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

emit_arm64_packed: Implement PackedSubU8

Browse source
This commit is contained in:
Merry 2022-07-26 16:31:43 +01:00 committed by merry
parent 0b53290dd7
commit 2076495d9e
1 changed files with 17 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
src/dynarmic/backend/arm64/emit_arm64_packed.cpp
View file

@ -74,10 +74,23 @@ void EmitIR<IR::Opcode::PackedAddS8>(oaknut::CodeGenerator& code, EmitContext& c
template<>
void EmitIR<IR::Opcode::PackedSubU8>(oaknut::CodeGenerator& code, EmitContext& ctx, IR::Inst* inst) {
(void)code;
(void)ctx;
(void)inst;
ASSERT_FALSE("Unimplemented");
const auto ge_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetGEFromOp);
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
auto Vresult = ctx.reg_alloc.WriteD(inst);
auto Va = ctx.reg_alloc.ReadD(args[0]);
auto Vb = ctx.reg_alloc.ReadD(args[1]);
RegAlloc::Realize(Vresult, Va, Vb);
code.SUB(Vresult->B8(), Va->B8(), Vb->B8());
if (ge_inst) {
auto Vge = ctx.reg_alloc.WriteD(ge_inst);
RegAlloc::Realize(Vge);
code.UHSUB(Vge->B8(), Va->B8(), Vb->B8());
code.CMGE(Vge->B8(), Vge->B8(), 0);
}
}
template<>