1 files changed, 5 insertions, 2 deletions
diff --git a/src/gui/painting/qdrawhelper_sse2.cpp b/src/gui/painting/qdrawhelper_sse2.cpp
index ac73958..f97d865 100644
--- a/src/gui/painting/qdrawhelper_sse2.cpp
+++ b/src/gui/painting/qdrawhelper_sse2.cpp
@@ -300,11 +300,14 @@ void QT_FASTCALL comp_func_solid_SourceOver_sse2(uint *destPixels, int length, u
         const __m128i half = _mm_set1_epi16(0x80);
         const __m128i minusAlphaOfColorVector = _mm_set1_epi16(minusAlphaOfColor);
 
+        ALIGNMENT_PROLOGUE_16BYTES(dst, x, length)
+            destPixels[x] = color + BYTE_MUL(destPixels[x], minusAlphaOfColor);
+
         for (; x < length-3; x += 4) {
-            __m128i dstVector = _mm_loadu_si128((__m128i *)&dst[x]);
+            __m128i dstVector = _mm_load_si128((__m128i *)&dst[x]);
             BYTE_MUL_SSE2(dstVector, dstVector, minusAlphaOfColorVector, colorMask, half);
             dstVector = _mm_add_epi8(colorVector, dstVector);
-            _mm_storeu_si128((__m128i *)&dst[x], dstVector);
+            _mm_store_si128((__m128i *)&dst[x], dstVector);
         }
         for (;x < length; ++x)
             destPixels[x] = color + BYTE_MUL(destPixels[x], minusAlphaOfColor);