From: Bernd Schmidt <bernds@codesourcery.com>
To: Richard Henderson <rth@redhat.com>
Cc: "gcc@gcc.gnu.org" <gcc@gcc.gnu.org>
Subject: Re: [RFC] Remove -freorder-blocks-and-partition
Date: Tue, 19 Jul 2011 21:56:00 -0000 [thread overview]
Message-ID: <4E25FA5E.9010303@codesourcery.com> (raw)
In-Reply-To: <4E25F810.6050904@redhat.com>
On 07/19/11 23:33, Richard Henderson wrote:
> But after pass_partition_blocks, we run into trouble. There
> are no less than 4 other passes that add *new* crossing jumps
> without doing *any* of the subsequent fixups for less capable
> targets: pass_outof_cfg_layout_mode, pass_reorder_blocks,
> pass_sched2 (ia64 only? it's in code in haifa that looks like
> speculative load fixups), and pass_convert_to_eh_region_ranges.
Is it possible to leave it in for targets to call during their reorg
pass, which I'm assuming is late enough? Really the entire pass pipeline
after reload needs rethinking.
I'm not necessarily opposed to removing it though. I also ran into the
lack of test coverage.
Bernd
next prev parent reply other threads:[~2011-07-19 21:43 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-19 21:43 Richard Henderson
2011-07-19 21:56 ` Bernd Schmidt [this message]
2011-07-19 22:09 ` Richard Henderson
2011-07-19 23:18 ` Joern Rennecke
2011-07-19 22:28 ` Joern Rennecke
2011-07-19 22:44 ` Richard Henderson
2011-07-25 7:40 ` Xinliang David Li
2011-07-25 11:05 ` Paolo Bonzini
2011-07-25 18:40 ` Xinliang David Li
2011-07-26 1:29 ` Xinliang David Li
2011-07-26 2:33 ` Joern Rennecke
2011-07-27 6:47 ` Xinliang David Li
2011-07-27 8:12 ` Paolo Bonzini
2011-08-03 21:06 ` Jan Hubicka
2011-08-03 21:46 ` Xinliang David Li
2011-08-04 13:32 ` Jan Hubicka
2011-08-04 13:39 ` Jan Hubicka
2011-08-04 16:03 ` Taras Glek
2011-08-03 20:56 ` Jan Hubicka
2011-08-03 20:50 ` Jan Hubicka
2011-07-19 22:43 Steven Bosscher
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