// RUN: %clang_builtins %s %librt -o %t && %run %t // REQUIRES: librt_has_floattitf #define QUAD_PRECISION #include "fp_lib.h" #include "int_lib.h" #include #include // The testcase currently assumes IEEE TF format, once that has been // fixed the defined(CRT_HAS_IEEE_TF) guard can be removed to enable it for // IBM 128 floats as well. #if defined(CRT_HAS_IEEE_TF) # include "fp_test.h" /* Returns: convert a ti_int to a fp_t, rounding toward even. */ /* Assumption: fp_t is a IEEE 128 bit floating point type * ti_int is a 128 bit integral type */ /* seee eeee eeee eeee mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | * mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm */ COMPILER_RT_ABI fp_t __floattitf(ti_int a); int _test__floattitf(int line, ti_int a, fp_t expected) { fp_t x = __floattitf(a); if (x != expected) { twords at; at.all = a; __uint128_t expected_rep = toRep128(expected); __uint128_t res_rep = toRep128(x); printf("%s:%d: error in __floattitf(0x%.16llX%.16llX) = " "0x%.16llX%.16llX, expected 0x%.16llX%.16llX\n", __FILE__, line, at.s.high, at.s.low, (uint64_t)(res_rep >> 64), (uint64_t)res_rep, (uint64_t)(expected_rep >> 64), (uint64_t)expected_rep); } return x != expected; } # define test__floattitf(a, e) _test__floattitf(__LINE__, a, e) char assumption_1[sizeof(ti_int) == 2 * sizeof(di_int)] = {0}; char assumption_2[sizeof(ti_int) * CHAR_BIT == 128] = {0}; char assumption_3[sizeof(fp_t) * CHAR_BIT == 128] = {0}; int main() { if (test__floattitf(0, TF_C(0.0))) return 1; if (test__floattitf(1, TF_C(1.0))) return 1; if (test__floattitf(2, TF_C(2.0))) return 1; if (test__floattitf(20, TF_C(20.0))) return 1; if (test__floattitf(-1, -TF_C(1.0))) return 1; if (test__floattitf(-2, -TF_C(2.0))) return 1; if (test__floattitf(-20, -TF_C(20.0))) return 1; if (test__floattitf(0x7FFFFF8000000000LL, TF_C(0x1.FFFFFEp+62))) return 1; if (test__floattitf(0x7FFFFFFFFFFFF800LL, TF_C(0x1.FFFFFFFFFFFFEp+62))) return 1; if (test__floattitf(0x7FFFFF0000000000LL, TF_C(0x1.FFFFFCp+62))) return 1; if (test__floattitf(0x7FFFFFFFFFFFF000LL, TF_C(0x1.FFFFFFFFFFFFCp+62))) return 1; if (test__floattitf(make_ti(0x8000008000000000LL, 0), -TF_C(0x1.FFFFFEp+126))) return 1; if (test__floattitf(make_ti(0x8000000000000800LL, 0), -TF_C(0x1.FFFFFFFFFFFFEp+126))) return 1; if (test__floattitf(make_ti(0x8000010000000000LL, 0), -TF_C(0x1.FFFFFCp+126))) return 1; if (test__floattitf(make_ti(0x8000000000001000LL, 0), -TF_C(0x1.FFFFFFFFFFFFCp+126))) return 1; if (test__floattitf(make_ti(0x8000000000000000LL, 0), -TF_C(0x1.000000p+127))) return 1; if (test__floattitf(make_ti(0x8000000000000001LL, 0), -TF_C(0x1.FFFFFFFFFFFFFFFCp+126))) return 1; if (test__floattitf(0x0007FB72E8000000LL, TF_C(0x1.FEDCBAp+50))) return 1; if (test__floattitf(0x0007FB72EA000000LL, TF_C(0x1.FEDCBA8p+50))) return 1; if (test__floattitf(0x0007FB72EB000000LL, TF_C(0x1.FEDCBACp+50))) return 1; if (test__floattitf(0x0007FB72EBFFFFFFLL, TF_C(0x1.FEDCBAFFFFFFCp+50))) return 1; if (test__floattitf(0x0007FB72EC000000LL, TF_C(0x1.FEDCBBp+50))) return 1; if (test__floattitf(0x0007FB72E8000001LL, TF_C(0x1.FEDCBA0000004p+50))) return 1; if (test__floattitf(0x0007FB72E6000000LL, TF_C(0x1.FEDCB98p+50))) return 1; if (test__floattitf(0x0007FB72E7000000LL, TF_C(0x1.FEDCB9Cp+50))) return 1; if (test__floattitf(0x0007FB72E7FFFFFFLL, TF_C(0x1.FEDCB9FFFFFFCp+50))) return 1; if (test__floattitf(0x0007FB72E4000001LL, TF_C(0x1.FEDCB90000004p+50))) return 1; if (test__floattitf(0x0007FB72E4000000LL, TF_C(0x1.FEDCB9p+50))) return 1; if (test__floattitf(0x023479FD0E092DC0LL, TF_C(0x1.1A3CFE870496Ep+57))) return 1; if (test__floattitf(0x023479FD0E092DA1LL, TF_C(0x1.1A3CFE870496D08p+57))) return 1; if (test__floattitf(0x023479FD0E092DB0LL, TF_C(0x1.1A3CFE870496D8p+57))) return 1; if (test__floattitf(0x023479FD0E092DB8LL, TF_C(0x1.1A3CFE870496DCp+57))) return 1; if (test__floattitf(0x023479FD0E092DB6LL, TF_C(0x1.1A3CFE870496DBp+57))) return 1; if (test__floattitf(0x023479FD0E092DBFLL, TF_C(0x1.1A3CFE870496DF8p+57))) return 1; if (test__floattitf(0x023479FD0E092DC1LL, TF_C(0x1.1A3CFE870496E08p+57))) return 1; if (test__floattitf(0x023479FD0E092DC7LL, TF_C(0x1.1A3CFE870496E38p+57))) return 1; if (test__floattitf(0x023479FD0E092DC8LL, TF_C(0x1.1A3CFE870496E4p+57))) return 1; if (test__floattitf(0x023479FD0E092DCFLL, TF_C(0x1.1A3CFE870496E78p+57))) return 1; if (test__floattitf(0x023479FD0E092DD0LL, TF_C(0x1.1A3CFE870496E8p+57))) return 1; if (test__floattitf(0x023479FD0E092DD1LL, TF_C(0x1.1A3CFE870496E88p+57))) return 1; if (test__floattitf(0x023479FD0E092DD8LL, TF_C(0x1.1A3CFE870496ECp+57))) return 1; if (test__floattitf(0x023479FD0E092DDFLL, TF_C(0x1.1A3CFE870496EF8p+57))) return 1; if (test__floattitf(0x023479FD0E092DE0LL, TF_C(0x1.1A3CFE870496Fp+57))) return 1; if (test__floattitf(make_ti(0x023479FD0E092DC0LL, 0), TF_C(0x1.1A3CFE870496Ep+121))) return 1; if (test__floattitf(make_ti(0x023479FD0E092DA1LL, 1), TF_C(0x1.1A3CFE870496D08p+121))) return 1; if (test__floattitf(make_ti(0x023479FD0E092DB0LL, 2), TF_C(0x1.1A3CFE870496D8p+121))) return 1; if (test__floattitf(make_ti(0x023479FD0E092DB8LL, 3), TF_C(0x1.1A3CFE870496DCp+121))) return 1; if (test__floattitf(make_ti(0x023479FD0E092DB6LL, 4), TF_C(0x1.1A3CFE870496DBp+121))) return 1; if (test__floattitf(make_ti(0x023479FD0E092DBFLL, 5), TF_C(0x1.1A3CFE870496DF8p+121))) return 1; if (test__floattitf(make_ti(0x023479FD0E092DC1LL, 6), TF_C(0x1.1A3CFE870496E08p+121))) return 1; if (test__floattitf(make_ti(0x023479FD0E092DC7LL, 7), TF_C(0x1.1A3CFE870496E38p+121))) return 1; if (test__floattitf(make_ti(0x023479FD0E092DC8LL, 8), TF_C(0x1.1A3CFE870496E4p+121))) return 1; if (test__floattitf(make_ti(0x023479FD0E092DCFLL, 9), TF_C(0x1.1A3CFE870496E78p+121))) return 1; if (test__floattitf(make_ti(0x023479FD0E092DD0LL, 0), TF_C(0x1.1A3CFE870496E8p+121))) return 1; if (test__floattitf(make_ti(0x023479FD0E092DD1LL, 11), TF_C(0x1.1A3CFE870496E88p+121))) return 1; if (test__floattitf(make_ti(0x023479FD0E092DD8LL, 12), TF_C(0x1.1A3CFE870496ECp+121))) return 1; if (test__floattitf(make_ti(0x023479FD0E092DDFLL, 13), TF_C(0x1.1A3CFE870496EF8p+121))) return 1; if (test__floattitf(make_ti(0x023479FD0E092DE0LL, 14), TF_C(0x1.1A3CFE870496Fp+121))) return 1; if (test__floattitf(make_ti(0, 0xFFFFFFFFFFFFFFFFLL), TF_C(0x1.FFFFFFFFFFFFFFFEp+63))) return 1; if (test__floattitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC2801LL), TF_C(0x1.23456789ABCDEF0123456789ABC3p+124))) return 1; if (test__floattitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC3000LL), TF_C(0x1.23456789ABCDEF0123456789ABC3p+124))) return 1; if (test__floattitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC37FFLL), TF_C(0x1.23456789ABCDEF0123456789ABC3p+124))) return 1; if (test__floattitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC3800LL), TF_C(0x1.23456789ABCDEF0123456789ABC4p+124))) return 1; if (test__floattitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC4000LL), TF_C(0x1.23456789ABCDEF0123456789ABC4p+124))) return 1; if (test__floattitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC47FFLL), TF_C(0x1.23456789ABCDEF0123456789ABC4p+124))) return 1; if (test__floattitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC4800LL), TF_C(0x1.23456789ABCDEF0123456789ABC4p+124))) return 1; if (test__floattitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC4801LL), TF_C(0x1.23456789ABCDEF0123456789ABC5p+124))) return 1; if (test__floattitf(make_ti(0x123456789ABCDEF0LL, 0x123456789ABC57FFLL), TF_C(0x1.23456789ABCDEF0123456789ABC5p+124))) return 1; return 0; } #else int main() { printf("skipped\n"); return 0; } #endif