Re: [Bug target/41989] Code optimized for AMD Geode is slower than generic

[Andrew Pinski <pinskia at gmail dot com>]

Sent from my iPhone

On Nov 8, 2009, at 11:52 AM, "rootkit85 at yahoo dot it" <gcc-bugzilla@gcc.gnu.org 
> wrote:

> ------- Comment #4 from rootkit85 at yahoo dot it  2009-11-08 19:52  
> -------
> # cat /proc/cpuinfo
> processor       : 0
> vendor_id       : AuthenticAMD
> cpu family      : 5
> model           : 10
> model name      : Geode(TM) Integrated Processor by AMD PCS
> stepping        : 2
> cpu MHz         : 498.060
> cache size      : 128 KB
> fdiv_bug        : no
> hlt_bug         : no
> f00f_bug        : no
> coma_bug        : no
> fpu             : yes
> fpu_exception   : yes
> cpuid level     : 1
> wp              : yes
> flags           : fpu de pse tsc msr cx8 sep pge cmov clflush mmx  
> mmxext
> 3dnowext 3dnow

Since it has cmov this is not a real geode :).


> bogomips        : 996.12
> clflush size    : 32
> cache_alignment : 32
> address sizes   : 32 bits physical, 32 bits virtual
> power management:
>
> # CFLAGS='-march=native' ./dry.c
> Dhrystones per Second:                          715308
>
>
> --
>
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41989