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From: law@redhat.com
To: Andrew MacLeod <amacleod@redhat.com>
Cc: Diego Novillo <dnovillo@redhat.com>, gcc mailing list <gcc@gcc.gnu.org>
Subject: Re: [tree-ssa] Out of SSA status and issues
Date: Mon, 12 May 2003 17:08:00 -0000	[thread overview]
Message-ID: <200305121708.h4CH86cS015911@speedy.slc.redhat.com> (raw)
In-Reply-To: Your message of "12 May 2003 11:57:07 EDT." <1052755028.2743.368.camel@p4>

In message <1052755028.2743.368.camel@p4>, Andrew MacLeod writes:
 >On another note, shouldn't the into-ssa-pass's copy propagation only be
 >turned on when -ftree-copyprop is specified?  I think we do it all the
 >time right now... thus my problem in libstdc++ even without
 >-ftree-copyprop...
Probably...


FWIW, I dug up my changes to identify the problem variables (those
occurring in abnormal PHIs) and cobbled together the two lines of
code necessary to use that information to avoid copy propagating
those variables during SSA renaming.

Interested in playing with it to see if it resolves your problems?


jeff

  parent reply	other threads:[~2003-05-12 17:08 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-05-12 14:42 Andrew MacLeod
2003-05-12 15:38 ` Diego Novillo
2003-05-12 15:57   ` Andrew MacLeod
2003-05-12 16:05     ` Michael Matz
2003-05-12 16:10       ` Andrew MacLeod
2003-05-12 16:16       ` law
2003-05-12 17:08     ` law [this message]
2003-05-12 17:12       ` Andrew MacLeod
2003-05-12 17:26         ` law
2003-05-12 18:57 ` Andrew MacLeod
2003-05-13  9:07   ` Michael Matz
2003-05-13 12:42     ` Diego Novillo
2003-05-13 12:50       ` Andrew MacLeod
2003-05-13 13:05         ` Diego Novillo
2003-05-13 13:29           ` Andrew MacLeod
2003-05-13 13:57             ` Diego Novillo
2003-05-13 12:57       ` Michael Matz
2003-05-13 13:11         ` Diego Novillo
2003-05-13 13:18           ` Andrew MacLeod
2003-05-14 17:19             ` Jan Vroonhof
2003-05-14 18:05               ` Andrew MacLeod
2003-05-14 18:33               ` Diego Novillo
2003-05-14 19:11                 ` Daniel Berlin
2003-05-13 15:01         ` Daniel Berlin
2003-05-13 12:33   ` Diego Novillo
2003-05-13 12:49     ` Andrew MacLeod
2003-05-13 12:58       ` Diego Novillo
2003-05-13 13:17 Richard Kenner
2003-05-13 13:27 ` Diego Novillo
2003-05-13 13:40 ` Michael Matz
2003-05-13 15:08 ` Michael S. Zick
2003-05-13 13:42 Richard Kenner
2003-05-13 15:23 Richard Kenner
2003-05-13 18:50 ` Geoff Keating
2003-05-13 23:28   ` Michael S. Zick
2003-05-17 17:19 ` Michael S. Zick

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