diff options
Diffstat (limited to 'sysdeps/sparc/sparc64/sub_n.S')
| -rw-r--r-- | sysdeps/sparc/sparc64/sub_n.S | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/sysdeps/sparc/sparc64/sub_n.S b/sysdeps/sparc/sparc64/sub_n.S deleted file mode 100644 index 006ae809c8..0000000000 --- a/sysdeps/sparc/sparc64/sub_n.S +++ /dev/null @@ -1,54 +0,0 @@ -/* SPARC v9 __mpn_sub_n -- Subtract two limb vectors of the same length > 0 - and store difference in a third limb vector. - - Copyright (C) 1995-2017 Free Software Foundation, Inc. - - This file is part of the GNU MP Library. - - The GNU MP 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 MP 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 MP Library; see the file COPYING.LIB. If not, - see <http://www.gnu.org/licenses/>. */ - -#include <sysdep.h> - -/* INPUT PARAMETERS - res_ptr %o0 - s1_ptr %o1 - s2_ptr %o2 - size %o3 */ - -ENTRY(__mpn_sub_n) - - sub %g0,%o3,%g5 - sllx %o3,3,%g1 - add %o1,%g1,%o1 ! make s1_ptr point at end - add %o2,%g1,%o2 ! make s2_ptr point at end - add %o0,%g1,%o0 ! make res_ptr point at end - mov 0,%o4 ! clear carry variable - sllx %g5,3,%o5 ! compute initial address index - -1: ldx [%o2+%o5],%g1 ! load s2 limb - add %g5,1,%g5 ! increment loop count - ldx [%o1+%o5],%o3 ! load s1 limb - addcc %g1,%o4,%g1 ! add s2 limb and carry variable - movcc %xcc,0,%o4 ! if carry-out, o4 was 1; clear it - subcc %o3,%g1,%g1 ! subtract s1 limb from sum - stx %g1,[%o0+%o5] ! store result - add %o5,8,%o5 ! increment address index - brnz,pt %g5,1b - movcs %xcc,1,%o4 ! if s1 subtract gave carry, record it - - retl - mov %o4,%o0 - -END(__mpn_sub_n) |