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Issue 1711863002: [es6] Fixed POSSIBLY_EVAL_CALL tail calls handling in Full codegen. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 10 months ago
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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 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #if V8_TARGET_ARCH_MIPS64 5 #if V8_TARGET_ARCH_MIPS64
6 6
7 // Note on Mips implementation: 7 // Note on Mips implementation:
8 // 8 //
9 // The result_register() for mips is the 'v0' register, which is defined 9 // The result_register() for mips is the 'v0' register, which is defined
10 // by the ABI to contain function return values. However, the first 10 // by the ABI to contain function return values. However, the first
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2847 EmitResolvePossiblyDirectEval(arg_count); 2847 EmitResolvePossiblyDirectEval(arg_count);
2848 2848
2849 // Touch up the stack with the resolved function. 2849 // Touch up the stack with the resolved function.
2850 __ sd(v0, MemOperand(sp, (arg_count + 1) * kPointerSize)); 2850 __ sd(v0, MemOperand(sp, (arg_count + 1) * kPointerSize));
2851 2851
2852 PrepareForBailoutForId(expr->EvalId(), NO_REGISTERS); 2852 PrepareForBailoutForId(expr->EvalId(), NO_REGISTERS);
2853 // Record source position for debugger. 2853 // Record source position for debugger.
2854 SetCallPosition(expr); 2854 SetCallPosition(expr);
2855 __ ld(a1, MemOperand(sp, (arg_count + 1) * kPointerSize)); 2855 __ ld(a1, MemOperand(sp, (arg_count + 1) * kPointerSize));
2856 __ li(a0, Operand(arg_count)); 2856 __ li(a0, Operand(arg_count));
2857 __ Call(isolate()->builtins()->Call(), RelocInfo::CODE_TARGET); 2857 __ Call(isolate()->builtins()->Call(ConvertReceiverMode::kAny,
2858 expr->tail_call_mode()),
2859 RelocInfo::CODE_TARGET);
2858 RecordJSReturnSite(expr); 2860 RecordJSReturnSite(expr);
2859 // Restore context register. 2861 // Restore context register.
2860 __ ld(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); 2862 __ ld(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
2861 context()->DropAndPlug(1, v0); 2863 context()->DropAndPlug(1, v0);
2862 } 2864 }
2863 2865
2864 2866
2865 void FullCodeGenerator::VisitCallNew(CallNew* expr) { 2867 void FullCodeGenerator::VisitCallNew(CallNew* expr) {
2866 Comment cmnt(masm_, "[ CallNew"); 2868 Comment cmnt(masm_, "[ CallNew");
2867 // According to ECMA-262, section 11.2.2, page 44, the function 2869 // According to ECMA-262, section 11.2.2, page 44, the function
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4513 reinterpret_cast<uint64_t>( 4515 reinterpret_cast<uint64_t>(
4514 isolate->builtins()->OsrAfterStackCheck()->entry())); 4516 isolate->builtins()->OsrAfterStackCheck()->entry()));
4515 return OSR_AFTER_STACK_CHECK; 4517 return OSR_AFTER_STACK_CHECK;
4516 } 4518 }
4517 4519
4518 4520
4519 } // namespace internal 4521 } // namespace internal
4520 } // namespace v8 4522 } // namespace v8
4521 4523
4522 #endif // V8_TARGET_ARCH_MIPS64 4524 #endif // V8_TARGET_ARCH_MIPS64
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