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[Bug tree-optimization/29944] should do more loops transformations to enable more biv widening
- From: "amylaar at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 22 Nov 2006 19:23:28 -0000
- Subject: [Bug tree-optimization/29944] should do more loops transformations to enable more biv widening
- References: <bug-29944-5394@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #1 from amylaar at gcc dot gnu dot org 2006-11-22 19:23 -------
Created an attachment (id=12668)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=12668&action=view)
3.4.3 patch
For illustration, this patch implements this optimization in a 3.4.3 based
compiler.
Because the 4.x series uses a completely different infrastructure, we
must re-implement this from scratch.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29944