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Side by Side Diff: src/compiler/arm64/code-generator-arm64.cc

Issue 2021323003: [wasm] remove faux code objects Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 6 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 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 #include "src/compiler/code-generator.h" 5 #include "src/compiler/code-generator.h"
6 6
7 #include "src/arm64/frames-arm64.h" 7 #include "src/arm64/frames-arm64.h"
8 #include "src/arm64/macro-assembler-arm64.h" 8 #include "src/arm64/macro-assembler-arm64.h"
9 #include "src/ast/scopes.h" 9 #include "src/ast/scopes.h"
10 #include "src/compiler/code-generator-impl.h" 10 #include "src/compiler/code-generator-impl.h"
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569 // Assembles an instruction after register allocation, producing machine code. 569 // Assembles an instruction after register allocation, producing machine code.
570 CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction( 570 CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
571 Instruction* instr) { 571 Instruction* instr) {
572 Arm64OperandConverter i(this, instr); 572 Arm64OperandConverter i(this, instr);
573 InstructionCode opcode = instr->opcode(); 573 InstructionCode opcode = instr->opcode();
574 ArchOpcode arch_opcode = ArchOpcodeField::decode(opcode); 574 ArchOpcode arch_opcode = ArchOpcodeField::decode(opcode);
575 switch (arch_opcode) { 575 switch (arch_opcode) {
576 case kArchCallCodeObject: { 576 case kArchCallCodeObject: {
577 EnsureSpaceForLazyDeopt(); 577 EnsureSpaceForLazyDeopt();
578 if (instr->InputAt(0)->IsImmediate()) { 578 if (instr->InputAt(0)->IsImmediate()) {
579 __ Call(Handle<Code>::cast(i.InputHeapObject(0)), 579 Constant callee_operand = i.ToConstant(instr->InputAt(0));
580 RelocInfo::CODE_TARGET); 580 if (callee_operand.type() == Constant::Type::kInt32) {
581 __ Call(reinterpret_cast<Address>(callee_operand.ToInt32()),
582 RelocInfo::WASM_DIRECT_CALL);
583 } else {
584 __ Call(Handle<Code>::cast(i.InputHeapObject(0)),
585 RelocInfo::CODE_TARGET);
586 }
581 } else { 587 } else {
582 Register target = i.InputRegister(0); 588 Register target = i.InputRegister(0);
583 __ Add(target, target, Code::kHeaderSize - kHeapObjectTag); 589 __ Add(target, target, Code::kHeaderSize - kHeapObjectTag);
584 __ Call(target); 590 __ Call(target);
585 } 591 }
586 RecordCallPosition(instr); 592 RecordCallPosition(instr);
587 // TODO(titzer): this is ugly. JSSP should be a caller-save register 593 // TODO(titzer): this is ugly. JSSP should be a caller-save register
588 // in this case, but it is not possible to express in the register 594 // in this case, but it is not possible to express in the register
589 // allocator. 595 // allocator.
590 CallDescriptor::Flags flags(MiscField::decode(opcode)); 596 CallDescriptor::Flags flags(MiscField::decode(opcode));
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1905 padding_size -= kInstructionSize; 1911 padding_size -= kInstructionSize;
1906 } 1912 }
1907 } 1913 }
1908 } 1914 }
1909 1915
1910 #undef __ 1916 #undef __
1911 1917
1912 } // namespace compiler 1918 } // namespace compiler
1913 } // namespace internal 1919 } // namespace internal
1914 } // namespace v8 1920 } // namespace v8
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