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[Bug middle-end/15855] [3.4/4.0 Regression] g++ crash with -O2 and -O3 on input file
- 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: 26 Nov 2004 16:00:58 -0000
- Subject: [Bug middle-end/15855] [3.4/4.0 Regression] g++ crash with -O2 and -O3 on input file
- References: <20040606191038.15855.abegel@cs.berkeley.edu>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-26 16:00 -------
(In reply to comment #12)
> These part are 4.0 regressions:
Improvements already (note the scheduling goes away with -fno-PIC at least on ppc-darwin):
tree alias analysis : 16.84 (12%) usr 0.40 ( 1%) sys 17.74 ( 8%) wall
tree PHI insertion : 7.94 ( 5%) usr 1.00 ( 3%) sys 9.31 ( 4%) wall
tree SSA rewrite : 10.79 ( 7%) usr 4.11 (12%) sys 17.07 ( 8%) wall
tree SSA other : 20.02 (14%) usr 2.51 ( 7%) sys 24.59 (11%) wall
tree operand scan : 8.15 ( 6%) usr 3.38 (10%) sys 11.66 ( 5%) wall
scheduling : 13.15 ( 9%) usr 5.78 (17%) sys 19.44 ( 9%) wall
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15855