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Update AInstEmitSimdShift.cs

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LDj3SNuD 2018-10-13 01:09:32 +02:00 • committed by GitHub
parent 3381f38265
commit 4abff91426
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1 changed files with 72 additions and 6 deletions
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78
ChocolArm64/Instruction/AInstEmitSimdShift.cs
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@ -3,6 +3,7 @@ using ChocolArm64.State;
using ChocolArm64.Translation;
using System;
using System.Reflection.Emit;
using System.Runtime.Intrinsics.X86;
using static ChocolArm64.Instruction.AInstEmitSimdHelper;
@ -31,12 +32,32 @@ namespace ChocolArm64.Instruction
{
AOpCodeSimdShImm Op = (AOpCodeSimdShImm)Context.CurrOp;
EmitVectorUnaryOpZx(Context, () =>
if (AOptimizations.UseSse2 && Op.Size > 0)
{
Context.EmitLdc_I4(GetImmShl(Op));
Type[] Types = new Type[] { VectorUIntTypesPerSizeLog2[Op.Size], typeof(byte) };
Context.Emit(OpCodes.Shl);
});
EmitLdvecWithUnsignedCast(Context, Op.Rn, Op.Size);
Context.EmitLdc_I4(GetImmShl(Op));
Context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftLeftLogical), Types));
EmitStvecWithUnsignedCast(Context, Op.Rd, Op.Size);
if (Op.RegisterSize == ARegisterSize.SIMD64)
{
EmitVectorZeroUpper(Context, Op.Rd);
}
}
else
{
EmitVectorUnaryOpZx(Context, () =>
{
Context.EmitLdc_I4(GetImmShl(Op));
Context.Emit(OpCodes.Shl);
});
}
}
public static void Shll_V(AILEmitterCtx Context)
@ -167,7 +188,30 @@ namespace ChocolArm64.Instruction
public static void Sshr_V(AILEmitterCtx Context)
{
EmitShrImmOp(Context, ShrImmFlags.VectorSx);
AOpCodeSimdShImm Op = (AOpCodeSimdShImm)Context.CurrOp;
if (AOptimizations.UseSse2 && Op.Size > 0
&& Op.Size < 3)
{
Type[] Types = new Type[] { VectorIntTypesPerSizeLog2[Op.Size], typeof(byte) };
EmitLdvecWithSignedCast(Context, Op.Rn, Op.Size);
Context.EmitLdc_I4(GetImmShr(Op));
Context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightArithmetic), Types));
EmitStvecWithSignedCast(Context, Op.Rd, Op.Size);
if (Op.RegisterSize == ARegisterSize.SIMD64)
{
EmitVectorZeroUpper(Context, Op.Rd);
}
}
else
{
EmitShrImmOp(Context, ShrImmFlags.VectorSx);
}
}
public static void Ssra_S(AILEmitterCtx Context)
@ -239,7 +283,29 @@ namespace ChocolArm64.Instruction
public static void Ushr_V(AILEmitterCtx Context)
{
EmitShrImmOp(Context, ShrImmFlags.VectorZx);
AOpCodeSimdShImm Op = (AOpCodeSimdShImm)Context.CurrOp;
if (AOptimizations.UseSse2 && Op.Size > 0)
{
Type[] Types = new Type[] { VectorUIntTypesPerSizeLog2[Op.Size], typeof(byte) };
EmitLdvecWithUnsignedCast(Context, Op.Rn, Op.Size);
Context.EmitLdc_I4(GetImmShr(Op));
Context.EmitCall(typeof(Sse2).GetMethod(nameof(Sse2.ShiftRightLogical), Types));
EmitStvecWithUnsignedCast(Context, Op.Rd, Op.Size);
if (Op.RegisterSize == ARegisterSize.SIMD64)
{
EmitVectorZeroUpper(Context, Op.Rd);
}
}
else
{
EmitShrImmOp(Context, ShrImmFlags.VectorZx);
}
}
public static void Usra_S(AILEmitterCtx Context)