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Another fix on VectorInsert FP32 (thanks to LDj3SNuD

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This commit is contained in:
gdkchan 2019-07-29 01:46:59 -03:00
parent 6b42189d05
commit c7e78bcb45
1 changed files with 9 additions and 3 deletions
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12
ARMeilleure/CodeGen/X86/CodeGenerator.cs
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@ -1292,11 +1292,17 @@ namespace ARMeilleure.CodeGen.X86
int mask1 = 0b11_10_01_00;
mask0 = BitUtils.RotateRight(mask0, index * 2, 8);
//mask1 = BitUtils.RotateLeft (mask1, index * 2, 8);
mask1 = BitUtils.RotateRight(mask1, 8 - index * 2, 8);
context.Assembler.Pshufd(src1, src1, (byte)mask0);
context.Assembler.Movss (dest, src1, src2);
context.Assembler.Pshufd(src1, src1, (byte)mask1);
context.Assembler.Pshufd(src1, src1, (byte)mask0); // Lane to be inserted in position 0.
context.Assembler.Movss (dest, src1, src2); // dest[127:0] = src1[127:32] | src2[31:0]
context.Assembler.Pshufd(dest, dest, (byte)mask1); // Inserted lane in original position.
if (dest.GetRegister() != src1.GetRegister())
{
context.Assembler.Pshufd(src1, src1, (byte)mask1); // Restore src1.
}
}
}
}