gcc: jak zjistit dostupne march

Petr Soucek petr na ryston.cz
Pondělí Duben 16 23:43:07 CEST 2001


Michal Kaspar wrote:
> 
> No v info gcc k tomu neco malo je, ale rekl bych, ze to neni uplne
> nejaktualnejsi:
> 
> `-mcpu=CPU TYPE'
>      Assume the defaults for the machine type CPU TYPE when scheduling
>      instructions.  The choices for CPU TYPE are:
> 
>      `i386'        `i486'        `i586'        `i686'
>      `pentium'     `pentiumpro'  `k6'
> 
> -march=CPU TYPE'
>      Generate instructions for the machine type CPU TYPE.  The choices
>      for CPU TYPE are the same as for `-mcpu'.  Moreover, specifying
>      `-march=CPU TYPE' implies `-mcpu=CPU TYPE'.
> 

No to by me pak zajimalo, proc je v rpm pro architekturu 386:
%optflags               -O2 -march=i386 -mcpu=i686

Petr Soucek


Další informace o konferenci Linux