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-rw-r--r--sysdeps/rs6000/sub_n.s82
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diff --git a/sysdeps/rs6000/sub_n.s b/sysdeps/rs6000/sub_n.s
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-# IBM POWER __mpn_sub_n -- Subtract two limb vectors of equal, non-zero length.
-
-# Copyright (C) 1992, 1994, 1995, 1996 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, 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
-
-	.toc
-	.extern __mpn_sub_n[DS]
-	.extern .__mpn_sub_n
-.csect [PR]
-	.align 2
-	.globl __mpn_sub_n
-	.globl .__mpn_sub_n
-	.csect __mpn_sub_n[DS]
-__mpn_sub_n:
-	.long .__mpn_sub_n, TOC[tc0], 0
-	.csect [PR]
-.__mpn_sub_n:
-	andil.	10,6,1		# odd or even number of limbs?
-	l	8,0(4)		# load least significant s1 limb
-	l	0,0(5)		# load least significant s2 limb
-	cal	3,-4(3)		# offset res_ptr, it's updated before it's used
-	sri	10,6,1		# count for unrolled loop
-	sf	7,0,8		# subtract least significant limbs, set cy
-	mtctr	10		# copy count into CTR
-	beq	0,Leven		# branch if even # of limbs (# of limbs >= 2)
-
-# We have an odd # of limbs.  Add the first limbs separately.
-	cmpi	1,10,0		# is count for unrolled loop zero?
-	bne	1,L1		# branch if not
-	st	7,4(3)
-	sfe	3,0,0		# load !cy into ...
-	sfi	3,3,0		# ... return value register
-	br			# return
-
-# We added least significant limbs.  Now reload the next limbs to enter loop.
-L1:	lu	8,4(4)		# load s1 limb and update s1_ptr
-	lu	0,4(5)		# load s2 limb and update s2_ptr
-	stu	7,4(3)
-	sfe	7,0,8		# subtract limbs, set cy
-Leven:	lu	9,4(4)		# load s1 limb and update s1_ptr
-	lu	10,4(5)		# load s2 limb and update s2_ptr
-	bdz	Lend		# If done, skip loop
-
-Loop:	lu	8,4(4)		# load s1 limb and update s1_ptr
-	lu	0,4(5)		# load s2 limb and update s2_ptr
-	sfe	11,10,9		# subtract previous limbs with cy, set cy
-	stu	7,4(3)		# 
-	lu	9,4(4)		# load s1 limb and update s1_ptr
-	lu	10,4(5)		# load s2 limb and update s2_ptr
-	sfe	7,0,8		# subtract previous limbs with cy, set cy
-	stu	11,4(3)		# 
-	bdn	Loop		# decrement CTR and loop back
-
-Lend:	sfe	11,10,9		# subtract limbs with cy, set cy
-	st	7,4(3)		# 
-	st	11,8(3)		# 
-	sfe	3,0,0		# load !cy into ...
-	sfi	3,3,0		# ... return value register
-	br