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[Bug tree-optimization/34723] Summing variable should be initialized to the first member before the loop
- 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: 9 Jan 2008 08:50:41 -0000
- Subject: [Bug tree-optimization/34723] Summing variable should be initialized to the first member before the loop
- References: <bug-34723-1649@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #1 from pinskia at gcc dot gnu dot org 2008-01-09 08:50 -------
So 4.2's jump threading used to mess up the loop (and copy the first iteration)
and cause code size issues so it was removed for 4.3.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34723