https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78546
--- Comment #16 from Jakub Jelinek ---
Author: jakub
Date: Mon Nov 28 19:15:51 2016
New Revision: 242929
URL: https://gcc.gnu.org/viewcvs?rev=242929&root=gcc&view=rev
Log:
PR rtl-optimization/78546
* simplify-rtx.c (neg_const_int
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78546
--- Comment #15 from rguenther at suse dot de ---
On Mon, 28 Nov 2016, zsojka at seznam dot cz wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78546
>
> --- Comment #14 from Zdenek Sojka ---
> (In reply to Jakub Jelinek from comment #12)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78546
--- Comment #14 from Zdenek Sojka ---
(In reply to Jakub Jelinek from comment #12)
> Therefore the comment should be
> /* CST1 - (CST2 - A) -> (CST1 - CST2) - A */
> rather than
> /* CST - (CST - A) -> CST - A */
How comes it is not "CST1 - (C
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78546
--- Comment #13 from 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 ---
> Therefore the comment should be
> /* CST1
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78546
--- Comment #12 from Jakub Jelinek ---
Therefore the comment should be
/* CST1 - (CST2 - A) -> (CST1 - CST2) - A */
rather than
/* CST - (CST - A) -> CST - A */
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78546
--- Comment #11 from rguenther at suse dot de ---
On Mon, 28 Nov 2016, mpolacek at gcc dot gnu.org wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78546
>
> Marek Polacek changed:
>
>What|Removed |Add
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78546
Marek Polacek changed:
What|Removed |Added
CC||mpolacek at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78546
--- Comment #9 from Richard Biener ---
Testing
diff --git a/gcc/match.pd b/gcc/match.pd
index 2d4e019..9e5df64 100644
--- a/gcc/match.pd
+++ b/gcc/match.pd
@@ -1216,6 +1216,13 @@ DEFINE_INT_AND_FLOAT_ROUND_FN (RINT)
(if (cst && !TREE_OVERF
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78546
--- Comment #8 from Jakub Jelinek ---
Created attachment 40174
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40174&action=edit
gcc7-pr78546.patch
Untested fix for 2), i.e. the wrong-code bug. For 1), i.e. the optimization
regression, I t
