95 lines
2.3 KiB
C++
95 lines
2.3 KiB
C++
// This file is part of AsmJit project <https://asmjit.com>
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//
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// See asmjit.h or LICENSE.md for license and copyright information
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// SPDX-License-Identifier: Zlib
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#ifndef ASMJIT_X86_X86RAPASS_P_H_INCLUDED
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#define ASMJIT_X86_X86RAPASS_P_H_INCLUDED
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#include "../core/api-config.h"
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#ifndef ASMJIT_NO_COMPILER
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#include "../core/compiler.h"
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#include "../core/rabuilders_p.h"
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#include "../core/rapass_p.h"
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#include "../x86/x86assembler.h"
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#include "../x86/x86compiler.h"
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#include "../x86/x86emithelper_p.h"
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ASMJIT_BEGIN_SUB_NAMESPACE(x86)
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//! \cond INTERNAL
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//! \addtogroup asmjit_x86
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//! \{
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//! X86 register allocation pass.
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//!
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//! Takes care of generating function prologs and epilogs, and also performs register allocation.
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class X86RAPass : public BaseRAPass {
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public:
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ASMJIT_NONCOPYABLE(X86RAPass)
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typedef BaseRAPass Base;
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EmitHelper _emitHelper;
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//! \name Construction & Destruction
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//! \{
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X86RAPass() noexcept;
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virtual ~X86RAPass() noexcept;
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//! \}
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//! \name Accessors
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//! \{
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//! Returns the compiler casted to `x86::Compiler`.
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inline Compiler* cc() const noexcept { return static_cast<Compiler*>(_cb); }
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//! Returns emit helper.
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inline EmitHelper* emitHelper() noexcept { return &_emitHelper; }
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inline bool avxEnabled() const noexcept { return _emitHelper._avxEnabled; }
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inline bool avx512Enabled() const noexcept { return _emitHelper._avx512Enabled; }
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//! \}
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//! \name Utilities
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//! \{
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inline uint32_t choose(uint32_t sseInstId, uint32_t avxInstId) noexcept {
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return avxEnabled() ? avxInstId : sseInstId;
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}
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//! \}
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//! \name Interface
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//! \{
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void onInit() noexcept override;
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void onDone() noexcept override;
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Error buildCFG() noexcept override;
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Error _rewrite(BaseNode* first, BaseNode* stop) noexcept override;
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Error emitMove(uint32_t workId, uint32_t dstPhysId, uint32_t srcPhysId) noexcept override;
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Error emitSwap(uint32_t aWorkId, uint32_t aPhysId, uint32_t bWorkId, uint32_t bPhysId) noexcept override;
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Error emitLoad(uint32_t workId, uint32_t dstPhysId) noexcept override;
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Error emitSave(uint32_t workId, uint32_t srcPhysId) noexcept override;
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Error emitJump(const Label& label) noexcept override;
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Error emitPreCall(InvokeNode* invokeNode) noexcept override;
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//! \}
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};
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//! \}
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//! \endcond
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ASMJIT_END_SUB_NAMESPACE
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#endif // !ASMJIT_NO_COMPILER
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#endif // ASMJIT_X86_X86RAPASS_P_H_INCLUDED
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