mirrors/dynarmic
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

emit_arm64_data_processing: Fix bug in EmitBitOp

Browse source
This commit is contained in:
Merry 2022-07-24 18:56:50 +01:00 committed by merry
parent 02cfbb8b0b
commit 7840caef6e
1 changed files with 6 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
src/dynarmic/backend/arm64/emit_arm64_data_processing.cpp
View file

@ -768,16 +768,16 @@ static void MaybeBitImm(oaknut::CodeGenerator& code, u64 imm, EmitFn emit_fn) {
template<size_t bitsize, typename EmitFn1, typename EmitFn2 = std::nullptr_t>
static void EmitBitOp(oaknut::CodeGenerator& code, EmitContext& ctx, IR::Inst* inst, EmitFn1 emit_without_flags, EmitFn2 emit_with_flags = nullptr) {
const auto nz_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetNZFromOp);
const auto nzcv_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetNZCVFromOp);
ASSERT(!(nz_inst && nzcv_inst));
const auto flag_inst = nz_inst ? nz_inst : nzcv_inst;
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
auto Rresult = ctx.reg_alloc.WriteReg<bitsize>(inst);
auto Ra = ctx.reg_alloc.ReadReg<bitsize>(args[0]);
if constexpr (!std::is_same_v<EmitFn2, std::nullptr_t>) {
const auto nz_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetNZFromOp);
const auto nzcv_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetNZCVFromOp);
ASSERT(!(nz_inst && nzcv_inst));
const auto flag_inst = nz_inst ? nz_inst : nzcv_inst;
if (flag_inst) {
auto Wflags = ctx.reg_alloc.WriteFlags(flag_inst);
@ -804,7 +804,7 @@ static void EmitBitOp(oaknut::CodeGenerator& code, EmitContext& ctx, IR::Inst* i
auto Rb = ctx.reg_alloc.ReadReg<bitsize>(args[1]);
RegAlloc::Realize(Rresult, Ra, Rb);
emit_without_flags(Rresult, Rb, Rb);
emit_without_flags(Rresult, Ra, Rb);
}
}