target/linux/etrax/patches/cris/006-gcc-4.patch

   1 diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/lib/memset.c linux-2.6.19.2/arch/cris/arch-v10/lib/memset.c
   2 --- linux-2.6.19.2.orig/arch/cris/arch-v10/lib/memset.c 2007-06-03 13:59:39.000000000 +0200
   3 +++ linux-2.6.19.2/arch/cris/arch-v10/lib/memset.c      2007-06-03 14:11:43.000000000 +0200
   4 @@ -110,45 +110,28 @@
   5        If you want to check that the allocation was right; then
   6        check the equalities in the first comment.  It should say
   7        "r13=r13, r12=r12, r11=r11" */
   8 -    __asm__ volatile ("
   9 -        ;; Check that the following is true (same register names on
  10 -        ;; both sides of equal sign, as in r8=r8):
  11 -        ;; %0=r13, %1=r12, %4=r11
  12 -        ;;
  13 -       ;; Save the registers we'll clobber in the movem process
  14 -       ;; on the stack.  Don't mention them to gcc, it will only be
  15 -       ;; upset.
  16 -       subq    11*4,$sp
  17 -        movem   $r10,[$sp]
  18 -
  19 -        move.d  $r11,$r0
  20 -        move.d  $r11,$r1
  21 -        move.d  $r11,$r2
  22 -        move.d  $r11,$r3
  23 -        move.d  $r11,$r4
  24 -        move.d  $r11,$r5
  25 -        move.d  $r11,$r6
  26 -        move.d  $r11,$r7
  27 -        move.d  $r11,$r8
  28 -        move.d  $r11,$r9
  29 -        move.d  $r11,$r10
  30 -
  31 -        ;; Now we've got this:
  32 -       ;; r13 - dst
  33 -       ;; r12 - n
  34 +    __asm__ volatile (
  35 +       "subq   11*4,$sp\n\t"
  36 +        "movem   $r10,[$sp]\n\t"
  37 +        "move.d  $r11,$r0\n\t"
  38 +        "move.d  $r11,$r1\n\t"
  39 +        "move.d  $r11,$r2\n\t"
  40 +        "move.d  $r11,$r3\n\t"
  41 +        "move.d  $r11,$r4\n\t"
  42 +        "move.d  $r11,$r5\n\t"
  43 +        "move.d  $r11,$r6\n\t"
  44 +        "move.d  $r11,$r7\n\t"
  45 +        "move.d  $r11,$r8\n\t"
  46 +        "move.d  $r11,$r9\n\t"
  47 +        "move.d  $r11,$r10\n\t"
  48 +        "subq    12*4,$r12\n\t"
  49 +"0:\n\t"
  50 +       "subq   12*4,$r12\n\t"
  51 +        "bge     0b\n\t"
  52 +       "movem  $r11,[$r13+]\n\t"
  53 +        "addq   12*4,$r12\n\t"
  54 +        "movem [$sp+],$r10"
  55
  56 -        ;; Update n for the first loop
  57 -        subq    12*4,$r12
  58 -0:
  59 -        subq   12*4,$r12
  60 -        bge     0b
  61 -       movem   $r11,[$r13+]
  62 -
  63 -        addq   12*4,$r12  ;; compensate for last loop underflowing n
  64 -
  65 -       ;; Restore registers from stack
  66 -        movem [$sp+],$r10"
  67 -
  68       /* Outputs */ : "=r" (dst), "=r" (n)
  69       /* Inputs */ : "0" (dst), "1" (n), "r" (lc));
  70
  71 @@ -161,10 +144,14 @@
  72
  73      while ( n >= 16 )
  74      {
  75 -      *((long*)dst)++ = lc;
  76 -      *((long*)dst)++ = lc;
  77 -      *((long*)dst)++ = lc;
  78 -      *((long*)dst)++ = lc;
  79 +      *((long*)dst) = lc;
  80 +      dst+=4;
  81 +      *((long*)dst) = lc;
  82 +      dst+=4;
  83 +      *((long*)dst) = lc;
  84 +      dst+=4;
  85 +      *((long*)dst) = lc;
  86 +      dst+=4;
  87        n -= 16;
  88      }
  89
  90 @@ -182,67 +169,95 @@
  91          *(short*)dst = (short) lc;
  92          break;
  93        case 3:
  94 -        *((short*)dst)++ = (short) lc;
  95 +        *((short*)dst) = (short) lc;
  96 +       dst+=2;
  97          *(char*)dst = (char) lc;
  98          break;
  99        case 4:
 100 -        *((long*)dst)++ = lc;
 101 +        *((long*)dst) = lc;
 102 +       dst+=4;
 103          break;
 104        case 5:
 105 -        *((long*)dst)++ = lc;
 106 +        *((long*)dst) = lc;
 107 +       dst+=4;
 108          *(char*)dst = (char) lc;
 109          break;
 110        case 6:
 111 -        *((long*)dst)++ = lc;
 112 +        *((long*)dst) = lc;
 113 +       dst+=4;
 114          *(short*)dst = (short) lc;
 115          break;
 116        case 7:
 117 -        *((long*)dst)++ = lc;
 118 -        *((short*)dst)++ = (short) lc;
 119 +        *((long*)dst) = lc;
 120 +       dst+=4;
 121 +        *((short*)dst) = (short) lc;
 122 +       dst+=2;
 123          *(char*)dst = (char) lc;
 124          break;
 125        case 8:
 126 -        *((long*)dst)++ = lc;
 127 -        *((long*)dst)++ = lc;
 128 +        *((long*)dst) = lc;
 129 +       dst+=4;
 130 +        *((long*)dst) = lc;
 131 +       dst+=4;
 132          break;
 133        case 9:
 134 -        *((long*)dst)++ = lc;
 135 -        *((long*)dst)++ = lc;
 136 +        *((long*)dst) = lc;
 137 +       dst+=4;
 138 +        *((long*)dst) = lc;
 139 +       dst+=4;
 140          *(char*)dst = (char) lc;
 141          break;
 142        case 10:
 143 -        *((long*)dst)++ = lc;
 144 -        *((long*)dst)++ = lc;
 145 +        *((long*)dst) = lc;
 146 +       dst+=4;
 147 +        *((long*)dst) = lc;
 148 +       dst+=4;
 149          *(short*)dst = (short) lc;
 150          break;
 151        case 11:
 152 -        *((long*)dst)++ = lc;
 153 -        *((long*)dst)++ = lc;
 154 -        *((short*)dst)++ = (short) lc;
 155 +        *((long*)dst) = lc;
 156 +       dst+=4;
 157 +        *((long*)dst) = lc;
 158 +       dst+=4;
 159 +        *((short*)dst) = (short) lc;
 160 +       dst+=2;
 161          *(char*)dst = (char) lc;
 162          break;
 163        case 12:
 164 -        *((long*)dst)++ = lc;
 165 -        *((long*)dst)++ = lc;
 166 -        *((long*)dst)++ = lc;
 167 +        *((long*)dst) = lc;
 168 +       dst+=4;
 169 +        *((long*)dst) = lc;
 170 +       dst+=4;
 171 +        *((long*)dst) = lc;
 172 +       dst+=4;
 173          break;
 174        case 13:
 175 -        *((long*)dst)++ = lc;
 176 -        *((long*)dst)++ = lc;
 177 -        *((long*)dst)++ = lc;
 178 +        *((long*)dst) = lc;
 179 +       dst+=4;
 180 +        *((long*)dst) = lc;
 181 +       dst+=4;
 182 +        *((long*)dst) = lc;
 183 +       dst+=4;
 184          *(char*)dst = (char) lc;
 185          break;
 186        case 14:
 187 -        *((long*)dst)++ = lc;
 188 -        *((long*)dst)++ = lc;
 189 -        *((long*)dst)++ = lc;
 190 +        *((long*)dst) = lc;
 191 +       dst+=4;
 192 +        *((long*)dst) = lc;
 193 +       dst+=4;
 194 +        *((long*)dst) = lc;
 195 +       dst+=4;
 196          *(short*)dst = (short) lc;
 197          break;
 198        case 15:
 199 -        *((long*)dst)++ = lc;
 200 -        *((long*)dst)++ = lc;
 201 -        *((long*)dst)++ = lc;
 202 -        *((short*)dst)++ = (short) lc;
 203 +        *((long*)dst) = lc;
 204 +       dst+=4;
 205 +        *((long*)dst) = lc;
 206 +       dst+=4;
 207 +        *((long*)dst) = lc;
 208 +       dst+=4;
 209 +        *((short*)dst) = (short) lc;
 210 +       dst+=2;
 211          *(char*)dst = (char) lc;
 212          break;
 213      }
 214 diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/lib/string.c linux-2.6.19.2/arch/cris/arch-v10/lib/string.c
 215 --- linux-2.6.19.2.orig/arch/cris/arch-v10/lib/string.c 2007-06-03 13:59:39.000000000 +0200
 216 +++ linux-2.6.19.2/arch/cris/arch-v10/lib/string.c      2007-06-03 14:21:02.000000000 +0200
 217 @@ -95,37 +95,19 @@
 218        If you want to check that the allocation was right; then
 219        check the equalities in the first comment.  It should say
 220        "r13=r13, r11=r11, r12=r12" */
 221 -    __asm__ volatile ("
 222 -        ;; Check that the following is true (same register names on
 223 -        ;; both sides of equal sign, as in r8=r8):
 224 -        ;; %0=r13, %1=r11, %2=r12
 225 -        ;;
 226 -       ;; Save the registers we'll use in the movem process
 227 -       ;; on the stack.
 228 -       subq    11*4,$sp
 229 -       movem   $r10,[$sp]
 230 -
 231 -        ;; Now we've got this:
 232 -       ;; r11 - src
 233 -       ;; r13 - dst
 234 -       ;; r12 - n
 235 -
 236 -        ;; Update n for the first loop
 237 -        subq    44,$r12
 238 -0:
 239 -       movem   [$r11+],$r10
 240 -        subq   44,$r12
 241 -        bge     0b
 242 -       movem   $r10,[$r13+]
 243 -
 244 -        addq   44,$r12  ;; compensate for last loop underflowing n
 245 -
 246 -       ;; Restore registers from stack
 247 -        movem [$sp+],$r10"
 248 -
 249 +    __asm__ volatile (
 250 +       "subq   11*4,$sp\n\t"
 251 +       "movem  $r10,[$sp]\n\t"
 252 +        "subq    44,$r12\n\t"
 253 +"0:\n\t"
 254 +       "movem  [$r11+],$r10\n\t"
 255 +        "subq   44,$r12\n\t"
 256 +        "bge     0b\n\t"
 257 +       "movem  $r10,[$r13+]\n\t"
 258 +        "addq   44,$r12\n\t"
 259 +        "movem [$sp+],$r10\n\t"
 260       /* Outputs */ : "=r" (dst), "=r" (src), "=r" (n)
 261       /* Inputs */ : "0" (dst), "1" (src), "2" (n));
 262 -
 263    }
 264
 265    /* Either we directly starts copying, using dword copying
 266 @@ -135,10 +117,14 @@
 267
 268    while ( n >= 16 )
 269    {
 270 -    *((long*)dst)++ = *((long*)src)++;
 271 -    *((long*)dst)++ = *((long*)src)++;
 272 -    *((long*)dst)++ = *((long*)src)++;
 273 -    *((long*)dst)++ = *((long*)src)++;
 274 +    *((long*)dst) = *((long*)src);
 275 +    src+=4;dst+=4;
 276 +    *((long*)dst) = *((long*)src);
 277 +    src+=4;dst+=4;
 278 +    *((long*)dst) = *((long*)src);
 279 +    src+=4;dst+=4;
 280 +    *((long*)dst) = *((long*)src);
 281 +    src+=4;dst+=4;
 282      n -= 16;
 283    }
 284
 285 @@ -156,67 +142,95 @@
 286        *(short*)dst = *(short*)src;
 287        break;
 288      case 3:
 289 -      *((short*)dst)++ = *((short*)src)++;
 290 +      *((short*)dst) = *((short*)src);
 291 +      src+=2;dst+=2;
 292        *(char*)dst = *(char*)src;
 293        break;
 294      case 4:
 295 -      *((long*)dst)++ = *((long*)src)++;
 296 +      *((long*)dst) = *((long*)src);
 297 +      src+=4;dst+=4;
 298        break;
 299      case 5:
 300 -      *((long*)dst)++ = *((long*)src)++;
 301 +      *((long*)dst) = *((long*)src);
 302 +      src+=4;dst+=4;
 303        *(char*)dst = *(char*)src;
 304        break;
 305      case 6:
 306 -      *((long*)dst)++ = *((long*)src)++;
 307 +      *((long*)dst) = *((long*)src);
 308 +      src+=4;dst+=4;
 309        *(short*)dst = *(short*)src;
 310        break;
 311      case 7:
 312 -      *((long*)dst)++ = *((long*)src)++;
 313 -      *((short*)dst)++ = *((short*)src)++;
 314 +      *((long*)dst) = *((long*)src);
 315 +      src+=4;dst+=4;
 316 +      *((short*)dst) = *((short*)src);
 317 +      src+=2;dst+=2;
 318        *(char*)dst = *(char*)src;
 319        break;
 320      case 8:
 321 -      *((long*)dst)++ = *((long*)src)++;
 322 -      *((long*)dst)++ = *((long*)src)++;
 323 +      *((long*)dst) = *((long*)src);
 324 +      src+=4;dst+=4;
 325 +      *((long*)dst) = *((long*)src);
 326 +      src+=4;dst+=4;
 327        break;
 328      case 9:
 329 -      *((long*)dst)++ = *((long*)src)++;
 330 -      *((long*)dst)++ = *((long*)src)++;
 331 +      *((long*)dst) = *((long*)src);
 332 +      src+=4;dst+=4;
 333 +      *((long*)dst) = *((long*)src);
 334 +      src+=4;dst+=4;
 335        *(char*)dst = *(char*)src;
 336        break;
 337      case 10:
 338 -      *((long*)dst)++ = *((long*)src)++;
 339 -      *((long*)dst)++ = *((long*)src)++;
 340 +      *((long*)dst) = *((long*)src);
 341 +      src+=4;dst+=4;
 342 +      *((long*)dst) = *((long*)src);
 343 +      src+=4;dst+=4;
 344        *(short*)dst = *(short*)src;
 345        break;
 346      case 11:
 347 -      *((long*)dst)++ = *((long*)src)++;
 348 -      *((long*)dst)++ = *((long*)src)++;
 349 -      *((short*)dst)++ = *((short*)src)++;
 350 +      *((long*)dst) = *((long*)src);
 351 +      src+=4;dst+=4;
 352 +      *((long*)dst) = *((long*)src);
 353 +      src+=4;dst+=4;
 354 +      *((short*)dst) = *((short*)src);
 355 +      src+=2;dst+=2;
 356        *(char*)dst = *(char*)src;
 357        break;
 358      case 12:
 359 -      *((long*)dst)++ = *((long*)src)++;
 360 -      *((long*)dst)++ = *((long*)src)++;
 361 -      *((long*)dst)++ = *((long*)src)++;
 362 +      *((long*)dst) = *((long*)src);
 363 +      src+=4;dst+=4;
 364 +      *((long*)dst) = *((long*)src);
 365 +      src+=4;dst+=4;
 366 +      *((long*)dst) = *((long*)src);
 367 +      src+=4;dst+=4;
 368        break;
 369      case 13:
 370 -      *((long*)dst)++ = *((long*)src)++;
 371 -      *((long*)dst)++ = *((long*)src)++;
 372 -      *((long*)dst)++ = *((long*)src)++;
 373 +      *((long*)dst) = *((long*)src);
 374 +      src+=4;dst+=4;
 375 +      *((long*)dst) = *((long*)src);
 376 +      src+=4;dst+=4;
 377 +      *((long*)dst) = *((long*)src);
 378 +      src+=4;dst+=4;
 379        *(char*)dst = *(char*)src;
 380        break;
 381      case 14:
 382 -      *((long*)dst)++ = *((long*)src)++;
 383 -      *((long*)dst)++ = *((long*)src)++;
 384 -      *((long*)dst)++ = *((long*)src)++;
 385 +      *((long*)dst) = *((long*)src);
 386 +      src+=4;dst+=4;
 387 +      *((long*)dst) = *((long*)src);
 388 +      src+=4;dst+=4;
 389 +      *((long*)dst) = *((long*)src);
 390 +      src+=4;dst+=4;
 391        *(short*)dst = *(short*)src;
 392        break;
 393      case 15:
 394 -      *((long*)dst)++ = *((long*)src)++;
 395 -      *((long*)dst)++ = *((long*)src)++;
 396 -      *((long*)dst)++ = *((long*)src)++;
 397 -      *((short*)dst)++ = *((short*)src)++;
 398 +      *((long*)dst) = *((long*)src);
 399 +      src+=4;dst+=4;
 400 +      *((long*)dst) = *((long*)src);
 401 +      src+=4;dst+=4;
 402 +      *((long*)dst) = *((long*)src);
 403 +      src+=4;dst+=4;
 404 +      *((short*)dst) = *((short*)src);
 405 +      src+=2;dst+=2;
 406        *(char*)dst = *(char*)src;
 407        break;
 408    }
 409 diff -urN linux-2.6.19.2.orig/arch/cris/arch-v10/lib/usercopy.c linux-2.6.19.2/arch/cris/arch-v10/lib/usercopy.c
 410 --- linux-2.6.19.2.orig/arch/cris/arch-v10/lib/usercopy.c       2007-06-03 13:59:39.000000000 +0200
 411 +++ linux-2.6.19.2/arch/cris/arch-v10/lib/usercopy.c    2007-06-03 14:25:55.000000000 +0200
 412 @@ -88,63 +88,38 @@
 413         If you want to check that the allocation was right; then
 414         check the equalities in the first comment.  It should say
 415         "r13=r13, r11=r11, r12=r12".  */
 416 -    __asm__ volatile ("\
 417 -       .ifnc %0%1%2%3,$r13$r11$r12$r10                                 \n\
 418 -       .err                                                            \n\
 419 -       .endif                                                          \n\
 420 -
 421 -       ;; Save the registers we'll use in the movem process
 422 -       ;; on the stack.
 423 -       subq    11*4,$sp
 424 -       movem   $r10,[$sp]
 425 -
 426 -       ;; Now we've got this:
 427 -       ;; r11 - src
 428 -       ;; r13 - dst
 429 -       ;; r12 - n
 430 -
 431 -       ;; Update n for the first loop
 432 -       subq    44,$r12
 433 -
 434 -; Since the noted PC of a faulting instruction in a delay-slot of a taken
 435 -; branch, is that of the branch target, we actually point at the from-movem
 436 -; for this case.  There is no ambiguity here; if there was a fault in that
 437 -; instruction (meaning a kernel oops), the faulted PC would be the address
 438 -; after *that* movem.
 439 -
 440 -0:
 441 -       movem   [$r11+],$r10
 442 -       subq   44,$r12
 443 -       bge     0b
 444 -       movem   $r10,[$r13+]
 445 -1:
 446 -       addq   44,$r12  ;; compensate for last loop underflowing n
 447 -
 448 -       ;; Restore registers from stack
 449 -       movem [$sp+],$r10
 450 -2:
 451 -       .section .fixup,\"ax\"
 452 -
 453 -; To provide a correct count in r10 of bytes that failed to be copied,
 454 -; we jump back into the loop if the loop-branch was taken.  There is no
 455 -; performance penalty for sany use; the program will segfault soon enough.
 456 -
 457 -3:
 458 -       move.d [$sp],$r10
 459 -       addq 44,$r10
 460 -       move.d $r10,[$sp]
 461 -       jump 0b
 462 -4:
 463 -       movem [$sp+],$r10
 464 -       addq 44,$r10
 465 -       addq 44,$r12
 466 -       jump 2b
 467 -
 468 -       .previous
 469 -       .section __ex_table,\"a\"
 470 -       .dword 0b,3b
 471 -       .dword 1b,4b
 472 -       .previous"
 473 +    __asm__ volatile (
 474 +       ".ifnc %0%1%2%3,$r13$r11$r12$r10        \n\t"
 475 +       ".err                           \n\t"
 476 +       ".endif                 \n\t"
 477 +       "subq   11*4,$sp\n\t"
 478 +       "movem  $r10,[$sp]\n\t"
 479 +       "subq   44,$r12\n\t"
 480 +       "0:\n\t"
 481 +       "movem  [$r11+],$r10\n\t"
 482 +       "subq   44,$r12\n\t"
 483 +       "bge    0b\n\t"
 484 +       "movem  $r10,[$r13+]\n\t"
 485 +       "1:\n\t"
 486 +       "addq   44,$r12  \n\t"
 487 +       "movem [$sp+],$r10\n\t"
 488 +       "2:\n\t"
 489 +       ".section .fixup,\"ax\"\n\t"
 490 +       "3:\n\t"
 491 +       "move.d [$sp],$r10\n\t"
 492 +       "addq 44,$r10\n\t"
 493 +       "move.d $r10,[$sp]\n\t"
 494 +       "jump 0b\n\t"
 495 +       "4:\n\t"
 496 +       "movem [$sp+],$r10\n\t"
 497 +       "addq 44,$r10\n\t"
 498 +       "addq 44,$r12\n\t"
 499 +       "jump 2b\n\t"
 500 +       ".previous\n\t"
 501 +       ".section __ex_table,\"a\"\n\t"
 502 +       ".dword 0b,3b\n\t"
 503 +       ".dword 1b,4b\n\t"
 504 +       ".previous\n\t"
 505
 506       /* Outputs */ : "=r" (dst), "=r" (src), "=r" (n), "=r" (retn)
 507       /* Inputs */ : "0" (dst), "1" (src), "2" (n), "3" (retn));
 508 @@ -253,60 +228,32 @@
 509         If you want to check that the allocation was right; then
 510         check the equalities in the first comment.  It should say
 511         "r13=r13, r11=r11, r12=r12" */
 512 -    __asm__ volatile ("
 513 -       .ifnc %0%1%2%3,$r13$r11$r12$r10                                 \n\
 514 -       .err                                                            \n\
 515 -       .endif                                                          \n\
 516 -
 517 -       ;; Save the registers we'll use in the movem process
 518 -       ;; on the stack.
 519 -       subq    11*4,$sp
 520 -       movem   $r10,[$sp]
 521 -
 522 -       ;; Now we've got this:
 523 -       ;; r11 - src
 524 -       ;; r13 - dst
 525 -       ;; r12 - n
 526 -
 527 -       ;; Update n for the first loop
 528 -       subq    44,$r12
 529 -0:
 530 -       movem   [$r11+],$r10
 531 -1:
 532 -       subq   44,$r12
 533 -       bge     0b
 534 -       movem   $r10,[$r13+]
 535 -
 536 -       addq   44,$r12  ;; compensate for last loop underflowing n
 537 -
 538 -       ;; Restore registers from stack
 539 -       movem [$sp+],$r10
 540 -4:
 541 -       .section .fixup,\"ax\"
 542 -
 543 -;; Do not jump back into the loop if we fail.  For some uses, we get a
 544 -;; page fault somewhere on the line.  Without checking for page limits,
 545 -;; we don't know where, but we need to copy accurately and keep an
 546 -;; accurate count; not just clear the whole line.  To do that, we fall
 547 -;; down in the code below, proceeding with smaller amounts.  It should
 548 -;; be kept in mind that we have to cater to code like what at one time
 549 -;; was in fs/super.c:
 550 -;;  i = size - copy_from_user((void *)page, data, size);
 551 -;; which would cause repeated faults while clearing the remainder of
 552 -;; the SIZE bytes at PAGE after the first fault.
 553 -;; A caveat here is that we must not fall through from a failing page
 554 -;; to a valid page.
 555 -
 556 -3:
 557 -       movem  [$sp+],$r10
 558 -       addq    44,$r12 ;; Get back count before faulting point.
 559 -       subq    44,$r11 ;; Get back pointer to faulting movem-line.
 560 -       jump    4b      ;; Fall through, pretending the fault didn't happen.
 561 -
 562 -       .previous
 563 -       .section __ex_table,\"a\"
 564 -       .dword 1b,3b
 565 -       .previous"
 566 +    __asm__ volatile (
 567 +       ".ifnc %0%1%2%3,$r13$r11$r12$r10                \n\t"
 568 +       ".err                                   \n\t"
 569 +       ".endif                         \n\t"
 570 +       "subq   11*4,$sp\n\t"
 571 +       "movem  $r10,[$sp]\n\t"
 572 +       "subq   44,$r12\n\t"
 573 +       "0:\n\t"
 574 +       "movem  [$r11+],$r10\n\t"
 575 +       "1:\n\t"
 576 +       "subq   44,$r12\n\t"
 577 +       "bge    0b\n\t"
 578 +       "movem  $r10,[$r13+]\n\t"
 579 +       "addq   44,$r12  \n\t"
 580 +       "movem [$sp+],$r10\n\t"
 581 +       "4:\n\t"
 582 +       ".section .fixup,\"ax\"\n\t"
 583 +       "3:\n\t"
 584 +       "movem  [$sp+],$r10\n\t"
 585 +       "addq   44,$r12\n\t"
 586 +       "subq   44,$r11\n\t"
 587 +       "jump   4b      \n\t"
 588 +       ".previous\n\t"
 589 +       ".section __ex_table,\"a\"\n\t"
 590 +       ".dword 1b,3b\n\t"
 591 +       ".previous\n\t"
 592
 593       /* Outputs */ : "=r" (dst), "=r" (src), "=r" (n), "=r" (retn)
 594       /* Inputs */ : "0" (dst), "1" (src), "2" (n), "3" (retn));
 595 @@ -425,66 +372,50 @@
 596        If you want to check that the allocation was right; then
 597        check the equalities in the first comment.  It should say
 598        something like "r13=r13, r11=r11, r12=r12". */
 599 -    __asm__ volatile ("
 600 -       .ifnc %0%1%2,$r13$r12$r10                                       \n\
 601 -       .err                                                            \n\
 602 -       .endif                                                          \n\
 603 -
 604 -       ;; Save the registers we'll clobber in the movem process
 605 -       ;; on the stack.  Don't mention them to gcc, it will only be
 606 -       ;; upset.
 607 -       subq    11*4,$sp
 608 -       movem   $r10,[$sp]
 609 -
 610 -       clear.d $r0
 611 -       clear.d $r1
 612 -       clear.d $r2
 613 -       clear.d $r3
 614 -       clear.d $r4
 615 -       clear.d $r5
 616 -       clear.d $r6
 617 -       clear.d $r7
 618 -       clear.d $r8
 619 -       clear.d $r9
 620 -       clear.d $r10
 621 -       clear.d $r11
 622 -
 623 -       ;; Now we've got this:
 624 -       ;; r13 - dst
 625 -       ;; r12 - n
 626 -
 627 -       ;; Update n for the first loop
 628 -       subq    12*4,$r12
 629 -0:
 630 -       subq   12*4,$r12
 631 -       bge     0b
 632 -       movem   $r11,[$r13+]
 633 -1:
 634 -       addq   12*4,$r12        ;; compensate for last loop underflowing n
 635 -
 636 -       ;; Restore registers from stack
 637 -       movem [$sp+],$r10
 638 -2:
 639 -       .section .fixup,\"ax\"
 640 -3:
 641 -       move.d [$sp],$r10
 642 -       addq 12*4,$r10
 643 -       move.d $r10,[$sp]
 644 -       clear.d $r10
 645 -       jump 0b
 646 -
 647 -4:
 648 -       movem [$sp+],$r10
 649 -       addq 12*4,$r10
 650 -       addq 12*4,$r12
 651 -       jump 2b
 652 -
 653 -       .previous
 654 -       .section __ex_table,\"a\"
 655 -       .dword 0b,3b
 656 -       .dword 1b,4b
 657 -       .previous"
 658 -
 659 +    __asm__ volatile (
 660 +       ".ifnc %0%1%2,$r13$r12$r10\n\t"
 661 +       ".err                           \n\t"
 662 +       ".endif\n\t"
 663 +       "subq   11*4,$sp\n\t"
 664 +       "movem  $r10,[$sp]\n\t"
 665 +       "clear.d $r0\n\t"
 666 +       "clear.d $r1\n\t"
 667 +       "clear.d $r2\n\t"
 668 +       "clear.d $r3\n\t"
 669 +       "clear.d $r4\n\t"
 670 +       "clear.d $r5\n\t"
 671 +       "clear.d $r6\n\t"
 672 +       "clear.d $r7\n\t"
 673 +       "clear.d $r8\n\t"
 674 +       "clear.d $r9\n\t"
 675 +       "clear.d $r10\n\t"
 676 +       "clear.d $r11\n\t"
 677 +       "subq   12*4,$r12\n\t"
 678 +       "0:\n\t"
 679 +       "subq   12*4,$r12\n\t"
 680 +       "bge    0b\n\t"
 681 +       "movem  $r11,[$r13+]\n\t"
 682 +       "1:     \n\t"
 683 +       "addq   12*4,$r12        \n\t"
 684 +       "movem [$sp+],$r10\n\t"
 685 +       "2:\n\t"
 686 +       ".section .fixup,\"ax\"\n\t"
 687 +       "3:\n\t"
 688 +       "move.d [$sp],$r10\n\t"
 689 +       "addq 12*4,$r10\n\t"
 690 +       "move.d $r10,[$sp]\n\t"
 691 +       "clear.d $r10\n\t"
 692 +       "jump 0b\n\t"
 693 +       "4:\n\t"
 694 +       "movem [$sp+],$r10\n\t"
 695 +       "addq 12*4,$r10\n\t"
 696 +       "addq 12*4,$r12\n\t"
 697 +       "jump 2b\n\t"
 698 +       ".previous\n\t"
 699 +       ".section __ex_table,\"a\"\n\t"
 700 +       ".dword 0b,3b\n\t"
 701 +       ".dword 1b,4b\n\t"
 702 +       ".previous\n\t"
 703       /* Outputs */ : "=r" (dst), "=r" (n), "=r" (retn)
 704       /* Inputs */ : "0" (dst), "1" (n), "2" (retn)
 705       /* Clobber */ : "r11");