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