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[Bug c++/47600] gcc optimizer seems to avoid necessary floating-point addition
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 3 Feb 2011 16:49:50 +0000
- Subject: [Bug c++/47600] gcc optimizer seems to avoid necessary floating-point addition
- Auto-submitted: auto-generated
- References: <bug-47600-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47600
Richard Guenther <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2011.02.03 16:49:41
Ever Confirmed|0 |1
--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-02-03 16:49:41 UTC ---
Are you on a 32bit i?86 machine? Try -std=c99 or -mfpmath=sse, you probably
run into bug 323.
Also please provide a testcase that we can compile to reproduce the issue.