Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 | /* Copyright (C) 1994, 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. This file is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. In addition to the permissions in the GNU General Public License, the Free Software Foundation gives you unlimited permission to link the compiled version of this file into combinations with other programs, and to distribute those combinations without any restriction coming from the use of this file. (The General Public License restrictions do apply in other respects; for example, they cover modification of the file, and distribution when not linked into a combine executable.) This file 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; see the file COPYING. If not, write to the Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ !! libgcc routines for the Renesas / SuperH SH CPUs. !! Contributed by Steve Chamberlain. !! sac@cygnus.com !! ashiftrt_r4_x, ___ashrsi3, ___ashlsi3, ___lshrsi3 routines !! recoded in assembly by Toshiyasu Morita !! tm@netcom.com /* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and ELF local label prefixes by J"orn Rennecke amylaar@cygnus.com */ ! ! __lshrsi3 ! ! Entry: ! ! r4: Value to shift ! r5: Shifts ! ! Exit: ! ! r0: Result ! ! Destroys: ! ! (none) ! ! __lshrsi3_r0 ! ! Entry: ! ! r0: Value to shift ! r5: Shifts ! ! Exit: ! ! r0: Result ! ! Destroys: ! ! (none) ! .global __lshrsi3 .global __lshrsi3_r0 .align 2 __lshrsi3: mov r5,r0 .align 2 __lshrsi3_r0: and #31,r0 mov.l r4,@-r15 mov r0,r4 mova lshrsi3_table,r0 mov.b @(r0,r4),r4 add r4,r0 jmp @r0 mov.l @r15+,r0 .align 2 lshrsi3_table: .byte lshrsi3_0-lshrsi3_table .byte lshrsi3_1-lshrsi3_table .byte lshrsi3_2-lshrsi3_table .byte lshrsi3_3-lshrsi3_table .byte lshrsi3_4-lshrsi3_table .byte lshrsi3_5-lshrsi3_table .byte lshrsi3_6-lshrsi3_table .byte lshrsi3_7-lshrsi3_table .byte lshrsi3_8-lshrsi3_table .byte lshrsi3_9-lshrsi3_table .byte lshrsi3_10-lshrsi3_table .byte lshrsi3_11-lshrsi3_table .byte lshrsi3_12-lshrsi3_table .byte lshrsi3_13-lshrsi3_table .byte lshrsi3_14-lshrsi3_table .byte lshrsi3_15-lshrsi3_table .byte lshrsi3_16-lshrsi3_table .byte lshrsi3_17-lshrsi3_table .byte lshrsi3_18-lshrsi3_table .byte lshrsi3_19-lshrsi3_table .byte lshrsi3_20-lshrsi3_table .byte lshrsi3_21-lshrsi3_table .byte lshrsi3_22-lshrsi3_table .byte lshrsi3_23-lshrsi3_table .byte lshrsi3_24-lshrsi3_table .byte lshrsi3_25-lshrsi3_table .byte lshrsi3_26-lshrsi3_table .byte lshrsi3_27-lshrsi3_table .byte lshrsi3_28-lshrsi3_table .byte lshrsi3_29-lshrsi3_table .byte lshrsi3_30-lshrsi3_table .byte lshrsi3_31-lshrsi3_table lshrsi3_6: shlr2 r0 lshrsi3_4: shlr2 r0 lshrsi3_2: rts shlr2 r0 lshrsi3_7: shlr2 r0 lshrsi3_5: shlr2 r0 lshrsi3_3: shlr2 r0 lshrsi3_1: rts shlr r0 lshrsi3_14: shlr2 r0 lshrsi3_12: shlr2 r0 lshrsi3_10: shlr2 r0 lshrsi3_8: rts shlr8 r0 lshrsi3_15: shlr2 r0 lshrsi3_13: shlr2 r0 lshrsi3_11: shlr2 r0 lshrsi3_9: shlr8 r0 rts shlr r0 lshrsi3_22: shlr2 r0 lshrsi3_20: shlr2 r0 lshrsi3_18: shlr2 r0 lshrsi3_16: rts shlr16 r0 lshrsi3_23: shlr2 r0 lshrsi3_21: shlr2 r0 lshrsi3_19: shlr2 r0 lshrsi3_17: shlr16 r0 rts shlr r0 lshrsi3_30: shlr2 r0 lshrsi3_28: shlr2 r0 lshrsi3_26: shlr2 r0 lshrsi3_24: shlr16 r0 rts shlr8 r0 lshrsi3_31: shlr2 r0 lshrsi3_29: shlr2 r0 lshrsi3_27: shlr2 r0 lshrsi3_25: shlr16 r0 shlr8 r0 rts shlr r0 lshrsi3_0: rts nop |