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Merge pull request #9588 from JosJuice/jitarm64-srawx-a-s

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JitArm64: Improve srawx special case carry calculation
This commit is contained in:
Léo Lam
2021-03-16 10:40:10 +01:00
committed by GitHub
parent f36b1cbb2a c0f840525f
commit 3fcc018fa7
1 changed files with 3 additions and 2 deletions
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5
Source/Core/Core/PowerPC/JitArm64/JitArm64_Integer.cpp
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@ -1401,13 +1401,14 @@ void JitArm64::srawx(UGeckoInstruction inst)
{ {
gpr.BindToRegister(a, a == s); gpr.BindToRegister(a, a == s);
ASR(gpr.R(a), gpr.R(s), 31);
if (js.op->wantsCA) if (js.op->wantsCA)
{ {
// Set the carry flag to the sign bit of s
CMN(gpr.R(s), gpr.R(s)); CMN(gpr.R(s), gpr.R(s));
ComputeCarry(); ComputeCarry();
} }
ASR(gpr.R(a), gpr.R(s), 31);
} }
else if (amount == 0) else if (amount == 0)
{ {