diff options
Diffstat (limited to 'test/Unit/popcountti2_test.c')
-rw-r--r-- | test/Unit/popcountti2_test.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/test/Unit/popcountti2_test.c b/test/Unit/popcountti2_test.c deleted file mode 100644 index 1b94a0c6aa510..0000000000000 --- a/test/Unit/popcountti2_test.c +++ /dev/null @@ -1,82 +0,0 @@ -//===-- popcountti2_test.c - Test __popcountti2 ----------------------------===// -// -// 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 __popcountti2 for the compiler_rt library. -// -//===----------------------------------------------------------------------===// - -#if __x86_64 - -#include "int_lib.h" -#include <stdio.h> -#include <stdlib.h> - -// Returns: count of 1 bits - -si_int __popcountti2(ti_int a); - -int naive_popcount(ti_int a) -{ - int r = 0; - for (; a; a = (tu_int)a >> 1) - r += a & 1; - return r; -} - -int test__popcountti2(ti_int a) -{ - si_int x = __popcountti2(a); - si_int expected = naive_popcount(a); - if (x != expected) - { - twords at; - at.all = a; - printf("error in __popcountti2(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 - if (test__popcountti2(0)) - return 1; - if (test__popcountti2(1)) - return 1; - if (test__popcountti2(2)) - return 1; - if (test__popcountti2(0xFFFFFFFFFFFFFFFDLL)) - return 1; - if (test__popcountti2(0xFFFFFFFFFFFFFFFELL)) - return 1; - if (test__popcountti2(0xFFFFFFFFFFFFFFFFLL)) - return 1; - if (test__popcountti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFDLL))) - return 1; - if (test__popcountti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFELL))) - return 1; - if (test__popcountti2(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL))) - return 1; - int i; - for (i = 0; i < 10000; ++i) - if (test__popcountti2(((ti_int)rand() << 96) | ((ti_int)rand() << 64) | - ((ti_int)rand() << 32) | rand())) - return 1; - -#else - printf("skipped\n"); -#endif - return 0; -} |