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119 lines
4.1 KiB
119 lines
4.1 KiB
// AsmJit - Machine code generation for C++
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//
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// * Official AsmJit Home Page: https://asmjit.com
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// * Official Github Repository: https://github.com/asmjit/asmjit
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//
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// Copyright (c) 2008-2020 The AsmJit Authors
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would be
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// appreciated but is not required.
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// 2. Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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// 3. This notice may not be removed or altered from any source distribution.
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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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// ============================================================================
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// [asmjit::X86RAPass]
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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
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//! 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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// --------------------------------------------------------------------------
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// [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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// [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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// --------------------------------------------------------------------------
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// [Utilities]
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// --------------------------------------------------------------------------
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inline bool avxEnabled() const noexcept { return _emitHelper._avxEnabled; }
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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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// [OnInit / OnDone]
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// --------------------------------------------------------------------------
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void onInit() noexcept override;
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void onDone() noexcept override;
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// --------------------------------------------------------------------------
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// [CFG]
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// --------------------------------------------------------------------------
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Error buildCFG() noexcept override;
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// --------------------------------------------------------------------------
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// [Emit]
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// --------------------------------------------------------------------------
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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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//! \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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