What are the functions of -fno-strict-aliasing,-fno-strength-reduce,-fno-omit-frame-pointer

Aaron J. Grier aaron@frye.com
Wed Nov 22 09:43:00 GMT 2000


On Wed, Nov 22, 2000 at 02:34:07PM +0800, zsz wrote:

> Why does kernel/Makefile

which kernel?

> set "-fno-omit-frame-pointer" for sched.c.  and I don't also
> understand "-fno-strict-aliasing" and "-fno-strength-reduce".  Who
> could give me some detailed explanation?  thank you very much in
> advance!

the gcc info pages have detailed explainations of all the -f options.

-- 
  Aaron J. Grier   |    Frye Electronics, Tigard, OR   |   aaron@frye.com
    "Calling anything from the x86 world a 'masterpiece' seems, to me,
     like putting a gold star on the best-looking fingerpainting in the
     special-needs Kindergarten class."  --  Wakko Warner

------
Want more information?  See the CrossGCC FAQ, http://www.objsw.com/CrossGCC/
Want to unsubscribe? Send a note to crossgcc-unsubscribe@sourceware.cygnus.com



More information about the crossgcc mailing list