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Remove unnecessary casts

pull/1819/head
Brian Popow 4 years ago
parent
18ecb065a3
commit
6e548b5e5b
1 changed files with 12 additions and 12 deletions
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  1. 24
      src/ImageSharp/Formats/Webp/Lossy/Vp8Encoding.cs

24
src/ImageSharp/Formats/Webp/Lossy/Vp8Encoding.cs
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@ -144,18 +144,18 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossy
Vector128<short> b = Sse2.Subtract(in0.AsInt16(), in2.AsInt16());
// c = MUL(in1, K2) - MUL(in3, K1) = MUL(in1, k2) - MUL(in3, k1) + in1 - in3
Vector128<short> c1 = Sse2.MultiplyHigh(in1.AsInt16(), K2.AsInt16());
Vector128<short> c2 = Sse2.MultiplyHigh(in3.AsInt16(), K1.AsInt16());
Vector128<short> c1 = Sse2.MultiplyHigh(in1.AsInt16(), K2);
Vector128<short> c2 = Sse2.MultiplyHigh(in3.AsInt16(), K1);
Vector128<short> c3 = Sse2.Subtract(in1.AsInt16(), in3.AsInt16());
Vector128<short> c4 = Sse2.Subtract(c1, c2);
Vector128<short> c = Sse2.Add(c3.AsInt16(), c4.AsInt16());
Vector128<short> c = Sse2.Add(c3, c4);
// d = MUL(in1, K1) + MUL(in3, K2) = MUL(in1, k1) + MUL(in3, k2) + in1 + in3
Vector128<short> d1 = Sse2.MultiplyHigh(in1.AsInt16(), K1.AsInt16());
Vector128<short> d2 = Sse2.MultiplyHigh(in3.AsInt16(), K2.AsInt16());
Vector128<short> d1 = Sse2.MultiplyHigh(in1.AsInt16(), K1);
Vector128<short> d2 = Sse2.MultiplyHigh(in3.AsInt16(), K2);
Vector128<short> d3 = Sse2.Add(in1.AsInt16(), in3.AsInt16());
Vector128<short> d4 = Sse2.Add(d1, d2);
Vector128<short> d = Sse2.Add(d3.AsInt16(), d4.AsInt16());
Vector128<short> d = Sse2.Add(d3, d4);
// Second pass.
Vector128<short> tmp0 = Sse2.Add(a, d);
@ -177,14 +177,14 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossy
c2 = Sse2.MultiplyHigh(t3.AsInt16(), K1);
c3 = Sse2.Subtract(t1.AsInt16(), t3.AsInt16());
c4 = Sse2.Subtract(c1, c2);
c = Sse2.Add(c3.AsInt16(), c4);
c = Sse2.Add(c3, c4);
// d = MUL(T1, K1) + MUL(T3, K2) = MUL(T1, k1) + MUL(T3, k2) + T1 + T3
d1 = Sse2.MultiplyHigh(t1.AsInt16(), K1);
d2 = Sse2.MultiplyHigh(t3.AsInt16(), K2);
d3 = Sse2.Add(t1.AsInt16(), t3.AsInt16());
d4 = Sse2.Add(d1, d2);
d = Sse2.Add(d3.AsInt16(), d4);
d = Sse2.Add(d3, d4);
// Second pass.
tmp0 = Sse2.Add(a, d);
@ -236,10 +236,10 @@ namespace SixLabors.ImageSharp.Formats.Webp.Lossy
Vector128<short> ref3InvAdded = Sse2.Add(ref3.AsInt16(), t3.AsInt16());
// Unsigned saturate to 8b.
ref0 = Sse2.PackUnsignedSaturate(ref0InvAdded.AsInt16(), ref0InvAdded.AsInt16());
ref1 = Sse2.PackUnsignedSaturate(ref1InvAdded.AsInt16(), ref1InvAdded.AsInt16());
ref2 = Sse2.PackUnsignedSaturate(ref2InvAdded.AsInt16(), ref2InvAdded.AsInt16());
ref3 = Sse2.PackUnsignedSaturate(ref3InvAdded.AsInt16(), ref3InvAdded.AsInt16());
ref0 = Sse2.PackUnsignedSaturate(ref0InvAdded, ref0InvAdded);
ref1 = Sse2.PackUnsignedSaturate(ref1InvAdded, ref1InvAdded);
ref2 = Sse2.PackUnsignedSaturate(ref2InvAdded, ref2InvAdded);
ref3 = Sse2.PackUnsignedSaturate(ref3InvAdded, ref3InvAdded);
// Unsigned saturate to 8b.
if (doTwo)

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