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Optimize BIC, BSL, BIT, BIF, XTN, ZIP, DUP (Gp), FMADD (Scalar) and FCVT (Scalar) using SSE intrinsics (#405)

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* Optimize BIC, BSL, BIT, BIF, XTN, ZIP, DUP (Gp), FMADD (Scalar) and FCVT (Scalar) using SSE intrinsics, some CQ improvements

* Remove useless space

* Address PR feedback

* Revert EmitVectorZero32_128 changes
This commit is contained in:
gdkchan 2018-09-26 23:30:21 -03:00 • committed by GitHub
parent 40282da93a
commit 0b52ee6627
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8 changed files with 896 additions and 276 deletions
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45
ChocolArm64/Instruction/AInstEmitSimdCvt.cs
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@ -3,6 +3,8 @@ using ChocolArm64.State;
using ChocolArm64.Translation;
using System;
using System.Reflection.Emit;
using System.Runtime.Intrinsics;
using System.Runtime.Intrinsics.X86;
using static ChocolArm64.Instruction.AInstEmitSimdHelper;
@ -14,11 +16,48 @@ namespace ChocolArm64.Instruction
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
EmitVectorExtractF(Context, Op.Rn, 0, Op.Size);
if (AOptimizations.UseSse2)
{
if (Op.Size == 1 && Op.Opc == 0)
{
//Double -> Single.
AVectorHelper.EmitCall(Context, nameof(AVectorHelper.VectorSingleZero));
EmitFloatCast(Context, Op.Opc);
EmitLdvecWithCastToDouble(Context, Op.Rn);
EmitScalarSetF(Context, Op.Rd, Op.Opc);
Type[] Types = new Type[] { typeof(Vector128<float>), typeof(Vector128<double>) };
Context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ConvertScalarToVector128Single), Types));
Context.EmitStvec(Op.Rd);
}
else if (Op.Size == 0 && Op.Opc == 1)
{
//Single -> Double.
AVectorHelper.EmitCall(Context, nameof(AVectorHelper.VectorDoubleZero));
Context.EmitLdvec(Op.Rn);
Type[] Types = new Type[] { typeof(Vector128<double>), typeof(Vector128<float>) };
Context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ConvertScalarToVector128Double), Types));
EmitStvecWithCastFromDouble(Context, Op.Rd);
}
else
{
//Invalid encoding.
throw new InvalidOperationException();
}
}
else
{
EmitVectorExtractF(Context, Op.Rn, 0, Op.Size);
EmitFloatCast(Context, Op.Opc);
EmitScalarSetF(Context, Op.Rd, Op.Opc);
}
}
public static void Fcvtas_Gp(AILEmitterCtx Context)