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fixed the way the VU's check for overflow in recUpdateFlags() 

i would like to continue coding, but i have to study for an exam hehe :p

git-svn-id: http://pcsx2-playground.googlecode.com/svn/trunk@104 a6443dda-0b58-4228-96e9-037be469359c
This commit is contained in:
cottonvibes 2008-09-08 06:07:09 +00:00 committed by Gregory Hainaut
parent b987309f38
commit 43b8f52249
1 changed files with 14 additions and 4 deletions
pcsx2/x86
iVUmicro.c

18
pcsx2/x86/iVUmicro.c
View File

@ -1404,8 +1404,13 @@ void recUpdateFlags(VURegs * VU, int reg, int info)
if (CHECK_VU_EXTRA_FLAGS) {
//-------------------------Check for Overflow flags------------------------------
SSE_XORPS_XMM_to_XMM(EEREC_TEMP, EEREC_TEMP); // Clear EEREC_TEMP
SSE_CMPUNORDPS_XMM_to_XMM(EEREC_TEMP, reg); // If reg == NaN then set Vector to 0xFFFFFFFF
//SSE_XORPS_XMM_to_XMM(EEREC_TEMP, EEREC_TEMP); // Clear EEREC_TEMP
//SSE_CMPUNORDPS_XMM_to_XMM(EEREC_TEMP, reg); // If reg == NaN then set Vector to 0xFFFFFFFF
SSE_MOVAPS_XMM_to_XMM(EEREC_TEMP, reg);
SSE_MINPS_M128_to_XMM(EEREC_TEMP, (uptr)g_maxvals);
SSE_MAXPS_M128_to_XMM(EEREC_TEMP, (uptr)g_minvals);
SSE_CMPNEPS_XMM_to_XMM(EEREC_TEMP, reg); // If they're not equal, then overflow has occured
SSE_MOVMSKPS_XMM_to_R32(x86newflag, EEREC_TEMP); // Move the sign bits of the previous calculation
@ -1518,8 +1523,13 @@ void recUpdateFlags(VURegs * VU, int reg, int info)
if (CHECK_VU_EXTRA_FLAGS) {
//-------------------------Check for Overflow flags------------------------------
SSE_XORPS_XMM_to_XMM(t1reg, t1reg); // Clear t1reg
SSE_CMPUNORDPS_XMM_to_XMM(t1reg, reg); // If reg == NaN then set Vector to 0xFFFFFFFF
//SSE_XORPS_XMM_to_XMM(t1reg, t1reg); // Clear t1reg
//SSE_CMPUNORDPS_XMM_to_XMM(t1reg, reg); // If reg == NaN then set Vector to 0xFFFFFFFF
SSE_MOVAPS_XMM_to_XMM(t1reg, reg);
SSE_MINPS_M128_to_XMM(t1reg, (uptr)g_maxvals);
SSE_MAXPS_M128_to_XMM(t1reg, (uptr)g_minvals);
SSE_CMPNEPS_XMM_to_XMM(t1reg, reg); // If they're not equal, then overflow has occured
SSE_MOVMSKPS_XMM_to_R32(x86newflag, t1reg); // Move the sign bits of the previous calculation