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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 19:48:18 +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> <CANu=Dmj5b2oFqvALjR5x_+Nwg8CRQSSazP9omFroin2SDqb_Tg at mail dot gmail dot com> <516C4554 dot 3090202 at twiddle dot net> <CANu=DmjtkP7zyT65FBQoAy=ze6mSXCKv2YherWgL_gQk8n0YtQ at mail dot gmail dot com> <516C48ED dot 7070205 at twiddle dot net>
On 15 April 2013 19:37, Richard Henderson <rth@twiddle.net> wrote:
> On 2013-04-15 20:31, Will Newton wrote:
>>>
>>> bx lr
>
>
> Oops. FYI there's a macro for this, if it's possible we're
> running in pre-v5 mode. DO_RET?
It should be only on armv7 (as its in the armv7 sub-directory) but I
will make sure to use DO_RET anyway. One slight issue is that the
PC-relative add is not available in thumb mode, but I guess I can just
use arm instead.
--
Will Newton
Toolchain Working Group, Linaro