678 lines
No EOL
21 KiB
C#
678 lines
No EOL
21 KiB
C#
using ChocolArm64.Decoder;
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using ChocolArm64.State;
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using ChocolArm64.Translation;
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using System;
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using System.Reflection;
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namespace ChocolArm64.Instruction
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{
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static class AInstEmitSimdHelper
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{
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[Flags]
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public enum OperFlags
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{
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Rd = 1 << 0,
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Rn = 1 << 1,
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Rm = 1 << 2,
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Ra = 1 << 3,
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RnRm = Rn | Rm,
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RdRn = Rd | Rn,
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RaRnRm = Ra | Rn | Rm,
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RdRnRm = Rd | Rn | Rm
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}
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public static int GetImmShl(AOpCodeSimdShImm 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(AOpCodeSimdShImm 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 void EmitUnaryMathCall(AILEmitterCtx Context, string Name)
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{
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IAOpCodeSimd Op = (IAOpCodeSimd)Context.CurrOp;
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int SizeF = Op.Size & 1;
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MethodInfo MthdInfo;
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if (SizeF == 0)
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{
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MthdInfo = typeof(MathF).GetMethod(Name, new Type[] { typeof(float) });
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}
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else /* if (SizeF == 1) */
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{
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MthdInfo = typeof(Math).GetMethod(Name, new Type[] { typeof(double) });
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}
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Context.EmitCall(MthdInfo);
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}
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public static void EmitBinaryMathCall(AILEmitterCtx Context, string Name)
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{
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IAOpCodeSimd Op = (IAOpCodeSimd)Context.CurrOp;
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int SizeF = Op.Size & 1;
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MethodInfo MthdInfo;
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if (SizeF == 0)
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{
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MthdInfo = typeof(MathF).GetMethod(Name, new Type[] { typeof(float), typeof(float) });
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}
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else /* if (SizeF == 1) */
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{
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MthdInfo = typeof(Math).GetMethod(Name, new Type[] { typeof(double), typeof(double) });
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}
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Context.EmitCall(MthdInfo);
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}
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public static void EmitRoundMathCall(AILEmitterCtx Context, MidpointRounding RoundMode)
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{
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IAOpCodeSimd Op = (IAOpCodeSimd)Context.CurrOp;
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int SizeF = Op.Size & 1;
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Context.EmitLdc_I4((int)RoundMode);
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MethodInfo MthdInfo;
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Type[] Types = new Type[] { null, typeof(MidpointRounding) };
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Types[0] = SizeF == 0
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? typeof(float)
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: typeof(double);
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if (SizeF == 0)
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{
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MthdInfo = typeof(MathF).GetMethod(nameof(MathF.Round), Types);
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}
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else /* if (SizeF == 1) */
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{
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MthdInfo = typeof(Math).GetMethod(nameof(Math.Round), Types);
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}
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Context.EmitCall(MthdInfo);
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}
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public static void EmitScalarUnaryOpSx(AILEmitterCtx Context, Action Emit)
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{
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EmitScalarOp(Context, Emit, OperFlags.Rn, true);
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}
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public static void EmitScalarBinaryOpSx(AILEmitterCtx Context, Action Emit)
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{
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EmitScalarOp(Context, Emit, OperFlags.RnRm, true);
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}
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public static void EmitScalarUnaryOpZx(AILEmitterCtx Context, Action Emit)
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{
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EmitScalarOp(Context, Emit, OperFlags.Rn, false);
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}
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public static void EmitScalarBinaryOpZx(AILEmitterCtx Context, Action Emit)
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{
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EmitScalarOp(Context, Emit, OperFlags.RnRm, false);
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}
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public static void EmitScalarTernaryOpZx(AILEmitterCtx Context, Action Emit)
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{
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EmitScalarOp(Context, Emit, OperFlags.RdRnRm, false);
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}
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public static void EmitScalarOp(AILEmitterCtx Context, Action Emit, OperFlags Opers, bool Signed)
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{
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AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
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if (Opers.HasFlag(OperFlags.Rd))
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{
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EmitVectorExtract(Context, Op.Rd, 0, Op.Size, Signed);
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}
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if (Opers.HasFlag(OperFlags.Rn))
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{
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EmitVectorExtract(Context, Op.Rn, 0, Op.Size, Signed);
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}
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if (Opers.HasFlag(OperFlags.Rm))
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{
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EmitVectorExtract(Context, ((AOpCodeSimdReg)Op).Rm, 0, Op.Size, Signed);
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}
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Emit();
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EmitScalarSet(Context, Op.Rd, Op.Size);
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}
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public static void EmitScalarUnaryOpF(AILEmitterCtx Context, Action Emit)
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{
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EmitScalarOpF(Context, Emit, OperFlags.Rn);
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}
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public static void EmitScalarBinaryOpF(AILEmitterCtx Context, Action Emit)
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{
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EmitScalarOpF(Context, Emit, OperFlags.RnRm);
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}
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public static void EmitScalarTernaryRaOpF(AILEmitterCtx Context, Action Emit)
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{
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EmitScalarOpF(Context, Emit, OperFlags.RaRnRm);
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}
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public static void EmitScalarOpF(AILEmitterCtx Context, Action Emit, OperFlags Opers)
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{
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AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
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int SizeF = Op.Size & 1;
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if (Opers.HasFlag(OperFlags.Ra))
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{
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EmitVectorExtractF(Context, ((AOpCodeSimdReg)Op).Ra, 0, SizeF);
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}
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if (Opers.HasFlag(OperFlags.Rn))
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{
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EmitVectorExtractF(Context, Op.Rn, 0, SizeF);
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}
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if (Opers.HasFlag(OperFlags.Rm))
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{
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EmitVectorExtractF(Context, ((AOpCodeSimdReg)Op).Rm, 0, SizeF);
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}
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Emit();
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EmitScalarSetF(Context, Op.Rd, SizeF);
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}
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public static void EmitVectorUnaryOpF(AILEmitterCtx Context, Action Emit)
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{
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EmitVectorOpF(Context, Emit, OperFlags.Rn);
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}
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public static void EmitVectorBinaryOpF(AILEmitterCtx Context, Action Emit)
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{
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EmitVectorOpF(Context, Emit, OperFlags.RnRm);
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}
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public static void EmitVectorTernaryOpF(AILEmitterCtx Context, Action Emit)
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{
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EmitVectorOpF(Context, Emit, OperFlags.RdRnRm);
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}
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public static void EmitVectorOpF(AILEmitterCtx Context, Action Emit, OperFlags Opers)
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{
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AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
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int SizeF = Op.Size & 1;
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int Bytes = Context.CurrOp.GetBitsCount() >> 3;
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for (int Index = 0; Index < (Bytes >> SizeF + 2); Index++)
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{
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if (Opers.HasFlag(OperFlags.Rd))
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{
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EmitVectorExtractF(Context, Op.Rd, Index, SizeF);
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}
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if (Opers.HasFlag(OperFlags.Rn))
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{
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EmitVectorExtractF(Context, Op.Rn, Index, SizeF);
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}
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if (Opers.HasFlag(OperFlags.Rm))
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{
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EmitVectorExtractF(Context, ((AOpCodeSimdReg)Op).Rm, Index, SizeF);
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}
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Emit();
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EmitVectorInsertF(Context, Op.Rd, Index, SizeF);
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}
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if (Op.RegisterSize == ARegisterSize.SIMD64)
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{
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EmitVectorZeroUpper(Context, Op.Rd);
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}
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}
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public static void EmitVectorBinaryOpByElemF(AILEmitterCtx Context, Action Emit)
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{
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AOpCodeSimdRegElemF Op = (AOpCodeSimdRegElemF)Context.CurrOp;
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EmitVectorOpByElemF(Context, Emit, Op.Index, Ternary: false);
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}
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public static void EmitVectorTernaryOpByElemF(AILEmitterCtx Context, Action Emit)
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{
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AOpCodeSimdRegElemF Op = (AOpCodeSimdRegElemF)Context.CurrOp;
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EmitVectorOpByElemF(Context, Emit, Op.Index, Ternary: true);
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}
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public static void EmitVectorOpByElemF(AILEmitterCtx Context, Action Emit, int Elem, bool Ternary)
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{
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AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
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int SizeF = Op.Size & 1;
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int Bytes = Context.CurrOp.GetBitsCount() >> 3;
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for (int Index = 0; Index < (Bytes >> SizeF + 2); Index++)
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{
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if (Ternary)
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{
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EmitVectorExtractF(Context, Op.Rd, Index, SizeF);
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}
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EmitVectorExtractF(Context, Op.Rn, Index, SizeF);
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EmitVectorExtractF(Context, Op.Rm, Elem, SizeF);
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Emit();
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EmitVectorInsertTmpF(Context, Index, SizeF);
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}
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Context.EmitLdvectmp();
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Context.EmitStvec(Op.Rd);
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if (Op.RegisterSize == ARegisterSize.SIMD64)
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{
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EmitVectorZeroUpper(Context, Op.Rd);
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}
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}
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public static void EmitVectorUnaryOpSx(AILEmitterCtx Context, Action Emit)
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{
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EmitVectorOp(Context, Emit, OperFlags.Rn, true);
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}
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public static void EmitVectorBinaryOpSx(AILEmitterCtx Context, Action Emit)
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{
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EmitVectorOp(Context, Emit, OperFlags.RnRm, true);
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}
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public static void EmitVectorUnaryOpZx(AILEmitterCtx Context, Action Emit)
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{
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EmitVectorOp(Context, Emit, OperFlags.Rn, false);
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}
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public static void EmitVectorBinaryOpZx(AILEmitterCtx Context, Action Emit)
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{
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EmitVectorOp(Context, Emit, OperFlags.RnRm, false);
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}
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public static void EmitVectorTernaryOpZx(AILEmitterCtx Context, Action Emit)
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{
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EmitVectorOp(Context, Emit, OperFlags.RdRnRm, false);
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}
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public static void EmitVectorOp(AILEmitterCtx Context, Action Emit, OperFlags Opers, bool Signed)
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{
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AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
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int Bytes = Context.CurrOp.GetBitsCount() >> 3;
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for (int Index = 0; Index < (Bytes >> Op.Size); Index++)
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{
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if (Opers.HasFlag(OperFlags.Rd))
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{
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EmitVectorExtract(Context, Op.Rd, Index, Op.Size, Signed);
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}
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if (Opers.HasFlag(OperFlags.Rn))
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{
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EmitVectorExtract(Context, Op.Rn, Index, Op.Size, Signed);
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}
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if (Opers.HasFlag(OperFlags.Rm))
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{
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EmitVectorExtract(Context, ((AOpCodeSimdReg)Op).Rm, Index, Op.Size, Signed);
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}
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Emit();
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EmitVectorInsert(Context, Op.Rd, Index, Op.Size);
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}
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if (Op.RegisterSize == ARegisterSize.SIMD64)
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{
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EmitVectorZeroUpper(Context, Op.Rd);
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}
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}
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public static void EmitVectorBinaryOpByElemSx(AILEmitterCtx Context, Action Emit)
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{
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AOpCodeSimdRegElem Op = (AOpCodeSimdRegElem)Context.CurrOp;
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EmitVectorOpByElem(Context, Emit, Op.Index, false, true);
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}
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public static void EmitVectorBinaryOpByElemZx(AILEmitterCtx Context, Action Emit)
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{
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AOpCodeSimdRegElem Op = (AOpCodeSimdRegElem)Context.CurrOp;
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EmitVectorOpByElem(Context, Emit, Op.Index, false, false);
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}
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public static void EmitVectorTernaryOpByElemZx(AILEmitterCtx Context, Action Emit)
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{
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AOpCodeSimdRegElem Op = (AOpCodeSimdRegElem)Context.CurrOp;
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EmitVectorOpByElem(Context, Emit, Op.Index, true, false);
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}
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public static void EmitVectorOpByElem(AILEmitterCtx Context, Action Emit, int Elem, bool Ternary, bool Signed)
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{
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AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
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int Bytes = Context.CurrOp.GetBitsCount() >> 3;
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for (int Index = 0; Index < (Bytes >> Op.Size); Index++)
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{
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if (Ternary)
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{
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EmitVectorExtract(Context, Op.Rd, Index, Op.Size, Signed);
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}
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EmitVectorExtract(Context, Op.Rn, Index, Op.Size, Signed);
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EmitVectorExtract(Context, Op.Rm, Index, Op.Size, Signed);
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Emit();
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EmitVectorInsert(Context, Op.Rd, Index, Op.Size);
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}
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if (Op.RegisterSize == ARegisterSize.SIMD64)
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{
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EmitVectorZeroUpper(Context, Op.Rd);
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}
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}
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public static void EmitVectorImmUnaryOp(AILEmitterCtx Context, Action Emit)
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{
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EmitVectorImmOp(Context, Emit, false);
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}
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public static void EmitVectorImmBinaryOp(AILEmitterCtx Context, Action Emit)
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{
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EmitVectorImmOp(Context, Emit, true);
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}
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public static void EmitVectorImmOp(AILEmitterCtx Context, Action Emit, bool Binary)
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{
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AOpCodeSimdImm Op = (AOpCodeSimdImm)Context.CurrOp;
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int Bytes = Context.CurrOp.GetBitsCount() >> 3;
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for (int Index = 0; Index < (Bytes >> Op.Size); Index++)
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{
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if (Binary)
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{
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EmitVectorExtractZx(Context, Op.Rd, Index, Op.Size);
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}
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Context.EmitLdc_I8(Op.Imm);
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Emit();
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EmitVectorInsert(Context, Op.Rd, Index, Op.Size);
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}
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if (Op.RegisterSize == ARegisterSize.SIMD64)
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{
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EmitVectorZeroUpper(Context, Op.Rd);
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}
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}
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public static void EmitVectorWidenRmBinaryOpSx(AILEmitterCtx Context, Action Emit)
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{
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EmitVectorWidenRmBinaryOp(Context, Emit, true);
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}
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public static void EmitVectorWidenRmBinaryOpZx(AILEmitterCtx Context, Action Emit)
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{
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EmitVectorWidenRmBinaryOp(Context, Emit, false);
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}
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public static void EmitVectorWidenRmBinaryOp(AILEmitterCtx Context, Action Emit, bool Signed)
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{
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AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
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int Elems = 8 >> Op.Size;
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int Part = Op.RegisterSize == ARegisterSize.SIMD128 ? Elems : 0;
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for (int Index = 0; Index < Elems; Index++)
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{
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EmitVectorExtract(Context, Op.Rn, Index, Op.Size + 1, Signed);
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EmitVectorExtract(Context, Op.Rm, Part + Index, Op.Size, Signed);
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Emit();
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EmitVectorInsertTmp(Context, Index, Op.Size + 1);
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}
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Context.EmitLdvectmp();
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Context.EmitStvec(Op.Rd);
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}
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public static void EmitVectorWidenRnRmBinaryOpSx(AILEmitterCtx Context, Action Emit)
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{
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EmitVectorWidenRnRmOp(Context, Emit, false, true);
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}
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public static void EmitVectorWidenRnRmBinaryOpZx(AILEmitterCtx Context, Action Emit)
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{
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EmitVectorWidenRnRmOp(Context, Emit, false, false);
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}
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public static void EmitVectorWidenRnRmTernaryOpSx(AILEmitterCtx Context, Action Emit)
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{
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EmitVectorWidenRnRmOp(Context, Emit, true, true);
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}
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public static void EmitVectorWidenRnRmTernaryOpZx(AILEmitterCtx Context, Action Emit)
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{
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EmitVectorWidenRnRmOp(Context, Emit, true, false);
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}
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public static void EmitVectorWidenRnRmOp(AILEmitterCtx Context, Action Emit, bool Ternary, bool Signed)
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{
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AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
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int Elems = 8 >> Op.Size;
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int Part = Op.RegisterSize == ARegisterSize.SIMD128 ? Elems : 0;
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for (int Index = 0; Index < Elems; Index++)
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{
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if (Ternary)
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{
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EmitVectorExtract(Context, Op.Rd, Index, Op.Size + 1, Signed);
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}
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EmitVectorExtract(Context, Op.Rn, Part + Index, Op.Size, Signed);
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EmitVectorExtract(Context, Op.Rm, Part + Index, Op.Size, Signed);
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Emit();
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EmitVectorInsertTmp(Context, Index, Op.Size + 1);
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}
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Context.EmitLdvectmp();
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Context.EmitStvec(Op.Rd);
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}
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public static void EmitScalarSet(AILEmitterCtx Context, int Reg, int Size)
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{
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EmitVectorZeroAll(Context, Reg);
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EmitVectorInsert(Context, Reg, 0, Size);
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}
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public static void EmitScalarSetF(AILEmitterCtx Context, int Reg, int Size)
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{
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EmitVectorZeroAll(Context, Reg);
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EmitVectorInsertF(Context, Reg, 0, Size);
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}
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public static void EmitVectorExtractSx(AILEmitterCtx Context, int Reg, int Index, int Size)
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{
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EmitVectorExtract(Context, Reg, Index, Size, true);
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}
|
|
|
|
public static void EmitVectorExtractZx(AILEmitterCtx Context, int Reg, int Index, int Size)
|
|
{
|
|
EmitVectorExtract(Context, Reg, Index, Size, false);
|
|
}
|
|
|
|
public static void EmitVectorExtract(AILEmitterCtx Context, int Reg, int Index, int Size, bool Signed)
|
|
{
|
|
if (Size < 0 || Size > 3)
|
|
{
|
|
throw new ArgumentOutOfRangeException(nameof(Size));
|
|
}
|
|
|
|
IAOpCodeSimd Op = (IAOpCodeSimd)Context.CurrOp;
|
|
|
|
Context.EmitLdvec(Reg);
|
|
Context.EmitLdc_I4(Index);
|
|
Context.EmitLdc_I4(Size);
|
|
|
|
ASoftFallback.EmitCall(Context, Signed
|
|
? nameof(ASoftFallback.VectorExtractIntSx)
|
|
: nameof(ASoftFallback.VectorExtractIntZx));
|
|
}
|
|
|
|
public static void EmitVectorExtractF(AILEmitterCtx Context, int Reg, int Index, int Size)
|
|
{
|
|
Context.EmitLdvec(Reg);
|
|
Context.EmitLdc_I4(Index);
|
|
|
|
if (Size == 0)
|
|
{
|
|
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.VectorExtractSingle));
|
|
}
|
|
else if (Size == 1)
|
|
{
|
|
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.VectorExtractDouble));
|
|
}
|
|
else
|
|
{
|
|
throw new ArgumentOutOfRangeException(nameof(Size));
|
|
}
|
|
}
|
|
|
|
public static void EmitVectorZeroAll(AILEmitterCtx Context, int Rd)
|
|
{
|
|
EmitVectorZeroLower(Context, Rd);
|
|
EmitVectorZeroUpper(Context, Rd);
|
|
}
|
|
|
|
public static void EmitVectorZeroLower(AILEmitterCtx Context, int Rd)
|
|
{
|
|
EmitVectorInsert(Context, Rd, 0, 3, 0);
|
|
}
|
|
|
|
public static void EmitVectorZeroUpper(AILEmitterCtx Context, int Rd)
|
|
{
|
|
EmitVectorInsert(Context, Rd, 1, 3, 0);
|
|
}
|
|
|
|
public static void EmitVectorInsert(AILEmitterCtx Context, int Reg, int Index, int Size)
|
|
{
|
|
if (Size < 0 || Size > 3)
|
|
{
|
|
throw new ArgumentOutOfRangeException(nameof(Size));
|
|
}
|
|
|
|
Context.EmitLdvec(Reg);
|
|
Context.EmitLdc_I4(Index);
|
|
Context.EmitLdc_I4(Size);
|
|
|
|
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.VectorInsertInt));
|
|
|
|
Context.EmitStvec(Reg);
|
|
}
|
|
|
|
public static void EmitVectorInsertTmp(AILEmitterCtx Context, int Index, int Size)
|
|
{
|
|
if (Size < 0 || Size > 3)
|
|
{
|
|
throw new ArgumentOutOfRangeException(nameof(Size));
|
|
}
|
|
|
|
Context.EmitLdvectmp();
|
|
Context.EmitLdc_I4(Index);
|
|
Context.EmitLdc_I4(Size);
|
|
|
|
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.VectorInsertInt));
|
|
|
|
Context.EmitStvectmp();
|
|
}
|
|
|
|
public static void EmitVectorInsert(AILEmitterCtx Context, int Reg, int Index, int Size, long Value)
|
|
{
|
|
if (Size < 0 || Size > 3)
|
|
{
|
|
throw new ArgumentOutOfRangeException(nameof(Size));
|
|
}
|
|
|
|
Context.EmitLdc_I8(Value);
|
|
Context.EmitLdvec(Reg);
|
|
Context.EmitLdc_I4(Index);
|
|
Context.EmitLdc_I4(Size);
|
|
|
|
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.VectorInsertInt));
|
|
|
|
Context.EmitStvec(Reg);
|
|
}
|
|
|
|
public static void EmitVectorInsertF(AILEmitterCtx Context, int Reg, int Index, int Size)
|
|
{
|
|
Context.EmitLdvec(Reg);
|
|
Context.EmitLdc_I4(Index);
|
|
|
|
if (Size == 0)
|
|
{
|
|
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.VectorInsertSingle));
|
|
}
|
|
else if (Size == 1)
|
|
{
|
|
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.VectorInsertDouble));
|
|
}
|
|
else
|
|
{
|
|
throw new ArgumentOutOfRangeException(nameof(Size));
|
|
}
|
|
|
|
Context.EmitStvec(Reg);
|
|
}
|
|
|
|
public static void EmitVectorInsertTmpF(AILEmitterCtx Context, int Index, int Size)
|
|
{
|
|
Context.EmitLdvectmp();
|
|
Context.EmitLdc_I4(Index);
|
|
|
|
if (Size == 0)
|
|
{
|
|
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.VectorInsertSingle));
|
|
}
|
|
else if (Size == 1)
|
|
{
|
|
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.VectorInsertDouble));
|
|
}
|
|
else
|
|
{
|
|
throw new ArgumentOutOfRangeException(nameof(Size));
|
|
}
|
|
|
|
Context.EmitStvectmp();
|
|
}
|
|
}
|
|
} |