From: "Alex Bennée" <alex.bennee@linaro.org>
To: Joseph Myers <joseph@codesourcery.com>
Cc: qemu-devel@nongnu.org, pbonzini@redhat.com, ehabkost@redhat.com,
rth@twiddle.net
Subject: Re: [PATCH 1/5] target/i386: implement special cases for fxtract
Date: Fri, 15 May 2020 09:59:09 +0100 [thread overview]
Message-ID: <87sgg1d15u.fsf@linaro.org> (raw)
In-Reply-To: <alpine.DEB.2.21.2005070042360.18350@digraph.polyomino.org.uk>
Joseph Myers <joseph@codesourcery.com> writes:
> The implementation of the fxtract instruction treats all nonzero
> operands as normal numbers, so yielding incorrect results for invalid
> formats, infinities, NaNs and subnormal and pseudo-denormal operands.
> Implement appropriate handling of all those cases.
>
> Signed-off-by: Joseph Myers <joseph@codesourcery.com>
> ---
> target/i386/fpu_helper.c | 25 +++++-
> tests/tcg/i386/test-i386-fxtract.c | 120 +++++++++++++++++++++++++++++
> 2 files changed, 144 insertions(+), 1 deletion(-)
> create mode 100644 tests/tcg/i386/test-i386-fxtract.c
>
For test tests:
Acked-by: Alex Bennée <alex.bennee@linaro.org>
--
Alex Bennée
next prev parent reply other threads:[~2020-05-15 9:00 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-07 0:42 [PATCH 0/5] target/i386: fxtract, fscale fixes Joseph Myers
2020-05-07 0:43 ` [PATCH 1/5] target/i386: implement special cases for fxtract Joseph Myers
2020-05-15 8:59 ` Alex Bennée [this message]
2020-06-23 21:42 ` Eduardo Habkost
2020-06-23 22:00 ` Joseph Myers
2020-06-25 9:43 ` Peter Maydell
2020-05-07 0:44 ` [PATCH 2/5] target/i386: fix fscale handling of signaling NaN Joseph Myers
2020-05-07 0:44 ` [PATCH 3/5] target/i386: fix fscale handling of invalid exponent encodings Joseph Myers
2020-05-07 0:45 ` [PATCH 4/5] target/i386: fix fscale handling of infinite exponents Joseph Myers
2020-05-07 0:46 ` [PATCH 5/5] target/i386: fix fscale handling of rounding precision Joseph Myers
2020-05-07 2:13 ` [PATCH 0/5] target/i386: fxtract, fscale fixes no-reply
2020-05-07 14:57 ` Joseph Myers
2020-05-08 3:42 ` Richard Henderson
2020-05-14 18:25 ` Ping " Joseph Myers
2020-05-14 23:02 ` Paolo Bonzini
2020-05-15 7:03 ` Philippe Mathieu-Daudé
2020-05-21 15:36 ` Paolo Bonzini
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