[PATCH 15/15][ARM] Update sourcebuild.texi with testsuite/effective-target hooks

Kyrill Tkachov kyrylo.tkachov@arm.com
Tue Sep 8 14:20:00 GMT 2015


On 08/09/15 15:00, Alan Lawrence wrote:
> Original message here: https://gcc.gnu.org/ml/gcc-patches/2015-07/msg02363.html
>
> On 28/07/15 12:27, Alan Lawrence wrote:
>> This documents the change to arm_neon_fp16_ok in the first patch; the addition
>> of arm_neon_fp16_hw_ok in the last patch; and corrects a cross-reference.
>>
>> (I tried using an @ref instead of "Implies previous." but the page ref looked
>> very out-of-place in PDF when I am referring to the previous item in the list!)
> The change to arm_neon_fp16_ok was committed in r227033 (as per https://gcc.gnu.org/ml/gcc-patches/2015-07/msg02470.html).
>
> I've now updated this patch with the change to arm_neon_fp16_hw (rather than
>   _hw_ok), as per https://gcc.gnu.org/ml/gcc-patches/2015-09/msg00488.html.
>
> OK for trunk?

Ok.
Thanks,
Kyrill

>
> Thanks, Alan
>
> gcc/ChangeLog:
>
> 	* doc/sourcebuild.texi (arm_neon_fp16): Correct cross-reference.
> 	(arm_neon_fp16_ok): Document adding of -mfp16-format=ieee flag.
> 	(arm_neon_fp16_hw): New.
> ---
>   gcc/doc/sourcebuild.texi | 9 +++++++--
>   1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi
> index 7aa9c9d..5dc7c81 100644
> --- a/gcc/doc/sourcebuild.texi
> +++ b/gcc/doc/sourcebuild.texi
> @@ -1549,7 +1549,12 @@ options.  Some multilibs may be incompatible with these options.
>   @item arm_neon_fp16_ok
>   @anchor{arm_neon_fp16_ok}
>   ARM Target supports @code{-mfpu=neon-fp16 -mfloat-abi=softfp} or compatible
> -options.  Some multilibs may be incompatible with these options.
> +options, including @code{-mfp16-format=ieee} if necessary to obtain the
> +@code{__fp16} type.  Some multilibs may be incompatible with these options.
> +
> +@item arm_neon_fp16_hw
> +Test system supports executing Neon half-precision float instructions.
> +(Implies previous.)
>   
>   @item arm_thumb1_ok
>   ARM target generates Thumb-1 code for @code{-mthumb}.
> @@ -2035,7 +2040,7 @@ keyword}.
>   @item arm_neon_fp16
>   NEON and half-precision floating point support.  Only ARM targets
>   support this feature, and only then in certain modes; see
> -the @ref{arm_neon_ok,,arm_neon_fp16_ok effective target keyword}.
> +the @ref{arm_neon_fp16_ok,,arm_neon_fp16_ok effective target keyword}.
>   
>   @item arm_vfp3
>   arm vfp3 floating point support; see



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