;! HP-PA  __mpn_add_n -- Add two limb vectors of the same length > 0 and store

;! sum in a third limb vector.

;! Copyright (C) 1992-2018 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.  If not, see

;! <http://www.gnu.org/licenses/>.

;! INPUT PARAMETERS

;! res_ptr	gr26

;! s1_ptr	gr25

;! s2_ptr	gr24

;! size		gr23

;! One might want to unroll this as for other processors, but it turns

;! out that the data cache contention after a store makes such

;! unrolling useless.  We can't come under 5 cycles/limb anyway.

	.text

	.export		__mpn_add_n

__mpn_add_n:

	.proc

	.callinfo	frame=0,no_calls

	.entry

	ldws,ma		4(%r25),%r21

	ldws,ma		4(%r24),%r20

	addib,=		-1,%r23,L$end	;! check for (SIZE == 1)

	 add		%r21,%r20,%r28	;! add first limbs ignoring cy

L$loop:	ldws,ma		4(%r25),%r21

	ldws,ma		4(%r24),%r20

	stws,ma		%r28,4(%r26)

	addib,<>	-1,%r23,L$loop

	 addc		%r21,%r20,%r28

L$end:	stws		%r28,0(%r26)

	bv		0(%r2)

	 addc		%r0,%r0,%r28

	.exit

	.procend