This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug rtl-optimization/20372] [4.0/4.1 Regression] Reversed branch-on-count loop (DoLoop)
- 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: 7 Mar 2005 22:19:08 -0000
- Subject: [Bug rtl-optimization/20372] [4.0/4.1 Regression] Reversed branch-on-count loop (DoLoop)
- References: <20050307215707.20372.pthaugen@us.ibm.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-03-07 22:19 -------
Here is a simplified C code which shows the problem:
int *ggg;
void f(int l1, int l2)
{
int i;
if (l1)
{
for(i=0;i<l1;i++)
ggg[i]=1;
return;
}
for(i=0;i<l2;i++)
ggg[i]=i;
}
--
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed| |1
Known to fail| |4.0.0 4.1.0
Known to work| |3.3.3
Last reconfirmed|0000-00-00 00:00:00 |2005-03-07 22:19:07
date| |
Summary|Reversed branch-on-count |[4.0/4.1 Regression]
|loop (DoLoop) |Reversed branch-on-count
| |loop (DoLoop)
Target Milestone|--- |4.0.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20372