From: Richard Henderson <richard.henderson@linaro.org>
To: Laurent Desnogues <laurent.desnogues@gmail.com>
Cc: qemu-arm <qemu-arm@nongnu.org>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] ARM: SVE while issue
Date: Tue, 31 Jul 2018 12:36:29 -0400 [thread overview]
Message-ID: <b29881c1-ae9f-d6c1-9dbf-eec3051d65a7@linaro.org> (raw)
In-Reply-To: <CABoDooME+KJVWJQcodVC-Mo2qpZhmYA3LVBLQcTj88qW1i5h5g@mail.gmail.com>
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.
r~
next prev parent reply other threads:[~2018-07-31 16:38 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 ` Richard Henderson [this message]
2018-08-01 5:53 ` Laurent Desnogues
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