+++ /dev/null
-# PowerPC-64 mpn_sub_n -- Subtract two limb vectors of the same length > 0
-# and store difference in a third limb vector.
-
-# Copyright (C) 1999, 2000 Free Software Foundation, Inc.b
-
-# 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, write to
-# the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
-# MA 02111-1307, USA.
-
-
-# INPUT PARAMETERS
-# res_ptr r3
-# s1_ptr r4
-# s2_ptr r5
-# size r6
-
-include(`../config.m4')
-
-ASM_START()
-PROLOGUE(mpn_sub_n)
- mtctr r6 # copy size into CTR
- addic r0,r6,-1 # set cy
- ld r8,0(r4) # load least significant s1 limb
- ld r0,0(r5) # load least significant s2 limb
- addi r3,r3,-8 # offset res_ptr, it's updated before it's used
- bdz .Lend # If done, skip loop
-.Loop: ld r9,8(r4) # load s1 limb
- ld r10,8(r5) # load s2 limb
- subfe r7,r0,r8 # subtract limbs with cy, set cy
- std r7,8(r3) # store result limb
- bdz .Lexit # decrement CTR and exit if done
- ldu r8,16(r4) # load s1 limb and update s1_ptr
- ldu r0,16(r5) # load s2 limb and update s2_ptr
- subfe r7,r10,r9 # subtract limbs with cy, set cy
- stdu r7,16(r3) # store result limb and update res_ptr
- bdnz .Loop # decrement CTR and loop back
-
-.Lend: subfe r7,r0,r8
- std r7,8(r3) # store ultimate result limb
- subfe r3,r0,r0 # load !cy into ...
- subfic r3,r3,0 # ... return value register
- blr
-.Lexit: subfe r7,r10,r9
- std r7,16(r3)
- subfe r3,r0,r0 # load !cy into ...
- subfic r3,r3,0 # ... return value register
- blr
-EPILOGUE(mpn_sub_n)