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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

  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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