Symbol: __aeabi_fcmpun
lib/libc/arch/arm/softfloat/__aeabi_fcmpun.c
16
int __aeabi_fcmpun(float32, float32);
sys/arch/arm/include/aeabi.h
87
int __aeabi_fcmpun(float, float) __aapcs; // result (1, 0) denotes (?, <=>) [2], use for C99 isunordered()