Re: evaluation order of expressions in gcc

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> laura_rand@xxxxxxxxxxxxxxxxx writes:
> 
> > hi, all
> > 
> > i could not find an answer to this question on the net so i'm posting it
> > here.
> > 
> > as far as i know, the Ansi C standard does not specify the order of
> > evaluation of expression arguments. so if i wrote:
> > 
> > x = f() + g()
> > 
> > it would be up to the compiler whether f() or g() would be called
> > first.
> [snip]
> 
> There is no order you can depend on. It can vary by platform, and
>     according to optimization flags.

that was my question. which optimization flags does it depend on, and how? 
platform is intel x86.

laura

-- 
+++ NEU bei GMX und erstmalig in Deutschland: TÜV-geprüfter Virenschutz +++
100% Virenerkennung nach Wildlist. Infos: http://www.gmx.net/virenschutz


[Index of Archives]     [Linux C Programming]     [Linux Kernel]     [eCos]     [Fedora Development]     [Fedora Announce]     [Autoconf]     [The DWARVES Debugging Tools]     [Yosemite Campsites]     [Yosemite News]     [Linux GCC]

  Powered by Linux