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Re: Reload bug

From: Dale Johannesen <dalej at apple dot com>
To: Eric Botcazou <ebotcazou at libertysurf dot fr>
Cc: Dale Johannesen <dalej at apple dot com>, Jan Hubicka <jh at suse dot cz>, gcc at gcc dot gnu dot org
Date: Thu, 10 Apr 2003 13:42:32 -0700
Subject: Re: Reload bug

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.

References:
- Re: Reload bug
  - From: Eric Botcazou

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