glibc/sysdeps/alpha/alphaev67/ffsll.S
2000-12-08 17:19:13 +00:00

46 lines
1.2 KiB
ArmAsm

/* Copyright (C) 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* Finds the first bit set in a long. */
#include <sysdep.h>
.arch ev6
.set noreorder
.set noat
ENTRY(ffsl)
#ifdef PROF
ldgp gp, 0(pv)
lda AT, _mcount
jsr AT, (AT), _mcount
.prologue 1
#else
.prologue 0
#endif
cttz $16, $0
addq $0, 1, $0
cmoveq $16, 0, $0
ret
END(ffsl)
weak_extern (ffsl)
weak_alias (ffsl, ffsll)