15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright 2013 the V8 project authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef V8_COMPILER_CODE_GENERATOR_IMPL_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define V8_COMPILER_CODE_GENERATOR_IMPL_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 8b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)#include "src/compiler/code-generator.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "src/compiler/common-operator.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "src/compiler/generic-graph.h" 11b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)#include "src/compiler/instruction.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "src/compiler/linkage.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "src/compiler/machine-operator.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "src/compiler/node.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "src/compiler/opcodes.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "src/compiler/operator.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace v8 { 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace internal { 202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)namespace compiler { 212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)// Converts InstructionOperands from a given instruction to 23b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)// architecture-specific 24b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)// registers and operands after they have been assigned by the register 25c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)// allocator. 26c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles)class InstructionOperandConverter { 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) InstructionOperandConverter(CodeGenerator* gen, Instruction* instr) 292a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) : gen_(gen), instr_(instr) {} 302a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Register InputRegister(int index) { 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ToRegister(instr_->InputAt(index)); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DoubleRegister InputDoubleRegister(int index) { 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ToDoubleRegister(instr_->InputAt(index)); 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 392a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) double InputDouble(int index) { return ToDouble(instr_->InputAt(index)); } 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int32_t InputInt32(int index) { 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ToConstant(instr_->InputAt(index)).ToInt32(); 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int8_t InputInt8(int index) { return static_cast<int8_t>(InputInt32(index)); } 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int16_t InputInt16(int index) { 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return static_cast<int16_t>(InputInt32(index)); 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 512a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) uint8_t InputInt5(int index) { 522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return static_cast<uint8_t>(InputInt32(index) & 0x1F); 532a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) uint8_t InputInt6(int index) { 562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) return static_cast<uint8_t>(InputInt32(index) & 0x3F); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Handle<HeapObject> InputHeapObject(int index) { 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return ToHeapObject(instr_->InputAt(index)); 612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Label* InputLabel(int index) { 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return gen_->code()->GetLabel(InputBlock(index)); 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 67c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) BasicBlock* InputBlock(int index) { 68c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) NodeId block_id = static_cast<NodeId>(InputInt32(index)); 692a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // operand should be a block id. 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(block_id >= 0); 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(block_id < gen_->schedule()->BasicBlockCount()); 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return gen_->schedule()->GetBlockById(block_id); 73c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 74c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 75c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) Register OutputRegister(int index = 0) { 76c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return ToRegister(instr_->OutputAt(index)); 77c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) } 78c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) 79c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) DoubleRegister OutputDoubleRegister() { 80c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return ToDoubleRegister(instr_->Output()); 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Register TempRegister(int index) { return ToRegister(instr_->TempAt(index)); } 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Register ToRegister(InstructionOperand* op) { 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(op->IsRegister()); 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return Register::FromAllocationIndex(op->index()); 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DoubleRegister ToDoubleRegister(InstructionOperand* op) { 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(op->IsDoubleRegister()); 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return DoubleRegister::FromAllocationIndex(op->index()); 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Constant ToConstant(InstructionOperand* operand) { 96c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) if (operand->IsImmediate()) { 97c2e0dbddbe15c98d52c4786dac06cb8952a8ae6dTorne (Richard Coles) return gen_->code()->GetImmediate(operand->index()); 982a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return gen_->code()->GetConstant(operand->index()); 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 101b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 102b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) double ToDouble(InstructionOperand* operand) { 103b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) return ToConstant(operand).ToFloat64(); 104b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) } 105b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 106b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) Handle<HeapObject> ToHeapObject(InstructionOperand* operand) { 107b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) return ToConstant(operand).ToHeapObject(); 108b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) } 109b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 110b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) Frame* frame() const { return gen_->frame(); } 111b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) Isolate* isolate() const { return gen_->isolate(); } 112b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) Linkage* linkage() const { return gen_->linkage(); } 113b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 114b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) protected: 115b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) CodeGenerator* gen_; 116b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) Instruction* instr_; 117b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)}; 118b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 119b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 120b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)// TODO(dcarney): generify this on bleeding_edge and replace this call 121b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)// when merged. 122b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)static inline void FinishCode(MacroAssembler* masm) { 123b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)#if V8_TARGET_ARCH_ARM64 || V8_TARGET_ARCH_ARM 124b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) masm->CheckConstPool(true, false); 125b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)#endif 126b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)} 127b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 128b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)} // namespace compiler 129b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)} // namespace internal 130b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)} // namespace v8 131b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles) 132b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)#endif // V8_COMPILER_CODE_GENERATOR_IMPL_H 133b2df76ea8fec9e32f6f3718986dba0d95315b29cTorne (Richard Coles)