>From: Vineet Gupta
>Sent: Saturday, March 7, 2020 03:12
>To: Eugeniy Paltsev; linux-snps-arc@lists.infradead.org
>Cc: Alexey Brodkin; linux-ker...@vger.kernel.org
>Subject: Re: [PATCH v2 2/4] ARC: handle DSP presence in HW
>
>On 3/5/20 12:02 PM, Eugeniy Paltsev wrote:
>&g
>From: Vineet Gupta
>Sent: Saturday, March 7, 2020 03:12
>To: Eugeniy Paltsev; linux-snps-arc@lists.infradead.org
>Cc: Alexey Brodkin; linux-ker...@vger.kernel.org
>Subject: Re: [PATCH v2 2/4] ARC: handle DSP presence in HW
>
>On 3/5/20 12:02 PM, Eugeniy Paltsev wrote:
>&g
On 3/5/20 12:02 PM, Eugeniy Paltsev wrote:
> In case of DSP extension presence in HW some instructions
> (related to integer multiply, multiply-accumulate, and divide
> operation) executes on this DSP execution unit. So their
> execution will depend on dsp configuration register (DSP_CTRL)
>
> As
In case of DSP extension presence in HW some instructions
(related to integer multiply, multiply-accumulate, and divide
operation) executes on this DSP execution unit. So their
execution will depend on dsp configuration register (DSP_CTRL)
As we want these instructions to execute the same way rega