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      1 //===-- aeabi_cdcmpeq.c - Test __aeabi_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 // This file tests __aeabi_cdcmpeq for the compiler_rt library.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #include <stdint.h>
     15 #include <stdio.h>
     16 #include <stdlib.h>
     17 #include <math.h>
     18 
     19 #if __arm__
     20 #include "call_apsr.h"
     21 
     22 extern __attribute__((pcs("aapcs"))) void __aeabi_cdcmpeq(double a, double b);
     23 
     24 int test__aeabi_cdcmpeq(double a, double b, int expected)
     25 {
     26     uint32_t cpsr_value = call_apsr_d(a, b, __aeabi_cdcmpeq);
     27     union cpsr cpsr = { .value = cpsr_value };
     28     if (expected != cpsr.flags.z) {
     29         printf("error in __aeabi_cdcmpeq(%f, %f) => Z = %d, expected %d\n",
     30                a, b, cpsr.flags.z, expected);
     31         return 1;
     32     }
     33     return 0;
     34 }
     35 #endif
     36 
     37 int main()
     38 {
     39 #if __arm__
     40     if (test__aeabi_cdcmpeq(1.0, 1.0, 1))
     41         return 1;
     42     if (test__aeabi_cdcmpeq(1234.567, 765.4321, 0))
     43         return 1;
     44     if (test__aeabi_cdcmpeq(-123.0, -678.0, 0))
     45         return 1;
     46     if (test__aeabi_cdcmpeq(0.0, -0.0, 1))
     47         return 1;
     48     if (test__aeabi_cdcmpeq(1.0, NAN, 0))
     49         return 1;
     50     if (test__aeabi_cdcmpeq(NAN, 1.0, 0))
     51         return 1;
     52     if (test__aeabi_cdcmpeq(NAN, NAN, 0))
     53         return 1;
     54     if (test__aeabi_cdcmpeq(INFINITY, 1.0, 0))
     55         return 1;
     56     if (test__aeabi_cdcmpeq(0.0, INFINITY, 0))
     57         return 1;
     58     if (test__aeabi_cdcmpeq(-INFINITY, 0.0, 0))
     59         return 1;
     60     if (test__aeabi_cdcmpeq(0.0, -INFINITY, 0))
     61         return 1;
     62     if (test__aeabi_cdcmpeq(INFINITY, INFINITY, 1))
     63         return 1;
     64     if (test__aeabi_cdcmpeq(-INFINITY, -INFINITY, 1))
     65         return 1;
     66 #else
     67     printf("skipped\n");
     68 #endif
     69     return 0;
     70 }
     71