diff options
| author | LIU Zhiwei <zhiwei_liu@c-sky.com> | 2020-07-13 21:04:08 +0100 |
|---|---|---|
| committer | Alex Bennée <alex.bennee@linaro.org> | 2020-07-15 11:52:43 +0100 |
| commit | 8cdf91243f7515f424b78d5469d64c34ee534783 (patch) | |
| tree | 620e0ae5dad05c197965222b116ef197761dd689 /fpu/softfloat-specialize.inc.c | |
| parent | 6f60a240f60122fe2df402402311bf425f34e553 (diff) | |
| download | qemu-8cdf91243f7515f424b78d5469d64c34ee534783.zip qemu-8cdf91243f7515f424b78d5469d64c34ee534783.tar.gz qemu-8cdf91243f7515f424b78d5469d64c34ee534783.tar.bz2 | |
fpu/softfloat: fix up float16 nan recognition
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>
Message-Id: <20200713200415.26214-5-alex.bennee@linaro.org>
Diffstat (limited to 'fpu/softfloat-specialize.inc.c')
| -rw-r--r-- | fpu/softfloat-specialize.inc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fpu/softfloat-specialize.inc.c b/fpu/softfloat-specialize.inc.c index 44f5b66..034d181 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); } |