diff options
Diffstat (limited to 'lib/fixsfti.c')
-rw-r--r-- | lib/fixsfti.c | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/lib/fixsfti.c b/lib/fixsfti.c deleted file mode 100644 index c730ae0467c4..000000000000 --- a/lib/fixsfti.c +++ /dev/null @@ -1,45 +0,0 @@ -/* ===-- fixsfti.c - Implement __fixsfti -----------------------------------=== - * - * 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 __fixsfti for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#if __x86_64 - -/* Returns: convert a to a signed long long, rounding toward zero. */ - -/* Assumption: float is a IEEE 32 bit floating point type - * su_int is a 32 bit integral type - * value in float is representable in ti_int (no range checking performed) - */ - -/* seee eeee emmm mmmm mmmm mmmm mmmm mmmm */ - -ti_int -__fixsfti(float a) -{ - float_bits fb; - fb.f = a; - int e = ((fb.u & 0x7F800000) >> 23) - 127; - if (e < 0) - return 0; - ti_int s = (si_int)(fb.u & 0x80000000) >> 31; - ti_int r = (fb.u & 0x007FFFFF) | 0x00800000; - if (e > 23) - r <<= (e - 23); - else - r >>= (23 - e); - return (r ^ s) - s; -} - -#endif |