avx2: Avoid using _mm_loadu_si64(), which is missing on older GCC

hpjansson · Jun 17, 2024 · 8dcba80 · 8dcba80
1 parent db6b13a
commit 8dcba80
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/chafa/internal/chafa-avx2.c b/chafa/internal/chafa-avx2.c
@@ -138,7 +138,9 @@ chafa_color_accum_div_scalar_avx2 (ChafaColorAccum *accum, guint16 divisor)
 {
     __m128i accum_128, divisor_128;
 
-    accum_128 = _mm_loadu_si64 ((guint64 *) accum);
+    /* Not using _mm_loadu_si64() here because it's not available on
+     * older versions of GCC. The opcode is the same. */
+    accum_128 = _mm_loadl_epi64 ((const __m128i *) accum);
     divisor_128 = _mm_set1_epi16 (invdiv16 [divisor]);
     accum_128 = _mm_mulhrs_epi16 (accum_128, divisor_128);
     *((guint64 *) accum) = _mm_extract_epi64 (accum_128, 0);