Re: [Ltp-commits] [Git] ltp updated.

[Cyril H. <ch...@su...>]

Hi!
> - Log -----------------------------------------------------------------
> commit 66563a75aab15b2cee95e2e296543a9a2b9a3e25
> Author: Garrett Cooper <yan...@gm...>
> Date:   Mon Nov 1 23:36:33 2010 -0700
> 
>     Use glibc builtin to avoid -O2 gcc optimization bugs.
>     
>     In recent copies of gcc (v4.3.4) -O2 optimization makes the current
>     atomic_add function malfunction for some reason (need to refer to
>     glibc changes for more details). To avoid these sorts of problems
>     in the future, it is better to make use of the glibc builtin.
>     
>     Signed-off-by: Gowrishankar <gow...@in...>
>     Signed-off-by: Darren Hart <dv...@us...>
>     Tested-by: Gowrishankar <gow...@in...>
> 
> -----------------------------------------------------------------------

Just for clarity, this is gcc buildin, see:

http://gcc.gnu.org/onlinedocs/gcc-4.1.2/gcc/Atomic-Builtins.html

And the malfunction was caused by incorrect gcc inline assembler.

-- 
Cyril Hrubis
ch...@su...