[PATCH] MIPS: NaN encoding fixes and IEEE 754-2008 updates

[Sebastian Huber]

On 2014-03-19 01:06, Maciej W. Rozycki wrote:
> Index: newlib-fsf-trunk-quilt/newlib/libm/common/s_nan.c
> ===================================================================
> --- newlib-fsf-trunk-quilt.orig/newlib/libm/common/s_nan.c	2014-03-10 18:58:42.000000000 +0000
> +++ newlib-fsf-trunk-quilt/newlib/libm/common/s_nan.c	2014-03-10 21:26:11.748926514 +0000
> @@ -41,7 +41,13 @@ QUICKREF
>   {
>   	double x;
>
> +#if defined(__GNUC__) && \
> +  ( (__GNUC__ >= 4) || \
> +    ( (__GNUC__ >= 3) && defined(__GNUC_MINOR__) && (__GNUC_MINOR__ >= 3) ) )
> +	x = __builtin_nan("");
> +#else
>   	INSERT_WORDS(x,0x7ff80000,0);
> +#endif
>   	return x;
>   }
>

Maybe it makes sense to use the __GNUC_PREREQ__(ma, mi) macro here defined in 
<sys/features.h>.

-- 
Sebastian Huber, embedded brains GmbH

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