Re: [08/77] Simplify gen_trunc/extend_conv_libfunc

[Jeff Law]

On 07/13/2017 02:40 AM, Richard Sandiford wrote:
> Replace checks of:
> 
>   GET_MODE_CLASS (fmode) != MODE_FLOAT && !DECIMAL_FLOAT_MODE_P (fmode)
> 
> with !is_a <scalar_float_mode> and use MODE_CLASS equality/inequality
> instead of:
> 
>   (GET_MODE_CLASS (tmode) == MODE_FLOAT && DECIMAL_FLOAT_MODE_P (fmode))
>   || (GET_MODE_CLASS (fmode) == MODE_FLOAT && DECIMAL_FLOAT_MODE_P (tmode))
> 
> and:
> 
>   (GET_MODE_CLASS (tmode) == MODE_FLOAT
>    && GET_MODE_CLASS (fmode) == MODE_FLOAT)
>   || (DECIMAL_FLOAT_MODE_P (fmode) && DECIMAL_FLOAT_MODE_P (tmode))
> 
> 2017-07-13  Richard Sandiford  <richard.sandif...@linaro.org>
>           Alan Hayward  <alan.hayw...@arm.com>
>           David Sherwood  <david.sherw...@arm.com>
> 
> gcc/
>       * optabs-libfuncs.c (gen_trunc_conv_libfunc): Use is_a
>       <scalar_float_mode>.  Simplify.
>       (gen_extend_conv_libfunc): Likewise.

OK.
jeff