From: Segher Boessenkool <segher@kernel.crashing.org>
To: Kyrill Tkachov <kyrylo.tkachov@foss.arm.com>
Cc: Jeff Law <law@redhat.com>, gcc-patches@gcc.gnu.org
Subject: Re: [PATCH 1/2] simplify-rtx: The truncation of an IOR can have all bits set (PR81423)
Date: Tue, 25 Jul 2017 22:11:00 -0000 [thread overview]
Message-ID: <20170725221057.GJ13471@gate.crashing.org> (raw)
In-Reply-To: <59772BC5.9040301@foss.arm.com>
On Tue, Jul 25, 2017 at 12:30:13PM +0100, Kyrill Tkachov wrote:
> We sometimes use the __mode__ attribute to force certain sizes in C types.
> For example: typedef int ditype __attribute__ ((mode (DI)));
> Maybe you can do this to force the right sizes. I don't know if there are
> any targets
> that don't support DImode ops though :)
DImode isn't necessarily the same size on all targets, a byte isn't
always eight bits.
I was planning on just doing some ugly #if.
Segher
next prev parent reply other threads:[~2017-07-25 22:11 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-18 19:36 Segher Boessenkool
2017-07-18 19:36 ` [PATCH 2/2] combine: Fix for PR81423 Segher Boessenkool
2017-07-19 6:19 ` [PATCH 1/2] simplify-rtx: The truncation of an IOR can have all bits set (PR81423) Jeff Law
2017-07-19 19:03 ` Segher Boessenkool
2017-07-24 8:56 ` Segher Boessenkool
2017-07-24 22:06 ` Jeff Law
2017-07-25 11:25 ` Segher Boessenkool
2017-08-07 22:33 ` Segher Boessenkool
2017-08-08 16:27 ` Jeff Law
2017-07-25 11:31 ` Kyrill Tkachov
2017-07-25 22:11 ` Segher Boessenkool [this message]
2017-07-26 20:50 ` Mike Stump
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170725221057.GJ13471@gate.crashing.org \
--to=segher@kernel.crashing.org \
--cc=gcc-patches@gcc.gnu.org \
--cc=kyrylo.tkachov@foss.arm.com \
--cc=law@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).