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fixed a problem with VU CLIP, and optimized it a bit as well. 

git-svn-id: http://pcsx2-playground.googlecode.com/svn/trunk@50 a6443dda-0b58-4228-96e9-037be469359c
This commit is contained in:
cottonvibes 2008-08-18 02:04:04 +00:00 committed by Gregory Hainaut
parent 1407170be7
commit e7c805635b
1 changed files with 9 additions and 9 deletions
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18
pcsx2/x86/iVUmicro.c
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@ -3648,7 +3648,7 @@ void recVUMI_CLIP(VURegs *VU, int info)
{
int t1reg = EEREC_D;
int t2reg = EEREC_ACC;
int x86temp1, x86temp2;
int x86temp1;
u32 clipaddr = VU_VI_ADDR(REG_CLIP_FLAG, 0);
u32 prevclipaddr = VU_VI_ADDR(REG_CLIP_FLAG, 2);
@ -3662,9 +3662,8 @@ void recVUMI_CLIP(VURegs *VU, int info)
assert( t1reg != t2reg && t1reg != EEREC_TEMP && t2reg != EEREC_TEMP );
x86temp1 = ALLOCTEMPX86(MODE_8BITREG);
x86temp2 = ALLOCTEMPX86(MODE_8BITREG);
if ( (x86temp1 == 0) || (x86temp2 == 0) ) SysPrintf("VU CLIP Allocation Error: EAX being allocated!");
if (x86temp1 == 0) SysPrintf("VU CLIP Allocation Error: EAX being allocated!");
if( _Ft_ == 0 ) {
// all 1s
@ -3680,22 +3679,24 @@ void recVUMI_CLIP(VURegs *VU, int info)
MOV32MtoR(EAX, prevclipaddr);
SSE_CMPNLTPS_XMM_to_XMM(t1reg, EEREC_S); //-w, -z, -y, -x
SSE_CMPLEPS_XMM_to_XMM(EEREC_TEMP, EEREC_S); //+w, +z, +y, +x
SSE_CMPNLEPS_XMM_to_XMM(t1reg, EEREC_S); //-w, -z, -y, -x
SSE_CMPLTPS_XMM_to_XMM(EEREC_TEMP, EEREC_S); //+w, +z, +y, +x
SHL32ItoR(EAX, 6);
SSE_MOVAPS_XMM_to_XMM(t2reg, EEREC_TEMP); //t2 = +w, +z, +y, +x
SSE_UNPCKLPS_XMM_to_XMM(EEREC_TEMP, t1reg); //EEREC_TEMP = -y,+y,-x,+x
SSE_UNPCKHPS_XMM_to_XMM(t2reg, t1reg); //t2reg = -w,+w,-z,+z
SSE_MOVMSKPS_XMM_to_R32(x86temp2, EEREC_TEMP); // -y,+y,-x,+x
SSE_MOVMSKPS_XMM_to_R32(x86temp1, t2reg); // -w,+w,-z,+z
AND8ItoR(x86temp1, 0x3);
SHL8ItoR(x86temp1, 4);
OR8RtoR(EAX, x86temp1);
AND8ItoR(x86temp2, 0xf);
OR8RtoR(EAX, x86temp2);
SSE_MOVMSKPS_XMM_to_R32(x86temp1, EEREC_TEMP); // -y,+y,-x,+x
AND8ItoR(x86temp1, 0xf);
OR8RtoR(EAX, x86temp1);
AND32ItoR(EAX, 0xffffff);
MOV32RtoM(clipaddr, EAX);
@ -3706,7 +3707,6 @@ void recVUMI_CLIP(VURegs *VU, int info)
//_freeXMMreg(t2reg);
_freeX86reg(x86temp1);
_freeX86reg(x86temp2);
}
/******************************/