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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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4
src/Cafe/HW/Espresso/Recompiler/IML/IMLOptimizer.cpp
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@ -835,9 +835,7 @@ void PPCRecompiler_optimizeDirectIntegerCopiesScanForward(ppcImlGenContext_t* pp
}
if (foundMatch)
{
// insert expand instruction
IMLInstruction* newExpand = PPCRecompiler_insertInstruction(imlSegment, i);
PPCRecompilerImlGen_generateNewInstruction_r_r(ppcImlGenContext, newExpand, PPCREC_IML_OP_ENDIAN_SWAP, gprIndex, gprIndex);
PPCRecompiler_insertInstruction(imlSegment, i)->make_r_r(PPCREC_IML_OP_ENDIAN_SWAP, gprIndex, gprIndex);
}
}