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Re: [PATCH] ARM: Add Cortex-A15 optimized NEON and VFP memcpy routines, with IFUNC.
- From: Will Newton <will dot newton at linaro dot org>
- To: Richard Henderson <rth at twiddle dot net>
- Cc: libc-ports at sourceware dot org, Patch Tracking <patches at linaro dot org>
- Date: Mon, 15 Apr 2013 18:44:29 +0100
- Subject: Re: [PATCH] ARM: Add Cortex-A15 optimized NEON and VFP memcpy routines, with IFUNC.
- References: <516BCEE5 dot 9070809 at linaro dot org> <516C357F dot 40406 at twiddle dot net>
On 15 April 2013 18:14, Richard Henderson <rth@twiddle.net> wrote:
> On 2013-04-15 11:56, Will Newton wrote:
>>
>> +# ifdef PIC
>> +1: .long _GLOBAL_OFFSET_TABLE_ - 0b - PC_OFS
>> +.Lmemcpy_neon:
>> + .long C_SYMBOL_NAME(__memcpy_neon)(GOT)
>> +.Lmemcpy_vfp:
>> + .long C_SYMBOL_NAME(__memcpy_vfp)(GOT)
>> +.Lmemcpy_arm:
>> + .long C_SYMBOL_NAME(__memcpy_arm)(GOT)
>
>
> There's no need for GOT entries. Just use pc-relative references.
Are you suggesting I use GOTOFF here or something else?
Thanks,
--
Will Newton
Toolchain Working Group, Linaro