Unverified Commit 03754655 authored by Romain Dolbeau's avatar Romain Dolbeau Committed by GitHub
Browse files

Fix AVX512BW Fletcher code on AVX512-but-not-BW machines



Introduce a specific valid function for avx512f+avx512bw (instead 
of checking only for avx512f).
Reviewed-by: default avatarBrian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: default avatarAdam Moss <c@yotes.com>
Signed-off-by: default avatarRomain Dolbeau <romain@dolbeau.org>
Closes #11937
Closes #11938
parent f9bece92
......@@ -210,6 +210,12 @@ fletcher_4_avx512bw_byteswap(fletcher_4_ctx_t *ctx, const void *buf,
}
STACK_FRAME_NON_STANDARD(fletcher_4_avx512bw_byteswap);
static boolean_t
fletcher_4_avx512bw_valid(void)
{
return (fletcher_4_avx512f_valid() && zfs_avx512bw_available());
}
const fletcher_4_ops_t fletcher_4_avx512bw_ops = {
.init_native = fletcher_4_avx512f_init,
.fini_native = fletcher_4_avx512f_fini,
......@@ -217,7 +223,7 @@ const fletcher_4_ops_t fletcher_4_avx512bw_ops = {
.init_byteswap = fletcher_4_avx512f_init,
.fini_byteswap = fletcher_4_avx512f_fini,
.compute_byteswap = fletcher_4_avx512bw_byteswap,
.valid = fletcher_4_avx512f_valid,
.valid = fletcher_4_avx512bw_valid,
.name = "avx512bw"
};
#endif
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment