52 lines · c
1// RUN: %clang_builtins %s %librt -o %t && %run %t2// REQUIRES: librt_has_floatunsitf3 4#include "int_lib.h"5#include <stdio.h>6 7// The testcase currently assumes IEEE TF format, once that has been8// fixed the defined(CRT_HAS_IEEE_TF) guard can be removed to enable it for9// IBM 128 floats as well.10#if defined(CRT_HAS_IEEE_TF)11 12# include "fp_test.h"13 14COMPILER_RT_ABI tf_float __floatunsitf(su_int a);15 16int test__floatunsitf(su_int a, uint64_t expectedHi, uint64_t expectedLo) {17 tf_float x = __floatunsitf(a);18 int ret = compareResultF128(x, expectedHi, expectedLo);19 20 if (ret) {21 printf("error in test__floatunsitf(%u) = %.20Lf, "22 "expected %.20Lf\n",23 a, x, fromRep128(expectedHi, expectedLo));24 }25 return ret;26}27 28char assumption_1[sizeof(tf_float) * CHAR_BIT == 128] = {0};29 30#endif31 32int main() {33#if defined(CRT_HAS_IEEE_TF)34 if (test__floatunsitf(0x7fffffff, UINT64_C(0x401dfffffffc0000),35 UINT64_C(0x0)))36 return 1;37 if (test__floatunsitf(0, UINT64_C(0x0), UINT64_C(0x0)))38 return 1;39 if (test__floatunsitf(0xffffffff, UINT64_C(0x401efffffffe0000),40 UINT64_C(0x0)))41 return 1;42 if (test__floatunsitf(0x12345678, UINT64_C(0x401b234567800000),43 UINT64_C(0x0)))44 return 1;45 46#else47 printf("skipped\n");48 49#endif50 return 0;51}52