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JitArm64: Always lock Q0 in psq_stXX 

Q0 is used as a scratch register by EmitBackpatchRoutine.

Fixes a vertex explosion in Spider-Man 2 that was uncovered by 20b2300.
This commit is contained in:
JosJuice 2022-04-16 13:22:36 +02:00
parent c5c4169bc8
commit 2ef2d4778d
1 changed files with 4 additions and 2 deletions
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6
Source/Core/Core/PowerPC/JitArm64/JitArm64_LoadStorePaired.cpp
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@ -151,8 +151,9 @@ void JitArm64::psq_stXX(UGeckoInstruction inst)
const int i = indexed ? inst.Ix : inst.I;
const int w = indexed ? inst.Wx : inst.W;
fpr.Lock(ARM64Reg::Q0);
if (!js.assumeNoPairedQuantize)
fpr.Lock(ARM64Reg::Q0, ARM64Reg::Q1);
fpr.Lock(ARM64Reg::Q1);
const bool have_single = fpr.IsSingle(inst.RS);
@ -259,9 +260,10 @@ void JitArm64::psq_stXX(UGeckoInstruction inst)
fpr.Unlock(VS);
gpr.Unlock(ARM64Reg::W0, ARM64Reg::W1, ARM64Reg::W30);
fpr.Unlock(ARM64Reg::Q0);
if (!js.assumeNoPairedQuantize)
{
gpr.Unlock(ARM64Reg::W2);
fpr.Unlock(ARM64Reg::Q0, ARM64Reg::Q1);
fpr.Unlock(ARM64Reg::Q1);
}
}