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authorNIIBE Yutaka <gniibe@fsij.org>2021-09-28 10:40:30 +0900
committerNIIBE Yutaka <gniibe@fsij.org>2021-09-28 11:06:39 +0900
commit0d568f2e5d82ddf0acb503560e0575d293404070 (patch)
tree1ca56c48c03facda723a81c02d64edadf3ee4043
parent69e2e498f6a14cfa731cb5718bdb64f440f1c829 (diff)
downloadlibgcrypt-0d568f2e5d82ddf0acb503560e0575d293404070.tar.gz
doc: Address the bug on AArch64 in README.
-- GnuPG-bug-id: 5581 Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
-rw-r--r--README6
1 files changed, 6 insertions, 0 deletions
diff --git a/README b/README
index 135adbdb..e581114b 100644
--- a/README
+++ b/README
@@ -212,6 +212,12 @@
Specific problems on some machines:
+ * AArch64 (GCC 11.1 and 11.2)
+
+ Because of the bug in GCC (fixed in 11.3), with the option
+ -O3, vectorization results wrong code for the function
+ buf_eq_const. Please use -O2 or -fno-tree-loop-vectorize.
+
* IBM RS/6000 running AIX
Due to a change in gcc (since version 2.8) the MPI stuff may