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Re: gcc 3.0 produces worser code on Ultrasparc
- To: "Heiko Wengler" <wengler at do dot isst dot fhg dot de>
- Subject: Re: gcc 3.0 produces worser code on Ultrasparc
- From: Alexandre Oliva <aoliva at redhat dot com>
- Date: 02 Jul 2001 12:14:19 -0300
- Cc: gcc at gcc dot gnu dot org
- Organization: GCC Team, Red Hat
- References: <000501c10302$e0d8ff60$7fa166c0@do.isst.fhg.de>
On Jul 2, 2001, "Heiko Wengler" <wengler@do.isst.fhg.de> wrote:
> Funny thing happens with gcc 3.0 on solaris 7 Ultrasparc 2 machines.
> -O2 produces better code than -O2 -mcpu=ultrasparc
> gcc 2.95.3 shows no difference on my test prg.
Just like GCC 2.95.3, GCC 3.0 doesn't fully support -mcpu=ultrasparc,
so all bets are off.
--
Alexandre Oliva Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp oliva@{lsd.ic.unicamp.br, gnu.org}
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