projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| 2c00a5a8 | 1 | // RUN: %clang_builtins %s %librt -o %t && %run %t |
| 92a42be0 SL |
2 | //===-- fixunstfti_test.c - Test __fixunstfti -----------------------------===// |
| 3 | // | |
| 4 | // The LLVM Compiler Infrastructure | |
| 5 | // | |
| 6 | // This file is dual licensed under the MIT and the University of Illinois Open | |
| 7 | // Source Licenses. See LICENSE.TXT for details. | |
| 8 | // | |
| 9 | //===----------------------------------------------------------------------===// | |
| 10 | // | |
| 11 | // This file tests __fixunstfti for the compiler_rt library. | |
| 12 | // | |
| 13 | //===----------------------------------------------------------------------===// | |
| 14 | ||
| 15 | #include <stdio.h> | |
| 16 | ||
| 2c00a5a8 XL |
17 | // UNSUPPORTED: mips |
| 18 | ||
| 92a42be0 SL |
19 | #if __LDBL_MANT_DIG__ == 113 |
| 20 | ||
| 21 | #include "fp_test.h" | |
| 22 | #include "int_lib.h" | |
| 23 | ||
| 24 | // Returns: convert a to a unsigned long long, rounding toward zero. | |
| 25 | // Negative values all become zero. | |
| 26 | ||
| 27 | // Assumption: long double is a 128 bit floating point type | |
| 28 | // tu_int is a 128 bit integral type | |
| 29 | // value in long double is representable in tu_int or is negative | |
| 30 | // (no range checking performed) | |
| 31 | ||
| 32 | COMPILER_RT_ABI tu_int __fixunstfti(long double a); | |
| 33 | ||
| 34 | int test__fixunstfti(long double a, tu_int expected) | |
| 35 | { | |
| 36 | tu_int x = __fixunstfti(a); | |
| 37 | if (x != expected) | |
| 38 | { | |
| 39 | twords xt; | |
| 40 | xt.all = x; | |
| 41 | ||
| 42 | twords expectedt; | |
| 43 | expectedt.all = expected; | |
| 44 | ||
| 45 | printf("error in __fixunstfti(%.20Lf) = 0x%.16llX%.16llX, " | |
| 46 | "expected 0x%.16llX%.16llX\n", | |
| 47 | a, xt.s.high, xt.s.low, expectedt.s.high, expectedt.s.low); | |
| 48 | } | |
| 49 | return x != expected; | |
| 50 | } | |
| 51 | ||
| 52 | char assumption_1[sizeof(tu_int) == 4*sizeof(su_int)] = {0}; | |
| 53 | char assumption_2[sizeof(tu_int)*CHAR_BIT == 128] = {0}; | |
| 54 | char assumption_3[sizeof(long double)*CHAR_BIT == 128] = {0}; | |
| 55 | ||
| 56 | #endif | |
| 57 | ||
| 58 | int main() | |
| 59 | { | |
| 60 | #if __LDBL_MANT_DIG__ == 113 | |
| 61 | if (test__fixunstfti(makeInf128(), make_ti(0xffffffffffffffffLL, | |
| 62 | 0xffffffffffffffffLL))) | |
| 63 | return 1; | |
| 64 | ||
| 65 | if (test__fixunstfti(0.0, 0)) | |
| 66 | return 1; | |
| 67 | ||
| 68 | if (test__fixunstfti(0.5, 0)) | |
| 69 | return 1; | |
| 70 | if (test__fixunstfti(0.99, 0)) | |
| 71 | return 1; | |
| 72 | if (test__fixunstfti(1.0, 1)) | |
| 73 | return 1; | |
| 74 | if (test__fixunstfti(1.5, 1)) | |
| 75 | return 1; | |
| 76 | if (test__fixunstfti(1.99, 1)) | |
| 77 | return 1; | |
| 78 | if (test__fixunstfti(2.0, 2)) | |
| 79 | return 1; | |
| 80 | if (test__fixunstfti(2.01, 2)) | |
| 81 | return 1; | |
| 82 | if (test__fixunstfti(-0.01, 0)) | |
| 83 | return 1; | |
| 84 | if (test__fixunstfti(-0.99, 0)) | |
| 85 | return 1; | |
| 86 | ||
| 87 | if (test__fixunstfti(0x1.p+128, make_ti(0xffffffffffffffffLL, | |
| 88 | 0xffffffffffffffffLL))) | |
| 89 | return 1; | |
| 90 | ||
| 91 | if (test__fixunstfti(0x1.FFFFFEp+126, make_ti(0x7fffff8000000000LL, 0x0))) | |
| 92 | return 1; | |
| 93 | if (test__fixunstfti(0x1.FFFFFEp+127, make_ti(0xffffff0000000000LL, 0x0))) | |
| 94 | return 1; | |
| 95 | if (test__fixunstfti(0x1.FFFFFEp+128, make_ti(0xffffffffffffffffLL, | |
| 96 | 0xffffffffffffffffLL))) | |
| 97 | return 1; | |
| 98 | if (test__fixunstfti(0x1.FFFFFEp+129, make_ti(0xffffffffffffffffLL, | |
| 99 | 0xffffffffffffffffLL))) | |
| 100 | return 1; | |
| 101 | ||
| 102 | #else | |
| 103 | printf("skipped\n"); | |
| 104 | #endif | |
| 105 | return 0; | |
| 106 | } |