diff options
Diffstat (limited to 'lib/fixxfti.c')
-rw-r--r-- | lib/fixxfti.c | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/lib/fixxfti.c b/lib/fixxfti.c deleted file mode 100644 index 973dc31bf937b..0000000000000 --- a/lib/fixxfti.c +++ /dev/null @@ -1,47 +0,0 @@ -/* ===-- fixxfti.c - Implement __fixxfti -----------------------------------=== - * - * 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 __fixxfti for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#if __x86_64 - -/* Returns: convert a to a signed long long, rounding toward zero. */ - -/* Assumption: long double is an intel 80 bit floating point type padded with 6 bytes - * su_int is a 32 bit integral type - * value in long double is representable in ti_int (no range checking performed) - */ - -/* gggg gggg gggg gggg gggg gggg gggg gggg | gggg gggg gggg gggg seee eeee eeee eeee | - * 1mmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm - */ - -ti_int -__fixxfti(long double a) -{ - long_double_bits fb; - fb.f = a; - int e = (fb.u.high.s.low & 0x00007FFF) - 16383; - if (e < 0) - return 0; - ti_int s = -(si_int)((fb.u.high.s.low & 0x00008000) >> 15); - ti_int r = fb.u.low.all; - if (e > 63) - r <<= (e - 63); - else - r >>= (63 - e); - return (r ^ s) - s; -} - -#endif /* __x86_64 */ |