diff options
Diffstat (limited to 'test/Unit/parityti2_test.c')
-rw-r--r-- | test/Unit/parityti2_test.c | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/test/Unit/parityti2_test.c b/test/Unit/parityti2_test.c deleted file mode 100644 index ac67b35669a72..0000000000000 --- a/test/Unit/parityti2_test.c +++ /dev/null @@ -1,64 +0,0 @@ -//===-- parityti2_test.c - Test __parityti2 -------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file tests __parityti2 for the compiler_rt library. -// -//===----------------------------------------------------------------------===// - -#if __x86_64 - -#include "int_lib.h" -#include <stdio.h> -#include <stdlib.h> - -// Returns: 1 if number of bits is odd else returns 0 - -si_int __parityti2(ti_int a); - -int naive_parity(ti_int a) -{ - int r = 0; - for (; a; a = a & (a - 1)) - r = ~r; - return r & 1; -} - -int test__parityti2(ti_int a) -{ - si_int x = __parityti2(a); - si_int expected = naive_parity(a); - if (x != expected) - { - twords at; - at.all = a; - printf("error in __parityti2(0x%.16llX%.16llX) = %d, expected %d\n", - at.s.high, at.s.low, x, expected); - } - return x != expected; -} - -char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0}; -char assumption_2[sizeof(di_int)*CHAR_BIT == 64] = {0}; - -#endif - -int main() -{ -#if __x86_64 - int i; - for (i = 0; i < 10000; ++i) - if (test__parityti2(((ti_int)rand() << 96) + ((ti_int)rand() << 64) + - ((ti_int)rand() << 32) + rand())) - return 1; - -#else - printf("skipped\n"); -#endif - return 0; -} |