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[Bug tree-optimization/14442] [tree-ssa] missed sib if conversion optimization on the tree level
- 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: 1 May 2005 18:26:49 -0000
- Subject: [Bug tree-optimization/14442] [tree-ssa] missed sib if conversion optimization on the tree level
- References: <20040305063050.14442.pinskia@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-05-01 18:26 -------
(In reply to comment #7)
> Basically PR 17671 is the PR for the new PHI-OPT and PR 15618 is for fold a!=0 to a when a is of the
> boolean_type. Also note the C++ front-end for the code in comment 3 (when the int is changed to
> bool) is already fixed by the new PHI-OPT.
Actually PHI-OPT needs to improved after the patch for PR 15618 is applied, instead of creating one
statement at a time and then letting the passes after wards fold it (which does not happen right now),
we should instead create one new statement which fold as we build it.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14442