reactos/dll/opengl/mesa/x86/x86_xform2.S

   1
   2 /*
   3  * Mesa 3-D graphics library
   4  * Version:  3.5
   5  *
   6  * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the "Software"),
  10  * to deal in the Software without restriction, including without limitation
  11  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  12  * and/or sell copies of the Software, and to permit persons to whom the
  13  * Software is furnished to do so, subject to the following conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be included
  16  * in all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  21  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  22  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  23  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 /*
  27  * NOTE: Avoid using spaces in between '(' ')' and arguments, especially
  28  * with macros like CONST, LLBL that expand to CONCAT(...).  Putting spaces
  29  * in there will break the build on some platforms.
  30  */
  31
  32 #include "assyntax.h"
  33 #include "matypes.h"
  34 #include "xform_args.h"
  35
  36         SEG_TEXT
  37
  38 #define FP_ONE          1065353216
  39 #define FP_ZERO         0
  40
  41 #define SRC0            REGOFF(0, ESI)
  42 #define SRC1            REGOFF(4, ESI)
  43 #define SRC2            REGOFF(8, ESI)
  44 #define SRC3            REGOFF(12, ESI)
  45 #define DST0            REGOFF(0, EDI)
  46 #define DST1            REGOFF(4, EDI)
  47 #define DST2            REGOFF(8, EDI)
  48 #define DST3            REGOFF(12, EDI)
  49 #define MAT0            REGOFF(0, EDX)
  50 #define MAT1            REGOFF(4, EDX)
  51 #define MAT2            REGOFF(8, EDX)
  52 #define MAT3            REGOFF(12, EDX)
  53 #define MAT4            REGOFF(16, EDX)
  54 #define MAT5            REGOFF(20, EDX)
  55 #define MAT6            REGOFF(24, EDX)
  56 #define MAT7            REGOFF(28, EDX)
  57 #define MAT8            REGOFF(32, EDX)
  58 #define MAT9            REGOFF(36, EDX)
  59 #define MAT10           REGOFF(40, EDX)
  60 #define MAT11           REGOFF(44, EDX)
  61 #define MAT12           REGOFF(48, EDX)
  62 #define MAT13           REGOFF(52, EDX)
  63 #define MAT14           REGOFF(56, EDX)
  64 #define MAT15           REGOFF(60, EDX)
  65
  66
  67 ALIGNTEXT16
  68 GLOBL GLNAME( _mesa_x86_transform_points2_general )
  69 HIDDEN(_mesa_x86_transform_points2_general)
  70 GLNAME( _mesa_x86_transform_points2_general ):
  71
  72 #define FRAME_OFFSET 8
  73         PUSH_L( ESI )
  74         PUSH_L( EDI )
  75
  76         MOV_L( ARG_SOURCE, ESI )
  77         MOV_L( ARG_DEST, EDI )
  78
  79         MOV_L( ARG_MATRIX, EDX )
  80         MOV_L( REGOFF(V4F_COUNT, ESI), ECX )
  81
  82         TEST_L( ECX, ECX )
  83         JZ( LLBL(x86_p2_gr_done) )
  84
  85         MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )
  86         OR_L( CONST(VEC_SIZE_4), REGOFF(V4F_FLAGS, EDI) )
  87
  88         MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )
  89         MOV_L( CONST(4), REGOFF(V4F_SIZE, EDI) )
  90
  91         SHL_L( CONST(4), ECX )
  92         MOV_L( REGOFF(V4F_START, ESI), ESI )
  93
  94         MOV_L( REGOFF(V4F_START, EDI), EDI )
  95         ADD_L( EDI, ECX )
  96
  97 ALIGNTEXT16
  98 LLBL(x86_p2_gr_loop):
  99
 100         FLD_S( SRC0 )                   /* F4 */
 101         FMUL_S( MAT0 )
 102         FLD_S( SRC0 )                   /* F5 F4 */
 103         FMUL_S( MAT1 )
 104         FLD_S( SRC0 )                   /* F6 F5 F4 */
 105         FMUL_S( MAT2 )
 106         FLD_S( SRC0 )                   /* F7 F6 F5 F4 */
 107         FMUL_S( MAT3 )
 108
 109         FLD_S( SRC1 )                   /* F0 F7 F6 F5 F4 */
 110         FMUL_S( MAT4 )
 111         FLD_S( SRC1 )                   /* F1 F0 F7 F6 F5 F4 */
 112         FMUL_S( MAT5 )
 113         FLD_S( SRC1 )                   /* F2 F1 F0 F7 F6 F5 F4 */
 114         FMUL_S( MAT6 )
 115         FLD_S( SRC1 )                   /* F3 F2 F1 F0 F7 F6 F5 F4 */
 116         FMUL_S( MAT7 )
 117
 118         FXCH( ST(3) )                   /* F0 F2 F1 F3 F7 F6 F5 F4 */
 119         FADDP( ST0, ST(7) )             /* F2 F1 F3 F7 F6 F5 F4 */
 120         FXCH( ST(1) )                   /* F1 F2 F3 F7 F6 F5 F4 */
 121         FADDP( ST0, ST(5) )             /* F2 F3 F7 F6 F5 F4 */
 122         FADDP( ST0, ST(3) )             /* F3 F7 F6 F5 F4 */
 123         FADDP( ST0, ST(1) )             /* F7 F6 F5 F4 */
 124
 125         FXCH( ST(3) )                   /* F4 F6 F5 F7 */
 126         FADD_S( MAT12 )
 127         FXCH( ST(2) )                   /* F5 F6 F4 F7 */
 128         FADD_S( MAT13 )
 129         FXCH( ST(1) )                   /* F6 F5 F4 F7 */
 130         FADD_S( MAT14 )
 131         FXCH( ST(3) )                   /* F7 F5 F4 F6 */
 132         FADD_S( MAT15 )
 133
 134         FXCH( ST(2) )                   /* F4 F5 F7 F6 */
 135         FSTP_S( DST0 )                  /* F5 F7 F6 */
 136         FSTP_S( DST1 )                  /* F7 F6 */
 137         FXCH( ST(1) )                   /* F6 F7 */
 138         FSTP_S( DST2 )                  /* F7 */
 139         FSTP_S( DST3 )                  /* */
 140
 141 LLBL(x86_p2_gr_skip):
 142
 143         ADD_L( CONST(16), EDI )
 144         ADD_L( EAX, ESI )
 145         CMP_L( ECX, EDI )
 146         JNE( LLBL(x86_p2_gr_loop) )
 147
 148 LLBL(x86_p2_gr_done):
 149
 150         POP_L( EDI )
 151         POP_L( ESI )
 152         RET
 153 #undef FRAME_OFFSET
 154
 155
 156
 157
 158 ALIGNTEXT16
 159 GLOBL GLNAME( _mesa_x86_transform_points2_perspective )
 160 HIDDEN(_mesa_x86_transform_points2_perspective)
 161 GLNAME( _mesa_x86_transform_points2_perspective ):
 162
 163 #define FRAME_OFFSET 12
 164         PUSH_L( ESI )
 165         PUSH_L( EDI )
 166         PUSH_L( EBX )
 167
 168         MOV_L( ARG_SOURCE, ESI )
 169         MOV_L( ARG_DEST, EDI )
 170
 171         MOV_L( ARG_MATRIX, EDX )
 172         MOV_L( REGOFF(V4F_COUNT, ESI), ECX )
 173
 174         TEST_L( ECX, ECX )
 175         JZ( LLBL(x86_p2_pr_done) )
 176
 177         MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )
 178         OR_L( CONST(VEC_SIZE_4), REGOFF(V4F_FLAGS, EDI) )
 179
 180         MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )
 181         MOV_L( CONST(4), REGOFF(V4F_SIZE, EDI) )
 182
 183         SHL_L( CONST(4), ECX )
 184         MOV_L( REGOFF(V4F_START, ESI), ESI )
 185
 186         MOV_L( REGOFF(V4F_START, EDI), EDI )
 187         ADD_L( EDI, ECX )
 188
 189         MOV_L( MAT14, EBX )
 190
 191 ALIGNTEXT16
 192 LLBL(x86_p2_pr_loop):
 193
 194         FLD_S( SRC0 )                   /* F4 */
 195         FMUL_S( MAT0 )
 196
 197         FLD_S( SRC1 )                   /* F1 F4 */
 198         FMUL_S( MAT5 )
 199
 200         FXCH( ST(1) )                   /* F4 F1 */
 201         FSTP_S( DST0   )                /* F1 */
 202         FSTP_S( DST1   )                /* */
 203         MOV_L( EBX, DST2 )
 204         MOV_L( CONST(FP_ZERO), DST3 )
 205
 206 LLBL(x86_p2_pr_skip):
 207
 208         ADD_L( CONST(16), EDI )
 209         ADD_L( EAX, ESI )
 210         CMP_L( ECX, EDI )
 211         JNE( LLBL(x86_p2_pr_loop) )
 212
 213 LLBL(x86_p2_pr_done):
 214
 215         POP_L( EBX )
 216         POP_L( EDI )
 217         POP_L( ESI )
 218         RET
 219 #undef FRAME_OFFSET
 220
 221
 222
 223
 224 ALIGNTEXT16
 225 GLOBL GLNAME( _mesa_x86_transform_points2_3d )
 226 HIDDEN(_mesa_x86_transform_points2_3d)
 227 GLNAME( _mesa_x86_transform_points2_3d ):
 228
 229 #define FRAME_OFFSET 8
 230         PUSH_L( ESI )
 231         PUSH_L( EDI )
 232
 233         MOV_L( ARG_SOURCE, ESI )
 234         MOV_L( ARG_DEST, EDI )
 235
 236         MOV_L( ARG_MATRIX, EDX )
 237         MOV_L( REGOFF(V4F_COUNT, ESI), ECX )
 238
 239         TEST_L( ECX, ECX )
 240         JZ( LLBL(x86_p2_3dr_done) )
 241
 242         MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )
 243         OR_L( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, EDI) )
 244
 245         MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )
 246         MOV_L( CONST(3), REGOFF(V4F_SIZE, EDI) )
 247
 248         SHL_L( CONST(4), ECX )
 249         MOV_L( REGOFF(V4F_START, ESI), ESI )
 250
 251         MOV_L( REGOFF(V4F_START, EDI), EDI )
 252         ADD_L( EDI, ECX )
 253
 254 ALIGNTEXT16
 255 LLBL(x86_p2_3dr_loop):
 256
 257         FLD_S( SRC0 )                   /* F4 */
 258         FMUL_S( MAT0 )
 259         FLD_S( SRC0 )                   /* F5 F4 */
 260         FMUL_S( MAT1 )
 261         FLD_S( SRC0 )                   /* F6 F5 F4 */
 262         FMUL_S( MAT2 )
 263
 264         FLD_S( SRC1 )                   /* F0 F6 F5 F4 */
 265         FMUL_S( MAT4 )
 266         FLD_S( SRC1 )                   /* F1 F0 F6 F5 F4 */
 267         FMUL_S( MAT5 )
 268         FLD_S( SRC1 )                   /* F2 F1 F0 F6 F5 F4 */
 269         FMUL_S( MAT6 )
 270
 271         FXCH( ST(2) )                   /* F0 F1 F2 F6 F5 F4 */
 272         FADDP( ST0, ST(5) )             /* F1 F2 F6 F5 F4 */
 273         FADDP( ST0, ST(3) )             /* F2 F6 F5 F4 */
 274         FADDP( ST0, ST(1) )             /* F6 F5 F4 */
 275
 276         FXCH( ST(2) )                   /* F4 F5 F6 */
 277         FADD_S( MAT12 )
 278         FXCH( ST(1) )                   /* F5 F4 F6 */
 279         FADD_S( MAT13 )
 280         FXCH( ST(2) )                   /* F6 F4 F5 */
 281         FADD_S( MAT14 )
 282
 283         FXCH( ST(1) )                   /* F4 F6 F5 */
 284         FSTP_S( DST0 )                  /* F6 F5 */
 285         FXCH( ST(1) )                   /* F5 F6 */
 286         FSTP_S( DST1 )                  /* F6 */
 287         FSTP_S( DST2 )                  /* */
 288
 289 LLBL(x86_p2_3dr_skip):
 290
 291         ADD_L( CONST(16), EDI )
 292         ADD_L( EAX, ESI )
 293         CMP_L( ECX, EDI )
 294         JNE( LLBL(x86_p2_3dr_loop) )
 295
 296 LLBL(x86_p2_3dr_done):
 297
 298         POP_L( EDI )
 299         POP_L( ESI )
 300         RET
 301 #undef FRAME_OFFSET
 302
 303
 304
 305
 306 ALIGNTEXT16
 307 GLOBL GLNAME( _mesa_x86_transform_points2_3d_no_rot )
 308 HIDDEN(_mesa_x86_transform_points2_3d_no_rot)
 309 GLNAME( _mesa_x86_transform_points2_3d_no_rot ):
 310
 311 #define FRAME_OFFSET 12
 312         PUSH_L( ESI )
 313         PUSH_L( EDI )
 314         PUSH_L( EBX )
 315
 316         MOV_L( ARG_SOURCE, ESI )
 317         MOV_L( ARG_DEST, EDI )
 318
 319         MOV_L( ARG_MATRIX, EDX )
 320         MOV_L( REGOFF(V4F_COUNT, ESI), ECX )
 321
 322         TEST_L( ECX, ECX )
 323         JZ( LLBL(x86_p2_3dnrr_done) )
 324
 325         MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )
 326         OR_L( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, EDI) )
 327
 328         MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )
 329         MOV_L( CONST(3), REGOFF(V4F_SIZE, EDI) )
 330
 331         SHL_L( CONST(4), ECX )
 332         MOV_L( REGOFF(V4F_START, ESI), ESI )
 333
 334         MOV_L( REGOFF(V4F_START, EDI), EDI )
 335         ADD_L( EDI, ECX )
 336
 337         MOV_L( MAT14, EBX )
 338
 339 ALIGNTEXT16
 340 LLBL(x86_p2_3dnrr_loop):
 341
 342         FLD_S( SRC0 )                   /* F4 */
 343         FMUL_S( MAT0 )
 344
 345         FLD_S( SRC1 )                   /* F1 F4 */
 346         FMUL_S( MAT5 )
 347
 348         FXCH( ST(1) )                   /* F4 F1 */
 349         FADD_S( MAT12 )
 350         FLD_S( MAT13 )          /* F5 F4 F1 */
 351         FXCH( ST(2) )                   /* F1 F4 F5 */
 352         FADDP( ST0, ST(2) )             /* F4 F5 */
 353
 354         FSTP_S( DST0 )          /* F5 */
 355         FSTP_S( DST1 )          /* */
 356         MOV_L( EBX, DST2 )
 357
 358 LLBL(x86_p2_3dnrr_skip):
 359
 360         ADD_L( CONST(16), EDI )
 361         ADD_L( EAX, ESI )
 362         CMP_L( ECX, EDI )
 363         JNE( LLBL(x86_p2_3dnrr_loop) )
 364
 365 LLBL(x86_p2_3dnrr_done):
 366
 367         POP_L( EBX )
 368         POP_L( EDI )
 369         POP_L( ESI )
 370         RET
 371 #undef FRAME_OFFSET
 372
 373
 374
 375
 376 ALIGNTEXT16
 377 GLOBL GLNAME( _mesa_x86_transform_points2_2d )
 378 HIDDEN(_mesa_x86_transform_points2_2d)
 379 GLNAME( _mesa_x86_transform_points2_2d ):
 380
 381 #define FRAME_OFFSET 8
 382         PUSH_L( ESI )
 383         PUSH_L( EDI )
 384
 385         MOV_L( ARG_SOURCE, ESI )
 386         MOV_L( ARG_DEST, EDI )
 387
 388         MOV_L( ARG_MATRIX, EDX )
 389         MOV_L( REGOFF(V4F_COUNT, ESI), ECX )
 390
 391         TEST_L( ECX, ECX )
 392         JZ( LLBL(x86_p2_2dr_done) )
 393
 394         MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )
 395         OR_L( CONST(VEC_SIZE_2), REGOFF(V4F_FLAGS, EDI) )
 396
 397         MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )
 398         MOV_L( CONST(2), REGOFF(V4F_SIZE, EDI) )
 399
 400         SHL_L( CONST(4), ECX )
 401         MOV_L( REGOFF(V4F_START, ESI), ESI )
 402
 403         MOV_L( REGOFF(V4F_START, EDI), EDI )
 404         ADD_L( EDI, ECX )
 405
 406 ALIGNTEXT16
 407 LLBL(x86_p2_2dr_loop):
 408
 409         FLD_S( SRC0 )                   /* F4 */
 410         FMUL_S( MAT0 )
 411         FLD_S( SRC0 )                   /* F5 F4 */
 412         FMUL_S( MAT1 )
 413
 414         FLD_S( SRC1 )                   /* F0 F5 F4 */
 415         FMUL_S( MAT4 )
 416         FLD_S( SRC1 )                   /* F1 F0 F5 F4 */
 417         FMUL_S( MAT5 )
 418
 419         FXCH( ST(1) )                   /* F0 F1 F5 F4 */
 420         FADDP( ST0, ST(3) )             /* F1 F5 F4 */
 421         FADDP( ST0, ST(1) )             /* F5 F4 */
 422
 423         FXCH( ST(1) )                   /* F4 F5 */
 424         FADD_S( MAT12 )
 425         FXCH( ST(1) )                   /* F5 F4 */
 426         FADD_S( MAT13 )
 427
 428         FXCH( ST(1) )                   /* F4 F5 */
 429         FSTP_S( DST0 )          /* F5 */
 430         FSTP_S( DST1 )          /* */
 431
 432 LLBL(x86_p2_2dr_skip):
 433
 434         ADD_L( CONST(16), EDI )
 435         ADD_L( EAX, ESI )
 436         CMP_L( ECX, EDI )
 437         JNE( LLBL(x86_p2_2dr_loop) )
 438
 439 LLBL(x86_p2_2dr_done):
 440
 441         POP_L( EDI )
 442         POP_L( ESI )
 443         RET
 444 #undef FRAME_OFFSET
 445
 446
 447
 448
 449 ALIGNTEXT4
 450 GLOBL GLNAME( _mesa_x86_transform_points2_2d_no_rot )
 451 HIDDEN(_mesa_x86_transform_points2_2d_no_rot)
 452 GLNAME( _mesa_x86_transform_points2_2d_no_rot ):
 453
 454 #define FRAME_OFFSET 8
 455         PUSH_L( ESI )
 456         PUSH_L( EDI )
 457
 458         MOV_L( ARG_SOURCE, ESI )
 459         MOV_L( ARG_DEST, EDI )
 460
 461         MOV_L( ARG_MATRIX, EDX )
 462         MOV_L( REGOFF(V4F_COUNT, ESI), ECX )
 463
 464         TEST_L( ECX, ECX )
 465         JZ( LLBL(x86_p2_2dnrr_done) )
 466
 467         MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )
 468         OR_L( CONST(VEC_SIZE_2), REGOFF(V4F_FLAGS, EDI) )
 469
 470         MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )
 471         MOV_L( CONST(2), REGOFF(V4F_SIZE, EDI) )
 472
 473         SHL_L( CONST(4), ECX )
 474         MOV_L( REGOFF(V4F_START, ESI), ESI )
 475
 476         MOV_L( REGOFF(V4F_START, EDI), EDI )
 477         ADD_L( EDI, ECX )
 478
 479 ALIGNTEXT16
 480 LLBL(x86_p2_2dnrr_loop):
 481
 482         FLD_S( SRC0 )                   /* F4 */
 483         FMUL_S( MAT0 )
 484
 485         FLD_S( SRC1 )                   /* F1 F4 */
 486         FMUL_S( MAT5 )
 487
 488         FXCH( ST(1) )                   /* F4 F1 */
 489         FADD_S( MAT12 )
 490         FLD_S( MAT13 )          /* F5 F4 F1 */
 491         FXCH( ST(2) )                   /* F1 F4 F5 */
 492         FADDP( ST0, ST(2) )             /* F4 F5 */
 493
 494         FSTP_S( DST0   )                /* F5 */
 495         FSTP_S( DST1   )                /* */
 496
 497 LLBL(x86_p2_2dnrr_skip):
 498
 499         ADD_L( CONST(16), EDI )
 500         ADD_L( EAX, ESI )
 501         CMP_L( ECX, EDI )
 502         JNE( LLBL(x86_p2_2dnrr_loop) )
 503
 504 LLBL(x86_p2_2dnrr_done):
 505
 506         POP_L( EDI )
 507         POP_L( ESI )
 508         RET
 509 #undef FRAME_OFFSET
 510
 511
 512
 513
 514 ALIGNTEXT16
 515 GLOBL GLNAME( _mesa_x86_transform_points2_identity )
 516 HIDDEN(_mesa_x86_transform_points2_identity)
 517 GLNAME( _mesa_x86_transform_points2_identity ):
 518
 519 #define FRAME_OFFSET 12
 520         PUSH_L( ESI )
 521         PUSH_L( EDI )
 522         PUSH_L( EBX )
 523
 524         MOV_L( ARG_SOURCE, ESI )
 525         MOV_L( ARG_DEST, EDI )
 526
 527         MOV_L( ARG_MATRIX, EDX )
 528         MOV_L( REGOFF(V4F_COUNT, ESI), ECX )
 529
 530         TEST_L( ECX, ECX )
 531         JZ( LLBL(x86_p2_ir_done) )
 532
 533         MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )
 534         OR_L( CONST(VEC_SIZE_2), REGOFF(V4F_FLAGS, EDI) )
 535
 536         MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )
 537         MOV_L( CONST(2), REGOFF(V4F_SIZE, EDI) )
 538
 539         SHL_L( CONST(4), ECX )
 540         MOV_L( REGOFF(V4F_START, ESI), ESI )
 541
 542         MOV_L( REGOFF(V4F_START, EDI), EDI )
 543         ADD_L( EDI, ECX )
 544
 545         CMP_L( ESI, EDI )
 546         JE( LLBL(x86_p2_ir_done) )
 547
 548 ALIGNTEXT16
 549 LLBL(x86_p2_ir_loop):
 550
 551         MOV_L( SRC0, EBX )
 552         MOV_L( SRC1, EDX )
 553
 554         MOV_L( EBX, DST0 )
 555         MOV_L( EDX, DST1 )
 556
 557 LLBL(x86_p2_ir_skip):
 558
 559         ADD_L( CONST(16), EDI )
 560         ADD_L( EAX, ESI )
 561         CMP_L( ECX, EDI )
 562         JNE( LLBL(x86_p2_ir_loop) )
 563
 564 LLBL(x86_p2_ir_done):
 565
 566         POP_L( EBX )
 567         POP_L( EDI )
 568         POP_L( ESI )
 569         RET
 570 #undef FRAME_OFFSET
 571
 572 #if defined (__ELF__) && defined (__linux__)
 573         .section .note.GNU-stack,"",%progbits
 574 #endif