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implement carry setting ALU op with imm

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This commit is contained in:
RSDuck
2020-07-25 22:08:43 +02:00
parent 8b83611d32
commit 887ad27ed8
4 changed files with 46 additions and 11 deletions
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20
src/ARMJIT_x64/ARMJIT_ALU.cpp
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@ -103,16 +103,30 @@ void Compiler::Comp_CmpOp(int op, Gen::OpArg rn, Gen::OpArg op2, bool carryUsed)
// also calculates cycles
OpArg Compiler::A_Comp_GetALUOp2(bool S, bool& carryUsed)
{
S = S && (CurInstr.SetFlags & 0x2);
if (CurInstr.Instr & (1 << 25))
{
Comp_AddCycles_C();
u32 shift = (CurInstr.Instr >> 7) & 0x1E;
u32 imm = ROR(CurInstr.Instr & 0xFF, shift);
carryUsed = false;
return Imm32(ROR(CurInstr.Instr & 0xFF, (CurInstr.Instr >> 7) & 0x1E));
if (S && shift)
{
CPSRDirty = true;
carryUsed = true;
if (imm & 0x80000000)
MOV(32, R(RSCRATCH2), Imm32(1));
else
XOR(32, R(RSCRATCH2), R(RSCRATCH2));
}
return Imm32(imm);
}
else
{
S = S && (CurInstr.SetFlags & 0x2);
int op = (CurInstr.Instr >> 5) & 0x3;
if (CurInstr.Instr & (1 << 4))
{