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
prev 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).