emit_arm64_packed: Implement PackedSubU16

This commit is contained in:
Merry 2022-07-26 16:34:34 +01:00 committed by merry
parent fb6ac45259
commit 1810bd6547

View file

@ -157,10 +157,23 @@ void EmitIR<IR::Opcode::PackedAddS16>(oaknut::CodeGenerator& code, EmitContext&
template<> template<>
void EmitIR<IR::Opcode::PackedSubU16>(oaknut::CodeGenerator& code, EmitContext& ctx, IR::Inst* inst) { void EmitIR<IR::Opcode::PackedSubU16>(oaknut::CodeGenerator& code, EmitContext& ctx, IR::Inst* inst) {
(void)code; const auto ge_inst = inst->GetAssociatedPseudoOperation(IR::Opcode::GetGEFromOp);
(void)ctx;
(void)inst; auto args = ctx.reg_alloc.GetArgumentInfo(inst);
ASSERT_FALSE("Unimplemented"); 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->H4(), Va->H4(), Vb->H4());
if (ge_inst) {
auto Vge = ctx.reg_alloc.WriteD(ge_inst);
RegAlloc::Realize(Vge);
code.UHSUB(Vge->H4(), Va->H4(), Vb->H4());
code.CMGE(Vge->H4(), Vge->H4(), 0);
}
} }
template<> template<>