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[Bug target/17619] Non-optimal code for -mfpmath=387,sse
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 22 Sep 2004 21:15:58 -0000
- Subject: [Bug target/17619] Non-optimal code for -mfpmath=387,sse
- References: <20040922191917.17619.bangerth@dealii.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-09-22 21:15 -------
This is wrong:
The only thing that's nonoptimal is that the initial addition to zero in "fadds .LC0" could be avoided
(LC0 is a label to a zero floating point number).
You cannot do this transformation except with -ffast-math.
Other than that confirmed.
--
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed| |1
Last reconfirmed|0000-00-00 00:00:00 |2004-09-22 21:15:57
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17619