177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao//===-- fixunsdfdi_test.c - Test __fixunsdfdi -----------------------------===// 277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// The LLVM Compiler Infrastructure 477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// This file is distributed under the University of Illinois Open Source 677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// License. See LICENSE.TXT for details. 777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao//===----------------------------------------------------------------------===// 977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 1077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// This file tests __fixunsdfdi for the compiler_rt library. 1177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 1277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao//===----------------------------------------------------------------------===// 1377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 1477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#include "int_lib.h" 1577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#include <stdio.h> 1677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 1777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// Returns: convert a to a unsigned long long, rounding toward zero. 1877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// Negative values all become zero. 1977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 2077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// Assumption: double is a IEEE 64 bit floating point type 2177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// du_int is a 64 bit integral type 2277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// value in double is representable in du_int or is negative 2377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// (no range checking performed) 2477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 2577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// seee eeee eeee mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm 2677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 2777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liaodu_int __fixunsdfdi(double a); 2877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 2977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liaoint test__fixunsdfdi(double a, du_int expected) 3077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao{ 3177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao du_int x = __fixunsdfdi(a); 3277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (x != expected) 3377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao printf("error in __fixunsdfdi(%A) = %llX, expected %llX\n", a, x, expected); 3477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return x != expected; 3577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao} 3677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 3777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liaochar assumption_1[sizeof(du_int) == 2*sizeof(su_int)] = {0}; 3877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liaochar assumption_2[sizeof(su_int)*CHAR_BIT == 32] = {0}; 3977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liaochar assumption_3[sizeof(double)*CHAR_BIT == 64] = {0}; 4077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 4177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liaoint main() 4277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao{ 4377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(0.0, 0)) 4477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 4577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 4677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(0.5, 0)) 4777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 4877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(0.99, 0)) 4977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 5077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(1.0, 1)) 5177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 5277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(1.5, 1)) 5377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 5477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(1.99, 1)) 5577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 5677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(2.0, 2)) 5777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 5877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(2.01, 2)) 5977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 6077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(-0.5, 0)) 6177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 6277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(-0.99, 0)) 6377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 6477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#if !TARGET_LIBGCC 6577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(-1.0, 0)) // libgcc ignores "returns 0 for negative input" spec 6677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 6777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(-1.5, 0)) 6877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 6977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(-1.99, 0)) 7077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 7177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(-2.0, 0)) 7277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 7377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(-2.01, 0)) 7477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 7577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#endif 7677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 7777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(0x1.FFFFFEp+62, 0x7FFFFF8000000000LL)) 7877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 7977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(0x1.FFFFFCp+62, 0x7FFFFF0000000000LL)) 8077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 8177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 8277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#if !TARGET_LIBGCC 8377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(-0x1.FFFFFEp+62, 0)) 8477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 8577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(-0x1.FFFFFCp+62, 0)) 8677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 8777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#endif 8877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 8977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(0x1.FFFFFFFFFFFFFp+63, 0xFFFFFFFFFFFFF800LL)) 9077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 9177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(0x1.0000000000000p+63, 0x8000000000000000LL)) 9277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 9377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(0x1.FFFFFFFFFFFFFp+62, 0x7FFFFFFFFFFFFC00LL)) 9477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 9577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(0x1.FFFFFFFFFFFFEp+62, 0x7FFFFFFFFFFFF800LL)) 9677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 9777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 9877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#if !TARGET_LIBGCC 9977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(-0x1.FFFFFFFFFFFFFp+62, 0)) 10077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 10177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunsdfdi(-0x1.FFFFFFFFFFFFEp+62, 0)) 10277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 10377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#endif 10477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 10577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 0; 10677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao} 107