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PowerPC recompiler rework (#641)

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Exzap 2025-04-26 17:59:32 +02:00 • committed by GitHub
parent 06233e3462
commit b089ae5b32
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GPG key ID: B5690EEEBB952194
54 changed files with 15433 additions and 12397 deletions
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20
src/Cafe/HW/Espresso/Interpreter/PPCInterpreterALU.hpp
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@ -3,12 +3,12 @@ static void PPCInterpreter_setXerOV(PPCInterpreter_t* hCPU, bool hasOverflow)
{
if (hasOverflow)
{
hCPU->spr.XER |= XER_SO;
hCPU->spr.XER |= XER_OV;
hCPU->xer_so = 1;
hCPU->xer_ov = 1;
}
else
{
hCPU->spr.XER &= ~XER_OV;
hCPU->xer_ov = 0;
}
}
@ -246,7 +246,7 @@ static void PPCInterpreter_SUBFCO(PPCInterpreter_t* hCPU, uint32 opcode)
uint32 a = hCPU->gpr[rA];
uint32 b = hCPU->gpr[rB];
hCPU->gpr[rD] = ~a + b + 1;
// update xer
// update carry
if (ppc_carry_3(~a, b, 1))
hCPU->xer_ca = 1;
else
@ -848,8 +848,7 @@ static void PPCInterpreter_CMP(PPCInterpreter_t* hCPU, uint32 opcode)
hCPU->cr[cr * 4 + CR_BIT_GT] = 1;
else
hCPU->cr[cr * 4 + CR_BIT_EQ] = 1;
if ((hCPU->spr.XER & XER_SO) != 0)
hCPU->cr[cr * 4 + CR_BIT_SO] = 1;
hCPU->cr[cr * 4 + CR_BIT_SO] = hCPU->xer_so;
PPCInterpreter_nextInstruction(hCPU);
}
@ -871,8 +870,7 @@ static void PPCInterpreter_CMPL(PPCInterpreter_t* hCPU, uint32 opcode)
hCPU->cr[cr * 4 + CR_BIT_GT] = 1;
else
hCPU->cr[cr * 4 + CR_BIT_EQ] = 1;
if ((hCPU->spr.XER & XER_SO) != 0)
hCPU->cr[cr * 4 + CR_BIT_SO] = 1;
hCPU->cr[cr * 4 + CR_BIT_SO] = hCPU->xer_so;
PPCInterpreter_nextInstruction(hCPU);
}
@ -895,8 +893,7 @@ static void PPCInterpreter_CMPI(PPCInterpreter_t* hCPU, uint32 opcode)
hCPU->cr[cr * 4 + CR_BIT_GT] = 1;
else
hCPU->cr[cr * 4 + CR_BIT_EQ] = 1;
if (hCPU->spr.XER & XER_SO)
hCPU->cr[cr * 4 + CR_BIT_SO] = 1;
hCPU->cr[cr * 4 + CR_BIT_SO] = hCPU->xer_so;
PPCInterpreter_nextInstruction(hCPU);
}
@ -919,8 +916,7 @@ static void PPCInterpreter_CMPLI(PPCInterpreter_t* hCPU, uint32 opcode)
hCPU->cr[cr * 4 + CR_BIT_GT] = 1;
else
hCPU->cr[cr * 4 + CR_BIT_EQ] = 1;
if (hCPU->spr.XER & XER_SO)
hCPU->cr[cr * 4 + CR_BIT_SO] = 1;
hCPU->cr[cr * 4 + CR_BIT_SO] = hCPU->xer_so;
PPCInterpreter_nextInstruction(hCPU);
}