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Re: [RFC] Do not consider volatile asms as optimization barriers #1

From: Yury Gribov <y dot gribov at samsung dot com>
To: Jakub Jelinek <jakub at redhat dot com>, Eric Botcazou <ebotcazou at adacore dot com>, gcc-patches at gcc dot gnu dot org, Hans-Peter Nilsson <hp at bitrange dot com>, rdsandiford at googlemail dot com
Date: Tue, 25 Mar 2014 11:57:54 +0400
Subject: Re: [RFC] Do not consider volatile asms as optimization barriers #1
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References: <2417129 dot VoWsWu5CJz at polaris> <alpine dot BSF dot 2 dot 02 dot 1403110135580 dot 78203 at arjuna dot pair dot com> <87txb4wh98 dot fsf at talisman dot default> <3263590 dot RRmfNF86xv at polaris> <87a9cuin6x dot fsf at talisman dot default> <20140313072630 dot GQ22862 at tucnak dot redhat dot com>

Jakub Jelinek wrote:

Richard Sandiford wrote:

OK, how about this?  It looks like the builtins.c and stmt.c stuff wasn't
merged until 4.9, and at this stage it seemed safer to just add the same
use/clobber sequence to both places.


Please wait a little bit, the patch has been committed to the trunk only
very recently, we want to see if it has any fallout.

It has been two weeks since Richard commited this to trunk. Perhaps it'sok to backport to 4.8 branch now?

-Y

References:
- [RFC] Do not consider volatile asms as optimization barriers #1
  - From: Eric Botcazou
- Re: [RFC] Do not consider volatile asms as optimization barriers #1
  - From: Hans-Peter Nilsson
- Re: [RFC] Do not consider volatile asms as optimization barriers #1
  - From: Richard Sandiford
- Re: [RFC] Do not consider volatile asms as optimization barriers #1
  - From: Eric Botcazou
- Re: [RFC] Do not consider volatile asms as optimization barriers #1
  - From: Richard Sandiford
- Re: [RFC] Do not consider volatile asms as optimization barriers #1
  - From: Jakub Jelinek

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