This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug middle-end/18424] 3.4.3 ~6x+ performance regression vs 3.3.1, constant trees not being computed.
- 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: 11 Nov 2004 02:48:19 -0000
- Subject: [Bug middle-end/18424] 3.4.3 ~6x+ performance regression vs 3.3.1, constant trees not being computed.
- References: <20041111023501.18424.schlie@comcast.net>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-11 02:48 -------
Here is an example for PPC:
int foo2 ( short a ){
if (a & (1 << 23))
return 1;
else
return 2 ;
}
but it is not a regression on PPC with the above example
--
What |Removed |Added
----------------------------------------------------------------------------
Severity|critical |minor
Component|c |middle-end
Keywords| |missed-optimization
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18424