409 lines
9.4 KiB
C++
409 lines
9.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sts=4 et sw=4 tw=99:
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef jit_mips_shared_LIR_mips_shared_h
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#define jit_mips_shared_LIR_mips_shared_h
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namespace js {
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namespace jit {
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// Convert a 32-bit unsigned integer to a double.
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class LWasmUint32ToDouble : public LInstructionHelper<1, 1, 0>
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{
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public:
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LIR_HEADER(WasmUint32ToDouble)
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LWasmUint32ToDouble(const LAllocation& input) {
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setOperand(0, input);
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}
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};
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// Convert a 32-bit unsigned integer to a float32.
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class LWasmUint32ToFloat32 : public LInstructionHelper<1, 1, 0>
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{
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public:
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LIR_HEADER(WasmUint32ToFloat32)
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LWasmUint32ToFloat32(const LAllocation& input) {
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setOperand(0, input);
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}
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};
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class LDivI : public LBinaryMath<1>
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{
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public:
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LIR_HEADER(DivI);
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LDivI(const LAllocation& lhs, const LAllocation& rhs,
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const LDefinition& temp) {
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setOperand(0, lhs);
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setOperand(1, rhs);
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setTemp(0, temp);
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}
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MDiv* mir() const {
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return mir_->toDiv();
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}
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};
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class LDivPowTwoI : public LInstructionHelper<1, 1, 1>
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{
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const int32_t shift_;
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public:
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LIR_HEADER(DivPowTwoI)
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LDivPowTwoI(const LAllocation& lhs, int32_t shift, const LDefinition& temp)
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: shift_(shift)
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{
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setOperand(0, lhs);
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setTemp(0, temp);
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}
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const LAllocation* numerator() {
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return getOperand(0);
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}
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int32_t shift() {
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return shift_;
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}
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MDiv* mir() const {
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return mir_->toDiv();
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}
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};
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class LModI : public LBinaryMath<1>
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{
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public:
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LIR_HEADER(ModI);
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LModI(const LAllocation& lhs, const LAllocation& rhs,
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const LDefinition& callTemp)
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{
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setOperand(0, lhs);
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setOperand(1, rhs);
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setTemp(0, callTemp);
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}
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const LDefinition* callTemp() {
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return getTemp(0);
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}
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MMod* mir() const {
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return mir_->toMod();
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}
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};
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class LModPowTwoI : public LInstructionHelper<1, 1, 0>
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{
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const int32_t shift_;
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public:
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LIR_HEADER(ModPowTwoI);
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int32_t shift()
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{
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return shift_;
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}
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LModPowTwoI(const LAllocation& lhs, int32_t shift)
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: shift_(shift)
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{
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setOperand(0, lhs);
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}
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MMod* mir() const {
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return mir_->toMod();
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}
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};
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class LModMaskI : public LInstructionHelper<1, 1, 2>
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{
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const int32_t shift_;
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public:
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LIR_HEADER(ModMaskI);
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LModMaskI(const LAllocation& lhs, const LDefinition& temp0, const LDefinition& temp1,
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int32_t shift)
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: shift_(shift)
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{
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setOperand(0, lhs);
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setTemp(0, temp0);
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setTemp(1, temp1);
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}
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int32_t shift() const {
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return shift_;
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}
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MMod* mir() const {
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return mir_->toMod();
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}
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};
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// Takes a tableswitch with an integer to decide
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class LTableSwitch : public LInstructionHelper<0, 1, 2>
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{
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public:
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LIR_HEADER(TableSwitch);
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LTableSwitch(const LAllocation& in, const LDefinition& inputCopy,
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const LDefinition& jumpTablePointer, MTableSwitch* ins) {
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setOperand(0, in);
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setTemp(0, inputCopy);
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setTemp(1, jumpTablePointer);
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setMir(ins);
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}
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MTableSwitch* mir() const {
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return mir_->toTableSwitch();
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}
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const LAllocation* index() {
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return getOperand(0);
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}
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const LDefinition* tempInt() {
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return getTemp(0);
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}
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// This is added to share the same CodeGenerator prefixes.
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const LDefinition* tempPointer() {
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return getTemp(1);
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}
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};
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// Takes a tableswitch with an integer to decide
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class LTableSwitchV : public LInstructionHelper<0, BOX_PIECES, 3>
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{
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public:
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LIR_HEADER(TableSwitchV);
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LTableSwitchV(const LBoxAllocation& input, const LDefinition& inputCopy,
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const LDefinition& floatCopy, const LDefinition& jumpTablePointer,
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MTableSwitch* ins)
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{
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setBoxOperand(InputValue, input);
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setTemp(0, inputCopy);
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setTemp(1, floatCopy);
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setTemp(2, jumpTablePointer);
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setMir(ins);
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}
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MTableSwitch* mir() const {
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return mir_->toTableSwitch();
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}
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static const size_t InputValue = 0;
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const LDefinition* tempInt() {
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return getTemp(0);
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}
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const LDefinition* tempFloat() {
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return getTemp(1);
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}
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const LDefinition* tempPointer() {
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return getTemp(2);
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}
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};
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class LGuardShape : public LInstructionHelper<0, 1, 1>
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{
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public:
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LIR_HEADER(GuardShape);
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LGuardShape(const LAllocation& in, const LDefinition& temp) {
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setOperand(0, in);
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setTemp(0, temp);
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}
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const MGuardShape* mir() const {
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return mir_->toGuardShape();
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}
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const LDefinition* tempInt() {
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return getTemp(0);
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}
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};
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class LGuardObjectGroup : public LInstructionHelper<0, 1, 1>
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{
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public:
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LIR_HEADER(GuardObjectGroup);
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LGuardObjectGroup(const LAllocation& in, const LDefinition& temp) {
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setOperand(0, in);
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setTemp(0, temp);
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}
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const MGuardObjectGroup* mir() const {
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return mir_->toGuardObjectGroup();
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}
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const LDefinition* tempInt() {
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return getTemp(0);
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}
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};
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class LMulI : public LBinaryMath<0>
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{
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public:
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LIR_HEADER(MulI);
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MMul* mir() {
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return mir_->toMul();
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}
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};
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class LUDivOrMod : public LBinaryMath<0>
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{
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public:
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LIR_HEADER(UDivOrMod);
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MBinaryArithInstruction* mir() const {
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MOZ_ASSERT(mir_->isDiv() || mir_->isMod());
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return static_cast<MBinaryArithInstruction*>(mir_);
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}
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bool canBeDivideByZero() const {
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if (mir_->isMod())
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return mir_->toMod()->canBeDivideByZero();
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return mir_->toDiv()->canBeDivideByZero();
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}
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bool trapOnError() const {
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if (mir_->isMod())
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return mir_->toMod()->trapOnError();
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return mir_->toDiv()->trapOnError();
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}
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wasm::TrapOffset trapOffset() const {
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MOZ_ASSERT(mir_->isDiv() || mir_->isMod());
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if (mir_->isMod())
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return mir_->toMod()->trapOffset();
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return mir_->toDiv()->trapOffset();
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}
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};
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class LInt64ToFloatingPoint : public LInstructionHelper<1, INT64_PIECES, 0>
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{
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public:
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LIR_HEADER(Int64ToFloatingPoint);
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explicit LInt64ToFloatingPoint(const LInt64Allocation& in) {
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setInt64Operand(0, in);
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}
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MInt64ToFloatingPoint* mir() const {
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return mir_->toInt64ToFloatingPoint();
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}
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};
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namespace details {
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// Base class for the int64 and non-int64 variants.
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template<size_t NumDefs>
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class LWasmUnalignedLoadBase : public details::LWasmLoadBase<NumDefs, 2>
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{
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public:
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typedef LWasmLoadBase<NumDefs, 2> Base;
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explicit LWasmUnalignedLoadBase(const LAllocation& ptr, const LDefinition& valueHelper)
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: Base(ptr)
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{
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Base::setTemp(0, LDefinition::BogusTemp());
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Base::setTemp(1, valueHelper);
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}
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const LAllocation* ptr() {
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return Base::getOperand(0);
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}
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const LDefinition* ptrCopy() {
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return Base::getTemp(0);
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}
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};
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} // namespace details
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class LWasmUnalignedLoad : public details::LWasmUnalignedLoadBase<1>
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{
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public:
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explicit LWasmUnalignedLoad(const LAllocation& ptr, const LDefinition& valueHelper)
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: LWasmUnalignedLoadBase(ptr, valueHelper)
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{}
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LIR_HEADER(WasmUnalignedLoad);
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};
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class LWasmUnalignedLoadI64 : public details::LWasmUnalignedLoadBase<INT64_PIECES>
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{
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public:
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explicit LWasmUnalignedLoadI64(const LAllocation& ptr, const LDefinition& valueHelper)
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: LWasmUnalignedLoadBase(ptr, valueHelper)
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{}
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LIR_HEADER(WasmUnalignedLoadI64);
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};
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namespace details {
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// Base class for the int64 and non-int64 variants.
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template<size_t NumOps>
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class LWasmUnalignedStoreBase : public LInstructionHelper<0, NumOps, 2>
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{
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public:
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typedef LInstructionHelper<0, NumOps, 2> Base;
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static const size_t PtrIndex = 0;
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static const size_t ValueIndex = 1;
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LWasmUnalignedStoreBase(const LAllocation& ptr, const LDefinition& valueHelper)
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{
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Base::setOperand(0, ptr);
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Base::setTemp(0, LDefinition::BogusTemp());
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Base::setTemp(1, valueHelper);
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}
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MWasmStore* mir() const {
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return Base::mir_->toWasmStore();
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}
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const LAllocation* ptr() {
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return Base::getOperand(PtrIndex);
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}
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const LDefinition* ptrCopy() {
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return Base::getTemp(0);
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}
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};
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} // namespace details
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class LWasmUnalignedStore : public details::LWasmUnalignedStoreBase<2>
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{
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public:
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LIR_HEADER(WasmUnalignedStore);
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LWasmUnalignedStore(const LAllocation& ptr, const LAllocation& value,
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const LDefinition& valueHelper)
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: LWasmUnalignedStoreBase(ptr, valueHelper)
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{
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setOperand(1, value);
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}
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const LAllocation* value() {
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return Base::getOperand(ValueIndex);
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}
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};
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class LWasmUnalignedStoreI64 : public details::LWasmUnalignedStoreBase<1 + INT64_PIECES>
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{
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public:
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LIR_HEADER(WasmUnalignedStoreI64);
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LWasmUnalignedStoreI64(const LAllocation& ptr, const LInt64Allocation& value,
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const LDefinition& valueHelper)
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: LWasmUnalignedStoreBase(ptr, valueHelper)
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{
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setInt64Operand(1, value);
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}
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const LInt64Allocation value() {
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return getInt64Operand(ValueIndex);
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}
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};
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} // namespace jit
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} // namespace js
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#endif /* jit_mips_shared_LIR_mips_shared_h */
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