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emit_arm64_packed: Implement PackedSubS8

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Merry 2022-07-26 16:32:35 +01:00 committed by merry
parent 2076495d9e
commit fb6ac45259
1 changed files with 17 additions and 4 deletions
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21
src/dynarmic/backend/arm64/emit_arm64_packed.cpp
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@ -95,10 +95,23 @@ void EmitIR<IR::Opcode::PackedSubU8>(oaknut::CodeGenerator& code, EmitContext& c
template<> template<>
void EmitIR<IR::Opcode::PackedSubS8>(oaknut::CodeGenerator& code, EmitContext& ctx, IR::Inst* inst) { void EmitIR<IR::Opcode::PackedSubS8>(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->B8(), Va->B8(), Vb->B8());
if (ge_inst) {
auto Vge = ctx.reg_alloc.WriteD(ge_inst);
RegAlloc::Realize(Vge);
code.SHSUB(Vge->B8(), Va->B8(), Vb->B8());
code.CMGE(Vge->B8(), Vge->B8(), 0);
}
} }
template<> template<>