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JitArm64: Add rlwinmx case for only shifting 

Small optimization.
This commit is contained in:
JosJuice 2023-12-16 17:34:33 +01:00
parent f87a4f0385
commit b5a95b7804
1 changed files with 4 additions and 0 deletions
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4
Source/Core/Core/PowerPC/JitArm64/JitArm64_Integer.cpp
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@ -784,6 +784,10 @@ void JitArm64::rlwinmx(UGeckoInstruction inst)
// Immediate mask // Immediate mask
AND(gpr.R(a), gpr.R(s), LogicalImm(mask, 32)); AND(gpr.R(a), gpr.R(s), LogicalImm(mask, 32));
} }
else if (mask == 0xFFFFFFFF)
{
ROR(gpr.R(a), gpr.R(s), 32 - inst.SH);
}
else if (inst.ME == 31 && 31 < inst.SH + inst.MB) else if (inst.ME == 31 && 31 < inst.SH + inst.MB)
{ {
// Bit select of the upper part // Bit select of the upper part