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[Bug middle-end/35358] Ansi aliasing info not fully utilized by tree SSA optimizations
- 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: 16 Sep 2008 00:18:35 -0000
- Subject: [Bug middle-end/35358] Ansi aliasing info not fully utilized by tree SSA optimizations
- References: <bug-35358-9436@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from pinskia at gcc dot gnu dot org 2008-09-16 00:18 -------
We get now:
<bb 4>:
prephitmp.14 = prephitmp.14 + q->b2;
p->b1 = prephitmp.14;
i = i + 1;
if (n > i)
goto <bb 4>;
else
goto <bb 5>;
Which means PRE has the right information but LIM does not ...
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35358