src/compiler-rt/test/builtins/Unit/arm/aeabi_cdcmpeq_test.c

   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 }