From: Alexandre Oliva <oliva@gnu.org>
To: Jakub Jelinek <jakub@redhat.com>
Cc: Tom de Vries <tdevries@suse.de>,
Richard Biener <rguenther@suse.de>,
gcc-patches@gcc.gnu.org, Jim Wilson <wilson@tuliptree.org>
Subject: Re: [RFC 2/3, debug] Add fkeep-vars-live
Date: Thu, 26 Jul 2018 07:47:00 -0000 [thread overview]
Message-ID: <orbmau7817.fsf@lxoliva.fsfla.org> (raw)
In-Reply-To: <20180725110241.GO17988@tucnak> (Jakub Jelinek's message of "Wed, 25 Jul 2018 13:02:41 +0200")
On Jul 25, 2018, Jakub Jelinek <jakub@redhat.com> wrote:
> On Tue, Jul 24, 2018 at 04:11:11PM -0300, Alexandre Oliva wrote:
>> On Jul 24, 2018, Tom de Vries <tdevries@suse.de> wrote:
>>
>> > This patch adds fake uses of user variables at the point where they go out of
>> > scope, to keep user variables inspectable throughout the application.
>>
>> I suggest also adding such uses before sets, so that variables aren't
>> regarded as dead and get optimized out in ranges between the end of a
>> live range and a subsequent assignment.
> But that can be done incrementally, right
Sure
> the optimizers could still move it appart
*nod*
--
Alexandre Oliva, freedom fighter https://FSFLA.org/blogs/lxo
Be the change, be Free! FSF Latin America board member
GNU Toolchain Engineer Free Software Evangelist
next prev parent reply other threads:[~2018-07-26 7:47 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-16 13:29 [RFC][debug] Add -fadd-debug-nops Tom de Vries
2018-07-16 13:34 ` Jakub Jelinek
2018-07-16 14:32 ` Tom de Vries
2018-07-17 1:02 ` Alexandre Oliva
2018-07-16 13:50 ` Richard Biener
2018-07-16 15:10 ` Tom de Vries
2018-07-24 11:30 ` Tom de Vries
2018-07-24 11:35 ` [RFC 1/3, debug] Add fdebug-nops Tom de Vries
2018-07-24 14:59 ` [PATCH, " Tom de Vries
2018-07-24 19:07 ` [RFC 1/3, " Alexandre Oliva
2018-07-24 21:04 ` Tom de Vries
2018-07-26 7:50 ` Alexandre Oliva
2018-07-24 11:37 ` [RFC 2/3, debug] Add fkeep-vars-live Tom de Vries
2018-07-24 11:46 ` Jakub Jelinek
2018-07-24 12:34 ` Tom de Vries
2018-07-24 15:03 ` [PATCH, " Tom de Vries
2018-07-25 11:06 ` Jakub Jelinek
2018-07-25 11:41 ` Richard Biener
2018-07-25 11:47 ` Richard Biener
2018-07-24 19:11 ` [RFC 2/3, " Alexandre Oliva
2018-07-25 11:02 ` Jakub Jelinek
2018-07-26 7:47 ` Alexandre Oliva [this message]
2018-07-24 11:38 ` [RFC 3/3, debug] Add fdebug-nops and fkeep-vars-live to Og only Tom de Vries
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