[Bug tree-optimization/14541] [tree-ssa] built-in math functions are not fully optimized at tree level

[ktkachov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=14541

ktkachov at gcc dot gnu.org changed:

           What    |Removed                     |Added
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                 CC|                            |ktkachov at gcc dot gnu.org

--- Comment #19 from ktkachov at gcc dot gnu.org ---
(In reply to Richard Biener from comment #18)
> Author: rguenth
> Date: Wed Dec  3 11:55:14 2014
> New Revision: 218308
> 
> URL: https://gcc.gnu.org/viewcvs?rev=218308&root=gcc&view=rev
> Log:
> 2014-12-03  Richard Biener  <rguenther@suse.de>
> 
> 	PR middle-end/14541
> 	* builtins.c (fold_builtin_logarithm): Implement simplifications ...
> 	* match.pd: ... here as patterns.
> 
> Modified:
>     trunk/gcc/ChangeLog
>     trunk/gcc/builtins.c
>     trunk/gcc/match.pd

With this commit the builtin-explog-1.c test stops folding the builtins on
aarch64 (and consequently FAILs)