[PATCH] alpha: Remove UP preprocessor conditionals

[Adhemerval Zanella]

On 13/11/2020 08:49, Florian Weimer via Libc-alpha wrote:
> The macro is never defined.
> 

LGTM, thanks.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

> ---
>  sysdeps/alpha/atomic-machine.h | 14 ++++----------
>  1 file changed, 4 insertions(+), 10 deletions(-)
> 
> diff --git a/sysdeps/alpha/atomic-machine.h b/sysdeps/alpha/atomic-machine.h
> index 3dc0133512..0904ed5688 100644
> --- a/sysdeps/alpha/atomic-machine.h
> +++ b/sysdeps/alpha/atomic-machine.h
> @@ -49,11 +49,7 @@ typedef uintmax_t uatomic_max_t;
>  #define ATOMIC_EXCHANGE_USES_CAS 1
>  
>  
> -#ifdef UP
> -# define __MB		/* nothing */
> -#else
> -# define __MB		"	mb\n"
> -#endif
> +#define __MB		"	mb\n"
>  
>  
>  /* Compare and exchange.  For all of the "xxx" routines, we expect a
> @@ -363,8 +359,6 @@ typedef uintmax_t uatomic_max_t;
>  
>  */
>  
> -#ifndef UP
> -# define atomic_full_barrier()	__asm ("mb" : : : "memory");
> -# define atomic_read_barrier()	__asm ("mb" : : : "memory");
> -# define atomic_write_barrier()	__asm ("wmb" : : : "memory");
> -#endif
> +#define atomic_full_barrier()	__asm ("mb" : : : "memory");
> +#define atomic_read_barrier()	__asm ("mb" : : : "memory");
> +#define atomic_write_barrier()	__asm ("wmb" : : : "memory");
>