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emit_arm64_vector_floating_point: Simplify FPVectorAbs16

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Merry 2022-11-29 14:14:17 +00:00 committed by Liam
parent cf704a460d
commit 73eecfbaef
1 changed files with 3 additions and 9 deletions
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src/dynarmic/backend/arm64/emit_arm64_vector_floating_point.cpp
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@ -294,17 +294,11 @@ static void EmitTwoOpFallback(oaknut::CodeGenerator& code, EmitContext& ctx, IR:
template<> template<>
void EmitIR<IR::Opcode::FPVectorAbs16>(oaknut::CodeGenerator& code, EmitContext& ctx, IR::Inst* inst) { void EmitIR<IR::Opcode::FPVectorAbs16>(oaknut::CodeGenerator& code, EmitContext& ctx, IR::Inst* inst) {
constexpr u16 non_sign_mask = FP::FPInfo<u16>::sign_mask - u16{1u};
constexpr u64 non_sign_mask64 = mcl::bit::replicate_element<16, u64>(non_sign_mask);
auto args = ctx.reg_alloc.GetArgumentInfo(inst); auto args = ctx.reg_alloc.GetArgumentInfo(inst);
auto Qoperand = ctx.reg_alloc.ReadQ(args[0]); auto Qresult = ctx.reg_alloc.ReadWriteQ(args[0], inst);
auto Qresult = ctx.reg_alloc.WriteQ(inst); RegAlloc::Realize(Qresult);
RegAlloc::Realize(Qoperand, Qresult);
code.MOV(Xscratch0, non_sign_mask64); code.BIC(Qresult->H8(), 0b10000000, LSL, 8);
code.DUP(Qresult->D2(), Xscratch0);
code.AND(Qresult->B16(), Qoperand->B16(), Qresult->B16());
} }
template<> template<>