[patch] Fix missing ‘_mm_insert_epi64’ function in 32bit build

i386-avx2-fix.patch (text/plain), 1.00 KB, created by Iade Gesso on 2022-01-08 22:20:10 UTC

diff -ruN opencv-4.5.5.orig/modules/gapi/src/backends/fluid/gfluidcore_simd_sse41.hpp opencv-4.5.5/modules/gapi/src/backends/fluid/gfluidcore_simd_sse41.hpp
--- opencv-4.5.5.orig/modules/gapi/src/backends/fluid/gfluidcore_simd_sse41.hpp	2021-12-25 04:53:27.000000000 +0100
+++ opencv-4.5.5/modules/gapi/src/backends/fluid/gfluidcore_simd_sse41.hpp	2022-01-07 23:43:47.928816370 +0100
@@ -30,6 +30,25 @@
 namespace fluid {
 namespace sse42 {
 
+#ifdef __i386__
+/**
+ * Inspired by https://lists.freebsd.org/pipermail/p4-projects/2014-December/039272.html
+ */
+static inline __m128i
+_mm_insert_epi64(__m128i a, int64_t b, const int ndx)
+{  
+    if (!ndx) {
+        a = _mm_insert_epi32(a, b, 0);
+        a = _mm_insert_epi32(a, b >> 32, 1);
+    } else {
+        a = _mm_insert_epi32(a, b, 2);
+        a = _mm_insert_epi32(a, b >> 32, 3);
+    }
+
+    return a;
+}
+#endif
+
 CV_ALWAYS_INLINE void v_gather_pixel_map(v_uint8x16& vec, const uchar src[], const short* index, const int pos)
 {
     const int chanNum = 4;