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[Bug middle-end/38960] Wrong floating point reorder
- 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: 24 Jan 2009 15:43:40 -0000
- Subject: [Bug middle-end/38960] Wrong floating point reorder
- References: <bug-38960-9338@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from rguenth at gcc dot gnu dot org 2009-01-24 15:43 -------
It is both due to missing #pragma STDC FENV_ACCESS
GCC does not have a way to represent use/def of floating-point status, so
the call to fetestexcept is not a barrier for moving floating-point
operations. In fact, it will be hard to represent this.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |rguenth at gcc dot gnu dot
| |org
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2009-01-24 15:43:40
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38960