diff options
Diffstat (limited to 'ports/sysdeps/arm/armv6t2/ffsll.S')
| -rw-r--r-- | ports/sysdeps/arm/armv6t2/ffsll.S | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/ports/sysdeps/arm/armv6t2/ffsll.S b/ports/sysdeps/arm/armv6t2/ffsll.S deleted file mode 100644 index 204ff80092..0000000000 --- a/ports/sysdeps/arm/armv6t2/ffsll.S +++ /dev/null @@ -1,50 +0,0 @@ -/* ffsll -- find first set bit in a long long, from least significant end. - Copyright (C) 2013-2014 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/>. */ - -#include <sysdep.h> - - .syntax unified - .text - -ENTRY (ffsll) - @ If low part is 0, operate on the high part. Ensure that the - @ word on which we operate is in r0. Set r2 to the bit offset - @ of the word being considered. Set the flags for the word - @ being operated on. -#ifdef __ARMEL__ - cmp r0, #0 - itee ne - movne r2, #0 - moveq r2, #32 - movseq r0, r1 -#else - cmp r1, #0 - ittee ne - movne r2, #0 - movne r0, r1 - moveq r2, #32 - cmpeq r0, #0 -#endif - @ Perform the ffs on r0. - rbit r0, r0 - ittt ne - clzne r0, r0 - addne r2, r2, #1 - addne r0, r0, r2 - bx lr -END (ffsll) |