From: Jeff Law <law@redhat.com>
To: Segher Boessenkool <segher@kernel.crashing.org>,
Bernd Schmidt <bschmidt@redhat.com>
Cc: GCC Patches <gcc-patches@gcc.gnu.org>
Subject: Re: [0/3] Fix PR78120, in ifcvt/rtlanal/i386.
Date: Thu, 24 Nov 2016 15:48:00 -0000 [thread overview]
Message-ID: <3fbcaeeb-7855-82c8-8380-de893c08735e@redhat.com> (raw)
In-Reply-To: <20161124145354.GF14394@gate.crashing.org>
On 11/24/2016 07:53 AM, Segher Boessenkool wrote:
>
> That we compare different kinds of costs (which really has no meaning at
> all, it's a heuristic at best) in various places is a known problem, not
> a regression.
But the problems with the costing system exhibit themselves as a code
quality regression. In the end that's what the end-users see -- a
regression in the quality of the code GCC generates.
jeff
next prev parent reply other threads:[~2016-11-24 15:48 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-23 18:58 [0/3] Fix PR71280, " Bernd Schmidt
2016-11-23 19:00 ` [0/3] Fix PR78120, " Bernd Schmidt
2016-11-23 19:30 ` Jeff Law
2016-11-23 19:31 ` Bernd Schmidt
2016-11-24 14:21 ` Segher Boessenkool
2016-11-24 14:26 ` Bernd Schmidt
2016-11-24 14:36 ` Segher Boessenkool
2016-11-24 14:38 ` Bernd Schmidt
2016-11-24 14:44 ` Eric Botcazou
2016-11-24 14:54 ` Segher Boessenkool
2016-11-24 15:16 ` Richard Biener
2016-11-24 15:46 ` Jeff Law
2016-11-24 15:34 ` Bernd Schmidt
2016-11-24 15:48 ` Jeff Law [this message]
2016-11-24 16:14 ` Segher Boessenkool
2016-11-24 22:32 ` Segher Boessenkool
2016-11-26 10:44 ` Jeff Law
2016-11-26 11:11 ` Eric Botcazou
2016-11-26 16:15 ` Jeff Law
2016-11-26 22:03 ` Segher Boessenkool
2016-11-26 18:08 ` Segher Boessenkool
2016-11-25 9:15 ` Richard Biener
2016-11-25 15:34 ` Jeff Law
2016-11-25 15:55 ` Segher Boessenkool
2016-11-28 8:59 ` Bernd Schmidt
2016-11-28 9:05 ` Bernd Schmidt
2016-11-28 18:50 ` Jeff Law
2016-11-28 18:52 ` Bernd Schmidt
2016-11-23 19:01 ` Bernd Schmidt
2016-11-23 21:46 ` Uros Bizjak
2016-11-23 19:03 ` [3/3] " Bernd Schmidt
2016-11-23 19:38 ` Jeff Law
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