[Bug rtl-optimization/78546] [6/7 Regression] wrong code at -O2 and above

[rguenther at suse dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78546

--- Comment #13 from rguenther at suse dot de <rguenther at suse dot de> ---
On Mon, 28 Nov 2016, jakub at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78546
> 
> --- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
> Therefore the comment should be
> /* CST1 - (CST2 - A) -> (CST1 - CST2) - A  */
> rather than
> /* CST - (CST - A) -> CST - A  */

All other comments are similar, but I can change them all.