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https://github.com/ryujinx-mirror/ryujinx.git
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e44a43c7e1
* Implement VMAD shader instruction and improve InvocationInfo and ISBERD handling * Shader cache version bump * Fix typo
237 lines
No EOL
8.3 KiB
C#
237 lines
No EOL
8.3 KiB
C#
using Ryujinx.Graphics.Shader.Decoders;
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using Ryujinx.Graphics.Shader.IntermediateRepresentation;
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using Ryujinx.Graphics.Shader.Translation;
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using static Ryujinx.Graphics.Shader.Instructions.InstEmitHelper;
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using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper;
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namespace Ryujinx.Graphics.Shader.Instructions
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{
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static partial class InstEmit
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{
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public static void MovR(EmitterContext context)
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{
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InstMovR op = context.GetOp<InstMovR>();
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context.Copy(GetDest(op.Dest), GetSrcReg(context, op.SrcA));
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}
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public static void MovI(EmitterContext context)
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{
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InstMovI op = context.GetOp<InstMovI>();
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context.Copy(GetDest(op.Dest), GetSrcImm(context, op.Imm20));
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}
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public static void MovC(EmitterContext context)
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{
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InstMovC op = context.GetOp<InstMovC>();
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context.Copy(GetDest(op.Dest), GetSrcCbuf(context, op.CbufSlot, op.CbufOffset));
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}
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public static void Mov32i(EmitterContext context)
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{
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InstMov32i op = context.GetOp<InstMov32i>();
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context.Copy(GetDest(op.Dest), GetSrcImm(context, op.Imm32));
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}
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public static void R2pR(EmitterContext context)
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{
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InstR2pR op = context.GetOp<InstR2pR>();
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Operand value = GetSrcReg(context, op.SrcA);
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Operand mask = GetSrcReg(context, op.SrcB);
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EmitR2p(context, value, mask, op.ByteSel, op.Ccpr);
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}
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public static void R2pI(EmitterContext context)
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{
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InstR2pI op = context.GetOp<InstR2pI>();
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Operand value = GetSrcReg(context, op.SrcA);
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Operand mask = GetSrcImm(context, Imm20ToSInt(op.Imm20));
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EmitR2p(context, value, mask, op.ByteSel, op.Ccpr);
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}
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public static void R2pC(EmitterContext context)
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{
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InstR2pC op = context.GetOp<InstR2pC>();
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Operand value = GetSrcReg(context, op.SrcA);
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Operand mask = GetSrcCbuf(context, op.CbufSlot, op.CbufOffset);
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EmitR2p(context, value, mask, op.ByteSel, op.Ccpr);
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}
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public static void S2r(EmitterContext context)
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{
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InstS2r op = context.GetOp<InstS2r>();
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Operand src;
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switch (op.SReg)
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{
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case SReg.LaneId:
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src = Attribute(AttributeConsts.LaneId);
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break;
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case SReg.InvocationId:
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src = Attribute(AttributeConsts.InvocationId);
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break;
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case SReg.YDirection:
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src = ConstF(1); // TODO: Use value from Y direction GPU register.
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break;
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case SReg.ThreadKill:
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src = context.Config.Stage == ShaderStage.Fragment ? Attribute(AttributeConsts.ThreadKill) : Const(0);
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break;
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case SReg.InvocationInfo:
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if (context.Config.Stage != ShaderStage.Compute && context.Config.Stage != ShaderStage.Fragment)
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{
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// Note: Lowest 8-bits seems to contain some primitive index,
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// but it seems to be NVIDIA implementation specific as it's only used
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// to calculate ISBE offsets, so we can just keep it as zero.
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if (context.Config.Stage == ShaderStage.TessellationControl ||
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context.Config.Stage == ShaderStage.TessellationEvaluation)
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{
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src = context.ShiftLeft(Attribute(AttributeConsts.PatchVerticesIn), Const(16));
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}
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else
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{
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src = Const(context.Config.GpuAccessor.QueryPrimitiveTopology().ToInputVertices() << 16);
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}
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}
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else
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{
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src = Const(0);
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}
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break;
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case SReg.TId:
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Operand tidX = Attribute(AttributeConsts.ThreadIdX);
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Operand tidY = Attribute(AttributeConsts.ThreadIdY);
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Operand tidZ = Attribute(AttributeConsts.ThreadIdZ);
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tidY = context.ShiftLeft(tidY, Const(16));
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tidZ = context.ShiftLeft(tidZ, Const(26));
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src = context.BitwiseOr(tidX, context.BitwiseOr(tidY, tidZ));
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break;
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case SReg.TIdX:
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src = Attribute(AttributeConsts.ThreadIdX);
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break;
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case SReg.TIdY:
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src = Attribute(AttributeConsts.ThreadIdY);
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break;
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case SReg.TIdZ:
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src = Attribute(AttributeConsts.ThreadIdZ);
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break;
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case SReg.CtaIdX:
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src = Attribute(AttributeConsts.CtaIdX);
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break;
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case SReg.CtaIdY:
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src = Attribute(AttributeConsts.CtaIdY);
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break;
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case SReg.CtaIdZ:
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src = Attribute(AttributeConsts.CtaIdZ);
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break;
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case SReg.EqMask:
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src = Attribute(AttributeConsts.EqMask);
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break;
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case SReg.LtMask:
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src = Attribute(AttributeConsts.LtMask);
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break;
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case SReg.LeMask:
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src = Attribute(AttributeConsts.LeMask);
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break;
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case SReg.GtMask:
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src = Attribute(AttributeConsts.GtMask);
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break;
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case SReg.GeMask:
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src = Attribute(AttributeConsts.GeMask);
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break;
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default:
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src = Const(0);
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break;
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}
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context.Copy(GetDest(op.Dest), src);
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}
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public static void SelR(EmitterContext context)
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{
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InstSelR op = context.GetOp<InstSelR>();
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Operand srcA = GetSrcReg(context, op.SrcA);
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Operand srcB = GetSrcReg(context, op.SrcB);
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Operand srcPred = GetPredicate(context, op.SrcPred, op.SrcPredInv);
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EmitSel(context, srcA, srcB, srcPred, op.Dest);
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}
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public static void SelI(EmitterContext context)
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{
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InstSelI op = context.GetOp<InstSelI>();
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Operand srcA = GetSrcReg(context, op.SrcA);
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Operand srcB = GetSrcImm(context, Imm20ToSInt(op.Imm20));
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Operand srcPred = GetPredicate(context, op.SrcPred, op.SrcPredInv);
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EmitSel(context, srcA, srcB, srcPred, op.Dest);
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}
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public static void SelC(EmitterContext context)
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{
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InstSelC op = context.GetOp<InstSelC>();
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Operand srcA = GetSrcReg(context, op.SrcA);
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Operand srcB = GetSrcCbuf(context, op.CbufSlot, op.CbufOffset);
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Operand srcPred = GetPredicate(context, op.SrcPred, op.SrcPredInv);
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EmitSel(context, srcA, srcB, srcPred, op.Dest);
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}
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private static void EmitR2p(EmitterContext context, Operand value, Operand mask, ByteSel byteSel, bool ccpr)
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{
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Operand Test(Operand value, int bit)
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{
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return context.ICompareNotEqual(context.BitwiseAnd(value, Const(1 << bit)), Const(0));
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}
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if (ccpr)
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{
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// TODO: Support Register to condition code flags copy.
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context.Config.GpuAccessor.Log("R2P.CC not implemented.");
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}
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else
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{
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int shift = (int)byteSel * 8;
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for (int bit = 0; bit < RegisterConsts.PredsCount; bit++)
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{
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Operand pred = Register(bit, RegisterType.Predicate);
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Operand res = context.ConditionalSelect(Test(mask, bit), Test(value, bit + shift), pred);
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context.Copy(pred, res);
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}
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}
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}
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private static void EmitSel(EmitterContext context, Operand srcA, Operand srcB, Operand srcPred, int rd)
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{
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Operand res = context.ConditionalSelect(srcPred, srcA, srcB);
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context.Copy(GetDest(rd), res);
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}
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}
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} |