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microVU: Removed the use of an offset-register for referencing VI regs. 

It didn't make any noticeable difference speedwise, and removing it will make mVU macro code simpler.


git-svn-id: http://pcsx2.googlecode.com/svn/trunk@1703 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
cottonvibes 2009-08-28 22:50:55 +00:00
parent c2eb41f637
commit 6ab6749a53
8 changed files with 17 additions and 26 deletions
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9
pcsx2/x86/microVU_Alloc.inl
View File

@ -100,17 +100,16 @@ microVUt(void) mVUallocCFLAGb(mV, int reg, int fInstance) {
microVUt(void) mVUallocVIa(mV, int GPRreg, int _reg_) {
if (!_reg_) { XOR32RtoR(GPRreg, GPRreg); }
else { MOVZX32Rm16toR(GPRreg, gprR, (_reg_ - 9) * 16); }
else { MOVZX32M16toR(GPRreg, (uptr)&mVU->regs->VI[_reg_].UL); }
}
microVUt(void) mVUallocVIb(mV, int GPRreg, int _reg_) {
if (mVUlow.backupVI) { // Backs up reg to memory (used when VI is modified b4 a branch)
MOVZX32M16toR(gprR, (uptr)&mVU->regs->VI[_reg_].UL);
MOV32RtoM((uptr)&mVU->VIbackup, gprR);
MOV32ItoR(gprR, Roffset);
MOVZX32M16toR(gprT3, (uptr)&mVU->regs->VI[_reg_].UL);
MOV32RtoM((uptr)&mVU->VIbackup, gprT3);
}
if (_reg_ == 0) { return; }
else if (_reg_ < 16) { MOV16RtoRm(gprR, GPRreg, (_reg_ - 9) * 16); }
else if (_reg_ < 16) { MOV16RtoM((uptr)&mVU->regs->VI[_reg_].UL, GPRreg); }
}
//------------------------------------------------------------------

2
pcsx2/x86/microVU_Branch.inl
View File

@ -104,7 +104,7 @@ void normJumpCompile(mV, microFlagCycles& mFC, bool isEvilJump) {
if (isEvilJump) MOV32MtoR(gprT2, (uptr)&mVU->evilBranch);
else MOV32MtoR(gprT2, (uptr)&mVU->branch);
MOV32ItoR(gprR, (u32)&mVUpBlock->pStateEnd);
MOV32ItoR(gprT3, (u32)&mVUpBlock->pStateEnd);
if (!mVU->index) xCALL(mVUcompileJIT<0>); //(u32 startPC, uptr pState)
else xCALL(mVUcompileJIT<1>);

1
pcsx2/x86/microVU_Compile.inl
View File

@ -295,7 +295,6 @@ microVUt(void) mVUtestCycles(mV) {
MOV32ItoR(gprT2, (uptr)mVU);
if (isVU1) CALLFunc((uptr)mVUwarning1);
//else CALLFunc((uptr)mVUwarning0); // VU0 is allowed early exit for COP2 Interlock Simulation
MOV32ItoR(gprR, Roffset); // Restore gprR
mVUendProgram(mVU, NULL, 0);
if (!isVU1) x86SetJ32(vu0jmp);
x86SetJ32(jmp32);

2
pcsx2/x86/microVU_Execute.inl
View File

@ -40,9 +40,7 @@ void mVUdispatcherA(mV) {
SSE_LDMXCSR((uptr)&g_sseVUMXCSR);
// Load Regs
MOV32ItoR(gprR, Roffset); // Load VI Reg Offset
MOV32MtoR(gprF0, (uptr)&mVU->regs->VI[REG_STATUS_FLAG].UL);
MOV32RtoR(gprF1, gprF0);
SHR32ItoR(gprF1, 3);
AND32ItoR(gprF1, 0x18);

5
pcsx2/x86/microVU_Flags.inl
View File

@ -197,12 +197,11 @@ microVUt(void) mVUsetupFlags(mV, microFlagCycles& mFC) {
else {
MOV32RtoR(gprT1, getFlagReg1(bStatus[0]));
MOV32RtoR(gprT2, getFlagReg1(bStatus[1]));
MOV32RtoR(gprR, getFlagReg1(bStatus[2]));
MOV32RtoR(gprT3, getFlagReg1(bStatus[2]));
MOV32RtoR(gprF3, getFlagReg1(bStatus[3]));
MOV32RtoR(gprF0, gprT1);
MOV32RtoR(gprF1, gprT2);
MOV32RtoR(gprF2, gprR);
MOV32ItoR(gprR, Roffset); // Restore gprR
MOV32RtoR(gprF2, gprT3);
}
}

19
pcsx2/x86/microVU_Lower.inl
View File

@ -1030,23 +1030,22 @@ mVUop(mVU_RNEXT) {
pass1 { mVUanalyzeR2(mVU, _Ft_, 0); }
pass2 {
// algorithm from www.project-fao.org
MOV32MtoR(gprR, Rmem);
MOV32RtoR(gprT1, gprR);
MOV32MtoR(gprT3, Rmem);
MOV32RtoR(gprT1, gprT3);
SHR32ItoR(gprT1, 4);
AND32ItoR(gprT1, 1);
MOV32RtoR(gprT2, gprR);
MOV32RtoR(gprT2, gprT3);
SHR32ItoR(gprT2, 22);
AND32ItoR(gprT2, 1);
SHL32ItoR(gprR, 1);
SHL32ItoR(gprT3, 1);
XOR32RtoR(gprT1, gprT2);
XOR32RtoR(gprR, gprT1);
AND32ItoR(gprR, 0x007fffff);
OR32ItoR (gprR, 0x3f800000);
MOV32RtoM(Rmem, gprR);
mVU_RGET_(mVU, gprR);
MOV32ItoR(gprR, Roffset); // Restore gprR
XOR32RtoR(gprT3, gprT1);
AND32ItoR(gprT3, 0x007fffff);
OR32ItoR (gprT3, 0x3f800000);
MOV32RtoM(Rmem, gprT3);
mVU_RGET_(mVU, gprT3);
}
pass3 { mVUlog("RNEXT.%s vf%02d, R", _XYZW_String, _Ft_); }
}

4
pcsx2/x86/microVU_Misc.h
View File

@ -128,7 +128,7 @@ declareAllVariables
#define gprT1 0 // Temp Reg
#define gprT2 1 // Temp Reg
#define gprR 2 // VI Reg Offset
#define gprT3 2 // Temp Reg
#define gprF0 3 // Status Flag 0
#define gprESP 4 // Don't use?
#define gprF1 5 // Status Flag 1
@ -219,7 +219,6 @@ typedef u32 (__fastcall *mVUCall)(void*, void*);
#define shufflePQ (((mVU->p) ? 0xb0 : 0xe0) | ((mVU->q) ? 0x01 : 0x04))
#define cmpOffset(x) ((u8*)&(((u8*)x)[mVUprogI.ranges.range[i][0]]))
#define Rmem (uptr)&mVU->regs->VI[REG_R].UL
#define Roffset (uptr)&mVU->regs->VI[9].UL
#define aWrap(x, m) ((x > m) ? 0 : x)
#define shuffleSS(x) ((x==1)?(0x27):((x==2)?(0xc6):((x==4)?(0xe1):(0xe4))))
@ -287,6 +286,5 @@ typedef u32 (__fastcall *mVUCall)(void*, void*);
MOV32ItoR(gprT2, xPC); \
if (isEndPC) { CALLFunc((uptr)mVUprintPC2); } \
else { CALLFunc((uptr)mVUprintPC1); } \
MOV32ItoR(gprR, Roffset); \
} \
}

1
pcsx2/x86/microVU_Misc.inl
View File

@ -317,7 +317,6 @@ microVUt(void) mVUbackupRegs(microVU* mVU) {
// Restore Volatile Regs
microVUt(void) mVUrestoreRegs(microVU* mVU) {
SSE_MOVAPS_M128_to_XMM(xmmPQ, (uptr)&mVU->xmmPQb[0]);
MOV32ItoR(gprR, Roffset); // Restore gprR
}
//------------------------------------------------------------------