src/mesa/x86/x86_xform2.S

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