Hi Honza,
-Original Message-
From: Jan Hubicka [mailto:hubi...@ucw.cz]
Sent: Thursday, October 5, 2017 8:41 PM
To: gcc-patches@gcc.gnu.org; Kumar, Venkataramanan
Subject: Zen tuning part 2: Increase branch_cost to 3
Hi,
this patch increases branch_cost to 3. Constant 2 is apparently
Should mention PR target/80313 (don't know if this is a complete fix, but
it's at least an issue mentioned in that bug).
--
Joseph S. Myers
jos...@codesourcery.com
Hi,
this patch increases branch_cost to 3. Constant 2 is apparently copied from
bdver4 costs while core and generic use 3. 3 seems to give best results for
spec2000 and also significantly improve monte carlo benchmark from scimark.
Bootstrapped/regtested x86_64-linux, comitted.
Index: config/i3
