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JitArm64: fix addzex

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CMP don't update the carry flag, so we have to use an addition.
This commit is contained in:
degasus 2015-08-13 13:35:44 +02:00
parent 63480da4ee
commit f7fa22a053
1 changed files with 1 additions and 6 deletions
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7
Source/Core/Core/PowerPC/JitArm64/JitArm64_Integer.cpp
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@ -678,17 +678,12 @@ void JitArm64::addzex(UGeckoInstruction inst)
JITDISABLE(bJITIntegerOff); JITDISABLE(bJITIntegerOff);
FALLBACK_IF(inst.OE); FALLBACK_IF(inst.OE);
// breaks Kirby
FALLBACK_IF(1);
int a = inst.RA, d = inst.RD; int a = inst.RA, d = inst.RD;
gpr.BindToRegister(d, d == a); gpr.BindToRegister(d, d == a);
ARM64Reg WA = gpr.GetReg(); ARM64Reg WA = gpr.GetReg();
LDRB(INDEX_UNSIGNED, WA, X29, PPCSTATE_OFF(xer_ca)); LDRB(INDEX_UNSIGNED, WA, X29, PPCSTATE_OFF(xer_ca));
CMP(WA, 0); ADDS(gpr.R(d), gpr.R(a), WA);
CSINC(gpr.R(d), gpr.R(a), gpr.R(a), CC_EQ);
CMP(gpr.R(d), 0);
gpr.Unlock(WA); gpr.Unlock(WA);
ComputeCarry(); ComputeCarry();
if (inst.Rc) if (inst.Rc)