This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]

Re: code quality pesimization with function returning changes

To: Jan Hubicka <jh at suse dot cz>
Subject: Re: code quality pesimization with function returning changes
From: Richard Henderson <rth at redhat dot com>
Date: Thu, 7 Jun 2001 12:34:08 -0700
Cc: gcc at gcc dot gnu dot org
References: <20010605175044.B7974@atrey.karlin.mff.cuni.cz> <20010605133321.C25714@redhat.com> <20010606114525.B824@atrey.karlin.mff.cuni.cz>

On Wed, Jun 06, 2001 at 11:45:25AM +0200, Jan Hubicka wrote:
> That way we will still use hard register as return value, but
> the sign_extend will be emitted as sign_extend to register followed by
> move.

That doesn't help.  At present we only do that kind of
if-conversion on blocks with single instructions.

r~

References:
- code quality pesimization with function returning changes
  - From: Jan Hubicka
- Re: code quality pesimization with function returning changes
  - From: Richard Henderson
- Re: code quality pesimization with function returning changes
  - From: Jan Hubicka

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]