--- /dev/null
+dnl HP-PA mpn_lshift -- Shift a number left.
+dnl Optimized for the PA7100, where is runs at 3.25 cycles/limb.
+
+dnl Copyright 1992, 1994, 2000, 2001, 2002, 2003 Free Software Foundation,
+dnl Inc.
+
+dnl This file is part of the GNU MP Library.
+
+dnl The GNU MP Library is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU Lesser General Public License as published
+dnl by the Free Software Foundation; either version 3 of the License, or (at
+dnl your option) any later version.
+
+dnl The GNU MP Library is distributed in the hope that it will be useful, but
+dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+dnl License for more details.
+
+dnl You should have received a copy of the GNU Lesser General Public License
+dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/.
+
+include(`../config.m4')
+
+C INPUT PARAMETERS
+C res_ptr r26
+C s_ptr r25
+C size r24
+C cnt r23
+
+ASM_START()
+PROLOGUE(mpn_lshift)
+ sh2add %r24,%r25,%r25
+ sh2add %r24,%r26,%r26
+ ldws,mb -4(0,%r25),%r22
+ subi 32,%r23,%r1
+ mtsar %r1
+ addib,= -1,%r24,L(0004)
+ vshd %r0,%r22,%r28 C compute carry out limb
+ ldws,mb -4(0,%r25),%r29
+ addib,<= -5,%r24,L(rest)
+ vshd %r22,%r29,%r20
+
+LDEF(loop)
+ ldws,mb -4(0,%r25),%r22
+ stws,mb %r20,-4(0,%r26)
+ vshd %r29,%r22,%r20
+ ldws,mb -4(0,%r25),%r29
+ stws,mb %r20,-4(0,%r26)
+ vshd %r22,%r29,%r20
+ ldws,mb -4(0,%r25),%r22
+ stws,mb %r20,-4(0,%r26)
+ vshd %r29,%r22,%r20
+ ldws,mb -4(0,%r25),%r29
+ stws,mb %r20,-4(0,%r26)
+ addib,> -4,%r24,L(loop)
+ vshd %r22,%r29,%r20
+
+LDEF(rest)
+ addib,= 4,%r24,L(end1)
+ nop
+
+LDEF(eloop)
+ ldws,mb -4(0,%r25),%r22
+ stws,mb %r20,-4(0,%r26)
+ addib,<= -1,%r24,L(end2)
+ vshd %r29,%r22,%r20
+ ldws,mb -4(0,%r25),%r29
+ stws,mb %r20,-4(0,%r26)
+ addib,> -1,%r24,L(eloop)
+ vshd %r22,%r29,%r20
+
+LDEF(end1)
+ stws,mb %r20,-4(0,%r26)
+ vshd %r29,%r0,%r20
+ bv 0(%r2)
+ stw %r20,-4(0,%r26)
+
+LDEF(end2)
+ stws,mb %r20,-4(0,%r26)
+
+LDEF(0004)
+ vshd %r22,%r0,%r20
+ bv 0(%r2)
+ stw %r20,-4(0,%r26)
+EPILOGUE()