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Temporarily disable a couple of unsafe quantizer optimizations. they will return in a better form.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4858 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard 2010-01-16 20:05:37 +00:00
parent 9d14042a0c
commit 4aeec95513
1 changed files with 18 additions and 0 deletions
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18
Source/Core/Core/Src/PowerPC/Jit64/Jit_LoadStorePaired.cpp
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@ -67,10 +67,16 @@ void Jit64::psq_st(UGeckoInstruction inst)
int s = inst.RS; // Fp numbers
const UGQR gqr(rSPR(SPR_GQR0 + inst.I));
u16 store_gqr = gqr.Hex & 0xFFFF;
const EQuantizeType stType = static_cast<EQuantizeType>(gqr.ST_TYPE);
int stScale = gqr.ST_SCALE;
if (inst.W) {
Default(inst);
return;
// PanicAlert("W=1: stType %i stScale %i update %i", (int)stType, (int)stScale, (int)update);
// It's fairly common that games write stuff to the pipe using this. Then, it's pretty much only
// floats so that's what we'll work on.
@ -86,6 +92,11 @@ void Jit64::psq_st(UGeckoInstruction inst)
gpr.FlushLockX(ABI_PARAM1, ABI_PARAM2);
gpr.Lock(a);
fpr.Lock(s);
// Check that the quantizer is set the way we expect.
INT3();
CMP(16, M(&rSPR(SPR_GQR0 + inst.I)), Imm16(store_gqr));
FixupBranch skip_opt = J_CC(CC_NE);
if (update)
gpr.LoadToX64(a, true, true);
MOV(32, R(ABI_PARAM2), gpr.R(a));
@ -113,6 +124,11 @@ void Jit64::psq_st(UGeckoInstruction inst)
gpr.UnlockAll();
gpr.UnlockAllX();
fpr.UnlockAll();
FixupBranch skip_slow = J();
SetJumpTarget(skip_opt);
Default(inst);
SetJumpTarget(skip_slow);
return;
}
default:
@ -121,6 +137,7 @@ void Jit64::psq_st(UGeckoInstruction inst)
}
}
#if 0
// Is this specialization still worth it? Let's keep it for now. It's probably
// not very risky since a game most likely wouldn't use the same code to process
// floats as integers (but you never know....).
@ -139,6 +156,7 @@ void Jit64::psq_st(UGeckoInstruction inst)
}
}
}
#endif
gpr.FlushLockX(EAX, EDX);
gpr.FlushLockX(ECX);