| //===- subzero/src/IceTargetLoweringX8664.h - lowering for x86-64 -*- C++ -*-=// |
| // |
| // The Subzero Code Generator |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| /// |
| /// \file |
| /// \brief Declares the TargetLoweringX8664 class, which implements the |
| /// TargetLowering interface for the X86 64-bit architecture. |
| /// |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef SUBZERO_SRC_ICETARGETLOWERINGX8664_H |
| #define SUBZERO_SRC_ICETARGETLOWERINGX8664_H |
| |
| #include "IceAssemblerX8664.h" |
| #include "IceCfg.h" |
| #include "IceGlobalContext.h" |
| #include "IceInstX8664.h" |
| #include "IceTargetLowering.h" |
| #define X86NAMESPACE X8664 |
| #include "IceTargetLoweringX86Base.h" |
| #undef X86NAMESPACE |
| #include "IceTargetLoweringX8664Traits.h" |
| |
| namespace Ice { |
| namespace X8664 { |
| |
| class TargetX8664 final : public X8664::TargetX86Base<X8664::Traits> { |
| TargetX8664() = delete; |
| TargetX8664(const TargetX8664 &) = delete; |
| TargetX8664 &operator=(const TargetX8664 &) = delete; |
| |
| public: |
| ~TargetX8664() = default; |
| |
| static std::unique_ptr<::Ice::TargetLowering> create(Cfg *Func) { |
| return makeUnique<TargetX8664>(Func); |
| } |
| |
| std::unique_ptr<::Ice::Assembler> createAssembler() const override { |
| return makeUnique<X8664::AssemblerX8664>(); |
| } |
| |
| protected: |
| void _add_sp(Operand *Adjustment); |
| void _mov_sp(Operand *NewValue); |
| void _sub_sp(Operand *Adjustment); |
| void _link_bp(); |
| void _unlink_bp(); |
| void _push_reg(RegNumT RegNum); |
| void _pop_reg(RegNumT RegNum); |
| |
| void emitStackProbe(size_t StackSizeBytes); |
| void lowerIndirectJump(Variable *JumpTarget); |
| Inst *emitCallToTarget(Operand *CallTarget, Variable *ReturnReg, |
| size_t NumVariadicFpArgs = 0) override; |
| Variable *moveReturnValueToRegister(Operand *Value, Type ReturnType) override; |
| |
| private: |
| ENABLE_MAKE_UNIQUE; |
| friend class X8664::TargetX86Base<X8664::Traits>; |
| |
| explicit TargetX8664(Cfg *Func) : TargetX86Base(Func) {} |
| }; |
| |
| // The -Wundefined-var-template warning requires to forward-declare static |
| // members of template class specializations. Note that "An explicit |
| // specialization of a static data member of a template is a definition if the |
| // declaration includes an initializer; otherwise, it is a declaration." |
| // Visual Studio has a bug which treats these declarations as definitions, |
| // leading to multiple definition errors. Since we only enable |
| // -Wundefined-var-template for Clang, omit these declarations on other |
| // compilers. |
| #if defined(__clang__) |
| template <> |
| std::array<SmallBitVector, RCX86_NUM> |
| TargetX86Base<X8664::Traits>::TypeToRegisterSet; |
| |
| template <> |
| std::array<SmallBitVector, RCX86_NUM> |
| TargetX86Base<X8664::Traits>::TypeToRegisterSetUnfiltered; |
| |
| template <> |
| std::array<SmallBitVector, |
| TargetX86Base<X8664::Traits>::Traits::RegisterSet::Reg_NUM> |
| TargetX86Base<X8664::Traits>::RegisterAliases; |
| #endif |
| |
| } // end of namespace X8664 |
| } // end of namespace Ice |
| |
| #endif // SUBZERO_SRC_ICETARGETLOWERINGX8664_H |