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From: Laurent Desnogues <laurent.desnogues@gmail.com>
To: Richard Henderson <richard.henderson@linaro.org>
Cc: qemu-arm <qemu-arm@nongnu.org>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-arm] ARM: SVE while issue
Date: Wed, 1 Aug 2018 07:53:31 +0200	[thread overview]
Message-ID: <CABoDooOQN7_5Qa3Mz__GywTHj2eSG6965h5renG_4xk2ORZkQg@mail.gmail.com> (raw)
In-Reply-To: <b29881c1-ae9f-d6c1-9dbf-eec3051d65a7@linaro.org>

Hello,

On Tue, Jul 31, 2018 at 6:36 PM, Richard Henderson
<richard.henderson@linaro.org> 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~
>

      reply	other threads:[~2018-08-01  5:53 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-31 13:52 [Qemu-arm] ARM: SVE while issue Laurent Desnogues
2018-07-31 16:36 ` [Qemu-devel] " Richard Henderson
2018-08-01  5:53   ` Laurent Desnogues [this message]

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