diff options
Diffstat (limited to 'ports/sysdeps/alpha/alphaev67/ffsll.S')
| -rw-r--r-- | ports/sysdeps/alpha/alphaev67/ffsll.S | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/ports/sysdeps/alpha/alphaev67/ffsll.S b/ports/sysdeps/alpha/alphaev67/ffsll.S new file mode 100644 index 0000000000..77ef7d5dc5 --- /dev/null +++ b/ports/sysdeps/alpha/alphaev67/ffsll.S @@ -0,0 +1,44 @@ +/* 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +/* 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) |