/* 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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#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 */
