From: Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
To: Andrew MacLeod <amacleod@redhat.com>
Cc: Chris Lattner <sabre@nondot.org>, Jeff Law <law@redhat.com>,
gcc mailing list <gcc@gcc.gnu.org>
Subject: Re: [tree-ssa] Lazy updating of stmt operands
Date: Fri, 12 Dec 2003 19:42:00 -0000 [thread overview]
Message-ID: <20031212192459.GA9411@atrey.karlin.mff.cuni.cz> (raw)
In-Reply-To: <1071256652.14001.265.camel@p4>
Hello,
> I suspect the loop optimizations are going to fall into the same
> category as CCP in that they are going to be interested in the immediate
> uses of only a partial subset of variables most of the time. I think its
> far more efficient to calculate those when you need them/know what they
> are, and possibly maintain just those def->uses.
hardly; you still must scan all statements to find the uses, so I don't
see where you would want to get the extra efficiency.
Zdenek
next prev parent reply other threads:[~2003-12-12 19:25 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-11 22:31 Chris Lattner
2003-12-12 3:14 ` law
2003-12-12 3:58 ` Chris Lattner
2003-12-12 19:25 ` Andrew MacLeod
2003-12-12 19:42 ` Zdenek Dvorak [this message]
2003-12-12 19:45 ` Andrew MacLeod
2003-12-12 19:54 ` Chris Lattner
2003-12-12 19:55 ` Andrew MacLeod
2003-12-12 20:39 ` [tree-ssa] Maintaining/representing def-use/use-def information Chris Lattner
2003-12-13 13:46 ` Andrew MacLeod
2003-12-14 3:59 ` Chris Lattner
2003-12-15 17:17 ` Andrew MacLeod
2003-12-15 19:18 ` Chris Lattner
2003-12-15 19:43 ` Andrew MacLeod
2003-12-15 20:26 ` Chris Lattner
2003-12-15 20:29 ` Diego Novillo
2003-12-15 20:52 ` Andrew MacLeod
2003-12-15 21:01 ` Zdenek Dvorak
2003-12-15 21:09 ` Andrew MacLeod
2003-12-15 21:11 ` Zdenek Dvorak
2003-12-15 21:20 ` Diego Novillo
2003-12-15 21:23 ` Zdenek Dvorak
2003-12-15 21:31 ` Andrew MacLeod
2003-12-17 8:47 ` law
2003-12-15 21:03 ` Diego Novillo
2003-12-15 21:11 ` Andrew MacLeod
2003-12-15 21:11 ` Chris Lattner
2003-12-15 21:16 ` Zdenek Dvorak
2003-12-15 21:19 ` Chris Lattner
2003-12-15 21:38 ` Daniel Berlin
2003-12-15 22:08 ` Chris Lattner
2003-12-15 23:09 ` Daniel Berlin
2003-12-15 23:31 ` Chris Lattner
2003-12-15 23:46 ` Daniel Berlin
2003-12-15 21:32 ` Daniel Berlin
2003-12-15 21:31 ` Andrew MacLeod
2003-12-17 7:51 ` law
2003-12-15 20:04 ` Diego Novillo
2003-12-15 23:26 ` law
2003-12-15 23:32 ` Chris Lattner
2003-12-12 21:26 ` [tree-ssa] Lazy updating of stmt operands Diego Novillo
2003-12-12 19:57 ` Chris Lattner
2003-12-13 16:02 ` Andrew MacLeod
2003-12-14 3:39 ` Chris Lattner
2003-12-15 23:41 ` law
2003-12-16 6:02 ` Andrew MacLeod
-- strict thread matches above, loose matches on Subject: below --
2003-12-15 20:47 Chris Lattner
2003-12-07 16:22 Zdenek Dvorak
2003-12-07 17:14 ` Diego Novillo
2003-12-07 17:28 ` Zdenek Dvorak
2003-12-07 17:36 ` Diego Novillo
2003-12-07 18:09 ` Zdenek Dvorak
2003-12-11 19:39 ` law
2003-12-07 22:20 ` Steven Bosscher
2003-12-09 14:30 ` Andrew MacLeod
2003-12-09 20:40 ` Zdenek Dvorak
2003-12-11 19:41 ` law
2003-12-11 19:38 ` law
2003-12-11 19:52 ` Zdenek Dvorak
2003-12-11 22:36 ` Zdenek Dvorak
2003-12-11 23:34 ` Andrew MacLeod
2003-12-15 19:10 ` Andrew MacLeod
2003-12-15 19:19 ` Zdenek Dvorak
2003-12-15 20:55 ` Andrew MacLeod
2003-12-15 21:06 ` Zdenek Dvorak
2003-12-15 21:39 ` Andrew MacLeod
2003-12-15 21:49 ` Zdenek Dvorak
2003-12-15 22:04 ` Andrew MacLeod
2003-12-15 22:39 ` law
2003-12-17 4:56 ` law
2003-12-16 23:32 ` Andrew MacLeod
2003-12-17 0:09 ` Zdenek Dvorak
2003-12-17 0:21 ` Andrew MacLeod
2003-12-17 3:28 ` law
2003-12-15 19:28 ` Diego Novillo
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