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Re: [Qemu-devel] [PATCH 1/2] softfloat: Enable run-time-configurable mea

From: Eduardo Habkost
Subject: Re: [Qemu-devel] [PATCH 1/2] softfloat: Enable run-time-configurable meaning of signaling NaN bit
Date: Mon, 4 Apr 2016 16:37:23 -0300
User-agent: Mutt/1.5.23 (2014-03-12)

On Mon, Apr 04, 2016 at 02:31:47PM +0100, Peter Maydell wrote:
> On 4 April 2016 at 14:21, Aleksandar Markovic
> <address@hidden> wrote:
> > B. arm - explicitely sets other fields of float_status,
> >       explicit invocation of set_snan_bit_is_one(0) added
> We zero the float_status structs on reset, because they are earlier
> in the CPUARMState structure than the 'features' field (and so the
> memset() in arm_cpu_reset() will clear them). So you don't
> need to explicitly zero a field like this. I expect the other
> architectures are the same.

Even if it is not zeroed on reset, it is zeroed on object_new().
Isn't that enough?


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