From: Alexandre Oliva <aoliva@redhat.com>
To: bernds_cb1@t-online.de (Bernd Schmidt)
Cc: gcc@gcc.gnu.org
Subject: Re: [RFC] avoiding too narrow register classes in reload
Date: Tue, 14 Dec 2004 20:53:00 -0000 [thread overview]
Message-ID: <oroegwtxef.fsf@livre.redhat.lsd.ic.unicamp.br> (raw)
In-Reply-To: <41BF1302.7080700@t-online.de>
On Dec 14, 2004, bernds_cb1@t-online.de (Bernd Schmidt) wrote:
>> This is what causes the problem I'm running into: if this alternative
>> is selected (and it will often be), we end up forced to use one of the
>> first two argument registers for the reload, and this will fail if the
>> reload is needed in the middle of a function call sequence.
> What does the insn that it's trying to reload look like?
(set (mem addr) (pseudo))
addr is a legitimate address, that doesn't require any reloads.
--
Alexandre Oliva http://www.ic.unicamp.br/~oliva/
Red Hat Compiler Engineer aoliva@{redhat.com, gcc.gnu.org}
Free Software Evangelist oliva@{lsd.ic.unicamp.br, gnu.org}
prev parent reply other threads:[~2004-12-14 20:53 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-13 21:20 Alexandre Oliva
2004-12-14 2:06 ` Richard Henderson
2004-12-14 21:20 ` Alexandre Oliva
2004-12-14 22:31 ` Richard Henderson
2004-12-15 6:56 ` Alexandre Oliva
2004-12-15 8:09 ` Richard Henderson
2004-12-15 20:07 ` Alexandre Oliva
2004-12-16 14:14 ` Dave Korn
2004-12-14 16:22 ` Bernd Schmidt
2004-12-14 20:53 ` Alexandre Oliva [this message]
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