Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/sparc/vm/stubGenerator_sparc.cpp
src/cpu/sparc/vm/stubGenerator_sparc.cpp
- changeset 777
- 37f87013dfd8
- parent 548
- ba764ed4b6f2
- child 791
- 1ee8caae33af
equal
deleted
inserted
replaced
| 624:0b27f3512f9e | 777:37f87013dfd8 |
|---|---|
| 1108 // tmp - scratch register | 1108 // tmp - scratch register |
| 1109 // | 1109 // |
| 1110 // The input registers are overwritten. | 1110 // The input registers are overwritten. |
| 1111 // | 1111 // |
| 1112 void gen_write_ref_array_pre_barrier(Register addr, Register count) { | 1112 void gen_write_ref_array_pre_barrier(Register addr, Register count) { |
| 1113 #if 0 // G1 only | |
| 1114 BarrierSet* bs = Universe::heap()->barrier_set(); | 1113 BarrierSet* bs = Universe::heap()->barrier_set(); |
| 1115 if (bs->has_write_ref_pre_barrier()) { | 1114 if (bs->has_write_ref_pre_barrier()) { |
| 1116 assert(bs->has_write_ref_array_pre_opt(), | 1115 assert(bs->has_write_ref_array_pre_opt(), |
| 1117 "Else unsupported barrier set."); | 1116 "Else unsupported barrier set."); |
| 1118 | 1117 |
| 1119 assert(addr->is_global() && count->is_global(), | |
| 1120 "If not, then we have to fix this code to handle more " | |
| 1121 "general cases."); | |
| 1122 // Get some new fresh output registers. | |
| 1123 __ save_frame(0); | 1118 __ save_frame(0); |
| 1124 // Save the necessary global regs... will be used after. | 1119 // Save the necessary global regs... will be used after. |
| 1125 __ mov(addr, L0); | 1120 if (addr->is_global()) { |
| 1126 __ mov(count, L1); | 1121 __ mov(addr, L0); |
| 1127 | 1122 } |
| 1128 __ mov(addr, O0); | 1123 if (count->is_global()) { |
| 1124 __ mov(count, L1); | |
| 1125 } | |
| 1126 __ mov(addr->after_save(), O0); | |
| 1129 // Get the count into O1 | 1127 // Get the count into O1 |
| 1130 __ call(CAST_FROM_FN_PTR(address, BarrierSet::static_write_ref_array_pre)); | 1128 __ call(CAST_FROM_FN_PTR(address, BarrierSet::static_write_ref_array_pre)); |
| 1131 __ delayed()->mov(count, O1); | 1129 __ delayed()->mov(count->after_save(), O1); |
| 1132 __ mov(L0, addr); | 1130 if (addr->is_global()) { |
| 1133 __ mov(L1, count); | 1131 __ mov(L0, addr); |
| 1132 } | |
| 1133 if (count->is_global()) { | |
| 1134 __ mov(L1, count); | |
| 1135 } | |
| 1134 __ restore(); | 1136 __ restore(); |
| 1135 } | 1137 } |
| 1136 #endif // 0 | |
| 1137 } | 1138 } |
| 1138 // | 1139 // |
| 1139 // Generate post-write barrier for array. | 1140 // Generate post-write barrier for array. |
| 1140 // | 1141 // |
| 1141 // Input: | 1142 // Input: |
| 1148 void gen_write_ref_array_post_barrier(Register addr, Register count, | 1149 void gen_write_ref_array_post_barrier(Register addr, Register count, |
| 1149 Register tmp) { | 1150 Register tmp) { |
| 1150 BarrierSet* bs = Universe::heap()->barrier_set(); | 1151 BarrierSet* bs = Universe::heap()->barrier_set(); |
| 1151 | 1152 |
| 1152 switch (bs->kind()) { | 1153 switch (bs->kind()) { |
| 1153 #if 0 // G1 - only | |
| 1154 case BarrierSet::G1SATBCT: | 1154 case BarrierSet::G1SATBCT: |
| 1155 case BarrierSet::G1SATBCTLogging: | 1155 case BarrierSet::G1SATBCTLogging: |
| 1156 { | 1156 { |
| 1157 assert(addr->is_global() && count->is_global(), | |
| 1158 "If not, then we have to fix this code to handle more " | |
| 1159 "general cases."); | |
| 1160 // Get some new fresh output registers. | 1157 // Get some new fresh output registers. |
| 1161 __ save_frame(0); | 1158 __ save_frame(0); |
| 1162 __ mov(addr, O0); | 1159 __ mov(addr->after_save(), O0); |
| 1163 __ call(CAST_FROM_FN_PTR(address, BarrierSet::static_write_ref_array_post)); | 1160 __ call(CAST_FROM_FN_PTR(address, BarrierSet::static_write_ref_array_post)); |
| 1164 __ delayed()->mov(count, O1); | 1161 __ delayed()->mov(count->after_save(), O1); |
| 1165 __ restore(); | 1162 __ restore(); |
| 1166 } | 1163 } |
| 1167 break; | 1164 break; |
| 1168 #endif // 0 G1 - only | |
| 1169 case BarrierSet::CardTableModRef: | 1165 case BarrierSet::CardTableModRef: |
| 1170 case BarrierSet::CardTableExtension: | 1166 case BarrierSet::CardTableExtension: |
| 1171 { | 1167 { |
| 1172 CardTableModRefBS* ct = (CardTableModRefBS*)bs; | 1168 CardTableModRefBS* ct = (CardTableModRefBS*)bs; |
| 1173 assert(sizeof(*ct->byte_map_base) == sizeof(jbyte), "adjust this code"); | 1169 assert(sizeof(*ct->byte_map_base) == sizeof(jbyte), "adjust this code"); |
| 2410 | 2406 |
| 2411 __ align(CodeEntryAlignment); | 2407 __ align(CodeEntryAlignment); |
| 2412 StubCodeMark mark(this, "StubRoutines", name); | 2408 StubCodeMark mark(this, "StubRoutines", name); |
| 2413 address start = __ pc(); | 2409 address start = __ pc(); |
| 2414 | 2410 |
| 2415 gen_write_ref_array_pre_barrier(G1, G5); | 2411 gen_write_ref_array_pre_barrier(O1, O2); |
| 2416 | |
| 2417 | 2412 |
| 2418 #ifdef ASSERT | 2413 #ifdef ASSERT |
| 2419 // We sometimes save a frame (see partial_subtype_check below). | 2414 // We sometimes save a frame (see partial_subtype_check below). |
| 2420 // If this will cause trouble, let's fail now instead of later. | 2415 // If this will cause trouble, let's fail now instead of later. |
| 2421 __ save_frame(0); | 2416 __ save_frame(0); |
