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fixed possible allocation problems... 

git-svn-id: http://pcsx2-playground.googlecode.com/svn/trunk@164 a6443dda-0b58-4228-96e9-037be469359c
This commit is contained in:
cottonvibes 2008-10-01 11:40:37 +00:00 committed by Gregory Hainaut
parent ac7da51968
commit ee5d3d02fb
1 changed files with 13 additions and 15 deletions
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28
pcsx2/x86/iVUmicro.c
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@ -1393,7 +1393,7 @@ void recUpdateFlags(VURegs * VU, int reg, int info)
static u8* pjmp;
static u32* pjmp32;
static u32 macaddr, stataddr, prevstataddr;
static int x86macflag, x86newflag, x86temp;
static int x86macflag, x86temp;
static int t1reg, t1regBoolean;
if( !(info & PROCESS_VU_UPDATEFLAGS) ) return;
@ -1408,7 +1408,6 @@ void recUpdateFlags(VURegs * VU, int reg, int info)
macaddr = VU_VI_ADDR(REG_MAC_FLAG, 2);
}
x86newflag = ALLOCTEMPX86(MODE_8BITREG);
x86macflag = ALLOCTEMPX86(0);
x86temp = ALLOCTEMPX86(0);
@ -1446,12 +1445,12 @@ void recUpdateFlags(VURegs * VU, int reg, int info)
SSE_ANDPS_M128_to_XMM(t1reg, (uptr)VU_Zero_Helper_Mask);
SSE_CMPEQPS_M128_to_XMM(t1reg, (uptr)VU_Pos_Infinity); // If infinity, then overflow has occured (NaN's don't report as overflow) (NaN's and Infinities report as overflow)
SSE_MOVMSKPS_XMM_to_R32(x86newflag, t1reg); // Move the sign bits of the previous calculation
SSE_MOVMSKPS_XMM_to_R32(EAX, t1reg); // Move the sign bits of the previous calculation
AND32ItoR(x86newflag, 0x0f & _X_Y_Z_W ); // Grab "Has Overflowed" bits from the previous calculation (also make sure we're only grabbing from the XYZW being modified)
AND32ItoR(EAX, _X_Y_Z_W ); // Grab "Has Overflowed" bits from the previous calculation (also make sure we're only grabbing from the XYZW being modified)
pjmp = JZ8(0); // Skip if none are
OR32ItoR(x86temp, 8); // Set if they are
OR32RtoR(x86macflag, x86newflag);
OR32RtoR(x86macflag, EAX);
SHL32ItoR(x86macflag, 8); // Shift the Overflow flags left 8
pjmp32 = JMP32(0); // Skip Underflow Check
x86SetJ8(pjmp);
@ -1467,12 +1466,12 @@ void recUpdateFlags(VURegs * VU, int reg, int info)
SSE_ANDPS_M128_to_XMM(t1reg, (uptr)&VU_Underflow_Mask2[ 0 ]);
SSE_CMPNEPS_M128_to_XMM(t1reg, (uptr)&VU_Zero_Mask[ 0 ]); // If (t1reg != zero mantisa) then set Vector to 0xFFFFFFFF
SSE_MOVMSKPS_XMM_to_R32(x86newflag, t1reg); // Move the sign bits of the previous calculation
SSE_MOVMSKPS_XMM_to_R32(EAX, t1reg); // Move the sign bits of the previous calculation
AND32ItoR(x86newflag, 0x0f & _X_Y_Z_W ); // Grab "Has Underflowed" bits from the previous calculation
AND32ItoR(EAX, _X_Y_Z_W ); // Grab "Has Underflowed" bits from the previous calculation
pjmp = JZ8(0); // Skip if none are
OR32ItoR(x86temp, 4); // Set if they are
OR32RtoR(x86macflag, x86newflag);
OR32RtoR(x86macflag, EAX);
SHL32ItoR(x86macflag, 4); // Shift the Overflow and Underflow flags left 4
x86SetJ8(pjmp);
@ -1496,12 +1495,12 @@ void recUpdateFlags(VURegs * VU, int reg, int info)
SSE_CMPNEPS_XMM_to_XMM(t1reg, reg); // Set all F's if each vector is not zero
SSE_ANDPS_XMM_to_XMM(t1reg, reg);
SSE_MOVMSKPS_XMM_to_R32(x86newflag, t1reg); // Move the sign bits of the t1reg
SSE_MOVMSKPS_XMM_to_R32(EAX, t1reg); // Move the sign bits of the t1reg
AND32ItoR(x86newflag, 0x0f & _X_Y_Z_W ); // Grab "Is Signed" bits from the previous calculation
AND32ItoR(EAX, _X_Y_Z_W ); // Grab "Is Signed" bits from the previous calculation
pjmp = JZ8(0); // Skip if none are
OR32ItoR(x86temp, 2); // Set if they are
OR32RtoR(x86macflag, x86newflag);
OR32RtoR(x86macflag, EAX);
SHL32ItoR(x86macflag, 4); // Shift the Overflow, Underflow, and Zero flags left 4
pjmp32 = JMP32(0); // If negative and not Zero, we can skip the Zero Flag checking
x86SetJ8(pjmp);
@ -1513,12 +1512,12 @@ void recUpdateFlags(VURegs * VU, int reg, int info)
SSE_XORPS_XMM_to_XMM(t1reg, t1reg); // Clear t1reg
SSE_CMPEQPS_XMM_to_XMM(t1reg, reg); // Set all F's if each vector is zero
SSE_MOVMSKPS_XMM_to_R32(x86newflag, t1reg); // Move the sign bits of the previous calculation
SSE_MOVMSKPS_XMM_to_R32(EAX, t1reg); // Move the sign bits of the previous calculation
AND32ItoR(x86newflag, 0x0f & _X_Y_Z_W ); // Grab "Is Zero" bits from the previous calculation
AND32ItoR(EAX, _X_Y_Z_W ); // Grab "Is Zero" bits from the previous calculation
pjmp = JZ8(0); // Skip if none are
OR32ItoR(x86temp, 1); // Set if they are
OR32RtoR(x86macflag, x86newflag);
OR32RtoR(x86macflag, EAX);
x86SetJ8(pjmp);
//-------------------------Finally: Send the Flags to the Mac Flag Address------------------------------
@ -1540,7 +1539,6 @@ void recUpdateFlags(VURegs * VU, int reg, int info)
MOV32RtoM(stataddr, x86macflag);
_freeX86reg(x86macflag);
_freeX86reg(x86newflag);
_freeX86reg(x86temp);
}