public inbox for gcc-patches@gcc.gnu.org
 help / color / mirror / Atom feed
From: Eric Botcazou <ebotcazou@adacore.com>
To: Richard Sandiford <rdsandiford@googlemail.com>
Cc: gcc-patches@gcc.gnu.org,
	"Chung-Lin Tang" <cltang@codesourcery.com>,
	Richard Earnshaw <rearnsha@arm.com>,
	Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
Subject: Re: [patch, ARM] Fix PR42017, LR not used in leaf functions
Date: Thu, 19 May 2011 14:26:00 -0000	[thread overview]
Message-ID: <201105191512.38383.ebotcazou@adacore.com> (raw)
In-Reply-To: <g41v021xt9.fsf@googlemail.com>

> > It seems a lot of other ports suffer from the same problem though.
> > I wonder which targets really do want to make a register live throughout
> > the function?  If none do, perhaps we should say that this macro is
> > only meaningful once the epilogue has been generated.
>
> To answer my own question, I suppose VRSAVE is one.  So I was wrong
> about the target-independent "fix".

We have %i7 on the SPARC (register where the return address register is saved).

-- 
Eric Botcazou

      parent reply	other threads:[~2011-05-19 13:19 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-28  6:34 Chung-Lin Tang
2011-05-03 13:24 ` Richard Sandiford
2011-05-13 15:26   ` Richard Sandiford
2011-05-17  7:22     ` Chung-Lin Tang
2011-05-20 13:28       ` Ramana Radhakrishnan
2011-05-20 13:49         ` Chung-Lin Tang
2011-05-25 19:03           ` Chung-Lin Tang
2011-06-02  5:00             ` Ping " Chung-Lin Tang
2011-05-19 14:26     ` Eric Botcazou [this message]

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=201105191512.38383.ebotcazou@adacore.com \
    --to=ebotcazou@adacore.com \
    --cc=cltang@codesourcery.com \
    --cc=gcc-patches@gcc.gnu.org \
    --cc=ramana.radhakrishnan@arm.com \
    --cc=rdsandiford@googlemail.com \
    --cc=rearnsha@arm.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).