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authorNIIBE Yutaka <gniibe@fsij.org>2021-09-28 10:40:30 +0900
committerNIIBE Yutaka <gniibe@fsij.org>2021-09-28 10:40:30 +0900
commit94c9234367152af35f376560d470927166692ff7 (patch)
treeb3f6f44fd41c66e3823ab0752e4f4681ac4a8a66 /README
parentdb928d97b4b69f9aa1fee3c2a38a138534608c89 (diff)
downloadlibgcrypt-94c9234367152af35f376560d470927166692ff7.tar.gz
doc: Address the bug on AArch64 in README.
-- GnuPG-bug-id: 5581 Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
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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