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Re: [Qemu-devel] [PATCH v2 for-2.12 03/10] s390x/tcg: implement Interloc


From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH v2 for-2.12 03/10] s390x/tcg: implement Interlocked-Access Facility 2
Date: Thu, 7 Dec 2017 15:44:29 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0

On 12/07/2017 08:53 AM, David Hildenbrand wrote:
> +static ExitStatus op_ni(DisasContext *s, DisasOps *o)
> +{
> +    o->in1 = tcg_temp_new_i64();
> +    /* Perform the atomic operation in memory. */
> +    tcg_gen_atomic_fetch_and_i64(o->in1, o->addr1, o->in2, get_mem_index(s),
> +                                 MO_UB);
> +    /* We need to recompute the operation for setting CC.  */
> +    tcg_gen_and_i64(o->out, o->in1, o->in2);
> +    return NO_EXIT;
> +}

Similarly, check interlocked-access-facility-2?


r~



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