diff options
Diffstat (limited to 'lib/ctzti2.c')
-rw-r--r-- | lib/ctzti2.c | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/lib/ctzti2.c b/lib/ctzti2.c deleted file mode 100644 index 66dc01b7ad3e..000000000000 --- a/lib/ctzti2.c +++ /dev/null @@ -1,33 +0,0 @@ -/* ===-- ctzti2.c - Implement __ctzti2 -------------------------------------=== - * - * 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 __ctzti2 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#if __x86_64 - -/* Returns: the number of trailing 0-bits */ - -/* Precondition: a != 0 */ - -si_int -__ctzti2(ti_int a) -{ - twords x; - x.all = a; - const di_int f = -(x.s.low == 0); - return __builtin_ctzll((x.s.high & f) | (x.s.low & ~f)) + - ((si_int)f & ((si_int)(sizeof(di_int) * CHAR_BIT))); -} - -#endif |