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Fix qt_blend_rgb32_on_rgb32_avx2

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The order of the arguments to testc was wrong, it should have been the
other way. Replaced with testz to also get rid of setzero.

Change-Id: Iff968c140f9ca34c6bd7c7f04a3623fd8ec42e1c
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
This commit is contained in:
Allan Sandfeld Jensen 2016-09-30 13:14:01 +02:00 committed by Allan Sandfeld Jensen
parent 22bf1f28f9
commit 116e7a267e
1 changed files with 1 additions and 1 deletions
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2
src/gui/painting/qdrawhelper_avx2.cpp
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@ -267,7 +267,7 @@ void qt_blend_rgb32_on_rgb32_avx2(uchar *destPixels, int dbpl,
// 2) interpolate pixels with AVX2
for (; x < (w - 7); x += 8) {
const __m256i srcVector = _mm256_lddqu_si256((const __m256i *)&src[x]);
if (!_mm256_testc_si256(srcVector, _mm256_setzero_si256())) {
if (!_mm256_testz_si256(srcVector, srcVector)) {
__m256i dstVector = _mm256_load_si256((__m256i *)&dst[x]);
INTERPOLATE_PIXEL_255_AVX2(srcVector, dstVector, constAlphaVector, oneMinusConstAlpha, colorMask, half);
_mm256_store_si256((__m256i *)&dst[x], dstVector);