[PATCH] docs: add cavear for __builtin_cpu_supports

[PATCH] docs: add cavear for __builtin_cpu_supports

[Martin Liška]

Document that the function does not work correctly for old
VIA processors.

Ready to be installed?
Thanks,
Martin

	PR target/100758

gcc/ChangeLog:

	* doc/extend.texi: Document that the function
	does not work correctly for old VIA processors.
---
 gcc/doc/extend.texi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index 5a026c4b48c..2aedf6dfe69 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -22071,6 +22071,9 @@ else
      count = generic_countbits (n); //generic implementation.
   @}
 @end smallexample
+
+Caveat: The built-in function does not work correctly on old VIA
+processors (Centaur family).
 @end deftypefn
 
 The following built-in functions are made available by @option{-mmmx}.
-- 
2.39.1

Re: [PATCH] docs: add cavear for __builtin_cpu_supports

[Gerald Pfeifer]

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On Thu, 9 Feb 2023, Martin Liška wrote:
> Document that the function does not work correctly for old VIA 
> processors.

Thanks for doing this, Martin!

> +Caveat: The built-in function does not work correctly on old VIA
> +processors (Centaur family).

Maybe say "This built-in function...", though that's a nuance. The patch 
is okay either way.

Gerald

Re: [PATCH] docs: add cavear for __builtin_cpu_supports

[Martin Liška]

On 2/9/23 11:43, Gerald Pfeifer wrote:
> On Thu, 9 Feb 2023, Martin Liška wrote:
>> Document that the function does not work correctly for old VIA 
>> processors.
> 
> Thanks for doing this, Martin!
> 
>> +Caveat: The built-in function does not work correctly on old VIA
>> +processors (Centaur family).
> 
> Maybe say "This built-in function...", though that's a nuance. The patch 
> is okay either way.

Thanks for review, I've just pushed it with the suggestion.

Martin

> 
> Gerald