[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-arm] [PATCH 2/2] target/arm: Use tcg_gen_gvec_bitsel

From: Richard Henderson
Subject: Re: [Qemu-arm] [PATCH 2/2] target/arm: Use tcg_gen_gvec_bitsel
Date: Mon, 3 Jun 2019 13:15:57 -0500
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0

On 5/23/19 8:30 AM, Peter Maydell wrote:
> On Thu, 23 May 2019 at 14:16, Richard Henderson
> <address@hidden> wrote:
>> On 5/23/19 9:08 AM, Peter Maydell wrote:
>>>> Because the three different instructions perform the same operation with
>>>> reshuffled register arguments.
>>> Ah, so they do. Next question, how do I find out what the
>>> order of arguments in the above code means so I can compare
>>> it against the pseudocode expression we're implementing?
>> >From tcg/README:
>> * bitsel_vec v0, v1, v2, v3
>>   Bitwise select, v0 = (v2 & v1) | (v3 & ~v1), across the entire vector.
>> The "selector" is second, the first input operand.
> Oh, this series is based on another patchset.
> Reviewed-by: Peter Maydell <address@hidden>

The prerequisite for this patch is now in master.


reply via email to

[Prev in Thread] Current Thread [Next in Thread]