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[Bug tree-optimization/17050] New: Performance pessimisation as compared to GCC 3.4
- From: "coyote at coyotegulch dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 16 Aug 2004 15:29:09 -0000
- Subject: [Bug tree-optimization/17050] New: Performance pessimisation as compared to GCC 3.4
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
The benchmark program attached hereto is representative of a regression I've
seen in a couple of large programs. Compiled with GCC 3.4 and prior, this
program runs in about 12 seconds on my test systems; using GCC 3.5, it takes
more than 30 seconds to run.
--
Summary: Performance pessimisation as compared to GCC 3.4
Product: gcc
Version: 3.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: coyote at coyotegulch dot com
CC: gcc-bugs at gcc dot gnu dot org
GCC build triplet: x86_64-unknown-linux
GCC host triplet: x86_64-unknown-linux
GCC target triplet: x86_64-unknown-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17050