lkml.org 
[lkml]   [2001]   [Dec]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: gcc 3.0.2/kernel details (-O issue)
Hi!

> > It is interesting that 2.2 can be done with -O. Also I'd expect
> > errors during compilation and not silent crash...
>
> Well, you certainly won't get errors, because compiler optimizations
> shouldn't change expected syntax.
>
> -O2 is the standard optimization level for the kernel; everything is
> compiled via it. When developers test their code, nuances that the
> optimization introduce are accepted. Removing the optimization may
> break those expectations. Thus the kernel requires it.

Huh? Those expectations are *bugs*.

Kernel will not link without optimalizations because it *needs*
inlining. Any else dependency is a *bug*.
Pavel

--
(about SSSCA) "I don't say this lightly. However, I really think that the U.S.
no longer is classifiable as a democracy, but rather as a plutocracy." --hpa
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:18    [W:0.210 / U:0.080 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site