On 2/20/19 8:06 AM, Bernhard Reutner-Fischer wrote:
> On 19 February 2019 19:18:21 CET, Steve Kargl
> <s...@troutmask.apl.washington.edu> wrote:
>> On Mon, Feb 18, 2019 at 02:23:34PM +0100, Martin Liška wrote:
>>>
>>> As I installed all needed patches, I'm sending a documentation entry
>>> for the new functionality.
>>>
>>> Thoughts?
>>
>> See below. Ok to commit with suggested changes.
>>
>>> Thanks,
>>> Martin
>>
>>> >From 2d304e3b1d734548811f963c5bed1855b5375c43 Mon Sep 17 00:00:00
>> 2001
>>> From: marxin <mli...@suse.cz>
>>> Date: Mon, 18 Feb 2019 14:21:56 +0100
>>> Subject: [PATCH] Document Fortran header directive.
>>>
>>> ---
>>> gcc/fortran/gfortran.texi | 19 +++++++++++++++++++
>>> 1 file changed, 19 insertions(+)
>>>
>>> diff --git a/gcc/fortran/gfortran.texi b/gcc/fortran/gfortran.texi
>>> index 02ff32f741f..72771a851f7 100644
>>> --- a/gcc/fortran/gfortran.texi
>>> +++ b/gcc/fortran/gfortran.texi
>>> @@ -3596,6 +3596,25 @@ loop that follows. N is an integer constant
>> specifying the unrolling factor.
>>> The values of 0 and 1 block any unrolling of the loop.
>>>
>>>
>>> +@node BUILTIN directive
>>> +@subsection BUILTIN directive
>>> +
>>> +The syntax of the directive is
>>> +
>>> +@code{!GCC$ BUILTIN (B) attributes simd FLAGS IF('target')}
>>> +
>>> +You can used this directive to define which middle-end built-ins
>> have vector
>>
>> s/used/use
>>
>>> +implementation. B is name of the middle-end built-in. FLAGS are
>> optional
>>
>> s/B is/@code{B} is the
>> S/FLAGS/@code{FLAGS}
>>
>>> +and must have be either "(inbranch)" or "(notinbranch)". IF
>> statement
>>
>> delete 'have'
>> s/IF/The @code{IF}
>>
>>> +is optional and is used to filter multilib ABIs for that
>>> +the built-in should be vectorized. Example usage:
>>
>> Change "for that the built-in should be vectorized" to
>> "for the built-in that should be vectorized"
>>
>>
>>> +
>>> +@smallexample
>>> +!GCC$ builtin (sinf) attributes simd (notinbranch) if('x86_64')
>>> +@end smallexample
>>> +
>>> +The purpose of the directive is to provide an API among the GCC
>> compiler and
>>> +the GNU C Library which would define vector implementation of math
>> routines.
>
> s/implementation/implementations/
>
> define? Or provide.
>
> Thanks,
>
>>>
>>> @node Non-Fortran Main Program
>>> @section Non-Fortran Main Program
>>> --
>>> 2.20.1
>>>
>
Hello.
Thank you both useful comments! I installed that as r269035.
Martin
