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PPCRec: Remove now unused PPC_ENTER and jumpMarkAddress

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This commit is contained in:
Exzap 2022-12-12 15:44:50 +01:00
parent 6cdcef880b
commit 0f1d7532a1
6 changed files with 31 additions and 85 deletions
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66
src/Cafe/HW/Espresso/Recompiler/PPCRecompilerImlGen.cpp
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@ -157,19 +157,19 @@ void PPCRecompilerImlGen_generateNewInstruction_jump(ppcImlGenContext_t* ppcImlG
{
__debugbreak();
// jump
if (imlInstruction == NULL)
imlInstruction = PPCRecompilerImlGen_generateNewEmptyInstruction(ppcImlGenContext);
else
memset(imlInstruction, 0, sizeof(IMLInstruction));
imlInstruction->type = PPCREC_IML_TYPE_CJUMP;
imlInstruction->crRegister = PPC_REC_INVALID_REGISTER;
imlInstruction->op_conditionalJump.jumpmarkAddress = jumpmarkAddress;
imlInstruction->op_conditionalJump.jumpAccordingToSegment = false;
imlInstruction->op_conditionalJump.condition = PPCREC_JUMP_CONDITION_NONE;
imlInstruction->op_conditionalJump.crRegisterIndex = 0;
imlInstruction->op_conditionalJump.crBitIndex = 0;
imlInstruction->op_conditionalJump.bitMustBeSet = false;
//// jump
//if (imlInstruction == NULL)
// imlInstruction = PPCRecompilerImlGen_generateNewEmptyInstruction(ppcImlGenContext);
//else
// memset(imlInstruction, 0, sizeof(IMLInstruction));
//imlInstruction->type = PPCREC_IML_TYPE_CJUMP;
//imlInstruction->crRegister = PPC_REC_INVALID_REGISTER;
//imlInstruction->op_conditionalJump.jumpmarkAddress = jumpmarkAddress;
//imlInstruction->op_conditionalJump.jumpAccordingToSegment = false;
//imlInstruction->op_conditionalJump.condition = PPCREC_JUMP_CONDITION_NONE;
//imlInstruction->op_conditionalJump.crRegisterIndex = 0;
//imlInstruction->op_conditionalJump.crBitIndex = 0;
//imlInstruction->op_conditionalJump.bitMustBeSet = false;
}
// jump based on segment branches
@ -178,10 +178,8 @@ void PPCRecompilerImlGen_generateNewInstruction_jumpSegment(ppcImlGenContext_t*
// jump
if (imlInstruction == NULL)
imlInstruction = PPCRecompilerImlGen_generateNewEmptyInstruction(ppcImlGenContext);
imlInstruction->associatedPPCAddress = 0;
imlInstruction->type = PPCREC_IML_TYPE_CJUMP;
imlInstruction->crRegister = PPC_REC_INVALID_REGISTER;
imlInstruction->op_conditionalJump.jumpmarkAddress = 0;
imlInstruction->op_conditionalJump.jumpAccordingToSegment = true;
imlInstruction->op_conditionalJump.condition = PPCREC_JUMP_CONDITION_NONE;
imlInstruction->op_conditionalJump.crRegisterIndex = 0;
@ -218,16 +216,16 @@ void PPCRecompilerImlGen_generateNewInstruction_conditionalJump(ppcImlGenContext
{
__debugbreak();
// conditional jump
IMLInstruction* imlInstruction = PPCRecompilerImlGen_generateNewEmptyInstruction(ppcImlGenContext);
imlInstruction->type = PPCREC_IML_TYPE_CJUMP;
imlInstruction->crRegister = PPC_REC_INVALID_REGISTER;
imlInstruction->op_conditionalJump.jumpAccordingToSegment = false;
imlInstruction->op_conditionalJump.jumpmarkAddress = jumpmarkAddress;
imlInstruction->op_conditionalJump.condition = jumpCondition;
imlInstruction->op_conditionalJump.crRegisterIndex = crRegisterIndex;
imlInstruction->op_conditionalJump.crBitIndex = crBitIndex;
imlInstruction->op_conditionalJump.bitMustBeSet = bitMustBeSet;
//// conditional jump
//IMLInstruction* imlInstruction = PPCRecompilerImlGen_generateNewEmptyInstruction(ppcImlGenContext);
//imlInstruction->type = PPCREC_IML_TYPE_CJUMP;
//imlInstruction->crRegister = PPC_REC_INVALID_REGISTER;
//imlInstruction->op_conditionalJump.jumpAccordingToSegment = false;
//imlInstruction->op_conditionalJump.jumpmarkAddress = jumpmarkAddress;
//imlInstruction->op_conditionalJump.condition = jumpCondition;
//imlInstruction->op_conditionalJump.crRegisterIndex = crRegisterIndex;
//imlInstruction->op_conditionalJump.crBitIndex = crBitIndex;
//imlInstruction->op_conditionalJump.bitMustBeSet = bitMustBeSet;
}
void PPCRecompilerImlGen_generateNewInstruction_conditionalJumpSegment(ppcImlGenContext_t* ppcImlGenContext, uint32 jumpCondition, uint32 crRegisterIndex, uint32 crBitIndex, bool bitMustBeSet)
@ -4073,26 +4071,12 @@ void PPCRecompiler_HandleCycleCheckCount(ppcImlGenContext_t& ppcImlGenContext, P
// exclude non-infinite tight loops
if (IMLAnalyzer_IsTightFiniteLoop(imlSegment))
return;
// potential loop segment found, split this segment into four:
// P0: This segment checks if the remaining cycles counter is still above zero. If yes, it jumps to segment P2 (it's also the jump destination for other segments)
// P1: This segment contains the ppc_leave instruction
// P2: This segment contains the iml instructions of the original segment
// PEntry: This segment is used to enter the function, it jumps to P0
// All segments are considered to be part of the same PPC instruction range
// The first segment also retains the jump destination and enterable properties from the original segment.
//debug_printf("--- Insert cycle counter check ---\n");
// make the segment enterable so execution can return after checking
// make the segment enterable so execution can return after passing a check
basicBlockInfo.GetFirstSegmentInChain()->SetEnterable(basicBlockInfo.startAddress);
IMLSegment* splitSeg = PPCIMLGen_CreateSplitSegmentAtEnd(ppcImlGenContext, basicBlockInfo);
IMLInstruction* inst = splitSeg->AppendInstruction();
inst->type = PPCREC_IML_TYPE_CJUMP_CYCLE_CHECK;
inst->operation = 0;
inst->crRegister = PPC_REC_INVALID_REGISTER;
inst->op_conditionalJump.jumpmarkAddress = 0xFFFFFFFF;
inst->associatedPPCAddress = 0xFFFFFFFF;
splitSeg->AppendInstruction()->make_cjump_cycle_check();
IMLSegment* exitSegment = ppcImlGenContext.NewSegment();
splitSeg->SetLinkBranchTaken(exitSegment);