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microVU: 

- Fixed a very rare case, where both upper and lower instructions read and write to each others regs.
Example:
ADD.xyzw  VF1, VF2, VF3
MOVE.xyzw VF2, VF1

- Forgot to commit iVU0micro.cpp on my last update...

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@1319 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
cottonvibes 2009-06-04 08:13:47 +00:00
parent 4490d237dc
commit 0a6bc57860
5 changed files with 57 additions and 37 deletions
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2
pcsx2/x86/iVU0micro.cpp
View File

@ -47,7 +47,7 @@ namespace VU0micro
if ((VU0.VI[REG_VPU_STAT].UL & 1) == 0) return;
FreezeXMMRegs(1);
if (useMVU0) runVUrec(VU0.VI[REG_TPC].UL, 50000, 0);
if (useMVU0) runVUrec(VU0.VI[REG_TPC].UL, 0x300, 0);
else SuperVUExecuteProgram(VU0.VI[REG_TPC].UL & 0xfff, 0);
FreezeXMMRegs(0);
}

1
pcsx2/x86/microVU.h
View File

@ -100,6 +100,7 @@ struct microVU {
PCSX2_ALIGNED16(u32 macFlag[4]); // 4 instances of mac flag (used in execution)
PCSX2_ALIGNED16(u32 clipFlag[4]); // 4 instances of clip flag (used in execution)
PCSX2_ALIGNED16(u32 xmmPQb[4]); // Backup for xmmPQ
PCSX2_ALIGNED16(u32 xmmVFb[4]); // Backup for VF regs
u32 index; // VU Index (VU0 or VU1)
u32 microSize; // VU Micro Memory Size

38
pcsx2/x86/microVU_Analyze.inl
View File

@ -31,7 +31,7 @@
#define aMax(x, y) ((x > y) ? x : y)
#define aMin(x, y) ((x < y) ? x : y)
// Read a VF reg by upper op
// Read a VF reg
#define analyzeReg1(xReg, vfRead) { \
if (xReg) { \
if (_X) { mVUstall = aMax(mVUstall, aReg(xReg).x); vfRead.reg = xReg; vfRead.x = 1; } \
@ -41,20 +41,6 @@
} \
}
// Read a VF reg by lower op
#define analyzeReg1b(xReg, vfRead) { \
if (xReg) { \
analyzeReg1(xReg, vfRead); \
if (mVUregsTemp.VFreg[0] == xReg) { \
if ((mVUregsTemp.VF[0].x && _X) \
|| (mVUregsTemp.VF[0].y && _Y) \
|| (mVUregsTemp.VF[0].z && _Z) \
|| (mVUregsTemp.VF[0].w && _W)) \
{ mVUinfo.swapOps = 1; } \
} \
} \
}
// Write to a VF reg
#define analyzeReg2(xReg, vfWrite, isLowOp) { \
if (xReg) { \
@ -92,13 +78,6 @@
case 2: mVUstall = aMax(mVUstall, aReg(xReg).z); vfRead.reg = xReg; vfRead.z = 1; break; \
case 3: mVUstall = aMax(mVUstall, aReg(xReg).w); vfRead.reg = xReg; vfRead.w = 1; break; \
} \
if (mVUregsTemp.VFreg[0] == xReg) { \
if ((mVUregsTemp.VF[0].x && (fxf == 0)) \
|| (mVUregsTemp.VF[0].y && (fxf == 1)) \
|| (mVUregsTemp.VF[0].z && (fxf == 2)) \
|| (mVUregsTemp.VF[0].w && (fxf == 3))) \
{ mVUinfo.swapOps = 1; } \
} \
} \
}
@ -109,13 +88,6 @@
if (_Y) { mVUstall = aMax(mVUstall, aReg(xReg).z); vfRead.reg = xReg; vfRead.z = 1; } \
if (_Z) { mVUstall = aMax(mVUstall, aReg(xReg).w); vfRead.reg = xReg; vfRead.w = 1; } \
if (_W) { mVUstall = aMax(mVUstall, aReg(xReg).x); vfRead.reg = xReg; vfRead.x = 1; } \
if (mVUregsTemp.VFreg[0] == xReg) { \
if ((mVUregsTemp.VF[0].y && _X) \
|| (mVUregsTemp.VF[0].z && _Y) \
|| (mVUregsTemp.VF[0].w && _Z) \
|| (mVUregsTemp.VF[0].x && _W)) \
{ mVUinfo.swapOps = 1; } \
} \
} \
}
@ -234,7 +206,7 @@ microVUt(void) mVUanalyzeEFU1(mV, int Fs, int Fsf, u8 xCycles) {
microVUt(void) mVUanalyzeEFU2(mV, int Fs, u8 xCycles) {
mVUprint("microVU: EFU Opcode");
analyzeReg1b(Fs, mVUlow.VF_read[0]);
analyzeReg1(Fs, mVUlow.VF_read[0]);
analyzePreg(xCycles);
}
@ -253,8 +225,8 @@ microVUt(void) mVUanalyzeMFP(mV, int Ft) {
microVUt(void) mVUanalyzeMOVE(mV, int Fs, int Ft) {
if (!Ft || (Ft == Fs)) { mVUlow.isNOP = 1; }
analyzeReg1b(Fs, mVUlow.VF_read[0]);
analyzeReg2 (Ft, mVUlow.VF_write, 1);
analyzeReg1(Fs, mVUlow.VF_read[0]);
analyzeReg2(Ft, mVUlow.VF_write, 1);
}
//------------------------------------------------------------------
@ -273,7 +245,7 @@ microVUt(void) mVUanalyzeLQ(mV, int Ft, int Is, bool writeIs) {
//------------------------------------------------------------------
microVUt(void) mVUanalyzeSQ(mV, int Fs, int It, bool writeIt) {
analyzeReg1b (Fs, mVUlow.VF_read[0]);
analyzeReg1 (Fs, mVUlow.VF_read[0]);
analyzeVIreg1(It, mVUlow.VI_read[0]);
if (writeIt) { analyzeVIreg2(It, mVUlow.VI_write, 1); }
}

52
pcsx2/x86/microVU_Compile.inl
View File

@ -49,6 +49,30 @@
} \
}
#define doBackupVF1() { \
if (mVUinfo.backupVF && !mVUlow.noWriteVF) { \
DevCon::Status("microVU%d: Backing Up VF Reg [%04x]", params getIndex, xPC); \
SSE_MOVAPS_M128_to_XMM(xmmT1, (uptr)&mVU->regs->VF[mVUlow.VF_write.reg].UL[0]); \
SSE_MOVAPS_XMM_to_M128((uptr)mVU->xmmVFb, xmmT1); \
} \
}
#define doBackupVF2() { \
if (mVUinfo.backupVF && !mVUlow.noWriteVF) { \
SSE_MOVAPS_M128_to_XMM(xmmT1, (uptr)mVU->xmmVFb); \
SSE_MOVAPS_M128_to_XMM(xmmT2, (uptr)&mVU->regs->VF[mVUlow.VF_write.reg].UL[0]); \
SSE_MOVAPS_XMM_to_M128((uptr)&mVU->regs->VF[mVUlow.VF_write.reg].UL[0], xmmT1); \
SSE_MOVAPS_XMM_to_M128((uptr)mVU->xmmVFb, xmmT2); \
} \
}
#define doBackupVF3() { \
if (mVUinfo.backupVF && !mVUlow.noWriteVF) { \
SSE_MOVAPS_M128_to_XMM(xmmT1, (uptr)mVU->xmmVFb); \
SSE_MOVAPS_XMM_to_M128((uptr)&mVU->regs->VF[mVUlow.VF_write.reg].UL[0], xmmT1); \
} \
}
#define startLoop() { \
mVUdebug1(); \
memset(&mVUinfo, 0, sizeof(mVUinfo)); \
@ -61,6 +85,7 @@
#define incQ() { mVU->q = (mVU->q+1) & 1; }
#define doUpperOp() { mVUopU(mVU, 1); mVUdivSet(mVU); }
#define doLowerOp() { incPC(-1); mVUopL(mVU, 1); incPC(1); }
#define doSwapOp() { doBackupVF1(); mVUopL(mVU, 1); doBackupVF2(); incPC(1); doUpperOp(); doBackupVF3(); }
#define doIbit() { if (mVUup.iBit) { incPC(-1); MOV32ItoM((uptr)&mVU->regs->VI[REG_I].UL, curI); incPC(1); } }
//------------------------------------------------------------------
@ -134,12 +159,34 @@ microVUt(void) mVUincCycles(mV, int x) {
calcCycles(mVUregs.r, x);
}
#define cmpVFregs(VFreg1, VFreg2, xVar) { \
if (VFreg1.reg == VFreg2.reg) { \
if ((VFreg1.x && VFreg2.x) \
|| (VFreg1.y && VFreg2.y) \
|| (VFreg1.z && VFreg2.z) \
|| (VFreg1.w && VFreg2.w)) \
{ xVar = 1; } \
} \
}
microVUt(void) mVUsetCycles(mV) {
incCycles(mVUstall);
if (mVUregsTemp.VFreg[0] == mVUregsTemp.VFreg[1] && mVUregsTemp.VFreg[0]) { // If upper Op && lower Op write to same VF reg
// If upper Op && lower Op write to same VF reg:
if ((mVUregsTemp.VFreg[0] == mVUregsTemp.VFreg[1]) && mVUregsTemp.VFreg[0]) {
if (mVUregsTemp.r || mVUregsTemp.VI) mVUlow.noWriteVF = 1;
else mVUlow.isNOP = 1; // If lower Op doesn't modify anything else, then make it a NOP
}
// If lower op reads a VF reg that upper Op writes to:
if ((mVUlow.VF_read[0].reg || mVUlow.VF_read[1].reg) && mVUup.VF_write.reg) {
cmpVFregs(mVUup.VF_write, mVUlow.VF_read[0], mVUinfo.swapOps);
cmpVFregs(mVUup.VF_write, mVUlow.VF_read[1], mVUinfo.swapOps);
}
// If above case is true, and upper op reads a VF reg that lower Op Writes to:
if (mVUinfo.swapOps && ((mVUup.VF_read[0].reg || mVUup.VF_read[1].reg) && mVUlow.VF_write.reg)) {
cmpVFregs(mVUlow.VF_write, mVUup.VF_read[0], mVUinfo.backupVF);
cmpVFregs(mVUlow.VF_write, mVUup.VF_read[1], mVUinfo.backupVF);
}
tCycles(mVUregs.VF[mVUregsTemp.VFreg[0]].x, mVUregsTemp.VF[0].x);
tCycles(mVUregs.VF[mVUregsTemp.VFreg[0]].y, mVUregsTemp.VF[0].y);
tCycles(mVUregs.VF[mVUregsTemp.VFreg[0]].z, mVUregsTemp.VF[0].z);
@ -254,7 +301,6 @@ microVUf(void*) __fastcall mVUcompile(u32 startPC, uptr pState) {
if (curI & _Ebit_) { branch = 1; mVUup.eBit = 1; }
if (curI & _DTbit_) { branch = 4; }
if (curI & _Mbit_) { mVUup.mBit = 1; }
if (curI & _Ibit_) { mVUlow.isNOP = 1; mVUup.iBit = 1; }
else { incPC(-1); mVUopL(mVU, 0); incPC(1); }
mVUsetCycles(mVU);
@ -284,7 +330,7 @@ microVUf(void*) __fastcall mVUcompile(u32 startPC, uptr pState) {
if (mVUup.mBit) { OR32ItoM((uptr)&mVU->regs->flags, VUFLAG_MFLAGSET); }
if (mVUlow.isNOP) { incPC(1); doUpperOp(); doIbit(); }
else if (!mVUinfo.swapOps) { incPC(1); doUpperOp(); doLowerOp(); }
else { mVUopL(mVU, 1); incPC(1); doUpperOp(); }
else { doSwapOp(); }
if (mVUinfo.doXGKICK) { mVU_XGKICK_DELAY(mVU, 1); }
if (!mVUinfo.isBdelay) { incPC(1); }

1
pcsx2/x86/microVU_IR.h
View File

@ -115,6 +115,7 @@ struct microOp {
bool isEOB; // Cur Instruction is last instruction in block (End of Block)
bool isBdelay; // Cur Instruction in Branch Delay slot
bool swapOps; // Run Lower Instruction before Upper Instruction
bool backupVF; // Backup mVUlow.VF_write.reg, and restore it before the Upper Instruction is called
bool doXGKICK; // Do XGKICK transfer on this instruction
bool doDivFlag; // Transfer Div flag to Status Flag on this instruction
int readQ; // Q instance for reading