177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao//===-- fixunssfti_test.c - Test __fixunssfti -----------------------------===// 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 __fixunssfti for the compiler_rt library. 1177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// 1277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao//===----------------------------------------------------------------------===// 1377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 1477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#if __x86_64 1577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 1677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#include "int_lib.h" 1777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#include <stdio.h> 1877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 1977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// Returns: convert a to a unsigned long long, rounding toward zero. 2077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// Negative values all become zero. 2177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 2277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// Assumption: float is a IEEE 32 bit floating point type 2377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// tu_int is a 64 bit integral type 2477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// value in float is representable in tu_int or is negative 2577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// (no range checking performed) 2677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 2777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao// seee eeee emmm mmmm mmmm mmmm mmmm mmmm 2877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 2977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liaotu_int __fixunssfti(float a); 3077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 3177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liaoint test__fixunssfti(float a, tu_int expected) 3277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao{ 3377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao tu_int x = __fixunssfti(a); 3477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (x != expected) 3577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao { 3677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao utwords xt; 3777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao xt.all = x; 3877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao utwords expectedt; 3977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao expectedt.all = expected; 4077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao printf("error in __fixunssfti(%A) = 0x%.16llX%.16llX, expected 0x%.16llX%.16llX\n", 4177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao a, xt.s.high, xt.s.low, expectedt.s.high, expectedt.s.low); 4277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao } 4377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return x != expected; 4477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao} 4577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 4677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liaochar assumption_1[sizeof(tu_int) == 2*sizeof(di_int)] = {0}; 4777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liaochar assumption_2[sizeof(su_int)*CHAR_BIT == 32] = {0}; 4877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liaochar assumption_3[sizeof(float)*CHAR_BIT == 32] = {0}; 4977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 5077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#endif 5177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 5277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liaoint main() 5377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao{ 5477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#if __x86_64 5577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(0.0F, 0)) 5677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 5777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 5877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(0.5F, 0)) 5977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 6077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(0.99F, 0)) 6177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 6277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(1.0F, 1)) 6377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 6477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(1.5F, 1)) 6577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 6677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(1.99F, 1)) 6777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 6877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(2.0F, 2)) 6977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 7077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(2.01F, 2)) 7177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 7277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(-0.5F, 0)) 7377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 7477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(-0.99F, 0)) 7577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 7677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#if !TARGET_LIBGCC 7777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(-1.0F, 0)) // libgcc ignores "returns 0 for negative input" spec 7877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 7977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(-1.5F, 0)) 8077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 8177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(-1.99F, 0)) 8277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 8377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(-2.0F, 0)) 8477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 8577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(-2.01F, 0)) 8677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 8777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#endif 8877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 8977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(0x1.FFFFFEp+63F, 0xFFFFFF0000000000LL)) 9077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 9177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(0x1.000000p+63F, 0x8000000000000000LL)) 9277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 9377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(0x1.FFFFFEp+62F, 0x7FFFFF8000000000LL)) 9477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 9577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(0x1.FFFFFCp+62F, 0x7FFFFF0000000000LL)) 9677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 9777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 9877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(0x1.FFFFFEp+127F, make_ti(0xFFFFFF0000000000LL, 0))) 9977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 10077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(0x1.000000p+127F, make_ti(0x8000000000000000LL, 0))) 10177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 10277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(0x1.FFFFFEp+126F, make_ti(0x7FFFFF8000000000LL, 0))) 10377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 10477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(0x1.FFFFFCp+126F, make_ti(0x7FFFFF0000000000LL, 0))) 10577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 10677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 10777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#if !TARGET_LIBGCC 10877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(-0x1.FFFFFEp+62F, 0x0000000000000000LL)) 10977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 11077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(-0x1.FFFFFCp+62F, 0x0000000000000000LL)) 11177ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 11277ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(-0x1.FFFFFEp+126F, 0x0000000000000000LL)) 11377ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 11477ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao if (test__fixunssfti(-0x1.FFFFFCp+126F, 0x0000000000000000LL)) 11577ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 1; 11677ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#endif 11777ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao 11877ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao#endif 11977ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao return 0; 12077ed6142daed1e068fbda64405d0de9845e40e1Shih-wei Liao} 121