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PPC: fix undefined sint underflow

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This commit is contained in:
Fabio Arnold 2026-03-18 22:46:03 +01:00
parent 8e2cf6c7b2
commit 245f7ed270
1 changed files with 1 additions and 1 deletions
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src/Cafe/HW/Espresso/Recompiler/PPCRecompilerImlGen.cpp
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@ -1190,7 +1190,7 @@ bool PPCRecompilerImlGen_SRAWI(ppcImlGenContext_t* ppcImlGenContext, uint32 opco
// calculate CA first
ppcImlGenContext->emitInst().make_r_r_s32(PPCREC_IML_OP_RIGHT_SHIFT_S, regTmp, regS, 31); // signMask = input >> 31 (arithmetic shift)
ppcImlGenContext->emitInst().make_r_r_r(PPCREC_IML_OP_AND, regTmp, regTmp, regS); // testValue = input & signMask & ((1<<SH)-1)
ppcImlGenContext->emitInst().make_r_r_s32(PPCREC_IML_OP_AND, regTmp, regTmp, ((1 << SH) - 1));
ppcImlGenContext->emitInst().make_r_r_s32(PPCREC_IML_OP_AND, regTmp, regTmp, (sint32)((1u << SH) - 1u));
ppcImlGenContext->emitInst().make_compare_s32(regTmp, 0, regCarry, IMLCondition::NEQ); // ca = (testValue != 0)
// do the actual shift
ppcImlGenContext->emitInst().make_r_r_s32(PPCREC_IML_OP_RIGHT_SHIFT_S, regA, regS, (sint32)SH);