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Tweaked ResampleFrame_SSE 

Use _mm_unpack(lo|hi)_ps instead of _mm_shuffle_ps
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Brick 2023-08-28 22:21:08 +01:00 committed by Ryan C. Gordon
parent fd7cd91dc9
commit 337fed3df6
1 changed files with 5 additions and 5 deletions
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10
src/audio/SDL_audiocvt.c
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@ -160,11 +160,11 @@ static void SDL_TARGETING("sse") ResampleFrame_SSE(const float* src, float* dst,
if (chans == 2) { if (chans == 2) {
// Duplicate each of the filter elements // Duplicate each of the filter elements
g0 = _mm_shuffle_ps(f0, f0, _MM_SHUFFLE(3, 3, 2, 2)); g0 = _mm_unpackhi_ps(f0, f0);
f0 = _mm_shuffle_ps(f0, f0, _MM_SHUFFLE(1, 1, 0, 0)); f0 = _mm_unpacklo_ps(f0, f0);
g1 = _mm_shuffle_ps(f1, f1, _MM_SHUFFLE(3, 3, 2, 2)); g1 = _mm_unpackhi_ps(f1, f1);
f1 = _mm_shuffle_ps(f1, f1, _MM_SHUFFLE(1, 1, 0, 0)); f1 = _mm_unpacklo_ps(f1, f1);
f2 = _mm_shuffle_ps(f2, f2, _MM_SHUFFLE(1, 1, 0, 0)); f2 = _mm_unpacklo_ps(f2, f2);
// Multiply the filter by the input // Multiply the filter by the input
f0 = _mm_mul_ps(f0, _mm_loadu_ps(src + 0)); f0 = _mm_mul_ps(f0, _mm_loadu_ps(src + 0));