120 #ifndef SERIALGC
121 case BarrierSet::G1SATBCT:
122 case BarrierSet::G1SATBCTLogging:
123 {
124 // flatten object address if needed
125 // We do it regardless of precise because we need the registers
126 if (obj.index() == noreg && obj.disp() == 0) {
127 if (obj.base() != rdx) {
128 __ movl(rdx, obj.base());
129 }
130 } else {
131 __ leal(rdx, obj);
132 }
133 __ get_thread(rcx);
134 __ save_bcp();
135 __ g1_write_barrier_pre(rdx, rcx, rsi, rbx, val != noreg);
136
137 // Do the actual store
138 // noreg means NULL
139 if (val == noreg) {
140 __ movl(Address(rdx, 0), NULL_WORD);
141 // No post barrier for NULL
142 } else {
143 __ movl(Address(rdx, 0), val);
144 __ g1_write_barrier_post(rdx, rax, rcx, rbx, rsi);
145 }
146 __ restore_bcp();
147
148 }
149 break;
150 #endif // SERIALGC
151 case BarrierSet::CardTableModRef:
152 case BarrierSet::CardTableExtension:
153 {
154 if (val == noreg) {
155 __ movl(obj, NULL_WORD);
156 } else {
157 __ movl(obj, val);
158 // flatten object address if needed
159 if (!precise || (obj.index() == noreg && obj.disp() == 0)) {
160 __ store_check(obj.base());
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120 #ifndef SERIALGC
121 case BarrierSet::G1SATBCT:
122 case BarrierSet::G1SATBCTLogging:
123 {
124 // flatten object address if needed
125 // We do it regardless of precise because we need the registers
126 if (obj.index() == noreg && obj.disp() == 0) {
127 if (obj.base() != rdx) {
128 __ movl(rdx, obj.base());
129 }
130 } else {
131 __ leal(rdx, obj);
132 }
133 __ get_thread(rcx);
134 __ save_bcp();
135 __ g1_write_barrier_pre(rdx, rcx, rsi, rbx, val != noreg);
136
137 // Do the actual store
138 // noreg means NULL
139 if (val == noreg) {
140 __ movl(Address(rdx, 0), (int32_t)NULL_WORD);
141 // No post barrier for NULL
142 } else {
143 __ movl(Address(rdx, 0), val);
144 __ g1_write_barrier_post(rdx, rax, rcx, rbx, rsi);
145 }
146 __ restore_bcp();
147
148 }
149 break;
150 #endif // SERIALGC
151 case BarrierSet::CardTableModRef:
152 case BarrierSet::CardTableExtension:
153 {
154 if (val == noreg) {
155 __ movl(obj, NULL_WORD);
156 } else {
157 __ movl(obj, val);
158 // flatten object address if needed
159 if (!precise || (obj.index() == noreg && obj.disp() == 0)) {
160 __ store_check(obj.base());
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