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From: Richard Sandiford
Sent: 23 July 2021 10:31
To: Kyrylo Tkachov
Cc: Jonathan Wright ; gcc-patches@gcc.gnu.org
Subject: Re: [PATCH 4/8] aarch64: Use memcpy to copy vector tables in vtbx4
intrinsics
Kyrylo Tkachov writes:
>> -Original Message-
>> Fr
Kyrylo Tkachov writes:
>> -Original Message-
>> From: Jonathan Wright
>> Sent: 23 July 2021 10:15
>> To: gcc-patches@gcc.gnu.org
>> Cc: Kyrylo Tkachov ; Richard Sandiford
>>
>> Subject: [PATCH 4/8] aarch64: Use memcpy to copy vector tables i
> -Original Message-
> From: Jonathan Wright
> Sent: 23 July 2021 10:15
> To: gcc-patches@gcc.gnu.org
> Cc: Kyrylo Tkachov ; Richard Sandiford
>
> Subject: [PATCH 4/8] aarch64: Use memcpy to copy vector tables in vtbx4
> intrinsics
>
> Hi,
>
>
Hi,
This patch uses __builtin_memcpy to copy vector structures instead of
building a new opaque structure one vector at a time in each of the
vtbx4 Neon intrinsics in arm_neon.h. This simplifies the header file
and also improves code generation - superfluous move instructions
were emitted for ever
