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fixed an error in a recUpdateFlags() optimization that i've had for along time and for some reason never noticed :( thats to Person on #pcsx2 for pointing it out. 

git-svn-id: http://pcsx2-playground.googlecode.com/svn/trunk@619 a6443dda-0b58-4228-96e9-037be469359c
This commit is contained in:
cottonvibes 2009-01-22 05:40:03 +00:00 committed by Gregory Hainaut
parent 8d09b80fb9
commit e312e9d25c
1 changed files with 4 additions and 4 deletions
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8
pcsx2/x86/iVUmicroUpper.cpp
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@ -212,7 +212,7 @@ void recUpdateFlags(VURegs * VU, int reg, int info)
OR16ItoR(x86temp, 0x208); // OS, O flags
SHL16ItoR(EAX, 12);
OR32RtoR(x86macflag, EAX);
pjmp32 = JMP32(0); // Skip Underflow Check
if (_XYZW_SS) pjmp32 = JMP32(0); // Skip Underflow Check
x86SetJ8(pjmp);
//-------------------------Check for Underflow flags------------------------------
@ -244,7 +244,7 @@ void recUpdateFlags(VURegs * VU, int reg, int info)
SSE_ORPS_XMM_to_XMM(reg, t1reg); // Denormals are Signed Zero, and unmodified vectors stay the same!
}
x86SetJ32(pjmp32); // If we skipped the Underflow Flag Checking (when we had an Overflow), return here
if (_XYZW_SS) x86SetJ32(pjmp32); // If we skipped the Underflow Flag Checking (when we had an Overflow), return here
}
vuFloat2(reg, t1reg, flipMask[_X_Y_Z_W]); // Clamp overflowed vectors that were modified (remember reg's vectors have been flipped, so have to use a flipmask)
@ -263,7 +263,7 @@ void recUpdateFlags(VURegs * VU, int reg, int info)
OR16ItoR(x86temp, 0x82); // SS, S flags
SHL16ItoR(EAX, 4);
OR32RtoR(x86macflag, EAX);
pjmp2 = JMP8(0); // If negative and not Zero, we can skip the Zero Flag checking
if (_XYZW_SS) pjmp2 = JMP8(0); // If negative and not Zero, we can skip the Zero Flag checking
x86SetJ8(pjmp);
//-------------------------Check for Zero flags------------------------------
@ -281,7 +281,7 @@ void recUpdateFlags(VURegs * VU, int reg, int info)
//-------------------------Finally: Send the Flags to the Mac Flag Address------------------------------
x86SetJ8(pjmp2); // If we skipped the Zero Flag Checking, return here
if (_XYZW_SS) x86SetJ8(pjmp2); // If we skipped the Zero Flag Checking, return here
if (t1regBoolean == 2) SSE_SHUFPS_XMM_to_XMM(reg, reg, 0x1B); // Flip back reg to wzyx (have to do this because reg != EEREC_TEMP)
else if (t1regBoolean == 1) SSE_MOVAPS_M128_to_XMM( t1reg, (uptr)TEMPXMMData ); // Restore data from temo address