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GitHub Repository: hrydgard/ppsspp
 Path: blob/master/Core/MIPS/IR/IRFrontend.h
Views: 1401
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#pragma once

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#include "Common/CommonTypes.h"

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#include "Core/MIPS/JitCommon/JitCommon.h"

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#include "Core/MIPS/JitCommon/JitState.h"

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#include "Core/MIPS/MIPSVFPUUtils.h"

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#include "Core/MIPS/IR/IRInst.h"

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namespace MIPSComp {

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class IRFrontend : public MIPSFrontendInterface {

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public:

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	IRFrontend(bool startDefaultPrefix);

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	void Comp_Generic(MIPSOpcode op) override;

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	void Comp_RunBlock(MIPSOpcode op) override;

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	void Comp_ReplacementFunc(MIPSOpcode op) override;

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	// Ops

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	void Comp_ITypeMem(MIPSOpcode op) override;

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	void Comp_StoreSync(MIPSOpcode op) override;

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	void Comp_Cache(MIPSOpcode op) override;

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	void Comp_RelBranch(MIPSOpcode op) override;

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	void Comp_RelBranchRI(MIPSOpcode op) override;

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	void Comp_FPUBranch(MIPSOpcode op) override;

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	void Comp_FPULS(MIPSOpcode op) override;

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	void Comp_FPUComp(MIPSOpcode op) override;

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	void Comp_Jump(MIPSOpcode op) override;

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	void Comp_JumpReg(MIPSOpcode op) override;

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	void Comp_Syscall(MIPSOpcode op) override;

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	void Comp_Break(MIPSOpcode op) override;

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	void Comp_IType(MIPSOpcode op) override;

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	void Comp_RType2(MIPSOpcode op) override;

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	void Comp_RType3(MIPSOpcode op) override;

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	void Comp_ShiftType(MIPSOpcode op) override;

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	void Comp_Allegrex(MIPSOpcode op) override;

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	void Comp_Allegrex2(MIPSOpcode op) override;

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	void Comp_VBranch(MIPSOpcode op) override;

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	void Comp_MulDivType(MIPSOpcode op) override;

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	void Comp_Special3(MIPSOpcode op) override;

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	void Comp_FPU3op(MIPSOpcode op) override;

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	void Comp_FPU2op(MIPSOpcode op) override;

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	void Comp_mxc1(MIPSOpcode op) override;

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	void Comp_DoNothing(MIPSOpcode op) override;

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	void Comp_SV(MIPSOpcode op) override;

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	void Comp_SVQ(MIPSOpcode op) override;

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	void Comp_VPFX(MIPSOpcode op) override;

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	void Comp_VVectorInit(MIPSOpcode op) override;

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	void Comp_VMatrixInit(MIPSOpcode op) override;

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	void Comp_VDot(MIPSOpcode op) override;

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	void Comp_VecDo3(MIPSOpcode op) override;

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	void Comp_VV2Op(MIPSOpcode op) override;

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	void Comp_Mftv(MIPSOpcode op) override;

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	void Comp_Vmfvc(MIPSOpcode op) override;

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	void Comp_Vmtvc(MIPSOpcode op) override;

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	void Comp_Vmmov(MIPSOpcode op) override;

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	void Comp_VScl(MIPSOpcode op) override;

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	void Comp_Vmmul(MIPSOpcode op) override;

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	void Comp_Vmscl(MIPSOpcode op) override;

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	void Comp_Vtfm(MIPSOpcode op) override;

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	void Comp_VHdp(MIPSOpcode op) override;

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	void Comp_VCrs(MIPSOpcode op) override;

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	void Comp_VDet(MIPSOpcode op) override;

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	void Comp_Vi2x(MIPSOpcode op) override;

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	void Comp_Vx2i(MIPSOpcode op) override;

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	void Comp_Vf2i(MIPSOpcode op) override;

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	void Comp_Vi2f(MIPSOpcode op) override;

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	void Comp_Vh2f(MIPSOpcode op) override;

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	void Comp_Vcst(MIPSOpcode op) override;

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	void Comp_Vhoriz(MIPSOpcode op) override;

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	void Comp_VRot(MIPSOpcode op) override;

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	void Comp_VIdt(MIPSOpcode op) override;

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	void Comp_Vcmp(MIPSOpcode op) override;

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	void Comp_Vcmov(MIPSOpcode op) override;

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	void Comp_Viim(MIPSOpcode op) override;

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	void Comp_Vfim(MIPSOpcode op) override;

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	void Comp_VCrossQuat(MIPSOpcode op) override;

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	void Comp_Vsgn(MIPSOpcode op) override;

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	void Comp_Vocp(MIPSOpcode op) override;

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	void Comp_ColorConv(MIPSOpcode op) override;

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	void Comp_Vbfy(MIPSOpcode op) override;

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	int Replace_fabsf() override;

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	void DoState(PointerWrap &p);

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	bool CheckRounding(u32 blockAddress);  // returns true if we need a do-over

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	void DoJit(u32 em_address, std::vector<IRInst> &instructions, u32 &mipsBytes, bool preload);

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	void EatPrefix() override {

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		js.EatPrefix();

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	}

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	void SetOptions(const IROptions &o) {

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		opts = o;

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	}

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private:

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	void RestoreRoundingMode(bool force = false);

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	void ApplyRoundingMode(bool force = false);

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	void UpdateRoundingMode();

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	void FlushAll();

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	void FlushPrefixV();

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	u32 GetCompilerPC();

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	void CompileDelaySlot();

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	void EatInstruction(MIPSOpcode op);

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	MIPSOpcode GetOffsetInstruction(int offset);

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	void CheckBreakpoint(u32 addr);

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	void CheckMemoryBreakpoint(int rs, int offset);

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	// Utility compilation functions

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	void BranchFPFlag(MIPSOpcode op, IRComparison cc, bool likely);

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	void BranchVFPUFlag(MIPSOpcode op, IRComparison cc, bool likely);

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	void BranchRSZeroComp(MIPSOpcode op, IRComparison cc, bool andLink, bool likely);

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	void BranchRSRTComp(MIPSOpcode op, IRComparison cc, bool likely);

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	// Utilities to reduce duplicated code

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	void CompShiftImm(MIPSOpcode op, IROp shiftType, int sa);

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	void CompShiftVar(MIPSOpcode op, IROp shiftType);

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	void ApplyPrefixST(u8 *vregs, u32 prefix, VectorSize sz, int tempReg);

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	void ApplyPrefixD(u8 *vregs, VectorSize sz, int vectorReg);

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	void ApplyPrefixDMask(u8 *vregs, VectorSize sz, int vectorReg);

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	void GetVectorRegsPrefixS(u8 *regs, VectorSize sz, int vectorReg);

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	void GetVectorRegsPrefixT(u8 *regs, VectorSize sz, int vectorReg);

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	void GetVectorRegsPrefixD(u8 *regs, VectorSize sz, int vectorReg);

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	void GetVectorRegs(u8 regs[4], VectorSize N, int vectorReg);

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	void GetMatrixRegs(u8 regs[16], MatrixSize N, int matrixReg);

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	// State

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	JitState js;

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	IRWriter ir;

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	IROptions opts{};

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	int dontLogBlocks = 0;

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	int logBlocks = 0;

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};

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}  // namespace

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