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[PPC64LE_DYNAREC] Add stack and basic opcodes (PUSH/POP, NOP, XCHG, LEAVE) #3620

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Merged
ptitSeb merged 3 commits into from
Mar 9, 2026
Merged

[PPC64LE_DYNAREC] Add stack and basic opcodes (PUSH/POP, NOP, XCHG, LEAVE) #3620

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28ef469
[PPC64LE_DYNAREC] Add NOP and XCHG EAX,Reg opcodes (0x90-0x97)
runlevel5 Mar 6, 2026
e457082
[PPC64LE_DYNAREC] Add PUSH reg and POP reg opcodes (0x50-0x5F)
runlevel5 Mar 6, 2026
79421be
[PPC64LE_DYNAREC] Add LEAVE opcode (0xC9)
runlevel5 Mar 6, 2026
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51 changes: 51 additions & 0 deletions src/dynarec/ppc64le/dynarec_ppc64le_00.c
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,34 @@ uintptr_t dynarec64_00(dynarec_ppc64le_t* dyn, uintptr_t addr, uintptr_t ip, int
opcode = F8;

switch (opcode) {
case 0x50:
case 0x51:
case 0x52:
case 0x53:
case 0x54:
case 0x55:
case 0x56:
case 0x57:
INST_NAME("PUSH reg");
SCRATCH_USAGE(0);
gd = TO_NAT((opcode & 0x07) + (rex.b << 3));
PUSH1z(gd);
SMWRITE();
break;
case 0x58:
case 0x59:
case 0x5A:
case 0x5B:
case 0x5C:
case 0x5D:
case 0x5E:
case 0x5F:
INST_NAME("POP reg");
SCRATCH_USAGE(0);
SMREAD();
gd = TO_NAT((opcode & 0x07) + (rex.b << 3));
POP1z(gd);
break;
case 0x89:
INST_NAME("MOV Ed, Gd");
nextop = F8;
Expand Down Expand Up @@ -110,6 +138,29 @@ uintptr_t dynarec64_00(dynarec_ppc64le_t* dyn, uintptr_t addr, uintptr_t ip, int
}
}
break;
case 0x90:
case 0x91:
case 0x92:
case 0x93:
case 0x94:
case 0x95:
case 0x96:
case 0x97:
gd = TO_NAT((opcode & 0x07) + (rex.b << 3));
if (gd == xRAX) {
INST_NAME("NOP");
} else {
INST_NAME("XCHG EAX, Reg");
MVxw(x2, xRAX);
MVxw(xRAX, gd);
MVxw(gd, x2);
}
break;
case 0xC9:
INST_NAME("LEAVE");
MVz(xRSP, xRBP);
POP1z(xRBP);
break;

default:
DEFAULT;
Expand Down
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