[PATCH] aarch64: Add NEWS entry about libmvec for 2.39

[PATCH] aarch64: Add NEWS entry about libmvec for 2.39

[Szabolcs Nagy]

Auto-vectorizing scalar calls is now supported.
---
 NEWS | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/NEWS b/NEWS
index 83ae627f47..16afc4f869 100644
--- a/NEWS
+++ b/NEWS
@@ -55,6 +55,13 @@ Major new features:
   unsigned char, unsigned short, unsigned int, unsigned long int and
   unsigned long long int, and a type-generic macro.
 
+* On AArch64 new symbols were added to libmvec and now math.h has
+  annotations to allow GCC 9 or newer to auto-vectorize calls to the
+  following scalar math functions when -ffast-math is specified:
+  acos, acosf, asin, asinf, atan, atanf, atan2, atan2f, cos, cosf,
+  exp, expf, exp10, exp10f, exp2, exp2f, expm1, expm1f, log, logf,
+  log10, log10f, log1p, log1pf, log2, log2f, sin, sinf, tan, tanf.
+
 Deprecated and removed features, and other changes affecting compatibility:
 
 * The ldconfig program now skips file names containing ';' or ending in
-- 
2.25.1

Re: [PATCH] aarch64: Add NEWS entry about libmvec for 2.39

[Carlos O'Donell]

On 1/12/24 11:42, Szabolcs Nagy wrote:
> Auto-vectorizing scalar calls is now supported.

LGTM. Please push for 2.39.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>

> ---
>  NEWS | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/NEWS b/NEWS
> index 83ae627f47..16afc4f869 100644
> --- a/NEWS
> +++ b/NEWS
> @@ -55,6 +55,13 @@ Major new features:
>    unsigned char, unsigned short, unsigned int, unsigned long int and
>    unsigned long long int, and a type-generic macro.
>  
> +* On AArch64 new symbols were added to libmvec and now math.h has
> +  annotations to allow GCC 9 or newer to auto-vectorize calls to the
> +  following scalar math functions when -ffast-math is specified:
> +  acos, acosf, asin, asinf, atan, atanf, atan2, atan2f, cos, cosf,
> +  exp, expf, exp10, exp10f, exp2, exp2f, expm1, expm1f, log, logf,
> +  log10, log10f, log1p, log1pf, log2, log2f, sin, sinf, tan, tanf.
> +
>  Deprecated and removed features, and other changes affecting compatibility:
>  
>  * The ldconfig program now skips file names containing ';' or ending in

-- 
Cheers,
Carlos.