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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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2328 Label done, stub_call, smi_case; | 2328 Label done, stub_call, smi_case; |
2329 __ Pop(rdx); | 2329 __ Pop(rdx); |
2330 __ movp(rcx, rax); | 2330 __ movp(rcx, rax); |
2331 __ orp(rax, rdx); | 2331 __ orp(rax, rdx); |
2332 JumpPatchSite patch_site(masm_); | 2332 JumpPatchSite patch_site(masm_); |
2333 patch_site.EmitJumpIfSmi(rax, &smi_case, Label::kNear); | 2333 patch_site.EmitJumpIfSmi(rax, &smi_case, Label::kNear); |
2334 | 2334 |
2335 __ bind(&stub_call); | 2335 __ bind(&stub_call); |
2336 __ movp(rax, rcx); | 2336 __ movp(rax, rcx); |
2337 BinaryOpICStub stub(isolate(), op, mode); | 2337 BinaryOpICStub stub(isolate(), op, mode); |
2338 CallIC(stub.GetCode(isolate()), expr->BinaryOperationFeedbackId()); | 2338 CallIC(stub.GetCode(), expr->BinaryOperationFeedbackId()); |
2339 patch_site.EmitPatchInfo(); | 2339 patch_site.EmitPatchInfo(); |
2340 __ jmp(&done, Label::kNear); | 2340 __ jmp(&done, Label::kNear); |
2341 | 2341 |
2342 __ bind(&smi_case); | 2342 __ bind(&smi_case); |
2343 switch (op) { | 2343 switch (op) { |
2344 case Token::SAR: | 2344 case Token::SAR: |
2345 __ SmiShiftArithmeticRight(rax, rdx, rcx); | 2345 __ SmiShiftArithmeticRight(rax, rdx, rcx); |
2346 break; | 2346 break; |
2347 case Token::SHL: | 2347 case Token::SHL: |
2348 __ SmiShiftLeft(rax, rdx, rcx); | 2348 __ SmiShiftLeft(rax, rdx, rcx); |
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2377 context()->Plug(rax); | 2377 context()->Plug(rax); |
2378 } | 2378 } |
2379 | 2379 |
2380 | 2380 |
2381 void FullCodeGenerator::EmitBinaryOp(BinaryOperation* expr, | 2381 void FullCodeGenerator::EmitBinaryOp(BinaryOperation* expr, |
2382 Token::Value op, | 2382 Token::Value op, |
2383 OverwriteMode mode) { | 2383 OverwriteMode mode) { |
2384 __ Pop(rdx); | 2384 __ Pop(rdx); |
2385 BinaryOpICStub stub(isolate(), op, mode); | 2385 BinaryOpICStub stub(isolate(), op, mode); |
2386 JumpPatchSite patch_site(masm_); // unbound, signals no inlined smi code. | 2386 JumpPatchSite patch_site(masm_); // unbound, signals no inlined smi code. |
2387 CallIC(stub.GetCode(isolate()), expr->BinaryOperationFeedbackId()); | 2387 CallIC(stub.GetCode(), expr->BinaryOperationFeedbackId()); |
2388 patch_site.EmitPatchInfo(); | 2388 patch_site.EmitPatchInfo(); |
2389 context()->Plug(rax); | 2389 context()->Plug(rax); |
2390 } | 2390 } |
2391 | 2391 |
2392 | 2392 |
2393 void FullCodeGenerator::EmitAssignment(Expression* expr) { | 2393 void FullCodeGenerator::EmitAssignment(Expression* expr) { |
2394 ASSERT(expr->IsValidReferenceExpression()); | 2394 ASSERT(expr->IsValidReferenceExpression()); |
2395 | 2395 |
2396 // Left-hand side can only be a property, a global or a (parameter or local) | 2396 // Left-hand side can only be a property, a global or a (parameter or local) |
2397 // slot. | 2397 // slot. |
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2875 StoreFeedbackVectorSlot(expr->AllocationSiteFeedbackSlot(), | 2875 StoreFeedbackVectorSlot(expr->AllocationSiteFeedbackSlot(), |
2876 isolate()->factory()->NewAllocationSite()); | 2876 isolate()->factory()->NewAllocationSite()); |
2877 ASSERT(expr->AllocationSiteFeedbackSlot() == | 2877 ASSERT(expr->AllocationSiteFeedbackSlot() == |
2878 expr->CallNewFeedbackSlot() + 1); | 2878 expr->CallNewFeedbackSlot() + 1); |
2879 } | 2879 } |
2880 | 2880 |
2881 __ Move(rbx, FeedbackVector()); | 2881 __ Move(rbx, FeedbackVector()); |
2882 __ Move(rdx, Smi::FromInt(expr->CallNewFeedbackSlot())); | 2882 __ Move(rdx, Smi::FromInt(expr->CallNewFeedbackSlot())); |
2883 | 2883 |
2884 CallConstructStub stub(isolate(), RECORD_CALL_TARGET); | 2884 CallConstructStub stub(isolate(), RECORD_CALL_TARGET); |
2885 __ Call(stub.GetCode(isolate()), RelocInfo::CONSTRUCT_CALL); | 2885 __ Call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL); |
2886 PrepareForBailoutForId(expr->ReturnId(), TOS_REG); | 2886 PrepareForBailoutForId(expr->ReturnId(), TOS_REG); |
2887 context()->Plug(rax); | 2887 context()->Plug(rax); |
2888 } | 2888 } |
2889 | 2889 |
2890 | 2890 |
2891 void FullCodeGenerator::EmitIsSmi(CallRuntime* expr) { | 2891 void FullCodeGenerator::EmitIsSmi(CallRuntime* expr) { |
2892 ZoneList<Expression*>* args = expr->arguments(); | 2892 ZoneList<Expression*>* args = expr->arguments(); |
2893 ASSERT(args->length() == 1); | 2893 ASSERT(args->length() == 1); |
2894 | 2894 |
2895 VisitForAccumulatorValue(args->at(0)); | 2895 VisitForAccumulatorValue(args->at(0)); |
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4421 } | 4421 } |
4422 | 4422 |
4423 // Record position before stub call. | 4423 // Record position before stub call. |
4424 SetSourcePosition(expr->position()); | 4424 SetSourcePosition(expr->position()); |
4425 | 4425 |
4426 // Call stub for +1/-1. | 4426 // Call stub for +1/-1. |
4427 __ bind(&stub_call); | 4427 __ bind(&stub_call); |
4428 __ movp(rdx, rax); | 4428 __ movp(rdx, rax); |
4429 __ Move(rax, Smi::FromInt(1)); | 4429 __ Move(rax, Smi::FromInt(1)); |
4430 BinaryOpICStub stub(isolate(), expr->binary_op(), NO_OVERWRITE); | 4430 BinaryOpICStub stub(isolate(), expr->binary_op(), NO_OVERWRITE); |
4431 CallIC(stub.GetCode(isolate()), expr->CountBinOpFeedbackId()); | 4431 CallIC(stub.GetCode(), expr->CountBinOpFeedbackId()); |
4432 patch_site.EmitPatchInfo(); | 4432 patch_site.EmitPatchInfo(); |
4433 __ bind(&done); | 4433 __ bind(&done); |
4434 | 4434 |
4435 // Store the value returned in rax. | 4435 // Store the value returned in rax. |
4436 switch (assign_type) { | 4436 switch (assign_type) { |
4437 case VARIABLE: | 4437 case VARIABLE: |
4438 if (expr->is_postfix()) { | 4438 if (expr->is_postfix()) { |
4439 // Perform the assignment as if via '='. | 4439 // Perform the assignment as if via '='. |
4440 { EffectContext context(this); | 4440 { EffectContext context(this); |
4441 EmitVariableAssignment(expr->expression()->AsVariableProxy()->var(), | 4441 EmitVariableAssignment(expr->expression()->AsVariableProxy()->var(), |
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4929 ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), | 4929 ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), |
4930 Assembler::target_address_at(call_target_address, | 4930 Assembler::target_address_at(call_target_address, |
4931 unoptimized_code)); | 4931 unoptimized_code)); |
4932 return OSR_AFTER_STACK_CHECK; | 4932 return OSR_AFTER_STACK_CHECK; |
4933 } | 4933 } |
4934 | 4934 |
4935 | 4935 |
4936 } } // namespace v8::internal | 4936 } } // namespace v8::internal |
4937 | 4937 |
4938 #endif // V8_TARGET_ARCH_X64 | 4938 #endif // V8_TARGET_ARCH_X64 |
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