diff options
Diffstat (limited to 'lib/libc/arm/aeabi/aeabi_float.c')
-rw-r--r-- | lib/libc/arm/aeabi/aeabi_float.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/lib/libc/arm/aeabi/aeabi_float.c b/lib/libc/arm/aeabi/aeabi_float.c index be7a6d6..2e93594 100644 --- a/lib/libc/arm/aeabi/aeabi_float.c +++ b/lib/libc/arm/aeabi/aeabi_float.c @@ -74,3 +74,28 @@ float32 AEABI_FUNC2(fdiv, float32, float32_div) float32 AEABI_FUNC2(fmul, float32, float32_mul) float32 AEABI_FUNC2(fsub, float32, float32_sub) +int +__aeabi_cfcmpeq_helper(float32 a, float32 b) +{ + int quiet = 0; + + /* Check if a is a NaN */ + if ((a << 1) > 0xff000000u) { + /* If it's a signalling NaN we will always signal */ + if ((a & 0x00400000u) == 0) + return (0); + + quiet = 1; + } + + /* Check if b is a NaN */ + if ((b << 1) > 0xff000000u) { + /* If it's a signalling NaN we will always signal */ + if ((b & 0x00400000u) == 0) + return (0); + + quiet = 1; + } + + return (quiet); +} |