From: DJ Delorie <dj@redhat.com>
To: rth@redhat.com
Cc: ian@wasabisystems.com, gcc@gcc.gnu.org
Subject: Re: Can we speed up the gcc_target structure?
Date: Mon, 19 Jan 2004 19:33:00 -0000 [thread overview]
Message-ID: <200401191932.i0JJWJjc001769@greed.delorie.com> (raw)
In-Reply-To: <20040118223751.GB14927@redhat.com> (message from Richard Henderson on Sun, 18 Jan 2004 14:37:51 -0800)
> > What is preventing us from declaring the structure as constant so we
> > should get propagation even with current design?
>
> Targets that modify the structure at startup.
Maybe I'm misremembering, but wasn't one of the goals of using the
target structure to be able to switch them at runtime? If so, a
command line argument could change the pointer to point to a different
structure, which completely invalidates all such optimizations.
next prev parent reply other threads:[~2004-01-19 19:33 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-18 8:37 Ian Lance Taylor
2004-01-18 9:03 ` Zack Weinberg
2004-01-18 14:09 ` Ian Lance Taylor
2004-01-18 22:25 ` Zack Weinberg
2004-01-19 0:53 ` Ian Lance Taylor
2004-01-19 1:18 ` Geoff Keating
2004-01-18 11:30 ` Joseph S. Myers
2004-01-18 13:58 ` Kaveh R. Ghazi
2004-01-18 19:54 ` Ian Lance Taylor
2004-01-18 20:10 ` Richard Henderson
2004-01-18 20:17 ` Ian Lance Taylor
2004-01-18 21:14 ` Joseph S. Myers
2004-01-18 22:05 ` Richard Henderson
2004-01-18 22:22 ` Jan Hubicka
2004-01-18 22:37 ` Richard Henderson
2004-01-19 19:33 ` DJ Delorie [this message]
2004-01-19 20:41 ` Richard Henderson
2004-01-19 1:12 ` Geoff Keating
2004-01-19 13:51 ` Ian Lance Taylor
2004-01-18 22:18 Chris Lattner
2004-01-18 22:33 ` Jan Hubicka
2004-01-18 22:40 ` Chris Lattner
2004-01-18 22:48 ` Jan Hubicka
2004-01-18 22:50 ` Chris Lattner
2004-01-18 23:27 ` Jan Hubicka
2004-01-18 23:34 ` Jakub Jelinek
2004-01-19 1:36 ` Chris Lattner
2004-01-18 22:42 ` Joseph S. Myers
2004-01-18 22:44 ` Chris Lattner
2004-01-18 22:36 ` Richard Henderson
2004-01-18 22:42 ` Chris Lattner
2004-01-19 11:51 Richard Kenner
2004-01-19 12:01 ` Richard Guenther
2004-01-19 20:02 ` Richard Henderson
2004-01-19 14:16 ` Robert Dewar
2004-01-19 18:03 ` Zack Weinberg
2004-01-19 18:18 Richard Kenner
2004-01-19 18:26 ` Zack Weinberg
2004-01-19 19:05 Richard Kenner
2004-01-19 21:15 ` Zack Weinberg
2004-01-19 21:25 Richard Kenner
2004-01-19 23:36 ` Zack Weinberg
2004-01-19 23:42 Richard Kenner
2004-01-19 23:46 ` Zack Weinberg
2004-01-19 23:48 Richard Kenner
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