arch/sh/lib/ashiftrt.S

   1 /* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
   2    2004, 2005, 2006
   3    Free Software Foundation, Inc.
   4
   5 This file is free software; you can redistribute it and/or modify it
   6 under the terms of the GNU General Public License as published by the
   7 Free Software Foundation; either version 2, or (at your option) any
   8 later version.
   9
  10 In addition to the permissions in the GNU General Public License, the
  11 Free Software Foundation gives you unlimited permission to link the
  12 compiled version of this file into combinations with other programs,
  13 and to distribute those combinations without any restriction coming
  14 from the use of this file.  (The General Public License restrictions
  15 do apply in other respects; for example, they cover modification of
  16 the file, and distribution when not linked into a combine
  17 executable.)
  18
  19 This file is distributed in the hope that it will be useful, but
  20 WITHOUT ANY WARRANTY; without even the implied warranty of
  21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  22 General Public License for more details.
  23
  24 You should have received a copy of the GNU General Public License
  25 along with this program; see the file COPYING.  If not, write to
  26 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  27 Boston, MA 02110-1301, USA.  */
  28
  29 !! libgcc routines for the Renesas / SuperH SH CPUs.
  30 !! Contributed by Steve Chamberlain.
  31 !! sac@cygnus.com
  32
  33 !! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines
  34 !! recoded in assembly by Toshiyasu Morita
  35 !! tm@netcom.com
  36
  37 /* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
  38    ELF local label prefixes by J"orn Rennecke
  39    amylaar@cygnus.com  */
  40
  41         .global __ashiftrt_r4_0
  42         .global __ashiftrt_r4_1
  43         .global __ashiftrt_r4_2
  44         .global __ashiftrt_r4_3
  45         .global __ashiftrt_r4_4
  46         .global __ashiftrt_r4_5
  47         .global __ashiftrt_r4_6
  48         .global __ashiftrt_r4_7
  49         .global __ashiftrt_r4_8
  50         .global __ashiftrt_r4_9
  51         .global __ashiftrt_r4_10
  52         .global __ashiftrt_r4_11
  53         .global __ashiftrt_r4_12
  54         .global __ashiftrt_r4_13
  55         .global __ashiftrt_r4_14
  56         .global __ashiftrt_r4_15
  57         .global __ashiftrt_r4_16
  58         .global __ashiftrt_r4_17
  59         .global __ashiftrt_r4_18
  60         .global __ashiftrt_r4_19
  61         .global __ashiftrt_r4_20
  62         .global __ashiftrt_r4_21
  63         .global __ashiftrt_r4_22
  64         .global __ashiftrt_r4_23
  65         .global __ashiftrt_r4_24
  66         .global __ashiftrt_r4_25
  67         .global __ashiftrt_r4_26
  68         .global __ashiftrt_r4_27
  69         .global __ashiftrt_r4_28
  70         .global __ashiftrt_r4_29
  71         .global __ashiftrt_r4_30
  72         .global __ashiftrt_r4_31
  73         .global __ashiftrt_r4_32
  74
  75         .align  1
  76 __ashiftrt_r4_32:
  77 __ashiftrt_r4_31:
  78         rotcl   r4
  79         rts
  80         subc    r4,r4
  81 __ashiftrt_r4_30:
  82         shar    r4
  83 __ashiftrt_r4_29:
  84         shar    r4
  85 __ashiftrt_r4_28:
  86         shar    r4
  87 __ashiftrt_r4_27:
  88         shar    r4
  89 __ashiftrt_r4_26:
  90         shar    r4
  91 __ashiftrt_r4_25:
  92         shar    r4
  93 __ashiftrt_r4_24:
  94         shlr16  r4
  95         shlr8   r4
  96         rts
  97         exts.b  r4,r4
  98 __ashiftrt_r4_23:
  99         shar    r4
 100 __ashiftrt_r4_22:
 101         shar    r4
 102 __ashiftrt_r4_21:
 103         shar    r4
 104 __ashiftrt_r4_20:
 105         shar    r4
 106 __ashiftrt_r4_19:
 107         shar    r4
 108 __ashiftrt_r4_18:
 109         shar    r4
 110 __ashiftrt_r4_17:
 111         shar    r4
 112 __ashiftrt_r4_16:
 113         shlr16  r4
 114         rts
 115         exts.w  r4,r4
 116 __ashiftrt_r4_15:
 117         shar    r4
 118 __ashiftrt_r4_14:
 119         shar    r4
 120 __ashiftrt_r4_13:
 121         shar    r4
 122 __ashiftrt_r4_12:
 123         shar    r4
 124 __ashiftrt_r4_11:
 125         shar    r4
 126 __ashiftrt_r4_10:
 127         shar    r4
 128 __ashiftrt_r4_9:
 129         shar    r4
 130 __ashiftrt_r4_8:
 131         shar    r4
 132 __ashiftrt_r4_7:
 133         shar    r4
 134 __ashiftrt_r4_6:
 135         shar    r4
 136 __ashiftrt_r4_5:
 137         shar    r4
 138 __ashiftrt_r4_4:
 139         shar    r4
 140 __ashiftrt_r4_3:
 141         shar    r4
 142 __ashiftrt_r4_2:
 143         shar    r4
 144 __ashiftrt_r4_1:
 145         rts
 146         shar    r4
 147 __ashiftrt_r4_0:
 148         rts
 149         nop