727   match(Set mem (StoreB mem src));
5728   ins_cost(MEMORY_REF_COST);
5729 
5730   size(4);
5731   format %{ "STB    $src,$mem\t! byte" %}
5732   opcode(Assembler::stb_op3);
5733   ins_encode( form3_mem_reg( mem, R_G0 ) );
5734   ins_pipe(istore_mem_zero);
5735 %}
5736 
5737 instruct storeCM0(memory mem, immI0 src) %{
5738   match(Set mem (StoreCM mem src));
5739   ins_cost(MEMORY_REF_COST);
5740 
5741   size(4);
5742   format %{ "STB    $src,$mem\t! CMS card-mark byte 0" %}
5743   opcode(Assembler::stb_op3);
5744   ins_encode( form3_mem_reg( mem, R_G0 ) );
5745   ins_pipe(istore_mem_zero);
5746 %}
5747 
5748 // Store Char/Short
5749 instruct storeC(memory mem, iRegI src) %{
5750   match(Set mem (StoreC mem src));
5751   ins_cost(MEMORY_REF_COST);
5752 
5753   size(4);
5754   format %{ "STH    $src,$mem\t! short" %}
5755   opcode(Assembler::sth_op3);
5756   ins_encode( form3_mem_reg( mem, src ) );
5757   ins_pipe(istore_mem_reg);
5758 %}
5759 
5760 instruct storeC0(memory mem, immI0 src) %{
5761   match(Set mem (StoreC mem src));
5762   ins_cost(MEMORY_REF_COST);
5763 
5764   size(4);
5765   format %{ "STH    $src,$mem\t! short" %}
5766   opcode(Assembler::sth_op3);
5767   ins_encode( form3_mem_reg( mem, R_G0 ) );
5768   ins_pipe(istore_mem_zero);
5769 %}
5770 
5771 // Store Integer
5772 instruct storeI(memory mem, iRegI src) %{
5773   match(Set mem (StoreI mem src));
5774   ins_cost(MEMORY_REF_COST);
5775 
5776   size(4);
5777   format %{ "STW    $src,$mem" %}
5778   opcode(Assembler::stw_op3);
5779   ins_encode( form3_mem_reg( mem, src ) );
5780   ins_pipe(istore_mem_reg);
5781 %}
5782 
5783 // Store Long
5784 instruct storeL(memory mem, iRegL src) %{
5785   match(Set mem (StoreL mem src));
5786   ins_cost(MEMORY_REF_COST);
5787   size(4);
5788   format %{ "STX    $src,$mem\t! long" %}
5789   opcode(Assembler::stx_op3);
5790   ins_encode( form3_mem_reg( mem, src ) );
5791   ins_pipe(istore_mem_reg);
5792 %}
5793 
5794 instruct storeI0(memory mem, immI0 src) %{
5795   match(Set mem (StoreI mem src));
5796   ins_cost(MEMORY_REF_COST);
5797 
5798   size(4);
5799   format %{ "STW    $src,$mem" %}
5800   opcode(Assembler::stw_op3);
5801   ins_encode( form3_mem_reg( mem, R_G0 ) );
5802   ins_pipe(istore_mem_zero);
5803 %}
5804 
5805 instruct storeL0(memory mem, immL0 src) %{
5806   match(Set mem (StoreL mem src));
5807   ins_cost(MEMORY_REF_COST);
5808 
5809   size(4);
5810   format %{ "STX    $src,$mem" %}
5811   opcode(Assembler::stx_op3);
5812   ins_encode( form3_mem_reg( mem, R_G0 ) );
5813   ins_pipe(istore_mem_zero);
5814 %}
5815 
5816 // Store Integer from float register (used after fstoi)
5817 instruct storeI_Freg(memory mem, regF src) %{
5818   match(Set mem (StoreI mem src));
5819   ins_cost(MEMORY_REF_COST);
5820 
5821   size(4);
5822   format %{ "STF    $src,$mem\t! after fstoi/fdtoi" %}
5823   opcode(Assembler::stf_op3);
5824   ins_encode( form3_mem_reg( mem, src ) );
5825   ins_pipe(fstoreF_mem_reg);
5826 %}
5827 
5828 // Store Pointer
5829 instruct storeP(memory dst, sp_ptr_RegP src) %{
5830   match(Set dst (StoreP dst src));
5831   ins_cost(MEMORY_REF_COST);
5832   size(4);
5833 
5834 #ifndef _LP64
5835   format %{ "STW    $src,$dst\t! ptr" %}
5836   opcode(Assembler::stw_op3, 0, REGP_OP);
5837 #else
5838   format %{ "STX    $src,$dst\t! ptr" %}
5839   opcode(Assembler::stx_op3, 0, REGP_OP);
5840 #endif
5841   ins_encode( form3_mem_reg( dst, src ) );
5842   ins_pipe(istore_mem_spORreg);
5843 %}
5844 
5845 instruct storeP0(memory dst, immP0 src) %{
5846   match(Set dst (StoreP dst src));
5847   ins_cost(MEMORY_REF_COST);
5848   size(4);
5849 
5850 #ifndef _LP64
5851   format %{ "STW    $src,$dst\t! ptr" %}
5852   opcode(Assembler::stw_op3, 0, REGP_OP);
5853 #else
5854   format %{ "STX    $src,$dst\t! ptr" %}
5855   opcode(Assembler::stx_op3, 0, REGP_OP);
5856 #endif
5857   ins_encode( form3_mem_reg( dst, R_G0 ) );
5858   ins_pipe(istore_mem_zero);
5859 %}
5860 
5861 // Store Compressed Pointer
5862 instruct storeN(memory dst, iRegN src) %{
5863    match(Set dst (StoreN dst src));
5864    ins_cost(MEMORY_REF_COST);
5865    size(4);
5866 
5867    format %{ "STW    $src,$dst\t! compressed ptr" %}
5868    ins_encode %{
5869      Register base = as_Register($dst$$base);
5870      Register index = as_Register($dst$$index);
5871      Register src = $src$$Register;
5872      if (index != G0) {
5873        __ stw(src, base, index);
5874      } else {
5875        __ stw(src, base, $dst$$disp);
5876      }
5877    %}
5878    ins_pipe(istore_mem_spORreg);
5879 %}
5880 
5881 instruct storeN0(memory dst, immN0 src) %{
5882    match(Set dst (StoreN dst src));
5883    ins_cost(MEMORY_REF_COST);
5884    size(4);
5885 
5886    format %{ "STW    $src,$dst\t! compressed ptr" %}
5887    ins_encode %{
5888      Register base = as_Register($dst$$base);
5889      Register index = as_Register($dst$$index);
5890      if (index != G0) {
5891        __ stw(0, base, index);
5892      } else {
5893        __ stw(0, base, $dst$$disp);
5894      }
5895    %}
5896    ins_pipe(istore_mem_zero);
5897 %}
5898 
5899 // Store Double
5900 instruct storeD( memory mem, regD src) %{
5901   match(Set mem (StoreD mem src));
5902   ins_cost(MEMORY_REF_COST);
5903 
5904   size(4);
5905   format %{ "STDF   $src,$mem" %}
5906   opcode(Assembler::stdf_op3);
5907   ins_encode( form3_mem_reg( mem, src ) );
5908   ins_pipe(fstoreD_mem_reg);
5909 %}
5910 
5911 instruct storeD0( memory mem, immD0 src) %{
5912   match(Set mem (StoreD mem src));
5913   ins_cost(MEMORY_REF_COST);
5914 
5915   size(4);
5916   format %{ "STX    $src,$mem" %}
5917   opcode(Assembler::stx_op3);
5918   ins_encode( form3_mem_reg( mem, R_G0 ) );
5919   ins_pipe(fstoreD_mem_zero);
5920 %}
5921 
5922 // Store Float
5923 instruct storeF( memory mem, regF src) %{
5924   match(Set mem (StoreF mem src));
5925   ins_cost(MEMORY_REF_COST);
5926 
5927   size(4);
5928   format %{ "STF    $src,$mem" %}
5929   opcode(Assembler::stf_op3);
5930   ins_encode( form3_mem_reg( mem, src ) );
5931   ins_pipe(fstoreF_mem_reg);
5932 %}
5933 
5934 instruct storeF0( memory mem, immF0 src) %{
5935   match(Set mem (StoreF mem src));
5936   ins_cost(MEMORY_REF_COST);
5937 
5938   size(4);
5939   format %{ "STW    $src,$mem\t! storeF0" %}
5940   opcode(Assembler::stw_op3);
5941   ins_encode( form3_mem_reg( mem, R_G0 ) );
5942   ins_pipe(fstoreF_mem_zero);
5943 %}
5944 
5945 // Store Aligned Packed Bytes in Double register to memory
5946 instruct storeA8B(memory mem, regD src) %{
5947   match(Set mem (Store8B mem src));
5948   ins_cost(MEMORY_REF_COST);
5949   size(4);
5950   format %{ "STDF   $src,$mem\t! packed8B" %}
5951   opcode(Assembler::stdf_op3);
5952   ins_encode( form3_mem_reg( mem, src ) );
5953   ins_pipe(fstoreD_mem_reg);
5954 %}
5955 
5956 // Convert oop pointer into compressed form
5957 instruct encodeHeapOop(iRegN dst, iRegP src) %{
5958   predicate(n->bottom_type()->make_ptr()->ptr() != TypePtr::NotNull);
5959   match(Set dst (EncodeP src));
5960   format %{ "encode_heap_oop $src, $dst" %}
5961   ins_encode %{
5962     __ encode_heap_oop($src$$Register, $dst$$Register);
5963   %}
5964   ins_pipe(ialu_reg);
5965 %}
5966 
5967 instruct encodeHeapOop_not_null(iRegN dst, iRegP src) %{
5968   predicate(n->bottom_type()->make_ptr()->ptr() == TypePtr::NotNull);
5969   match(Set dst (EncodeP src));
5970   format %{ "encode_heap_oop_not_null $src, $dst" %}
5971   ins_encode %{
5972     __ encode_heap_oop_not_null($src$$Register, $dst$$Register);
5973   %}
5974   ins_pipe(ialu_reg);
5975 %}
5976 
5977 instruct decodeHeapOop(iRegP dst, iRegN src) %{
5978   predicate(n->bottom_type()->is_oopptr()->ptr() != TypePtr::NotNull &&
5979             n->bottom_type()->is_oopptr()->ptr() != TypePtr::Constant);
5980   match(Set dst (DecodeN src));
5981   format %{ "decode_heap_oop $src, $dst" %}
5982   ins_encode %{
5983     __ decode_heap_oop($src$$Register, $dst$$Register);
5984   %}
5985   ins_pipe(ialu_reg);
5986 %}
5987 
5988 instruct decodeHeapOop_not_null(iRegP dst, iRegN src) %{
5989   predicate(n->bottom_type()->is_oopptr()->ptr() == TypePtr::NotNull ||
5990             n->bottom_type()->is_oopptr()->ptr() == TypePtr::Constant);
5991   match(Set dst (DecodeN src));
5992   format %{ "decode_heap_oop_not_null $src, $dst" %}
5993   ins_encode %{
5994     __ decode_heap_oop_not_null($src$$Register, $dst$$Register);
5995   %}
5996   ins_pipe(ialu_reg);
5997 %}
5998 
5999 
6000 // Store Zero into Aligned Packed Bytes
6001 instruct storeA8B0(memory mem, immI0 zero) %{
6002   match(Set mem (Store8B mem zero));
6003   ins_cost(MEMORY_REF_COST);
6004   size(4);
6005   format %{ "STX    $zero,$mem\t! packed8B" %}
6006   opcode(Assembler::stx_op3);
6007   ins_encode( form3_mem_reg( mem, R_G0 ) );
6008   ins_pipe(fstoreD_mem_zero);
6009 %}
6010 
6011 // Store Aligned Packed Chars/Shorts in Double register to memory
6012 instruct storeA4C(memory mem, regD src) %{
6013   match(Set mem (Store4C mem src));
6014   ins_cost(MEMORY_REF_COST);
6015   size(4);
6016   format %{ "STDF   $src,$mem\t! packed4C" %}
6017   opcode(Assembler::stdf_op3);
6018   ins_encode( form3_mem_reg( mem, src ) );
6019   ins_pipe(fstoreD_mem_reg);
6020 %}
6021 
6022 // Store Zero into Aligned Packed Chars/Shorts
6023 instruct storeA4C0(memory mem, immI0 zero) %{
6024   match(Set mem (Store4C mem (Replicate4C zero)));
6025   ins_cost(MEMORY_REF_COST);
6026   size(4);
6027   format %{ "STX    $zero,$mem\t! packed4C" %}
6028   opcode(Assembler::stx_op3);
6029   ins_encode( form3_mem_reg( mem, R_G0 ) );
6030   ins_pipe(fstoreD_mem_zero);
6031 %}
6032 
6033 // Store Aligned Packed Ints in Double register to memory
6034 instruct storeA2I(memory mem, regD src) %{
6035   match(Set mem (Store2I mem src));
6036   ins_cost(MEMORY_REF_COST);
6037   size(4);
6038   format %{ "STDF   $src,$mem\t! packed2I" %}
6039   opcode(Assembler::stdf_op3);
6040   ins_encode( form3_mem_reg( mem, src ) );
6041   ins_pipe(fstoreD_mem_reg);
6042 %}
6043 
6044 // Store Zero into Aligned Packed Ints
6045 instruct storeA2I0(memory mem, immI0 zero) %{
6046   match(Set mem (Store2I mem zero));
6047   ins_cost(MEMORY_REF_COST);
6048   size(4);
6049   format %{ "STX    $zero,$mem\t! packed2I" %}
6050   opcode(Assembler::stx_op3);
6051   ins_encode( form3_mem_reg( mem, R_G0 ) );
6052   ins_pipe(fstoreD_mem_zero);
6053 %}
6054 
6055 
6056 //----------MemBar Instructions-----------------------------------------------
6057 // Memory barrier flavors
6058 
6059 instruct membar_acquire() %{
6060   match(MemBarAcquire);
6061   ins_cost(4*MEMORY_REF_COST);
6062 
6063   size(0);
6064   format %{ "MEMBAR-acquire" %}
6065   ins_encode( enc_membar_acquire );
6066   ins_pipe(long_memory_op);
6067 %}
6068 
6069 instruct membar_acquire_lock() %{
6070   match(MemBarAcquire);
6071   predicate(Matcher::prior_fast_lock(n));
6072   ins_cost(0);
6073 
6074   size(0);
6075   format %{ "!MEMBAR-acquire (CAS in prior FastLock so empty encoding)" %}
6076   ins_encode( );
6077   ins_pipe(empty);
6078 %}
6079 
6080 instruct membar_release() %{
6081   match(MemBarRelease);
6082   ins_cost(4*MEMORY_REF_COST);
6083 
6084   size(0);
6085   format %{ "MEMBAR-release" %}
6086   ins_encode( enc_membar_release );
6087   ins_pipe(long_memory_op);
6088 %}
6089 
6090 instruct membar_release_lock() %{
6091   match(MemBarRelease);
6092   predicate(Matcher::post_fast_unlock(n));
6093   ins_cost(0);
6094 
6095   size(0);
6096   format %{ "!MEMBAR-release (CAS in succeeding FastUnlock so empty encoding)" %}
6097   ins_encode( );
6098   ins_pipe(empty);
6099 %}
6100 
6101 instruct membar_volatile() %{
6102   match(MemBarVolatile);
6103   ins_cost(4*MEMORY_REF_COST);
6104 
6105   size(4);
6106   format %{ "MEMBAR-volatile" %}
6107   ins_encode( enc_membar_volatile );
6108   ins_pipe(long_memory_op);
6109 %}
6110 
6111 instruct unnecessary_membar_volatile() %{
6112   match(MemBarVolatile);
6113   predicate(Matcher::post_store_load_barrier(n));
6114   ins_cost(0);
6115 
6116   size(0);
6117   format %{ "!MEMBAR-volatile (unnecessary so empty encoding)" %}
6118   ins_encode( );
6119   ins_pipe(empty);
6120 %}
6121 
6122 //----------Register Move Instructions-----------------------------------------
6123 instruct roundDouble_nop(regD dst) %{
6124   match(Set dst (RoundDouble dst));
6125   ins_cost(0);
6126   // SPARC results are already "rounded" (i.e., normal-format IEEE)
6127   ins_encode( );
6128   ins_pipe(empty);
6129 %}
6130 
6131 
6132 instruct roundFloat_nop(regF dst) %{
6133   match(Set dst (RoundFloat dst));
6134   ins_cost(0);
6135   // SPARC results are already "rounded" (i.e., normal-format IEEE)
6136   ins_encode( );
6137   ins_pipe(empty);
6138 %}
6139 
6140 
6141 // Cast Index to Pointer for unsafe natives
6142 instruct castX2P(iRegX src, iRegP dst) %{
6143   match(Set dst (CastX2P src));
6144 
6145   format %{ "MOV    $src,$dst\t! IntX->Ptr" %}
6146   ins_encode( form3_g0_rs2_rd_move( src, dst ) );
6147   ins_pipe(ialu_reg);
6148 %}
6149 
6150 // Cast Pointer to Index for unsafe natives
6151 instruct castP2X(iRegP src, iRegX dst) %{
6152   match(Set dst (CastP2X src));
6153 
6154   format %{ "MOV    $src,$dst\t! Ptr->IntX" %}
6155   ins_encode( form3_g0_rs2_rd_move( src, dst ) );
6156   ins_pipe(ialu_reg);
6157 %}
6158 
6159 instruct stfSSD(stackSlotD stkSlot, regD src) %{
6160   // %%%% TO DO: Tell the coalescer that this kind of node is a copy!
6161   match(Set stkSlot src);   // chain rule
6162   ins_cost(MEMORY_REF_COST);
6163   format %{ "STDF   $src,$stkSlot\t!stk" %}
6164   opcode(Assembler::stdf_op3);
6165   ins_encode(form3_mem_reg(stkSlot, src));
6166   ins_pipe(fstoreD_stk_reg);
6167 %}
6168 
6169 instruct ldfSSD(regD dst, stackSlotD stkSlot) %{
6170   // %%%% TO DO: Tell the coalescer that this kind of node is a copy!
6171   match(Set dst stkSlot);   // chain rule
6172   ins_cost(MEMORY_REF_COST);
6173   format %{ "LDDF   $stkSlot,$dst\t!stk" %}
6174   opcode(Assembler::lddf_op3);
6175   ins_encode(form3_mem_reg(stkSlot, dst));
6176   ins_pipe(floadD_stk);
6177 %}
6178 
6179 instruct stfSSF(stackSlotF stkSlot, regF src) %{
6180   // %%%% TO DO: Tell the coalescer that this kind of node is a copy!
6181   match(Set stkSlot src);   // chain rule
6182   ins_cost(MEMORY_REF_COST);
6183   format %{ "STF   $src,$stkSlot\t!stk" %}
6184   opcode(Assembler::stf_op3);
6185   ins_encode(form3_mem_reg(stkSlot, src));
6186   ins_pipe(fstoreF_stk_reg);
6187 %}
6188 
6189 //----------Conditional Move---------------------------------------------------
6190 // Conditional move
6191 instruct cmovIP_reg(cmpOpP cmp, flagsRegP pcc, iRegI dst, iRegI src) %{
6192   match(Set dst (CMoveI (Binary cmp pcc) (Binary dst src)));
6193   ins_cost(150);
6194   format %{ "MOV$cmp $pcc,$src,$dst" %}
6195   ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::ptr_cc)) );
6196   ins_pipe(ialu_reg);
6197 %}
6198 
6199 instruct cmovIP_imm(cmpOpP cmp, flagsRegP pcc, iRegI dst, immI11 src) %{
6200   match(Set dst (CMoveI (Binary cmp pcc) (Binary dst src)));
6201   ins_cost(140);
6202   format %{ "MOV$cmp $pcc,$src,$dst" %}
6203   ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::ptr_cc)) );
6204   ins_pipe(ialu_imm);
6205 %}
6206 
6207 instruct cmovII_reg(cmpOp cmp, flagsReg icc, iRegI dst, iRegI src) %{
6208   match(Set dst (CMoveI (Binary cmp icc) (Binary dst src)));
6209   ins_cost(150);
6210   size(4);
6211   format %{ "MOV$cmp  $icc,$src,$dst" %}
6212   ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::icc)) );
6213   ins_pipe(ialu_reg);
6214 %}
6215 
6216 instruct cmovII_imm(cmpOp cmp, flagsReg icc, iRegI dst, immI11 src) %{
6217   match(Set dst (CMoveI (Binary cmp icc) (Binary dst src)));
6218   ins_cost(140);
6219   size(4);
6220   format %{ "MOV$cmp  $icc,$src,$dst" %}
6221   ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::icc)) );
6222   ins_pipe(ialu_imm);
6223 %}
6224 
6225 instruct cmovII_U_reg(cmpOpU cmp, flagsRegU icc, iRegI dst, iRegI src) %{
6226   match(Set dst (CMoveI (Binary cmp icc) (Binary dst src)));
6227   ins_cost(150);
6228   size(4);
6229   format %{ "MOV$cmp  $icc,$src,$dst" %}
6230   ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::icc)) );
6231   ins_pipe(ialu_reg);
6232 %}
6233 
6234 instruct cmovII_U_imm(cmpOpU cmp, flagsRegU icc, iRegI dst, immI11 src) %{
6235   match(Set dst (CMoveI (Binary cmp icc) (Binary dst src)));
6236   ins_cost(140);
6237   size(4);
6238   format %{ "MOV$cmp  $icc,$src,$dst" %}
6239   ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::icc)) );
6240   ins_pipe(ialu_imm);
6241 %}
6242 
6243 instruct cmovIF_reg(cmpOpF cmp, flagsRegF fcc, iRegI dst, iRegI src) %{
6244   match(Set dst (CMoveI (Binary cmp fcc) (Binary dst src)));
6245   ins_cost(150);
6246   size(4);
6247   format %{ "MOV$cmp $fcc,$src,$dst" %}
6248   ins_encode( enc_cmov_reg_f(cmp,dst,src, fcc) );
6249   ins_pipe(ialu_reg);
6250 %}
6251 
6252 instruct cmovIF_imm(cmpOpF cmp, flagsRegF fcc, iRegI dst, immI11 src) %{
6253   match(Set dst (CMoveI (Binary cmp fcc) (Binary dst src)));
6254   ins_cost(140);
6255   size(4);
6256   format %{ "MOV$cmp $fcc,$src,$dst" %}
6257   ins_encode( enc_cmov_imm_f(cmp,dst,src, fcc) );
6258   ins_pipe(ialu_imm);
6259 %}
6260 
6261 // Conditional move for RegN. Only cmov(reg,reg).
6262 instruct cmovNP_reg(cmpOpP cmp, flagsRegP pcc, iRegN dst, iRegN src) %{
6263   match(Set dst (CMoveN (Binary cmp pcc) (Binary dst src)));
6264   ins_cost(150);
6265   format %{ "MOV$cmp $pcc,$src,$dst" %}
6266   ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::ptr_cc)) );
6267   ins_pipe(ialu_reg);
6268 %}
6269 
6270 // This instruction also works with CmpN so we don't need cmovNN_reg.
6271 instruct cmovNI_reg(cmpOp cmp, flagsReg icc, iRegN dst, iRegN src) %{
6272   match(Set dst (CMoveN (Binary cmp icc) (Binary dst src)));
6273   ins_cost(150);
6274   size(4);
6275   format %{ "MOV$cmp  $icc,$src,$dst" %}
6276   ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::icc)) );
6277   ins_pipe(ialu_reg);
6278 %}
6279 
6280 instruct cmovNF_reg(cmpOpF cmp, flagsRegF fcc, iRegN dst, iRegN src) %{
6281   match(Set dst (CMoveN (Binary cmp fcc) (Binary dst src)));
6282   ins_cost(150);
6283   size(4);
6284   format %{ "MOV$cmp $fcc,$src,$dst" %}
6285   ins_encode( enc_cmov_reg_f(cmp,dst,src, fcc) );
6286   ins_pipe(ialu_reg);
6287 %}
6288 
6289 // Conditional move
6290 instruct cmovPP_reg(cmpOpP cmp, flagsRegP pcc, iRegP dst, iRegP src) %{
6291   match(Set dst (CMoveP (Binary cmp pcc) (Binary dst src)));
6292   ins_cost(150);
6293   format %{ "MOV$cmp $pcc,$src,$dst\t! ptr" %}
6294   ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::ptr_cc)) );
6295   ins_pipe(ialu_reg);
6296 %}
6297 
6298 instruct cmovPP_imm(cmpOpP cmp, flagsRegP pcc, iRegP dst, immP0 src) %{
6299   match(Set dst (CMoveP (Binary cmp pcc) (Binary dst src)));
6300   ins_cost(140);
6301   format %{ "MOV$cmp $pcc,$src,$dst\t! ptr" %}
6302   ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::ptr_cc)) );
6303   ins_pipe(ialu_imm);
6304 %}
6305 
6306 // This instruction also works with CmpN so we don't need cmovPN_reg.
6307 instruct cmovPI_reg(cmpOp cmp, flagsReg icc, iRegP dst, iRegP src) %{
6308   match(Set dst (CMoveP (Binary cmp icc) (Binary dst src)));
6309   ins_cost(150);
6310 
6311   size(4);
6312   format %{ "MOV$cmp  $icc,$src,$dst\t! ptr" %}
6313   ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::icc)) );
6314   ins_pipe(ialu_reg);
6315 %}
6316 
6317 instruct cmovPI_imm(cmpOp cmp, flagsReg icc, iRegP dst, immP0 src) %{
6318   match(Set dst (CMoveP (Binary cmp icc) (Binary dst src)));
6319   ins_cost(140);
6320 
6321   size(4);
6322   format %{ "MOV$cmp  $icc,$src,$dst\t! ptr" %}
6323   ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::icc)) );
6324   ins_pipe(ialu_imm);
6325 %}
6326 
6327 instruct cmovPF_reg(cmpOpF cmp, flagsRegF fcc, iRegP dst, iRegP src) %{
6328   match(Set dst (CMoveP (Binary cmp fcc) (Binary dst src)));
6329   ins_cost(150);
6330   size(4);
6331   format %{ "MOV$cmp $fcc,$src,$dst" %}
6332   ins_encode( enc_cmov_reg_f(cmp,dst,src, fcc) );
6333   ins_pipe(ialu_imm);
6334 %}
6335 
6336 instruct cmovPF_imm(cmpOpF cmp, flagsRegF fcc, iRegP dst, immP0 src) %{
6337   match(Set dst (CMoveP (Binary cmp fcc) (Binary dst src)));
6338   ins_cost(140);
6339   size(4);
6340   format %{ "MOV$cmp $fcc,$src,$dst" %}
6341   ins_encode( enc_cmov_imm_f(cmp,dst,src, fcc) );
6342   ins_pipe(ialu_imm);
6343 %}
6344 
6345 // Conditional move
6346 instruct cmovFP_reg(cmpOpP cmp, flagsRegP pcc, regF dst, regF src) %{
6347   match(Set dst (CMoveF (Binary cmp pcc) (Binary dst src)));
6348   ins_cost(150);
6349   opcode(0x101);
6350   format %{ "FMOVD$cmp $pcc,$src,$dst" %}
6351   ins_encode( enc_cmovf_reg(cmp,dst,src, (Assembler::ptr_cc)) );
6352   ins_pipe(int_conditional_float_move);
6353 %}
6354 
6355 instruct cmovFI_reg(cmpOp cmp, flagsReg icc, regF dst, regF src) %{
6356   match(Set dst (CMoveF (Binary cmp icc) (Binary dst src)));
6357   ins_cost(150);
6358 
6359   size(4);
6360   format %{ "FMOVS$cmp $icc,$src,$dst" %}
6361   opcode(0x101);
6362   ins_encode( enc_cmovf_reg(cmp,dst,src, (Assembler::icc)) );
6363   ins_pipe(int_conditional_float_move);
6364 %}
6365 
6366 // Conditional move,
6367 instruct cmovFF_reg(cmpOpF cmp, flagsRegF fcc, regF dst, regF src) %{
6368   match(Set dst (CMoveF (Binary cmp fcc) (Binary dst src)));
6369   ins_cost(150);
6370   size(4);
6371   format %{ "FMOVF$cmp $fcc,$src,$dst" %}
6372   opcode(0x1);
6373   ins_encode( enc_cmovff_reg(cmp,fcc,dst,src) );
6374   ins_pipe(int_conditional_double_move);
6375 %}
6376 
6377 // Conditional move
6378 instruct cmovDP_reg(cmpOpP cmp, flagsRegP pcc, regD dst, regD src) %{
6379   match(Set dst (CMoveD (Binary cmp pcc) (Binary dst src)));
6380   ins_cost(150);
6381   size(4);
6382   opcode(0x102);
6383   format %{ "FMOVD$cmp $pcc,$src,$dst" %}
6384   ins_encode( enc_cmovf_reg(cmp,dst,src, (Assembler::ptr_cc)) );
6385   ins_pipe(int_conditional_double_move);
6386 %}
6387 
6388 instruct cmovDI_reg(cmpOp cmp, flagsReg icc, regD dst, regD src) %{
6389   match(Set dst (CMoveD (Binary cmp icc) (Binary dst src)));
6390   ins_cost(150);
6391 
6392   size(4);
6393   format %{ "FMOVD$cmp $icc,$src,$dst" %}
6394   opcode(0x102);
6395   ins_encode( enc_cmovf_reg(cmp,dst,src, (Assembler::icc)) );
6396   ins_pipe(int_conditional_double_move);
6397 %}
6398 
6399 // Conditional move,
6400 instruct cmovDF_reg(cmpOpF cmp, flagsRegF fcc, regD dst, regD src) %{
6401   match(Set dst (CMoveD (Binary cmp fcc) (Binary dst src)));
6402   ins_cost(150);
6403   size(4);
6404   format %{ "FMOVD$cmp $fcc,$src,$dst" %}
6405   opcode(0x2);
6406   ins_encode( enc_cmovff_reg(cmp,fcc,dst,src) );
6407   ins_pipe(int_conditional_double_move);
6408 %}
6409 
6410 // Conditional move
6411 instruct cmovLP_reg(cmpOpP cmp, flagsRegP pcc, iRegL dst, iRegL src) %{
6412   match(Set dst (CMoveL (Binary cmp pcc) (Binary dst src)));
6413   ins_cost(150);
6414   format %{ "MOV$cmp $pcc,$src,$dst\t! long" %}
6415   ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::ptr_cc)) );
6416   ins_pipe(ialu_reg);
6417 %}
6418 
6419 instruct cmovLP_imm(cmpOpP cmp, flagsRegP pcc, iRegL dst, immI11 src) %{
6420   match(Set dst (CMoveL (Binary cmp pcc) (Binary dst src)));
6421   ins_cost(140);
6422   format %{ "MOV$cmp $pcc,$src,$dst\t! long" %}
6423   ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::ptr_cc)) );
6424   ins_pipe(ialu_imm);
6425 %}
6426 
6427 instruct cmovLI_reg(cmpOp cmp, flagsReg icc, iRegL dst, iRegL src) %{
6428   match(Set dst (CMoveL (Binary cmp icc) (Binary dst src)));
6429   ins_cost(150);
6430 
6431   size(4);
6432   format %{ "MOV$cmp  $icc,$src,$dst\t! long" %}
6433   ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::icc)) );
6434   ins_pipe(ialu_reg);
6435 %}
6436 
6437 
6438 instruct cmovLF_reg(cmpOpF cmp, flagsRegF fcc, iRegL dst, iRegL src) %{
6439   match(Set dst (CMoveL (Binary cmp fcc) (Binary dst src)));
6440   ins_cost(150);
6441 
6442   size(4);
6443   format %{ "MOV$cmp  $fcc,$src,$dst\t! long" %}
6444   ins_encode( enc_cmov_reg_f(cmp,dst,src, fcc) );
6445   ins_pipe(ialu_reg);
6446 %}
6447 
6448 
6449 
6450 //----------OS and Locking Instructions----------------------------------------
6451 
6452 // This name is KNOWN by the ADLC and cannot be changed.
6453 // The ADLC forces a 'TypeRawPtr::BOTTOM' output type
6454 // for this guy.
6455 instruct tlsLoadP(g2RegP dst) %{
6456   match(Set dst (ThreadLocal));
6457 
6458   size(0);
6459   ins_cost(0);
6460   format %{ "# TLS is in G2" %}
6461   ins_encode( /*empty encoding*/ );
6462   ins_pipe(ialu_none);
6463 %}
6464 
6465 instruct checkCastPP( iRegP dst ) %{
6466   match(Set dst (CheckCastPP dst));
6467 
6468   size(0);
6469   format %{ "# checkcastPP of $dst" %}
6470   ins_encode( /*empty encoding*/ );
6471   ins_pipe(empty);
6472 %}
6473 
6474 
6475 instruct castPP( iRegP dst ) %{
6476   match(Set dst (CastPP dst));
6477   format %{ "# castPP of $dst" %}
6478   ins_encode( /*empty encoding*/ );
6479   ins_pipe(empty);
6480 %}
6481 
6482 instruct castII( iRegI dst ) %{
6483   match(Set dst (CastII dst));
6484   format %{ "# castII of $dst" %}
6485   ins_encode( /*empty encoding*/ );
6486   ins_cost(0);
6487   ins_pipe(empty);
6488 %}
6489 
6490 //----------Arithmetic Instructions--------------------------------------------
6491 // Addition Instructions
6492 // Register Addition
6493 instruct addI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
6494   match(Set dst (AddI src1 src2));
6495 
6496   size(4);
6497   format %{ "ADD    $src1,$src2,$dst" %}
6498   ins_encode %{
6499     __ add($src1$$Register, $src2$$Register, $dst$$Register);
6500   %}
6501   ins_pipe(ialu_reg_reg);
6502 %}
6503 
6504 // Immediate Addition
6505 instruct addI_reg_imm13(iRegI dst, iRegI src1, immI13 src2) %{
6506   match(Set dst (AddI src1 src2));
6507 
6508   size(4);
6509   format %{ "ADD    $src1,$src2,$dst" %}
6510   opcode(Assembler::add_op3, Assembler::arith_op);
6511   ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
6512   ins_pipe(ialu_reg_imm);
6513 %}
6514 
6515 // Pointer Register Addition
6516 instruct addP_reg_reg(iRegP dst, iRegP src1, iRegX src2) %{
6517   match(Set dst (AddP src1 src2));
6518 
6519   size(4);
6520   format %{ "ADD    $src1,$src2,$dst" %}
6521   opcode(Assembler::add_op3, Assembler::arith_op);
6522   ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6523   ins_pipe(ialu_reg_reg);
6524 %}
6525 
6526 // Pointer Immediate Addition
6527 instruct addP_reg_imm13(iRegP dst, iRegP src1, immX13 src2) %{
6528   match(Set dst (AddP src1 src2));
6529 
6530   size(4);
6531   format %{ "ADD    $src1,$src2,$dst" %}
6532   opcode(Assembler::add_op3, Assembler::arith_op);
6533   ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
6534   ins_pipe(ialu_reg_imm);
6535 %}
6536 
6537 // Long Addition
6538 instruct addL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{
6539   match(Set dst (AddL src1 src2));
6540 
6541   size(4);
6542   format %{ "ADD    $src1,$src2,$dst\t! long" %}
6543   opcode(Assembler::add_op3, Assembler::arith_op);
6544   ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6545   ins_pipe(ialu_reg_reg);
6546 %}
6547 
6548 instruct addL_reg_imm13(iRegL dst, iRegL src1, immL13 con) %{
6549   match(Set dst (AddL src1 con));
6550 
6551   size(4);
6552   format %{ "ADD    $src1,$con,$dst" %}
6553   opcode(Assembler::add_op3, Assembler::arith_op);
6554   ins_encode( form3_rs1_simm13_rd( src1, con, dst ) );
6555   ins_pipe(ialu_reg_imm);
6556 %}
6557 
6558 //----------Conditional_store--------------------------------------------------
6559 // Conditional-store of the updated heap-top.
6560 // Used during allocation of the shared heap.
6561 // Sets flags (EQ) on success.  Implemented with a CASA on Sparc.
6562 
6563 // LoadP-locked.  Same as a regular pointer load when used with a compare-swap
6564 instruct loadPLocked(iRegP dst, memory mem) %{
6565   match(Set dst (LoadPLocked mem));
6566   ins_cost(MEMORY_REF_COST);
6567 
6568 #ifndef _LP64
6569   size(4);
6570   format %{ "LDUW   $mem,$dst\t! ptr" %}
6571   opcode(Assembler::lduw_op3, 0, REGP_OP);
6572 #else
6573   format %{ "LDX    $mem,$dst\t! ptr" %}
6574   opcode(Assembler::ldx_op3, 0, REGP_OP);
6575 #endif
6576   ins_encode( form3_mem_reg( mem, dst ) );
6577   ins_pipe(iload_mem);
6578 %}
6579 
6580 // LoadL-locked.  Same as a regular long load when used with a compare-swap
6581 instruct loadLLocked(iRegL dst, memory mem) %{
6582   match(Set dst (LoadLLocked mem));
6583   ins_cost(MEMORY_REF_COST);
6584   size(4);
6585   format %{ "LDX    $mem,$dst\t! long" %}
6586   opcode(Assembler::ldx_op3);
6587   ins_encode( form3_mem_reg( mem, dst ) );
6588   ins_pipe(iload_mem);
6589 %}
6590 
6591 instruct storePConditional( iRegP heap_top_ptr, iRegP oldval, g3RegP newval, flagsRegP pcc ) %{
6592   match(Set pcc (StorePConditional heap_top_ptr (Binary oldval newval)));
6593   effect( KILL newval );
6594   format %{ "CASA   [$heap_top_ptr],$oldval,R_G3\t! If $oldval==[$heap_top_ptr] Then store R_G3 into [$heap_top_ptr], set R_G3=[$heap_top_ptr] in any case\n\t"
6595             "CMP    R_G3,$oldval\t\t! See if we made progress"  %}
6596   ins_encode( enc_cas(heap_top_ptr,oldval,newval) );
6597   ins_pipe( long_memory_op );
6598 %}
6599 
6600 instruct storeLConditional_bool(iRegP mem_ptr, iRegL oldval, iRegL newval, iRegI res, o7RegI tmp1, flagsReg ccr ) %{
6601   match(Set res (StoreLConditional mem_ptr (Binary oldval newval)));
6602   effect( USE mem_ptr, KILL ccr, KILL tmp1);
6603   // Marshal the register pairs into V9 64-bit registers, then do the compare-and-swap
6604   format %{
6605             "MOV    $newval,R_O7\n\t"
6606             "CASXA  [$mem_ptr],$oldval,R_O7\t! If $oldval==[$mem_ptr] Then store R_O7 into [$mem_ptr], set R_O7=[$mem_ptr] in any case\n\t"
6607             "CMP    $oldval,R_O7\t\t! See if we made progress\n\t"
6608             "MOV    1,$res\n\t"
6609             "MOVne  xcc,R_G0,$res"
6610   %}
6611   ins_encode( enc_casx(mem_ptr, oldval, newval),
6612               enc_lflags_ne_to_boolean(res) );
6613   ins_pipe( long_memory_op );
6614 %}
6615 
6616 instruct storeLConditional_flags(iRegP mem_ptr, iRegL oldval, iRegL newval, flagsRegL xcc, o7RegI tmp1, immI0 zero) %{
6617   match(Set xcc (CmpI (StoreLConditional mem_ptr (Binary oldval newval)) zero));
6618   effect( USE mem_ptr, KILL tmp1);
6619   // Marshal the register pairs into V9 64-bit registers, then do the compare-and-swap
6620   format %{
6621             "MOV    $newval,R_O7\n\t"
6622             "CASXA  [$mem_ptr],$oldval,R_O7\t! If $oldval==[$mem_ptr] Then store R_O7 into [$mem_ptr], set R_O7=[$mem_ptr] in any case\n\t"
6623             "CMP    $oldval,R_O7\t\t! See if we made progress"
6624   %}
6625   ins_encode( enc_casx(mem_ptr, oldval, newval));
6626   ins_pipe( long_memory_op );
6627 %}
6628 
6629 // No flag versions for CompareAndSwap{P,I,L} because matcher can't match them
6630 
6631 instruct compareAndSwapL_bool(iRegP mem_ptr, iRegL oldval, iRegL newval, iRegI res, o7RegI tmp1, flagsReg ccr ) %{
6632   match(Set res (CompareAndSwapL mem_ptr (Binary oldval newval)));
6633   effect( USE mem_ptr, KILL ccr, KILL tmp1);
6634   format %{
6635             "MOV    $newval,O7\n\t"
6636             "CASXA  [$mem_ptr],$oldval,O7\t! If $oldval==[$mem_ptr] Then store O7 into [$mem_ptr], set O7=[$mem_ptr] in any case\n\t"
6637             "CMP    $oldval,O7\t\t! See if we made progress\n\t"
6638             "MOV    1,$res\n\t"
6639             "MOVne  xcc,R_G0,$res"
6640   %}
6641   ins_encode( enc_casx(mem_ptr, oldval, newval),
6642               enc_lflags_ne_to_boolean(res) );
6643   ins_pipe( long_memory_op );
6644 %}
6645 
6646 
6647 instruct compareAndSwapI_bool(iRegP mem_ptr, iRegI oldval, iRegI newval, iRegI res, o7RegI tmp1, flagsReg ccr ) %{
6648   match(Set res (CompareAndSwapI mem_ptr (Binary oldval newval)));
6649   effect( USE mem_ptr, KILL ccr, KILL tmp1);
6650   format %{
6651             "MOV    $newval,O7\n\t"
6652             "CASA   [$mem_ptr],$oldval,O7\t! If $oldval==[$mem_ptr] Then store O7 into [$mem_ptr], set O7=[$mem_ptr] in any case\n\t"
6653             "CMP    $oldval,O7\t\t! See if we made progress\n\t"
6654             "MOV    1,$res\n\t"
6655             "MOVne  icc,R_G0,$res"
6656   %}
6657   ins_encode( enc_casi(mem_ptr, oldval, newval),
6658               enc_iflags_ne_to_boolean(res) );
6659   ins_pipe( long_memory_op );
6660 %}
6661 
6662 instruct compareAndSwapP_bool(iRegP mem_ptr, iRegP oldval, iRegP newval, iRegI res, o7RegI tmp1, flagsReg ccr ) %{
6663   match(Set res (CompareAndSwapP mem_ptr (Binary oldval newval)));
6664   effect( USE mem_ptr, KILL ccr, KILL tmp1);
6665   format %{
6666             "MOV    $newval,O7\n\t"
6667             "CASA_PTR  [$mem_ptr],$oldval,O7\t! If $oldval==[$mem_ptr] Then store O7 into [$mem_ptr], set O7=[$mem_ptr] in any case\n\t"
6668             "CMP    $oldval,O7\t\t! See if we made progress\n\t"
6669             "MOV    1,$res\n\t"
6670             "MOVne  xcc,R_G0,$res"
6671   %}
6672 #ifdef _LP64
6673   ins_encode( enc_casx(mem_ptr, oldval, newval),
6674               enc_lflags_ne_to_boolean(res) );
6675 #else
6676   ins_encode( enc_casi(mem_ptr, oldval, newval),
6677               enc_iflags_ne_to_boolean(res) );
6678 #endif
6679   ins_pipe( long_memory_op );
6680 %}
6681 
6682 instruct compareAndSwapN_bool(iRegP mem_ptr, iRegN oldval, iRegN newval, iRegI res, o7RegI tmp1, flagsReg ccr ) %{
6683   match(Set res (CompareAndSwapN mem_ptr (Binary oldval newval)));
6684   effect( USE mem_ptr, KILL ccr, KILL tmp1);
6685   format %{
6686             "MOV    $newval,O7\n\t"
6687             "CASA   [$mem_ptr],$oldval,O7\t! If $oldval==[$mem_ptr] Then store O7 into [$mem_ptr], set O7=[$mem_ptr] in any case\n\t"
6688             "CMP    $oldval,O7\t\t! See if we made progress\n\t"
6689             "MOV    1,$res\n\t"
6690             "MOVne  icc,R_G0,$res"
6691   %}
6692   ins_encode( enc_casi(mem_ptr, oldval, newval),
6693               enc_iflags_ne_to_boolean(res) );
6694   ins_pipe( long_memory_op );
6695 %}
6696 
6697 //---------------------
6698 // Subtraction Instructions
6699 // Register Subtraction
6700 instruct subI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
6701   match(Set dst (SubI src1 src2));
6702 
6703   size(4);
6704   format %{ "SUB    $src1,$src2,$dst" %}
6705   opcode(Assembler::sub_op3, Assembler::arith_op);
6706   ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6707   ins_pipe(ialu_reg_reg);
6708 %}
6709 
6710 // Immediate Subtraction
6711 instruct subI_reg_imm13(iRegI dst, iRegI src1, immI13 src2) %{
6712   match(Set dst (SubI src1 src2));
6713 
6714   size(4);
6715   format %{ "SUB    $src1,$src2,$dst" %}
6716   opcode(Assembler::sub_op3, Assembler::arith_op);
6717   ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
6718   ins_pipe(ialu_reg_imm);
6719 %}
6720 
6721 instruct subI_zero_reg(iRegI dst, immI0 zero, iRegI src2) %{
6722   match(Set dst (SubI zero src2));
6723 
6724   size(4);
6725   format %{ "NEG    $src2,$dst" %}
6726   opcode(Assembler::sub_op3, Assembler::arith_op);
6727   ins_encode( form3_rs1_rs2_rd( R_G0, src2, dst ) );
6728   ins_pipe(ialu_zero_reg);
6729 %}
6730 
6731 // Long subtraction
6732 instruct subL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{
6733   match(Set dst (SubL src1 src2));
6734 
6735   size(4);
6736   format %{ "SUB    $src1,$src2,$dst\t! long" %}
6737   opcode(Assembler::sub_op3, Assembler::arith_op);
6738   ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6739   ins_pipe(ialu_reg_reg);
6740 %}
6741 
6742 // Immediate Subtraction
6743 instruct subL_reg_imm13(iRegL dst, iRegL src1, immL13 con) %{
6744   match(Set dst (SubL src1 con));
6745 
6746   size(4);
6747   format %{ "SUB    $src1,$con,$dst\t! long" %}
6748   opcode(Assembler::sub_op3, Assembler::arith_op);
6749   ins_encode( form3_rs1_simm13_rd( src1, con, dst ) );
6750   ins_pipe(ialu_reg_imm);
6751 %}
6752 
6753 // Long negation
6754 instruct negL_reg_reg(iRegL dst, immL0 zero, iRegL src2) %{
6755   match(Set dst (SubL zero src2));
6756 
6757   size(4);
6758   format %{ "NEG    $src2,$dst\t! long" %}
6759   opcode(Assembler::sub_op3, Assembler::arith_op);
6760   ins_encode( form3_rs1_rs2_rd( R_G0, src2, dst ) );
6761   ins_pipe(ialu_zero_reg);
6762 %}
6763 
6764 // Multiplication Instructions
6765 // Integer Multiplication
6766 // Register Multiplication
6767 instruct mulI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
6768   match(Set dst (MulI src1 src2));
6769 
6770   size(4);
6771   format %{ "MULX   $src1,$src2,$dst" %}
6772   opcode(Assembler::mulx_op3, Assembler::arith_op);
6773   ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6774   ins_pipe(imul_reg_reg);
6775 %}
6776 
6777 // Immediate Multiplication
6778 instruct mulI_reg_imm13(iRegI dst, iRegI src1, immI13 src2) %{
6779   match(Set dst (MulI src1 src2));
6780 
6781   size(4);
6782   format %{ "MULX   $src1,$src2,$dst" %}
6783   opcode(Assembler::mulx_op3, Assembler::arith_op);
6784   ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
6785   ins_pipe(imul_reg_imm);
6786 %}
6787 
6788 instruct mulL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{
6789   match(Set dst (MulL src1 src2));
6790   ins_cost(DEFAULT_COST * 5);
6791   size(4);
6792   format %{ "MULX   $src1,$src2,$dst\t! long" %}
6793   opcode(Assembler::mulx_op3, Assembler::arith_op);
6794   ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6795   ins_pipe(mulL_reg_reg);
6796 %}
6797 
6798 // Immediate Multiplication
6799 instruct mulL_reg_imm13(iRegL dst, iRegL src1, immL13 src2) %{
6800   match(Set dst (MulL src1 src2));
6801   ins_cost(DEFAULT_COST * 5);
6802   size(4);
6803   format %{ "MULX   $src1,$src2,$dst" %}
6804   opcode(Assembler::mulx_op3, Assembler::arith_op);
6805   ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
6806   ins_pipe(mulL_reg_imm);
6807 %}
6808 
6809 // Integer Division
6810 // Register Division
6811 instruct divI_reg_reg(iRegI dst, iRegIsafe src1, iRegIsafe src2) %{
6812   match(Set dst (DivI src1 src2));
6813   ins_cost((2+71)*DEFAULT_COST);
6814 
6815   format %{ "SRA     $src2,0,$src2\n\t"
6816             "SRA     $src1,0,$src1\n\t"
6817             "SDIVX   $src1,$src2,$dst" %}
6818   ins_encode( idiv_reg( src1, src2, dst ) );
6819   ins_pipe(sdiv_reg_reg);
6820 %}
6821 
6822 // Immediate Division
6823 instruct divI_reg_imm13(iRegI dst, iRegIsafe src1, immI13 src2) %{
6824   match(Set dst (DivI src1 src2));
6825   ins_cost((2+71)*DEFAULT_COST);
6826 
6827   format %{ "SRA     $src1,0,$src1\n\t"
6828             "SDIVX   $src1,$src2,$dst" %}
6829   ins_encode( idiv_imm( src1, src2, dst ) );
6830   ins_pipe(sdiv_reg_imm);
6831 %}
6832 
6833 //----------Div-By-10-Expansion------------------------------------------------
6834 // Extract hi bits of a 32x32->64 bit multiply.
6835 // Expand rule only, not matched
6836 instruct mul_hi(iRegIsafe dst, iRegIsafe src1, iRegIsafe src2 ) %{
6837   effect( DEF dst, USE src1, USE src2 );
6838   format %{ "MULX   $src1,$src2,$dst\t! Used in div-by-10\n\t"
6839             "SRLX   $dst,#32,$dst\t\t! Extract only hi word of result" %}
6840   ins_encode( enc_mul_hi(dst,src1,src2));
6841   ins_pipe(sdiv_reg_reg);
6842 %}
6843 
6844 // Magic constant, reciprical of 10
6845 instruct loadConI_x66666667(iRegIsafe dst) %{
6846   effect( DEF dst );
6847 
6848   size(8);
6849   format %{ "SET    0x66666667,$dst\t! Used in div-by-10" %}
6850   ins_encode( Set32(0x66666667, dst) );
6851   ins_pipe(ialu_hi_lo_reg);
6852 %}
6853 
6854 // Register Shift Right Arithmatic Long by 32-63
6855 instruct sra_31( iRegI dst, iRegI src ) %{
6856   effect( DEF dst, USE src );
6857   format %{ "SRA    $src,31,$dst\t! Used in div-by-10" %}
6858   ins_encode( form3_rs1_rd_copysign_hi(src,dst) );
6859   ins_pipe(ialu_reg_reg);
6860 %}
6861 
6862 // Arithmetic Shift Right by 8-bit immediate
6863 instruct sra_reg_2( iRegI dst, iRegI src ) %{
6864   effect( DEF dst, USE src );
6865   format %{ "SRA    $src,2,$dst\t! Used in div-by-10" %}
6866   opcode(Assembler::sra_op3, Assembler::arith_op);
6867   ins_encode( form3_rs1_simm13_rd( src, 0x2, dst ) );
6868   ins_pipe(ialu_reg_imm);
6869 %}
6870 
6871 // Integer DIV with 10
6872 instruct divI_10( iRegI dst, iRegIsafe src, immI10 div ) %{
6873   match(Set dst (DivI src div));
6874   ins_cost((6+6)*DEFAULT_COST);
6875   expand %{
6876     iRegIsafe tmp1;               // Killed temps;
6877     iRegIsafe tmp2;               // Killed temps;
6878     iRegI tmp3;                   // Killed temps;
6879     iRegI tmp4;                   // Killed temps;
6880     loadConI_x66666667( tmp1 );   // SET  0x66666667 -> tmp1
6881     mul_hi( tmp2, src, tmp1 );    // MUL  hibits(src * tmp1) -> tmp2
6882     sra_31( tmp3, src );          // SRA  src,31 -> tmp3
6883     sra_reg_2( tmp4, tmp2 );      // SRA  tmp2,2 -> tmp4
6884     subI_reg_reg( dst,tmp4,tmp3); // SUB  tmp4 - tmp3 -> dst
6885   %}
6886 %}
6887 
6888 // Register Long Division
6889 instruct divL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{
6890   match(Set dst (DivL src1 src2));
6891   ins_cost(DEFAULT_COST*71);
6892   size(4);
6893   format %{ "SDIVX  $src1,$src2,$dst\t! long" %}
6894   opcode(Assembler::sdivx_op3, Assembler::arith_op);
6895   ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6896   ins_pipe(divL_reg_reg);
6897 %}
6898 
6899 // Register Long Division
6900 instruct divL_reg_imm13(iRegL dst, iRegL src1, immL13 src2) %{
6901   match(Set dst (DivL src1 src2));
6902   ins_cost(DEFAULT_COST*71);
6903   size(4);
6904   format %{ "SDIVX  $src1,$src2,$dst\t! long" %}
6905   opcode(Assembler::sdivx_op3, Assembler::arith_op);
6906   ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
6907   ins_pipe(divL_reg_imm);
6908 %}
6909 
6910 // Integer Remainder
6911 // Register Remainder
6912 instruct modI_reg_reg(iRegI dst, iRegIsafe src1, iRegIsafe src2, o7RegP temp, flagsReg ccr ) %{
6913   match(Set dst (ModI src1 src2));
6914   effect( KILL ccr, KILL temp);
6915 
6916   format %{ "SREM   $src1,$src2,$dst" %}
6917   ins_encode( irem_reg(src1, src2, dst, temp) );
6918   ins_pipe(sdiv_reg_reg);
6919 %}
6920 
6921 // Immediate Remainder
6922 instruct modI_reg_imm13(iRegI dst, iRegIsafe src1, immI13 src2, o7RegP temp, flagsReg ccr ) %{
6923   match(Set dst (ModI src1 src2));
6924   effect( KILL ccr, KILL temp);
6925 
6926   format %{ "SREM   $src1,$src2,$dst" %}
6927   ins_encode( irem_imm(src1, src2, dst, temp) );
6928   ins_pipe(sdiv_reg_imm);
6929 %}
6930 
6931 // Register Long Remainder
6932 instruct divL_reg_reg_1(iRegL dst, iRegL src1, iRegL src2) %{
6933   effect(DEF dst, USE src1, USE src2);
6934   size(4);
6935   format %{ "SDIVX  $src1,$src2,$dst\t! long" %}
6936   opcode(Assembler::sdivx_op3, Assembler::arith_op);
6937   ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6938   ins_pipe(divL_reg_reg);
6939 %}
6940 
6941 // Register Long Division
6942 instruct divL_reg_imm13_1(iRegL dst, iRegL src1, immL13 src2) %{
6943   effect(DEF dst, USE src1, USE src2);
6944   size(4);
6945   format %{ "SDIVX  $src1,$src2,$dst\t! long" %}
6946   opcode(Assembler::sdivx_op3, Assembler::arith_op);
6947   ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
6948   ins_pipe(divL_reg_imm);
6949 %}
6950 
6951 instruct mulL_reg_reg_1(iRegL dst, iRegL src1, iRegL src2) %{
6952   effect(DEF dst, USE src1, USE src2);
6953   size(4);
6954   format %{ "MULX   $src1,$src2,$dst\t! long" %}
6955   opcode(Assembler::mulx_op3, Assembler::arith_op);
6956   ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6957   ins_pipe(mulL_reg_reg);
6958 %}
6959 
6960 // Immediate Multiplication
6961 instruct mulL_reg_imm13_1(iRegL dst, iRegL src1, immL13 src2) %{
6962   effect(DEF dst, USE src1, USE src2);
6963   size(4);
6964   format %{ "MULX   $src1,$src2,$dst" %}
6965   opcode(Assembler::mulx_op3, Assembler::arith_op);
6966   ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
6967   ins_pipe(mulL_reg_imm);
6968 %}
6969 
6970 instruct subL_reg_reg_1(iRegL dst, iRegL src1, iRegL src2) %{
6971   effect(DEF dst, USE src1, USE src2);
6972   size(4);
6973   format %{ "SUB    $src1,$src2,$dst\t! long" %}
6974   opcode(Assembler::sub_op3, Assembler::arith_op);
6975   ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6976   ins_pipe(ialu_reg_reg);
6977 %}
6978 
6979 instruct subL_reg_reg_2(iRegL dst, iRegL src1, iRegL src2) %{
6980   effect(DEF dst, USE src1, USE src2);
6981   size(4);
6982   format %{ "SUB    $src1,$src2,$dst\t! long" %}
6983   opcode(Assembler::sub_op3, Assembler::arith_op);
6984   ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
6985   ins_pipe(ialu_reg_reg);
6986 %}
6987 
6988 // Register Long Remainder
6989 instruct modL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{
6990   match(Set dst (ModL src1 src2));
6991   ins_cost(DEFAULT_COST*(71 + 6 + 1));
6992   expand %{
6993     iRegL tmp1;
6994     iRegL tmp2;
6995     divL_reg_reg_1(tmp1, src1, src2);
6996     mulL_reg_reg_1(tmp2, tmp1, src2);
6997     subL_reg_reg_1(dst,  src1, tmp2);
6998   %}
6999 %}
7000 
7001 // Register Long Remainder
7002 instruct modL_reg_imm13(iRegL dst, iRegL src1, immL13 src2) %{
7003   match(Set dst (ModL src1 src2));
7004   ins_cost(DEFAULT_COST*(71 + 6 + 1));
7005   expand %{
7006     iRegL tmp1;
7007     iRegL tmp2;
7008     divL_reg_imm13_1(tmp1, src1, src2);
7009     mulL_reg_imm13_1(tmp2, tmp1, src2);
7010     subL_reg_reg_2  (dst,  src1, tmp2);
7011   %}
7012 %}
7013 
7014 // Integer Shift Instructions
7015 // Register Shift Left
7016 instruct shlI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
7017   match(Set dst (LShiftI src1 src2));
7018 
7019   size(4);
7020   format %{ "SLL    $src1,$src2,$dst" %}
7021   opcode(Assembler::sll_op3, Assembler::arith_op);
7022   ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
7023   ins_pipe(ialu_reg_reg);
7024 %}
7025 
7026 // Register Shift Left Immediate
7027 instruct shlI_reg_imm5(iRegI dst, iRegI src1, immU5 src2) %{
7028   match(Set dst (LShiftI src1 src2));
7029 
7030   size(4);
7031   format %{ "SLL    $src1,$src2,$dst" %}
7032   opcode(Assembler::sll_op3, Assembler::arith_op);
7033   ins_encode( form3_rs1_imm5_rd( src1, src2, dst ) );
7034   ins_pipe(ialu_reg_imm);
7035 %}
7036 
7037 // Register Shift Left
7038 instruct shlL_reg_reg(iRegL dst, iRegL src1, iRegI src2) %{
7039   match(Set dst (LShiftL src1 src2));
7040 
7041   size(4);
7042   format %{ "SLLX   $src1,$src2,$dst" %}
7043   opcode(Assembler::sllx_op3, Assembler::arith_op);
7044   ins_encode( form3_sd_rs1_rs2_rd( src1, src2, dst ) );
7045   ins_pipe(ialu_reg_reg);
7046 %}
7047 
7048 // Register Shift Left Immediate
7049 instruct shlL_reg_imm6(iRegL dst, iRegL src1, immU6 src2) %{
7050   match(Set dst (LShiftL src1 src2));
7051 
7052   size(4);
7053   format %{ "SLLX   $src1,$src2,$dst" %}
7054   opcode(Assembler::sllx_op3, Assembler::arith_op);
7055   ins_encode( form3_sd_rs1_imm6_rd( src1, src2, dst ) );
7056   ins_pipe(ialu_reg_imm);
7057 %}
7058 
7059 // Register Arithmetic Shift Right
7060 instruct sarI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
7061   match(Set dst (RShiftI src1 src2));
7062   size(4);
7063   format %{ "SRA    $src1,$src2,$dst" %}
7064   opcode(Assembler::sra_op3, Assembler::arith_op);
7065   ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
7066   ins_pipe(ialu_reg_reg);
7067 %}
7068 
7069 // Register Arithmetic Shift Right Immediate
7070 instruct sarI_reg_imm5(iRegI dst, iRegI src1, immU5 src2) %{
7071   match(Set dst (RShiftI src1 src2));
7072 
7073   size(4);
7074   format %{ "SRA    $src1,$src2,$dst" %}
7075   opcode(Assembler::sra_op3, Assembler::arith_op);
7076   ins_encode( form3_rs1_imm5_rd( src1, src2, dst ) );
7077   ins_pipe(ialu_reg_imm);
7078 %}
7079 
7080 // Register Shift Right Arithmatic Long
7081 instruct sarL_reg_reg(iRegL dst, iRegL src1, iRegI src2) %{
7082   match(Set dst (RShiftL src1 src2));
7083 
7084   size(4);
7085   format %{ "SRAX   $src1,$src2,$dst" %}
7086   opcode(Assembler::srax_op3, Assembler::arith_op);
7087   ins_encode( form3_sd_rs1_rs2_rd( src1, src2, dst ) );
7088   ins_pipe(ialu_reg_reg);
7089 %}
7090 
7091 // Register Shift Left Immediate
7092 instruct sarL_reg_imm6(iRegL dst, iRegL src1, immU6 src2) %{
7093   match(Set dst (RShiftL src1 src2));
7094 
7095   size(4);
7096   format %{ "SRAX   $src1,$src2,$dst" %}
7097   opcode(Assembler::srax_op3, Assembler::arith_op);
7098   ins_encode( form3_sd_rs1_imm6_rd( src1, src2, dst ) );
7099   ins_pipe(ialu_reg_imm);
7100 %}
7101 
7102 // Register Shift Right
7103 instruct shrI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
7104   match(Set dst (URShiftI src1 src2));
7105 
7106   size(4);
7107   format %{ "SRL    $src1,$src2,$dst" %}
7108   opcode(Assembler::srl_op3, Assembler::arith_op);
7109   ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
7110   ins_pipe(ialu_reg_reg);
7111 %}
7112 
7113 // Register Shift Right Immediate
7114 instruct shrI_reg_imm5(iRegI dst, iRegI src1, immU5 src2) %{
7115   match(Set dst (URShiftI src1 src2));
7116 
7117   size(4);
7118   format %{ "SRL    $src1,$src2,$dst" %}
7119   opcode(Assembler::srl_op3, Assembler::arith_op);
7120   ins_encode( form3_rs1_imm5_rd( src1, src2, dst ) );
7121   ins_pipe(ialu_reg_imm);
7122 %}
7123 
7124 // Register Shift Right
7125 instruct shrL_reg_reg(iRegL dst, iRegL src1, iRegI src2) %{
7126   match(Set dst (URShiftL src1 src2));
7127 
7128   size(4);
7129   format %{ "SRLX   $src1,$src2,$dst" %}
7130   opcode(Assembler::srlx_op3, Assembler::arith_op);
7131   ins_encode( form3_sd_rs1_rs2_rd( src1, src2, dst ) );
7132   ins_pipe(ialu_reg_reg);
7133 %}
7134 
7135 // Register Shift Right Immediate
7136 instruct shrL_reg_imm6(iRegL dst, iRegL src1, immU6 src2) %{
7137   match(Set dst (URShiftL src1 src2));
7138 
7139   size(4);
7140   format %{ "SRLX   $src1,$src2,$dst" %}
7141   opcode(Assembler::srlx_op3, Assembler::arith_op);
7142   ins_encode( form3_sd_rs1_imm6_rd( src1, src2, dst ) );
7143   ins_pipe(ialu_reg_imm);
7144 %}
7145 
7146 // Register Shift Right Immediate with a CastP2X
7147 #ifdef _LP64
7148 instruct shrP_reg_imm6(iRegL dst, iRegP src1, immU6 src2) %{
7149   match(Set dst (URShiftL (CastP2X src1) src2));
7150   size(4);
7151   format %{ "SRLX   $src1,$src2,$dst\t! Cast ptr $src1 to long and shift" %}
7152   opcode(Assembler::srlx_op3, Assembler::arith_op);
7153   ins_encode( form3_sd_rs1_imm6_rd( src1, src2, dst ) );
7154   ins_pipe(ialu_reg_imm);
7155 %}
7156 #else
7157 instruct shrP_reg_imm5(iRegI dst, iRegP src1, immU5 src2) %{
7158   match(Set dst (URShiftI (CastP2X src1) src2));
7159   size(4);
7160   format %{ "SRL    $src1,$src2,$dst\t! Cast ptr $src1 to int and shift" %}
7161   opcode(Assembler::srl_op3, Assembler::arith_op);
7162   ins_encode( form3_rs1_imm5_rd( src1, src2, dst ) );
7163   ins_pipe(ialu_reg_imm);
7164 %}
7165 #endif
7166 
7167 
7168 //----------Floating Point Arithmetic Instructions-----------------------------
7169 
7170 //  Add float single precision
7171 instruct addF_reg_reg(regF dst, regF src1, regF src2) %{
7172   match(Set dst (AddF src1 src2));
7173 
7174   size(4);
7175   format %{ "FADDS  $src1,$src2,$dst" %}
7176   opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fadds_opf);
7177   ins_encode(form3_opf_rs1F_rs2F_rdF(src1, src2, dst));
7178   ins_pipe(faddF_reg_reg);
7179 %}
7180 
7181 //  Add float double precision
7182 instruct addD_reg_reg(regD dst, regD src1, regD src2) %{
7183   match(Set dst (AddD src1 src2));
7184 
7185   size(4);
7186   format %{ "FADDD  $src1,$src2,$dst" %}
7187   opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::faddd_opf);
7188   ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst));
7189   ins_pipe(faddD_reg_reg);
7190 %}
7191 
7192 //  Sub float single precision
7193 instruct subF_reg_reg(regF dst, regF src1, regF src2) %{
7194   match(Set dst (SubF src1 src2));
7195 
7196   size(4);
7197   format %{ "FSUBS  $src1,$src2,$dst" %}
7198   opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fsubs_opf);
7199   ins_encode(form3_opf_rs1F_rs2F_rdF(src1, src2, dst));
7200   ins_pipe(faddF_reg_reg);
7201 %}
7202 
7203 //  Sub float double precision
7204 instruct subD_reg_reg(regD dst, regD src1, regD src2) %{
7205   match(Set dst (SubD src1 src2));
7206 
7207   size(4);
7208   format %{ "FSUBD  $src1,$src2,$dst" %}
7209   opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fsubd_opf);
7210   ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst));
7211   ins_pipe(faddD_reg_reg);
7212 %}
7213 
7214 //  Mul float single precision
7215 instruct mulF_reg_reg(regF dst, regF src1, regF src2) %{
7216   match(Set dst (MulF src1 src2));
7217 
7218   size(4);
7219   format %{ "FMULS  $src1,$src2,$dst" %}
7220   opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fmuls_opf);
7221   ins_encode(form3_opf_rs1F_rs2F_rdF(src1, src2, dst));
7222   ins_pipe(fmulF_reg_reg);
7223 %}
7224 
7225 //  Mul float double precision
7226 instruct mulD_reg_reg(regD dst, regD src1, regD src2) %{
7227   match(Set dst (MulD src1 src2));
7228 
7229   size(4);
7230   format %{ "FMULD  $src1,$src2,$dst" %}
7231   opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fmuld_opf);
7232   ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst));
7233   ins_pipe(fmulD_reg_reg);
7234 %}
7235 
7236 //  Div float single precision
7237 instruct divF_reg_reg(regF dst, regF src1, regF src2) %{
7238   match(Set dst (DivF src1 src2));
7239 
7240   size(4);
7241   format %{ "FDIVS  $src1,$src2,$dst" %}
7242   opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fdivs_opf);
7243   ins_encode(form3_opf_rs1F_rs2F_rdF(src1, src2, dst));
7244   ins_pipe(fdivF_reg_reg);
7245 %}
7246 
7247 //  Div float double precision
7248 instruct divD_reg_reg(regD dst, regD src1, regD src2) %{
7249   match(Set dst (DivD src1 src2));
7250 
7251   size(4);
7252   format %{ "FDIVD  $src1,$src2,$dst" %}
7253   opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fdivd_opf);
7254   ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst));
7255   ins_pipe(fdivD_reg_reg);
7256 %}
7257 
7258 //  Absolute float double precision
7259 instruct absD_reg(regD dst, regD src) %{
7260   match(Set dst (AbsD src));
7261 
7262   format %{ "FABSd  $src,$dst" %}
7263   ins_encode(fabsd(dst, src));
7264   ins_pipe(faddD_reg);
7265 %}
7266 
7267 //  Absolute float single precision
7268 instruct absF_reg(regF dst, regF src) %{
7269   match(Set dst (AbsF src));
7270 
7271   format %{ "FABSs  $src,$dst" %}
7272   ins_encode(fabss(dst, src));
7273   ins_pipe(faddF_reg);
7274 %}
7275 
7276 instruct negF_reg(regF dst, regF src) %{
7277   match(Set dst (NegF src));
7278 
7279   size(4);
7280   format %{ "FNEGs  $src,$dst" %}
7281   opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fnegs_opf);
7282   ins_encode(form3_opf_rs2F_rdF(src, dst));
7283   ins_pipe(faddF_reg);
7284 %}
7285 
7286 instruct negD_reg(regD dst, regD src) %{
7287   match(Set dst (NegD src));
7288 
7289   format %{ "FNEGd  $src,$dst" %}
7290   ins_encode(fnegd(dst, src));
7291   ins_pipe(faddD_reg);
7292 %}
7293 
7294 //  Sqrt float double precision
7295 instruct sqrtF_reg_reg(regF dst, regF src) %{
7296   match(Set dst (ConvD2F (SqrtD (ConvF2D src))));
7297 
7298   size(4);
7299   format %{ "FSQRTS $src,$dst" %}
7300   ins_encode(fsqrts(dst, src));
7301   ins_pipe(fdivF_reg_reg);
7302 %}
7303 
7304 //  Sqrt float double precision
7305 instruct sqrtD_reg_reg(regD dst, regD src) %{
7306   match(Set dst (SqrtD src));
7307 
7308   size(4);
7309   format %{ "FSQRTD $src,$dst" %}
7310   ins_encode(fsqrtd(dst, src));
7311   ins_pipe(fdivD_reg_reg);
7312 %}
7313 
7314 //----------Logical Instructions-----------------------------------------------
7315 // And Instructions
7316 // Register And
7317 instruct andI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
7318   match(Set dst (AndI src1 src2));
7319 
7320   size(4);
7321   format %{ "AND    $src1,$src2,$dst" %}
7322   opcode(Assembler::and_op3, Assembler::arith_op);
7323   ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
7324   ins_pipe(ialu_reg_reg);
7325 %}
7326 
7327 // Immediate And
7328 instruct andI_reg_imm13(iRegI dst, iRegI src1, immI13 src2) %{
7329   match(Set dst (AndI src1 src2));
7330 
7331   size(4);
7332   format %{ "AND    $src1,$src2,$dst" %}
7333   opcode(Assembler::and_op3, Assembler::arith_op);
7334   ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
7335   ins_pipe(ialu_reg_imm);
7336 %}
7337 
7338 // Register And Long
7339 instruct andL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{
7340   match(Set dst (AndL src1 src2));
7341 
7342   ins_cost(DEFAULT_COST);
7343   size(4);
7344   format %{ "AND    $src1,$src2,$dst\t! long" %}
7345   opcode(Assembler::and_op3, Assembler::arith_op);
7346   ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
7347   ins_pipe(ialu_reg_reg);
7348 %}
7349 
7350 instruct andL_reg_imm13(iRegL dst, iRegL src1, immL13 con) %{
7351   match(Set dst (AndL src1 con));
7352 
7353   ins_cost(DEFAULT_COST);
7354   size(4);
7355   format %{ "AND    $src1,$con,$dst\t! long" %}
7356   opcode(Assembler::and_op3, Assembler::arith_op);
7357   ins_encode( form3_rs1_simm13_rd( src1, con, dst ) );
7358   ins_pipe(ialu_reg_imm);
7359 %}
7360 
7361 // Or Instructions
7362 // Register Or
7363 instruct orI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
7364   match(Set dst (OrI src1 src2));
7365 
7366   size(4);
7367   format %{ "OR     $src1,$src2,$dst" %}
7368   opcode(Assembler::or_op3, Assembler::arith_op);
7369   ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
7370   ins_pipe(ialu_reg_reg);
7371 %}
7372 
7373 // Immediate Or
7374 instruct orI_reg_imm13(iRegI dst, iRegI src1, immI13 src2) %{
7375   match(Set dst (OrI src1 src2));
7376 
7377   size(4);
7378   format %{ "OR     $src1,$src2,$dst" %}
7379   opcode(Assembler::or_op3, Assembler::arith_op);
7380   ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
7381   ins_pipe(ialu_reg_imm);
7382 %}
7383 
7384 // Register Or Long
7385 instruct orL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{
7386   match(Set dst (OrL src1 src2));
7387 
7388   ins_cost(DEFAULT_COST);
7389   size(4);
7390   format %{ "OR     $src1,$src2,$dst\t! long" %}
7391   opcode(Assembler::or_op3, Assembler::arith_op);
7392   ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
7393   ins_pipe(ialu_reg_reg);
7394 %}
7395 
7396 instruct orL_reg_imm13(iRegL dst, iRegL src1, immL13 con) %{
7397   match(Set dst (OrL src1 con));
7398   ins_cost(DEFAULT_COST*2);
7399 
7400   ins_cost(DEFAULT_COST);
7401   size(4);
7402   format %{ "OR     $src1,$con,$dst\t! long" %}
7403   opcode(Assembler::or_op3, Assembler::arith_op);
7404   ins_encode( form3_rs1_simm13_rd( src1, con, dst ) );
7405   ins_pipe(ialu_reg_imm);
7406 %}
7407 
7408 // Xor Instructions
7409 // Register Xor
7410 instruct xorI_reg_reg(iRegI dst, iRegI src1, iRegI src2) %{
7411   match(Set dst (XorI src1 src2));
7412 
7413   size(4);
7414   format %{ "XOR    $src1,$src2,$dst" %}
7415   opcode(Assembler::xor_op3, Assembler::arith_op);
7416   ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
7417   ins_pipe(ialu_reg_reg);
7418 %}
7419 
7420 // Immediate Xor
7421 instruct xorI_reg_imm13(iRegI dst, iRegI src1, immI13 src2) %{
7422   match(Set dst (XorI src1 src2));
7423 
7424   size(4);
7425   format %{ "XOR    $src1,$src2,$dst" %}
7426   opcode(Assembler::xor_op3, Assembler::arith_op);
7427   ins_encode( form3_rs1_simm13_rd( src1, src2, dst ) );
7428   ins_pipe(ialu_reg_imm);
7429 %}
7430 
7431 // Register Xor Long
7432 instruct xorL_reg_reg(iRegL dst, iRegL src1, iRegL src2) %{
7433   match(Set dst (XorL src1 src2));
7434 
7435   ins_cost(DEFAULT_COST);
7436   size(4);
7437   format %{ "XOR    $src1,$src2,$dst\t! long" %}
7438   opcode(Assembler::xor_op3, Assembler::arith_op);
7439   ins_encode( form3_rs1_rs2_rd( src1, src2, dst ) );
7440   ins_pipe(ialu_reg_reg);
7441 %}
7442 
7443 instruct xorL_reg_imm13(iRegL dst, iRegL src1, immL13 con) %{
7444   match(Set dst (XorL src1 con));
7445 
7446   ins_cost(DEFAULT_COST);
7447   size(4);
7448   format %{ "XOR    $src1,$con,$dst\t! long" %}
7449   opcode(Assembler::xor_op3, Assembler::arith_op);
7450   ins_encode( form3_rs1_simm13_rd( src1, con, dst ) );
7451   ins_pipe(ialu_reg_imm);
7452 %}
7453 
7454 //----------Convert to Boolean-------------------------------------------------
7455 // Nice hack for 32-bit tests but doesn't work for
7456 // 64-bit pointers.
7457 instruct convI2B( iRegI dst, iRegI src, flagsReg ccr ) %{
7458   match(Set dst (Conv2B src));
7459   effect( KILL ccr );
7460   ins_cost(DEFAULT_COST*2);
7461   format %{ "CMP    R_G0,$src\n\t"
7462             "ADDX   R_G0,0,$dst" %}
7463   ins_encode( enc_to_bool( src, dst ) );
7464   ins_pipe(ialu_reg_ialu);
7465 %}
7466 
7467 #ifndef _LP64
7468 instruct convP2B( iRegI dst, iRegP src, flagsReg ccr ) %{
7469   match(Set dst (Conv2B src));
7470   effect( KILL ccr );
7471   ins_cost(DEFAULT_COST*2);
7472   format %{ "CMP    R_G0,$src\n\t"
7473             "ADDX   R_G0,0,$dst" %}
7474   ins_encode( enc_to_bool( src, dst ) );
7475   ins_pipe(ialu_reg_ialu);
7476 %}
7477 #else
7478 instruct convP2B( iRegI dst, iRegP src ) %{
7479   match(Set dst (Conv2B src));
7480   ins_cost(DEFAULT_COST*2);
7481   format %{ "MOV    $src,$dst\n\t"
7482             "MOVRNZ $src,1,$dst" %}
7483   ins_encode( form3_g0_rs2_rd_move( src, dst ), enc_convP2B( dst, src ) );
7484   ins_pipe(ialu_clr_and_mover);
7485 %}
7486 #endif
7487 
7488 instruct cmpLTMask_reg_reg( iRegI dst, iRegI p, iRegI q, flagsReg ccr ) %{
7489   match(Set dst (CmpLTMask p q));
7490   effect( KILL ccr );
7491   ins_cost(DEFAULT_COST*4);
7492   format %{ "CMP    $p,$q\n\t"
7493             "MOV    #0,$dst\n\t"
7494             "BLT,a  .+8\n\t"
7495             "MOV    #-1,$dst" %}
7496   ins_encode( enc_ltmask(p,q,dst) );
7497   ins_pipe(ialu_reg_reg_ialu);
7498 %}
7499 
7500 instruct cadd_cmpLTMask( iRegI p, iRegI q, iRegI y, iRegI tmp, flagsReg ccr ) %{
7501   match(Set p (AddI (AndI (CmpLTMask p q) y) (SubI p q)));
7502   effect(KILL ccr, TEMP tmp);
7503   ins_cost(DEFAULT_COST*3);
7504 
7505   format %{ "SUBcc  $p,$q,$p\t! p' = p-q\n\t"
7506             "ADD    $p,$y,$tmp\t! g3=p-q+y\n\t"
7507             "MOVl   $tmp,$p\t! p' < 0 ? p'+y : p'" %}
7508   ins_encode( enc_cadd_cmpLTMask(p, q, y, tmp) );
7509   ins_pipe( cadd_cmpltmask );
7510 %}
7511 
7512 instruct cadd_cmpLTMask2( iRegI p, iRegI q, iRegI y, iRegI tmp, flagsReg ccr ) %{
7513   match(Set p (AddI (SubI p q) (AndI (CmpLTMask p q) y)));
7514   effect( KILL ccr, TEMP tmp);
7515   ins_cost(DEFAULT_COST*3);
7516 
7517   format %{ "SUBcc  $p,$q,$p\t! p' = p-q\n\t"
7518             "ADD    $p,$y,$tmp\t! g3=p-q+y\n\t"
7519             "MOVl   $tmp,$p\t! p' < 0 ? p'+y : p'" %}
7520   ins_encode( enc_cadd_cmpLTMask(p, q, y, tmp) );
7521   ins_pipe( cadd_cmpltmask );
7522 %}
7523 
7524 //----------Arithmetic Conversion Instructions---------------------------------
7525 // The conversions operations are all Alpha sorted.  Please keep it that way!
7526 
7527 instruct convD2F_reg(regF dst, regD src) %{
7528   match(Set dst (ConvD2F src));
7529   size(4);
7530   format %{ "FDTOS  $src,$dst" %}
7531   opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fdtos_opf);
7532   ins_encode(form3_opf_rs2D_rdF(src, dst));
7533   ins_pipe(fcvtD2F);
7534 %}
7535 
7536 
7537 // Convert a double to an int in a float register.
7538 // If the double is a NAN, stuff a zero in instead.
7539 instruct convD2I_helper(regF dst, regD src, flagsRegF0 fcc0) %{
7540   effect(DEF dst, USE src, KILL fcc0);
7541   format %{ "FCMPd  fcc0,$src,$src\t! check for NAN\n\t"
7542             "FBO,pt fcc0,skip\t! branch on ordered, predict taken\n\t"
7543             "FDTOI  $src,$dst\t! convert in delay slot\n\t"
7544             "FITOS  $dst,$dst\t! change NaN/max-int to valid float\n\t"
7545             "FSUBs  $dst,$dst,$dst\t! cleared only if nan\n"
7546       "skip:" %}
7547   ins_encode(form_d2i_helper(src,dst));
7548   ins_pipe(fcvtD2I);
7549 %}
7550 
7551 instruct convD2I_reg(stackSlotI dst, regD src) %{
7552   match(Set dst (ConvD2I src));
7553   ins_cost(DEFAULT_COST*2 + MEMORY_REF_COST*2 + BRANCH_COST);
7554   expand %{
7555     regF tmp;
7556     convD2I_helper(tmp, src);
7557     regF_to_stkI(dst, tmp);
7558   %}
7559 %}
7560 
7561 // Convert a double to a long in a double register.
7562 // If the double is a NAN, stuff a zero in instead.
7563 instruct convD2L_helper(regD dst, regD src, flagsRegF0 fcc0) %{
7564   effect(DEF dst, USE src, KILL fcc0);
7565   format %{ "FCMPd  fcc0,$src,$src\t! check for NAN\n\t"
7566             "FBO,pt fcc0,skip\t! branch on ordered, predict taken\n\t"
7567             "FDTOX  $src,$dst\t! convert in delay slot\n\t"
7568             "FXTOD  $dst,$dst\t! change NaN/max-long to valid double\n\t"
7569             "FSUBd  $dst,$dst,$dst\t! cleared only if nan\n"
7570       "skip:" %}
7571   ins_encode(form_d2l_helper(src,dst));
7572   ins_pipe(fcvtD2L);
7573 %}
7574 
7575 
7576 // Double to Long conversion
7577 instruct convD2L_reg(stackSlotL dst, regD src) %{
7578   match(Set dst (ConvD2L src));
7579   ins_cost(DEFAULT_COST*2 + MEMORY_REF_COST*2 + BRANCH_COST);
7580   expand %{
7581     regD tmp;
7582     convD2L_helper(tmp, src);
7583     regD_to_stkL(dst, tmp);
7584   %}
7585 %}
7586 
7587 
7588 instruct convF2D_reg(regD dst, regF src) %{
7589   match(Set dst (ConvF2D src));
7590   format %{ "FSTOD  $src,$dst" %}
7591   opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fstod_opf);
7592   ins_encode(form3_opf_rs2F_rdD(src, dst));
7593   ins_pipe(fcvtF2D);
7594 %}
7595 
7596 
7597 instruct convF2I_helper(regF dst, regF src, flagsRegF0 fcc0) %{
7598   effect(DEF dst, USE src, KILL fcc0);
7599   format %{ "FCMPs  fcc0,$src,$src\t! check for NAN\n\t"
7600             "FBO,pt fcc0,skip\t! branch on ordered, predict taken\n\t"
7601             "FSTOI  $src,$dst\t! convert in delay slot\n\t"
7602             "FITOS  $dst,$dst\t! change NaN/max-int to valid float\n\t"
7603             "FSUBs  $dst,$dst,$dst\t! cleared only if nan\n"
7604       "skip:" %}
7605   ins_encode(form_f2i_helper(src,dst));
7606   ins_pipe(fcvtF2I);
7607 %}
7608 
7609 instruct convF2I_reg(stackSlotI dst, regF src) %{
7610   match(Set dst (ConvF2I src));
7611   ins_cost(DEFAULT_COST*2 + MEMORY_REF_COST*2 + BRANCH_COST);
7612   expand %{
7613     regF tmp;
7614     convF2I_helper(tmp, src);
7615     regF_to_stkI(dst, tmp);
7616   %}
7617 %}
7618 
7619 
7620 instruct convF2L_helper(regD dst, regF src, flagsRegF0 fcc0) %{
7621   effect(DEF dst, USE src, KILL fcc0);
7622   format %{ "FCMPs  fcc0,$src,$src\t! check for NAN\n\t"
7623             "FBO,pt fcc0,skip\t! branch on ordered, predict taken\n\t"
7624             "FSTOX  $src,$dst\t! convert in delay slot\n\t"
7625             "FXTOD  $dst,$dst\t! change NaN/max-long to valid double\n\t"
7626             "FSUBd  $dst,$dst,$dst\t! cleared only if nan\n"
7627       "skip:" %}
7628   ins_encode(form_f2l_helper(src,dst));
7629   ins_pipe(fcvtF2L);
7630 %}
7631 
7632 // Float to Long conversion
7633 instruct convF2L_reg(stackSlotL dst, regF src) %{
7634   match(Set dst (ConvF2L src));
7635   ins_cost(DEFAULT_COST*2 + MEMORY_REF_COST*2 + BRANCH_COST);
7636   expand %{
7637     regD tmp;
7638     convF2L_helper(tmp, src);
7639     regD_to_stkL(dst, tmp);
7640   %}
7641 %}
7642 
7643 
7644 instruct convI2D_helper(regD dst, regF tmp) %{
7645   effect(USE tmp, DEF dst);
7646   format %{ "FITOD  $tmp,$dst" %}
7647   opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fitod_opf);
7648   ins_encode(form3_opf_rs2F_rdD(tmp, dst));
7649   ins_pipe(fcvtI2D);
7650 %}
7651 
7652 instruct convI2D_reg(stackSlotI src, regD dst) %{
7653   match(Set dst (ConvI2D src));
7654   ins_cost(DEFAULT_COST + MEMORY_REF_COST);
7655   expand %{
7656     regF tmp;
7657     stkI_to_regF( tmp, src);
7658     convI2D_helper( dst, tmp);
7659   %}
7660 %}
7661 
7662 instruct convI2D_mem( regD_low dst, memory mem ) %{
7663   match(Set dst (ConvI2D (LoadI mem)));
7664   ins_cost(DEFAULT_COST + MEMORY_REF_COST);
7665   size(8);
7666   format %{ "LDF    $mem,$dst\n\t"
7667             "FITOD  $dst,$dst" %}
7668   opcode(Assembler::ldf_op3, Assembler::fitod_opf);
7669   ins_encode( form3_mem_reg( mem, dst ), form3_convI2F(dst, dst));
7670   ins_pipe(floadF_mem);
7671 %}
7672 
7673 
7674 instruct convI2F_helper(regF dst, regF tmp) %{
7675   effect(DEF dst, USE tmp);
7676   format %{ "FITOS  $tmp,$dst" %}
7677   opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fitos_opf);
7678   ins_encode(form3_opf_rs2F_rdF(tmp, dst));
7679   ins_pipe(fcvtI2F);
7680 %}
7681 
7682 instruct convI2F_reg( regF dst, stackSlotI src ) %{
7683   match(Set dst (ConvI2F src));
7684   ins_cost(DEFAULT_COST + MEMORY_REF_COST);
7685   expand %{
7686     regF tmp;
7687     stkI_to_regF(tmp,src);
7688     convI2F_helper(dst, tmp);
7689   %}
7690 %}
7691 
7692 instruct convI2F_mem( regF dst, memory mem ) %{
7693   match(Set dst (ConvI2F (LoadI mem)));
7694   ins_cost(DEFAULT_COST + MEMORY_REF_COST);
7695   size(8);
7696   format %{ "LDF    $mem,$dst\n\t"
7697             "FITOS  $dst,$dst" %}
7698   opcode(Assembler::ldf_op3, Assembler::fitos_opf);
7699   ins_encode( form3_mem_reg( mem, dst ), form3_convI2F(dst, dst));
7700   ins_pipe(floadF_mem);
7701 %}
7702 
7703 
7704 instruct convI2L_reg(iRegL dst, iRegI src) %{
7705   match(Set dst (ConvI2L src));
7706   size(4);
7707   format %{ "SRA    $src,0,$dst\t! int->long" %}
7708   opcode(Assembler::sra_op3, Assembler::arith_op);
7709   ins_encode( form3_rs1_rs2_rd( src, R_G0, dst ) );
7710   ins_pipe(ialu_reg_reg);
7711 %}
7712 
7713 // Zero-extend convert int to long
7714 instruct convI2L_reg_zex(iRegL dst, iRegI src, immL_32bits mask ) %{
7715   match(Set dst (AndL (ConvI2L src) mask) );
7716   size(4);
7717   format %{ "SRL    $src,0,$dst\t! zero-extend int to long" %}
7718   opcode(Assembler::srl_op3, Assembler::arith_op);
7719   ins_encode( form3_rs1_rs2_rd( src, R_G0, dst ) );
7720   ins_pipe(ialu_reg_reg);
7721 %}
7722 
7723 // Zero-extend long
7724 instruct zerox_long(iRegL dst, iRegL src, immL_32bits mask ) %{
7725   match(Set dst (AndL src mask) );
7726   size(4);
7727   format %{ "SRL    $src,0,$dst\t! zero-extend long" %}
7728   opcode(Assembler::srl_op3, Assembler::arith_op);
7729   ins_encode( form3_rs1_rs2_rd( src, R_G0, dst ) );
7730   ins_pipe(ialu_reg_reg);
7731 %}
7732 
7733 instruct MoveF2I_stack_reg(iRegI dst, stackSlotF src) %{
7734   match(Set dst (MoveF2I src));
7735   effect(DEF dst, USE src);
7736   ins_cost(MEMORY_REF_COST);
7737 
7738   size(4);
7739   format %{ "LDUW   $src,$dst\t! MoveF2I" %}
7740   opcode(Assembler::lduw_op3);
7741   ins_encode( form3_mem_reg( src, dst ) );
7742   ins_pipe(iload_mem);
7743 %}
7744 
7745 instruct MoveI2F_stack_reg(regF dst, stackSlotI src) %{
7746   match(Set dst (MoveI2F src));
7747   effect(DEF dst, USE src);
7748   ins_cost(MEMORY_REF_COST);
7749 
7750   size(4);
7751   format %{ "LDF    $src,$dst\t! MoveI2F" %}
7752   opcode(Assembler::ldf_op3);
7753   ins_encode(form3_mem_reg(src, dst));
7754   ins_pipe(floadF_stk);
7755 %}
7756 
7757 instruct MoveD2L_stack_reg(iRegL dst, stackSlotD src) %{
7758   match(Set dst (MoveD2L src));
7759   effect(DEF dst, USE src);
7760   ins_cost(MEMORY_REF_COST);
7761 
7762   size(4);
7763   format %{ "LDX    $src,$dst\t! MoveD2L" %}
7764   opcode(Assembler::ldx_op3);
7765   ins_encode( form3_mem_reg( src, dst ) );
7766   ins_pipe(iload_mem);
7767 %}
7768 
7769 instruct MoveL2D_stack_reg(regD dst, stackSlotL src) %{
7770   match(Set dst (MoveL2D src));
7771   effect(DEF dst, USE src);
7772   ins_cost(MEMORY_REF_COST);
7773 
7774   size(4);
7775   format %{ "LDDF   $src,$dst\t! MoveL2D" %}
7776   opcode(Assembler::lddf_op3);
7777   ins_encode(form3_mem_reg(src, dst));
7778   ins_pipe(floadD_stk);
7779 %}
7780 
7781 instruct MoveF2I_reg_stack(stackSlotI dst, regF src) %{
7782   match(Set dst (MoveF2I src));
7783   effect(DEF dst, USE src);
7784   ins_cost(MEMORY_REF_COST);
7785 
7786   size(4);
7787   format %{ "STF   $src,$dst\t!MoveF2I" %}
7788   opcode(Assembler::stf_op3);
7789   ins_encode(form3_mem_reg(dst, src));
7790   ins_pipe(fstoreF_stk_reg);
7791 %}
7792 
7793 instruct MoveI2F_reg_stack(stackSlotF dst, iRegI src) %{
7794   match(Set dst (MoveI2F src));
7795   effect(DEF dst, USE src);
7796   ins_cost(MEMORY_REF_COST);
7797 
7798   size(4);
7799   format %{ "STW    $src,$dst\t!MoveI2F" %}
7800   opcode(Assembler::stw_op3);
7801   ins_encode( form3_mem_reg( dst, src ) );
7802   ins_pipe(istore_mem_reg);
7803 %}
7804 
7805 instruct MoveD2L_reg_stack(stackSlotL dst, regD src) %{
7806   match(Set dst (MoveD2L src));
7807   effect(DEF dst, USE src);
7808   ins_cost(MEMORY_REF_COST);
7809 
7810   size(4);
7811   format %{ "STDF   $src,$dst\t!MoveD2L" %}
7812   opcode(Assembler::stdf_op3);
7813   ins_encode(form3_mem_reg(dst, src));
7814   ins_pipe(fstoreD_stk_reg);
7815 %}
7816 
7817 instruct MoveL2D_reg_stack(stackSlotD dst, iRegL src) %{
7818   match(Set dst (MoveL2D src));
7819   effect(DEF dst, USE src);
7820   ins_cost(MEMORY_REF_COST);
7821 
7822   size(4);
7823   format %{ "STX    $src,$dst\t!MoveL2D" %}
7824   opcode(Assembler::stx_op3);
7825   ins_encode( form3_mem_reg( dst, src ) );
7826   ins_pipe(istore_mem_reg);
7827 %}
7828 
7829 
7830 //-----------
7831 // Long to Double conversion using V8 opcodes.
7832 // Still useful because cheetah traps and becomes
7833 // amazingly slow for some common numbers.
7834 
7835 // Magic constant, 0x43300000
7836 instruct loadConI_x43300000(iRegI dst) %{
7837   effect(DEF dst);
7838   size(4);
7839   format %{ "SETHI  HI(0x43300000),$dst\t! 2^52" %}
7840   ins_encode(SetHi22(0x43300000, dst));
7841   ins_pipe(ialu_none);
7842 %}
7843 
7844 // Magic constant, 0x41f00000
7845 instruct loadConI_x41f00000(iRegI dst) %{
7846   effect(DEF dst);
7847   size(4);
7848   format %{ "SETHI  HI(0x41f00000),$dst\t! 2^32" %}
7849   ins_encode(SetHi22(0x41f00000, dst));
7850   ins_pipe(ialu_none);
7851 %}
7852 
7853 // Construct a double from two float halves
7854 instruct regDHi_regDLo_to_regD(regD_low dst, regD_low src1, regD_low src2) %{
7855   effect(DEF dst, USE src1, USE src2);
7856   size(8);
7857   format %{ "FMOVS  $src1.hi,$dst.hi\n\t"
7858             "FMOVS  $src2.lo,$dst.lo" %}
7859   opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fmovs_opf);
7860   ins_encode(form3_opf_rs2D_hi_rdD_hi(src1, dst), form3_opf_rs2D_lo_rdD_lo(src2, dst));
7861   ins_pipe(faddD_reg_reg);
7862 %}
7863 
7864 // Convert integer in high half of a double register (in the lower half of
7865 // the double register file) to double
7866 instruct convI2D_regDHi_regD(regD dst, regD_low src) %{
7867   effect(DEF dst, USE src);
7868   size(4);
7869   format %{ "FITOD  $src,$dst" %}
7870   opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fitod_opf);
7871   ins_encode(form3_opf_rs2D_rdD(src, dst));
7872   ins_pipe(fcvtLHi2D);
7873 %}
7874 
7875 // Add float double precision
7876 instruct addD_regD_regD(regD dst, regD src1, regD src2) %{
7877   effect(DEF dst, USE src1, USE src2);
7878   size(4);
7879   format %{ "FADDD  $src1,$src2,$dst" %}
7880   opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::faddd_opf);
7881   ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst));
7882   ins_pipe(faddD_reg_reg);
7883 %}
7884 
7885 // Sub float double precision
7886 instruct subD_regD_regD(regD dst, regD src1, regD src2) %{
7887   effect(DEF dst, USE src1, USE src2);
7888   size(4);
7889   format %{ "FSUBD  $src1,$src2,$dst" %}
7890   opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fsubd_opf);
7891   ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst));
7892   ins_pipe(faddD_reg_reg);
7893 %}
7894 
7895 // Mul float double precision
7896 instruct mulD_regD_regD(regD dst, regD src1, regD src2) %{
7897   effect(DEF dst, USE src1, USE src2);
7898   size(4);
7899   format %{ "FMULD  $src1,$src2,$dst" %}
7900   opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fmuld_opf);
7901   ins_encode(form3_opf_rs1D_rs2D_rdD(src1, src2, dst));
7902   ins_pipe(fmulD_reg_reg);
7903 %}
7904 
7905 instruct convL2D_reg_slow_fxtof(regD dst, stackSlotL src) %{
7906   match(Set dst (ConvL2D src));
7907   ins_cost(DEFAULT_COST*8 + MEMORY_REF_COST*6);
7908 
7909   expand %{
7910     regD_low   tmpsrc;
7911     iRegI      ix43300000;
7912     iRegI      ix41f00000;
7913     stackSlotL lx43300000;
7914     stackSlotL lx41f00000;
7915     regD_low   dx43300000;
7916     regD       dx41f00000;
7917     regD       tmp1;
7918     regD_low   tmp2;
7919     regD       tmp3;
7920     regD       tmp4;
7921 
7922     stkL_to_regD(tmpsrc, src);
7923 
7924     loadConI_x43300000(ix43300000);
7925     loadConI_x41f00000(ix41f00000);
7926     regI_to_stkLHi(lx43300000, ix43300000);
7927     regI_to_stkLHi(lx41f00000, ix41f00000);
7928     stkL_to_regD(dx43300000, lx43300000);
7929     stkL_to_regD(dx41f00000, lx41f00000);
7930 
7931     convI2D_regDHi_regD(tmp1, tmpsrc);
7932     regDHi_regDLo_to_regD(tmp2, dx43300000, tmpsrc);
7933     subD_regD_regD(tmp3, tmp2, dx43300000);
7934     mulD_regD_regD(tmp4, tmp1, dx41f00000);
7935     addD_regD_regD(dst, tmp3, tmp4);
7936   %}
7937 %}
7938 
7939 // Long to Double conversion using fast fxtof
7940 instruct convL2D_helper(regD dst, regD tmp) %{
7941   effect(DEF dst, USE tmp);
7942   size(4);
7943   format %{ "FXTOD  $tmp,$dst" %}
7944   opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fxtod_opf);
7945   ins_encode(form3_opf_rs2D_rdD(tmp, dst));
7946   ins_pipe(fcvtL2D);
7947 %}
7948 
7949 instruct convL2D_reg_fast_fxtof(regD dst, stackSlotL src) %{
7950   predicate(VM_Version::has_fast_fxtof());
7951   match(Set dst (ConvL2D src));
7952   ins_cost(DEFAULT_COST + 3 * MEMORY_REF_COST);
7953   expand %{
7954     regD tmp;
7955     stkL_to_regD(tmp, src);
7956     convL2D_helper(dst, tmp);
7957   %}
7958 %}
7959 
7960 //-----------
7961 // Long to Float conversion using V8 opcodes.
7962 // Still useful because cheetah traps and becomes
7963 // amazingly slow for some common numbers.
7964 
7965 // Long to Float conversion using fast fxtof
7966 instruct convL2F_helper(regF dst, regD tmp) %{
7967   effect(DEF dst, USE tmp);
7968   size(4);
7969   format %{ "FXTOS  $tmp,$dst" %}
7970   opcode(Assembler::fpop1_op3, Assembler::arith_op, Assembler::fxtos_opf);
7971   ins_encode(form3_opf_rs2D_rdF(tmp, dst));
7972   ins_pipe(fcvtL2F);
7973 %}
7974 
7975 instruct convL2F_reg_fast_fxtof(regF dst, stackSlotL src) %{
7976   match(Set dst (ConvL2F src));
7977   ins_cost(DEFAULT_COST + MEMORY_REF_COST);
7978   expand %{
7979     regD tmp;
7980     stkL_to_regD(tmp, src);
7981     convL2F_helper(dst, tmp);
7982   %}
7983 %}
7984 //-----------
7985 
7986 instruct convL2I_reg(iRegI dst, iRegL src) %{
7987   match(Set dst (ConvL2I src));
7988 #ifndef _LP64
7989   format %{ "MOV    $src.lo,$dst\t! long->int" %}
7990   ins_encode( form3_g0_rs2_rd_move_lo2( src, dst ) );
7991   ins_pipe(ialu_move_reg_I_to_L);
7992 #else
7993   size(4);
7994   format %{ "SRA    $src,R_G0,$dst\t! long->int" %}
7995   ins_encode( form3_rs1_rd_signextend_lo1( src, dst ) );
7996   ins_pipe(ialu_reg);
7997 #endif
7998 %}
7999 
8000 // Register Shift Right Immediate
8001 instruct shrL_reg_imm6_L2I(iRegI dst, iRegL src, immI_32_63 cnt) %{
8002   match(Set dst (ConvL2I (RShiftL src cnt)));
8003 
8004   size(4);
8005   format %{ "SRAX   $src,$cnt,$dst" %}
8006   opcode(Assembler::srax_op3, Assembler::arith_op);
8007   ins_encode( form3_sd_rs1_imm6_rd( src, cnt, dst ) );
8008   ins_pipe(ialu_reg_imm);
8009 %}
8010 
8011 // Replicate scalar to packed byte values in Double register
8012 instruct Repl8B_reg_helper(iRegL dst, iRegI src) %{
8013   effect(DEF dst, USE src);
8014   format %{ "SLLX  $src,56,$dst\n\t"
8015             "SRLX  $dst, 8,O7\n\t"
8016             "OR    $dst,O7,$dst\n\t"
8017             "SRLX  $dst,16,O7\n\t"
8018             "OR    $dst,O7,$dst\n\t"
8019             "SRLX  $dst,32,O7\n\t"
8020             "OR    $dst,O7,$dst\t! replicate8B" %}
8021   ins_encode( enc_repl8b(src, dst));
8022   ins_pipe(ialu_reg);
8023 %}
8024 
8025 // Replicate scalar to packed byte values in Double register
8026 instruct Repl8B_reg(stackSlotD dst, iRegI src) %{
8027   match(Set dst (Replicate8B src));
8028   expand %{
8029     iRegL tmp;
8030     Repl8B_reg_helper(tmp, src);
8031     regL_to_stkD(dst, tmp);
8032   %}
8033 %}
8034 
8035 // Replicate scalar constant to packed byte values in Double register
8036 instruct Repl8B_immI(regD dst, immI13 src, o7RegP tmp) %{
8037   match(Set dst (Replicate8B src));
8038 #ifdef _LP64
8039   size(36);
8040 #else
8041   size(8);
8042 #endif
8043   format %{ "SETHI  hi(&Repl8($src)),$tmp\t!get Repl8B($src) from table\n\t"
8044             "LDDF   [$tmp+lo(&Repl8($src))],$dst" %}
8045   ins_encode( LdReplImmI(src, dst, tmp, (8), (1)) );
8046   ins_pipe(loadConFD);
8047 %}
8048 
8049 // Replicate scalar to packed char values into stack slot
8050 instruct Repl4C_reg_helper(iRegL dst, iRegI src) %{
8051   effect(DEF dst, USE src);
8052   format %{ "SLLX  $src,48,$dst\n\t"
8053             "SRLX  $dst,16,O7\n\t"
8054             "OR    $dst,O7,$dst\n\t"
8055             "SRLX  $dst,32,O7\n\t"
8056             "OR    $dst,O7,$dst\t! replicate4C" %}
8057   ins_encode( enc_repl4s(src, dst) );
8058   ins_pipe(ialu_reg);
8059 %}
8060 
8061 // Replicate scalar to packed char values into stack slot
8062 instruct Repl4C_reg(stackSlotD dst, iRegI src) %{
8063   match(Set dst (Replicate4C src));
8064   expand %{
8065     iRegL tmp;
8066     Repl4C_reg_helper(tmp, src);
8067     regL_to_stkD(dst, tmp);
8068   %}
8069 %}
8070 
8071 // Replicate scalar constant to packed char values in Double register
8072 instruct Repl4C_immI(regD dst, immI src, o7RegP tmp) %{
8073   match(Set dst (Replicate4C src));
8074 #ifdef _LP64
8075   size(36);
8076 #else
8077   size(8);
8078 #endif
8079   format %{ "SETHI  hi(&Repl4($src)),$tmp\t!get Repl4C($src) from table\n\t"
8080             "LDDF   [$tmp+lo(&Repl4($src))],$dst" %}
8081   ins_encode( LdReplImmI(src, dst, tmp, (4), (2)) );
8082   ins_pipe(loadConFD);
8083 %}
8084 
8085 // Replicate scalar to packed short values into stack slot
8086 instruct Repl4S_reg_helper(iRegL dst, iRegI src) %{
8087   effect(DEF dst, USE src);
8088   format %{ "SLLX  $src,48,$dst\n\t"
8089             "SRLX  $dst,16,O7\n\t"
8090             "OR    $dst,O7,$dst\n\t"
8091             "SRLX  $dst,32,O7\n\t"
8092             "OR    $dst,O7,$dst\t! replicate4S" %}
8093   ins_encode( enc_repl4s(src, dst) );
8094   ins_pipe(ialu_reg);
8095 %}
8096 
8097 // Replicate scalar to packed short values into stack slot
8098 instruct Repl4S_reg(stackSlotD dst, iRegI src) %{
8099   match(Set dst (Replicate4S src));
8100   expand %{
8101     iRegL tmp;
8102     Repl4S_reg_helper(tmp, src);
8103     regL_to_stkD(dst, tmp);
8104   %}
8105 %}
8106 
8107 // Replicate scalar constant to packed short values in Double register
8108 instruct Repl4S_immI(regD dst, immI src, o7RegP tmp) %{
8109   match(Set dst (Replicate4S src));
8110 #ifdef _LP64
8111   size(36);
8112 #else
8113   size(8);
8114 #endif
8115   format %{ "SETHI  hi(&Repl4($src)),$tmp\t!get Repl4S($src) from table\n\t"
8116             "LDDF   [$tmp+lo(&Repl4($src))],$dst" %}
8117   ins_encode( LdReplImmI(src, dst, tmp, (4), (2)) );
8118   ins_pipe(loadConFD);
8119 %}
8120 
8121 // Replicate scalar to packed int values in Double register
8122 instruct Repl2I_reg_helper(iRegL dst, iRegI src) %{
8123   effect(DEF dst, USE src);
8124   format %{ "SLLX  $src,32,$dst\n\t"
8125             "SRLX  $dst,32,O7\n\t"
8126             "OR    $dst,O7,$dst\t! replicate2I" %}
8127   ins_encode( enc_repl2i(src, dst));
8128   ins_pipe(ialu_reg);
8129 %}
8130 
8131 // Replicate scalar to packed int values in Double register
8132 instruct Repl2I_reg(stackSlotD dst, iRegI src) %{
8133   match(Set dst (Replicate2I src));
8134   expand %{
8135     iRegL tmp;
8136     Repl2I_reg_helper(tmp, src);
8137     regL_to_stkD(dst, tmp);
8138   %}
8139 %}
8140 
8141 // Replicate scalar zero constant to packed int values in Double register
8142 instruct Repl2I_immI(regD dst, immI src, o7RegP tmp) %{
8143   match(Set dst (Replicate2I src));
8144 #ifdef _LP64
8145   size(36);
8146 #else
8147   size(8);
8148 #endif
8149   format %{ "SETHI  hi(&Repl2($src)),$tmp\t!get Repl2I($src) from table\n\t"
8150             "LDDF   [$tmp+lo(&Repl2($src))],$dst" %}
8151   ins_encode( LdReplImmI(src, dst, tmp, (2), (4)) );
8152   ins_pipe(loadConFD);
8153 %}
8154 
8155 //----------Control Flow Instructions------------------------------------------
8156 // Compare Instructions
8157 // Compare Integers
8158 instruct compI_iReg(flagsReg icc, iRegI op1, iRegI op2) %{
8159   match(Set icc (CmpI op1 op2));
8160   effect( DEF icc, USE op1, USE op2 );
8161 
8162   size(4);
8163   format %{ "CMP    $op1,$op2" %}
8164   opcode(Assembler::subcc_op3, Assembler::arith_op);
8165   ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) );
8166   ins_pipe(ialu_cconly_reg_reg);
8167 %}
8168 
8169 instruct compU_iReg(flagsRegU icc, iRegI op1, iRegI op2) %{
8170   match(Set icc (CmpU op1 op2));
8171 
8172   size(4);
8173   format %{ "CMP    $op1,$op2\t! unsigned" %}
8174   opcode(Assembler::subcc_op3, Assembler::arith_op);
8175   ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) );
8176   ins_pipe(ialu_cconly_reg_reg);
8177 %}
8178 
8179 instruct compI_iReg_imm13(flagsReg icc, iRegI op1, immI13 op2) %{
8180   match(Set icc (CmpI op1 op2));
8181   effect( DEF icc, USE op1 );
8182 
8183   size(4);
8184   format %{ "CMP    $op1,$op2" %}
8185   opcode(Assembler::subcc_op3, Assembler::arith_op);
8186   ins_encode( form3_rs1_simm13_rd( op1, op2, R_G0 ) );
8187   ins_pipe(ialu_cconly_reg_imm);
8188 %}
8189 
8190 instruct testI_reg_reg( flagsReg icc, iRegI op1, iRegI op2, immI0 zero ) %{
8191   match(Set icc (CmpI (AndI op1 op2) zero));
8192 
8193   size(4);
8194   format %{ "BTST   $op2,$op1" %}
8195   opcode(Assembler::andcc_op3, Assembler::arith_op);
8196   ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) );
8197   ins_pipe(ialu_cconly_reg_reg_zero);
8198 %}
8199 
8200 instruct testI_reg_imm( flagsReg icc, iRegI op1, immI13 op2, immI0 zero ) %{
8201   match(Set icc (CmpI (AndI op1 op2) zero));
8202 
8203   size(4);
8204   format %{ "BTST   $op2,$op1" %}
8205   opcode(Assembler::andcc_op3, Assembler::arith_op);
8206   ins_encode( form3_rs1_simm13_rd( op1, op2, R_G0 ) );
8207   ins_pipe(ialu_cconly_reg_imm_zero);
8208 %}
8209 
8210 instruct compL_reg_reg(flagsRegL xcc, iRegL op1, iRegL op2 ) %{
8211   match(Set xcc (CmpL op1 op2));
8212   effect( DEF xcc, USE op1, USE op2 );
8213 
8214   size(4);
8215   format %{ "CMP    $op1,$op2\t\t! long" %}
8216   opcode(Assembler::subcc_op3, Assembler::arith_op);
8217   ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) );
8218   ins_pipe(ialu_cconly_reg_reg);
8219 %}
8220 
8221 instruct compL_reg_con(flagsRegL xcc, iRegL op1, immL13 con) %{
8222   match(Set xcc (CmpL op1 con));
8223   effect( DEF xcc, USE op1, USE con );
8224 
8225   size(4);
8226   format %{ "CMP    $op1,$con\t\t! long" %}
8227   opcode(Assembler::subcc_op3, Assembler::arith_op);
8228   ins_encode( form3_rs1_simm13_rd( op1, con, R_G0 ) );
8229   ins_pipe(ialu_cconly_reg_reg);
8230 %}
8231 
8232 instruct testL_reg_reg(flagsRegL xcc, iRegL op1, iRegL op2, immL0 zero) %{
8233   match(Set xcc (CmpL (AndL op1 op2) zero));
8234   effect( DEF xcc, USE op1, USE op2 );
8235 
8236   size(4);
8237   format %{ "BTST   $op1,$op2\t\t! long" %}
8238   opcode(Assembler::andcc_op3, Assembler::arith_op);
8239   ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) );
8240   ins_pipe(ialu_cconly_reg_reg);
8241 %}
8242 
8243 // useful for checking the alignment of a pointer:
8244 instruct testL_reg_con(flagsRegL xcc, iRegL op1, immL13 con, immL0 zero) %{
8245   match(Set xcc (CmpL (AndL op1 con) zero));
8246   effect( DEF xcc, USE op1, USE con );
8247 
8248   size(4);
8249   format %{ "BTST   $op1,$con\t\t! long" %}
8250   opcode(Assembler::andcc_op3, Assembler::arith_op);
8251   ins_encode( form3_rs1_simm13_rd( op1, con, R_G0 ) );
8252   ins_pipe(ialu_cconly_reg_reg);
8253 %}
8254 
8255 instruct compU_iReg_imm13(flagsRegU icc, iRegI op1, immU13 op2 ) %{
8256   match(Set icc (CmpU op1 op2));
8257 
8258   size(4);
8259   format %{ "CMP    $op1,$op2\t! unsigned" %}
8260   opcode(Assembler::subcc_op3, Assembler::arith_op);
8261   ins_encode( form3_rs1_simm13_rd( op1, op2, R_G0 ) );
8262   ins_pipe(ialu_cconly_reg_imm);
8263 %}
8264 
8265 // Compare Pointers
8266 instruct compP_iRegP(flagsRegP pcc, iRegP op1, iRegP op2 ) %{
8267   match(Set pcc (CmpP op1 op2));
8268 
8269   size(4);
8270   format %{ "CMP    $op1,$op2\t! ptr" %}
8271   opcode(Assembler::subcc_op3, Assembler::arith_op);
8272   ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) );
8273   ins_pipe(ialu_cconly_reg_reg);
8274 %}
8275 
8276 instruct compP_iRegP_imm13(flagsRegP pcc, iRegP op1, immP13 op2 ) %{
8277   match(Set pcc (CmpP op1 op2));
8278 
8279   size(4);
8280   format %{ "CMP    $op1,$op2\t! ptr" %}
8281   opcode(Assembler::subcc_op3, Assembler::arith_op);
8282   ins_encode( form3_rs1_simm13_rd( op1, op2, R_G0 ) );
8283   ins_pipe(ialu_cconly_reg_imm);
8284 %}
8285 
8286 // Compare Narrow oops
8287 instruct compN_iRegN(flagsReg icc, iRegN op1, iRegN op2 ) %{
8288   match(Set icc (CmpN op1 op2));
8289 
8290   size(4);
8291   format %{ "CMP    $op1,$op2\t! compressed ptr" %}
8292   opcode(Assembler::subcc_op3, Assembler::arith_op);
8293   ins_encode( form3_rs1_rs2_rd( op1, op2, R_G0 ) );
8294   ins_pipe(ialu_cconly_reg_reg);
8295 %}
8296 
8297 instruct compN_iRegN_immN0(flagsReg icc, iRegN op1, immN0 op2 ) %{
8298   match(Set icc (CmpN op1 op2));
8299 
8300   size(4);
8301   format %{ "CMP    $op1,$op2\t! compressed ptr" %}
8302   opcode(Assembler::subcc_op3, Assembler::arith_op);
8303   ins_encode( form3_rs1_simm13_rd( op1, op2, R_G0 ) );
8304   ins_pipe(ialu_cconly_reg_imm);
8305 %}
8306 
8307 //----------Max and Min--------------------------------------------------------
8308 // Min Instructions
8309 // Conditional move for min
8310 instruct cmovI_reg_lt( iRegI op2, iRegI op1, flagsReg icc ) %{
8311   effect( USE_DEF op2, USE op1, USE icc );
8312 
8313   size(4);
8314   format %{ "MOVlt  icc,$op1,$op2\t! min" %}
8315   opcode(Assembler::less);
8316   ins_encode( enc_cmov_reg_minmax(op2,op1) );
8317   ins_pipe(ialu_reg_flags);
8318 %}
8319 
8320 // Min Register with Register.
8321 instruct minI_eReg(iRegI op1, iRegI op2) %{
8322   match(Set op2 (MinI op1 op2));
8323   ins_cost(DEFAULT_COST*2);
8324   expand %{
8325     flagsReg icc;
8326     compI_iReg(icc,op1,op2);
8327     cmovI_reg_lt(op2,op1,icc);
8328   %}
8329 %}
8330 
8331 // Max Instructions
8332 // Conditional move for max
8333 instruct cmovI_reg_gt( iRegI op2, iRegI op1, flagsReg icc ) %{
8334   effect( USE_DEF op2, USE op1, USE icc );
8335   format %{ "MOVgt  icc,$op1,$op2\t! max" %}
8336   opcode(Assembler::greater);
8337   ins_encode( enc_cmov_reg_minmax(op2,op1) );
8338   ins_pipe(ialu_reg_flags);
8339 %}
8340 
8341 // Max Register with Register
8342 instruct maxI_eReg(iRegI op1, iRegI op2) %{
8343   match(Set op2 (MaxI op1 op2));
8344   ins_cost(DEFAULT_COST*2);
8345   expand %{
8346     flagsReg icc;
8347     compI_iReg(icc,op1,op2);
8348     cmovI_reg_gt(op2,op1,icc);
8349   %}
8350 %}
8351 
8352 
8353 //----------Float Compares----------------------------------------------------
8354 // Compare floating, generate condition code
8355 instruct cmpF_cc(flagsRegF fcc, regF src1, regF src2) %{
8356   match(Set fcc (CmpF src1 src2));
8357 
8358   size(4);
8359   format %{ "FCMPs  $fcc,$src1,$src2" %}
8360   opcode(Assembler::fpop2_op3, Assembler::arith_op, Assembler::fcmps_opf);
8361   ins_encode( form3_opf_rs1F_rs2F_fcc( src1, src2, fcc ) );
8362   ins_pipe(faddF_fcc_reg_reg_zero);
8363 %}
8364 
8365 instruct cmpD_cc(flagsRegF fcc, regD src1, regD src2) %{
8366   match(Set fcc (CmpD src1 src2));
8367 
8368   size(4);
8369   format %{ "FCMPd  $fcc,$src1,$src2" %}
8370   opcode(Assembler::fpop2_op3, Assembler::arith_op, Assembler::fcmpd_opf);
8371   ins_encode( form3_opf_rs1D_rs2D_fcc( src1, src2, fcc ) );
8372   ins_pipe(faddD_fcc_reg_reg_zero);
8373 %}
8374 
8375 
8376 // Compare floating, generate -1,0,1
8377 instruct cmpF_reg(iRegI dst, regF src1, regF src2, flagsRegF0 fcc0) %{
8378   match(Set dst (CmpF3 src1 src2));
8379   effect(KILL fcc0);
8380   ins_cost(DEFAULT_COST*3+BRANCH_COST*3);
8381   format %{ "fcmpl  $dst,$src1,$src2" %}
8382   // Primary = float
8383   opcode( true );
8384   ins_encode( floating_cmp( dst, src1, src2 ) );
8385   ins_pipe( floating_cmp );
8386 %}
8387 
8388 instruct cmpD_reg(iRegI dst, regD src1, regD src2, flagsRegF0 fcc0) %{
8389   match(Set dst (CmpD3 src1 src2));
8390   effect(KILL fcc0);
8391   ins_cost(DEFAULT_COST*3+BRANCH_COST*3);
8392   format %{ "dcmpl  $dst,$src1,$src2" %}
8393   // Primary = double (not float)
8394   opcode( false );
8395   ins_encode( floating_cmp( dst, src1, src2 ) );
8396   ins_pipe( floating_cmp );
8397 %}
8398 
8399 //----------Branches---------------------------------------------------------
8400 // Jump
8401 // (compare 'operand indIndex' and 'instruct addP_reg_reg' above)
8402 instruct jumpXtnd(iRegX switch_val, o7RegI table) %{
8403   match(Jump switch_val);
8404 
8405   ins_cost(350);
8406 
8407   format %{  "SETHI  [hi(table_base)],O7\n\t"
8408              "ADD    O7, lo(table_base), O7\n\t"
8409              "LD     [O7+$switch_val], O7\n\t"
8410              "JUMP   O7"
8411          %}
8412   ins_encode( jump_enc( switch_val, table) );
8413   ins_pc_relative(1);
8414   ins_pipe(ialu_reg_reg);
8415 %}
8416 
8417 // Direct Branch.  Use V8 version with longer range.
8418 instruct branch(label labl) %{
8419   match(Goto);
8420   effect(USE labl);
8421 
8422   size(8);
8423   ins_cost(BRANCH_COST);
8424   format %{ "BA     $labl" %}
8425   // Prim = bits 24-22, Secnd = bits 31-30, Tert = cond
8426   opcode(Assembler::br_op2, Assembler::branch_op, Assembler::always);
8427   ins_encode( enc_ba( labl ) );
8428   ins_pc_relative(1);
8429   ins_pipe(br);
8430 %}
8431 
8432 // Conditional Direct Branch
8433 instruct branchCon(cmpOp cmp, flagsReg icc, label labl) %{
8434   match(If cmp icc);
8435   effect(USE labl);
8436 
8437   size(8);
8438   ins_cost(BRANCH_COST);
8439   format %{ "BP$cmp   $icc,$labl" %}
8440   // Prim = bits 24-22, Secnd = bits 31-30
8441   ins_encode( enc_bp( labl, cmp, icc ) );
8442   ins_pc_relative(1);
8443   ins_pipe(br_cc);
8444 %}
8445 
8446 // Branch-on-register tests all 64 bits.  We assume that values
8447 // in 64-bit registers always remains zero or sign extended
8448 // unless our code munges the high bits.  Interrupts can chop
8449 // the high order bits to zero or sign at any time.
8450 instruct branchCon_regI(cmpOp_reg cmp, iRegI op1, immI0 zero, label labl) %{
8451   match(If cmp (CmpI op1 zero));
8452   predicate(can_branch_register(_kids[0]->_leaf, _kids[1]->_leaf));
8453   effect(USE labl);
8454 
8455   size(8);
8456   ins_cost(BRANCH_COST);
8457   format %{ "BR$cmp   $op1,$labl" %}
8458   ins_encode( enc_bpr( labl, cmp, op1 ) );
8459   ins_pc_relative(1);
8460   ins_pipe(br_reg);
8461 %}
8462 
8463 instruct branchCon_regP(cmpOp_reg cmp, iRegP op1, immP0 null, label labl) %{
8464   match(If cmp (CmpP op1 null));
8465   predicate(can_branch_register(_kids[0]->_leaf, _kids[1]->_leaf));
8466   effect(USE labl);
8467 
8468   size(8);
8469   ins_cost(BRANCH_COST);
8470   format %{ "BR$cmp   $op1,$labl" %}
8471   ins_encode( enc_bpr( labl, cmp, op1 ) );
8472   ins_pc_relative(1);
8473   ins_pipe(br_reg);
8474 %}
8475 
8476 instruct branchCon_regL(cmpOp_reg cmp, iRegL op1, immL0 zero, label labl) %{
8477   match(If cmp (CmpL op1 zero));
8478   predicate(can_branch_register(_kids[0]->_leaf, _kids[1]->_leaf));
8479   effect(USE labl);
8480 
8481   size(8);
8482   ins_cost(BRANCH_COST);
8483   format %{ "BR$cmp   $op1,$labl" %}
8484   ins_encode( enc_bpr( labl, cmp, op1 ) );
8485   ins_pc_relative(1);
8486   ins_pipe(br_reg);
8487 %}
8488 
8489 instruct branchConU(cmpOpU cmp, flagsRegU icc, label labl) %{
8490   match(If cmp icc);
8491   effect(USE labl);
8492 
8493   format %{ "BP$cmp  $icc,$labl" %}
8494   // Prim = bits 24-22, Secnd = bits 31-30
8495   ins_encode( enc_bp( labl, cmp, icc ) );
8496   ins_pc_relative(1);
8497   ins_pipe(br_cc);
8498 %}
8499 
8500 instruct branchConP(cmpOpP cmp, flagsRegP pcc, label labl) %{
8501   match(If cmp pcc);
8502   effect(USE labl);
8503 
8504   size(8);
8505   ins_cost(BRANCH_COST);
8506   format %{ "BP$cmp  $pcc,$labl" %}
8507   // Prim = bits 24-22, Secnd = bits 31-30
8508   ins_encode( enc_bpx( labl, cmp, pcc ) );
8509   ins_pc_relative(1);
8510   ins_pipe(br_cc);
8511 %}
8512 
8513 instruct branchConF(cmpOpF cmp, flagsRegF fcc, label labl) %{
8514   match(If cmp fcc);
8515   effect(USE labl);
8516 
8517   size(8);
8518   ins_cost(BRANCH_COST);
8519   format %{ "FBP$cmp $fcc,$labl" %}
8520   // Prim = bits 24-22, Secnd = bits 31-30
8521   ins_encode( enc_fbp( labl, cmp, fcc ) );
8522   ins_pc_relative(1);
8523   ins_pipe(br_fcc);
8524 %}
8525 
8526 instruct branchLoopEnd(cmpOp cmp, flagsReg icc, label labl) %{
8527   match(CountedLoopEnd cmp icc);
8528   effect(USE labl);
8529 
8530   size(8);
8531   ins_cost(BRANCH_COST);
8532   format %{ "BP$cmp   $icc,$labl\t! Loop end" %}
8533   // Prim = bits 24-22, Secnd = bits 31-30
8534   ins_encode( enc_bp( labl, cmp, icc ) );
8535   ins_pc_relative(1);
8536   ins_pipe(br_cc);
8537 %}
8538 
8539 instruct branchLoopEndU(cmpOpU cmp, flagsRegU icc, label labl) %{
8540   match(CountedLoopEnd cmp icc);
8541   effect(USE labl);
8542 
8543   size(8);
8544   ins_cost(BRANCH_COST);
8545   format %{ "BP$cmp  $icc,$labl\t! Loop end" %}
8546   // Prim = bits 24-22, Secnd = bits 31-30
8547   ins_encode( enc_bp( labl, cmp, icc ) );
8548   ins_pc_relative(1);
8549   ins_pipe(br_cc);
8550 %}
8551 
8552 // ============================================================================
8553 // Long Compare
8554 //
8555 // Currently we hold longs in 2 registers.  Comparing such values efficiently
8556 // is tricky.  The flavor of compare used depends on whether we are testing
8557 // for LT, LE, or EQ.  For a simple LT test we can check just the sign bit.
8558 // The GE test is the negated LT test.  The LE test can be had by commuting
8559 // the operands (yielding a GE test) and then negating; negate again for the
8560 // GT test.  The EQ test is done by ORcc'ing the high and low halves, and the
8561 // NE test is negated from that.
8562 
8563 // Due to a shortcoming in the ADLC, it mixes up expressions like:
8564 // (foo (CmpI (CmpL X Y) 0)) and (bar (CmpI (CmpL X 0L) 0)).  Note the
8565 // difference between 'Y' and '0L'.  The tree-matches for the CmpI sections
8566 // are collapsed internally in the ADLC's dfa-gen code.  The match for
8567 // (CmpI (CmpL X Y) 0) is silently replaced with (CmpI (CmpL X 0L) 0) and the
8568 // foo match ends up with the wrong leaf.  One fix is to not match both
8569 // reg-reg and reg-zero forms of long-compare.  This is unfortunate because
8570 // both forms beat the trinary form of long-compare and both are very useful
8571 // on Intel which has so few registers.
8572 
8573 instruct branchCon_long(cmpOp cmp, flagsRegL xcc, label labl) %{
8574   match(If cmp xcc);
8575   effect(USE labl);
8576 
8577   size(8);
8578   ins_cost(BRANCH_COST);
8579   format %{ "BP$cmp   $xcc,$labl" %}
8580   // Prim = bits 24-22, Secnd = bits 31-30
8581   ins_encode( enc_bpl( labl, cmp, xcc ) );
8582   ins_pc_relative(1);
8583   ins_pipe(br_cc);
8584 %}
8585 
8586 // Manifest a CmpL3 result in an integer register.  Very painful.
8587 // This is the test to avoid.
8588 instruct cmpL3_reg_reg(iRegI dst, iRegL src1, iRegL src2, flagsReg ccr ) %{
8589   match(Set dst (CmpL3 src1 src2) );
8590   effect( KILL ccr );
8591   ins_cost(6*DEFAULT_COST);
8592   size(24);
8593   format %{ "CMP    $src1,$src2\t\t! long\n"
8594           "\tBLT,a,pn done\n"
8595           "\tMOV    -1,$dst\t! delay slot\n"
8596           "\tBGT,a,pn done\n"
8597           "\tMOV    1,$dst\t! delay slot\n"
8598           "\tCLR    $dst\n"
8599     "done:"     %}
8600   ins_encode( cmpl_flag(src1,src2,dst) );
8601   ins_pipe(cmpL_reg);
8602 %}
8603 
8604 // Conditional move
8605 instruct cmovLL_reg(cmpOp cmp, flagsRegL xcc, iRegL dst, iRegL src) %{
8606   match(Set dst (CMoveL (Binary cmp xcc) (Binary dst src)));
8607   ins_cost(150);
8608   format %{ "MOV$cmp  $xcc,$src,$dst\t! long" %}
8609   ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::xcc)) );
8610   ins_pipe(ialu_reg);
8611 %}
8612 
8613 instruct cmovLL_imm(cmpOp cmp, flagsRegL xcc, iRegL dst, immL0 src) %{
8614   match(Set dst (CMoveL (Binary cmp xcc) (Binary dst src)));
8615   ins_cost(140);
8616   format %{ "MOV$cmp  $xcc,$src,$dst\t! long" %}
8617   ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::xcc)) );
8618   ins_pipe(ialu_imm);
8619 %}
8620 
8621 instruct cmovIL_reg(cmpOp cmp, flagsRegL xcc, iRegI dst, iRegI src) %{
8622   match(Set dst (CMoveI (Binary cmp xcc) (Binary dst src)));
8623   ins_cost(150);
8624   format %{ "MOV$cmp  $xcc,$src,$dst" %}
8625   ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::xcc)) );
8626   ins_pipe(ialu_reg);
8627 %}
8628 
8629 instruct cmovIL_imm(cmpOp cmp, flagsRegL xcc, iRegI dst, immI11 src) %{
8630   match(Set dst (CMoveI (Binary cmp xcc) (Binary dst src)));
8631   ins_cost(140);
8632   format %{ "MOV$cmp  $xcc,$src,$dst" %}
8633   ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::xcc)) );
8634   ins_pipe(ialu_imm);
8635 %}
8636 
8637 instruct cmovNL_reg(cmpOp cmp, flagsRegL xcc, iRegN dst, iRegN src) %{
8638   match(Set dst (CMoveN (Binary cmp xcc) (Binary dst src)));
8639   ins_cost(150);
8640   format %{ "MOV$cmp  $xcc,$src,$dst" %}
8641   ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::xcc)) );
8642   ins_pipe(ialu_reg);
8643 %}
8644 
8645 instruct cmovPL_reg(cmpOp cmp, flagsRegL xcc, iRegP dst, iRegP src) %{
8646   match(Set dst (CMoveP (Binary cmp xcc) (Binary dst src)));
8647   ins_cost(150);
8648   format %{ "MOV$cmp  $xcc,$src,$dst" %}
8649   ins_encode( enc_cmov_reg(cmp,dst,src, (Assembler::xcc)) );
8650   ins_pipe(ialu_reg);
8651 %}
8652 
8653 instruct cmovPL_imm(cmpOp cmp, flagsRegL xcc, iRegP dst, immP0 src) %{
8654   match(Set dst (CMoveP (Binary cmp xcc) (Binary dst src)));
8655   ins_cost(140);
8656   format %{ "MOV$cmp  $xcc,$src,$dst" %}
8657   ins_encode( enc_cmov_imm(cmp,dst,src, (Assembler::xcc)) );
8658   ins_pipe(ialu_imm);
8659 %}
8660 
8661 instruct cmovFL_reg(cmpOp cmp, flagsRegL xcc, regF dst, regF src) %{
8662   match(Set dst (CMoveF (Binary cmp xcc) (Binary dst src)));
8663   ins_cost(150);
8664   opcode(0x101);
8665   format %{ "FMOVS$cmp $xcc,$src,$dst" %}
8666   ins_encode( enc_cmovf_reg(cmp,dst,src, (Assembler::xcc)) );
8667   ins_pipe(int_conditional_float_move);
8668 %}
8669 
8670 instruct cmovDL_reg(cmpOp cmp, flagsRegL xcc, regD dst, regD src) %{
8671   match(Set dst (CMoveD (Binary cmp xcc) (Binary dst src)));
8672   ins_cost(150);
8673   opcode(0x102);
8674   format %{ "FMOVD$cmp $xcc,$src,$dst" %}
8675   ins_encode( enc_cmovf_reg(cmp,dst,src, (Assembler::xcc)) );
8676   ins_pipe(int_conditional_float_move);
8677 %}
8678 
8679 // ============================================================================
8680 // Safepoint Instruction
8681 instruct safePoint_poll(iRegP poll) %{
8682   match(SafePoint poll);
8683   effect(USE poll);
8684 
8685   size(4);
8686 #ifdef _LP64
8687   format %{ "LDX    [$poll],R_G0\t! Safepoint: poll for GC" %}
8688 #else
8689   format %{ "LDUW   [$poll],R_G0\t! Safepoint: poll for GC" %}
8690 #endif
8691   ins_encode %{
8692     __ relocate(relocInfo::poll_type);
8693     __ ld_ptr($poll$$Register, 0, G0);
8694   %}
8695   ins_pipe(loadPollP);
8696 %}
8697 
8698 // ============================================================================
8699 // Call Instructions
8700 // Call Java Static Instruction
8701 instruct CallStaticJavaDirect( method meth ) %{
8702   match(CallStaticJava);
8703   effect(USE meth);
8704 
8705   size(8);
8706   ins_cost(CALL_COST);
8707   format %{ "CALL,static  ; NOP ==> " %}
8708   ins_encode( Java_Static_Call( meth ), call_epilog );
8709   ins_pc_relative(1);
8710   ins_pipe(simple_call);
8711 %}
8712 
8713 // Call Java Dynamic Instruction
8714 instruct CallDynamicJavaDirect( method meth ) %{
8715   match(CallDynamicJava);
8716   effect(USE meth);
8717 
8718   ins_cost(CALL_COST);
8719   format %{ "SET    (empty),R_G5\n\t"
8720             "CALL,dynamic  ; NOP ==> " %}
8721   ins_encode( Java_Dynamic_Call( meth ), call_epilog );
8722   ins_pc_relative(1);
8723   ins_pipe(call);
8724 %}
8725 
8726 // Call Runtime Instruction
8727 instruct CallRuntimeDirect(method meth, l7RegP l7) %{
8728   match(CallRuntime);
8729   effect(USE meth, KILL l7);
8730   ins_cost(CALL_COST);
8731   format %{ "CALL,runtime" %}
8732   ins_encode( Java_To_Runtime( meth ),
8733               call_epilog, adjust_long_from_native_call );
8734   ins_pc_relative(1);
8735   ins_pipe(simple_call);
8736 %}
8737 
8738 // Call runtime without safepoint - same as CallRuntime
8739 instruct CallLeafDirect(method meth, l7RegP l7) %{
8740   match(CallLeaf);
8741   effect(USE meth, KILL l7);
8742   ins_cost(CALL_COST);
8743   format %{ "CALL,runtime leaf" %}
8744   ins_encode( Java_To_Runtime( meth ),
8745               call_epilog,
8746               adjust_long_from_native_call );
8747   ins_pc_relative(1);
8748   ins_pipe(simple_call);
8749 %}
8750 
8751 // Call runtime without safepoint - same as CallLeaf
8752 instruct CallLeafNoFPDirect(method meth, l7RegP l7) %{
8753   match(CallLeafNoFP);
8754   effect(USE meth, KILL l7);
8755   ins_cost(CALL_COST);
8756   format %{ "CALL,runtime leaf nofp" %}
8757   ins_encode( Java_To_Runtime( meth ),
8758               call_epilog,
8759               adjust_long_from_native_call );
8760   ins_pc_relative(1);
8761   ins_pipe(simple_call);
8762 %}
8763 
8764 // Tail Call; Jump from runtime stub to Java code.
8765 // Also known as an 'interprocedural jump'.
8766 // Target of jump will eventually return to caller.
8767 // TailJump below removes the return address.
8768 instruct TailCalljmpInd(g3RegP jump_target, inline_cache_regP method_oop) %{
8769   match(TailCall jump_target method_oop );
8770 
8771   ins_cost(CALL_COST);
8772   format %{ "Jmp     $jump_target  ; NOP \t! $method_oop holds method oop" %}
8773   ins_encode(form_jmpl(jump_target));
8774   ins_pipe(tail_call);
8775 %}
8776 
8777 
8778 // Return Instruction
8779 instruct Ret() %{
8780   match(Return);
8781 
8782   // The epilogue node did the ret already.
8783   size(0);
8784   format %{ "! return" %}
8785   ins_encode();
8786   ins_pipe(empty);
8787 %}
8788 
8789 
8790 // Tail Jump; remove the return address; jump to target.
8791 // TailCall above leaves the return address around.
8792 // TailJump is used in only one place, the rethrow_Java stub (fancy_jump=2).
8793 // ex_oop (Exception Oop) is needed in %o0 at the jump. As there would be a
8794 // "restore" before this instruction (in Epilogue), we need to materialize it
8795 // in %i0.
8796 instruct tailjmpInd(g1RegP jump_target, i0RegP ex_oop) %{
8797   match( TailJump jump_target ex_oop );
8798   ins_cost(CALL_COST);
8799   format %{ "! discard R_O7\n\t"
8800             "Jmp     $jump_target  ; ADD O7,8,O1 \t! $ex_oop holds exc. oop" %}
8801   ins_encode(form_jmpl_set_exception_pc(jump_target));
8802   // opcode(Assembler::jmpl_op3, Assembler::arith_op);
8803   // The hack duplicates the exception oop into G3, so that CreateEx can use it there.
8804   // ins_encode( form3_rs1_simm13_rd( jump_target, 0x00, R_G0 ), move_return_pc_to_o1() );
8805   ins_pipe(tail_call);
8806 %}
8807 
8808 // Create exception oop: created by stack-crawling runtime code.
8809 // Created exception is now available to this handler, and is setup
8810 // just prior to jumping to this handler.  No code emitted.
8811 instruct CreateException( o0RegP ex_oop )
8812 %{
8813   match(Set ex_oop (CreateEx));
8814   ins_cost(0);
8815 
8816   size(0);
8817   // use the following format syntax
8818   format %{ "! exception oop is in R_O0; no code emitted" %}
8819   ins_encode();
8820   ins_pipe(empty);
8821 %}
8822 
8823 
8824 // Rethrow exception:
8825 // The exception oop will come in the first argument position.
8826 // Then JUMP (not call) to the rethrow stub code.
8827 instruct RethrowException()
8828 %{
8829   match(Rethrow);
8830   ins_cost(CALL_COST);
8831 
8832   // use the following format syntax
8833   format %{ "Jmp    rethrow_stub" %}
8834   ins_encode(enc_rethrow);
8835   ins_pipe(tail_call);
8836 %}
8837 
8838 
8839 // Die now
8840 instruct ShouldNotReachHere( )
8841 %{
8842   match(Halt);
8843   ins_cost(CALL_COST);
8844 
8845   size(4);
8846   // Use the following format syntax
8847   format %{ "ILLTRAP   ; ShouldNotReachHere" %}
8848   ins_encode( form2_illtrap() );
8849   ins_pipe(tail_call);
8850 %}
8851 
8852 // ============================================================================
8853 // The 2nd slow-half of a subtype check.  Scan the subklass's 2ndary superklass
8854 // array for an instance of the superklass.  Set a hidden internal cache on a
8855 // hit (cache is checked with exposed code in gen_subtype_check()).  Return
8856 // not zero for a miss or zero for a hit.  The encoding ALSO sets flags.
8857 instruct partialSubtypeCheck( o0RegP index, o1RegP sub, o2RegP super, flagsRegP pcc, o7RegP o7 ) %{
8858   match(Set index (PartialSubtypeCheck sub super));
8859   effect( KILL pcc, KILL o7 );
8860   ins_cost(DEFAULT_COST*10);
8861   format %{ "CALL   PartialSubtypeCheck\n\tNOP" %}
8862   ins_encode( enc_PartialSubtypeCheck() );
8863   ins_pipe(partial_subtype_check_pipe);
8864 %}
8865 
8866 instruct partialSubtypeCheck_vs_zero( flagsRegP pcc, o1RegP sub, o2RegP super, immP0 zero, o0RegP idx, o7RegP o7 ) %{
8867   match(Set pcc (CmpP (PartialSubtypeCheck sub super) zero));
8868   effect( KILL idx, KILL o7 );
8869   ins_cost(DEFAULT_COST*10);
8870   format %{ "CALL   PartialSubtypeCheck\n\tNOP\t# (sets condition codes)" %}
8871   ins_encode( enc_PartialSubtypeCheck() );
8872   ins_pipe(partial_subtype_check_pipe);
8873 %}
8874 
8875 
8876 // ============================================================================
8877 // inlined locking and unlocking
8878 
8879 instruct cmpFastLock(flagsRegP pcc, iRegP object, iRegP box, iRegP scratch2, o7RegP scratch ) %{
8880   match(Set pcc (FastLock object box));
8881 
8882   effect(KILL scratch, TEMP scratch2);
8883   ins_cost(100);
8884 
8885   size(4*112);       // conservative overestimation ...
8886   format %{ "FASTLOCK  $object, $box; KILL $scratch, $scratch2, $box" %}
8887   ins_encode( Fast_Lock(object, box, scratch, scratch2) );
8888   ins_pipe(long_memory_op);
8889 %}
8890 
8891 
8892 instruct cmpFastUnlock(flagsRegP pcc, iRegP object, iRegP box, iRegP scratch2, o7RegP scratch ) %{
8893   match(Set pcc (FastUnlock object box));
8894   effect(KILL scratch, TEMP scratch2);
8895   ins_cost(100);
8896 
8897   size(4*120);       // conservative overestimation ...
8898   format %{ "FASTUNLOCK  $object, $box; KILL $scratch, $scratch2, $box" %}
8899   ins_encode( Fast_Unlock(object, box, scratch, scratch2) );
8900   ins_pipe(long_memory_op);
8901 %}
8902 
8903 // Count and Base registers are fixed because the allocator cannot
8904 // kill unknown registers.  The encodings are generic.
8905 instruct clear_array(iRegX cnt, iRegP base, iRegX temp, Universe dummy, flagsReg ccr) %{
8906   match(Set dummy (ClearArray cnt base));
8907   effect(TEMP temp, KILL ccr);
8908   ins_cost(300);
8909   format %{ "MOV    $cnt,$temp\n"
8910     "loop:   SUBcc  $temp,8,$temp\t! Count down a dword of bytes\n"
8911     "        BRge   loop\t\t! Clearing loop\n"
8912     "        STX    G0,[$base+$temp]\t! delay slot" %}
8913   ins_encode( enc_Clear_Array(cnt, base, temp) );
8914   ins_pipe(long_memory_op);
8915 %}
8916 
8917 instruct string_compare(o0RegP str1, o1RegP str2, g3RegP tmp1, g4RegP tmp2, notemp_iRegI result,
8918                         o7RegI tmp3, flagsReg ccr) %{
8919   match(Set result (StrComp str1 str2));
8920   effect(USE_KILL str1, USE_KILL str2, KILL tmp1, KILL tmp2, KILL ccr, KILL tmp3);
8921   ins_cost(300);
8922   format %{ "String Compare $str1,$str2 -> $result" %}
8923   ins_encode( enc_String_Compare(str1, str2, tmp1, tmp2, result) );
8924   ins_pipe(long_memory_op);
8925 %}
8926 
8927 // ============================================================================
8928 //------------Bytes reverse--------------------------------------------------
8929 
8930 instruct bytes_reverse_int(iRegI dst, stackSlotI src) %{
8931   match(Set dst (ReverseBytesI src));
8932   effect(DEF dst, USE src);
8933 
8934   // Op cost is artificially doubled to make sure that load or store
8935   // instructions are preferred over this one which requires a spill
8936   // onto a stack slot.
8937   ins_cost(2*DEFAULT_COST + MEMORY_REF_COST);
8938   size(8);
8939   format %{ "LDUWA  $src, $dst\t!asi=primary_little" %}
8940   opcode(Assembler::lduwa_op3);
8941   ins_encode( form3_mem_reg_little(src, dst) );
8942   ins_pipe( iload_mem );
8943 %}
8944 
8945 instruct bytes_reverse_long(iRegL dst, stackSlotL src) %{
8946   match(Set dst (ReverseBytesL src));
8947   effect(DEF dst, USE src);
8948 
8949   // Op cost is artificially doubled to make sure that load or store
8950   // instructions are preferred over this one which requires a spill
8951   // onto a stack slot.
8952   ins_cost(2*DEFAULT_COST + MEMORY_REF_COST);
8953   size(8);
8954   format %{ "LDXA   $src, $dst\t!asi=primary_little" %}
8955 
8956   opcode(Assembler::ldxa_op3);
8957   ins_encode( form3_mem_reg_little(src, dst) );
8958   ins_pipe( iload_mem );
8959 %}
8960 
8961 // Load Integer reversed byte order
8962 instruct loadI_reversed(iRegI dst, memory src) %{
8963   match(Set dst (ReverseBytesI (LoadI src)));
8964 
8965   ins_cost(DEFAULT_COST + MEMORY_REF_COST);
8966   size(8);
8967   format %{ "LDUWA  $src, $dst\t!asi=primary_little" %}
8968 
8969   opcode(Assembler::lduwa_op3);
8970   ins_encode( form3_mem_reg_little( src, dst) );
8971   ins_pipe(iload_mem);
8972 %}
8973 
8974 // Load Long - aligned and reversed
8975 instruct loadL_reversed(iRegL dst, memory src) %{
8976   match(Set dst (ReverseBytesL (LoadL src)));
8977 
8978   ins_cost(DEFAULT_COST + MEMORY_REF_COST);
8979   size(8);
8980   format %{ "LDXA   $src, $dst\t!asi=primary_little" %}
8981 
8982   opcode(Assembler::ldxa_op3);
8983   ins_encode( form3_mem_reg_little( src, dst ) );
8984   ins_pipe(iload_mem);
8985 %}
8986 
8987 // Store Integer reversed byte order
8988 instruct storeI_reversed(memory dst, iRegI src) %{
8989   match(Set dst (StoreI dst (ReverseBytesI src)));
8990 
8991   ins_cost(MEMORY_REF_COST);
8992   size(8);
8993   format %{ "STWA   $src, $dst\t!asi=primary_little" %}
8994 
8995   opcode(Assembler::stwa_op3);
8996   ins_encode( form3_mem_reg_little( dst, src) );
8997   ins_pipe(istore_mem_reg);
8998 %}
8999 
9000 // Store Long reversed byte order
9001 instruct storeL_reversed(memory dst, iRegL src) %{
9002   match(Set dst (StoreL dst (ReverseBytesL src)));
9003 
9004   ins_cost(MEMORY_REF_COST);
9005   size(8);
9006   format %{ "STXA   $src, $dst\t!asi=primary_little" %}
9007 
9008   opcode(Assembler::stxa_op3);
9009   ins_encode( form3_mem_reg_little( dst, src) );
9010   ins_pipe(istore_mem_reg);
9011 %}
9012 
9013 //----------PEEPHOLE RULES-----------------------------------------------------
9014 // These must follow all instruction definitions as they use the names
9015 // defined in the instructions definitions.
9016 //
9017 // peepmatch ( root_instr_name [preceeding_instruction]* );
9018 //
9019 // peepconstraint %{
9020 // (instruction_number.operand_name relational_op instruction_number.operand_name
9021 //  [, ...] );
9022 // // instruction numbers are zero-based using left to right order in peepmatch
9023 //
9024 // peepreplace ( instr_name  ( [instruction_number.operand_name]* ) );
9025 // // provide an instruction_number.operand_name for each operand that appears
9026 // // in the replacement instruction's match rule
9027 //
9028 // ---------VM FLAGS---------------------------------------------------------
9029 //
9030 // All peephole optimizations can be turned off using -XX:-OptoPeephole
9031 //
9032 // Each peephole rule is given an identifying number starting with zero and
9033 // increasing by one in the order seen by the parser.  An individual peephole
9034 // can be enabled, and all others disabled, by using -XX:OptoPeepholeAt=#
9035 // on the command-line.
9036 //
9037 // ---------CURRENT LIMITATIONS----------------------------------------------
9038 //
9039 // Only match adjacent instructions in same basic block
9040 // Only equality constraints
9041 // Only constraints between operands, not (0.dest_reg == EAX_enc)
9042 // Only one replacement instruction
9043 //
9044 // ---------EXAMPLE----------------------------------------------------------
9045 //
9046 // // pertinent parts of existing instructions in architecture description
9047 // instruct movI(eRegI dst, eRegI src) %{
9048 //   match(Set dst (CopyI src));
9049 // %}
9050 //
9051 // instruct incI_eReg(eRegI dst, immI1 src, eFlagsReg cr) %{
9052 //   match(Set dst (AddI dst src));
9053 //   effect(KILL cr);
9054 // %}
9055 //
9056 // // Change (inc mov) to lea
9057 // peephole %{
9058 //   // increment preceeded by register-register move
9059 //   peepmatch ( incI_eReg movI );
9060 //   // require that the destination register of the increment
9061 //   // match the destination register of the move
9062 //   peepconstraint ( 0.dst == 1.dst );
9063 //   // construct a replacement instruction that sets
9064 //   // the destination to ( move's source register + one )
9065 //   peepreplace ( incI_eReg_immI1( 0.dst 1.src 0.src ) );
9066 // %}
9067 //
9068 
9069 // // Change load of spilled value to only a spill
9070 // instruct storeI(memory mem, eRegI src) %{
9071 //   match(Set mem (StoreI mem src));
9072 // %}
9073 //
9074 // instruct loadI(eRegI dst, memory mem) %{
9075 //   match(Set dst (LoadI mem));
9076 // %}
9077 //
9078 // peephole %{
9079 //   peepmatch ( loadI storeI );
9080 //   peepconstraint ( 1.src == 0.dst, 1.mem == 0.mem );
9081 //   peepreplace ( storeI( 1.mem 1.mem 1.src ) );
9082 // %}
9083 
9084 //----------SMARTSPILL RULES---------------------------------------------------
9085 // These must follow all instruction definitions as they use the names
9086 // defined in the instructions definitions.
9087 //
9088 // SPARC will probably not have any of these rules due to RISC instruction set.
9089 
9090 //----------PIPELINE-----------------------------------------------------------
9091 // Rules which define the behavior of the target architectures pipeline.