2008/5/19 Niels Borne <[EMAIL PROTECTED]>:
>
> Hi,
>
> I got the following error message after installing scid on fedora 9 :
>
> cc1: error: unrecognized command line option "-fforce-mem"
>
> See details below. The program seems to work, though.
> After googleing it seems this option has disappeared since gcc 4.1.
>
> Did I do something silly ?
>
> Niels
>
Hi,
It only affects Crafty, and I suggest you remove the force-mem option in
Crafty's Makefiles. With gcc 4.1 it compiles, but as stated in man page :
-fforce-mem
Force memory operands to be copied into registers before doing
arithmetic on them. This produces better code by making all memory
references potential common subexpressions. When they are not common
subexpressions, instruction combination should eliminate the separate
register-load. This option is now a nop and will be removed in 4.2.
So I will update the Makefiles in CVS.
Pascal
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