70         default:
  71           ShouldNotReachHere();
  72       }
  73     do_non_sethi:;
  74     #endif
  75     {
  76     guarantee(Assembler::inv_immed(inst), "must have a simm13 field");
  77     int simm13 = Assembler::low10((intptr_t)x) + o;
  78     guarantee(Assembler::is_simm13(simm13), "offset can't overflow simm13");
  79     inst &= ~Assembler::simm(    -1, 13);
  80     inst |=  Assembler::simm(simm13, 13);
  81     ip->set_long_at(0, inst);
  82     }
  83     break;
  84 
  85   case Assembler::branch_op:
  86     {
  87 #ifdef _LP64
  88     jint inst2;
  89     guarantee(Assembler::inv_op2(inst)==Assembler::sethi_op2, "must be sethi");











  90     ip->set_data64_sethi( ip->addr_at(0), (intptr_t)x );
  91 #ifdef COMPILER2
  92     // [RGV] Someone must have missed putting in a reloc entry for the
  93     // add in compiler2.
  94     inst2 = ip->long_at( NativeMovConstReg::add_offset );
  95     guarantee(Assembler::inv_op(inst2)==Assembler::arith_op, "arith op");
  96     ip->set_long_at(NativeMovConstReg::add_offset,ip->set_data32_simm13( inst2, (intptr_t)x+o));
  97 #endif
  98 #else
  99     guarantee(Assembler::inv_op2(inst)==Assembler::sethi_op2, "must be sethi");
 100     inst &= ~Assembler::hi22(     -1);
 101     inst |=  Assembler::hi22((intptr_t)x);
 102     // (ignore offset; it doesn't play into the sethi)
 103     ip->set_long_at(0, inst);
 104 #endif
 105     }
 106     break;
 107 
 108   default:
 109     guarantee(false, "instruction must perform arithmetic or memory access");

  70         default:
  71           ShouldNotReachHere();
  72       }
  73     do_non_sethi:;
  74     #endif
  75     {
  76     guarantee(Assembler::inv_immed(inst), "must have a simm13 field");
  77     int simm13 = Assembler::low10((intptr_t)x) + o;
  78     guarantee(Assembler::is_simm13(simm13), "offset can't overflow simm13");
  79     inst &= ~Assembler::simm(    -1, 13);
  80     inst |=  Assembler::simm(simm13, 13);
  81     ip->set_long_at(0, inst);
  82     }
  83     break;
  84 
  85   case Assembler::branch_op:
  86     {
  87 #ifdef _LP64
  88     jint inst2;
  89     guarantee(Assembler::inv_op2(inst)==Assembler::sethi_op2, "must be sethi");
  90     if (format() != 0) {
  91       assert(type() == relocInfo::oop_type, "only narrow oops case");
  92       jint np = oopDesc::encode_heap_oop((oop)x);
  93       inst &= ~Assembler::hi22(-1);
  94       inst |=  Assembler::hi22((intptr_t)np);
  95       ip->set_long_at(0, inst);
  96       inst2 = ip->long_at( NativeInstruction::nop_instruction_size );
  97       guarantee(Assembler::inv_op(inst2)==Assembler::arith_op, "arith op");
  98       ip->set_long_at(NativeInstruction::nop_instruction_size, ip->set_data32_simm13( inst2, (intptr_t)np));
  99       break;
 100     }
 101     ip->set_data64_sethi( ip->addr_at(0), (intptr_t)x );
 102 #ifdef COMPILER2
 103     // [RGV] Someone must have missed putting in a reloc entry for the
 104     // add in compiler2.
 105     inst2 = ip->long_at( NativeMovConstReg::add_offset );
 106     guarantee(Assembler::inv_op(inst2)==Assembler::arith_op, "arith op");
 107     ip->set_long_at(NativeMovConstReg::add_offset,ip->set_data32_simm13( inst2, (intptr_t)x+o));
 108 #endif
 109 #else
 110     guarantee(Assembler::inv_op2(inst)==Assembler::sethi_op2, "must be sethi");
 111     inst &= ~Assembler::hi22(     -1);
 112     inst |=  Assembler::hi22((intptr_t)x);
 113     // (ignore offset; it doesn't play into the sethi)
 114     ip->set_long_at(0, inst);
 115 #endif
 116     }
 117     break;
 118 
 119   default:
 120     guarantee(false, "instruction must perform arithmetic or memory access");