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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/hppa/add_n.s
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
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diff --git a/sysdeps/hppa/add_n.s b/sysdeps/hppa/add_n.s
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-;! 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, 1994 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	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(0,%r25),%r21
-	ldws,ma		4(0,%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(0,%r25),%r21
-	ldws,ma		4(0,%r24),%r20
-	stws,ma		%r28,4(0,%r26)
-	addib,<>	-1,%r23,L$loop
-	 addc		%r21,%r20,%r28
-
-L$end:	stws		%r28,0(0,%r26)
-	bv		0(%r2)
-	 addc		%r0,%r0,%r28
-
-	.exit
-	.procend