src/compiler-rt/lib/builtins/arm/aeabi_cfcmpeq_check_nan.c

   1 //===-- lib/arm/aeabi_cfcmpeq_helper.c - Helper for cdcmpeq ---------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is dual licensed under the MIT and the University of Illinois Open
   6 // Source Licenses. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #include <stdint.h>
  11
  12 __attribute__((pcs("aapcs")))
  13 __attribute__((visibility("hidden")))
  14 int __aeabi_cfcmpeq_check_nan(float a, float b) {
  15     return __builtin_isnan(a) || __builtin_isnan(b);
  16 }