lib/raid6: Add AVX2 optimized gen_syndrome functions

Add AVX2 optimized gen_syndrom functions, which is simply based on
sse2.c written by hpa.

Signed-off-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Reviewed-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Jim Kukunas <james.t.kukunas@linux.intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/raid6/algos.c b/lib/raid6/algos.c
index 8b7f55cadb45..6d7316fe9f30 100644
--- a/lib/raid6/algos.c
+++ b/lib/raid6/algos.c
@@ -45,11 +45,20 @@ const struct raid6_calls * const raid6_algos[] = {
         &raid6_sse1x2,
         &raid6_sse2x1,
         &raid6_sse2x2,
+#ifdef CONFIG_AS_AVX2
+        &raid6_avx2x1,
+        &raid6_avx2x2,
+#endif
 #endif
 #if defined(__x86_64__) && !defined(__arch_um__)
         &raid6_sse2x1,
         &raid6_sse2x2,
         &raid6_sse2x4,
+#ifdef CONFIG_AS_AVX2
+        &raid6_avx2x1,
+        &raid6_avx2x2,
+        &raid6_avx2x4,
+#endif
 #endif
 #ifdef CONFIG_ALTIVEC
         &raid6_altivec1,