From: Richard Henderson <richard.henderson@linaro.org>
To: Petr Tesarik <ptesarik@suse.com>, qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>,
qemu-stable@nongnu.org, Aurelien Jarno <aurelien@aurel32.net>
Subject: Re: [Qemu-devel] [PATCH 1/1] Fix conversion from uint64 to float128
Date: Fri, 11 May 2018 17:52:37 -0700 [thread overview]
Message-ID: <22c3cda5-253b-0bd2-7c46-8f37a6cce748@linaro.org> (raw)
In-Reply-To: <20180511071052.1443-1-ptesarik@suse.com>
On 05/11/2018 12:10 AM, Petr Tesarik wrote:
> The significand is passed to normalizeRoundAndPackFloat128() as high
> first, low second. The current code passes the integer first, so the
> result is incorrectly shifted left by 64 bits.
>
> This bug affects the emulation of s390x instruction CXLGBR (convert
> from logical 64-bit binary-integer operand to extended BFP result).
>
> Cc: qemu-stable@nongnu.org
> Signed-off-by: Petr Tesarik <ptesarik@suse.com>
> ---
> fpu/softfloat.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Queued, thanks.
r~
prev parent reply other threads:[~2018-05-12 0:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-11 7:10 [Qemu-devel] [PATCH 1/1] Fix conversion from uint64 to float128 Petr Tesarik
2018-05-11 7:38 ` Petr Tesarik
2018-05-11 12:37 ` Peter Maydell
2018-05-12 0:52 ` Richard Henderson [this message]
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