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diff --git a/gmp/mpn/vax/lshift.s b/gmp/mpn/vax/lshift.s
new file mode 100644
index 00000000..6f3d600b
--- /dev/null
+++ b/gmp/mpn/vax/lshift.s
@@ -0,0 +1,56 @@
+# VAX mpn_lshift -- left shift.
+
+# Copyright 1999, 2000, 2001 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 3 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
+# rptr		(sp + 4)
+# sptr		(sp + 8)
+# size		(sp + 12)
+# cnt		(sp + 16)
+# r0=retval r1=size r2,r3=itmp r4,r5=otmp	call-used registers
+# r6=sptr r7=rptr r8=cnt r9 r10 r11		call-saved registers
+
+.text
+	.align 1
+.globl ___gmpn_lshift
+___gmpn_lshift:
+	.word	0x1c0
+	movl	4(ap),r7
+	movl	8(ap),r6
+	movl	12(ap),r1
+	movl	16(ap),r8
+
+	moval	(r6)[r1],r6
+	moval	(r7)[r1],r7
+	clrl	r3
+	movl	-(r6),r2
+	ashq	r8,r2,r4
+	movl	r5,r0
+	movl	r2,r3
+	decl	r1
+	jeql	Lend
+
+Loop:	movl	-(r6),r2
+	ashq	r8,r2,r4
+	movl	r5,-(r7)
+	movl	r2,r3
+	sobgtr	r1,Loop
+
+Lend:	movl	r4,-4(r7)
+	ret