This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: patch to improve register preferencing in IRA and to *remove regmove* pass
- From: "Joseph S. Myers" <joseph at codesourcery dot com>
- To: Vladimir Makarov <vmakarov at redhat dot com>
- Cc: gcc-patches <gcc-patches at gcc dot gnu dot org>
- Date: Tue, 29 Oct 2013 16:44:13 +0000
- Subject: Re: patch to improve register preferencing in IRA and to *remove regmove* pass
- Authentication-results: sourceware.org; auth=none
- References: <526FD06B dot 2060103 at redhat dot com>
Please change the .opt entries to
foptimize-register-move
Common Ignore
Does nothing. Preserved for backward compatibility.
and
fregmove
Common Ignore
Does nothing. Preserved for backward compatibility.
rather than removing them completely. In general, when removing an option
that's purely about optimizations rather than affecting the semantics of
the user's source code, it's best to leave it behind as an ignored option
like that.
--
Joseph S. Myers
joseph@codesourcery.com