arm "neon"

Niels Möller nisse at lysator.liu.se
Mon Jan 14 12:29:34 CET 2013


Torbjorn Granlund <tg at gmplib.org> writes:

> nisse at lysator.liu.se (Niels Möller) writes:
>
>   And for neon instructions, cycle numbers are in
>   http://infocenter.arm.com/help/topic/com.arm.doc.ddi0388i/DDI0388I_cortex_a9_r4p1_trm.pdf
>   
> Page?

In Chapter 3, multiplication instructions listed in a table starting on
page "3-14". But now I see I read the entry for a smaller data size. For
32-bit inputs, it's apparently 2 cycles, not 1.

Regards,
/Niels

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