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[Bug c/40454] GCC 4.4.0 vs 3.4.0 - at -O3, PNGCrush is about 20% slower when compiled with GCC 4.4.0
- From: "bonzini at gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 17 Aug 2009 13:30:29 -0000
- Subject: [Bug c/40454] GCC 4.4.0 vs 3.4.0 - at -O3, PNGCrush is about 20% slower when compiled with GCC 4.4.0
- References: <bug-40454-17839@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #12 from bonzini at gnu dot org 2009-08-17 13:30 -------
Please try again with GCC 4.4.1 -O2 vs. GCC 3.4.0 -O2 or -O3.
--
bonzini at gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|GCC 4.4.0 vs 3.4.0 - |GCC 4.4.0 vs 3.4.0 - at -O3,
|PNGCrush is about 20% slower|PNGCrush is about 20% slower
|when compiled with GCC 4.4.0|when compiled with GCC 4.4.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40454