58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
// REQUIRES: arm-target-arch || armv6m-target-arch
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// RUN: %clang_builtins %s %librt -o %t && %run %t
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#include "int_lib.h"
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#include <stdio.h>
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#if __arm__
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// Based on udivmodsi4_test.c
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extern du_int __aeabi_uidivmod(su_int a, su_int b);
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int test__aeabi_uidivmod(su_int a, su_int b,
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su_int expected_result, su_int expected_rem)
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{
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du_int ret = __aeabi_uidivmod(a, b);
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su_int rem = ret >> 32;
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si_int result = ret & 0xFFFFFFFF;
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if (result != expected_result) {
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printf("error in __aeabi_uidivmod: %u / %u = %u, expected %u\n",
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a, b, result, expected_result);
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return 1;
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}
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if (rem != expected_rem) {
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printf("error in __aeabi_uidivmod: %u mod %u = %u, expected %u\n",
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a, b, rem, expected_rem);
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return 1;
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}
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return 0;
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}
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#endif
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int main()
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{
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#if __arm__
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if (test__aeabi_uidivmod(0, 1, 0, 0))
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return 1;
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if (test__aeabi_uidivmod(2, 1, 2, 0))
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return 1;
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if (test__aeabi_uidivmod(19, 5, 3, 4))
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return 1;
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if (test__aeabi_uidivmod(0x80000000, 8, 0x10000000, 0))
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return 1;
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if (test__aeabi_uidivmod(0x80000003, 8, 0x10000000, 3))
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return 1;
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#else
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printf("skipped\n");
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#endif
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return 0;
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}
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