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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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640 } | 640 } |
641 | 641 |
642 ASSERT(FLAG_deopt_every_n_times < 2); // Other values not supported on ARM. | 642 ASSERT(FLAG_deopt_every_n_times < 2); // Other values not supported on ARM. |
643 | 643 |
644 if (FLAG_deopt_every_n_times == 1 && | 644 if (FLAG_deopt_every_n_times == 1 && |
645 info_->shared_info()->opt_count() == id) { | 645 info_->shared_info()->opt_count() == id) { |
646 __ Jump(entry, RelocInfo::RUNTIME_ENTRY); | 646 __ Jump(entry, RelocInfo::RUNTIME_ENTRY); |
647 return; | 647 return; |
648 } | 648 } |
649 | 649 |
650 if (cc == kNoCondition) { | 650 if (cc == al) { |
651 if (FLAG_trap_on_deopt) __ stop("trap_on_deopt"); | 651 if (FLAG_trap_on_deopt) __ stop("trap_on_deopt"); |
652 __ Jump(entry, RelocInfo::RUNTIME_ENTRY); | 652 __ Jump(entry, RelocInfo::RUNTIME_ENTRY); |
653 } else { | 653 } else { |
654 if (FLAG_trap_on_deopt) { | 654 if (FLAG_trap_on_deopt) { |
655 Label done; | 655 Label done; |
656 __ b(&done, NegateCondition(cc)); | 656 __ b(&done, NegateCondition(cc)); |
657 __ stop("trap_on_deopt"); | 657 __ stop("trap_on_deopt"); |
658 __ Jump(entry, RelocInfo::RUNTIME_ENTRY); | 658 __ Jump(entry, RelocInfo::RUNTIME_ENTRY); |
659 __ bind(&done); | 659 __ bind(&done); |
660 } else { | 660 } else { |
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1182 __ mul(left, left, right); | 1182 __ mul(left, left, right); |
1183 } | 1183 } |
1184 | 1184 |
1185 if (instr->hydrogen()->CheckFlag(HValue::kBailoutOnMinusZero)) { | 1185 if (instr->hydrogen()->CheckFlag(HValue::kBailoutOnMinusZero)) { |
1186 // Bail out if the result is supposed to be negative zero. | 1186 // Bail out if the result is supposed to be negative zero. |
1187 Label done; | 1187 Label done; |
1188 __ tst(left, Operand(left)); | 1188 __ tst(left, Operand(left)); |
1189 __ b(ne, &done); | 1189 __ b(ne, &done); |
1190 if (instr->InputAt(1)->IsConstantOperand()) { | 1190 if (instr->InputAt(1)->IsConstantOperand()) { |
1191 if (ToInteger32(LConstantOperand::cast(instr->InputAt(1))) < 0) { | 1191 if (ToInteger32(LConstantOperand::cast(instr->InputAt(1))) < 0) { |
1192 DeoptimizeIf(kNoCondition, instr->environment()); | 1192 DeoptimizeIf(al, instr->environment()); |
1193 } | 1193 } |
1194 } else { | 1194 } else { |
1195 // Test the non-zero operand for negative sign. | 1195 // Test the non-zero operand for negative sign. |
1196 __ cmp(ToRegister(instr->TempAt(0)), Operand(0)); | 1196 __ cmp(ToRegister(instr->TempAt(0)), Operand(0)); |
1197 DeoptimizeIf(mi, instr->environment()); | 1197 DeoptimizeIf(mi, instr->environment()); |
1198 } | 1198 } |
1199 __ bind(&done); | 1199 __ bind(&done); |
1200 } | 1200 } |
1201 } | 1201 } |
1202 | 1202 |
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3827 } | 3827 } |
3828 | 3828 |
3829 | 3829 |
3830 void LCodeGen::DoLazyBailout(LLazyBailout* instr) { | 3830 void LCodeGen::DoLazyBailout(LLazyBailout* instr) { |
3831 // No code for lazy bailout instruction. Used to capture environment after a | 3831 // No code for lazy bailout instruction. Used to capture environment after a |
3832 // call for populating the safepoint data with deoptimization data. | 3832 // call for populating the safepoint data with deoptimization data. |
3833 } | 3833 } |
3834 | 3834 |
3835 | 3835 |
3836 void LCodeGen::DoDeoptimize(LDeoptimize* instr) { | 3836 void LCodeGen::DoDeoptimize(LDeoptimize* instr) { |
3837 DeoptimizeIf(kNoCondition, instr->environment()); | 3837 DeoptimizeIf(al, instr->environment()); |
3838 } | 3838 } |
3839 | 3839 |
3840 | 3840 |
3841 void LCodeGen::DoDeleteProperty(LDeleteProperty* instr) { | 3841 void LCodeGen::DoDeleteProperty(LDeleteProperty* instr) { |
3842 Register object = ToRegister(instr->object()); | 3842 Register object = ToRegister(instr->object()); |
3843 Register key = ToRegister(instr->key()); | 3843 Register key = ToRegister(instr->key()); |
3844 __ Push(object, key); | 3844 __ Push(object, key); |
3845 ASSERT(instr->HasPointerMap() && instr->HasDeoptimizationEnvironment()); | 3845 ASSERT(instr->HasPointerMap() && instr->HasDeoptimizationEnvironment()); |
3846 LPointerMap* pointers = instr->pointer_map(); | 3846 LPointerMap* pointers = instr->pointer_map(); |
3847 LEnvironment* env = instr->deoptimization_environment(); | 3847 LEnvironment* env = instr->deoptimization_environment(); |
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3867 | 3867 |
3868 | 3868 |
3869 void LCodeGen::DoOsrEntry(LOsrEntry* instr) { | 3869 void LCodeGen::DoOsrEntry(LOsrEntry* instr) { |
3870 Abort("DoOsrEntry unimplemented."); | 3870 Abort("DoOsrEntry unimplemented."); |
3871 } | 3871 } |
3872 | 3872 |
3873 | 3873 |
3874 #undef __ | 3874 #undef __ |
3875 | 3875 |
3876 } } // namespace v8::internal | 3876 } } // namespace v8::internal |
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