[Bug target/37048] [4.4 Regression] Revision 138835 breaks bootstrap
hjl dot tools at gmail dot com
gcc-bugzilla@gcc.gnu.org
Thu Aug 7 14:53:00 GMT 2008
------- Comment #5 from hjl dot tools at gmail dot com 2008-08-07 14:52 -------
(In reply to comment #4)
> Subject: Re: [4.4 Regression] Revision 138835 breaks bootstrap
>
> Hi,
> thanks for testcase, for some reason it does not reproduce on our
> testing setup, probably due to ancient glibc that still has
> memcpy/memset inlines.
>
> This patch should fix it, I am testing it right now but I am not sure I
> will be able to commit before tomorro wunforutnately.
> The problem is that we now use single stringops on optimize_size
> regions, but the patterns are disabled. It is not problem to enable
> them; we never produce them directly, only via the stringop expanders.
> (at least I am convinced combine won't produce this)
>
I am testing it now. I will commit it for you if it works and no one
beats me on it. Thanks.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37048
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