mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-08-19 07:08:43 +02:00
7baa08dcb4
* Implemented in IR the managed methods of the Saturating region ... ... of the SoftFallback class (the SatQ ones). The need to natively manage the Fpcr and Fpsr system registers is still a fact. Contributes to https://github.com/Ryujinx/Ryujinx/issues/2917 ; I will open another PR to implement in Intrinsics-branchless the methods of the Saturation region as well (the SatXXXToXXX ones). All instructions involved have been tested locally in both release and debug modes, in both lowcq and highcq. * Ptc.InternalVersion = 3665 * Addressed PR feedback.
1193 lines
38 KiB
C#
1193 lines
38 KiB
C#
// https://github.com/intel/ARM_NEON_2_x86_SSE/blob/master/NEON_2_SSE.h
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using ARMeilleure.Decoders;
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using ARMeilleure.IntermediateRepresentation;
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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 System.Reflection;
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using static ARMeilleure.Instructions.InstEmitHelper;
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using static ARMeilleure.Instructions.InstEmitSimdHelper;
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using static ARMeilleure.IntermediateRepresentation.Operand.Factory;
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namespace ARMeilleure.Instructions
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{
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using Func2I = Func<Operand, Operand, Operand>;
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static partial class InstEmit
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{
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#region "Masks"
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private static readonly long[] _masks_SliSri = new long[] // Replication masks.
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{
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0x0101010101010101L, 0x0001000100010001L, 0x0000000100000001L, 0x0000000000000001L
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};
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#endregion
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public static void Rshrn_V(ArmEmitterContext context)
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{
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if (Optimizations.UseSsse3)
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{
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OpCodeSimdShImm op = (OpCodeSimdShImm)context.CurrOp;
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int shift = GetImmShr(op);
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long roundConst = 1L << (shift - 1);
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Operand d = GetVec(op.Rd);
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Operand n = GetVec(op.Rn);
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Operand dLow = context.VectorZeroUpper64(d);
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Operand mask = default;
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switch (op.Size + 1)
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{
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case 1: mask = X86GetAllElements(context, (int)roundConst * 0x00010001); break;
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case 2: mask = X86GetAllElements(context, (int)roundConst); break;
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case 3: mask = X86GetAllElements(context, roundConst); break;
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}
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Intrinsic addInst = X86PaddInstruction[op.Size + 1];
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Operand res = context.AddIntrinsic(addInst, n, mask);
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Intrinsic srlInst = X86PsrlInstruction[op.Size + 1];
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res = context.AddIntrinsic(srlInst, res, Const(shift));
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Operand mask2 = X86GetAllElements(context, EvenMasks[op.Size]);
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res = context.AddIntrinsic(Intrinsic.X86Pshufb, res, mask2);
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Intrinsic movInst = op.RegisterSize == RegisterSize.Simd128
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? Intrinsic.X86Movlhps
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: Intrinsic.X86Movhlps;
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res = context.AddIntrinsic(movInst, dLow, res);
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context.Copy(d, res);
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}
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else
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{
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EmitVectorShrImmNarrowOpZx(context, round: true);
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}
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}
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public static void Shl_S(ArmEmitterContext context)
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{
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OpCodeSimdShImm op = (OpCodeSimdShImm)context.CurrOp;
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int shift = GetImmShl(op);
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EmitScalarUnaryOpZx(context, (op1) => context.ShiftLeft(op1, Const(shift)));
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}
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public static void Shl_V(ArmEmitterContext context)
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{
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OpCodeSimdShImm op = (OpCodeSimdShImm)context.CurrOp;
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int shift = GetImmShl(op);
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if (Optimizations.UseSse2 && op.Size > 0)
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{
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Operand n = GetVec(op.Rn);
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Intrinsic sllInst = X86PsllInstruction[op.Size];
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Operand res = context.AddIntrinsic(sllInst, n, Const(shift));
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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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else
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{
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EmitVectorUnaryOpZx(context, (op1) => context.ShiftLeft(op1, Const(shift)));
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}
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}
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public static void Shll_V(ArmEmitterContext context)
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{
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OpCodeSimd op = (OpCodeSimd)context.CurrOp;
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int shift = 8 << op.Size;
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if (Optimizations.UseSse41)
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{
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Operand n = GetVec(op.Rn);
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if (op.RegisterSize == RegisterSize.Simd128)
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{
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n = context.AddIntrinsic(Intrinsic.X86Psrldq, n, Const(8));
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}
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Intrinsic movsxInst = X86PmovsxInstruction[op.Size];
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Operand res = context.AddIntrinsic(movsxInst, n);
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Intrinsic sllInst = X86PsllInstruction[op.Size + 1];
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res = context.AddIntrinsic(sllInst, res, Const(shift));
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context.Copy(GetVec(op.Rd), res);
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}
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else
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{
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EmitVectorShImmWidenBinaryZx(context, (op1, op2) => context.ShiftLeft(op1, op2), shift);
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}
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}
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public static void Shrn_V(ArmEmitterContext context)
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{
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if (Optimizations.UseSsse3)
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{
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OpCodeSimdShImm op = (OpCodeSimdShImm)context.CurrOp;
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int shift = GetImmShr(op);
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Operand d = GetVec(op.Rd);
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Operand n = GetVec(op.Rn);
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Operand dLow = context.VectorZeroUpper64(d);
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Intrinsic srlInst = X86PsrlInstruction[op.Size + 1];
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Operand nShifted = context.AddIntrinsic(srlInst, n, Const(shift));
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Operand mask = X86GetAllElements(context, EvenMasks[op.Size]);
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Operand res = context.AddIntrinsic(Intrinsic.X86Pshufb, nShifted, mask);
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Intrinsic movInst = op.RegisterSize == RegisterSize.Simd128
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? Intrinsic.X86Movlhps
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: Intrinsic.X86Movhlps;
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res = context.AddIntrinsic(movInst, dLow, res);
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context.Copy(d, res);
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}
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else
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{
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EmitVectorShrImmNarrowOpZx(context, round: false);
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}
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}
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public static void Sli_S(ArmEmitterContext context)
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{
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EmitSli(context, scalar: true);
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}
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public static void Sli_V(ArmEmitterContext context)
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{
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EmitSli(context, scalar: false);
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}
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public static void Sqrshl_V(ArmEmitterContext context)
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{
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OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
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Operand res = context.VectorZero();
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int elems = op.GetBytesCount() >> op.Size;
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for (int index = 0; index < elems; index++)
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{
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Operand ne = EmitVectorExtractSx(context, op.Rn, index, op.Size);
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Operand me = EmitVectorExtractSx(context, op.Rm, index, op.Size);
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Operand e = context.Call(typeof(SoftFallback).GetMethod(nameof(SoftFallback.SignedShlRegSatQ)), ne, me, Const(1), Const(op.Size));
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res = EmitVectorInsert(context, res, e, index, op.Size);
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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 Sqrshrn_S(ArmEmitterContext context)
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{
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EmitRoundShrImmSaturatingNarrowOp(context, ShrImmSaturatingNarrowFlags.ScalarSxSx);
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}
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public static void Sqrshrn_V(ArmEmitterContext context)
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{
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EmitRoundShrImmSaturatingNarrowOp(context, ShrImmSaturatingNarrowFlags.VectorSxSx);
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}
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public static void Sqrshrun_S(ArmEmitterContext context)
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{
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EmitRoundShrImmSaturatingNarrowOp(context, ShrImmSaturatingNarrowFlags.ScalarSxZx);
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}
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public static void Sqrshrun_V(ArmEmitterContext context)
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{
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EmitRoundShrImmSaturatingNarrowOp(context, ShrImmSaturatingNarrowFlags.VectorSxZx);
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}
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public static void Sqshl_V(ArmEmitterContext context)
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{
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OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
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Operand res = context.VectorZero();
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int elems = op.GetBytesCount() >> op.Size;
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for (int index = 0; index < elems; index++)
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{
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Operand ne = EmitVectorExtractSx(context, op.Rn, index, op.Size);
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Operand me = EmitVectorExtractSx(context, op.Rm, index, op.Size);
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Operand e = context.Call(typeof(SoftFallback).GetMethod(nameof(SoftFallback.SignedShlRegSatQ)), ne, me, Const(0), Const(op.Size));
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res = EmitVectorInsert(context, res, e, index, op.Size);
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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 Sqshrn_S(ArmEmitterContext context)
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{
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EmitShrImmSaturatingNarrowOp(context, ShrImmSaturatingNarrowFlags.ScalarSxSx);
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}
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public static void Sqshrn_V(ArmEmitterContext context)
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{
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EmitShrImmSaturatingNarrowOp(context, ShrImmSaturatingNarrowFlags.VectorSxSx);
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}
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public static void Sqshrun_S(ArmEmitterContext context)
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{
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EmitShrImmSaturatingNarrowOp(context, ShrImmSaturatingNarrowFlags.ScalarSxZx);
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}
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public static void Sqshrun_V(ArmEmitterContext context)
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{
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EmitShrImmSaturatingNarrowOp(context, ShrImmSaturatingNarrowFlags.VectorSxZx);
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}
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public static void Sri_S(ArmEmitterContext context)
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{
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EmitSri(context, scalar: true);
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}
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public static void Sri_V(ArmEmitterContext context)
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{
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EmitSri(context, scalar: false);
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}
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public static void Srshl_V(ArmEmitterContext context)
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{
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OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
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Operand res = context.VectorZero();
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int elems = op.GetBytesCount() >> op.Size;
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for (int index = 0; index < elems; index++)
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{
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Operand ne = EmitVectorExtractSx(context, op.Rn, index, op.Size);
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Operand me = EmitVectorExtractSx(context, op.Rm, index, op.Size);
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Operand e = context.Call(typeof(SoftFallback).GetMethod(nameof(SoftFallback.SignedShlReg)), ne, me, Const(1), Const(op.Size));
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res = EmitVectorInsert(context, res, e, index, op.Size);
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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 Srshr_S(ArmEmitterContext context)
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{
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EmitScalarShrImmOpSx(context, ShrImmFlags.Round);
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}
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public static void Srshr_V(ArmEmitterContext context)
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{
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OpCodeSimdShImm op = (OpCodeSimdShImm)context.CurrOp;
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if (Optimizations.UseSse2 && op.Size > 0 && op.Size < 3)
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{
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int shift = GetImmShr(op);
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int eSize = 8 << op.Size;
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Operand n = GetVec(op.Rn);
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Intrinsic sllInst = X86PsllInstruction[op.Size];
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Operand res = context.AddIntrinsic(sllInst, n, Const(eSize - shift));
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Intrinsic srlInst = X86PsrlInstruction[op.Size];
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res = context.AddIntrinsic(srlInst, res, Const(eSize - 1));
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Intrinsic sraInst = X86PsraInstruction[op.Size];
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Operand nSra = context.AddIntrinsic(sraInst, n, Const(shift));
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Intrinsic addInst = X86PaddInstruction[op.Size];
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res = context.AddIntrinsic(addInst, res, nSra);
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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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else
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{
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EmitVectorShrImmOpSx(context, ShrImmFlags.Round);
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}
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}
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public static void Srsra_S(ArmEmitterContext context)
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{
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EmitScalarShrImmOpSx(context, ShrImmFlags.Round | ShrImmFlags.Accumulate);
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}
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public static void Srsra_V(ArmEmitterContext context)
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{
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OpCodeSimdShImm op = (OpCodeSimdShImm)context.CurrOp;
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if (Optimizations.UseSse2 && op.Size > 0 && op.Size < 3)
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{
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int shift = GetImmShr(op);
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int eSize = 8 << op.Size;
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Operand d = GetVec(op.Rd);
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Operand n = GetVec(op.Rn);
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Intrinsic sllInst = X86PsllInstruction[op.Size];
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Operand res = context.AddIntrinsic(sllInst, n, Const(eSize - shift));
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Intrinsic srlInst = X86PsrlInstruction[op.Size];
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res = context.AddIntrinsic(srlInst, res, Const(eSize - 1));
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Intrinsic sraInst = X86PsraInstruction[op.Size];
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Operand nSra = context.AddIntrinsic(sraInst, n, Const(shift));
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Intrinsic addInst = X86PaddInstruction[op.Size];
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res = context.AddIntrinsic(addInst, res, nSra);
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res = context.AddIntrinsic(addInst, res, d);
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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(d, res);
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}
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else
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{
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EmitVectorShrImmOpSx(context, ShrImmFlags.Round | ShrImmFlags.Accumulate);
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}
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}
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public static void Sshl_S(ArmEmitterContext context)
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{
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EmitSshlOrUshl(context, signed: true, scalar: true);
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}
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public static void Sshl_V(ArmEmitterContext context)
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{
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EmitSshlOrUshl(context, signed: true, scalar: false);
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}
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public static void Sshll_V(ArmEmitterContext context)
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{
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OpCodeSimdShImm op = (OpCodeSimdShImm)context.CurrOp;
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int shift = GetImmShl(op);
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if (Optimizations.UseSse41)
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{
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Operand n = GetVec(op.Rn);
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if (op.RegisterSize == RegisterSize.Simd128)
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{
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n = context.AddIntrinsic(Intrinsic.X86Psrldq, n, Const(8));
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}
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Intrinsic movsxInst = X86PmovsxInstruction[op.Size];
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Operand res = context.AddIntrinsic(movsxInst, n);
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if (shift != 0)
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{
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Intrinsic sllInst = X86PsllInstruction[op.Size + 1];
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res = context.AddIntrinsic(sllInst, res, Const(shift));
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}
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context.Copy(GetVec(op.Rd), res);
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}
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else
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{
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EmitVectorShImmWidenBinarySx(context, (op1, op2) => context.ShiftLeft(op1, op2), shift);
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}
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}
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public static void Sshr_S(ArmEmitterContext context)
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{
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EmitShrImmOp(context, ShrImmFlags.ScalarSx);
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}
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public static void Sshr_V(ArmEmitterContext context)
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{
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OpCodeSimdShImm op = (OpCodeSimdShImm)context.CurrOp;
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if (Optimizations.UseSse2 && op.Size > 0 && op.Size < 3)
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{
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int shift = GetImmShr(op);
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Operand n = GetVec(op.Rn);
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Intrinsic sraInst = X86PsraInstruction[op.Size];
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Operand res = context.AddIntrinsic(sraInst, n, Const(shift));
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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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else
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{
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EmitShrImmOp(context, ShrImmFlags.VectorSx);
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}
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}
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public static void Ssra_S(ArmEmitterContext context)
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{
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EmitScalarShrImmOpSx(context, ShrImmFlags.Accumulate);
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}
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public static void Ssra_V(ArmEmitterContext context)
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{
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OpCodeSimdShImm op = (OpCodeSimdShImm)context.CurrOp;
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if (Optimizations.UseSse2 && op.Size > 0 && op.Size < 3)
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{
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int shift = GetImmShr(op);
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Operand d = GetVec(op.Rd);
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Operand n = GetVec(op.Rn);
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Intrinsic sraInst = X86PsraInstruction[op.Size];
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Operand res = context.AddIntrinsic(sraInst, n, Const(shift));
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Intrinsic addInst = X86PaddInstruction[op.Size];
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res = context.AddIntrinsic(addInst, res, d);
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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(d, res);
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}
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else
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{
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EmitVectorShrImmOpSx(context, ShrImmFlags.Accumulate);
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}
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}
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public static void Uqrshl_V(ArmEmitterContext context)
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{
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OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
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Operand res = context.VectorZero();
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int elems = op.GetBytesCount() >> op.Size;
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for (int index = 0; index < elems; index++)
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{
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Operand ne = EmitVectorExtractZx(context, op.Rn, index, op.Size);
|
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Operand me = EmitVectorExtractZx(context, op.Rm, index, op.Size);
|
|
|
|
Operand e = context.Call(typeof(SoftFallback).GetMethod(nameof(SoftFallback.UnsignedShlRegSatQ)), ne, me, Const(1), Const(op.Size));
|
|
|
|
res = EmitVectorInsert(context, res, e, index, op.Size);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void Uqrshrn_S(ArmEmitterContext context)
|
|
{
|
|
EmitRoundShrImmSaturatingNarrowOp(context, ShrImmSaturatingNarrowFlags.ScalarZxZx);
|
|
}
|
|
|
|
public static void Uqrshrn_V(ArmEmitterContext context)
|
|
{
|
|
EmitRoundShrImmSaturatingNarrowOp(context, ShrImmSaturatingNarrowFlags.VectorZxZx);
|
|
}
|
|
|
|
public static void Uqshl_V(ArmEmitterContext context)
|
|
{
|
|
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);
|
|
|
|
Operand e = context.Call(typeof(SoftFallback).GetMethod(nameof(SoftFallback.UnsignedShlRegSatQ)), ne, me, Const(0), Const(op.Size));
|
|
|
|
res = EmitVectorInsert(context, res, e, index, op.Size);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void Uqshrn_S(ArmEmitterContext context)
|
|
{
|
|
EmitShrImmSaturatingNarrowOp(context, ShrImmSaturatingNarrowFlags.ScalarZxZx);
|
|
}
|
|
|
|
public static void Uqshrn_V(ArmEmitterContext context)
|
|
{
|
|
EmitShrImmSaturatingNarrowOp(context, ShrImmSaturatingNarrowFlags.VectorZxZx);
|
|
}
|
|
|
|
public static void Urshl_V(ArmEmitterContext context)
|
|
{
|
|
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);
|
|
|
|
Operand e = context.Call(typeof(SoftFallback).GetMethod(nameof(SoftFallback.UnsignedShlReg)), ne, me, Const(1), Const(op.Size));
|
|
|
|
res = EmitVectorInsert(context, res, e, index, op.Size);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
public static void Urshr_S(ArmEmitterContext context)
|
|
{
|
|
EmitScalarShrImmOpZx(context, ShrImmFlags.Round);
|
|
}
|
|
|
|
public static void Urshr_V(ArmEmitterContext context)
|
|
{
|
|
OpCodeSimdShImm op = (OpCodeSimdShImm)context.CurrOp;
|
|
|
|
if (Optimizations.UseSse2 && op.Size > 0)
|
|
{
|
|
int shift = GetImmShr(op);
|
|
int eSize = 8 << op.Size;
|
|
|
|
Operand n = GetVec(op.Rn);
|
|
|
|
Intrinsic sllInst = X86PsllInstruction[op.Size];
|
|
|
|
Operand res = context.AddIntrinsic(sllInst, n, Const(eSize - shift));
|
|
|
|
Intrinsic srlInst = X86PsrlInstruction[op.Size];
|
|
|
|
res = context.AddIntrinsic(srlInst, res, Const(eSize - 1));
|
|
|
|
Operand nSrl = context.AddIntrinsic(srlInst, n, Const(shift));
|
|
|
|
Intrinsic addInst = X86PaddInstruction[op.Size];
|
|
|
|
res = context.AddIntrinsic(addInst, res, nSrl);
|
|
|
|
if (op.RegisterSize == RegisterSize.Simd64)
|
|
{
|
|
res = context.VectorZeroUpper64(res);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
else
|
|
{
|
|
EmitVectorShrImmOpZx(context, ShrImmFlags.Round);
|
|
}
|
|
}
|
|
|
|
public static void Ursra_S(ArmEmitterContext context)
|
|
{
|
|
EmitScalarShrImmOpZx(context, ShrImmFlags.Round | ShrImmFlags.Accumulate);
|
|
}
|
|
|
|
public static void Ursra_V(ArmEmitterContext context)
|
|
{
|
|
OpCodeSimdShImm op = (OpCodeSimdShImm)context.CurrOp;
|
|
|
|
if (Optimizations.UseSse2 && op.Size > 0)
|
|
{
|
|
int shift = GetImmShr(op);
|
|
int eSize = 8 << op.Size;
|
|
|
|
Operand d = GetVec(op.Rd);
|
|
Operand n = GetVec(op.Rn);
|
|
|
|
Intrinsic sllInst = X86PsllInstruction[op.Size];
|
|
|
|
Operand res = context.AddIntrinsic(sllInst, n, Const(eSize - shift));
|
|
|
|
Intrinsic srlInst = X86PsrlInstruction[op.Size];
|
|
|
|
res = context.AddIntrinsic(srlInst, res, Const(eSize - 1));
|
|
|
|
Operand nSrl = context.AddIntrinsic(srlInst, n, Const(shift));
|
|
|
|
Intrinsic addInst = X86PaddInstruction[op.Size];
|
|
|
|
res = context.AddIntrinsic(addInst, res, nSrl);
|
|
res = context.AddIntrinsic(addInst, res, d);
|
|
|
|
if (op.RegisterSize == RegisterSize.Simd64)
|
|
{
|
|
res = context.VectorZeroUpper64(res);
|
|
}
|
|
|
|
context.Copy(d, res);
|
|
}
|
|
else
|
|
{
|
|
EmitVectorShrImmOpZx(context, ShrImmFlags.Round | ShrImmFlags.Accumulate);
|
|
}
|
|
}
|
|
|
|
public static void Ushl_S(ArmEmitterContext context)
|
|
{
|
|
EmitSshlOrUshl(context, signed: false, scalar: true);
|
|
}
|
|
|
|
public static void Ushl_V(ArmEmitterContext context)
|
|
{
|
|
EmitSshlOrUshl(context, signed: false, scalar: false);
|
|
}
|
|
|
|
public static void Ushll_V(ArmEmitterContext context)
|
|
{
|
|
OpCodeSimdShImm op = (OpCodeSimdShImm)context.CurrOp;
|
|
|
|
int shift = GetImmShl(op);
|
|
|
|
if (Optimizations.UseSse41)
|
|
{
|
|
Operand n = GetVec(op.Rn);
|
|
|
|
if (op.RegisterSize == RegisterSize.Simd128)
|
|
{
|
|
n = context.AddIntrinsic(Intrinsic.X86Psrldq, n, Const(8));
|
|
}
|
|
|
|
Intrinsic movzxInst = X86PmovzxInstruction[op.Size];
|
|
|
|
Operand res = context.AddIntrinsic(movzxInst, n);
|
|
|
|
if (shift != 0)
|
|
{
|
|
Intrinsic sllInst = X86PsllInstruction[op.Size + 1];
|
|
|
|
res = context.AddIntrinsic(sllInst, res, Const(shift));
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
else
|
|
{
|
|
EmitVectorShImmWidenBinaryZx(context, (op1, op2) => context.ShiftLeft(op1, op2), shift);
|
|
}
|
|
}
|
|
|
|
public static void Ushr_S(ArmEmitterContext context)
|
|
{
|
|
EmitShrImmOp(context, ShrImmFlags.ScalarZx);
|
|
}
|
|
|
|
public static void Ushr_V(ArmEmitterContext context)
|
|
{
|
|
OpCodeSimdShImm op = (OpCodeSimdShImm)context.CurrOp;
|
|
|
|
if (Optimizations.UseSse2 && op.Size > 0)
|
|
{
|
|
int shift = GetImmShr(op);
|
|
|
|
Operand n = GetVec(op.Rn);
|
|
|
|
Intrinsic srlInst = X86PsrlInstruction[op.Size];
|
|
|
|
Operand res = context.AddIntrinsic(srlInst, n, Const(shift));
|
|
|
|
if (op.RegisterSize == RegisterSize.Simd64)
|
|
{
|
|
res = context.VectorZeroUpper64(res);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
else
|
|
{
|
|
EmitShrImmOp(context, ShrImmFlags.VectorZx);
|
|
}
|
|
}
|
|
|
|
public static void Usra_S(ArmEmitterContext context)
|
|
{
|
|
EmitScalarShrImmOpZx(context, ShrImmFlags.Accumulate);
|
|
}
|
|
|
|
public static void Usra_V(ArmEmitterContext context)
|
|
{
|
|
OpCodeSimdShImm op = (OpCodeSimdShImm)context.CurrOp;
|
|
|
|
if (Optimizations.UseSse2 && op.Size > 0)
|
|
{
|
|
int shift = GetImmShr(op);
|
|
|
|
Operand d = GetVec(op.Rd);
|
|
Operand n = GetVec(op.Rn);
|
|
|
|
Intrinsic srlInst = X86PsrlInstruction[op.Size];
|
|
|
|
Operand res = context.AddIntrinsic(srlInst, n, Const(shift));
|
|
|
|
Intrinsic addInst = X86PaddInstruction[op.Size];
|
|
|
|
res = context.AddIntrinsic(addInst, res, d);
|
|
|
|
if (op.RegisterSize == RegisterSize.Simd64)
|
|
{
|
|
res = context.VectorZeroUpper64(res);
|
|
}
|
|
|
|
context.Copy(d, res);
|
|
}
|
|
else
|
|
{
|
|
EmitVectorShrImmOpZx(context, ShrImmFlags.Accumulate);
|
|
}
|
|
}
|
|
|
|
[Flags]
|
|
private enum ShrImmFlags
|
|
{
|
|
Scalar = 1 << 0,
|
|
Signed = 1 << 1,
|
|
|
|
Round = 1 << 2,
|
|
Accumulate = 1 << 3,
|
|
|
|
ScalarSx = Scalar | Signed,
|
|
ScalarZx = Scalar,
|
|
|
|
VectorSx = Signed,
|
|
VectorZx = 0
|
|
}
|
|
|
|
private static void EmitScalarShrImmOpSx(ArmEmitterContext context, ShrImmFlags flags)
|
|
{
|
|
EmitShrImmOp(context, ShrImmFlags.ScalarSx | flags);
|
|
}
|
|
|
|
private static void EmitScalarShrImmOpZx(ArmEmitterContext context, ShrImmFlags flags)
|
|
{
|
|
EmitShrImmOp(context, ShrImmFlags.ScalarZx | flags);
|
|
}
|
|
|
|
private static void EmitVectorShrImmOpSx(ArmEmitterContext context, ShrImmFlags flags)
|
|
{
|
|
EmitShrImmOp(context, ShrImmFlags.VectorSx | flags);
|
|
}
|
|
|
|
private static void EmitVectorShrImmOpZx(ArmEmitterContext context, ShrImmFlags flags)
|
|
{
|
|
EmitShrImmOp(context, ShrImmFlags.VectorZx | flags);
|
|
}
|
|
|
|
private static void EmitShrImmOp(ArmEmitterContext context, ShrImmFlags flags)
|
|
{
|
|
OpCodeSimdShImm op = (OpCodeSimdShImm)context.CurrOp;
|
|
|
|
Operand res = context.VectorZero();
|
|
|
|
bool scalar = (flags & ShrImmFlags.Scalar) != 0;
|
|
bool signed = (flags & ShrImmFlags.Signed) != 0;
|
|
bool round = (flags & ShrImmFlags.Round) != 0;
|
|
bool accumulate = (flags & ShrImmFlags.Accumulate) != 0;
|
|
|
|
int shift = GetImmShr(op);
|
|
|
|
long roundConst = 1L << (shift - 1);
|
|
|
|
int elems = !scalar ? op.GetBytesCount() >> op.Size : 1;
|
|
|
|
for (int index = 0; index < elems; index++)
|
|
{
|
|
Operand e = EmitVectorExtract(context, op.Rn, index, op.Size, signed);
|
|
|
|
if (op.Size <= 2)
|
|
{
|
|
if (round)
|
|
{
|
|
e = context.Add(e, Const(roundConst));
|
|
}
|
|
|
|
e = signed ? context.ShiftRightSI(e, Const(shift)) : context.ShiftRightUI(e, Const(shift));
|
|
}
|
|
else /* if (op.Size == 3) */
|
|
{
|
|
e = EmitShrImm64(context, e, signed, round ? roundConst : 0L, shift);
|
|
}
|
|
|
|
if (accumulate)
|
|
{
|
|
Operand de = EmitVectorExtract(context, op.Rd, index, op.Size, signed);
|
|
|
|
e = context.Add(e, de);
|
|
}
|
|
|
|
res = EmitVectorInsert(context, res, e, index, op.Size);
|
|
}
|
|
|
|
context.Copy(GetVec(op.Rd), res);
|
|
}
|
|
|
|
private static Operand EmitShlRegOp(ArmEmitterContext context, Operand op, Operand shiftLsB, int size, bool signed)
|
|
{
|
|
Debug.Assert(op.Type == OperandType.I64);
|
|
Debug.Assert(shiftLsB.Type == OperandType.I32);
|
|
Debug.Assert((uint)size < 4u);
|
|
|
|
Operand negShiftLsB = context.Negate(shiftLsB);
|
|
|
|
Operand isInRange = context.BitwiseAnd(
|
|
context.ICompareLess(shiftLsB, Const(8 << size)),
|
|
context.ICompareLess(negShiftLsB, Const(8 << size)));
|
|
|
|
Operand isPositive = context.ICompareGreaterOrEqual(shiftLsB, Const(0));
|
|
|
|
Operand shl = context.ShiftLeft(op, shiftLsB);
|
|
|
|
Operand sarOrShr = signed
|
|
? context.ShiftRightSI(op, negShiftLsB)
|
|
: context.ShiftRightUI(op, negShiftLsB);
|
|
|
|
Operand res = context.ConditionalSelect(isPositive, shl, sarOrShr);
|
|
|
|
if (signed)
|
|
{
|
|
Operand isPositive2 = context.ICompareGreaterOrEqual(op, Const(0L));
|
|
|
|
Operand res2 = context.ConditionalSelect(isPositive2, Const(0L), Const(-1L));
|
|
res2 = context.ConditionalSelect(isPositive, Const(0L), res2);
|
|
|
|
return context.ConditionalSelect(isInRange, res, res2);
|
|
}
|
|
else
|
|
{
|
|
return context.ConditionalSelect(isInRange, res, Const(0UL));
|
|
}
|
|
}
|
|
|
|
private static void EmitVectorShrImmNarrowOpZx(ArmEmitterContext context, bool round)
|
|
{
|
|
OpCodeSimdShImm op = (OpCodeSimdShImm)context.CurrOp;
|
|
|
|
int shift = GetImmShr(op);
|
|
|
|
long roundConst = 1L << (shift - 1);
|
|
|
|
int elems = 8 >> op.Size;
|
|
|
|
int part = 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 e = EmitVectorExtractZx(context, op.Rn, index, op.Size + 1);
|
|
|
|
if (round)
|
|
{
|
|
e = context.Add(e, Const(roundConst));
|
|
}
|
|
|
|
e = context.ShiftRightUI(e, Const(shift));
|
|
|
|
res = EmitVectorInsert(context, res, e, part + index, op.Size);
|
|
}
|
|
|
|
context.Copy(d, res);
|
|
}
|
|
|
|
[Flags]
|
|
private enum ShrImmSaturatingNarrowFlags
|
|
{
|
|
Scalar = 1 << 0,
|
|
SignedSrc = 1 << 1,
|
|
SignedDst = 1 << 2,
|
|
|
|
Round = 1 << 3,
|
|
|
|
ScalarSxSx = Scalar | SignedSrc | SignedDst,
|
|
ScalarSxZx = Scalar | SignedSrc,
|
|
ScalarZxZx = Scalar,
|
|
|
|
VectorSxSx = SignedSrc | SignedDst,
|
|
VectorSxZx = SignedSrc,
|
|
VectorZxZx = 0
|
|
}
|
|
|
|
private static void EmitRoundShrImmSaturatingNarrowOp(ArmEmitterContext context, ShrImmSaturatingNarrowFlags flags)
|
|
{
|
|
EmitShrImmSaturatingNarrowOp(context, ShrImmSaturatingNarrowFlags.Round | flags);
|
|
}
|
|
|
|
private static void EmitShrImmSaturatingNarrowOp(ArmEmitterContext context, ShrImmSaturatingNarrowFlags flags)
|
|
{
|
|
OpCodeSimdShImm op = (OpCodeSimdShImm)context.CurrOp;
|
|
|
|
bool scalar = (flags & ShrImmSaturatingNarrowFlags.Scalar) != 0;
|
|
bool signedSrc = (flags & ShrImmSaturatingNarrowFlags.SignedSrc) != 0;
|
|
bool signedDst = (flags & ShrImmSaturatingNarrowFlags.SignedDst) != 0;
|
|
bool round = (flags & ShrImmSaturatingNarrowFlags.Round) != 0;
|
|
|
|
int shift = GetImmShr(op);
|
|
|
|
long roundConst = 1L << (shift - 1);
|
|
|
|
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 e = EmitVectorExtract(context, op.Rn, index, op.Size + 1, signedSrc);
|
|
|
|
if (op.Size <= 1 || !round)
|
|
{
|
|
if (round)
|
|
{
|
|
e = context.Add(e, Const(roundConst));
|
|
}
|
|
|
|
e = signedSrc ? context.ShiftRightSI(e, Const(shift)) : context.ShiftRightUI(e, Const(shift));
|
|
}
|
|
else /* if (op.Size == 2 && round) */
|
|
{
|
|
e = EmitShrImm64(context, e, signedSrc, roundConst, shift); // shift <= 32
|
|
}
|
|
|
|
e = signedSrc ? EmitSignedSrcSatQ(context, e, op.Size, signedDst) : EmitUnsignedSrcSatQ(context, e, op.Size, signedDst);
|
|
|
|
res = EmitVectorInsert(context, res, e, part + index, op.Size);
|
|
}
|
|
|
|
context.Copy(d, res);
|
|
}
|
|
|
|
// dst64 = (Int(src64, signed) + roundConst) >> shift;
|
|
private static Operand EmitShrImm64(
|
|
ArmEmitterContext context,
|
|
Operand value,
|
|
bool signed,
|
|
long roundConst,
|
|
int shift)
|
|
{
|
|
MethodInfo info = signed
|
|
? typeof(SoftFallback).GetMethod(nameof(SoftFallback.SignedShrImm64))
|
|
: typeof(SoftFallback).GetMethod(nameof(SoftFallback.UnsignedShrImm64));
|
|
|
|
return context.Call(info, value, Const(roundConst), Const(shift));
|
|
}
|
|
|
|
private static void EmitVectorShImmWidenBinarySx(ArmEmitterContext context, Func2I emit, int imm)
|
|
{
|
|
EmitVectorShImmWidenBinaryOp(context, emit, imm, signed: true);
|
|
}
|
|
|
|
private static void EmitVectorShImmWidenBinaryZx(ArmEmitterContext context, Func2I emit, int imm)
|
|
{
|
|
EmitVectorShImmWidenBinaryOp(context, emit, imm, signed: false);
|
|
}
|
|
|
|
private static void EmitVectorShImmWidenBinaryOp(ArmEmitterContext context, Func2I emit, int imm, bool signed)
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{
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OpCodeSimd op = (OpCodeSimd)context.CurrOp;
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Operand res = context.VectorZero();
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int elems = 8 >> op.Size;
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int part = op.RegisterSize == RegisterSize.Simd128 ? elems : 0;
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for (int index = 0; index < elems; index++)
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{
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Operand ne = EmitVectorExtract(context, op.Rn, part + index, op.Size, signed);
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res = EmitVectorInsert(context, res, emit(ne, Const(imm)), index, op.Size + 1);
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}
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context.Copy(GetVec(op.Rd), res);
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}
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private static void EmitSli(ArmEmitterContext context, bool scalar)
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{
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OpCodeSimdShImm op = (OpCodeSimdShImm)context.CurrOp;
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int shift = GetImmShl(op);
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ulong mask = shift != 0 ? ulong.MaxValue >> (64 - shift) : 0UL;
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if (Optimizations.UseSse2 && op.Size > 0)
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{
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Operand d = GetVec(op.Rd);
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Operand n = GetVec(op.Rn);
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Intrinsic sllInst = X86PsllInstruction[op.Size];
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Operand nShifted = context.AddIntrinsic(sllInst, n, Const(shift));
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Operand dMask = X86GetAllElements(context, (long)mask * _masks_SliSri[op.Size]);
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Operand dMasked = context.AddIntrinsic(Intrinsic.X86Pand, d, dMask);
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Operand res = context.AddIntrinsic(Intrinsic.X86Por, nShifted, dMasked);
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if ((op.RegisterSize == RegisterSize.Simd64) || scalar)
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{
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res = context.VectorZeroUpper64(res);
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}
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context.Copy(d, res);
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}
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else
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{
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Operand res = context.VectorZero();
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int elems = !scalar ? op.GetBytesCount() >> op.Size : 1;
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for (int index = 0; index < elems; index++)
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{
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Operand ne = EmitVectorExtractZx(context, op.Rn, index, op.Size);
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Operand neShifted = context.ShiftLeft(ne, Const(shift));
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Operand de = EmitVectorExtractZx(context, op.Rd, index, op.Size);
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Operand deMasked = context.BitwiseAnd(de, Const(mask));
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Operand e = context.BitwiseOr(neShifted, deMasked);
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res = EmitVectorInsert(context, res, e, index, op.Size);
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}
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context.Copy(GetVec(op.Rd), res);
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}
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}
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private static void EmitSri(ArmEmitterContext context, bool scalar)
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{
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OpCodeSimdShImm op = (OpCodeSimdShImm)context.CurrOp;
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int shift = GetImmShr(op);
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int eSize = 8 << op.Size;
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ulong mask = (ulong.MaxValue << (eSize - shift)) & (ulong.MaxValue >> (64 - eSize));
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if (Optimizations.UseSse2 && op.Size > 0)
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{
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Operand d = GetVec(op.Rd);
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Operand n = GetVec(op.Rn);
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Intrinsic srlInst = X86PsrlInstruction[op.Size];
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Operand nShifted = context.AddIntrinsic(srlInst, n, Const(shift));
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Operand dMask = X86GetAllElements(context, (long)mask * _masks_SliSri[op.Size]);
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Operand dMasked = context.AddIntrinsic(Intrinsic.X86Pand, d, dMask);
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Operand res = context.AddIntrinsic(Intrinsic.X86Por, nShifted, dMasked);
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if ((op.RegisterSize == RegisterSize.Simd64) || scalar)
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{
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res = context.VectorZeroUpper64(res);
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}
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context.Copy(d, res);
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}
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else
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{
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Operand res = context.VectorZero();
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int elems = !scalar ? op.GetBytesCount() >> op.Size : 1;
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for (int index = 0; index < elems; index++)
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{
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Operand ne = EmitVectorExtractZx(context, op.Rn, index, op.Size);
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Operand neShifted = shift != 64 ? context.ShiftRightUI(ne, Const(shift)) : Const(0UL);
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Operand de = EmitVectorExtractZx(context, op.Rd, index, op.Size);
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Operand deMasked = context.BitwiseAnd(de, Const(mask));
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Operand e = context.BitwiseOr(neShifted, deMasked);
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res = EmitVectorInsert(context, res, e, index, op.Size);
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}
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context.Copy(GetVec(op.Rd), res);
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}
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}
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private static void EmitSshlOrUshl(ArmEmitterContext context, bool signed, bool scalar)
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{
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OpCodeSimdReg op = (OpCodeSimdReg)context.CurrOp;
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Operand res = context.VectorZero();
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int elems = !scalar ? op.GetBytesCount() >> op.Size : 1;
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for (int index = 0; index < elems; index++)
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{
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Operand ne = EmitVectorExtract (context, op.Rn, index, op.Size, signed);
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Operand me = EmitVectorExtractSx(context, op.Rm, index << op.Size, 0);
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Operand e = EmitShlRegOp(context, ne, context.ConvertI64ToI32(me), op.Size, signed);
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res = EmitVectorInsert(context, res, e, index, op.Size);
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}
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context.Copy(GetVec(op.Rd), res);
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}
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}
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}
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