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[Bug target/23322] [4.1/4.2/4.3 regression] performance regression, possibly related to caching
- 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: 13 Dec 2007 15:00:15 -0000
- Subject: [Bug target/23322] [4.1/4.2/4.3 regression] performance regression, possibly related to caching
- References: <bug-23322-10914@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #15 from rguenth at gcc dot gnu dot org 2007-12-13 15:00 -------
"Works" with 2.95.4, fails at least starting with 3.3.6 (-m32). Also happens
on x86_64, but there it's not a regression. Happens on all targets that have
only call-clobbered registers that can hold 'result'.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
GCC target triplet|i686-*-* |i686-*-*, x86_64-*-*
Known to fail| |3.3.6
Known to work| |2.95.4
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23322