Hello,

I recommend changing them according to ARM manuals (I took the latencies
with fastforward/bypassing). Another thing to check: in the stable version
of june/2012, the SimdFloat* operation classes regroup both VFP and NEON
instructions (Float* op classes aren't used!), whose latencies may be
different. If someone fixed that I'd like to know!

Regards,

--
Fernando A. Endo, PhD student and researcher

Université de Grenoble, UJF
France



2013/10/21 Amin Farmahini <[email protected]>

> Hi All,
>
> The operation latency of some SIMD instructions given in
> configs/common/O3_ARM_v7a.py does not seem right to me. For example, the
> operation latency of SimdFloatMultAcc is only 1 cycle and operation latency
> of SimdFloatDiv is only 3 cycles. These latency values seem too low. Any
> thoughts?
>
> Thanks,
> Amin
>
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