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From: Dale Johannesen <dalej@apple.com>
To: Eric Botcazou <ebotcazou@libertysurf.fr>
Cc: Dale Johannesen <dalej@apple.com>, Jan Hubicka <jh@suse.cz>,
	gcc@gcc.gnu.org
Subject: Re: Reload bug
Date: Thu, 10 Apr 2003 20:51:00 -0000	[thread overview]
Message-ID: <F42911E8-6B94-11D7-A9B8-000393D76DAA@apple.com> (raw)
In-Reply-To: <200304102200.35188.ebotcazou@libertysurf.fr>

On Thursday, April 10, 2003, at 01:01  PM, Eric Botcazou wrote:
>> I think you're completely right: the reload pass has no specific
>> infrastructure for dealing with invalid subregs. It may "fix" these
>> subregs, but only if it happens that the operand needs reloading 
>> because
>> of the insn constraints.
>
> I've found why: the code has been disabled in find_reloads()
>
> 		  /* This following hunk of code should no longer be
> 		     needed at all with SUBREG_BYTE.  If you need this
> 		     code back, please explain to me why so I can
> 		     fix the real problem.  -DaveM */
>
> Re-enabling it fix PR target/10286.
>
> Now the question: what is the replacement machinery that is supposed 
> to be
> doing the work?

Ask DaveM?  He does seem to have volunteered.

  parent reply	other threads:[~2003-04-10 20:43 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-04-08 18:52 Eric Botcazou
2003-04-08 23:16 ` Jan Hubicka
2003-04-09  0:44   ` Jan Hubicka
2003-04-09  7:00     ` Eric Botcazou
2003-04-09  3:00   ` Eric Botcazou
2003-04-09  9:49     ` Jan Hubicka
2003-04-09  8:57   ` Eric Botcazou
2003-04-09  9:45     ` Jan Hubicka
2003-04-09  9:50       ` Eric Botcazou
2003-04-09 14:52         ` Jan Hubicka
2003-04-09 18:10           ` Eric Botcazou
2003-04-09 19:15             ` Jan Hubicka
2003-04-10 14:25           ` Eric Botcazou
2003-04-10 16:31             ` Jan Hubicka
2003-04-10 16:35               ` Jan Hubicka
2003-04-10 20:21             ` Eric Botcazou
2003-04-10 20:43               ` Jan Hubicka
2003-04-11 14:44                 ` Eric Botcazou
2003-04-11 17:49                   ` Jan Hubicka
2003-04-11 18:09                   ` Jan Hubicka
2003-04-11 19:01                   ` Jan Hubicka
2003-04-11 19:07                   ` Jan Hubicka
2003-04-12 14:55                     ` Eric Botcazou
2003-04-12 17:45                       ` Jan Hubicka
2003-04-13 19:57                         ` Eric Botcazou
2003-04-13 20:04                           ` Jan Hubicka
2003-04-12 17:55                       ` Make reload to avoid invalid subregs Jan Hubicka
2003-04-17 22:32                         ` Richard Henderson
2003-04-10 20:51               ` Dale Johannesen [this message]
2003-04-09  9:13 ` Reload bug Eric Botcazou
2003-04-09 11:25   ` Jan Hubicka
2003-04-09 12:04     ` Eric Botcazou
2003-04-09 18:05       ` Jan Hubicka
2003-04-09 18:26         ` Eric Botcazou
2003-04-09 21:23         ` Richard Henderson
  -- strict thread matches above, loose matches on Subject: below --
1999-09-01  8:40 Andreas Schwab
1999-09-02  0:32 ` Jeffrey A Law
1999-09-02  2:15   ` Andreas Schwab
1999-09-30 18:02     ` Andreas Schwab
1999-09-30 18:02   ` Jeffrey A Law
1999-09-30 18:02 ` Andreas Schwab

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