[patch] builtins.c: Fix PR tree-optimization/15738.

Jeffrey A Law law@redhat.com
Wed Jun 2 04:12:00 GMT 2004

On Mon, 2004-05-31 at 23:07, Kazu Hirata wrote:

> 2004-05-31  Kazu Hirata  <kazu@cs.umass.edu>
> 	PR tree-optimization/15738.
> 	* builtins.c (fold_builtin_strchr): Transform
> 	strrchr (s, '\0') to strchr (s, '\0').
Shouldn't we try to put all the simplification/optimization stuff
into fold_builtin_strchr, then have expand_builtin_strchr and
expand_builtin_strrchr call the folder to simplify/optimize the call?
That would avoid a lot of duplication.

[ And yes, that applies to most of the fold_builtin_XXX stuff I
  added a while back.  Let's start with fixing the simple ones ;-) ]


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