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Re: Code Branch Optimization - How to specify rarely used path?
- To: "Rimmer, Todd" <trimmer at infiniconsys dot com>
- Subject: Re: Code Branch Optimization - How to specify rarely used path?
- From: Alexandre Oliva <aoliva at redhat dot com>
- Date: 27 Mar 2001 00:54:55 -0300
- Cc: <gcc-help at gcc dot gnu dot org>
- Organization: GCC Team, Red Hat
- References: <8F7FFAB41E30A94AA5493EDE0E59890B12CB15@ZEPPELIN.infiniconsys.com>
On Mar 26, 2001, "Rimmer, Todd" <trimmer@infiniconsys.com> wrote:
> What I would like is a way to tell the compiler that the call to
> LogPrint (ie. the then clause of the if) is rarely taken.
See __builtin_expect() in the GCC manual of a development snapshot of
2.97 or newer.
--
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}
Free Software Evangelist *Please* write to mailing lists, not to me