https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78634
--- Comment #6 from Dominik Vogt ---
It fails with -march=zEC12 but not with -march=z900. It seems to be a tuning
issue of the branch cost in the backend; a colleague is working on that and
will mave a patch at some time in the future. So, I
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78634
--- Comment #5 from Bernd Schmidt ---
I don't know the machine, but with a branch cost of 1 this seems like it might
be expected. Do you think this is a testcase problem or something else?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78634
Dominik Vogt changed:
What|Removed |Added
CC||krebbel at gcc dot gnu.org,
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78634
Bernd Schmidt changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78634
--- Comment #2 from Bernd Schmidt ---
Author: bernds
Date: Mon Jan 23 16:17:33 2017
New Revision: 244816
URL: https://gcc.gnu.org/viewcvs?rev=244816=gcc=rev
Log:
PR rtl-optimization/78634
* config/i386/i386.c
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78634
Jeffrey A. Law changed:
What|Removed |Added
Priority|P3 |P2
CC|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78634
--- Comment #1 from Bernd Schmidt ---
Patch and discussion here.
https://gcc.gnu.org/ml/gcc-patches/2016-12/msg00212.html
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78634
Richard Biener changed:
What|Removed |Added
Keywords||missed-optimization
