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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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988 | 988 |
989 __ cmp(edx, eax); | 989 __ cmp(edx, eax); |
990 __ j(not_equal, &next_test); | 990 __ j(not_equal, &next_test); |
991 __ Drop(1); // Switch value is no longer needed. | 991 __ Drop(1); // Switch value is no longer needed. |
992 __ jmp(clause->body_target()); | 992 __ jmp(clause->body_target()); |
993 __ bind(&slow_case); | 993 __ bind(&slow_case); |
994 } | 994 } |
995 | 995 |
996 // Record position before stub call for type feedback. | 996 // Record position before stub call for type feedback. |
997 SetSourcePosition(clause->position()); | 997 SetSourcePosition(clause->position()); |
998 Handle<Code> ic = CompareIC::GetUninitialized(Token::EQ_STRICT); | 998 Handle<Code> ic = CompareIC::GetUninitialized(isolate(), Token::EQ_STRICT); |
999 CallIC(ic, RelocInfo::CODE_TARGET, clause->CompareId()); | 999 CallIC(ic, RelocInfo::CODE_TARGET, clause->CompareId()); |
1000 patch_site.EmitPatchInfo(); | 1000 patch_site.EmitPatchInfo(); |
1001 __ test(eax, eax); | 1001 __ test(eax, eax); |
1002 __ j(not_equal, &next_test); | 1002 __ j(not_equal, &next_test); |
1003 __ Drop(1); // Switch value is no longer needed. | 1003 __ Drop(1); // Switch value is no longer needed. |
1004 __ jmp(clause->body_target()); | 1004 __ jmp(clause->body_target()); |
1005 } | 1005 } |
1006 | 1006 |
1007 // Discard the test value and jump to the default if present, otherwise to | 1007 // Discard the test value and jump to the default if present, otherwise to |
1008 // the end of the statement. | 1008 // the end of the statement. |
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1895 Label smi_case, done, stub_call; | 1895 Label smi_case, done, stub_call; |
1896 __ pop(edx); | 1896 __ pop(edx); |
1897 __ mov(ecx, eax); | 1897 __ mov(ecx, eax); |
1898 __ or_(eax, edx); | 1898 __ or_(eax, edx); |
1899 JumpPatchSite patch_site(masm_); | 1899 JumpPatchSite patch_site(masm_); |
1900 patch_site.EmitJumpIfSmi(eax, &smi_case, Label::kNear); | 1900 patch_site.EmitJumpIfSmi(eax, &smi_case, Label::kNear); |
1901 | 1901 |
1902 __ bind(&stub_call); | 1902 __ bind(&stub_call); |
1903 __ mov(eax, ecx); | 1903 __ mov(eax, ecx); |
1904 BinaryOpStub stub(op, mode); | 1904 BinaryOpStub stub(op, mode); |
1905 CallIC(stub.GetCode(), RelocInfo::CODE_TARGET, | 1905 CallIC(stub.GetCode(isolate()), RelocInfo::CODE_TARGET, |
1906 expr->BinaryOperationFeedbackId()); | 1906 expr->BinaryOperationFeedbackId()); |
1907 patch_site.EmitPatchInfo(); | 1907 patch_site.EmitPatchInfo(); |
1908 __ jmp(&done, Label::kNear); | 1908 __ jmp(&done, Label::kNear); |
1909 | 1909 |
1910 // Smi case. | 1910 // Smi case. |
1911 __ bind(&smi_case); | 1911 __ bind(&smi_case); |
1912 __ mov(eax, edx); // Copy left operand in case of a stub call. | 1912 __ mov(eax, edx); // Copy left operand in case of a stub call. |
1913 | 1913 |
1914 switch (op) { | 1914 switch (op) { |
1915 case Token::SAR: | 1915 case Token::SAR: |
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1981 context()->Plug(eax); | 1981 context()->Plug(eax); |
1982 } | 1982 } |
1983 | 1983 |
1984 | 1984 |
1985 void FullCodeGenerator::EmitBinaryOp(BinaryOperation* expr, | 1985 void FullCodeGenerator::EmitBinaryOp(BinaryOperation* expr, |
1986 Token::Value op, | 1986 Token::Value op, |
1987 OverwriteMode mode) { | 1987 OverwriteMode mode) { |
1988 __ pop(edx); | 1988 __ pop(edx); |
1989 BinaryOpStub stub(op, mode); | 1989 BinaryOpStub stub(op, mode); |
1990 JumpPatchSite patch_site(masm_); // unbound, signals no inlined smi code. | 1990 JumpPatchSite patch_site(masm_); // unbound, signals no inlined smi code. |
1991 CallIC(stub.GetCode(), RelocInfo::CODE_TARGET, | 1991 CallIC(stub.GetCode(isolate()), RelocInfo::CODE_TARGET, |
1992 expr->BinaryOperationFeedbackId()); | 1992 expr->BinaryOperationFeedbackId()); |
1993 patch_site.EmitPatchInfo(); | 1993 patch_site.EmitPatchInfo(); |
1994 context()->Plug(eax); | 1994 context()->Plug(eax); |
1995 } | 1995 } |
1996 | 1996 |
1997 | 1997 |
1998 void FullCodeGenerator::EmitAssignment(Expression* expr) { | 1998 void FullCodeGenerator::EmitAssignment(Expression* expr) { |
1999 // Invalid left-hand sides are rewritten by the parser to have a 'throw | 1999 // Invalid left-hand sides are rewritten by the parser to have a 'throw |
2000 // ReferenceError' on the left-hand side. | 2000 // ReferenceError' on the left-hand side. |
2001 if (!expr->IsValidLeftHandSide()) { | 2001 if (!expr->IsValidLeftHandSide()) { |
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2472 | 2472 |
2473 // Record call targets in unoptimized code. | 2473 // Record call targets in unoptimized code. |
2474 Handle<Object> uninitialized = | 2474 Handle<Object> uninitialized = |
2475 TypeFeedbackCells::UninitializedSentinel(isolate()); | 2475 TypeFeedbackCells::UninitializedSentinel(isolate()); |
2476 Handle<JSGlobalPropertyCell> cell = | 2476 Handle<JSGlobalPropertyCell> cell = |
2477 isolate()->factory()->NewJSGlobalPropertyCell(uninitialized); | 2477 isolate()->factory()->NewJSGlobalPropertyCell(uninitialized); |
2478 RecordTypeFeedbackCell(expr->CallNewFeedbackId(), cell); | 2478 RecordTypeFeedbackCell(expr->CallNewFeedbackId(), cell); |
2479 __ mov(ebx, cell); | 2479 __ mov(ebx, cell); |
2480 | 2480 |
2481 CallConstructStub stub(RECORD_CALL_TARGET); | 2481 CallConstructStub stub(RECORD_CALL_TARGET); |
2482 __ call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL); | 2482 __ call(stub.GetCode(isolate()), RelocInfo::CONSTRUCT_CALL); |
2483 PrepareForBailoutForId(expr->ReturnId(), TOS_REG); | 2483 PrepareForBailoutForId(expr->ReturnId(), TOS_REG); |
2484 context()->Plug(eax); | 2484 context()->Plug(eax); |
2485 } | 2485 } |
2486 | 2486 |
2487 | 2487 |
2488 void FullCodeGenerator::EmitIsSmi(CallRuntime* expr) { | 2488 void FullCodeGenerator::EmitIsSmi(CallRuntime* expr) { |
2489 ZoneList<Expression*>* args = expr->arguments(); | 2489 ZoneList<Expression*>* args = expr->arguments(); |
2490 ASSERT(args->length() == 1); | 2490 ASSERT(args->length() == 1); |
2491 | 2491 |
2492 VisitForAccumulatorValue(args->at(0)); | 2492 VisitForAccumulatorValue(args->at(0)); |
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3982 const char* comment) { | 3982 const char* comment) { |
3983 Comment cmt(masm_, comment); | 3983 Comment cmt(masm_, comment); |
3984 bool can_overwrite = expr->expression()->ResultOverwriteAllowed(); | 3984 bool can_overwrite = expr->expression()->ResultOverwriteAllowed(); |
3985 UnaryOverwriteMode overwrite = | 3985 UnaryOverwriteMode overwrite = |
3986 can_overwrite ? UNARY_OVERWRITE : UNARY_NO_OVERWRITE; | 3986 can_overwrite ? UNARY_OVERWRITE : UNARY_NO_OVERWRITE; |
3987 UnaryOpStub stub(expr->op(), overwrite); | 3987 UnaryOpStub stub(expr->op(), overwrite); |
3988 // UnaryOpStub expects the argument to be in the | 3988 // UnaryOpStub expects the argument to be in the |
3989 // accumulator register eax. | 3989 // accumulator register eax. |
3990 VisitForAccumulatorValue(expr->expression()); | 3990 VisitForAccumulatorValue(expr->expression()); |
3991 SetSourcePosition(expr->position()); | 3991 SetSourcePosition(expr->position()); |
3992 CallIC(stub.GetCode(), RelocInfo::CODE_TARGET, | 3992 CallIC(stub.GetCode(isolate()), RelocInfo::CODE_TARGET, |
3993 expr->UnaryOperationFeedbackId()); | 3993 expr->UnaryOperationFeedbackId()); |
3994 context()->Plug(eax); | 3994 context()->Plug(eax); |
3995 } | 3995 } |
3996 | 3996 |
3997 | 3997 |
3998 void FullCodeGenerator::VisitCountOperation(CountOperation* expr) { | 3998 void FullCodeGenerator::VisitCountOperation(CountOperation* expr) { |
3999 Comment cmnt(masm_, "[ CountOperation"); | 3999 Comment cmnt(masm_, "[ CountOperation"); |
4000 SetSourcePosition(expr->position()); | 4000 SetSourcePosition(expr->position()); |
4001 | 4001 |
4002 // Invalid left-hand sides are rewritten to have a 'throw ReferenceError' | 4002 // Invalid left-hand sides are rewritten to have a 'throw ReferenceError' |
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4104 } | 4104 } |
4105 } | 4105 } |
4106 | 4106 |
4107 // Record position before stub call. | 4107 // Record position before stub call. |
4108 SetSourcePosition(expr->position()); | 4108 SetSourcePosition(expr->position()); |
4109 | 4109 |
4110 // Call stub for +1/-1. | 4110 // Call stub for +1/-1. |
4111 __ mov(edx, eax); | 4111 __ mov(edx, eax); |
4112 __ mov(eax, Immediate(Smi::FromInt(1))); | 4112 __ mov(eax, Immediate(Smi::FromInt(1))); |
4113 BinaryOpStub stub(expr->binary_op(), NO_OVERWRITE); | 4113 BinaryOpStub stub(expr->binary_op(), NO_OVERWRITE); |
4114 CallIC(stub.GetCode(), RelocInfo::CODE_TARGET, expr->CountBinOpFeedbackId()); | 4114 CallIC(stub.GetCode(isolate()), |
| 4115 RelocInfo::CODE_TARGET, |
| 4116 expr->CountBinOpFeedbackId()); |
4115 patch_site.EmitPatchInfo(); | 4117 patch_site.EmitPatchInfo(); |
4116 __ bind(&done); | 4118 __ bind(&done); |
4117 | 4119 |
4118 // Store the value returned in eax. | 4120 // Store the value returned in eax. |
4119 switch (assign_type) { | 4121 switch (assign_type) { |
4120 case VARIABLE: | 4122 case VARIABLE: |
4121 if (expr->is_postfix()) { | 4123 if (expr->is_postfix()) { |
4122 // Perform the assignment as if via '='. | 4124 // Perform the assignment as if via '='. |
4123 { EffectContext context(this); | 4125 { EffectContext context(this); |
4124 EmitVariableAssignment(expr->expression()->AsVariableProxy()->var(), | 4126 EmitVariableAssignment(expr->expression()->AsVariableProxy()->var(), |
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4340 __ mov(ecx, edx); | 4342 __ mov(ecx, edx); |
4341 __ or_(ecx, eax); | 4343 __ or_(ecx, eax); |
4342 patch_site.EmitJumpIfNotSmi(ecx, &slow_case, Label::kNear); | 4344 patch_site.EmitJumpIfNotSmi(ecx, &slow_case, Label::kNear); |
4343 __ cmp(edx, eax); | 4345 __ cmp(edx, eax); |
4344 Split(cc, if_true, if_false, NULL); | 4346 Split(cc, if_true, if_false, NULL); |
4345 __ bind(&slow_case); | 4347 __ bind(&slow_case); |
4346 } | 4348 } |
4347 | 4349 |
4348 // Record position and call the compare IC. | 4350 // Record position and call the compare IC. |
4349 SetSourcePosition(expr->position()); | 4351 SetSourcePosition(expr->position()); |
4350 Handle<Code> ic = CompareIC::GetUninitialized(op); | 4352 Handle<Code> ic = CompareIC::GetUninitialized(isolate(), op); |
4351 CallIC(ic, RelocInfo::CODE_TARGET, expr->CompareOperationFeedbackId()); | 4353 CallIC(ic, RelocInfo::CODE_TARGET, expr->CompareOperationFeedbackId()); |
4352 patch_site.EmitPatchInfo(); | 4354 patch_site.EmitPatchInfo(); |
4353 | 4355 |
4354 PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); | 4356 PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); |
4355 __ test(eax, eax); | 4357 __ test(eax, eax); |
4356 Split(cc, if_true, if_false, fall_through); | 4358 Split(cc, if_true, if_false, fall_through); |
4357 } | 4359 } |
4358 } | 4360 } |
4359 | 4361 |
4360 // Convert the result of the comparison into one expected for this | 4362 // Convert the result of the comparison into one expected for this |
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4537 *stack_depth = 0; | 4539 *stack_depth = 0; |
4538 *context_length = 0; | 4540 *context_length = 0; |
4539 return previous_; | 4541 return previous_; |
4540 } | 4542 } |
4541 | 4543 |
4542 #undef __ | 4544 #undef __ |
4543 | 4545 |
4544 } } // namespace v8::internal | 4546 } } // namespace v8::internal |
4545 | 4547 |
4546 #endif // V8_TARGET_ARCH_IA32 | 4548 #endif // V8_TARGET_ARCH_IA32 |
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