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Re: [Qemu-devel] ARM: SVE while issue

From: Richard Henderson
Subject: Re: [Qemu-devel] ARM: SVE while issue
Date: Tue, 31 Jul 2018 12:36:29 -0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

On 07/31/2018 09:52 AM, Laurent Desnogues wrote:
> Hello Richard,
> according to SVE specification, whilels/whilele instructions have a
> special case where if the second operand is the maximum (un)signed
> integer then the result is an all-true predicate.  The current code in
> trans_WHILE doesn't seem to capture that requirement.  I'm afraid the
> fix won't be as trivial as for the other two bugs I reported :-)

Still not too bad.
Testing a fix for my branch now.

Annoying that risu didn't randomly generate this case,
and I totally mis-read the documentation for this.


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