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Annotation of OpenXM_contrib/gmp/mpn/vax/lshift.s, Revision 1.1.1.2

1.1.1.2 ! ohara       1: # VAX mpn_lshift -- left shift.
1.1       maekawa     2:
1.1.1.2 ! ohara       3: # Copyright 1999, 2000, 2001 Free Software Foundation, Inc.
1.1       maekawa     4:
                      5: # This file is part of the GNU MP Library.
                      6:
                      7: # The GNU MP Library is free software; you can redistribute it and/or modify
                      8: # it under the terms of the GNU Lesser General Public License as published by
                      9: # the Free Software Foundation; either version 2.1 of the License, or (at your
                     10: # option) any later version.
                     11:
                     12: # The GNU MP Library is distributed in the hope that it will be useful, but
                     13: # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
                     14: # or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
                     15: # License for more details.
                     16:
                     17: # You should have received a copy of the GNU Lesser General Public License
                     18: # along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
                     19: # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
                     20: # MA 02111-1307, USA.
                     21:
                     22:
                     23: # INPUT PARAMETERS
                     24: # rptr         (sp + 4)
                     25: # sptr         (sp + 8)
                     26: # size         (sp + 12)
                     27: # cnt          (sp + 16)
                     28: # r0=retval r1=size r2,r3=itmp r4,r5=otmp      call-used registers
                     29: # r6=sptr r7=rptr r8=cnt r9 r10 r11            call-saved registers
                     30:
                     31: .text
                     32:        .align 1
                     33: .globl ___gmpn_lshift
                     34: ___gmpn_lshift:
                     35:        .word   0x1c0
                     36:        movl    4(ap),r7
                     37:        movl    8(ap),r6
                     38:        movl    12(ap),r1
                     39:        movl    16(ap),r8
                     40:
                     41:        moval   (r6)[r1],r6
                     42:        moval   (r7)[r1],r7
                     43:        clrl    r3
                     44:        movl    -(r6),r2
                     45:        ashq    r8,r2,r4
                     46:        movl    r5,r0
                     47:        movl    r2,r3
                     48:        decl    r1
                     49:        jeql    Lend
                     50:
                     51: Loop:  movl    -(r6),r2
                     52:        ashq    r8,r2,r4
                     53:        movl    r5,-(r7)
                     54:        movl    r2,r3
1.1.1.2 ! ohara      55:        sobgtr  r1,Loop
1.1       maekawa    56:
                     57: Lend:  movl    r4,-4(r7)
                     58:        ret