warnings fix, i386.[ch]

[Zack Weinberg]

Jeffrey A Law wrote:
> 
>   In message < 199908252103.OAA07387@zack.bitmover.com >you write:
>   > 
>   > This patch shuts up the "initialization from incompatible pointer
>   > type" warnings when compiling toplev.c on x86.
>   > 
>   > zw
>   > 
>   > 1999-08-25 14:00 -0700  Zack Weinberg  <zack@bitmover.com>
>   > 
>   > 	* i386.h: Declare ix86_cpu_string, ix86_arch_string,
>   > 	i386_reg_alloc_order, i386_regparm_string,
>   > 	i386_align_loops_string, i386_align_jumps_string,
>   > 	i386_align_funcs_string, i386_preferred_stack_boundary_string,
>   > 	and i386_branch_cost_string as type "const char *".
>   > 	* i386.c: Define all above strings as type "const char *".

> Approved.  Can you please install this change? Thanks.

Done.

> ps.  At first I thought you had botched i386_reg_alloc_order, but
> then I realized that i386.c::order_regs_for_local_alloc was
> modifying reg_alloc_order, not i386_reg_alloc_order.

Yeah, it's confusing because it doesn't match the names of all the
other strings set from TARGET_OPTIONS.  It should maybe get renamed
i386_reg_alloc_order_string.

zw