public inbox for gcc-cvs-wwwdocs@sourceware.org
help / color / mirror / Atom feed
* gcc-wwwdocs branch master updated. 56a010aa69b8ffe2fa8b6b2032173259950064f3
@ 2022-02-02 13:05 H.J. Lu
  0 siblings, 0 replies; only message in thread
From: H.J. Lu @ 2022-02-02 13:05 UTC (permalink / raw)
  To: gcc-cvs-wwwdocs

This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "gcc-wwwdocs".

The branch, master has been updated
       via  56a010aa69b8ffe2fa8b6b2032173259950064f3 (commit)
      from  996afe17497b8c06f00c763bcf7fe2b971bb0f05 (commit)

Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.

- Log -----------------------------------------------------------------
commit 56a010aa69b8ffe2fa8b6b2032173259950064f3
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Feb 1 08:56:30 2022 -0800

    gcc-12: Mention -mharden-sls= and -mindirect-branch-cs-prefix

diff --git a/htdocs/gcc-12/changes.html b/htdocs/gcc-12/changes.html
index 2719b9d5..479bd6c5 100644
--- a/htdocs/gcc-12/changes.html
+++ b/htdocs/gcc-12/changes.html
@@ -387,6 +387,12 @@ a work-in-progress.</p>
       x86 systems with SSE2 enabled. Without <code>{-mavx512fp16}</code>,
       all operations will be emulated in software and <code>float</code>
       instructions.
+  <li>Mitigation against straight line speculation (SLS) for function
+      return and indirect jump is supported via
+      <code>-mharden-sls=[none|all|return|indirect-jmp]</code>.
+  </li>
+  <li>Add CS prefix to call and jmp to indirect thunk with branch target
+      in r8-r15 registers via <code>-mindirect-branch-cs-prefix</code>.
   </li>
 </ul>
 

-----------------------------------------------------------------------

Summary of changes:
 htdocs/gcc-12/changes.html | 6 ++++++
 1 file changed, 6 insertions(+)


hooks/post-receive
-- 
gcc-wwwdocs


^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2022-02-02 13:05 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-02-02 13:05 gcc-wwwdocs branch master updated. 56a010aa69b8ffe2fa8b6b2032173259950064f3 H.J. Lu

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).