1560 lines
54 KiB
C#
1560 lines
54 KiB
C#
using ARMeilleure.Decoders;
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using ARMeilleure.IntermediateRepresentation;
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using ARMeilleure.State;
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using ARMeilleure.Translation;
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using System;
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using System.Diagnostics;
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using static ARMeilleure.Instructions.InstEmitHelper;
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using static ARMeilleure.IntermediateRepresentation.OperandHelper;
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namespace ARMeilleure.Instructions
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{
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using Func1I = Func<Operand, Operand>;
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using Func2I = Func<Operand, Operand, Operand>;
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using Func3I = Func<Operand, Operand, Operand, Operand>;
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static class InstEmitSimdHelper
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{
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#region "Masks"
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public static readonly long[] EvenMasks = new long[]
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{
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14L << 56 | 12L << 48 | 10L << 40 | 08L << 32 | 06L << 24 | 04L << 16 | 02L << 8 | 00L << 0, // B
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13L << 56 | 12L << 48 | 09L << 40 | 08L << 32 | 05L << 24 | 04L << 16 | 01L << 8 | 00L << 0, // H
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11L << 56 | 10L << 48 | 09L << 40 | 08L << 32 | 03L << 24 | 02L << 16 | 01L << 8 | 00L << 0 // S
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};
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public static readonly long[] OddMasks = new long[]
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{
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15L << 56 | 13L << 48 | 11L << 40 | 09L << 32 | 07L << 24 | 05L << 16 | 03L << 8 | 01L << 0, // B
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15L << 56 | 14L << 48 | 11L << 40 | 10L << 32 | 07L << 24 | 06L << 16 | 03L << 8 | 02L << 0, // H
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15L << 56 | 14L << 48 | 13L << 40 | 12L << 32 | 07L << 24 | 06L << 16 | 05L << 8 | 04L << 0 // S
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};
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private static readonly long _zeroMask = 128L << 56 | 128L << 48 | 128L << 40 | 128L << 32 | 128L << 24 | 128L << 16 | 128L << 8 | 128L << 0;
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#endregion
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#region "X86 SSE Intrinsics"
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public static readonly Intrinsic[] X86PaddInstruction = new Intrinsic[]
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{
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Intrinsic.X86Paddb,
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Intrinsic.X86Paddw,
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Intrinsic.X86Paddd,
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Intrinsic.X86Paddq
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};
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public static readonly Intrinsic[] X86PcmpeqInstruction = new Intrinsic[]
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{
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Intrinsic.X86Pcmpeqb,
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Intrinsic.X86Pcmpeqw,
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Intrinsic.X86Pcmpeqd,
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Intrinsic.X86Pcmpeqq
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};
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public static readonly Intrinsic[] X86PcmpgtInstruction = new Intrinsic[]
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{
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Intrinsic.X86Pcmpgtb,
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Intrinsic.X86Pcmpgtw,
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Intrinsic.X86Pcmpgtd,
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Intrinsic.X86Pcmpgtq
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};
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public static readonly Intrinsic[] X86PmaxsInstruction = new Intrinsic[]
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{
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Intrinsic.X86Pmaxsb,
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Intrinsic.X86Pmaxsw,
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Intrinsic.X86Pmaxsd
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};
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public static readonly Intrinsic[] X86PmaxuInstruction = new Intrinsic[]
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{
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Intrinsic.X86Pmaxub,
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Intrinsic.X86Pmaxuw,
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Intrinsic.X86Pmaxud
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};
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public static readonly Intrinsic[] X86PminsInstruction = new Intrinsic[]
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{
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Intrinsic.X86Pminsb,
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Intrinsic.X86Pminsw,
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Intrinsic.X86Pminsd
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};
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public static readonly Intrinsic[] X86PminuInstruction = new Intrinsic[]
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{
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Intrinsic.X86Pminub,
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Intrinsic.X86Pminuw,
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Intrinsic.X86Pminud
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};
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public static readonly Intrinsic[] X86PmovsxInstruction = new Intrinsic[]
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{
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Intrinsic.X86Pmovsxbw,
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Intrinsic.X86Pmovsxwd,
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Intrinsic.X86Pmovsxdq
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};
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public static readonly Intrinsic[] X86PmovzxInstruction = new Intrinsic[]
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{
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Intrinsic.X86Pmovzxbw,
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Intrinsic.X86Pmovzxwd,
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Intrinsic.X86Pmovzxdq
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};
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public static readonly Intrinsic[] X86PsllInstruction = new Intrinsic[]
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{
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0,
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Intrinsic.X86Psllw,
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Intrinsic.X86Pslld,
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Intrinsic.X86Psllq
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};
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public static readonly Intrinsic[] X86PsraInstruction = new Intrinsic[]
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{
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0,
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Intrinsic.X86Psraw,
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Intrinsic.X86Psrad
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};
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public static readonly Intrinsic[] X86PsrlInstruction = new Intrinsic[]
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{
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0,
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Intrinsic.X86Psrlw,
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Intrinsic.X86Psrld,
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Intrinsic.X86Psrlq
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};
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public static readonly Intrinsic[] X86PsubInstruction = new Intrinsic[]
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{
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Intrinsic.X86Psubb,
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Intrinsic.X86Psubw,
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Intrinsic.X86Psubd,
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Intrinsic.X86Psubq
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};
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public static readonly Intrinsic[] X86PunpckhInstruction = new Intrinsic[]
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{
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Intrinsic.X86Punpckhbw,
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Intrinsic.X86Punpckhwd,
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Intrinsic.X86Punpckhdq,
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Intrinsic.X86Punpckhqdq
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};
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public static readonly Intrinsic[] X86PunpcklInstruction = new Intrinsic[]
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{
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Intrinsic.X86Punpcklbw,
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Intrinsic.X86Punpcklwd,
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Intrinsic.X86Punpckldq,
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Intrinsic.X86Punpcklqdq
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};
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#endregion
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public static int GetImmShl(OpCodeSimdShImm op)
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{
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return op.Imm - (8 << op.Size);
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}
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public static int GetImmShr(OpCodeSimdShImm op)
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{
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return (8 << (op.Size + 1)) - op.Imm;
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}
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public static Operand X86GetScalar(ArmEmitterContext context, float value)
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{
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return X86GetScalar(context, BitConverter.SingleToInt32Bits(value));
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}
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public static Operand X86GetScalar(ArmEmitterContext context, double value)
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{
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return X86GetScalar(context, BitConverter.DoubleToInt64Bits(value));
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}
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public static Operand X86GetScalar(ArmEmitterContext context, int value)
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{
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return context.VectorCreateScalar(Const(value));
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}
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public static Operand X86GetScalar(ArmEmitterContext context, long value)
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{
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return context.VectorCreateScalar(Const(value));
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}
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public static Operand X86GetAllElements(ArmEmitterContext context, float value)
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{
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return X86GetAllElements(context, BitConverter.SingleToInt32Bits(value));
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}
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public static Operand X86GetAllElements(ArmEmitterContext context, double value)
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{
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return X86GetAllElements(context, BitConverter.DoubleToInt64Bits(value));
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}
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public static Operand X86GetAllElements(ArmEmitterContext context, int value)
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{
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Operand vector = context.VectorCreateScalar(Const(value));
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vector = context.AddIntrinsic(Intrinsic.X86Shufps, vector, vector, Const(0));
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return vector;
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}
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public static Operand X86GetAllElements(ArmEmitterContext context, long value)
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{
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Operand vector = context.VectorCreateScalar(Const(value));
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vector = context.AddIntrinsic(Intrinsic.X86Movlhps, vector, vector);
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return vector;
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}
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public static Operand X86GetElements(ArmEmitterContext context, long e1, long e0)
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{
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Operand vector0 = context.VectorCreateScalar(Const(e0));
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Operand vector1 = context.VectorCreateScalar(Const(e1));
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return context.AddIntrinsic(Intrinsic.X86Punpcklqdq, vector0, vector1);
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}
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public static int X86GetRoundControl(FPRoundingMode roundMode)
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{
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switch (roundMode)
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{
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case FPRoundingMode.ToNearest: return 8 | 0; // even
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case FPRoundingMode.TowardsPlusInfinity: return 8 | 2;
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case FPRoundingMode.TowardsMinusInfinity: return 8 | 1;
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case FPRoundingMode.TowardsZero: return 8 | 3;
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}
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throw new ArgumentException($"Invalid rounding mode \"{roundMode}\".");
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}
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public static void EmitScalarUnaryOpF(ArmEmitterContext context, Intrinsic inst32, Intrinsic inst64)
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{
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OpCodeSimd op = (OpCodeSimd)context.CurrOp;
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Operand n = GetVec(op.Rn);
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Intrinsic inst = (op.Size & 1) != 0 ? inst64 : inst32;
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Operand res = context.AddIntrinsic(inst, n);
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if ((op.Size & 1) != 0)
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{
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res = context.VectorZeroUpper64(res);
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}
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else
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{
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res = context.VectorZeroUpper96(res);
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}
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context.Copy(GetVec(op.Rd), res);
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}
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public static void EmitScalarBinaryOpF(ArmEmitterContext context, Intrinsic inst32, Intrinsic inst64)
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{
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OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
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Operand n = GetVec(op.Rn);
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Operand m = GetVec(op.Rm);
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Intrinsic inst = (op.Size & 1) != 0 ? inst64 : inst32;
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Operand res = context.AddIntrinsic(inst, n, m);
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if ((op.Size & 1) != 0)
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{
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res = context.VectorZeroUpper64(res);
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}
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else
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{
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res = context.VectorZeroUpper96(res);
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}
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context.Copy(GetVec(op.Rd), res);
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}
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public static void EmitVectorUnaryOpF(ArmEmitterContext context, Intrinsic inst32, Intrinsic inst64)
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{
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OpCodeSimd op = (OpCodeSimd)context.CurrOp;
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Operand n = GetVec(op.Rn);
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Intrinsic inst = (op.Size & 1) != 0 ? inst64 : inst32;
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Operand res = context.AddIntrinsic(inst, n);
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if (op.RegisterSize == RegisterSize.Simd64)
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{
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res = context.VectorZeroUpper64(res);
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}
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context.Copy(GetVec(op.Rd), res);
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}
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public static void EmitVectorBinaryOpF(ArmEmitterContext context, Intrinsic inst32, Intrinsic inst64)
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{
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OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
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Operand n = GetVec(op.Rn);
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Operand m = GetVec(op.Rm);
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Intrinsic inst = (op.Size & 1) != 0 ? inst64 : inst32;
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Operand res = context.AddIntrinsic(inst, n, m);
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if (op.RegisterSize == RegisterSize.Simd64)
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{
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res = context.VectorZeroUpper64(res);
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}
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context.Copy(GetVec(op.Rd), res);
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}
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public static Operand EmitUnaryMathCall(ArmEmitterContext context, _F32_F32 f32, _F64_F64 f64, Operand n)
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{
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IOpCodeSimd op = (IOpCodeSimd)context.CurrOp;
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return (op.Size & 1) == 0 ? context.Call(f32, n) : context.Call(f64, n);
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}
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public static Operand EmitRoundMathCall(ArmEmitterContext context, MidpointRounding roundMode, Operand n)
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{
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IOpCodeSimd op = (IOpCodeSimd)context.CurrOp;
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Delegate dlg;
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if ((op.Size & 1) == 0)
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{
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dlg = new _F32_F32_MidpointRounding(MathF.Round);
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}
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else /* if ((op.Size & 1) == 1) */
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{
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dlg = new _F64_F64_MidpointRounding(Math.Round);
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}
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return context.Call(dlg, n, Const((int)roundMode));
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}
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public static Operand EmitSoftFloatCall(
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ArmEmitterContext context,
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_F32_F32 f32,
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_F64_F64 f64,
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params Operand[] callArgs)
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{
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IOpCodeSimd op = (IOpCodeSimd)context.CurrOp;
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Delegate dlg = (op.Size & 1) == 0 ? (Delegate)f32 : (Delegate)f64;
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return context.Call(dlg, callArgs);
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}
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public static Operand EmitSoftFloatCall(
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ArmEmitterContext context,
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_F32_F32_F32 f32,
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_F64_F64_F64 f64,
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params Operand[] callArgs)
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{
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IOpCodeSimd op = (IOpCodeSimd)context.CurrOp;
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Delegate dlg = (op.Size & 1) == 0 ? (Delegate)f32 : (Delegate)f64;
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return context.Call(dlg, callArgs);
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}
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public static Operand EmitSoftFloatCall(
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ArmEmitterContext context,
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_F32_F32_F32_F32 f32,
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_F64_F64_F64_F64 f64,
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params Operand[] callArgs)
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{
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IOpCodeSimd op = (IOpCodeSimd)context.CurrOp;
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Delegate dlg = (op.Size & 1) == 0 ? (Delegate)f32 : (Delegate)f64;
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return context.Call(dlg, callArgs);
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}
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public static void EmitScalarBinaryOpByElemF(ArmEmitterContext context, Func2I emit)
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{
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OpCodeSimdRegElemF op = (OpCodeSimdRegElemF)context.CurrOp;
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OperandType type = (op.Size & 1) != 0 ? OperandType.FP64 : OperandType.FP32;
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Operand n = context.VectorExtract(type, GetVec(op.Rn), 0);
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Operand m = context.VectorExtract(type, GetVec(op.Rm), op.Index);
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context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), emit(n, m), 0));
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}
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public static void EmitScalarTernaryOpByElemF(ArmEmitterContext context, Func3I emit)
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{
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OpCodeSimdRegElemF op = (OpCodeSimdRegElemF)context.CurrOp;
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OperandType type = (op.Size & 1) != 0 ? OperandType.FP64 : OperandType.FP32;
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Operand d = context.VectorExtract(type, GetVec(op.Rd), 0);
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Operand n = context.VectorExtract(type, GetVec(op.Rn), 0);
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Operand m = context.VectorExtract(type, GetVec(op.Rm), op.Index);
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context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), emit(d, n, m), 0));
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}
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public static void EmitScalarUnaryOpSx(ArmEmitterContext context, Func1I emit)
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{
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OpCodeSimd op = (OpCodeSimd)context.CurrOp;
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Operand n = EmitVectorExtractSx(context, op.Rn, 0, op.Size);
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Operand d = EmitVectorInsert(context, context.VectorZero(), emit(n), 0, op.Size);
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context.Copy(GetVec(op.Rd), d);
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}
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public static void EmitScalarBinaryOpSx(ArmEmitterContext context, Func2I emit)
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{
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OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
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Operand n = EmitVectorExtractSx(context, op.Rn, 0, op.Size);
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Operand m = EmitVectorExtractSx(context, op.Rm, 0, op.Size);
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Operand d = EmitVectorInsert(context, context.VectorZero(), emit(n, m), 0, op.Size);
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context.Copy(GetVec(op.Rd), d);
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}
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public static void EmitScalarUnaryOpZx(ArmEmitterContext context, Func1I emit)
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{
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OpCodeSimd op = (OpCodeSimd)context.CurrOp;
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Operand n = EmitVectorExtractZx(context, op.Rn, 0, op.Size);
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Operand d = EmitVectorInsert(context, context.VectorZero(), emit(n), 0, op.Size);
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context.Copy(GetVec(op.Rd), d);
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}
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public static void EmitScalarBinaryOpZx(ArmEmitterContext context, Func2I emit)
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{
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OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
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Operand n = EmitVectorExtractZx(context, op.Rn, 0, op.Size);
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Operand m = EmitVectorExtractZx(context, op.Rm, 0, op.Size);
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Operand d = EmitVectorInsert(context, context.VectorZero(), emit(n, m), 0, op.Size);
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context.Copy(GetVec(op.Rd), d);
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}
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public static void EmitScalarTernaryOpZx(ArmEmitterContext context, Func3I emit)
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{
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OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
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Operand d = EmitVectorExtractZx(context, op.Rd, 0, op.Size);
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Operand n = EmitVectorExtractZx(context, op.Rn, 0, op.Size);
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Operand m = EmitVectorExtractZx(context, op.Rm, 0, op.Size);
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d = EmitVectorInsert(context, context.VectorZero(), emit(d, n, m), 0, op.Size);
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context.Copy(GetVec(op.Rd), d);
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}
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public static void EmitScalarUnaryOpF(ArmEmitterContext context, Func1I emit)
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{
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OpCodeSimd op = (OpCodeSimd)context.CurrOp;
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OperandType type = (op.Size & 1) != 0 ? OperandType.FP64 : OperandType.FP32;
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Operand n = context.VectorExtract(type, GetVec(op.Rn), 0);
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context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), emit(n), 0));
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}
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public static void EmitScalarBinaryOpF(ArmEmitterContext context, Func2I emit)
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{
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OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
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OperandType type = (op.Size & 1) != 0 ? OperandType.FP64 : OperandType.FP32;
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Operand n = context.VectorExtract(type, GetVec(op.Rn), 0);
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Operand m = context.VectorExtract(type, GetVec(op.Rm), 0);
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context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), emit(n, m), 0));
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}
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public static void EmitScalarTernaryRaOpF(ArmEmitterContext context, Func3I emit)
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{
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OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
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OperandType type = (op.Size & 1) != 0 ? OperandType.FP64 : OperandType.FP32;
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Operand a = context.VectorExtract(type, GetVec(op.Ra), 0);
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Operand n = context.VectorExtract(type, GetVec(op.Rn), 0);
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Operand m = context.VectorExtract(type, GetVec(op.Rm), 0);
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|
context.Copy(GetVec(op.Rd), context.VectorInsert(context.VectorZero(), emit(a, n, m), 0));
|
|
}
|
|
|
|
public static void EmitVectorUnaryOpF(ArmEmitterContext context, Func1I emit)
|
|
{
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int sizeF = op.Size & 1;
|
|
|
|
OperandType type = sizeF != 0 ? OperandType.FP64 : OperandType.FP32;
|
|
|
|
int elems = op.GetBytesCount() >> sizeF + 2;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand ne = context.VectorExtract(type, GetVec(op.Rn), index);
|
|
|
|
res = context.VectorInsert(res, emit(ne), index);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorBinaryOpF(ArmEmitterContext context, Func2I emit)
|
|
{
|
|
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int sizeF = op.Size & 1;
|
|
|
|
OperandType type = sizeF != 0 ? OperandType.FP64 : OperandType.FP32;
|
|
|
|
int elems = op.GetBytesCount() >> sizeF + 2;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand ne = context.VectorExtract(type, GetVec(op.Rn), index);
|
|
Operand me = context.VectorExtract(type, GetVec(op.Rm), index);
|
|
|
|
res = context.VectorInsert(res, emit(ne, me), index);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorTernaryOpF(ArmEmitterContext context, Func3I emit)
|
|
{
|
|
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int sizeF = op.Size & 1;
|
|
|
|
OperandType type = sizeF != 0 ? OperandType.FP64 : OperandType.FP32;
|
|
|
|
int elems = op.GetBytesCount() >> sizeF + 2;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand de = context.VectorExtract(type, GetVec(op.Rd), index);
|
|
Operand ne = context.VectorExtract(type, GetVec(op.Rn), index);
|
|
Operand me = context.VectorExtract(type, GetVec(op.Rm), index);
|
|
|
|
res = context.VectorInsert(res, emit(de, ne, me), index);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorBinaryOpByElemF(ArmEmitterContext context, Func2I emit)
|
|
{
|
|
OpCodeSimdRegElemF op = (OpCodeSimdRegElemF)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int sizeF = op.Size & 1;
|
|
|
|
OperandType type = sizeF != 0 ? OperandType.FP64 : OperandType.FP32;
|
|
|
|
int elems = op.GetBytesCount() >> sizeF + 2;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand ne = context.VectorExtract(type, GetVec(op.Rn), index);
|
|
Operand me = context.VectorExtract(type, GetVec(op.Rm), op.Index);
|
|
|
|
res = context.VectorInsert(res, emit(ne, me), index);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorTernaryOpByElemF(ArmEmitterContext context, Func3I emit)
|
|
{
|
|
OpCodeSimdRegElemF op = (OpCodeSimdRegElemF)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int sizeF = op.Size & 1;
|
|
|
|
OperandType type = sizeF != 0 ? OperandType.FP64 : OperandType.FP32;
|
|
|
|
int elems = op.GetBytesCount() >> sizeF + 2;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand de = context.VectorExtract(type, GetVec(op.Rd), index);
|
|
Operand ne = context.VectorExtract(type, GetVec(op.Rn), index);
|
|
Operand me = context.VectorExtract(type, GetVec(op.Rm), op.Index);
|
|
|
|
res = context.VectorInsert(res, emit(de, ne, me), index);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorUnaryOpSx(ArmEmitterContext context, Func1I emit)
|
|
{
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int elems = op.GetBytesCount() >> op.Size;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand ne = EmitVectorExtractSx(context, op.Rn, index, op.Size);
|
|
|
|
res = EmitVectorInsert(context, res, emit(ne), index, op.Size);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorBinaryOpSx(ArmEmitterContext context, Func2I emit)
|
|
{
|
|
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int elems = op.GetBytesCount() >> op.Size;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand ne = EmitVectorExtractSx(context, op.Rn, index, op.Size);
|
|
Operand me = EmitVectorExtractSx(context, op.Rm, index, op.Size);
|
|
|
|
res = EmitVectorInsert(context, res, emit(ne, me), index, op.Size);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorTernaryOpSx(ArmEmitterContext context, Func3I emit)
|
|
{
|
|
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int elems = op.GetBytesCount() >> op.Size;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand de = EmitVectorExtractSx(context, op.Rd, index, op.Size);
|
|
Operand ne = EmitVectorExtractSx(context, op.Rn, index, op.Size);
|
|
Operand me = EmitVectorExtractSx(context, op.Rm, index, op.Size);
|
|
|
|
res = EmitVectorInsert(context, res, emit(de, ne, me), index, op.Size);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorUnaryOpZx(ArmEmitterContext context, Func1I emit)
|
|
{
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int elems = op.GetBytesCount() >> op.Size;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand ne = EmitVectorExtractZx(context, op.Rn, index, op.Size);
|
|
|
|
res = EmitVectorInsert(context, res, emit(ne), index, op.Size);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorBinaryOpZx(ArmEmitterContext context, Func2I emit)
|
|
{
|
|
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int elems = op.GetBytesCount() >> op.Size;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand ne = EmitVectorExtractZx(context, op.Rn, index, op.Size);
|
|
Operand me = EmitVectorExtractZx(context, op.Rm, index, op.Size);
|
|
|
|
res = EmitVectorInsert(context, res, emit(ne, me), index, op.Size);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorTernaryOpZx(ArmEmitterContext context, Func3I emit)
|
|
{
|
|
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int elems = op.GetBytesCount() >> op.Size;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand de = EmitVectorExtractZx(context, op.Rd, index, op.Size);
|
|
Operand ne = EmitVectorExtractZx(context, op.Rn, index, op.Size);
|
|
Operand me = EmitVectorExtractZx(context, op.Rm, index, op.Size);
|
|
|
|
res = EmitVectorInsert(context, res, emit(de, ne, me), index, op.Size);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorBinaryOpByElemSx(ArmEmitterContext context, Func2I emit)
|
|
{
|
|
OpCodeSimdRegElem op = (OpCodeSimdRegElem)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
Operand me = EmitVectorExtractSx(context, op.Rm, op.Index, op.Size);
|
|
|
|
int elems = op.GetBytesCount() >> op.Size;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand ne = EmitVectorExtractSx(context, op.Rn, index, op.Size);
|
|
|
|
res = EmitVectorInsert(context, res, emit(ne, me), index, op.Size);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorBinaryOpByElemZx(ArmEmitterContext context, Func2I emit)
|
|
{
|
|
OpCodeSimdRegElem op = (OpCodeSimdRegElem)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
Operand me = EmitVectorExtractZx(context, op.Rm, op.Index, op.Size);
|
|
|
|
int elems = op.GetBytesCount() >> op.Size;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand ne = EmitVectorExtractZx(context, op.Rn, index, op.Size);
|
|
|
|
res = EmitVectorInsert(context, res, emit(ne, me), index, op.Size);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorTernaryOpByElemZx(ArmEmitterContext context, Func3I emit)
|
|
{
|
|
OpCodeSimdRegElem op = (OpCodeSimdRegElem)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
Operand me = EmitVectorExtractZx(context, op.Rm, op.Index, op.Size);
|
|
|
|
int elems = op.GetBytesCount() >> op.Size;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand de = EmitVectorExtractZx(context, op.Rd, index, op.Size);
|
|
Operand ne = EmitVectorExtractZx(context, op.Rn, index, op.Size);
|
|
|
|
res = EmitVectorInsert(context, res, emit(de, ne, me), index, op.Size);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorImmUnaryOp(ArmEmitterContext context, Func1I emit)
|
|
{
|
|
OpCodeSimdImm op = (OpCodeSimdImm)context.CurrOp;
|
|
|
|
Operand imm = Const(op.Immediate);
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int elems = op.GetBytesCount() >> op.Size;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
res = EmitVectorInsert(context, res, emit(imm), index, op.Size);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorImmBinaryOp(ArmEmitterContext context, Func2I emit)
|
|
{
|
|
OpCodeSimdImm op = (OpCodeSimdImm)context.CurrOp;
|
|
|
|
Operand imm = Const(op.Immediate);
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int elems = op.GetBytesCount() >> op.Size;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand de = EmitVectorExtractZx(context, op.Rd, index, op.Size);
|
|
|
|
res = EmitVectorInsert(context, res, emit(de, imm), index, op.Size);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorWidenRmBinaryOpSx(ArmEmitterContext context, Func2I emit)
|
|
{
|
|
EmitVectorWidenRmBinaryOp(context, emit, signed: true);
|
|
}
|
|
|
|
public static void EmitVectorWidenRmBinaryOpZx(ArmEmitterContext context, Func2I emit)
|
|
{
|
|
EmitVectorWidenRmBinaryOp(context, emit, signed: false);
|
|
}
|
|
|
|
private static void EmitVectorWidenRmBinaryOp(ArmEmitterContext context, Func2I emit, bool signed)
|
|
{
|
|
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int elems = 8 >> op.Size;
|
|
|
|
int part = op.RegisterSize == RegisterSize.Simd128 ? elems : 0;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand ne = EmitVectorExtract(context, op.Rn, index, op.Size + 1, signed);
|
|
Operand me = EmitVectorExtract(context, op.Rm, part + index, op.Size, signed);
|
|
|
|
res = EmitVectorInsert(context, res, emit(ne, me), index, op.Size + 1);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorWidenRnRmBinaryOpSx(ArmEmitterContext context, Func2I emit)
|
|
{
|
|
EmitVectorWidenRnRmBinaryOp(context, emit, signed: true);
|
|
}
|
|
|
|
public static void EmitVectorWidenRnRmBinaryOpZx(ArmEmitterContext context, Func2I emit)
|
|
{
|
|
EmitVectorWidenRnRmBinaryOp(context, emit, signed: false);
|
|
}
|
|
|
|
private static void EmitVectorWidenRnRmBinaryOp(ArmEmitterContext context, Func2I emit, bool signed)
|
|
{
|
|
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int elems = 8 >> op.Size;
|
|
|
|
int part = op.RegisterSize == RegisterSize.Simd128 ? elems : 0;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand ne = EmitVectorExtract(context, op.Rn, part + index, op.Size, signed);
|
|
Operand me = EmitVectorExtract(context, op.Rm, part + index, op.Size, signed);
|
|
|
|
res = EmitVectorInsert(context, res, emit(ne, me), index, op.Size + 1);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorWidenRnRmTernaryOpSx(ArmEmitterContext context, Func3I emit)
|
|
{
|
|
EmitVectorWidenRnRmTernaryOp(context, emit, signed: true);
|
|
}
|
|
|
|
public static void EmitVectorWidenRnRmTernaryOpZx(ArmEmitterContext context, Func3I emit)
|
|
{
|
|
EmitVectorWidenRnRmTernaryOp(context, emit, signed: false);
|
|
}
|
|
|
|
private static void EmitVectorWidenRnRmTernaryOp(ArmEmitterContext context, Func3I emit, bool signed)
|
|
{
|
|
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int elems = 8 >> op.Size;
|
|
|
|
int part = op.RegisterSize == RegisterSize.Simd128 ? elems : 0;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand de = EmitVectorExtract(context, op.Rd, index, op.Size + 1, signed);
|
|
Operand ne = EmitVectorExtract(context, op.Rn, part + index, op.Size, signed);
|
|
Operand me = EmitVectorExtract(context, op.Rm, part + index, op.Size, signed);
|
|
|
|
res = EmitVectorInsert(context, res, emit(de, ne, me), index, op.Size + 1);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorWidenBinaryOpByElemSx(ArmEmitterContext context, Func2I emit)
|
|
{
|
|
EmitVectorWidenBinaryOpByElem(context, emit, signed: true);
|
|
}
|
|
|
|
public static void EmitVectorWidenBinaryOpByElemZx(ArmEmitterContext context, Func2I emit)
|
|
{
|
|
EmitVectorWidenBinaryOpByElem(context, emit, signed: false);
|
|
}
|
|
|
|
private static void EmitVectorWidenBinaryOpByElem(ArmEmitterContext context, Func2I emit, bool signed)
|
|
{
|
|
OpCodeSimdRegElem op = (OpCodeSimdRegElem)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
Operand me = EmitVectorExtract(context, op.Rm, op.Index, op.Size, signed);
|
|
|
|
int elems = 8 >> op.Size;
|
|
|
|
int part = op.RegisterSize == RegisterSize.Simd128 ? elems : 0;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand ne = EmitVectorExtract(context, op.Rn, part + index, op.Size, signed);
|
|
|
|
res = EmitVectorInsert(context, res, emit(ne, me), index, op.Size + 1);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorWidenTernaryOpByElemSx(ArmEmitterContext context, Func3I emit)
|
|
{
|
|
EmitVectorWidenTernaryOpByElem(context, emit, signed: true);
|
|
}
|
|
|
|
public static void EmitVectorWidenTernaryOpByElemZx(ArmEmitterContext context, Func3I emit)
|
|
{
|
|
EmitVectorWidenTernaryOpByElem(context, emit, signed: false);
|
|
}
|
|
|
|
private static void EmitVectorWidenTernaryOpByElem(ArmEmitterContext context, Func3I emit, bool signed)
|
|
{
|
|
OpCodeSimdRegElem op = (OpCodeSimdRegElem)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
Operand me = EmitVectorExtract(context, op.Rm, op.Index, op.Size, signed);
|
|
|
|
int elems = 8 >> op.Size;
|
|
|
|
int part = op.RegisterSize == RegisterSize.Simd128 ? elems : 0;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand de = EmitVectorExtract(context, op.Rd, index, op.Size + 1, signed);
|
|
Operand ne = EmitVectorExtract(context, op.Rn, part + index, op.Size, signed);
|
|
|
|
res = EmitVectorInsert(context, res, emit(de, ne, me), index, op.Size + 1);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitVectorPairwiseOpSx(ArmEmitterContext context, Func2I emit)
|
|
{
|
|
EmitVectorPairwiseOp(context, emit, signed: true);
|
|
}
|
|
|
|
public static void EmitVectorPairwiseOpZx(ArmEmitterContext context, Func2I emit)
|
|
{
|
|
EmitVectorPairwiseOp(context, emit, signed: false);
|
|
}
|
|
|
|
private static void EmitVectorPairwiseOp(ArmEmitterContext context, Func2I emit, bool signed)
|
|
{
|
|
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int pairs = op.GetPairsCount() >> op.Size;
|
|
|
|
for (int index = 0; index < pairs; index++)
|
|
{
|
|
int pairIndex = index << 1;
|
|
|
|
Operand n0 = EmitVectorExtract(context, op.Rn, pairIndex, op.Size, signed);
|
|
Operand n1 = EmitVectorExtract(context, op.Rn, pairIndex + 1, op.Size, signed);
|
|
|
|
Operand m0 = EmitVectorExtract(context, op.Rm, pairIndex, op.Size, signed);
|
|
Operand m1 = EmitVectorExtract(context, op.Rm, pairIndex + 1, op.Size, signed);
|
|
|
|
res = EmitVectorInsert(context, res, emit(n0, n1), index, op.Size);
|
|
res = EmitVectorInsert(context, res, emit(m0, m1), pairs + index, op.Size);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitSsse3VectorPairwiseOp(ArmEmitterContext context, Intrinsic[] inst)
|
|
{
|
|
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
|
|
|
|
Operand n = GetVec(op.Rn);
|
|
Operand m = GetVec(op.Rm);
|
|
|
|
if (op.RegisterSize == RegisterSize.Simd64)
|
|
{
|
|
Operand zeroEvenMask = X86GetElements(context, _zeroMask, EvenMasks[op.Size]);
|
|
Operand zeroOddMask = X86GetElements(context, _zeroMask, OddMasks [op.Size]);
|
|
|
|
Operand mN = context.AddIntrinsic(Intrinsic.X86Punpcklqdq, n, m); // m:n
|
|
|
|
Operand left = context.AddIntrinsic(Intrinsic.X86Pshufb, mN, zeroEvenMask); // 0:even from m:n
|
|
Operand right = context.AddIntrinsic(Intrinsic.X86Pshufb, mN, zeroOddMask); // 0:odd from m:n
|
|
|
|
context.Copy(GetVec(op.Rd), context.AddIntrinsic(inst[op.Size], left, right));
|
|
}
|
|
else if (op.Size < 3)
|
|
{
|
|
Operand oddEvenMask = X86GetElements(context, OddMasks[op.Size], EvenMasks[op.Size]);
|
|
|
|
Operand oddEvenN = context.AddIntrinsic(Intrinsic.X86Pshufb, n, oddEvenMask); // odd:even from n
|
|
Operand oddEvenM = context.AddIntrinsic(Intrinsic.X86Pshufb, m, oddEvenMask); // odd:even from m
|
|
|
|
Operand left = context.AddIntrinsic(Intrinsic.X86Punpcklqdq, oddEvenN, oddEvenM);
|
|
Operand right = context.AddIntrinsic(Intrinsic.X86Punpckhqdq, oddEvenN, oddEvenM);
|
|
|
|
context.Copy(GetVec(op.Rd), context.AddIntrinsic(inst[op.Size], left, right));
|
|
}
|
|
else
|
|
{
|
|
Operand left = context.AddIntrinsic(Intrinsic.X86Punpcklqdq, n, m);
|
|
Operand right = context.AddIntrinsic(Intrinsic.X86Punpckhqdq, n, m);
|
|
|
|
context.Copy(GetVec(op.Rd), context.AddIntrinsic(inst[3], left, right));
|
|
}
|
|
}
|
|
|
|
public static void EmitVectorAcrossVectorOpSx(ArmEmitterContext context, Func2I emit)
|
|
{
|
|
EmitVectorAcrossVectorOp(context, emit, signed: true, isLong: false);
|
|
}
|
|
|
|
public static void EmitVectorAcrossVectorOpZx(ArmEmitterContext context, Func2I emit)
|
|
{
|
|
EmitVectorAcrossVectorOp(context, emit, signed: false, isLong: false);
|
|
}
|
|
|
|
public static void EmitVectorLongAcrossVectorOpSx(ArmEmitterContext context, Func2I emit)
|
|
{
|
|
EmitVectorAcrossVectorOp(context, emit, signed: true, isLong: true);
|
|
}
|
|
|
|
public static void EmitVectorLongAcrossVectorOpZx(ArmEmitterContext context, Func2I emit)
|
|
{
|
|
EmitVectorAcrossVectorOp(context, emit, signed: false, isLong: true);
|
|
}
|
|
|
|
private static void EmitVectorAcrossVectorOp(
|
|
ArmEmitterContext context,
|
|
Func2I emit,
|
|
bool signed,
|
|
bool isLong)
|
|
{
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
|
|
|
int elems = op.GetBytesCount() >> op.Size;
|
|
|
|
Operand res = EmitVectorExtract(context, op.Rn, 0, op.Size, signed);
|
|
|
|
for (int index = 1; index < elems; index++)
|
|
{
|
|
Operand n = EmitVectorExtract(context, op.Rn, index, op.Size, signed);
|
|
|
|
res = emit(res, n);
|
|
}
|
|
|
|
int size = isLong ? op.Size + 1 : op.Size;
|
|
|
|
Operand d = EmitVectorInsert(context, context.VectorZero(), res, 0, size);
|
|
|
|
context.Copy(GetVec(op.Rd), d);
|
|
}
|
|
|
|
public static void EmitVectorPairwiseOpF(ArmEmitterContext context, Func2I emit)
|
|
{
|
|
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
int sizeF = op.Size & 1;
|
|
|
|
OperandType type = sizeF != 0 ? OperandType.FP64 : OperandType.FP32;
|
|
|
|
int pairs = op.GetPairsCount() >> sizeF + 2;
|
|
|
|
for (int index = 0; index < pairs; index++)
|
|
{
|
|
int pairIndex = index << 1;
|
|
|
|
Operand n0 = context.VectorExtract(type, GetVec(op.Rn), pairIndex);
|
|
Operand n1 = context.VectorExtract(type, GetVec(op.Rn), pairIndex + 1);
|
|
|
|
Operand m0 = context.VectorExtract(type, GetVec(op.Rm), pairIndex);
|
|
Operand m1 = context.VectorExtract(type, GetVec(op.Rm), pairIndex + 1);
|
|
|
|
res = context.VectorInsert(res, emit(n0, n1), index);
|
|
res = context.VectorInsert(res, emit(m0, m1), pairs + index);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitSse2VectorPairwiseOpF(ArmEmitterContext context, Intrinsic inst32, Intrinsic inst64)
|
|
{
|
|
OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
|
|
|
|
Operand n = GetVec(op.Rn);
|
|
Operand m = GetVec(op.Rm);
|
|
|
|
int sizeF = op.Size & 1;
|
|
|
|
if (sizeF == 0)
|
|
{
|
|
if (op.RegisterSize == RegisterSize.Simd64)
|
|
{
|
|
Operand unpck = context.AddIntrinsic(Intrinsic.X86Unpcklps, n, m);
|
|
|
|
Operand zero = context.VectorZero();
|
|
|
|
Operand part0 = context.AddIntrinsic(Intrinsic.X86Movlhps, unpck, zero);
|
|
Operand part1 = context.AddIntrinsic(Intrinsic.X86Movhlps, zero, unpck);
|
|
|
|
context.Copy(GetVec(op.Rd), context.AddIntrinsic(inst32, part0, part1));
|
|
}
|
|
else /* if (op.RegisterSize == RegisterSize.Simd128) */
|
|
{
|
|
const int sm0 = 2 << 6 | 0 << 4 | 2 << 2 | 0 << 0;
|
|
const int sm1 = 3 << 6 | 1 << 4 | 3 << 2 | 1 << 0;
|
|
|
|
Operand part0 = context.AddIntrinsic(Intrinsic.X86Shufps, n, m, Const(sm0));
|
|
Operand part1 = context.AddIntrinsic(Intrinsic.X86Shufps, n, m, Const(sm1));
|
|
|
|
context.Copy(GetVec(op.Rd), context.AddIntrinsic(inst32, part0, part1));
|
|
}
|
|
}
|
|
else /* if (sizeF == 1) */
|
|
{
|
|
Operand part0 = context.AddIntrinsic(Intrinsic.X86Unpcklpd, n, m);
|
|
Operand part1 = context.AddIntrinsic(Intrinsic.X86Unpckhpd, n, m);
|
|
|
|
context.Copy(GetVec(op.Rd), context.AddIntrinsic(inst64, part0, part1));
|
|
}
|
|
}
|
|
|
|
public enum CmpCondition
|
|
{
|
|
// Legacy Sse.
|
|
Equal = 0, // Ordered, non-signaling.
|
|
LessThan = 1, // Ordered, signaling.
|
|
LessThanOrEqual = 2, // Ordered, signaling.
|
|
UnorderedQ = 3, // Non-signaling.
|
|
NotLessThan = 5, // Unordered, signaling.
|
|
NotLessThanOrEqual = 6, // Unordered, signaling.
|
|
OrderedQ = 7, // Non-signaling.
|
|
|
|
// Vex.
|
|
GreaterThanOrEqual = 13, // Ordered, signaling.
|
|
GreaterThan = 14, // Ordered, signaling.
|
|
OrderedS = 23 // Signaling.
|
|
}
|
|
|
|
[Flags]
|
|
public enum SaturatingFlags
|
|
{
|
|
Scalar = 1 << 0,
|
|
Signed = 1 << 1,
|
|
|
|
Add = 1 << 2,
|
|
Sub = 1 << 3,
|
|
|
|
Accumulate = 1 << 4,
|
|
|
|
ScalarSx = Scalar | Signed,
|
|
ScalarZx = Scalar,
|
|
|
|
VectorSx = Signed,
|
|
VectorZx = 0
|
|
}
|
|
|
|
public static void EmitScalarSaturatingUnaryOpSx(ArmEmitterContext context, Func1I emit)
|
|
{
|
|
EmitSaturatingUnaryOpSx(context, emit, SaturatingFlags.ScalarSx);
|
|
}
|
|
|
|
public static void EmitVectorSaturatingUnaryOpSx(ArmEmitterContext context, Func1I emit)
|
|
{
|
|
EmitSaturatingUnaryOpSx(context, emit, SaturatingFlags.VectorSx);
|
|
}
|
|
|
|
private static void EmitSaturatingUnaryOpSx(ArmEmitterContext context, Func1I emit, SaturatingFlags flags)
|
|
{
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
bool scalar = (flags & SaturatingFlags.Scalar) != 0;
|
|
|
|
int elems = !scalar ? op.GetBytesCount() >> op.Size : 1;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand ne = EmitVectorExtractSx(context, op.Rn, index, op.Size);
|
|
Operand de;
|
|
|
|
if (op.Size <= 2)
|
|
{
|
|
de = EmitSatQ(context, emit(ne), op.Size, signedSrc: true, signedDst: true);
|
|
}
|
|
else /* if (op.Size == 3) */
|
|
{
|
|
de = EmitUnarySignedSatQAbsOrNeg(context, emit(ne));
|
|
}
|
|
|
|
res = EmitVectorInsert(context, res, de, index, op.Size);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void EmitScalarSaturatingBinaryOpSx(ArmEmitterContext context, SaturatingFlags flags)
|
|
{
|
|
EmitSaturatingBinaryOp(context, null, SaturatingFlags.ScalarSx | flags);
|
|
}
|
|
|
|
public static void EmitScalarSaturatingBinaryOpZx(ArmEmitterContext context, SaturatingFlags flags)
|
|
{
|
|
EmitSaturatingBinaryOp(context, null, SaturatingFlags.ScalarZx | flags);
|
|
}
|
|
|
|
public static void EmitVectorSaturatingBinaryOpSx(ArmEmitterContext context, SaturatingFlags flags)
|
|
{
|
|
EmitSaturatingBinaryOp(context, null, SaturatingFlags.VectorSx | flags);
|
|
}
|
|
|
|
public static void EmitVectorSaturatingBinaryOpZx(ArmEmitterContext context, SaturatingFlags flags)
|
|
{
|
|
EmitSaturatingBinaryOp(context, null, SaturatingFlags.VectorZx | flags);
|
|
}
|
|
|
|
public static void EmitSaturatingBinaryOp(ArmEmitterContext context, Func2I emit, SaturatingFlags flags)
|
|
{
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
bool scalar = (flags & SaturatingFlags.Scalar) != 0;
|
|
bool signed = (flags & SaturatingFlags.Signed) != 0;
|
|
|
|
bool add = (flags & SaturatingFlags.Add) != 0;
|
|
bool sub = (flags & SaturatingFlags.Sub) != 0;
|
|
|
|
bool accumulate = (flags & SaturatingFlags.Accumulate) != 0;
|
|
|
|
int elems = !scalar ? op.GetBytesCount() >> op.Size : 1;
|
|
|
|
if (add || sub)
|
|
{
|
|
OpCodeSimdReg opReg = (OpCodeSimdReg)op;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand de;
|
|
Operand ne = EmitVectorExtract(context, opReg.Rn, index, op.Size, signed);
|
|
Operand me = EmitVectorExtract(context, opReg.Rm, index, op.Size, signed);
|
|
|
|
if (op.Size <= 2)
|
|
{
|
|
Operand temp = add ? context.Add(ne, me) : context.Subtract(ne, me);
|
|
|
|
de = EmitSatQ(context, temp, op.Size, signedSrc: true, signedDst: signed);
|
|
}
|
|
else if (add) /* if (op.Size == 3) */
|
|
{
|
|
de = EmitBinarySatQAdd(context, ne, me, signed);
|
|
}
|
|
else /* if (sub) */
|
|
{
|
|
de = EmitBinarySatQSub(context, ne, me, signed);
|
|
}
|
|
|
|
res = EmitVectorInsert(context, res, de, index, op.Size);
|
|
}
|
|
}
|
|
else if (accumulate)
|
|
{
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand de;
|
|
Operand ne = EmitVectorExtract(context, op.Rn, index, op.Size, !signed);
|
|
Operand me = EmitVectorExtract(context, op.Rd, index, op.Size, signed);
|
|
|
|
if (op.Size <= 2)
|
|
{
|
|
Operand temp = context.Add(ne, me);
|
|
|
|
de = EmitSatQ(context, temp, op.Size, signedSrc: true, signedDst: signed);
|
|
}
|
|
else /* if (op.Size == 3) */
|
|
{
|
|
de = EmitBinarySatQAccumulate(context, ne, me, signed);
|
|
}
|
|
|
|
res = EmitVectorInsert(context, res, de, index, op.Size);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
OpCodeSimdReg opReg = (OpCodeSimdReg)op;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand ne = EmitVectorExtract(context, opReg.Rn, index, op.Size, signed);
|
|
Operand me = EmitVectorExtract(context, opReg.Rm, index, op.Size, signed);
|
|
|
|
Operand de = EmitSatQ(context, emit(ne, me), op.Size, true, signed);
|
|
|
|
res = EmitVectorInsert(context, res, de, index, op.Size);
|
|
}
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
[Flags]
|
|
public enum SaturatingNarrowFlags
|
|
{
|
|
Scalar = 1 << 0,
|
|
SignedSrc = 1 << 1,
|
|
SignedDst = 1 << 2,
|
|
|
|
ScalarSxSx = Scalar | SignedSrc | SignedDst,
|
|
ScalarSxZx = Scalar | SignedSrc,
|
|
ScalarZxZx = Scalar,
|
|
|
|
VectorSxSx = SignedSrc | SignedDst,
|
|
VectorSxZx = SignedSrc,
|
|
VectorZxZx = 0
|
|
}
|
|
|
|
public static void EmitSaturatingNarrowOp(ArmEmitterContext context, SaturatingNarrowFlags flags)
|
|
{
|
|
OpCodeSimd op = (OpCodeSimd)context.CurrOp;
|
|
|
|
bool scalar = (flags & SaturatingNarrowFlags.Scalar) != 0;
|
|
bool signedSrc = (flags & SaturatingNarrowFlags.SignedSrc) != 0;
|
|
bool signedDst = (flags & SaturatingNarrowFlags.SignedDst) != 0;
|
|
|
|
int elems = !scalar ? 8 >> op.Size : 1;
|
|
|
|
int part = !scalar && (op.RegisterSize == RegisterSize.Simd128) ? elems : 0;
|
|
|
|
Operand d = GetVec(op.Rd);
|
|
|
|
Operand res = part == 0 ? context.VectorZero() : context.Copy(d);
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand ne = EmitVectorExtract(context, op.Rn, index, op.Size + 1, signedSrc);
|
|
|
|
Operand temp = EmitSatQ(context, ne, op.Size, signedSrc, signedDst);
|
|
|
|
res = EmitVectorInsert(context, res, temp, part + index, op.Size);
|
|
}
|
|
|
|
context.Copy(d, res);
|
|
}
|
|
|
|
// TSrc (16bit, 32bit, 64bit; signed, unsigned) > TDst (8bit, 16bit, 32bit; signed, unsigned).
|
|
public static Operand EmitSatQ(ArmEmitterContext context, Operand op, int sizeDst, bool signedSrc, bool signedDst)
|
|
{
|
|
if ((uint)sizeDst > 2u)
|
|
{
|
|
throw new ArgumentOutOfRangeException(nameof(sizeDst));
|
|
}
|
|
|
|
Delegate dlg;
|
|
|
|
if (signedSrc)
|
|
{
|
|
dlg = signedDst
|
|
? (Delegate)new _S64_S64_S32(SoftFallback.SignedSrcSignedDstSatQ)
|
|
: (Delegate)new _U64_S64_S32(SoftFallback.SignedSrcUnsignedDstSatQ);
|
|
}
|
|
else
|
|
{
|
|
dlg = signedDst
|
|
? (Delegate)new _S64_U64_S32(SoftFallback.UnsignedSrcSignedDstSatQ)
|
|
: (Delegate)new _U64_U64_S32(SoftFallback.UnsignedSrcUnsignedDstSatQ);
|
|
}
|
|
|
|
return context.Call(dlg, op, Const(sizeDst));
|
|
}
|
|
|
|
// TSrc (64bit) == TDst (64bit); signed.
|
|
public static Operand EmitUnarySignedSatQAbsOrNeg(ArmEmitterContext context, Operand op)
|
|
{
|
|
Debug.Assert(((OpCodeSimd)context.CurrOp).Size == 3, "Invalid element size.");
|
|
|
|
return context.Call(new _S64_S64(SoftFallback.UnarySignedSatQAbsOrNeg), op);
|
|
}
|
|
|
|
// TSrcs (64bit) == TDst (64bit); signed, unsigned.
|
|
public static Operand EmitBinarySatQAdd(ArmEmitterContext context, Operand op1, Operand op2, bool signed)
|
|
{
|
|
Debug.Assert(((OpCodeSimd)context.CurrOp).Size == 3, "Invalid element size.");
|
|
|
|
Delegate dlg = signed
|
|
? (Delegate)new _S64_S64_S64(SoftFallback.BinarySignedSatQAdd)
|
|
: (Delegate)new _U64_U64_U64(SoftFallback.BinaryUnsignedSatQAdd);
|
|
|
|
return context.Call(dlg, op1, op2);
|
|
}
|
|
|
|
// TSrcs (64bit) == TDst (64bit); signed, unsigned.
|
|
public static Operand EmitBinarySatQSub(ArmEmitterContext context, Operand op1, Operand op2, bool signed)
|
|
{
|
|
Debug.Assert(((OpCodeSimd)context.CurrOp).Size == 3, "Invalid element size.");
|
|
|
|
Delegate dlg = signed
|
|
? (Delegate)new _S64_S64_S64(SoftFallback.BinarySignedSatQSub)
|
|
: (Delegate)new _U64_U64_U64(SoftFallback.BinaryUnsignedSatQSub);
|
|
|
|
return context.Call(dlg, op1, op2);
|
|
}
|
|
|
|
// TSrcs (64bit) == TDst (64bit); signed, unsigned.
|
|
public static Operand EmitBinarySatQAccumulate(ArmEmitterContext context, Operand op1, Operand op2, bool signed)
|
|
{
|
|
Debug.Assert(((OpCodeSimd)context.CurrOp).Size == 3, "Invalid element size.");
|
|
|
|
Delegate dlg = signed
|
|
? (Delegate)new _S64_U64_S64(SoftFallback.BinarySignedSatQAcc)
|
|
: (Delegate)new _U64_S64_U64(SoftFallback.BinaryUnsignedSatQAcc);
|
|
|
|
return context.Call(dlg, op1, op2);
|
|
}
|
|
|
|
public static Operand EmitVectorExtractSx(ArmEmitterContext context, int reg, int index, int size)
|
|
{
|
|
return EmitVectorExtract(context, reg, index, size, true);
|
|
}
|
|
|
|
public static Operand EmitVectorExtractZx(ArmEmitterContext context, int reg, int index, int size)
|
|
{
|
|
return EmitVectorExtract(context, reg, index, size, false);
|
|
}
|
|
|
|
public static Operand EmitVectorExtract(ArmEmitterContext context, int reg, int index, int size, bool signed)
|
|
{
|
|
ThrowIfInvalid(index, size);
|
|
|
|
Operand res = null;
|
|
|
|
switch (size)
|
|
{
|
|
case 0:
|
|
res = context.VectorExtract8(GetVec(reg), index);
|
|
break;
|
|
|
|
case 1:
|
|
res = context.VectorExtract16(GetVec(reg), index);
|
|
break;
|
|
|
|
case 2:
|
|
res = context.VectorExtract(OperandType.I32, GetVec(reg), index);
|
|
break;
|
|
|
|
case 3:
|
|
res = context.VectorExtract(OperandType.I64, GetVec(reg), index);
|
|
break;
|
|
}
|
|
|
|
if (signed)
|
|
{
|
|
switch (size)
|
|
{
|
|
case 0: res = context.SignExtend8 (OperandType.I64, res); break;
|
|
case 1: res = context.SignExtend16(OperandType.I64, res); break;
|
|
case 2: res = context.SignExtend32(OperandType.I64, res); break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
switch (size)
|
|
{
|
|
case 0: res = context.ZeroExtend8 (OperandType.I64, res); break;
|
|
case 1: res = context.ZeroExtend16(OperandType.I64, res); break;
|
|
case 2: res = context.ZeroExtend32(OperandType.I64, res); break;
|
|
}
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
public static Operand EmitVectorInsert(ArmEmitterContext context, Operand vector, Operand value, int index, int size)
|
|
{
|
|
ThrowIfInvalid(index, size);
|
|
|
|
if (size < 3)
|
|
{
|
|
value = context.ConvertI64ToI32(value);
|
|
}
|
|
|
|
switch (size)
|
|
{
|
|
case 0: vector = context.VectorInsert8 (vector, value, index); break;
|
|
case 1: vector = context.VectorInsert16(vector, value, index); break;
|
|
case 2: vector = context.VectorInsert (vector, value, index); break;
|
|
case 3: vector = context.VectorInsert (vector, value, index); break;
|
|
}
|
|
|
|
return vector;
|
|
}
|
|
|
|
private static void ThrowIfInvalid(int index, int size)
|
|
{
|
|
if ((uint)size > 3u)
|
|
{
|
|
throw new ArgumentOutOfRangeException(nameof(size));
|
|
}
|
|
|
|
if ((uint)index >= 16u >> size)
|
|
{
|
|
throw new ArgumentOutOfRangeException(nameof(index));
|
|
}
|
|
}
|
|
}
|
|
}
|