From: Steven Bosscher <stevenb.gcc@gmail.com>
To: Richard Guenther <rguenther@suse.de>
Cc: Ulrich Weigand <uweigand@de.ibm.com>, gcc-patches@gcc.gnu.org
Subject: Re: [PATCH] Remove basic_block->loop_depth
Date: Tue, 14 Aug 2012 11:00:00 -0000 [thread overview]
Message-ID: <CABu31nPSFM8pJ1VYhLxQjCUwpMkYeVvQOe9jUuC-hAGqrkpP3g@mail.gmail.com> (raw)
In-Reply-To: <alpine.LNX.2.00.1208141243060.28649@zhemvz.fhfr.qr>
On Tue, Aug 14, 2012 at 12:48 PM, Richard Guenther <rguenther@suse.de> wrote:
> If SPU md reorg would like to look at loop structures it should
> compute them. Simply call flow_loops_find, which hopefully works
> in CFG RTL mode (which I think is the mode available from md reorg?).
No, the CFG is destroyed just before MD reorg, because most MD reorgs
are not CFG aware.
But some back-ends re-surrect it (bfin, ia64, c6x, etc...), and do
compute loops (c6x at least).
Ciao!
Steven
next prev parent reply other threads:[~2012-08-14 11:00 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-13 13:02 Richard Guenther
2012-08-14 10:16 ` Ulrich Weigand
2012-08-14 10:51 ` Richard Guenther
2012-08-14 11:00 ` Steven Bosscher [this message]
2012-08-14 11:01 ` Richard Guenther
2012-08-15 12:04 ` [rfc] Fix SPU build (Re: [PATCH] Remove basic_block->loop_depth) Ulrich Weigand
2012-08-15 12:07 ` Richard Guenther
2012-08-15 22:18 ` Ulrich Weigand
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