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[Bug optimization/14758] [tree-ssa] another missed forward propagation opportunity
- 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: 30 Mar 2004 21:31:28 -0000
- Subject: [Bug optimization/14758] [tree-ssa] another missed forward propagation opportunity
- References: <20040328015408.14758.kazu@cs.umass.edu>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-03-30 21:31 -------
Here is an example which is easier to put into the testsuite, there should be no references to
link_error.
void link_error (void);
void
foo (int a)
{
int old_a=a;
a = !a;
a = !a;
a = !a;
a = !a;
a = !a;
if (a)
if (old_a)
link_error ();
}
--
What |Removed |Added
----------------------------------------------------------------------------
Last reconfirmed|2004-03-28 07:35:45 |2004-03-30 21:31:27
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14758