------- Comment #7 from hjl at lucon dot org 2007-11-27 02:36 -------
(In reply to comment #6)
> We have changed fastcall behavior from gcc 3.4 to 4.1. For
>
> ---
> #define FASTCALL __attribute((fastcall))
>
> double FASTCALL f_dii( double p1d, int p2i, int p3i ){ return p1d +
> (double)p2
> i + (double)p3i; }
>
> int test_x;
> int test_y;
> double test_d1;
>
> void caller( void ){
> f_dii( test_d1, test_x, test_y );
> }
> ---
>
> Gcc 3.4 doesn't pass the first 2 integral parameters in ecx/edx and gcc
> 4.1 does.
>
This patch
http://gcc.gnu.org/ml/gcc-patches/2005-01/msg00541.html
fixes this fast call bug by changing the abi.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34001
