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Re: A reload inheritance bug
- From: Bernd Schmidt <bernds_cb1 at t-online dot de>
- To: Mark Shinwell <shinwell at codesourcery dot com>
- Cc: GCC Development <gcc at gcc dot gnu dot org>, Richard Sandiford <richard at codesourcery dot com>, Ian Lance Taylor <iant at google dot com>
- Date: Tue, 15 May 2007 12:13:46 +0200
- Subject: Re: A reload inheritance bug
- References: <4648D8E1.2070307@codesourcery.com>
Mark Shinwell wrote:
> The bug is currently only exhibiting itself on a proprietary testcase
> when compiled for an ARM target and is extremely sensitive to the
> particular code involved. It arises as follows, using the same notation
> as in Richard's mail:
If you can't post the testcase, the best thing you can do to help is to
print out all the involved RTL insns before and after, as well as output
from debug_reload for all of them (possibly once after returning to
reload_as_needed from find_reloads, and again after choose_reload_regs
has run).
Bernd
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