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From: Richard Henderson <rth@redhat.com>
To: nobody@gcc.gnu.org
Cc: gcc-prs@gcc.gnu.org,
Subject: Re: middle-end/5100: Wrong register class selected by find_valid_class
Date: Mon, 15 Apr 2002 10:06:00 -0000	[thread overview]
Message-ID: <20020415170602.11118.qmail@sources.redhat.com> (raw)

The following reply was made to PR middle-end/5100; it has been noted by GNATS.

From: Richard Henderson <rth@redhat.com>
To: Marco Altieri <maltieri@nergal.it>
Cc: rth@gcc.gnu.org, gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org,
   lonardo@nergal.it, nobody@gcc.gnu.org, gcc-gnats@gcc.gnu.org
Subject: Re: middle-end/5100: Wrong register class selected by find_valid_class
Date: Mon, 15 Apr 2002 10:03:47 -0700

 On Mon, Apr 15, 2002 at 03:32:51PM +0200, Marco Altieri wrote:
 > So, the algorithm in find_valid_class selects EVEN_REGS for a
 > mode == Pmode and n==1.
 
 Sounds like you should actually get an abort, since no class is
 valid for Pmode.  Seems to me your bug is that Pmode should be
 able to be *held* in any pair of registers, odd or even, but can
 only be *used* in even registers.
 
 
 r~


             reply	other threads:[~2002-04-15 17:06 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-04-15 10:06 Richard Henderson [this message]
  -- strict thread matches above, loose matches on Subject: below --
2003-01-14 23:12 bangerth
2002-04-15  6:36 Marco Altieri
2002-04-04  4:27 rth
2001-12-13  2:36 maltieri

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