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

   1 // REQUIRES: arm-target-arch || armv6m-target-arch
   2 // RUN: %arm_call_apsr -o %t.aspr.o
   3 // RUN: %clang_builtins %s %t.aspr.o %librt -o %t && %run %t
   4 //===-- aeabi_cdcmpeq.c - Test __aeabi_cdcmpeq ----------------------------===//
   5 //
   6 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   7 // See https://llvm.org/LICENSE.txt for license information.
   8 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   9 //
  10 //===----------------------------------------------------------------------===//
  11 //
  12 // This file tests __aeabi_cdcmpeq for the compiler_rt library.
  13 //
  14 //===----------------------------------------------------------------------===//
  15
  16 #include <stdint.h>
  17 #include <stdio.h>
  18 #include <stdlib.h>
  19 #include <math.h>
  20
  21 #if __arm__
  22 #include "call_apsr.h"
  23
  24 extern __attribute__((pcs("aapcs"))) void __aeabi_cdcmpeq(double a, double b);
  25
  26 int test__aeabi_cdcmpeq(double a, double b, int expected)
  27 {
  28     uint32_t cpsr_value = call_apsr_d(a, b, __aeabi_cdcmpeq);
  29     union cpsr cpsr = { .value = cpsr_value };
  30     if (expected != cpsr.flags.z) {
  31         printf("error in __aeabi_cdcmpeq(%f, %f) => Z = %d, expected %d\n",
  32                a, b, cpsr.flags.z, expected);
  33         return 1;
  34     }
  35     return 0;
  36 }
  37 #endif
  38
  39 int main()
  40 {
  41 #if __arm__
  42     if (test__aeabi_cdcmpeq(1.0, 1.0, 1))
  43         return 1;
  44     if (test__aeabi_cdcmpeq(1234.567, 765.4321, 0))
  45         return 1;
  46     if (test__aeabi_cdcmpeq(-123.0, -678.0, 0))
  47         return 1;
  48     if (test__aeabi_cdcmpeq(0.0, -0.0, 1))
  49         return 1;
  50     if (test__aeabi_cdcmpeq(1.0, NAN, 0))
  51         return 1;
  52     if (test__aeabi_cdcmpeq(NAN, 1.0, 0))
  53         return 1;
  54     if (test__aeabi_cdcmpeq(NAN, NAN, 0))
  55         return 1;
  56     if (test__aeabi_cdcmpeq(INFINITY, 1.0, 0))
  57         return 1;
  58     if (test__aeabi_cdcmpeq(0.0, INFINITY, 0))
  59         return 1;
  60     if (test__aeabi_cdcmpeq(-INFINITY, 0.0, 0))
  61         return 1;
  62     if (test__aeabi_cdcmpeq(0.0, -INFINITY, 0))
  63         return 1;
  64     if (test__aeabi_cdcmpeq(INFINITY, INFINITY, 1))
  65         return 1;
  66     if (test__aeabi_cdcmpeq(-INFINITY, -INFINITY, 1))
  67         return 1;
  68 #else
  69     printf("skipped\n");
  70 #endif
  71     return 0;
  72 }