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Diffstat (limited to 'lib/fixunsdfti.c')
-rw-r--r-- | lib/fixunsdfti.c | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/lib/fixunsdfti.c b/lib/fixunsdfti.c deleted file mode 100644 index fb0336f69081..000000000000 --- a/lib/fixunsdfti.c +++ /dev/null @@ -1,47 +0,0 @@ -/* ===-- fixunsdfti.c - Implement __fixunsdfti -----------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __fixunsdfti for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#if __x86_64 - -/* Returns: convert a to a unsigned long long, rounding toward zero. - * Negative values all become zero. - */ - -/* Assumption: double is a IEEE 64 bit floating point type - * tu_int is a 64 bit integral type - * value in double is representable in tu_int or is negative - * (no range checking performed) - */ - -/* seee eeee eeee mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm */ - -tu_int -__fixunsdfti(double a) -{ - double_bits fb; - fb.f = a; - int e = ((fb.u.s.high & 0x7FF00000) >> 20) - 1023; - if (e < 0 || (fb.u.s.high & 0x80000000)) - return 0; - tu_int r = 0x0010000000000000uLL | (fb.u.all & 0x000FFFFFFFFFFFFFuLL); - if (e > 52) - r <<= (e - 52); - else - r >>= (52 - e); - return r; -} - -#endif |