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IOP: Deleted micro-optimisation in what's already not a speed critical recompiler which was corrupting code in experimental modifications. 

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@3620 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
sudonim1 2010-08-07 13:47:02 +00:00
parent 5cb169be42
commit d7a09fa4d7
1 changed files with 18 additions and 134 deletions
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152
pcsx2/x86/iR3000Atables.cpp
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@ -970,28 +970,22 @@ void rpsxJALR()
}
//// BEQ
static void* s_pbranchjmp;
static u32 s_do32 = 0;
#define JUMPVALID(pjmp) (( x86Ptr - (u8*)pjmp ) <= 0x80)
static u32* s_pbranchjmp;
void rpsxSetBranchEQ(int info, int process)
{
if( process & PROCESS_CONSTS ) {
CMP32ItoM( (uptr)&psxRegs.GPR.r[ _Rt_ ], g_psxConstRegs[_Rs_] );
if( s_do32 ) s_pbranchjmp = JNE32( 0 );
else s_pbranchjmp = JNE8( 0 );
s_pbranchjmp = JNE32( 0 );
}
else if( process & PROCESS_CONSTT ) {
CMP32ItoM( (uptr)&psxRegs.GPR.r[ _Rs_ ], g_psxConstRegs[_Rt_] );
if( s_do32 ) s_pbranchjmp = JNE32( 0 );
else s_pbranchjmp = JNE8( 0 );
s_pbranchjmp = JNE32( 0 );
}
else {
MOV32MtoR( EAX, (uptr)&psxRegs.GPR.r[ _Rs_ ] );
CMP32MtoR( EAX, (uptr)&psxRegs.GPR.r[ _Rt_ ] );
if( s_do32 ) s_pbranchjmp = JNE32( 0 );
else s_pbranchjmp = JNE8( 0 );
s_pbranchjmp = JNE32( 0 );
}
}
@ -1020,8 +1014,6 @@ void rpsxBEQ_process(int info, int process)
else
{
_psxFlushAllUnused();
u8* prevx86 = x86Ptr;
s_do32 = 0;
psxSaveBranchState();
rpsxSetBranchEQ(info, process);
@ -1029,20 +1021,7 @@ void rpsxBEQ_process(int info, int process)
psxRecompileNextInstruction(1);
psxSetBranchImm(branchTo);
if( JUMPVALID(s_pbranchjmp) ) {
x86SetJ8A( (u8*)s_pbranchjmp );
}
else {
x86SetPtr( prevx86 );
s_do32 = 1;
psxpc -= 4;
psxRegs.code = iopMemRead32( psxpc - 4 );
psxLoadBranchState();
rpsxSetBranchEQ(info, process);
psxRecompileNextInstruction(1);
psxSetBranchImm(branchTo);
x86SetJ32A( (u32*)s_pbranchjmp );
}
x86SetJ32A( s_pbranchjmp );
// recopy the next inst
psxpc -= 4;
@ -1084,28 +1063,13 @@ void rpsxBNE_process(int info, int process)
}
_psxFlushAllUnused();
u8* prevx86 = x86Ptr;
s_do32 = 0;
rpsxSetBranchEQ(info, process);
psxSaveBranchState();
psxRecompileNextInstruction(1);
psxSetBranchImm(psxpc);
if( JUMPVALID(s_pbranchjmp) ) {
x86SetJ8A( (u8*)s_pbranchjmp );
}
else {
x86SetPtr( prevx86 );
s_do32 = 1;
psxpc -= 4;
psxRegs.code = iopMemRead32( psxpc - 4 );
psxLoadBranchState();
rpsxSetBranchEQ(info, process);
psxRecompileNextInstruction(1);
psxSetBranchImm(psxpc);
x86SetJ32A( (u32*)s_pbranchjmp );
}
x86SetJ32A( s_pbranchjmp );
// recopy the next inst
psxpc -= 4;
@ -1138,27 +1102,14 @@ void rpsxBLTZ()
}
CMP32ItoM((uptr)&psxRegs.GPR.r[_Rs_], 0);
u8* prevx86 = x86Ptr;
u8* pjmp = JL8(0);
u32* pjmp = JL32(0);
psxSaveBranchState();
psxRecompileNextInstruction(1);
psxSetBranchImm(psxpc);
if( JUMPVALID(pjmp) ) {
x86SetJ8A( pjmp );
}
else {
x86SetPtr( prevx86 );
psxpc -= 4;
psxRegs.code = iopMemRead32( psxpc - 4 );
psxLoadBranchState();
u32* pjmp32 = JL32(0);
psxRecompileNextInstruction(1);
psxSetBranchImm(psxpc);
x86SetJ32A( pjmp32 );
}
x86SetJ32A( pjmp );
// recopy the next inst
psxpc -= 4;
@ -1185,27 +1136,14 @@ void rpsxBGEZ()
}
CMP32ItoM((uptr)&psxRegs.GPR.r[_Rs_], 0);
u8* prevx86 = x86Ptr;
u8* pjmp = JGE8(0);
u32* pjmp = JGE32(0);
psxSaveBranchState();
psxRecompileNextInstruction(1);
psxSetBranchImm(psxpc);
if( JUMPVALID(pjmp) ) {
x86SetJ8A( pjmp );
}
else {
x86SetPtr( prevx86 );
psxpc -= 4;
psxRegs.code = iopMemRead32( psxpc - 4 );
psxLoadBranchState();
u32* pjmp32 = JGE32(0);
psxRecompileNextInstruction(1);
psxSetBranchImm(psxpc);
x86SetJ32A( pjmp32 );
}
x86SetJ32A( pjmp );
// recopy the next inst
psxpc -= 4;
@ -1239,8 +1177,7 @@ void rpsxBLTZAL()
}
CMP32ItoM((uptr)&psxRegs.GPR.r[_Rs_], 0);
u8* prevx86 = x86Ptr;
u8* pjmp = JL8(0);
u32* pjmp = JL32(0);
psxSaveBranchState();
@ -1249,20 +1186,7 @@ void rpsxBLTZAL()
psxSetBranchImm(psxpc);
if( JUMPVALID(pjmp) ) {
x86SetJ8A( pjmp );
}
else {
x86SetPtr( prevx86 );
psxpc -= 4;
psxRegs.code = iopMemRead32( psxpc - 4 );
psxLoadBranchState();
u32* pjmp32 = JL32(0);
MOV32ItoM((uptr)&psxRegs.GPR.r[31], psxpc+4);
psxRecompileNextInstruction(1);
psxSetBranchImm(psxpc);
x86SetJ32A( pjmp32 );
}
x86SetJ32A( pjmp );
// recopy the next inst
psxpc -= 4;
@ -1293,8 +1217,7 @@ void rpsxBGEZAL()
}
CMP32ItoM((uptr)&psxRegs.GPR.r[_Rs_], 0);
u8* prevx86 = x86Ptr;
u8* pjmp = JGE8(0);
u32* pjmp = JGE32(0);
MOV32ItoM((uptr)&psxRegs.GPR.r[31], psxpc+4);
@ -1303,20 +1226,7 @@ void rpsxBGEZAL()
psxSetBranchImm(psxpc);
if( JUMPVALID(pjmp) ) {
x86SetJ8A( pjmp );
}
else {
x86SetPtr( prevx86 );
psxpc -= 4;
psxRegs.code = iopMemRead32( psxpc - 4 );
psxLoadBranchState();
u32* pjmp32 = JGE32(0);
MOV32ItoM((uptr)&psxRegs.GPR.r[31], psxpc+4);
psxRecompileNextInstruction(1);
psxSetBranchImm(psxpc);
x86SetJ32A( pjmp32 );
}
x86SetJ32A( pjmp );
// recopy the next inst
psxpc -= 4;
@ -1347,26 +1257,13 @@ void rpsxBLEZ()
_clearNeededX86regs();
CMP32ItoM((uptr)&psxRegs.GPR.r[_Rs_], 0);
u8* prevx86 = x86Ptr;
u8* pjmp = JLE8(0);
u32* pjmp = JLE32(0);
psxSaveBranchState();
psxRecompileNextInstruction(1);
psxSetBranchImm(psxpc);
if( JUMPVALID(pjmp) ) {
x86SetJ8A( pjmp );
}
else {
x86SetPtr( prevx86 );
psxpc -= 4;
psxRegs.code = iopMemRead32( psxpc - 4 );
psxLoadBranchState();
u32* pjmp32 = JLE32(0);
psxRecompileNextInstruction(1);
psxSetBranchImm(psxpc);
x86SetJ32A( pjmp32 );
}
x86SetJ32A( pjmp );
psxpc -= 4;
psxLoadBranchState();
@ -1395,26 +1292,13 @@ void rpsxBGTZ()
_clearNeededX86regs();
CMP32ItoM((uptr)&psxRegs.GPR.r[_Rs_], 0);
u8* prevx86 = x86Ptr;
u8* pjmp = JG8(0);
u32* pjmp = JG32(0);
psxSaveBranchState();
psxRecompileNextInstruction(1);
psxSetBranchImm(psxpc);
if( JUMPVALID(pjmp) ) {
x86SetJ8A( pjmp );
}
else {
x86SetPtr( prevx86 );
psxpc -= 4;
psxRegs.code = iopMemRead32( psxpc - 4 );
psxLoadBranchState();
u32* pjmp32 = JG32(0);
psxRecompileNextInstruction(1);
psxSetBranchImm(psxpc);
x86SetJ32A( pjmp32 );
}
x86SetJ32A( pjmp );
psxpc -= 4;
psxLoadBranchState();