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PPCRec: New compare and cond jump instrs, update RA

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Storing the condition result in a register instead of imitating PPC CR lets us simplify the backend a lot. Only implemented as PoC for BDZ/BDNZ so far.
This commit is contained in:
Exzap 2022-12-17 21:06:27 +01:00
parent d0590ef1f5
commit a51a8bb7d5
19 changed files with 609 additions and 323 deletions
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src/Cafe/HW/Espresso/Recompiler/PPCRecompilerIml.h
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@ -28,7 +28,7 @@ uint32 PPCRecompilerImlGen_loadOverwriteFPRRegister(ppcImlGenContext_t* ppcImlGe
// IML instruction generation
void PPCRecompilerImlGen_generateNewInstruction_jumpSegment(ppcImlGenContext_t* ppcImlGenContext, IMLInstruction* imlInstruction);
void PPCRecompilerImlGen_generateNewInstruction_r_s32(ppcImlGenContext_t* ppcImlGenContext, uint32 operation, uint8 registerIndex, sint32 immS32, uint32 copyWidth, bool signExtend, bool bigEndian, uint8 crRegister, uint32 crMode);
void PPCRecompilerImlGen_generateNewInstruction_r_s32(ppcImlGenContext_t* ppcImlGenContext, uint32 operation, uint8 registerIndex, sint32 immS32, uint8 crRegister, uint32 crMode);
void PPCRecompilerImlGen_generateNewInstruction_conditional_r_s32(ppcImlGenContext_t* ppcImlGenContext, IMLInstruction* imlInstruction, uint32 operation, uint8 registerIndex, sint32 immS32, uint32 crRegisterIndex, uint32 crBitIndex, bool bitMustBeSet);
void PPCRecompilerImlGen_generateNewInstruction_r_r(ppcImlGenContext_t* ppcImlGenContext, IMLInstruction* imlInstruction, uint32 operation, uint8 registerResult, uint8 registerA, uint8 crRegister = PPC_REC_INVALID_REGISTER, uint8 crMode = 0);