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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 | /* 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 */ .text .balign 4 .global __movmem .global __movstr .set __movstr, __movmem /* This would be a lot simpler if r6 contained the byte count minus 64, and we wouldn't be called here for a byte count of 64. */ __movmem: sts.l pr,@-r15 shll2 r6 bsr __movmemSI52+2 mov.l @(48,r5),r0 .balign 4 movmem_loop: /* Reached with rts */ mov.l @(60,r5),r0 add #-64,r6 mov.l r0,@(60,r4) tst r6,r6 mov.l @(56,r5),r0 bt movmem_done mov.l r0,@(56,r4) cmp/pl r6 mov.l @(52,r5),r0 add #64,r5 mov.l r0,@(52,r4) add #64,r4 bt __movmemSI52 ! done all the large groups, do the remainder ! jump to movmem+ mova __movmemSI4+4,r0 add r6,r0 jmp @r0 movmem_done: ! share slot insn, works out aligned. lds.l @r15+,pr mov.l r0,@(56,r4) mov.l @(52,r5),r0 rts mov.l r0,@(52,r4) .balign 4 .global __movmemSI64 .global __movstrSI64 .set __movstrSI64, __movmemSI64 __movmemSI64: mov.l @(60,r5),r0 mov.l r0,@(60,r4) .global __movmemSI60 .global __movstrSI60 .set __movstrSI60, __movmemSI60 __movmemSI60: mov.l @(56,r5),r0 mov.l r0,@(56,r4) .global __movmemSI56 .global __movstrSI56 .set __movstrSI56, __movmemSI56 __movmemSI56: mov.l @(52,r5),r0 mov.l r0,@(52,r4) .global __movmemSI52 .global __movstrSI52 .set __movstrSI52, __movmemSI52 __movmemSI52: mov.l @(48,r5),r0 mov.l r0,@(48,r4) .global __movmemSI48 .global __movstrSI48 .set __movstrSI48, __movmemSI48 __movmemSI48: mov.l @(44,r5),r0 mov.l r0,@(44,r4) .global __movmemSI44 .global __movstrSI44 .set __movstrSI44, __movmemSI44 __movmemSI44: mov.l @(40,r5),r0 mov.l r0,@(40,r4) .global __movmemSI40 .global __movstrSI40 .set __movstrSI40, __movmemSI40 __movmemSI40: mov.l @(36,r5),r0 mov.l r0,@(36,r4) .global __movmemSI36 .global __movstrSI36 .set __movstrSI36, __movmemSI36 __movmemSI36: mov.l @(32,r5),r0 mov.l r0,@(32,r4) .global __movmemSI32 .global __movstrSI32 .set __movstrSI32, __movmemSI32 __movmemSI32: mov.l @(28,r5),r0 mov.l r0,@(28,r4) .global __movmemSI28 .global __movstrSI28 .set __movstrSI28, __movmemSI28 __movmemSI28: mov.l @(24,r5),r0 mov.l r0,@(24,r4) .global __movmemSI24 .global __movstrSI24 .set __movstrSI24, __movmemSI24 __movmemSI24: mov.l @(20,r5),r0 mov.l r0,@(20,r4) .global __movmemSI20 .global __movstrSI20 .set __movstrSI20, __movmemSI20 __movmemSI20: mov.l @(16,r5),r0 mov.l r0,@(16,r4) .global __movmemSI16 .global __movstrSI16 .set __movstrSI16, __movmemSI16 __movmemSI16: mov.l @(12,r5),r0 mov.l r0,@(12,r4) .global __movmemSI12 .global __movstrSI12 .set __movstrSI12, __movmemSI12 __movmemSI12: mov.l @(8,r5),r0 mov.l r0,@(8,r4) .global __movmemSI8 .global __movstrSI8 .set __movstrSI8, __movmemSI8 __movmemSI8: mov.l @(4,r5),r0 mov.l r0,@(4,r4) .global __movmemSI4 .global __movstrSI4 .set __movstrSI4, __movmemSI4 __movmemSI4: mov.l @(0,r5),r0 rts mov.l r0,@(0,r4) .global __movmem_i4_even .global __movstr_i4_even .set __movstr_i4_even, __movmem_i4_even .global __movmem_i4_odd .global __movstr_i4_odd .set __movstr_i4_odd, __movmem_i4_odd .global __movmemSI12_i4 .global __movstrSI12_i4 .set __movstrSI12_i4, __movmemSI12_i4 .p2align 5 L_movmem_2mod4_end: mov.l r0,@(16,r4) rts mov.l r1,@(20,r4) .p2align 2 __movmem_i4_even: mov.l @r5+,r0 bra L_movmem_start_even mov.l @r5+,r1 __movmem_i4_odd: mov.l @r5+,r1 add #-4,r4 mov.l @r5+,r2 mov.l @r5+,r3 mov.l r1,@(4,r4) mov.l r2,@(8,r4) L_movmem_loop: mov.l r3,@(12,r4) dt r6 mov.l @r5+,r0 bt/s L_movmem_2mod4_end mov.l @r5+,r1 add #16,r4 L_movmem_start_even: mov.l @r5+,r2 mov.l @r5+,r3 mov.l r0,@r4 dt r6 mov.l r1,@(4,r4) bf/s L_movmem_loop mov.l r2,@(8,r4) rts mov.l r3,@(12,r4) .p2align 4 __movmemSI12_i4: mov.l @r5,r0 mov.l @(4,r5),r1 mov.l @(8,r5),r2 mov.l r0,@r4 mov.l r1,@(4,r4) rts mov.l r2,@(8,r4) |