From: "Alex Bennée" <alex.bennee@linaro.org>
To: qemu-devel@nongnu.org
Cc: fam@euphon.net, "Peter Maydell" <peter.maydell@linaro.org>,
berrange@redhat.com, robert.foley@linaro.org,
"Alex Bennée" <alex.bennee@linaro.org>,
richard.henderson@linaro.org, f4bug@amsat.org,
robhenry@microsoft.com, aaron@os.amperecomputing.com,
cota@braap.org, kuhn.chenqun@huawei.com, peter.puhov@linaro.org,
"LIU Zhiwei" <zhiwei_liu@c-sky.com>,
aurelien@aurel32.net
Subject: [PATCH v2 04/11] fpu/softfloat: fix up float16 nan recognition
Date: Mon, 13 Jul 2020 21:04:08 +0100 [thread overview]
Message-ID: <20200713200415.26214-5-alex.bennee@linaro.org> (raw)
In-Reply-To: <20200713200415.26214-1-alex.bennee@linaro.org>
From: LIU Zhiwei <zhiwei_liu@c-sky.com>
Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200712234521.3972-2-zhiwei_liu@c-sky.com>
---
fpu/softfloat-specialize.inc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fpu/softfloat-specialize.inc.c b/fpu/softfloat-specialize.inc.c
index 44f5b661f8..034d18199c 100644
--- a/fpu/softfloat-specialize.inc.c
+++ b/fpu/softfloat-specialize.inc.c
@@ -254,7 +254,7 @@ bool float16_is_quiet_nan(float16 a_, float_status *status)
if (snan_bit_is_one(status)) {
return (((a >> 9) & 0x3F) == 0x3E) && (a & 0x1FF);
} else {
- return ((a & ~0x8000) >= 0x7C80);
+ return ((a >> 9) & 0x3F) == 0x3F;
}
#endif
}
@@ -271,7 +271,7 @@ bool float16_is_signaling_nan(float16 a_, float_status *status)
#else
uint16_t a = float16_val(a_);
if (snan_bit_is_one(status)) {
- return ((a & ~0x8000) >= 0x7C80);
+ return ((a >> 9) & 0x3F) == 0x3F;
} else {
return (((a >> 9) & 0x3F) == 0x3E) && (a & 0x1FF);
}
--
2.20.1
next prev parent reply other threads:[~2020-07-13 20:05 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-13 20:04 [PATCH v2 00/11] misc fixes for rc0 (docker, plugins, softfloat) Alex Bennée
2020-07-13 20:04 ` [PATCH v2 01/11] configure: remove all dependencies on a (re)configure Alex Bennée
2020-07-13 20:15 ` Philippe Mathieu-Daudé
2020-07-13 20:04 ` [PATCH v2 02/11] tests/docker: Remove the libssh workaround from the ubuntu 20.04 image Alex Bennée
2020-07-13 20:04 ` [PATCH v2 03/11] docker.py: fix fetching of FROM layers Alex Bennée
2020-07-13 20:04 ` Alex Bennée [this message]
2020-07-13 20:04 ` [PATCH v2 05/11] tests/plugins: don't unconditionally add -Wpsabi Alex Bennée
2020-07-14 5:31 ` Thomas Huth
2020-07-13 20:04 ` [PATCH v2 06/11] cputlb: ensure we save the IOTLB data in case of reset Alex Bennée
2020-07-13 21:58 ` Richard Henderson
2020-07-18 20:51 ` Emilio G. Cota
2020-07-13 20:04 ` [PATCH v2 07/11] plugins: expand the bb plugin to be thread safe and track per-cpu Alex Bennée
2020-07-13 20:04 ` [PATCH v2 08/11] docs/devel: fix grammar in multi-thread-tcg Alex Bennée
2020-07-13 22:01 ` Richard Henderson
2020-07-14 5:41 ` Thomas Huth
2020-07-14 10:20 ` Philippe Mathieu-Daudé
2020-07-13 20:04 ` [PATCH v2 09/11] hw/virtio/pci: include vdev name in registered PCI sections Alex Bennée
2020-07-14 9:07 ` Michael S. Tsirkin
2020-07-14 9:49 ` Philippe Mathieu-Daudé
2020-07-13 20:04 ` [PATCH v2 10/11] plugins: add API to return a name for a IO device Alex Bennée
2020-07-13 22:04 ` Richard Henderson
2020-07-13 20:04 ` [PATCH v2 11/11] plugins: new hwprofile plugin Alex Bennée
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