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[Bug middle-end/34678] Optimization generates incorrect code with -frounding-math option (#pragma STDC FENV_ACCESS not implemented)
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 5 Jan 2008 11:19:52 -0000
- Subject: [Bug middle-end/34678] Optimization generates incorrect code with -frounding-math option (#pragma STDC FENV_ACCESS not implemented)
- References: <bug-34678-5307@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #1 from rguenth at gcc dot gnu dot org 2008-01-05 11:19 -------
Sorry, -frounding-math does not help for this case - it assumes the _same_
rounding mode is in effect everywhere, but doesn't assume it is
round-to-nearest.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2008-01-05 11:19:52
date| |
Summary|Optimization generates |Optimization generates
|incorrect code with - |incorrect code with -
|frounding-math option |frounding-math option
| |(#pragma STDC FENV_ACCESS
| |not implemented)
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34678