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Optimize MOVI/MVNI instructions using intrinsics (#606)

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gdkchan 2019-02-26 09:50:36 -03:00 committed by jduncanator
parent ef3f9a2abe
commit 81aa50feb0
1 changed files with 48 additions and 2 deletions
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50
ChocolArm64/Instructions/InstEmitSimdMove.cs
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@ -318,12 +318,26 @@ namespace ChocolArm64.Instructions
public static void Movi_V(ILEmitterCtx context)
{
EmitVectorImmUnaryOp(context, () => { });
if (Optimizations.UseSse2)
{
EmitMoviMvni(context, not: false);
}
else
{
EmitVectorImmUnaryOp(context, () => { });
}
}
public static void Mvni_V(ILEmitterCtx context)
{
EmitVectorImmUnaryOp(context, () => context.Emit(OpCodes.Not));
if (Optimizations.UseSse2)
{
EmitMoviMvni(context, not: true);
}
else
{
EmitVectorImmUnaryOp(context, () => context.Emit(OpCodes.Not));
}
}
public static void Smov_S(ILEmitterCtx context)
@ -480,6 +494,38 @@ namespace ChocolArm64.Instructions
}
}
private static void EmitMoviMvni(ILEmitterCtx context, bool not)
{
OpCodeSimdImm64 op = (OpCodeSimdImm64)context.CurrOp;
Type[] typesSav = new Type[] { UIntTypesPerSizeLog2[op.Size] };
long imm = op.Imm;
if (not)
{
imm = ~imm;
}
if (op.Size < 3)
{
context.EmitLdc_I4((int)imm);
}
else
{
context.EmitLdc_I8(imm);
}
context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.SetAllVector128), typesSav));
context.EmitStvec(op.Rd);
if (op.RegisterSize == RegisterSize.Simd64)
{
EmitVectorZeroUpper(context, op.Rd);
}
}
private static void EmitVectorTranspose(ILEmitterCtx context, int part)
{
OpCodeSimdReg64 op = (OpCodeSimdReg64)context.CurrOp;