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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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3216 ASSERT(ToRegister(instr->key()).is(rcx)); | 3216 ASSERT(ToRegister(instr->key()).is(rcx)); |
3217 ASSERT(ToRegister(instr->value()).is(rax)); | 3217 ASSERT(ToRegister(instr->value()).is(rax)); |
3218 | 3218 |
3219 Handle<Code> ic = instr->strict_mode() | 3219 Handle<Code> ic = instr->strict_mode() |
3220 ? isolate()->builtins()->KeyedStoreIC_Initialize_Strict() | 3220 ? isolate()->builtins()->KeyedStoreIC_Initialize_Strict() |
3221 : isolate()->builtins()->KeyedStoreIC_Initialize(); | 3221 : isolate()->builtins()->KeyedStoreIC_Initialize(); |
3222 CallCode(ic, RelocInfo::CODE_TARGET, instr); | 3222 CallCode(ic, RelocInfo::CODE_TARGET, instr); |
3223 } | 3223 } |
3224 | 3224 |
3225 | 3225 |
| 3226 void LCodeGen::DoTransitionElementsKind(LTransitionElementsKind* instr) { |
| 3227 Register object_reg = ToRegister(instr->object()); |
| 3228 Register new_map_reg = ToRegister(instr->new_map_reg()); |
| 3229 |
| 3230 Handle<Map> from_map = instr->original_map(); |
| 3231 Handle<Map> to_map = instr->transitioned_map(); |
| 3232 ElementsKind from_kind = from_map->elements_kind(); |
| 3233 ElementsKind to_kind = to_map->elements_kind(); |
| 3234 |
| 3235 Label not_applicable; |
| 3236 __ Cmp(FieldOperand(object_reg, HeapObject::kMapOffset), from_map); |
| 3237 __ j(not_equal, ¬_applicable); |
| 3238 __ movq(new_map_reg, to_map, RelocInfo::EMBEDDED_OBJECT); |
| 3239 if (from_kind == FAST_SMI_ONLY_ELEMENTS && to_kind == FAST_ELEMENTS) { |
| 3240 __ movq(FieldOperand(object_reg, HeapObject::kMapOffset), new_map_reg); |
| 3241 // Write barrier. |
| 3242 ASSERT_NE(instr->temp_reg(), NULL); |
| 3243 __ RecordWriteField(object_reg, HeapObject::kMapOffset, new_map_reg, |
| 3244 ToRegister(instr->temp_reg()), kDontSaveFPRegs); |
| 3245 } else if (from_kind == FAST_SMI_ONLY_ELEMENTS && |
| 3246 to_kind == FAST_DOUBLE_ELEMENTS) { |
| 3247 Register fixed_object_reg = ToRegister(instr->temp_reg()); |
| 3248 ASSERT(fixed_object_reg.is(rdx)); |
| 3249 ASSERT(new_map_reg.is(rbx)); |
| 3250 __ movq(fixed_object_reg, object_reg); |
| 3251 CallCode(isolate()->builtins()->TransitionElementsSmiToDouble(), |
| 3252 RelocInfo::CODE_TARGET, instr); |
| 3253 } else if (from_kind == FAST_DOUBLE_ELEMENTS && to_kind == FAST_ELEMENTS) { |
| 3254 Register fixed_object_reg = ToRegister(instr->temp_reg()); |
| 3255 ASSERT(fixed_object_reg.is(rdx)); |
| 3256 ASSERT(new_map_reg.is(rbx)); |
| 3257 __ movq(fixed_object_reg, object_reg); |
| 3258 CallCode(isolate()->builtins()->TransitionElementsDoubleToObject(), |
| 3259 RelocInfo::CODE_TARGET, instr); |
| 3260 } else { |
| 3261 UNREACHABLE(); |
| 3262 } |
| 3263 __ bind(¬_applicable); |
| 3264 } |
| 3265 |
| 3266 |
3226 void LCodeGen::DoStringAdd(LStringAdd* instr) { | 3267 void LCodeGen::DoStringAdd(LStringAdd* instr) { |
3227 EmitPushTaggedOperand(instr->left()); | 3268 EmitPushTaggedOperand(instr->left()); |
3228 EmitPushTaggedOperand(instr->right()); | 3269 EmitPushTaggedOperand(instr->right()); |
3229 StringAddStub stub(NO_STRING_CHECK_IN_STUB); | 3270 StringAddStub stub(NO_STRING_CHECK_IN_STUB); |
3230 CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr); | 3271 CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr); |
3231 } | 3272 } |
3232 | 3273 |
3233 | 3274 |
3234 void LCodeGen::DoStringCharCodeAt(LStringCharCodeAt* instr) { | 3275 void LCodeGen::DoStringCharCodeAt(LStringCharCodeAt* instr) { |
3235 class DeferredStringCharCodeAt: public LDeferredCode { | 3276 class DeferredStringCharCodeAt: public LDeferredCode { |
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4196 RegisterEnvironmentForDeoptimization(environment); | 4237 RegisterEnvironmentForDeoptimization(environment); |
4197 ASSERT(osr_pc_offset_ == -1); | 4238 ASSERT(osr_pc_offset_ == -1); |
4198 osr_pc_offset_ = masm()->pc_offset(); | 4239 osr_pc_offset_ = masm()->pc_offset(); |
4199 } | 4240 } |
4200 | 4241 |
4201 #undef __ | 4242 #undef __ |
4202 | 4243 |
4203 } } // namespace v8::internal | 4244 } } // namespace v8::internal |
4204 | 4245 |
4205 #endif // V8_TARGET_ARCH_X64 | 4246 #endif // V8_TARGET_ARCH_X64 |
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