diff options
Diffstat (limited to 'lib/fixdfti.c')
-rw-r--r-- | lib/fixdfti.c | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/lib/fixdfti.c b/lib/fixdfti.c deleted file mode 100644 index b110a94b84275..0000000000000 --- a/lib/fixdfti.c +++ /dev/null @@ -1,45 +0,0 @@ -/* ===-- fixdfti.c - Implement __fixdfti -----------------------------------=== - * - * 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 __fixdfti for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#if __x86_64 - -/* Returns: convert a to a signed long long, rounding toward zero. */ - -/* Assumption: double is a IEEE 64 bit floating point type - * su_int is a 32 bit integral type - * value in double is representable in ti_int (no range checking performed) - */ - -/* seee eeee eeee mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm */ - -ti_int -__fixdfti(double a) -{ - double_bits fb; - fb.f = a; - int e = ((fb.u.s.high & 0x7FF00000) >> 20) - 1023; - if (e < 0) - return 0; - ti_int s = (si_int)(fb.u.s.high & 0x80000000) >> 31; - ti_int r = 0x0010000000000000uLL | (0x000FFFFFFFFFFFFFuLL & fb.u.all); - if (e > 52) - r <<= (e - 52); - else - r >>= (52 - e); - return (r ^ s) - s; -} - -#endif |