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[Bug target/45325] [4.6 Regression] target attribute doesn't work with -march=i586
- From: "rguenther at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 28 Jan 2011 15:33:31 +0000
- Subject: [Bug target/45325] [4.6 Regression] target attribute doesn't work with -march=i586
- Auto-submitted: auto-generated
- References: <bug-45325-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45325
--- Comment #16 from rguenther at suse dot de <rguenther at suse dot de> 2011-01-28 15:32:50 UTC ---
On Fri, 28 Jan 2011, davek at gcc dot gnu.org wrote:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45325
>
> --- Comment #15 from Dave Korn <davek at gcc dot gnu.org> 2011-01-28 15:28:33 UTC ---
> (In reply to comment #14)
> > The test is invalid on i[345]86-*-* without also enabling -msse.
>
> Does the same apply to libcpp/lex.c? i.e. Is that code invalid unless
> compiled with -msse2? LTO bootstrap with arch=i686,tune=generic was still
> broken last time I checked.
Yes. The code should be #ifdefed out when -msse is not enabled.
Richard.