1 files changed, 7 insertions, 6 deletions

diff --git a/src/_trans_avx2.c b/src/_trans_avx2.c
index e80bf79..c296f6d 100644
--- a/src/_trans_avx2.c
+++ b/src/_trans_avx2.c
@@ -1,14 +1,15 @@
 static inline cube_t
 flipallcorners(cube_t c)
 {
-        cube_t shleft, shright, summed, newco, cleanco, ret;
+        cube_t co, shleft, shright, summed, newco, cleanco, ret;
 
-        shleft = _mm256_slli_si256(c, 1);
-        shright = _mm256_srli_si256(c, 1);
+        co = _mm256_and_si256(c, _co2_avx2);
+        shleft = _mm256_slli_epi32(co, 1);
+        shright = _mm256_srli_epi32(co, 1);
         summed = _mm256_or_si256(shleft, shright);
-        newco = _mm256_and_si256(summed, _co_avx2);
-        cleanco = _mm256_andnot_si256(c, _co_avx2);
-        ret = _mm256_and_si256(cleanco, newco);
+        newco = _mm256_and_si256(summed, _co2_avx2);
+        cleanco = _mm256_xor_si256(c, co);
+        ret = _mm256_or_si256(cleanco, newco);
 
         return ret;
 }