This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: REQ_EQUAL and mems hoisted out of loops

From: Richard Henderson <rth at redhat dot com>
To: gcc-patches at gcc dot gnu dot org
Date: Thu, 27 Mar 2003 21:27:11 -0800
Subject: Re: REQ_EQUAL and mems hoisted out of loops
References: <20030325121216.GL931@bubble.sa.bigpond.net.au> <20030326084933.GU931@bubble.sa.bigpond.net.au> <20030327234908.GJ30577@redhat.com> <20030328020942.GL931@bubble.sa.bigpond.net.au>

On Fri, Mar 28, 2003 at 12:39:42PM +1030, Alan Modra wrote:
> +	      && alias_sets_conflict_p (MEM_ALIAS_SET (mem),
> +					MEM_ALIAS_SET (sub)))

Using true_dependence would be more correct here.
That would remove fewer notes.  Ok with that change.


r~

Follow-Ups:
- Re: REQ_EQUAL and mems hoisted out of loops
  - From: Mark Mitchell

References:
- Re: REQ_EQUAL and mems hoisted out of loops
  - From: Alan Modra
- Re: REQ_EQUAL and mems hoisted out of loops
  - From: Richard Henderson
- Re: REQ_EQUAL and mems hoisted out of loops
  - From: Alan Modra

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]