public inbox for gcc@gcc.gnu.org
 help / color / mirror / Atom feed
From: Richard Henderson <rth@redhat.com>
To: Corey Minyard <minyard@acm.org>
Cc: gcc@gcc.gnu.org
Subject: Re: Loop optimization bug with Ada front end on PPC (and probably Alpha)
Date: Tue, 27 Nov 2001 12:58:00 -0000	[thread overview]
Message-ID: <20011127125755.C30084@redhat.com> (raw)
Message-ID: <20011127125800.We8FsXZGn-9JnDTuLV4CejiOaS6TxzoC0arPNRM-xZ8@z> (raw)
In-Reply-To: <3C03EF09.60009@acm.org>

On Tue, Nov 27, 2001 at 01:52:41PM -0600, Corey Minyard wrote:
> Unforunately, this causes my original problem to come back.  I'm nervous 
> about this patch, too, I don't understand it at all.

This original problem is the Ada test case you forwarded,
or something else?

> I tried moving this test to doloop_modify_runtime in doloop.c and adding 
> the increment to the "diff" rtx in this situation, and it works in my 
> simple testcase and didn't cause the problem in the regression.

Hum.  Perhaps you're right -- putting this change in doloop
will limit liability, so to speak.  I'll move my change.


r~

  reply	other threads:[~2001-11-27 12:58 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-11-13  5:20 Corey Minyard
2001-11-13  6:05 ` David Edelsohn
2001-11-14  8:05   ` Corey Minyard
2001-11-13  8:02 ` guerby
2001-11-13  9:48   ` Corey Minyard
2001-11-16 22:19     ` David Edelsohn
2001-11-26  7:39       ` David Edelsohn
2001-11-15  0:48 ` Richard Henderson
2001-11-15 14:19   ` Andreas Schwab
2001-11-15 16:20     ` Richard Henderson
2001-11-25 12:23       ` Richard Henderson
2001-11-18  9:18     ` Richard Henderson
2001-11-27  0:02       ` Richard Henderson
2001-11-25  8:57     ` Andreas Schwab
2001-11-15 18:02   ` Corey Minyard
2001-11-15 19:37     ` Richard Henderson
2001-11-25 15:52       ` Richard Henderson
2001-11-16  3:13     ` Richard Henderson
2001-11-16  3:42       ` Corey Minyard
2001-11-16  8:54         ` Bryce McKinlay
2001-11-26  0:47           ` Bryce McKinlay
2001-11-25 20:27         ` Corey Minyard
2001-11-17  1:33       ` Corey Minyard
2001-11-17  6:09         ` Corey Minyard
2001-11-26 10:22           ` Corey Minyard
2001-11-17 11:51         ` Richard Henderson
2001-11-17 15:20           ` Corey Minyard
2001-11-26 14:45             ` Corey Minyard
2001-11-18  5:15           ` Corey Minyard
2001-11-18  8:59             ` Richard Henderson
2001-11-19  2:58               ` Corey Minyard
2001-11-19  3:11                 ` Richard Henderson
2001-11-19  5:36                   ` Corey Minyard
2001-11-19  7:48                     ` Richard Henderson [this message]
2001-11-19  7:58                       ` Corey Minyard
2001-11-19  9:43                         ` Richard Henderson
2001-11-19 12:44                           ` Corey Minyard
2001-11-19 13:53                             ` Richard Henderson
2001-11-20 11:20                               ` Corey Minyard
2001-11-27 19:57                                 ` Corey Minyard
2001-11-27 15:31                               ` Richard Henderson
2001-11-27 15:04                             ` Corey Minyard
2001-11-27 14:27                           ` Richard Henderson
2001-11-27 13:25                         ` Corey Minyard
2001-11-27 12:58                       ` Richard Henderson
2001-11-27 11:51                     ` Corey Minyard
2001-11-27 10:29                   ` Richard Henderson
2001-11-27 10:08                 ` Corey Minyard
2001-11-26 23:18               ` Richard Henderson
2001-11-26 17:15             ` Corey Minyard
2001-11-26 13:49           ` Richard Henderson
2001-11-26  8:58         ` Corey Minyard
2001-11-25 17:58       ` Richard Henderson
2001-11-25 15:06     ` Corey Minyard
2001-11-15 18:47 Richard Kenner
2001-11-25 15:13 ` Richard Kenner
2001-11-15 19:05 dewar
2001-11-25 15:20 ` dewar

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=20011127125755.C30084@redhat.com \
    --to=rth@redhat.com \
    --cc=gcc@gcc.gnu.org \
    --cc=minyard@acm.org \
    /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).