diff options
Diffstat (limited to 'js/src/jit/mips32/LIR-mips32.h')
-rw-r--r-- | js/src/jit/mips32/LIR-mips32.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/js/src/jit/mips32/LIR-mips32.h b/js/src/jit/mips32/LIR-mips32.h new file mode 100644 index 000000000..8c0fa9a95 --- /dev/null +++ b/js/src/jit/mips32/LIR-mips32.h @@ -0,0 +1,169 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- + * vim: set ts=8 sts=4 et sw=4 tw=99: + * 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_mips32_LIR_mips32_h +#define jit_mips32_LIR_mips32_h + +namespace js { +namespace jit { + +class LBoxFloatingPoint : public LInstructionHelper<2, 1, 1> +{ + MIRType type_; + + public: + LIR_HEADER(BoxFloatingPoint); + + LBoxFloatingPoint(const LAllocation& in, const LDefinition& temp, MIRType type) + : type_(type) + { + setOperand(0, in); + setTemp(0, temp); + } + + MIRType type() const { + return type_; + } + const char* extraName() const { + return StringFromMIRType(type_); + } +}; + +class LUnbox : public LInstructionHelper<1, 2, 0> +{ + public: + LIR_HEADER(Unbox); + + 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 LUnboxFloatingPoint : public LInstructionHelper<1, 2, 0> +{ + MIRType type_; + + public: + LIR_HEADER(UnboxFloatingPoint); + + static const size_t Input = 0; + + LUnboxFloatingPoint(const LBoxAllocation& input, MIRType type) + : type_(type) + { + setBoxOperand(Input, input); + } + + MUnbox* mir() const { + return mir_->toUnbox(); + } + + MIRType type() const { + return type_; + } + const char* extraName() const { + return StringFromMIRType(type_); + } +}; + +class LDivOrModI64 : public LCallInstructionHelper<INT64_PIECES, INT64_PIECES*2, 0> +{ + public: + LIR_HEADER(DivOrModI64) + + static const size_t Lhs = 0; + static const size_t Rhs = INT64_PIECES; + + LDivOrModI64(const LInt64Allocation& lhs, const LInt64Allocation& rhs) + { + setInt64Operand(Lhs, lhs); + setInt64Operand(Rhs, rhs); + } + MBinaryArithInstruction* mir() const { + MOZ_ASSERT(mir_->isDiv() || mir_->isMod()); + return static_cast<MBinaryArithInstruction*>(mir_); + } + bool canBeDivideByZero() const { + if (mir_->isMod()) + return mir_->toMod()->canBeDivideByZero(); + return mir_->toDiv()->canBeDivideByZero(); + } + bool canBeNegativeOverflow() const { + if (mir_->isMod()) + return mir_->toMod()->canBeNegativeDividend(); + return mir_->toDiv()->canBeNegativeOverflow(); + } + wasm::TrapOffset trapOffset() const { + MOZ_ASSERT(mir_->isDiv() || mir_->isMod()); + if (mir_->isMod()) + return mir_->toMod()->trapOffset(); + return mir_->toDiv()->trapOffset(); + } +}; + +class LUDivOrModI64 : public LCallInstructionHelper<INT64_PIECES, INT64_PIECES*2, 0> +{ + public: + LIR_HEADER(UDivOrModI64) + + static const size_t Lhs = 0; + static const size_t Rhs = INT64_PIECES; + + LUDivOrModI64(const LInt64Allocation& lhs, const LInt64Allocation& rhs) + { + setInt64Operand(Lhs, lhs); + setInt64Operand(Rhs, rhs); + } + MBinaryArithInstruction* mir() const { + MOZ_ASSERT(mir_->isDiv() || mir_->isMod()); + return static_cast<MBinaryArithInstruction*>(mir_); + } + bool canBeDivideByZero() const { + if (mir_->isMod()) + return mir_->toMod()->canBeDivideByZero(); + return mir_->toDiv()->canBeDivideByZero(); + } + bool canBeNegativeOverflow() const { + if (mir_->isMod()) + return mir_->toMod()->canBeNegativeDividend(); + return mir_->toDiv()->canBeNegativeOverflow(); + } + wasm::TrapOffset trapOffset() const { + MOZ_ASSERT(mir_->isDiv() || mir_->isMod()); + if (mir_->isMod()) + return mir_->toMod()->trapOffset(); + return mir_->toDiv()->trapOffset(); + } +}; + +class LWasmTruncateToInt64 : public LCallInstructionHelper<INT64_PIECES, 1, 0> +{ + public: + LIR_HEADER(WasmTruncateToInt64); + + explicit LWasmTruncateToInt64(const LAllocation& in) + { + setOperand(0, in); + } + + MWasmTruncateToInt64* mir() const { + return mir_->toWasmTruncateToInt64(); + } +}; + +} // namespace jit +} // namespace js + +#endif /* jit_mips32_LIR_mips32_h */ |