From: Richard Henderson <rth@twiddle.net>
To: Linus Torvalds <torvalds@transmeta.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Why Plan 9 C compilers don't have asm("")
Date: Sun, 22 Jul 2001 08:53:30 -0700 [thread overview]
Message-ID: <20010722085330.A7735@twiddle.net> (raw)
In-Reply-To: <20010721234952.A4349@twiddle.net> <Pine.LNX.4.33.0107220025500.6342-100000@penguin.transmeta.com>
In-Reply-To: <Pine.LNX.4.33.0107220025500.6342-100000@penguin.transmeta.com>; from torvalds@transmeta.com on Sun, Jul 22, 2001 at 12:44:57AM -0700
On Sun, Jul 22, 2001 at 12:44:57AM -0700, Linus Torvalds wrote:
> But if you don't do that, you don't need a stack frame. You just reload GP
> and jump back to the caller.
Hmm. Yes, that could work. We'd still be changing the ABI, since
the original source "bsr foo" would really mean "bsr foo+skip ldgp".
But perhaps one that wouldn't matter for all practical purposes.
This would need to be done with a new relocation type so that old
linkers that didn't handle this sort of thing choke, but that's not
a big deal.
If I find the time I may give it a shot and see what sort of
effect it has on typical code.
r~
next prev parent reply other threads:[~2001-07-22 15:55 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-07-04 3:37 Why Plan 9 C compilers don't have asm("") Rick Hohensee
2001-07-04 3:36 ` Olivier Galibert
2001-07-04 6:24 ` Cort Dougan
2001-07-04 8:03 ` H. Peter Anvin
2001-07-04 17:22 ` Linus Torvalds
2001-07-06 8:38 ` Cort Dougan
2001-07-06 11:43 ` David S. Miller
2001-07-06 18:44 ` Linus Torvalds
2001-07-06 20:02 ` Cort Dougan
2001-07-08 21:55 ` Victor Yodaiken
2001-07-08 22:28 ` Alan Cox
2001-07-08 22:29 ` David S. Miller
2001-07-09 1:22 ` Johan Kullstam
2001-07-21 22:10 ` Richard Henderson
2001-07-22 3:43 ` Linus Torvalds
2001-07-22 3:59 ` Mike Castle
2001-07-22 6:49 ` Richard Henderson
2001-07-22 7:44 ` Linus Torvalds
2001-07-22 15:53 ` Richard Henderson [this message]
2001-07-22 19:08 ` Linus Torvalds
2001-07-04 7:15 ` pazke
2001-07-04 17:32 ` Don't feed the trooll [offtopic] " Ben LaHaise
2001-07-05 1:02 ` Michael Meissner
2001-07-05 1:54 ` Rick Hohensee
2001-07-05 16:54 ` Michael Meissner
-- strict thread matches above, loose matches on Subject: below --
2001-07-04 10:10 Rick Hohensee
2001-07-05 3:26 Rick Hohensee
2001-07-06 17:24 Rick Hohensee
2001-07-06 23:54 ` David S. Miller
2001-07-07 0:16 ` H. Peter Anvin
2001-07-07 0:37 ` David S. Miller
2001-07-07 6:16 Rick Hohensee
[not found] <mailman.994629840.17424.linux-kernel2news@redhat.com>
2001-07-09 0:08 ` Pete Zaitcev
2001-07-09 0:28 ` Victor Yodaiken
2001-07-09 3:03 Rick Hohensee
2001-07-23 4:39 Rick Hohensee
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=20010722085330.A7735@twiddle.net \
--to=rth@twiddle.net \
--cc=linux-kernel@vger.kernel.org \
--cc=torvalds@transmeta.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.