| // REQUIRES: arm-target-arch || armv6m-target-arch |
| // RUN: %clang_builtins %s %librt -o %t && %run %t |
| |
| #include <stdint.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <math.h> |
| |
| #if __arm__ |
| #include "call_apsr.h" |
| |
| extern __attribute__((pcs("aapcs"))) void __aeabi_cdcmpeq(double a, double b); |
| |
| int test__aeabi_cdcmpeq(double a, double b, int expected) |
| { |
| uint32_t cpsr_value = call_apsr_d(a, b, __aeabi_cdcmpeq); |
| union cpsr cpsr = { .value = cpsr_value }; |
| if (expected != cpsr.flags.z) { |
| printf("error in __aeabi_cdcmpeq(%f, %f) => Z = %d, expected %d\n", |
| a, b, cpsr.flags.z, expected); |
| return 1; |
| } |
| return 0; |
| } |
| #endif |
| |
| int main() |
| { |
| #if __arm__ |
| if (test__aeabi_cdcmpeq(1.0, 1.0, 1)) |
| return 1; |
| if (test__aeabi_cdcmpeq(1234.567, 765.4321, 0)) |
| return 1; |
| if (test__aeabi_cdcmpeq(-123.0, -678.0, 0)) |
| return 1; |
| if (test__aeabi_cdcmpeq(0.0, -0.0, 1)) |
| return 1; |
| if (test__aeabi_cdcmpeq(1.0, NAN, 0)) |
| return 1; |
| if (test__aeabi_cdcmpeq(NAN, 1.0, 0)) |
| return 1; |
| if (test__aeabi_cdcmpeq(NAN, NAN, 0)) |
| return 1; |
| if (test__aeabi_cdcmpeq(INFINITY, 1.0, 0)) |
| return 1; |
| if (test__aeabi_cdcmpeq(0.0, INFINITY, 0)) |
| return 1; |
| if (test__aeabi_cdcmpeq(-INFINITY, 0.0, 0)) |
| return 1; |
| if (test__aeabi_cdcmpeq(0.0, -INFINITY, 0)) |
| return 1; |
| if (test__aeabi_cdcmpeq(INFINITY, INFINITY, 1)) |
| return 1; |
| if (test__aeabi_cdcmpeq(-INFINITY, -INFINITY, 1)) |
| return 1; |
| #else |
| printf("skipped\n"); |
| #endif |
| return 0; |
| } |