From: Eric Botcazou <ebotcazou@adacore.com>
To: Jeff Law <law@redhat.com>
Cc: gcc-patches@gcc.gnu.org, "H.J. Lu" <hjl.tools@gmail.com>
Subject: Re: [x32] PATCH: PR middle-end/47725: [x32] error: unable to find a register to spill in class DIREG
Date: Mon, 14 Feb 2011 19:39:00 -0000 [thread overview]
Message-ID: <201102142021.03117.ebotcazou@adacore.com> (raw)
In-Reply-To: <4D597E72.8030806@redhat.com>
> So all you're doing is trading one performance issue for another.
If adding a copy to a new pseudo was really a performance issue, we would have
many issues thoughout the compiler. AFAIK it's a classical trick.
--
Eric Botcazou
next prev parent reply other threads:[~2011-02-14 19:24 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-14 19:04 H.J. Lu
2011-02-14 19:07 ` Jeff Law
2011-02-14 19:11 ` H.J. Lu
2011-02-14 19:17 ` Jeff Law
2011-02-14 19:39 ` Eric Botcazou [this message]
2011-02-14 19:49 ` Bernd Schmidt
2011-02-14 19:51 ` Eric Botcazou
2011-02-15 23:09 ` Bernd Schmidt
2011-03-18 0:30 ` H.J. Lu
2011-03-18 4:01 ` H.J. Lu
2011-03-21 4:15 ` H.J. Lu
2011-03-22 20:10 ` Eric Botcazou
2011-03-23 3:29 ` H.J. Lu
2011-03-23 8:27 ` Eric Botcazou
2011-03-23 10:57 ` H.J. Lu
2011-03-24 15:56 ` Eric Botcazou
2011-03-29 17:50 ` H.J. Lu
2011-02-14 19:54 ` H.J. Lu
2011-02-15 15:53 ` Bernd Schmidt
2011-02-15 17:02 ` H.J. Lu
2011-02-15 17:49 ` Eric Botcazou
2011-02-15 18:14 ` H.J. Lu
2011-02-15 19:03 ` Eric Botcazou
2011-02-15 21:16 ` Jeff Law
2011-02-15 21:39 ` Bernd Schmidt
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