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better jit macros

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This commit is contained in:
SimoneN64
2023-12-08 18:43:29 +01:00
parent aca784eb58
commit f5ed20ea99
3 changed files with 248 additions and 126 deletions
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24
src/backend/core/JIT.cpp
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@@ -35,25 +35,23 @@ Fn JIT::Recompile() {
cycles = 0;
prologue();
mov(rbp, u64(this));
mov(rdi, u64(this) + offsetof(JIT, regs));
mov(rdi, u64(this) + THIS_OFFSET(regs));
while(stable) {
cycles++;
CheckCompareInterrupt();
mov(rax, byte[rdi + offsetof(Registers, delaySlot)]);
mov(byte[rdi + offsetof(Registers, prevDelaySlot)], rax);
mov(byte[rdi + offsetof(Registers, delaySlot)], 0);
mov(rax, REG(byte, delaySlot));
mov(REG(byte, prevDelaySlot), rax);
mov(REG(byte, delaySlot), 0);
u32 paddr = 0;
if (!MapVAddr(regs, LOAD, regs.pc, paddr)) {
mov(rsi, regs.pc);
push(rax);
call(HandleTLBException);
emitCall(HandleTLBException);
mov(rsi, u64(GetTLBExceptionCode(regs.cop0.tlbError, LOAD)));
CodeGenerator::xor_(rdx, rdx);
CodeGenerator::xor_(rcx, rcx);
push(rax);
call(FireException);
emitCall(FireException);
goto _epilogue;
}
@@ -70,11 +68,11 @@ Fn JIT::Recompile() {
goto _epilogue;
}
mov(rax, qword[rdi + offsetof(Registers, pc)]);
mov(qword[rdi + offsetof(Registers, oldPC)], rax);
mov(rax, qword[rdi + offsetof(Registers, nextPC)]);
mov(qword[rdi + offsetof(Registers, pc)], rax);
CodeGenerator::add(qword[rdi + offsetof(Registers, nextPC)], 4);
mov(rax, REG(qword, pc));
mov(REG(qword, oldPC), rax);
mov(rax, REG(qword, nextPC));
mov(REG(qword, pc), rax);
CodeGenerator::add(REG(qword, nextPC), 4);
}
_epilogue:
epilogue();