[PING] floatformat.h: Add bfloat16 support.

[Joseph Myers]

On Mon, 7 Sep 2020, Willgerodt, Felix via Gcc-patches wrote:

> @@ -133,6 +133,9 @@ extern const struct floatformat floatformat_ia64_quad_little;
>  /* IBM long double (double+double).  */  extern const struct floatformat floatformat_ibm_long_double_big;  extern const struct floatformat floatformat_ibm_long_double_little;
> +/* bfloat16.  */
> +extern const struct floatformat floatformat_bfloat16_big; extern const 
> +struct floatformat floatformat_bfloat16_little;

There seems to be something odd about the diff formatting here.  I'd 
expect each declaration to be on its own line, not "extern const" at the 
end of a line and the rest of a declaration on the next line.  OK with 
that fixed.

-- 
Joseph S. Myers
joseph@codesourcery.com