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HUGE performance boost thanks to advice from @fleroviux ❤️

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CocoSimone
2023-02-19 19:21:38 +01:00
parent 6b916831b7
commit bead7e55bc
6 changed files with 58 additions and 56 deletions
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48
src/backend/core/Interpreter.cpp
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@@ -21,30 +21,36 @@ inline void CheckCompareInterrupt(MI& mi, Registers& regs) {
}
}
void Interpreter::Step(Mem& mem) {
CheckCompareInterrupt(mem.mmio.mi, regs);
int Interpreter::Run(Mem& mem) {
MMIO& mmio = mem.mmio;
int count = 0;
for(;count <= mmio.vi.cyclesPerHalfline; count++) {
CheckCompareInterrupt(mem.mmio.mi, regs);
regs.prevDelaySlot = regs.delaySlot;
regs.delaySlot = false;
regs.prevDelaySlot = regs.delaySlot;
regs.delaySlot = false;
u32 paddr = 0;
if(!MapVAddr(regs, LOAD, regs.pc, paddr)) {
HandleTLBException(regs, regs.pc);
FireException(regs, GetTLBExceptionCode(regs.cop0.tlbError, LOAD), 0, false);
return;
u32 paddr = 0;
if(!MapVAddr(regs, LOAD, regs.pc, paddr)) {
HandleTLBException(regs, regs.pc);
FireException(regs, GetTLBExceptionCode(regs.cop0.tlbError, LOAD), 0, false);
return count;
}
u32 instruction = mem.Read32(regs, paddr);
if(ShouldServiceInterrupt(regs)) {
FireException(regs, ExceptionCode::Interrupt, 0, false);
return count;
}
regs.oldPC = regs.pc;
regs.pc = regs.nextPC;
regs.nextPC += 4;
Exec(mem, instruction);
}
u32 instruction = mem.Read32(regs, paddr);
if(ShouldServiceInterrupt(regs)) {
FireException(regs, ExceptionCode::Interrupt, 0, false);
return;
}
regs.oldPC = regs.pc;
regs.pc = regs.nextPC;
regs.nextPC += 4;
Exec(mem, instruction);
return count;
}
}