: Richard Sandiford ; Richard Earnshaw
Subject: Re: [PATCH] AArch64: Gate various crypto intrinsics availability based
on features
From: Kyrylo Tkachov mailto:kyrylo.tkac...@arm.com>>
Date: Tuesday, January 17, 2023 at 3:53 PM
To: Tejas Belagod mailto:tejas.bela...@arm.com>>,
gcc-patches
From: Kyrylo Tkachov
Date: Tuesday, January 17, 2023 at 3:53 PM
To: Tejas Belagod , gcc-patches@gcc.gnu.org
Cc: Richard Sandiford , Richard Earnshaw
Subject: RE: [PATCH] AArch64: Gate various crypto intrinsics availability based
on features
Hi Tejas,
> -Original Message-
>
rd Earnshaw
>
> Subject: [PATCH] AArch64: Gate various crypto intrinsics availability based on
> features
>
> The 64-bit variant of PMULL{2} and AES instructions are available if FEAT_AES
> is implemented according to the Arm ARM [1]. Similarly FEAT_SHA1 and
> FEAT_SHA256
The 64-bit variant of PMULL{2} and AES instructions are available if FEAT_AES
is implemented according to the Arm ARM [1]. Similarly FEAT_SHA1 and
FEAT_SHA256 enable the use of SHA1 and SHA256 instruction variants.
This patch fixes arm_neon.h to correctly reflect the feature availability based
on
