diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gui/painting/qdrawhelper_sse2.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/gui/painting/qdrawhelper_sse2.cpp b/src/gui/painting/qdrawhelper_sse2.cpp index f26ad1a943..22014ec175 100644 --- a/src/gui/painting/qdrawhelper_sse2.cpp +++ b/src/gui/painting/qdrawhelper_sse2.cpp @@ -571,13 +571,14 @@ void qt_scale_image_argb32_on_argb32_sse2(uchar *destPixels, int dbpl, __m128i srcxVector = _mm_set_epi32(srcx, srcx + ix, srcx + ix + ix, srcx + ix + ix + ix); - for (; x<w - 3; x += 4) { - union Vect_buffer { __m128i vect; quint32 i[4]; }; - Vect_buffer addr; - addr.vect = _mm_srli_epi32(srcxVector, 16); + for (; x < (w - 3); x += 4) { + const int idx0 = _mm_extract_epi16(srcxVector, 1); + const int idx1 = _mm_extract_epi16(srcxVector, 3); + const int idx2 = _mm_extract_epi16(srcxVector, 5); + const int idx3 = _mm_extract_epi16(srcxVector, 7); srcxVector = _mm_add_epi32(srcxVector, ixVector); - const __m128i srcVector = _mm_set_epi32(src[addr.i[0]], src[addr.i[1]], src[addr.i[2]], src[addr.i[3]]); + const __m128i srcVector = _mm_set_epi32(src[idx0], src[idx1], src[idx2], src[idx3]); BLEND_SOURCE_OVER_ARGB32_SSE2_helper(dst, srcVector, nullVector, half, one, colorMask, alphaMask); } |