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Re: [Qemu-devel] ARM: SVE while issue
From: |
Laurent Desnogues |
Subject: |
Re: [Qemu-devel] ARM: SVE while issue |
Date: |
Wed, 1 Aug 2018 07:53:31 +0200 |
Hello,
On Tue, Jul 31, 2018 at 6:36 PM, Richard Henderson
<address@hidden> wrote:
> 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.
I gave it a look and tested it, it works fine!
Thanks,
Laurent
> Annoying that risu didn't randomly generate this case,
> and I totally mis-read the documentation for this.
>
>
> r~
>
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