| 1 | // REQUIRES: arm-target-arch || armv6m-target-arch |
| 2 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
| 3 | |
| 4 | #include <stdint.h> |
| 5 | #include <stdio.h> |
| 6 | #include <stdlib.h> |
| 7 | #include <math.h> |
| 8 | |
| 9 | #if __arm__ |
| 10 | #include "call_apsr.h" |
| 11 | |
| 12 | extern __attribute__((pcs("aapcs" ))) void __aeabi_cfcmpeq(float a, float b); |
| 13 | |
| 14 | int test__aeabi_cfcmpeq(float a, float b, int expected) |
| 15 | { |
| 16 | uint32_t cpsr_value = call_apsr_f(a, b, __aeabi_cfcmpeq); |
| 17 | union cpsr cpsr = { .value = cpsr_value }; |
| 18 | if (expected != cpsr.flags.z) { |
| 19 | printf("error in __aeabi_cfcmpeq(%f, %f) => Z = %d, expected %d\n" , |
| 20 | a, b, cpsr.flags.z, expected); |
| 21 | return 1; |
| 22 | } |
| 23 | return 0; |
| 24 | } |
| 25 | #endif |
| 26 | |
| 27 | int main() |
| 28 | { |
| 29 | #if __arm__ |
| 30 | if (test__aeabi_cfcmpeq(1.0, 1.0, 1)) |
| 31 | return 1; |
| 32 | if (test__aeabi_cfcmpeq(1234.567, 765.4321, 0)) |
| 33 | return 1; |
| 34 | if (test__aeabi_cfcmpeq(-123.0, -678.0, 0)) |
| 35 | return 1; |
| 36 | if (test__aeabi_cfcmpeq(0.0, -0.0, 1)) |
| 37 | return 1; |
| 38 | if (test__aeabi_cfcmpeq(1.0, NAN, 0)) |
| 39 | return 1; |
| 40 | if (test__aeabi_cfcmpeq(NAN, 1.0, 0)) |
| 41 | return 1; |
| 42 | if (test__aeabi_cfcmpeq(NAN, NAN, 0)) |
| 43 | return 1; |
| 44 | if (test__aeabi_cfcmpeq(INFINITY, 1.0, 0)) |
| 45 | return 1; |
| 46 | if (test__aeabi_cfcmpeq(0.0, INFINITY, 0)) |
| 47 | return 1; |
| 48 | if (test__aeabi_cfcmpeq(-INFINITY, 0.0, 0)) |
| 49 | return 1; |
| 50 | if (test__aeabi_cfcmpeq(0.0, -INFINITY, 0)) |
| 51 | return 1; |
| 52 | if (test__aeabi_cfcmpeq(INFINITY, INFINITY, 1)) |
| 53 | return 1; |
| 54 | if (test__aeabi_cfcmpeq(-INFINITY, -INFINITY, 1)) |
| 55 | return 1; |
| 56 | #else |
| 57 | printf(format: "skipped\n" ); |
| 58 | #endif |
| 59 | return 0; |
| 60 | } |
| 61 | |