1 files changed, 65 insertions, 0 deletions
diff --git a/ports/sysdeps/hppa/lshift.S b/ports/sysdeps/hppa/lshift.S
new file mode 100644
index 0000000000..ce18a981f3
--- /dev/null
+++ b/ports/sysdeps/hppa/lshift.S
@@ -0,0 +1,65 @@
+;! HP-PA  __mpn_lshift --
+
+;! 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.  If not, see
+;! <http://www.gnu.org/licenses/>.
+
+
+;! INPUT PARAMETERS
+;! res_ptr	gr26
+;! s_ptr	gr25
+;! size		gr24
+;! cnt		gr23
+
+	.text
+	.export		__mpn_lshift
+__mpn_lshift:
+	.proc
+	.callinfo	frame=64,no_calls
+	.entry
+
+	sh2add		%r24,%r25,%r25
+	sh2add		%r24,%r26,%r26
+	ldws,mb		-4(%r25),%r22
+	subi		32,%r23,%r1
+	mtsar		%r1
+	addib,=		-1,%r24,L$0004
+	vshd		%r0,%r22,%r28		;! compute carry out limb
+	ldws,mb		-4(%r25),%r29
+	addib,=		-1,%r24,L$0002
+	vshd		%r22,%r29,%r20
+
+L$loop:	ldws,mb		-4(%r25),%r22
+	stws,mb		%r20,-4(%r26)
+	addib,=		-1,%r24,L$0003
+	vshd		%r29,%r22,%r20
+	ldws,mb		-4(%r25),%r29
+	stws,mb		%r20,-4(%r26)
+	addib,<>	-1,%r24,L$loop
+	vshd		%r22,%r29,%r20
+
+L$0002:	stws,mb		%r20,-4(%r26)
+	vshd		%r29,%r0,%r20
+	bv		0(%r2)
+	stw		%r20,-4(%r26)
+L$0003:	stws,mb		%r20,-4(%r26)
+L$0004:	vshd		%r22,%r0,%r20
+	bv		0(%r2)
+	stw		%r20,-4(%r26)
+
+	.exit
+	.procend