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PPCRec: Implement MFCR and MTCRF

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This commit is contained in:
Exzap 2023-03-13 05:10:34 +01:00
parent 9dd4f9b9a3
commit 1cc458c543
12 changed files with 60 additions and 921 deletions
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62
src/Cafe/HW/Espresso/Recompiler/PPCRecompilerImlGen.cpp
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@ -168,7 +168,7 @@ IMLName PPCRecompilerImlGen_GetRegName(ppcImlGenContext_t* ppcImlGenContext, IML
uint32 PPCRecompilerImlGen_getAndLockFreeTemporaryFPR(ppcImlGenContext_t* ppcImlGenContext, uint32 mappedName)
{
__debugbreak();
DEBUG_BREAK;
//if( mappedName == PPCREC_NAME_NONE )
//{
// debug_printf("PPCRecompilerImlGen_getAndLockFreeTemporaryFPR(): Invalid mappedName parameter\n");
@ -187,7 +187,7 @@ uint32 PPCRecompilerImlGen_getAndLockFreeTemporaryFPR(ppcImlGenContext_t* ppcIml
uint32 PPCRecompilerImlGen_findFPRRegisterByMappedName(ppcImlGenContext_t* ppcImlGenContext, uint32 mappedName)
{
__debugbreak();
DEBUG_BREAK;
//for(uint32 i=0; i<255; i++)
//{
// if( ppcImlGenContext->mappedFPRRegister[i] == mappedName )
@ -242,14 +242,6 @@ IMLReg _GetRegTemporaryS8(ppcImlGenContext_t* ppcImlGenContext, uint32 index)
*/
IMLReg PPCRecompilerImlGen_loadFPRRegister(ppcImlGenContext_t* ppcImlGenContext, uint32 mappedName, bool loadNew)
{
//if( loadNew == false )
//{
// uint32 loadedRegisterIndex = PPCRecompilerImlGen_findFPRRegisterByMappedName(ppcImlGenContext, mappedName);
// if( loadedRegisterIndex != PPC_REC_INVALID_REGISTER )
// return IMLReg(IMLRegFormat::F64, IMLRegFormat::F64, 0, loadedRegisterIndex);
//}
//uint32 registerIndex = PPCRecompilerImlGen_getAndLockFreeTemporaryFPR(ppcImlGenContext, mappedName);
//return IMLReg(IMLRegFormat::F64, IMLRegFormat::F64, 0, registerIndex);
return PPCRecompilerImlGen_LookupReg(ppcImlGenContext, mappedName, IMLRegFormat::F64);
}
@ -259,11 +251,6 @@ IMLReg PPCRecompilerImlGen_loadFPRRegister(ppcImlGenContext_t* ppcImlGenContext,
*/
IMLReg PPCRecompilerImlGen_loadOverwriteFPRRegister(ppcImlGenContext_t* ppcImlGenContext, uint32 mappedName)
{
//uint32 loadedRegisterIndex = PPCRecompilerImlGen_findFPRRegisterByMappedName(ppcImlGenContext, mappedName);
//if( loadedRegisterIndex != PPC_REC_INVALID_REGISTER )
// return IMLReg(IMLRegFormat::F64, IMLRegFormat::F64, 0, loadedRegisterIndex);
//uint32 registerIndex = PPCRecompilerImlGen_getAndLockFreeTemporaryFPR(ppcImlGenContext, mappedName);
//return IMLReg(IMLRegFormat::F64, IMLRegFormat::F64, 0, registerIndex);
return PPCRecompilerImlGen_LookupReg(ppcImlGenContext, mappedName, IMLRegFormat::F64);
}
@ -434,27 +421,38 @@ bool PPCRecompilerImlGen_MFTB(ppcImlGenContext_t* ppcImlGenContext, uint32 opcod
bool PPCRecompilerImlGen_MFCR(ppcImlGenContext_t* ppcImlGenContext, uint32 opcode)
{
printf("MFCR: Not implemented\n");
return false;
//sint32 rD, rA, rB;
//PPC_OPC_TEMPL_X(opcode, rD, rA, rB);
//uint32 gprReg = PPCRecompilerImlGen_loadOverwriteRegister(ppcImlGenContext, PPCREC_NAME_R0 + rD);
//ppcImlGenContext->emitInst().make_r_s32(PPCREC_IML_OP_MFCR, gprReg, 0);
//return true;
sint32 rD, rA, rB;
PPC_OPC_TEMPL_X(opcode, rD, rA, rB);
IMLReg regD = _GetRegGPR(ppcImlGenContext, rD);
ppcImlGenContext->emitInst().make_r_s32(PPCREC_IML_OP_ASSIGN, regD, 0);
for (sint32 i = 0; i < 32; i++)
{
IMLReg regCrBit = _GetRegCR(ppcImlGenContext, i);
cemu_assert_debug(regCrBit.GetRegFormat() == IMLRegFormat::I32); // addition is only allowed between same-format regs
ppcImlGenContext->emitInst().make_r_r_s32(PPCREC_IML_OP_LEFT_SHIFT, regD, regD, 1);
ppcImlGenContext->emitInst().make_r_r_r(PPCREC_IML_OP_ADD, regD, regD, regCrBit);
}
return true;
}
bool PPCRecompilerImlGen_MTCRF(ppcImlGenContext_t* ppcImlGenContext, uint32 opcode)
{
printf("MTCRF: Not implemented\n");
return false;
//uint32 rS;
//uint32 crMask;
//PPC_OPC_TEMPL_XFX(opcode, rS, crMask);
//uint32 gprReg = PPCRecompilerImlGen_loadOverwriteRegister(ppcImlGenContext, PPCREC_NAME_R0 + rS);
//ppcImlGenContext->emitInst().make_r_s32(PPCREC_IML_OP_MTCRF, gprReg, crMask);
//return true;
uint32 rS;
uint32 crMask;
PPC_OPC_TEMPL_XFX(opcode, rS, crMask);
IMLReg regS = _GetRegGPR(ppcImlGenContext, rS);
IMLReg regTmp = _GetRegTemporary(ppcImlGenContext, 0);
uint32 crBitMask = ppc_MTCRFMaskToCRBitMask(crMask);
for (sint32 f = 0; f < 32; f++)
{
if(((crBitMask >> f) & 1) == 0)
continue;
IMLReg regCrBit = _GetRegCR(ppcImlGenContext, f);
cemu_assert_debug(regCrBit.GetRegFormat() == IMLRegFormat::I32);
ppcImlGenContext->emitInst().make_r_r_s32(PPCREC_IML_OP_RIGHT_SHIFT_U, regTmp, regS, (31-f));
ppcImlGenContext->emitInst().make_r_r_s32(PPCREC_IML_OP_AND, regCrBit, regTmp, 1);
}
return true;
}
void PPCRecompilerImlGen_CMP(ppcImlGenContext_t* ppcImlGenContext, uint32 opcode, bool isUnsigned)