From: Daniel Berlin <dberlin@dberlin.org>
To: Andrew MacLeod <amacleod@redhat.com>
Cc: Diego Novillo <dnovillo@redhat.com>, gcc mailing list <gcc@gcc.gnu.org>
Subject: Re: [tree-ssa] RFC: Dropping INDIRECT_REF variables
Date: Wed, 14 May 2003 16:24:00 -0000 [thread overview]
Message-ID: <94AC6F28-8628-11D7-8B84-000A95A34564@dberlin.org> (raw)
In-Reply-To: <1052929000.3373.360.camel@p4>
>>
>
> All you were doing were taking unaliased dereferences, and replacing
> them with a variable. It was basically a simple expression replacement
> based on a single simple case... a dereference of a memory location
> that
> wasn't alasied with anything.
>
> I find it hard to beleive that this isn't going to be caught by some
> other optimization that handles expressions and looks at loads and
> stores.
>
This is the job of SSAPRE load PRE.
As I said, as long as i have the PTA/alias info, i can do the right
thing.
> Andrew
>
prev parent reply other threads:[~2003-05-14 16:24 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-14 15:09 Diego Novillo
2003-05-14 15:31 ` Timothy J. Wood
2003-05-14 16:06 ` Diego Novillo
2003-05-14 16:55 ` Dale Johannesen
2003-05-14 16:58 ` David Edelsohn
2003-05-19 20:24 ` tm_gccmail
2003-05-14 16:01 ` Daniel Berlin
2003-05-14 16:11 ` Diego Novillo
2003-05-14 16:16 ` Andrew MacLeod
2003-05-14 16:24 ` Daniel Berlin [this message]
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