diff options
Diffstat (limited to 'sysdeps/s390/s390-32/sub_n.S')
| -rw-r--r-- | sysdeps/s390/s390-32/sub_n.S | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/sysdeps/s390/s390-32/sub_n.S b/sysdeps/s390/s390-32/sub_n.S deleted file mode 100644 index 358c8deddb..0000000000 --- a/sysdeps/s390/s390-32/sub_n.S +++ /dev/null @@ -1,62 +0,0 @@ -/* __mpn_sub_n -- Add two limb vectors of the same length > 0 and store - sum in a third limb vector. - Copyright (C) 2000-2017 Free Software Foundation, Inc. - Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). - 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/>. */ - -/* - INPUT PARAMETERS - res_ptr %r2 - s1_ptr %r3 - s2_ptr %r4 - size %r5 -*/ - -#include "sysdep.h" -#include "asm-syntax.h" - -ENTRY(__mpn_sub_n) - st %r6,24(%r15) # save register 6 - cfi_offset (%r6, -72) - sr %r1,%r1 - lhi %r0,1 # cannot use ahi to add carry, use slr -.L0: l %r6,0(%r1,%r3) # .L0 -> no carry from last sub - sl %r6,0(%r1,%r4) - st %r6,0(%r1,%r2) - la %r1,4(0,%r1) - brc 4,.L3 -.L1: brct %r5,.L0 - slr %r2,%r2 # no last carry to return - j .Lexit -.L2: l %r6,0(%r1,%r3) # .L2 -> carry from last sub - sl %r6,0(%r1,%r4) - brc 4,.L4 - slr %r6,%r0 # no carry yet, add carry from last sub - st %r6,0(%r1,%r2) - la %r1,4(0,%r1) - brc 11,.L1 # new carry ? -.L3: brct %r5,.L2 - lr %r2,%r0 # return last carry - j .Lexit -.L4: slr %r6,%r0 # already a carry, add carry from last sub - st %r6,0(%r1,%r2) - la %r1,4(0,%r1) - brct %r5,.L2 - lr %r2,%r0 # return last carry -.Lexit: l %r6,24(%r15) # restore register 6 - br %r14 -END(__mpn_sub_n) |