[FFmpeg-devel] [PATCH] ARM: NEON optimised {put, avg}_h264_chroma_mc[48]

Måns Rullgård mans
Mon Aug 25 13:13:06 CEST 2008

"Ian Caulfield" <ian.caulfield at gmail.com> writes:

> 2008/8/25 Mans Rullgard <mans at mansr.com>
>> +        vld1.64         {d4, d5}, [r1], r4
> Can you guarantee any kind of alignment on the address in r1? If so,
> potentially better performance can be achieved by specifying the
> alignment in the opcode...

I know, and I've specified it everywhere I know of a guaranteed
alignment.  I don't know which line you're quoting, but if it's the
source address for an h264_chroma_mc function, there are no promises.

Do you have something ARMv7 based?

M?ns Rullg?rd
mans at mansr.com

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