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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#ifndef jit_x86_LIR_x86_h
#define jit_x86_LIR_x86_h
namespace js {
namespace jit {
class LUnbox : public LInstructionHelper<1, 2, 0> {
public:
LIR_HEADER(Unbox);
LUnbox() : LInstructionHelper(classOpcode) {}
MUnbox* mir() const { return mir_->toUnbox(); }
const LAllocation* payload() { return getOperand(0); }
const LAllocation* type() { return getOperand(1); }
const char* extraName() const { return StringFromMIRType(mir()->type()); }
};
class LDivOrModI64
: public LCallInstructionHelper<INT64_PIECES, INT64_PIECES * 2 + 1, 0> {
public:
LIR_HEADER(DivOrModI64)
static const size_t Lhs = 0;
static const size_t Rhs = INT64_PIECES;
static const size_t Instance = 2 * INT64_PIECES;
LDivOrModI64(const LInt64Allocation& lhs, const LInt64Allocation& rhs,
const LAllocation& instance)
: LCallInstructionHelper(classOpcode) {
setInt64Operand(Lhs, lhs);
setInt64Operand(Rhs, rhs);
setOperand(Instance, instance);
}
LInt64Allocation lhs() const { return getInt64Operand(Lhs); }
LInt64Allocation rhs() const { return getInt64Operand(Rhs); }
const LAllocation* instance() const { return getOperand(Instance); }
MDefinition* mir() const {
MOZ_ASSERT(mir_->isWasmBuiltinDivI64() || mir_->isWasmBuiltinModI64());
return mir_;
}
bool canBeDivideByZero() const {
if (mir_->isWasmBuiltinModI64()) {
return mir_->toWasmBuiltinModI64()->canBeDivideByZero();
}
return mir_->toWasmBuiltinDivI64()->canBeDivideByZero();
}
bool canBeNegativeOverflow() const {
if (mir_->isWasmBuiltinModI64()) {
return mir_->toWasmBuiltinModI64()->canBeNegativeDividend();
}
return mir_->toWasmBuiltinDivI64()->canBeNegativeOverflow();
}
const wasm::TrapSiteDesc& trapSiteDesc() const {
MOZ_ASSERT(mir_->isWasmBuiltinDivI64() || mir_->isWasmBuiltinModI64());
if (mir_->isWasmBuiltinModI64()) {
return mir_->toWasmBuiltinModI64()->trapSiteDesc();
}
return mir_->toWasmBuiltinDivI64()->trapSiteDesc();
}
};
class LUDivOrModI64
: public LCallInstructionHelper<INT64_PIECES, INT64_PIECES * 2 + 1, 0> {
public:
LIR_HEADER(UDivOrModI64)
static const size_t Lhs = 0;
static const size_t Rhs = INT64_PIECES;
static const size_t Instance = 2 * INT64_PIECES;
LUDivOrModI64(const LInt64Allocation& lhs, const LInt64Allocation& rhs,
const LAllocation& instance)
: LCallInstructionHelper(classOpcode) {
setInt64Operand(Lhs, lhs);
setInt64Operand(Rhs, rhs);
setOperand(Instance, instance);
}
LInt64Allocation lhs() const { return getInt64Operand(Lhs); }
LInt64Allocation rhs() const { return getInt64Operand(Rhs); }
const LAllocation* instance() const { return getOperand(Instance); }
MDefinition* mir() const {
MOZ_ASSERT(mir_->isWasmBuiltinDivI64() || mir_->isWasmBuiltinModI64());
return mir_;
}
bool canBeDivideByZero() const {
if (mir_->isWasmBuiltinModI64()) {
return mir_->toWasmBuiltinModI64()->canBeDivideByZero();
}
return mir_->toWasmBuiltinDivI64()->canBeDivideByZero();
}
bool canBeNegativeOverflow() const {
if (mir_->isWasmBuiltinModI64()) {
return mir_->toWasmBuiltinModI64()->canBeNegativeDividend();
}
return mir_->toWasmBuiltinDivI64()->canBeNegativeOverflow();
}
const wasm::TrapSiteDesc& trapSiteDesc() const {
MOZ_ASSERT(mir_->isWasmBuiltinDivI64() || mir_->isWasmBuiltinModI64());
if (mir_->isWasmBuiltinModI64()) {
return mir_->toWasmBuiltinModI64()->trapSiteDesc();
}
return mir_->toWasmBuiltinDivI64()->trapSiteDesc();
}
};
// Definitions for `extraName` methods of generated LIR instructions.
#ifdef JS_JITSPEW
const char* LBoxFloatingPoint::extraName() const {
return StringFromMIRType(type_);
}
#endif
} // namespace jit
} // namespace js
#endif /* jit_x86_LIR_x86_h */