This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [wwwdocs] changes.html - document -fsanitize-address-use-after-scope
- From: Kyrill Tkachov <kyrylo dot tkachov at foss dot arm dot com>
- To: Martin Liška <mliska at suse dot cz>, GCC Patches <gcc-patches at gcc dot gnu dot org>
- Cc: Jakub Jelinek <jakub at redhat dot com>
- Date: Wed, 25 Jan 2017 15:00:19 +0000
- Subject: Re: [wwwdocs] changes.html - document -fsanitize-address-use-after-scope
- Authentication-results: sourceware.org; auth=none
- References: <e0925c24-323c-8ce4-1a73-cacdbc5a6fb9@suse.cz>
Hi Martin,
On 25/01/17 14:54, Martin Liška wrote:
Hello.
Following patch documents new option -fsanitize-address-use-after-scope which was done for upcoming GCC 7.1.
Thanks for feedback,
Martin
+ <li>Using -O2 optimization level (and above) rewrites variables of a GIMPLE
+ type that are rewritten into SSA. This removes shadow memory usage and
+ results in faster code.</li>
I believe the changes page is targeted towards end users rather than GCC developers
and the above description wouldn't make much sense to them. Maybe better to say:
"Using -O2 optimization level and above improves shadow memory usage over LLVM" ?
Kyrill