Commit 8cdf9124 authored by LIU Zhiwei's avatar LIU Zhiwei Committed by Alex Bennée
Browse files

fpu/softfloat: fix up float16 nan recognition 



Signed-off-by: default avatarLIU Zhiwei <zhiwei_liu@c-sky.com>
Signed-off-by: default avatarAlex Bennée <alex.bennee@linaro.org>
Reviewed-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Message-Id: <20200712234521.3972-2-zhiwei_liu@c-sky.com>
Message-Id: <20200713200415.26214-5-alex.bennee@linaro.org>
parent 6f60a240

fpu/softfloat-specialize.inc.c

+2 −2
Original line number Diff line number Diff line
@@ -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);

    }