mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-11-30 20:02:02 +00:00
9a49f8aec9
* Add Vmvn (register), tests for both Vmvn variants. * Add Vpmin, Vpmax, improve Non-FastFp accuracy for Vpadd * Rebase on top of PTC. * Add Nopcode * Increment PTC version. * Fix nits.
1266 lines
48 KiB
C#
1266 lines
48 KiB
C#
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 static ARMeilleure.Instructions.InstEmitFlowHelper;
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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.Instructions.InstEmitSimdHelper32;
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using static ARMeilleure.IntermediateRepresentation.OperandHelper;
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namespace ARMeilleure.Instructions
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{
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static partial class InstEmit32
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{
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public static void Vabs_S(ArmEmitterContext context)
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{
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OpCode32SimdS op = (OpCode32SimdS)context.CurrOp;
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if (Optimizations.FastFP && Optimizations.UseSse2)
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{
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EmitScalarUnaryOpSimd32(context, (m) =>
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{
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return EmitFloatAbs(context, m, (op.Size & 1) == 0, false);
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});
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}
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else
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{
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EmitScalarUnaryOpF32(context, (op1) => EmitUnaryMathCall(context, nameof(Math.Abs), op1));
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}
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}
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public static void Vabs_V(ArmEmitterContext context)
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{
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OpCode32Simd op = (OpCode32Simd)context.CurrOp;
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if (op.F)
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{
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if (Optimizations.FastFP && Optimizations.UseSse2)
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{
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EmitVectorUnaryOpSimd32(context, (m) =>
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{
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return EmitFloatAbs(context, m, (op.Size & 1) == 0, true);
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});
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}
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else
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{
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EmitVectorUnaryOpF32(context, (op1) => EmitUnaryMathCall(context, nameof(Math.Abs), op1));
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}
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}
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else
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{
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EmitVectorUnaryOpSx32(context, (op1) => EmitAbs(context, op1));
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}
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}
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private static Operand EmitAbs(ArmEmitterContext context, Operand value)
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{
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Operand isPositive = context.ICompareGreaterOrEqual(value, Const(value.Type, 0));
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return context.ConditionalSelect(isPositive, value, context.Negate(value));
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}
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public static void Vadd_S(ArmEmitterContext context)
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{
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if (Optimizations.FastFP && Optimizations.UseSse2)
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{
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EmitScalarBinaryOpF32(context, Intrinsic.X86Addss, Intrinsic.X86Addsd);
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}
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else if (Optimizations.FastFP)
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{
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EmitScalarBinaryOpF32(context, (op1, op2) => context.Add(op1, op2));
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}
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else
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{
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EmitScalarBinaryOpF32(context, (op1, op2) => EmitSoftFloatCall(context, nameof(SoftFloat32.FPAdd), op1, op2));
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}
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}
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public static void Vadd_V(ArmEmitterContext context)
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{
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if (Optimizations.FastFP && Optimizations.UseSse2)
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{
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EmitVectorBinaryOpF32(context, Intrinsic.X86Addps, Intrinsic.X86Addpd);
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}
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else if (Optimizations.FastFP)
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{
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EmitVectorBinaryOpF32(context, (op1, op2) => context.Add(op1, op2));
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}
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else
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{
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EmitVectorBinaryOpF32(context, (op1, op2) => EmitSoftFloatCallDefaultFpscr(context, nameof(SoftFloat32.FPAddFpscr), op1, op2));
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}
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}
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public static void Vadd_I(ArmEmitterContext context)
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{
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if (Optimizations.UseSse2)
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{
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OpCode32SimdReg op = (OpCode32SimdReg)context.CurrOp;
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EmitVectorBinaryOpSimd32(context, (op1, op2) => context.AddIntrinsic(X86PaddInstruction[op.Size], op1, op2));
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}
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else
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{
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EmitVectorBinaryOpZx32(context, (op1, op2) => context.Add(op1, op2));
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}
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}
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public static void Vdup(ArmEmitterContext context)
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{
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OpCode32SimdDupGP op = (OpCode32SimdDupGP)context.CurrOp;
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Operand insert = GetIntA32(context, op.Rt);
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// Zero extend into an I64, then replicate. Saves the most time over elementwise inserts.
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insert = op.Size switch
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{
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2 => context.Multiply(context.ZeroExtend32(OperandType.I64, insert), Const(0x0000000100000001u)),
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1 => context.Multiply(context.ZeroExtend16(OperandType.I64, insert), Const(0x0001000100010001u)),
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0 => context.Multiply(context.ZeroExtend8(OperandType.I64, insert), Const(0x0101010101010101u)),
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_ => throw new InvalidOperationException($"Invalid Vdup size \"{op.Size}\".")
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};
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InsertScalar(context, op.Vd, insert);
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if (op.Q)
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{
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InsertScalar(context, op.Vd + 1, insert);
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}
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}
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public static void Vdup_1(ArmEmitterContext context)
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{
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OpCode32SimdDupElem op = (OpCode32SimdDupElem)context.CurrOp;
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Operand insert = EmitVectorExtractZx32(context, op.Vm >> 1, ((op.Vm & 1) << (3 - op.Size)) + op.Index, op.Size);
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// Zero extend into an I64, then replicate. Saves the most time over elementwise inserts.
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insert = op.Size switch
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{
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2 => context.Multiply(context.ZeroExtend32(OperandType.I64, insert), Const(0x0000000100000001u)),
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1 => context.Multiply(context.ZeroExtend16(OperandType.I64, insert), Const(0x0001000100010001u)),
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0 => context.Multiply(context.ZeroExtend8(OperandType.I64, insert), Const(0x0101010101010101u)),
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_ => throw new InvalidOperationException($"Invalid Vdup size \"{op.Size}\".")
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};
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InsertScalar(context, op.Vd, insert);
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if (op.Q)
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{
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InsertScalar(context, op.Vd | 1, insert);
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}
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}
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private static (long, long) MaskHelperByteSequence(int start, int length, int startByte)
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{
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int end = start + length;
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int b = startByte;
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long result = 0;
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long result2 = 0;
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for (int i = 0; i < 8; i++)
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{
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result |= (long)((i >= end || i < start) ? 0x80 : b++) << (i * 8);
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}
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for (int i = 8; i < 16; i++)
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{
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result2 |= (long)((i >= end || i < start) ? 0x80 : b++) << ((i - 8) * 8);
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}
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return (result2, result);
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}
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public static void Vext(ArmEmitterContext context)
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{
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OpCode32SimdExt op = (OpCode32SimdExt)context.CurrOp;
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int elems = op.GetBytesCount();
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int byteOff = op.Immediate;
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if (Optimizations.UseSsse3)
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{
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EmitVectorBinaryOpSimd32(context, (n, m) =>
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{
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// Writing low to high of d: start <imm> into n, overlap into m.
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// Then rotate n down by <imm>, m up by (elems)-imm.
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// Then OR them together for the result.
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(long nMaskHigh, long nMaskLow) = MaskHelperByteSequence(0, elems - byteOff, byteOff);
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(long mMaskHigh, long mMaskLow) = MaskHelperByteSequence(elems - byteOff, byteOff, 0);
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Operand nMask, mMask;
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if (!op.Q)
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{
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// Do the same operation to the bytes in the top doubleword too, as our target could be in either.
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nMaskHigh = nMaskLow + 0x0808080808080808L;
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mMaskHigh = mMaskLow + 0x0808080808080808L;
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}
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nMask = X86GetElements(context, nMaskHigh, nMaskLow);
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mMask = X86GetElements(context, mMaskHigh, mMaskLow);
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Operand nPart = context.AddIntrinsic(Intrinsic.X86Pshufb, n, nMask);
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Operand mPart = context.AddIntrinsic(Intrinsic.X86Pshufb, m, mMask);
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return context.AddIntrinsic(Intrinsic.X86Por, nPart, mPart);
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});
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}
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else
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{
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Operand res = GetVecA32(op.Qd);
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for (int index = 0; index < elems; index++)
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{
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Operand extract;
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if (byteOff >= elems)
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{
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extract = EmitVectorExtractZx32(context, op.Qm, op.Im + (byteOff - elems), op.Size);
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}
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else
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{
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extract = EmitVectorExtractZx32(context, op.Qn, op.In + byteOff, op.Size);
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}
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byteOff++;
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res = EmitVectorInsert(context, res, extract, op.Id + index, op.Size);
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}
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context.Copy(GetVecA32(op.Qd), res);
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}
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}
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public static void Vmov_S(ArmEmitterContext context)
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{
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if (Optimizations.FastFP && Optimizations.UseSse2)
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{
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EmitScalarUnaryOpF32(context, 0, 0);
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}
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else
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{
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EmitScalarUnaryOpF32(context, (op1) => op1);
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}
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}
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public static void Vmovn(ArmEmitterContext context)
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{
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EmitVectorUnaryNarrowOp32(context, (op1) => op1);
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}
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public static void Vneg_S(ArmEmitterContext context)
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{
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OpCode32SimdS op = (OpCode32SimdS)context.CurrOp;
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if (Optimizations.UseSse2)
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{
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EmitScalarUnaryOpSimd32(context, (m) =>
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{
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if ((op.Size & 1) == 0)
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{
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Operand mask = X86GetScalar(context, -0f);
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return context.AddIntrinsic(Intrinsic.X86Xorps, mask, m);
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}
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else
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{
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Operand mask = X86GetScalar(context, -0d);
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return context.AddIntrinsic(Intrinsic.X86Xorpd, mask, m);
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}
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});
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}
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else
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{
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EmitScalarUnaryOpF32(context, (op1) => context.Negate(op1));
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}
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}
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public static void Vnmul_S(ArmEmitterContext context)
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{
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OpCode32SimdRegS op = (OpCode32SimdRegS)context.CurrOp;
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if (Optimizations.UseSse2)
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{
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EmitScalarBinaryOpSimd32(context, (n, m) =>
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{
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if ((op.Size & 1) == 0)
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{
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Operand res = context.AddIntrinsic(Intrinsic.X86Mulss, n, m);
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Operand mask = X86GetScalar(context, -0f);
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return context.AddIntrinsic(Intrinsic.X86Xorps, mask, res);
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}
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else
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{
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Operand res = context.AddIntrinsic(Intrinsic.X86Mulsd, n, m);
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Operand mask = X86GetScalar(context, -0d);
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return context.AddIntrinsic(Intrinsic.X86Xorpd, mask, res);
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}
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});
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}
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else
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{
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EmitScalarBinaryOpF32(context, (op1, op2) => context.Negate(context.Multiply(op1, op2)));
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}
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}
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public static void Vnmla_S(ArmEmitterContext context)
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{
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OpCode32SimdRegS op = (OpCode32SimdRegS)context.CurrOp;
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if (Optimizations.FastFP && Optimizations.UseSse2)
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{
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EmitScalarTernaryOpSimd32(context, (d, n, m) =>
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{
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if ((op.Size & 1) == 0)
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{
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Operand res = context.AddIntrinsic(Intrinsic.X86Mulss, n, m);
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res = context.AddIntrinsic(Intrinsic.X86Addss, d, res);
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Operand mask = X86GetScalar(context, -0f);
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return context.AddIntrinsic(Intrinsic.X86Xorps, mask, res);
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}
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else
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{
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Operand res = context.AddIntrinsic(Intrinsic.X86Mulsd, n, m);
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res = context.AddIntrinsic(Intrinsic.X86Addsd, d, res);
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Operand mask = X86GetScalar(context, -0d);
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return context.AddIntrinsic(Intrinsic.X86Xorpd, mask, res);
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}
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});
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}
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else if (Optimizations.FastFP)
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{
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EmitScalarTernaryOpF32(context, (op1, op2, op3) =>
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{
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return context.Negate(context.Add(op1, context.Multiply(op2, op3)));
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});
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}
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else
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{
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EmitScalarTernaryOpF32(context, (op1, op2, op3) =>
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{
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return EmitSoftFloatCall(context, nameof(SoftFloat32.FPNegMulAdd), op1, op2, op3);
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});
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}
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}
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public static void Vnmls_S(ArmEmitterContext context)
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{
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OpCode32SimdRegS op = (OpCode32SimdRegS)context.CurrOp;
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if (Optimizations.FastFP && Optimizations.UseSse2)
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{
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EmitScalarTernaryOpSimd32(context, (d, n, m) =>
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{
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if ((op.Size & 1) == 0)
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{
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Operand res = context.AddIntrinsic(Intrinsic.X86Mulss, n, m);
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Operand mask = X86GetScalar(context, -0f);
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d = context.AddIntrinsic(Intrinsic.X86Xorps, mask, d);
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return context.AddIntrinsic(Intrinsic.X86Addss, d, res);
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}
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else
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{
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Operand res = context.AddIntrinsic(Intrinsic.X86Mulsd, n, m);
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Operand mask = X86GetScalar(context, -0d);
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d = context.AddIntrinsic(Intrinsic.X86Xorpd, mask, res);
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return context.AddIntrinsic(Intrinsic.X86Addsd, d, res);
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}
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});
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}
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else if (Optimizations.FastFP)
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{
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EmitScalarTernaryOpF32(context, (op1, op2, op3) =>
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{
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return context.Add(context.Negate(op1), context.Multiply(op2, op3));
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});
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}
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else
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{
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EmitScalarTernaryOpF32(context, (op1, op2, op3) =>
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{
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return EmitSoftFloatCall(context, nameof(SoftFloat32.FPNegMulSub), op1, op2, op3);
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});
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}
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}
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public static void Vneg_V(ArmEmitterContext context)
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{
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OpCode32Simd op = (OpCode32Simd)context.CurrOp;
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if (op.F)
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{
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if (Optimizations.UseSse2)
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{
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EmitVectorUnaryOpSimd32(context, (m) =>
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{
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if ((op.Size & 1) == 0)
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{
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Operand mask = X86GetScalar(context, -0f);
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return context.AddIntrinsic(Intrinsic.X86Xorps, mask, m);
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}
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else
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{
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Operand mask = X86GetScalar(context, -0d);
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return context.AddIntrinsic(Intrinsic.X86Xorpd, mask, m);
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}
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});
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}
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else
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{
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EmitVectorUnaryOpF32(context, (op1) => context.Negate(op1));
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}
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}
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else
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{
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EmitVectorUnaryOpSx32(context, (op1) => context.Negate(op1));
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}
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}
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public static void Vdiv_S(ArmEmitterContext context)
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{
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if (Optimizations.FastFP && Optimizations.UseSse2)
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{
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EmitScalarBinaryOpF32(context, Intrinsic.X86Divss, Intrinsic.X86Divsd);
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}
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else if (Optimizations.FastFP)
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{
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EmitScalarBinaryOpF32(context, (op1, op2) => context.Divide(op1, op2));
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}
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else
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{
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EmitScalarBinaryOpF32(context, (op1, op2) =>
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{
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return EmitSoftFloatCall(context, nameof(SoftFloat32.FPDiv), op1, op2);
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});
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}
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}
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public static void Vmaxnm_S(ArmEmitterContext context)
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{
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if (Optimizations.FastFP && Optimizations.UseSse41)
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{
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EmitSse41MaxMinNumOpF32(context, true, true);
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}
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else
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{
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EmitScalarBinaryOpF32(context, (op1, op2) => EmitSoftFloatCall(context, nameof(SoftFloat32.FPMaxNum), op1, op2));
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}
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}
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public static void Vmaxnm_V(ArmEmitterContext context)
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{
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if (Optimizations.FastFP && Optimizations.UseSse41)
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{
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EmitSse41MaxMinNumOpF32(context, true, false);
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}
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else
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{
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EmitVectorBinaryOpSx32(context, (op1, op2) => EmitSoftFloatCallDefaultFpscr(context, nameof(SoftFloat32.FPMaxNumFpscr), op1, op2));
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}
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}
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public static void Vminnm_S(ArmEmitterContext context)
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{
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if (Optimizations.FastFP && Optimizations.UseSse41)
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{
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EmitSse41MaxMinNumOpF32(context, false, true);
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}
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else
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{
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EmitScalarBinaryOpF32(context, (op1, op2) => EmitSoftFloatCall(context, nameof(SoftFloat32.FPMinNum), op1, op2));
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}
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}
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public static void Vminnm_V(ArmEmitterContext context)
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{
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if (Optimizations.FastFP && Optimizations.UseSse41)
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{
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EmitSse41MaxMinNumOpF32(context, false, false);
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}
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else
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{
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EmitVectorBinaryOpSx32(context, (op1, op2) => EmitSoftFloatCallDefaultFpscr(context, nameof(SoftFloat32.FPMinNumFpscr), op1, op2));
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}
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}
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public static void Vmax_V(ArmEmitterContext context)
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{
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if (Optimizations.FastFP && Optimizations.UseSse2)
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{
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EmitVectorBinaryOpF32(context, Intrinsic.X86Maxps, Intrinsic.X86Maxpd);
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}
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else
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{
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|
EmitVectorBinaryOpF32(context, (op1, op2) =>
|
|
{
|
|
return EmitSoftFloatCallDefaultFpscr(context, nameof(SoftFloat32.FPMaxFpscr), op1, op2);
|
|
});
|
|
}
|
|
}
|
|
|
|
public static void Vmax_I(ArmEmitterContext context)
|
|
{
|
|
OpCode32SimdReg op = (OpCode32SimdReg)context.CurrOp;
|
|
|
|
if (op.U)
|
|
{
|
|
if (Optimizations.UseSse2)
|
|
{
|
|
EmitVectorBinaryOpSimd32(context, (op1, op2) => context.AddIntrinsic(X86PmaxuInstruction[op.Size], op1, op2));
|
|
}
|
|
else
|
|
{
|
|
EmitVectorBinaryOpZx32(context, (op1, op2) => context.ConditionalSelect(context.ICompareGreaterUI(op1, op2), op1, op2));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (Optimizations.UseSse2)
|
|
{
|
|
EmitVectorBinaryOpSimd32(context, (op1, op2) => context.AddIntrinsic(X86PmaxsInstruction[op.Size], op1, op2));
|
|
}
|
|
else
|
|
{
|
|
EmitVectorBinaryOpSx32(context, (op1, op2) => context.ConditionalSelect(context.ICompareGreater(op1, op2), op1, op2));
|
|
}
|
|
}
|
|
}
|
|
|
|
public static void Vmin_V(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.FastFP && Optimizations.UseSse2)
|
|
{
|
|
EmitVectorBinaryOpF32(context, Intrinsic.X86Minps, Intrinsic.X86Minpd);
|
|
}
|
|
else
|
|
{
|
|
EmitVectorBinaryOpF32(context, (op1, op2) =>
|
|
{
|
|
return EmitSoftFloatCallDefaultFpscr(context, nameof(SoftFloat32.FPMinFpscr), op1, op2);
|
|
});
|
|
}
|
|
}
|
|
|
|
public static void Vmin_I(ArmEmitterContext context)
|
|
{
|
|
OpCode32SimdReg op = (OpCode32SimdReg)context.CurrOp;
|
|
|
|
if (op.U)
|
|
{
|
|
if (Optimizations.UseSse2)
|
|
{
|
|
EmitVectorBinaryOpSimd32(context, (op1, op2) => context.AddIntrinsic(X86PminuInstruction[op.Size], op1, op2));
|
|
}
|
|
else
|
|
{
|
|
EmitVectorBinaryOpZx32(context, (op1, op2) => context.ConditionalSelect(context.ICompareLessUI(op1, op2), op1, op2));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (Optimizations.UseSse2)
|
|
{
|
|
EmitVectorBinaryOpSimd32(context, (op1, op2) => context.AddIntrinsic(X86PminsInstruction[op.Size], op1, op2));
|
|
}
|
|
else
|
|
{
|
|
EmitVectorBinaryOpSx32(context, (op1, op2) => context.ConditionalSelect(context.ICompareLess(op1, op2), op1, op2));
|
|
}
|
|
}
|
|
}
|
|
|
|
public static void Vmla_S(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.FastFP && Optimizations.UseSse2)
|
|
{
|
|
EmitScalarTernaryOpF32(context, Intrinsic.X86Mulss, Intrinsic.X86Mulsd, Intrinsic.X86Addss, Intrinsic.X86Addsd);
|
|
}
|
|
else if (Optimizations.FastFP)
|
|
{
|
|
EmitScalarTernaryOpF32(context, (op1, op2, op3) =>
|
|
{
|
|
return context.Add(op1, context.Multiply(op2, op3));
|
|
});
|
|
}
|
|
else
|
|
{
|
|
EmitScalarTernaryOpF32(context, (op1, op2, op3) =>
|
|
{
|
|
return EmitSoftFloatCall(context, nameof(SoftFloat32.FPMulAdd), op1, op2, op3);
|
|
});
|
|
}
|
|
}
|
|
|
|
public static void Vmla_V(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.FastFP && Optimizations.UseSse2)
|
|
{
|
|
EmitVectorTernaryOpF32(context, Intrinsic.X86Mulps, Intrinsic.X86Mulpd, Intrinsic.X86Addps, Intrinsic.X86Addpd);
|
|
}
|
|
else if (Optimizations.FastFP)
|
|
{
|
|
EmitVectorTernaryOpF32(context, (op1, op2, op3) => context.Add(op1, context.Multiply(op2, op3)));
|
|
}
|
|
else
|
|
{
|
|
EmitVectorTernaryOpF32(context, (op1, op2, op3) =>
|
|
{
|
|
return EmitSoftFloatCallDefaultFpscr(context, nameof(SoftFloat32.FPMulAddFpscr), op1, op2, op3);
|
|
});
|
|
}
|
|
}
|
|
|
|
public static void Vmla_I(ArmEmitterContext context)
|
|
{
|
|
EmitVectorTernaryOpZx32(context, (op1, op2, op3) => context.Add(op1, context.Multiply(op2, op3)));
|
|
}
|
|
|
|
public static void Vmla_1(ArmEmitterContext context)
|
|
{
|
|
OpCode32SimdRegElem op = (OpCode32SimdRegElem)context.CurrOp;
|
|
|
|
if (op.F)
|
|
{
|
|
if (Optimizations.FastFP && Optimizations.UseSse2)
|
|
{
|
|
EmitVectorsByScalarOpF32(context, Intrinsic.X86Mulps, Intrinsic.X86Mulpd, Intrinsic.X86Addps, Intrinsic.X86Addpd);
|
|
}
|
|
else if (Optimizations.FastFP)
|
|
{
|
|
EmitVectorsByScalarOpF32(context, (op1, op2, op3) => context.Add(op1, context.Multiply(op2, op3)));
|
|
}
|
|
else
|
|
{
|
|
EmitVectorsByScalarOpF32(context, (op1, op2, op3) => EmitSoftFloatCallDefaultFpscr(context, nameof(SoftFloat32.FPMulAddFpscr), op1, op2, op3));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
EmitVectorsByScalarOpI32(context, (op1, op2, op3) => context.Add(op1, context.Multiply(op2, op3)), false);
|
|
}
|
|
}
|
|
|
|
public static void Vmls_S(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.FastFP && Optimizations.UseSse2)
|
|
{
|
|
EmitScalarTernaryOpF32(context, Intrinsic.X86Mulss, Intrinsic.X86Mulsd, Intrinsic.X86Subss, Intrinsic.X86Subsd);
|
|
}
|
|
else if (Optimizations.FastFP)
|
|
{
|
|
EmitScalarTernaryOpF32(context, (op1, op2, op3) =>
|
|
{
|
|
return context.Subtract(op1, context.Multiply(op2, op3));
|
|
});
|
|
}
|
|
else
|
|
{
|
|
EmitScalarTernaryOpF32(context, (op1, op2, op3) =>
|
|
{
|
|
return EmitSoftFloatCall(context, nameof(SoftFloat32.FPMulSub), op1, op2, op3);
|
|
});
|
|
}
|
|
}
|
|
|
|
public static void Vmls_V(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.FastFP && Optimizations.UseSse2)
|
|
{
|
|
EmitVectorTernaryOpF32(context, Intrinsic.X86Mulps, Intrinsic.X86Mulpd, Intrinsic.X86Subps, Intrinsic.X86Subpd);
|
|
}
|
|
else if (Optimizations.FastFP)
|
|
{
|
|
EmitVectorTernaryOpF32(context, (op1, op2, op3) => context.Subtract(op1, context.Multiply(op2, op3)));
|
|
}
|
|
else
|
|
{
|
|
EmitVectorTernaryOpF32(context, (op1, op2, op3) =>
|
|
{
|
|
return EmitSoftFloatCallDefaultFpscr(context, nameof(SoftFloat32.FPMulSubFpscr), op1, op2, op3);
|
|
});
|
|
}
|
|
}
|
|
|
|
public static void Vmls_I(ArmEmitterContext context)
|
|
{
|
|
EmitVectorTernaryOpZx32(context, (op1, op2, op3) => context.Subtract(op1, context.Multiply(op2, op3)));
|
|
}
|
|
|
|
public static void Vmls_1(ArmEmitterContext context)
|
|
{
|
|
OpCode32SimdRegElem op = (OpCode32SimdRegElem)context.CurrOp;
|
|
|
|
if (op.F)
|
|
{
|
|
if (Optimizations.FastFP && Optimizations.UseSse2)
|
|
{
|
|
EmitVectorsByScalarOpF32(context, Intrinsic.X86Mulps, Intrinsic.X86Mulpd, Intrinsic.X86Subps, Intrinsic.X86Subpd);
|
|
}
|
|
else if (Optimizations.FastFP)
|
|
{
|
|
EmitVectorsByScalarOpF32(context, (op1, op2, op3) => context.Subtract(op1, context.Multiply(op2, op3)));
|
|
}
|
|
else
|
|
{
|
|
EmitVectorsByScalarOpF32(context, (op1, op2, op3) => EmitSoftFloatCallDefaultFpscr(context, nameof(SoftFloat32.FPMulSubFpscr), op1, op2, op3));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
EmitVectorsByScalarOpI32(context, (op1, op2, op3) => context.Subtract(op1, context.Multiply(op2, op3)), false);
|
|
}
|
|
}
|
|
|
|
public static void Vmlsl_I(ArmEmitterContext context)
|
|
{
|
|
OpCode32SimdReg op = (OpCode32SimdReg)context.CurrOp;
|
|
|
|
EmitVectorTernaryLongOpI32(context, (opD, op1, op2) => context.Subtract(opD, context.Multiply(op1, op2)), !op.U);
|
|
}
|
|
|
|
public static void Vmul_S(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.FastFP && Optimizations.UseSse2)
|
|
{
|
|
EmitScalarBinaryOpF32(context, Intrinsic.X86Mulss, Intrinsic.X86Mulsd);
|
|
}
|
|
else if (Optimizations.FastFP)
|
|
{
|
|
EmitScalarBinaryOpF32(context, (op1, op2) => context.Multiply(op1, op2));
|
|
}
|
|
else
|
|
{
|
|
EmitScalarBinaryOpF32(context, (op1, op2) =>
|
|
{
|
|
return EmitSoftFloatCall(context, nameof(SoftFloat32.FPMul), op1, op2);
|
|
});
|
|
}
|
|
}
|
|
|
|
public static void Vmul_V(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.FastFP && Optimizations.UseSse2)
|
|
{
|
|
EmitVectorBinaryOpF32(context, Intrinsic.X86Mulps, Intrinsic.X86Mulpd);
|
|
}
|
|
else if (Optimizations.FastFP)
|
|
{
|
|
EmitVectorBinaryOpF32(context, (op1, op2) => context.Multiply(op1, op2));
|
|
}
|
|
else
|
|
{
|
|
EmitVectorBinaryOpF32(context, (op1, op2) =>
|
|
{
|
|
return EmitSoftFloatCallDefaultFpscr(context, nameof(SoftFloat32.FPMulFpscr), op1, op2);
|
|
});
|
|
}
|
|
}
|
|
|
|
public static void Vmul_I(ArmEmitterContext context)
|
|
{
|
|
OpCode32SimdReg op = (OpCode32SimdReg)context.CurrOp;
|
|
|
|
if (op.U) // This instruction is always signed, U indicates polynomial mode.
|
|
{
|
|
EmitVectorBinaryOpZx32(context, (op1, op2) => EmitPolynomialMultiply(context, op1, op2, 8 << op.Size));
|
|
}
|
|
else
|
|
{
|
|
EmitVectorBinaryOpSx32(context, (op1, op2) => context.Multiply(op1, op2));
|
|
}
|
|
}
|
|
|
|
public static void Vmul_1(ArmEmitterContext context)
|
|
{
|
|
OpCode32SimdRegElem op = (OpCode32SimdRegElem)context.CurrOp;
|
|
|
|
if (op.F)
|
|
{
|
|
if (Optimizations.FastFP && Optimizations.UseSse2)
|
|
{
|
|
EmitVectorByScalarOpF32(context, Intrinsic.X86Mulps, Intrinsic.X86Mulpd);
|
|
}
|
|
else if (Optimizations.FastFP)
|
|
{
|
|
EmitVectorByScalarOpF32(context, (op1, op2) => context.Multiply(op1, op2));
|
|
}
|
|
else
|
|
{
|
|
EmitVectorByScalarOpF32(context, (op1, op2) => EmitSoftFloatCallDefaultFpscr(context, nameof(SoftFloat32.FPMulFpscr), op1, op2));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
EmitVectorByScalarOpI32(context, (op1, op2) => context.Multiply(op1, op2), false);
|
|
}
|
|
}
|
|
|
|
public static void Vmull_1(ArmEmitterContext context)
|
|
{
|
|
OpCode32SimdRegElem op = (OpCode32SimdRegElem)context.CurrOp;
|
|
|
|
EmitVectorByScalarLongOpI32(context, (op1, op2) => context.Multiply(op1, op2), !op.U);
|
|
}
|
|
|
|
public static void Vmull_I(ArmEmitterContext context)
|
|
{
|
|
OpCode32SimdRegLong op = (OpCode32SimdRegLong)context.CurrOp;
|
|
|
|
if (op.Polynomial)
|
|
{
|
|
EmitVectorBinaryLongOpI32(context, (op1, op2) => EmitPolynomialMultiply(context, op1, op2, 8 << op.Size), false);
|
|
}
|
|
else
|
|
{
|
|
EmitVectorBinaryLongOpI32(context, (op1, op2) => context.Multiply(op1, op2), !op.U);
|
|
}
|
|
}
|
|
|
|
public static void Vpadd_V(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.FastFP && Optimizations.UseSse2)
|
|
{
|
|
EmitSse2VectorPairwiseOpF32(context, Intrinsic.X86Addps);
|
|
}
|
|
else
|
|
{
|
|
EmitVectorPairwiseOpF32(context, (op1, op2) => EmitSoftFloatCallDefaultFpscr(context, nameof(SoftFloat32.FPAddFpscr), op1, op2));
|
|
}
|
|
}
|
|
|
|
public static void Vpadd_I(ArmEmitterContext context)
|
|
{
|
|
OpCode32SimdReg op = (OpCode32SimdReg)context.CurrOp;
|
|
|
|
if (Optimizations.UseSsse3)
|
|
{
|
|
EmitSsse3VectorPairwiseOp32(context, X86PaddInstruction);
|
|
}
|
|
else
|
|
{
|
|
EmitVectorPairwiseOpI32(context, (op1, op2) => context.Add(op1, op2), !op.U);
|
|
}
|
|
}
|
|
|
|
public static void Vpmax_V(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.FastFP && Optimizations.UseSse2)
|
|
{
|
|
EmitSse2VectorPairwiseOpF32(context, Intrinsic.X86Maxps);
|
|
}
|
|
else
|
|
{
|
|
EmitVectorPairwiseOpF32(context, (op1, op2) => EmitSoftFloatCallDefaultFpscr(context, nameof(SoftFloat64.FPMaxFpscr), op1, op2));
|
|
}
|
|
}
|
|
|
|
public static void Vpmax_I(ArmEmitterContext context)
|
|
{
|
|
OpCode32SimdReg op = (OpCode32SimdReg)context.CurrOp;
|
|
|
|
if (Optimizations.UseSsse3)
|
|
{
|
|
EmitSsse3VectorPairwiseOp32(context, op.U ? X86PmaxuInstruction : X86PmaxsInstruction);
|
|
}
|
|
else
|
|
{
|
|
EmitVectorPairwiseOpI32(context, (op1, op2) =>
|
|
{
|
|
Operand greater = op.U ? context.ICompareGreaterUI(op1, op2) : context.ICompareGreater(op1, op2);
|
|
return context.ConditionalSelect(greater, op1, op2);
|
|
}, !op.U);
|
|
}
|
|
}
|
|
|
|
public static void Vpmin_V(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.FastFP && Optimizations.UseSse2)
|
|
{
|
|
EmitSse2VectorPairwiseOpF32(context, Intrinsic.X86Minps);
|
|
}
|
|
else
|
|
{
|
|
EmitVectorPairwiseOpF32(context, (op1, op2) => EmitSoftFloatCallDefaultFpscr(context, nameof(SoftFloat32.FPMinFpscr), op1, op2));
|
|
}
|
|
}
|
|
|
|
public static void Vpmin_I(ArmEmitterContext context)
|
|
{
|
|
OpCode32SimdReg op = (OpCode32SimdReg)context.CurrOp;
|
|
|
|
if (Optimizations.UseSsse3)
|
|
{
|
|
EmitSsse3VectorPairwiseOp32(context, op.U ? X86PminuInstruction : X86PminsInstruction);
|
|
}
|
|
else
|
|
{
|
|
EmitVectorPairwiseOpI32(context, (op1, op2) =>
|
|
{
|
|
Operand greater = op.U ? context.ICompareLessUI(op1, op2) : context.ICompareLess(op1, op2);
|
|
return context.ConditionalSelect(greater, op1, op2);
|
|
}, !op.U);
|
|
}
|
|
}
|
|
|
|
public static void Vrev(ArmEmitterContext context)
|
|
{
|
|
OpCode32SimdRev op = (OpCode32SimdRev)context.CurrOp;
|
|
|
|
if (Optimizations.UseSsse3)
|
|
{
|
|
EmitVectorUnaryOpSimd32(context, (op1) =>
|
|
{
|
|
Operand mask;
|
|
switch (op.Size)
|
|
{
|
|
case 3:
|
|
// Rev64
|
|
switch (op.Opc)
|
|
{
|
|
case 0:
|
|
mask = X86GetElements(context, 0x08090a0b0c0d0e0fL, 0x0001020304050607L);
|
|
return context.AddIntrinsic(Intrinsic.X86Pshufb, op1, mask);
|
|
case 1:
|
|
mask = X86GetElements(context, 0x09080b0a0d0c0f0eL, 0x0100030205040706L);
|
|
return context.AddIntrinsic(Intrinsic.X86Pshufb, op1, mask);
|
|
case 2:
|
|
return context.AddIntrinsic(Intrinsic.X86Shufps, op1, op1, Const(1 | (0 << 2) | (3 << 4) | (2 << 6)));
|
|
}
|
|
break;
|
|
case 2:
|
|
// Rev32
|
|
switch (op.Opc)
|
|
{
|
|
case 0:
|
|
mask = X86GetElements(context, 0x0c0d0e0f_08090a0bL, 0x04050607_00010203L);
|
|
return context.AddIntrinsic(Intrinsic.X86Pshufb, op1, mask);
|
|
case 1:
|
|
mask = X86GetElements(context, 0x0d0c0f0e_09080b0aL, 0x05040706_01000302L);
|
|
return context.AddIntrinsic(Intrinsic.X86Pshufb, op1, mask);
|
|
}
|
|
break;
|
|
case 1:
|
|
// Rev16
|
|
mask = X86GetElements(context, 0x0e0f_0c0d_0a0b_0809L, 0x_0607_0405_0203_0001L);
|
|
return context.AddIntrinsic(Intrinsic.X86Pshufb, op1, mask);
|
|
}
|
|
|
|
throw new InvalidOperationException("Invalid VREV Opcode + Size combo."); // Should be unreachable.
|
|
});
|
|
}
|
|
else
|
|
{
|
|
EmitVectorUnaryOpZx32(context, (op1) =>
|
|
{
|
|
switch (op.Opc)
|
|
{
|
|
case 0:
|
|
switch (op.Size) // Swap bytes.
|
|
{
|
|
case 1:
|
|
return InstEmitAluHelper.EmitReverseBytes16_32Op(context, op1);
|
|
case 2:
|
|
case 3:
|
|
return context.ByteSwap(op1);
|
|
}
|
|
break;
|
|
case 1:
|
|
switch (op.Size)
|
|
{
|
|
case 2:
|
|
return context.BitwiseOr(context.ShiftRightUI(context.BitwiseAnd(op1, Const(0xffff0000)), Const(16)),
|
|
context.ShiftLeft(context.BitwiseAnd(op1, Const(0x0000ffff)), Const(16)));
|
|
case 3:
|
|
return context.BitwiseOr(
|
|
context.BitwiseOr(context.ShiftRightUI(context.BitwiseAnd(op1, Const(0xffff000000000000ul)), Const(48)),
|
|
context.ShiftLeft(context.BitwiseAnd(op1, Const(0x000000000000fffful)), Const(48))),
|
|
context.BitwiseOr(context.ShiftRightUI(context.BitwiseAnd(op1, Const(0x0000ffff00000000ul)), Const(16)),
|
|
context.ShiftLeft(context.BitwiseAnd(op1, Const(0x00000000ffff0000ul)), Const(16))));
|
|
}
|
|
break;
|
|
case 2:
|
|
// Swap upper and lower halves.
|
|
return context.BitwiseOr(context.ShiftRightUI(context.BitwiseAnd(op1, Const(0xffffffff00000000ul)), Const(32)),
|
|
context.ShiftLeft(context.BitwiseAnd(op1, Const(0x00000000fffffffful)), Const(32)));
|
|
}
|
|
|
|
throw new InvalidOperationException("Invalid VREV Opcode + Size combo."); // Should be unreachable.
|
|
});
|
|
}
|
|
}
|
|
|
|
public static void Vrecpe(ArmEmitterContext context)
|
|
{
|
|
OpCode32SimdSqrte op = (OpCode32SimdSqrte)context.CurrOp;
|
|
|
|
if (op.F)
|
|
{
|
|
int sizeF = op.Size & 1;
|
|
|
|
if (Optimizations.FastFP && Optimizations.UseSse2 && sizeF == 0)
|
|
{
|
|
EmitVectorUnaryOpF32(context, Intrinsic.X86Rcpps, 0);
|
|
}
|
|
else
|
|
{
|
|
EmitVectorUnaryOpF32(context, (op1) =>
|
|
{
|
|
return EmitSoftFloatCallDefaultFpscr(context, nameof(SoftFloat32.FPRecipEstimateFpscr), op1);
|
|
});
|
|
}
|
|
}
|
|
else
|
|
{
|
|
throw new NotImplementedException("Integer Vrecpe not currently implemented.");
|
|
}
|
|
}
|
|
|
|
public static void Vrecps(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.FastFP && Optimizations.UseSse2)
|
|
{
|
|
OpCode32SimdReg op = (OpCode32SimdReg)context.CurrOp;
|
|
bool single = (op.Size & 1) == 0;
|
|
|
|
// (2 - (n*m))
|
|
EmitVectorBinaryOpSimd32(context, (n, m) =>
|
|
{
|
|
if (single)
|
|
{
|
|
Operand maskTwo = X86GetAllElements(context, 2f);
|
|
|
|
Operand res = context.AddIntrinsic(Intrinsic.X86Mulps, n, m);
|
|
|
|
return context.AddIntrinsic(Intrinsic.X86Subps, maskTwo, res);
|
|
}
|
|
else
|
|
{
|
|
Operand maskTwo = X86GetAllElements(context, 2d);
|
|
|
|
Operand res = context.AddIntrinsic(Intrinsic.X86Mulpd, n, m);
|
|
|
|
return context.AddIntrinsic(Intrinsic.X86Subpd, maskTwo, res);
|
|
}
|
|
});
|
|
}
|
|
else
|
|
{
|
|
EmitVectorBinaryOpF32(context, (op1, op2) =>
|
|
{
|
|
return EmitSoftFloatCall(context, nameof(SoftFloat32.FPRecipStep), op1, op2);
|
|
});
|
|
}
|
|
}
|
|
|
|
public static void Vrsqrte(ArmEmitterContext context)
|
|
{
|
|
OpCode32SimdSqrte op = (OpCode32SimdSqrte)context.CurrOp;
|
|
|
|
if (op.F)
|
|
{
|
|
int sizeF = op.Size & 1;
|
|
|
|
if (Optimizations.FastFP && Optimizations.UseSse2 && sizeF == 0)
|
|
{
|
|
EmitVectorUnaryOpF32(context, Intrinsic.X86Rsqrtps, 0);
|
|
}
|
|
else
|
|
{
|
|
EmitVectorUnaryOpF32(context, (op1) =>
|
|
{
|
|
return EmitSoftFloatCallDefaultFpscr(context, nameof(SoftFloat32.FPRSqrtEstimateFpscr), op1);
|
|
});
|
|
}
|
|
}
|
|
else
|
|
{
|
|
throw new NotImplementedException("Integer Vrsqrte not currently implemented.");
|
|
}
|
|
}
|
|
|
|
public static void Vrsqrts(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.FastFP && Optimizations.UseSse2)
|
|
{
|
|
OpCode32SimdReg op = (OpCode32SimdReg)context.CurrOp;
|
|
bool single = (op.Size & 1) == 0;
|
|
|
|
// (3 - (n*m)) / 2
|
|
EmitVectorBinaryOpSimd32(context, (n, m) =>
|
|
{
|
|
if (single)
|
|
{
|
|
Operand maskHalf = X86GetAllElements(context, 0.5f);
|
|
Operand maskThree = X86GetAllElements(context, 3f);
|
|
|
|
Operand res = context.AddIntrinsic(Intrinsic.X86Mulps, n, m);
|
|
|
|
res = context.AddIntrinsic(Intrinsic.X86Subps, maskThree, res);
|
|
return context.AddIntrinsic(Intrinsic.X86Mulps, maskHalf, res);
|
|
}
|
|
else
|
|
{
|
|
Operand maskHalf = X86GetAllElements(context, 0.5d);
|
|
Operand maskThree = X86GetAllElements(context, 3d);
|
|
|
|
Operand res = context.AddIntrinsic(Intrinsic.X86Mulpd, n, m);
|
|
|
|
res = context.AddIntrinsic(Intrinsic.X86Subpd, maskThree, res);
|
|
return context.AddIntrinsic(Intrinsic.X86Mulpd, maskHalf, res);
|
|
}
|
|
});
|
|
}
|
|
else
|
|
{
|
|
EmitVectorBinaryOpF32(context, (op1, op2) =>
|
|
{
|
|
return EmitSoftFloatCall(context, nameof(SoftFloat32.FPRSqrtStep), op1, op2);
|
|
});
|
|
}
|
|
}
|
|
|
|
public static void Vsel(ArmEmitterContext context)
|
|
{
|
|
OpCode32SimdSel op = (OpCode32SimdSel)context.CurrOp;
|
|
|
|
Operand condition = null;
|
|
switch (op.Cc)
|
|
{
|
|
case OpCode32SimdSelMode.Eq:
|
|
condition = GetCondTrue(context, Condition.Eq);
|
|
break;
|
|
case OpCode32SimdSelMode.Ge:
|
|
condition = GetCondTrue(context, Condition.Ge);
|
|
break;
|
|
case OpCode32SimdSelMode.Gt:
|
|
condition = GetCondTrue(context, Condition.Gt);
|
|
break;
|
|
case OpCode32SimdSelMode.Vs:
|
|
condition = GetCondTrue(context, Condition.Vs);
|
|
break;
|
|
}
|
|
|
|
EmitScalarBinaryOpI32(context, (op1, op2) =>
|
|
{
|
|
return context.ConditionalSelect(condition, op1, op2);
|
|
});
|
|
}
|
|
|
|
public static void Vsqrt_S(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.FastFP && Optimizations.UseSse2)
|
|
{
|
|
EmitScalarUnaryOpF32(context, Intrinsic.X86Sqrtss, Intrinsic.X86Sqrtsd);
|
|
}
|
|
else
|
|
{
|
|
EmitScalarUnaryOpF32(context, (op1) =>
|
|
{
|
|
return EmitSoftFloatCall(context, nameof(SoftFloat32.FPSqrt), op1);
|
|
});
|
|
}
|
|
}
|
|
|
|
public static void Vsub_S(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.FastFP && Optimizations.UseSse2)
|
|
{
|
|
EmitScalarBinaryOpF32(context, Intrinsic.X86Subss, Intrinsic.X86Subsd);
|
|
}
|
|
else
|
|
{
|
|
EmitScalarBinaryOpF32(context, (op1, op2) => context.Subtract(op1, op2));
|
|
}
|
|
}
|
|
|
|
public static void Vsub_V(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.FastFP && Optimizations.UseSse2)
|
|
{
|
|
EmitVectorBinaryOpF32(context, Intrinsic.X86Subps, Intrinsic.X86Subpd);
|
|
}
|
|
else
|
|
{
|
|
EmitVectorBinaryOpF32(context, (op1, op2) => context.Subtract(op1, op2));
|
|
}
|
|
}
|
|
|
|
public static void Vsub_I(ArmEmitterContext context)
|
|
{
|
|
if (Optimizations.UseSse2)
|
|
{
|
|
OpCode32SimdReg op = (OpCode32SimdReg)context.CurrOp;
|
|
EmitVectorBinaryOpSimd32(context, (op1, op2) => context.AddIntrinsic(X86PsubInstruction[op.Size], op1, op2));
|
|
}
|
|
else
|
|
{
|
|
EmitVectorBinaryOpZx32(context, (op1, op2) => context.Subtract(op1, op2));
|
|
}
|
|
}
|
|
|
|
private static void EmitSse41MaxMinNumOpF32(ArmEmitterContext context, bool isMaxNum, bool scalar)
|
|
{
|
|
IOpCode32Simd op = (IOpCode32Simd)context.CurrOp;
|
|
|
|
Func<Operand, Operand, Operand> genericEmit = (n, m) =>
|
|
{
|
|
Operand nNum = context.Copy(n);
|
|
Operand mNum = context.Copy(m);
|
|
|
|
Operand nQNaNMask = InstEmit.EmitSse2VectorIsQNaNOpF(context, nNum);
|
|
Operand mQNaNMask = InstEmit.EmitSse2VectorIsQNaNOpF(context, mNum);
|
|
|
|
int sizeF = op.Size & 1;
|
|
|
|
if (sizeF == 0)
|
|
{
|
|
Operand negInfMask = X86GetAllElements(context, isMaxNum ? float.NegativeInfinity : float.PositiveInfinity);
|
|
|
|
Operand nMask = context.AddIntrinsic(Intrinsic.X86Andnps, mQNaNMask, nQNaNMask);
|
|
Operand mMask = context.AddIntrinsic(Intrinsic.X86Andnps, nQNaNMask, mQNaNMask);
|
|
|
|
nNum = context.AddIntrinsic(Intrinsic.X86Blendvps, nNum, negInfMask, nMask);
|
|
mNum = context.AddIntrinsic(Intrinsic.X86Blendvps, mNum, negInfMask, mMask);
|
|
|
|
return context.AddIntrinsic(isMaxNum ? Intrinsic.X86Maxps : Intrinsic.X86Minps, nNum, mNum);
|
|
}
|
|
else /* if (sizeF == 1) */
|
|
{
|
|
Operand negInfMask = X86GetAllElements(context, isMaxNum ? double.NegativeInfinity : double.PositiveInfinity);
|
|
|
|
Operand nMask = context.AddIntrinsic(Intrinsic.X86Andnpd, mQNaNMask, nQNaNMask);
|
|
Operand mMask = context.AddIntrinsic(Intrinsic.X86Andnpd, nQNaNMask, mQNaNMask);
|
|
|
|
nNum = context.AddIntrinsic(Intrinsic.X86Blendvpd, nNum, negInfMask, nMask);
|
|
mNum = context.AddIntrinsic(Intrinsic.X86Blendvpd, mNum, negInfMask, mMask);
|
|
|
|
return context.AddIntrinsic(isMaxNum ? Intrinsic.X86Maxpd : Intrinsic.X86Minpd, nNum, mNum);
|
|
}
|
|
};
|
|
|
|
if (scalar)
|
|
{
|
|
EmitScalarBinaryOpSimd32(context, genericEmit);
|
|
}
|
|
else
|
|
{
|
|
EmitVectorBinaryOpSimd32(context, genericEmit);
|
|
}
|
|
}
|
|
|
|
private static Operand EmitPolynomialMultiply(ArmEmitterContext context, Operand op1, Operand op2, int eSize)
|
|
{
|
|
Debug.Assert(eSize <= 32);
|
|
|
|
Operand result = eSize == 32 ? Const(0L) : Const(0);
|
|
|
|
if (eSize == 32)
|
|
{
|
|
op1 = context.ZeroExtend32(OperandType.I64, op1);
|
|
op2 = context.ZeroExtend32(OperandType.I64, op2);
|
|
}
|
|
|
|
for (int i = 0; i < eSize; i++)
|
|
{
|
|
Operand mask = context.BitwiseAnd(op1, Const(op1.Type, 1L << i));
|
|
|
|
result = context.BitwiseExclusiveOr(result, context.Multiply(op2, mask));
|
|
}
|
|
|
|
return result;
|
|
}
|
|
}
|
|
}
|