reactos/lib/mesa32/src/x86/x86_xform3.S

   1 /* $Id: x86_xform3.S,v 1.3 2005/01/04 14:33:47 brianp Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  3.5
   6  *
   7  * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included
  17  * in all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  23  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27 /*
  28  * NOTE: Avoid using spaces in between '(' ')' and arguments, especially
  29  * with macros like CONST, LLBL that expand to CONCAT(...).  Putting spaces
  30  * in there will break the build on some platforms.
  31  */
  32
  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_points3_general )
  69 HIDDEN(_mesa_x86_transform_points3_general)
  70 GLNAME( _mesa_x86_transform_points3_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_p3_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_p3_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         FLD_S( SRC2 )                   /* F0 F7 F6 F5 F4 */
 126         FMUL_S( MAT8 )
 127         FLD_S( SRC2 )                   /* F1 F0 F7 F6 F5 F4 */
 128         FMUL_S( MAT9 )
 129         FLD_S( SRC2 )                   /* F2 F1 F0 F7 F6 F5 F4 */
 130         FMUL_S( MAT10 )
 131         FLD_S( SRC2 )                   /* F3 F2 F1 F0 F7 F6 F5 F4 */
 132         FMUL_S( MAT11 )
 133
 134         FXCH( ST(3) )                   /* F0 F2 F1 F3 F7 F6 F5 F4 */
 135         FADDP( ST0, ST(7) )             /* F2 F1 F3 F7 F6 F5 F4 */
 136         FXCH( ST(1) )                   /* F1 F2 F3 F7 F6 F5 F4 */
 137         FADDP( ST0, ST(5) )             /* F2 F3 F7 F6 F5 F4 */
 138         FADDP( ST0, ST(3) )             /* F3 F7 F6 F5 F4 */
 139         FADDP( ST0, ST(1) )             /* F7 F6 F5 F4 */
 140
 141         FXCH( ST(3) )                   /* F4 F6 F5 F7 */
 142         FADD_S( MAT12 )
 143         FXCH( ST(2) )                   /* F5 F6 F4 F7 */
 144         FADD_S( MAT13 )
 145         FXCH( ST(1) )                   /* F6 F5 F4 F7 */
 146         FADD_S( MAT14 )
 147         FXCH( ST(3) )                   /* F7 F5 F4 F6 */
 148         FADD_S( MAT15 )
 149
 150         FXCH( ST(2) )                   /* F4 F5 F7 F6 */
 151         FSTP_S( DST0 )          /* F5 F7 F6 */
 152         FSTP_S( DST1 )          /* F7 F6 */
 153         FXCH( ST(1) )                   /* F6 F7 */
 154         FSTP_S( DST2 )          /* F7 */
 155         FSTP_S( DST3 )          /* */
 156
 157 LLBL(x86_p3_gr_skip):
 158
 159         ADD_L( CONST(16), EDI )
 160         ADD_L( EAX, ESI )
 161         CMP_L( ECX, EDI )
 162         JNE( LLBL(x86_p3_gr_loop) )
 163
 164 LLBL(x86_p3_gr_done):
 165
 166         POP_L( EDI )
 167         POP_L( ESI )
 168         RET
 169 #undef FRAME_OFFSET
 170
 171
 172
 173
 174 ALIGNTEXT16
 175 GLOBL GLNAME( _mesa_x86_transform_points3_perspective )
 176 HIDDEN(_mesa_x86_transform_points3_perspective)
 177 GLNAME( _mesa_x86_transform_points3_perspective ):
 178
 179 #define FRAME_OFFSET 12
 180         PUSH_L( ESI )
 181         PUSH_L( EDI )
 182         PUSH_L( EBX )
 183
 184         MOV_L( ARG_SOURCE, ESI )
 185         MOV_L( ARG_DEST, EDI )
 186
 187         MOV_L( ARG_MATRIX, EDX )
 188         MOV_L( REGOFF(V4F_COUNT, ESI), ECX )
 189
 190         TEST_L( ECX, ECX )
 191         JZ( LLBL(x86_p3_pr_done) )
 192
 193         MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )
 194         OR_L( CONST(VEC_SIZE_4), REGOFF(V4F_FLAGS, EDI) )
 195
 196         MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )
 197         MOV_L( CONST(4), REGOFF(V4F_SIZE, EDI) )
 198
 199         SHL_L( CONST(4), ECX )
 200         MOV_L( REGOFF(V4F_START, ESI), ESI )
 201
 202         MOV_L( REGOFF(V4F_START, EDI), EDI )
 203         ADD_L( EDI, ECX )
 204
 205 ALIGNTEXT16
 206 LLBL(x86_p3_pr_loop):
 207
 208         FLD_S( SRC0 )                   /* F4 */
 209         FMUL_S( MAT0 )
 210
 211         FLD_S( SRC1 )                   /* F5 F4 */
 212         FMUL_S( MAT5 )
 213
 214         FLD_S( SRC2 )                   /* F0 F5 F4 */
 215         FMUL_S( MAT8 )
 216         FLD_S( SRC2 )                   /* F1 F0 F5 F4 */
 217         FMUL_S( MAT9 )
 218         FLD_S( SRC2 )                   /* F2 F1 F0 F5 F4 */
 219         FMUL_S( MAT10 )
 220
 221         FXCH( ST(2) )                   /* F0 F1 F2 F5 F4 */
 222         FADDP( ST0, ST(4) )             /* F1 F2 F5 F4 */
 223         FADDP( ST0, ST(2) )             /* F2 F5 F4 */
 224         FLD_S( MAT14 )          /* F6 F2 F5 F4 */
 225         FXCH( ST(1) )                   /* F2 F6 F5 F4 */
 226         FADDP( ST0, ST(1) )             /* F6 F5 F4 */
 227
 228         MOV_L( SRC2, EBX )
 229         XOR_L( CONST(-2147483648), EBX )/* change sign */
 230
 231         FXCH( ST(2) )                   /* F4 F5 F6 */
 232         FSTP_S( DST0 )          /* F5 F6 */
 233         FSTP_S( DST1 )          /* F6 */
 234         FSTP_S( DST2 )          /* */
 235         MOV_L( EBX, DST3 )
 236
 237 LLBL(x86_p3_pr_skip):
 238
 239         ADD_L( CONST(16), EDI )
 240         ADD_L( EAX, ESI )
 241         CMP_L( ECX, EDI )
 242         JNE( LLBL(x86_p3_pr_loop) )
 243
 244 LLBL(x86_p3_pr_done):
 245
 246         POP_L( EBX )
 247         POP_L( EDI )
 248         POP_L( ESI )
 249         RET
 250 #undef FRAME_OFFSET
 251
 252
 253
 254
 255 ALIGNTEXT16
 256 GLOBL GLNAME( _mesa_x86_transform_points3_3d )
 257 HIDDEN(_mesa_x86_transform_points3_3d)
 258 GLNAME( _mesa_x86_transform_points3_3d ):
 259
 260 #define FRAME_OFFSET 8
 261         PUSH_L( ESI )
 262         PUSH_L( EDI )
 263
 264         MOV_L( ARG_SOURCE, ESI )
 265         MOV_L( ARG_DEST, EDI )
 266
 267         MOV_L( ARG_MATRIX, EDX )
 268         MOV_L( REGOFF(V4F_COUNT, ESI), ECX )
 269
 270         TEST_L( ECX, ECX )
 271         JZ( LLBL(x86_p3_3dr_done) )
 272
 273         MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )
 274         OR_L( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, EDI) )
 275
 276         MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )
 277         MOV_L( CONST(3), REGOFF(V4F_SIZE, EDI) )
 278
 279         SHL_L( CONST(4), ECX )
 280         MOV_L( REGOFF(V4F_START, ESI), ESI )
 281
 282         MOV_L( REGOFF(V4F_START, EDI), EDI )
 283         ADD_L( EDI, ECX )
 284
 285 ALIGNTEXT16
 286 LLBL(x86_p3_3dr_loop):
 287
 288         FLD_S( SRC0 )                   /* F4 */
 289         FMUL_S( MAT0 )
 290         FLD_S( SRC0 )                   /* F5 F4 */
 291         FMUL_S( MAT1 )
 292         FLD_S( SRC0 )                   /* F6 F5 F4 */
 293         FMUL_S( MAT2 )
 294
 295         FLD_S( SRC1 )                   /* F0 F6 F5 F4 */
 296         FMUL_S( MAT4 )
 297         FLD_S( SRC1 )                   /* F1 F0 F6 F5 F4 */
 298         FMUL_S( MAT5 )
 299         FLD_S( SRC1 )                   /* F2 F1 F0 F6 F5 F4 */
 300         FMUL_S( MAT6 )
 301
 302         FXCH( ST(2) )                   /* F0 F1 F2 F6 F5 F4 */
 303         FADDP( ST0, ST(5) )             /* F1 F2 F6 F5 F4 */
 304         FADDP( ST0, ST(3) )             /* F2 F6 F5 F4 */
 305         FADDP( ST0, ST(1) )             /* F6 F5 F4 */
 306
 307         FLD_S( SRC2 )                   /* F0 F6 F5 F4 */
 308         FMUL_S( MAT8 )
 309         FLD_S( SRC2 )                   /* F1 F0 F6 F5 F4 */
 310         FMUL_S( MAT9 )
 311         FLD_S( SRC2 )                   /* F2 F1 F0 F6 F5 F4 */
 312         FMUL_S( MAT10 )
 313
 314         FXCH( ST(2) )                   /* F0 F1 F2 F6 F5 F4 */
 315         FADDP( ST0, ST(5) )             /* F1 F2 F6 F5 F4 */
 316         FADDP( ST0, ST(3) )             /* F2 F6 F5 F4 */
 317         FADDP( ST0, ST(1) )             /* F6 F5 F4 */
 318
 319         FXCH( ST(2) )                   /* F4 F5 F6 */
 320         FADD_S( MAT12 )
 321         FXCH( ST(1) )                   /* F5 F4 F6 */
 322         FADD_S( MAT13 )
 323         FXCH( ST(2) )                   /* F6 F4 F5 */
 324         FADD_S( MAT14 )
 325
 326         FXCH( ST(1) )                   /* F4 F6 F5 */
 327         FSTP_S( DST0   )                /* F6 F5 */
 328         FXCH( ST(1) )                   /* F5 F6 */
 329         FSTP_S( DST1   )                /* F6 */
 330         FSTP_S( DST2   )                /* */
 331
 332 LLBL(x86_p3_3dr_skip):
 333
 334         ADD_L( CONST(16), EDI )
 335         ADD_L( EAX, ESI )
 336         CMP_L( ECX, EDI )
 337         JNE( LLBL(x86_p3_3dr_loop) )
 338
 339 LLBL(x86_p3_3dr_done):
 340
 341         POP_L( EDI )
 342         POP_L( ESI )
 343         RET
 344 #undef FRAME_OFFSET
 345
 346
 347
 348
 349 ALIGNTEXT16
 350 GLOBL GLNAME( _mesa_x86_transform_points3_3d_no_rot )
 351 HIDDEN(_mesa_x86_transform_points3_3d_no_rot)
 352 GLNAME( _mesa_x86_transform_points3_3d_no_rot ):
 353
 354 #define FRAME_OFFSET 8
 355         PUSH_L( ESI )
 356         PUSH_L( EDI )
 357
 358         MOV_L( ARG_SOURCE, ESI )
 359         MOV_L( ARG_DEST, EDI )
 360
 361
 362         MOV_L( ARG_MATRIX, EDX )
 363         MOV_L( REGOFF(V4F_COUNT, ESI), ECX )
 364
 365         TEST_L( ECX, ECX )
 366         JZ( LLBL(x86_p3_3dnrr_done) )
 367
 368         MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )
 369         OR_L( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, EDI) )
 370
 371         MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )
 372         MOV_L( CONST(3), REGOFF(V4F_SIZE, EDI) )
 373
 374         SHL_L( CONST(4), ECX )
 375         MOV_L( REGOFF(V4F_START, ESI), ESI )
 376
 377         MOV_L( REGOFF(V4F_START, EDI), EDI )
 378         ADD_L( EDI, ECX )
 379
 380 ALIGNTEXT16
 381 LLBL(x86_p3_3dnrr_loop):
 382
 383         FLD_S( SRC0 )                   /* F4 */
 384         FMUL_S( MAT0 )
 385
 386         FLD_S( SRC1 )                   /* F1 F4 */
 387         FMUL_S( MAT5 )
 388
 389         FLD_S( SRC2 )                   /* F2 F1 F4 */
 390         FMUL_S( MAT10 )
 391
 392         FXCH( ST(2) )                   /* F4 F1 F2 */
 393         FADD_S( MAT12 )
 394         FLD_S( MAT13 )          /* F5 F4 F1 F2 */
 395         FXCH( ST(2) )                   /* F1 F4 F5 F2 */
 396         FADDP( ST0, ST(2) )             /* F4 F5 F2 */
 397         FLD_S( MAT14 )          /* F6 F4 F5 F2 */
 398         FXCH( ST(3) )                   /* F2 F4 F5 F6 */
 399         FADDP( ST0, ST(3) )             /* F4 F5 F6 */
 400
 401         FSTP_S( DST0   )                /* F5 F6 */
 402         FSTP_S( DST1   )                /* F6 */
 403         FSTP_S( DST2   )                /* */
 404
 405 LLBL(x86_p3_3dnrr_skip):
 406
 407         ADD_L( CONST(16), EDI )
 408         ADD_L( EAX, ESI )
 409         CMP_L( ECX, EDI )
 410         JNE( LLBL(x86_p3_3dnrr_loop) )
 411
 412 LLBL(x86_p3_3dnrr_done):
 413
 414         POP_L( EDI )
 415         POP_L( ESI )
 416         RET
 417 #undef FRAME_OFFSET
 418
 419
 420
 421
 422 ALIGNTEXT16
 423 GLOBL GLNAME( _mesa_x86_transform_points3_2d )
 424 HIDDEN(_mesa_x86_transform_points3_2d)
 425 GLNAME( _mesa_x86_transform_points3_2d ):
 426
 427 #define FRAME_OFFSET 12
 428         PUSH_L( ESI )
 429         PUSH_L( EDI )
 430         PUSH_L( EBX )
 431
 432         MOV_L( ARG_SOURCE, ESI )
 433         MOV_L( ARG_DEST, EDI )
 434
 435         MOV_L( ARG_MATRIX, EDX )
 436         MOV_L( REGOFF(V4F_COUNT, ESI), ECX )
 437
 438         TEST_L( ECX, ECX )
 439         JZ( LLBL(x86_p3_2dr_done) )
 440
 441         MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )
 442         OR_L( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, EDI) )
 443
 444         MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )
 445         MOV_L( CONST(3), REGOFF(V4F_SIZE, EDI) )
 446
 447         SHL_L( CONST(4), ECX )
 448         MOV_L( REGOFF(V4F_START, ESI), ESI )
 449
 450         MOV_L( REGOFF(V4F_START, EDI), EDI )
 451         ADD_L( EDI, ECX )
 452
 453 ALIGNTEXT16
 454 LLBL(x86_p3_2dr_loop):
 455
 456         FLD_S( SRC0 )                   /* F4 */
 457         FMUL_S( MAT0 )
 458         FLD_S( SRC0 )                   /* F5 F4 */
 459         FMUL_S( MAT1 )
 460
 461         FLD_S( SRC1 )                   /* F0 F5 F4 */
 462         FMUL_S( MAT4 )
 463         FLD_S( SRC1 )                   /* F1 F0 F5 F4 */
 464         FMUL_S( MAT5 )
 465
 466         FXCH( ST(1) )                   /* F0 F1 F5 F4 */
 467         FADDP( ST0, ST(3) )             /* F1 F5 F4 */
 468         FADDP( ST0, ST(1) )             /* F5 F4 */
 469
 470         FXCH( ST(1) )                   /* F4 F5 */
 471         FADD_S( MAT12 )
 472         FXCH( ST(1) )                   /* F5 F4 */
 473         FADD_S( MAT13 )
 474
 475         MOV_L( SRC2, EBX )
 476
 477         FXCH( ST(1) )                   /* F4 F5 */
 478         FSTP_S( DST0   )                /* F5 */
 479         FSTP_S( DST1   )                /* */
 480         MOV_L( EBX, DST2 )
 481
 482 LLBL(x86_p3_2dr_skip):
 483
 484         ADD_L( CONST(16), EDI )
 485         ADD_L( EAX, ESI )
 486         CMP_L( ECX, EDI )
 487         JNE( LLBL(x86_p3_2dr_loop) )
 488
 489 LLBL(x86_p3_2dr_done):
 490
 491         POP_L( EBX )
 492         POP_L( EDI )
 493         POP_L( ESI )
 494         RET
 495 #undef FRAME_OFFSET
 496
 497
 498
 499
 500 ALIGNTEXT16
 501 GLOBL GLNAME( _mesa_x86_transform_points3_2d_no_rot )
 502 HIDDEN(_mesa_x86_transform_points3_2d_no_rot)
 503 GLNAME( _mesa_x86_transform_points3_2d_no_rot ):
 504
 505 #define FRAME_OFFSET 12
 506         PUSH_L( ESI )
 507         PUSH_L( EDI )
 508         PUSH_L( EBX )
 509
 510         MOV_L( ARG_SOURCE, ESI )
 511         MOV_L( ARG_DEST, EDI )
 512
 513         MOV_L( ARG_MATRIX, EDX )
 514         MOV_L( REGOFF(V4F_COUNT, ESI), ECX )
 515
 516         TEST_L( ECX, ECX )
 517         JZ( LLBL(x86_p3_2dnrr_done) )
 518
 519         MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )
 520         OR_L( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, EDI) )
 521
 522         MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )
 523         MOV_L( CONST(3), REGOFF(V4F_SIZE, EDI) )
 524
 525         SHL_L( CONST(4), ECX )
 526         MOV_L( REGOFF(V4F_START, ESI), ESI )
 527
 528         MOV_L( REGOFF(V4F_START, EDI), EDI )
 529         ADD_L( EDI, ECX )
 530
 531 ALIGNTEXT16
 532 LLBL(x86_p3_2dnrr_loop):
 533
 534         FLD_S( SRC0 )                   /* F4 */
 535         FMUL_S( MAT0 )
 536
 537         FLD_S( SRC1 )                   /* F1 F4 */
 538         FMUL_S( MAT5 )
 539
 540         FXCH( ST(1) )                   /* F4 F1 */
 541         FADD_S( MAT12 )
 542         FLD_S( MAT13 )          /* F5 F4 F1 */
 543
 544         FXCH( ST(2) )                   /* F1 F4 F5 */
 545         FADDP( ST0, ST(2) )             /* F4 F5 */
 546
 547         MOV_L( SRC2, EBX )
 548
 549         FSTP_S( DST0 )          /* F5 */
 550         FSTP_S( DST1 )          /* */
 551         MOV_L( EBX, DST2 )
 552
 553 LLBL(x86_p3_2dnrr_skip):
 554
 555         ADD_L( CONST(16), EDI )
 556         ADD_L( EAX, ESI )
 557         CMP_L( ECX, EDI )
 558         JNE( LLBL(x86_p3_2dnrr_loop) )
 559
 560 LLBL(x86_p3_2dnrr_done):
 561
 562         POP_L( EBX )
 563         POP_L( EDI )
 564         POP_L( ESI )
 565         RET
 566 #undef FRAME_OFFSET
 567
 568
 569
 570
 571 ALIGNTEXT16
 572 GLOBL GLNAME( _mesa_x86_transform_points3_identity )
 573 HIDDEN(_mesa_x86_transform_points3_identity)
 574 GLNAME(_mesa_x86_transform_points3_identity ):
 575
 576 #define FRAME_OFFSET 16
 577         PUSH_L( ESI )
 578         PUSH_L( EDI )
 579         PUSH_L( EBX )
 580         PUSH_L( EBP )
 581
 582         MOV_L( ARG_SOURCE, ESI )
 583         MOV_L( ARG_DEST, EDI )
 584
 585         MOV_L( ARG_MATRIX, EDX )
 586         MOV_L( REGOFF(V4F_COUNT, ESI), ECX )
 587
 588         TEST_L( ECX, ECX )
 589         JZ( LLBL(x86_p3_ir_done) )
 590
 591         MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )
 592         OR_L( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, EDI) )
 593
 594         MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )
 595         MOV_L( CONST(3), REGOFF(V4F_SIZE, EDI) )
 596
 597         SHL_L( CONST(4), ECX )
 598         MOV_L( REGOFF(V4F_START, ESI), ESI )
 599
 600         MOV_L( REGOFF(V4F_START, EDI), EDI )
 601         ADD_L( EDI, ECX )
 602
 603         CMP_L( ESI, EDI )
 604         JE( LLBL(x86_p3_ir_done) )
 605
 606 ALIGNTEXT16
 607 LLBL(x86_p3_ir_loop):
 608
 609 #if 1
 610         MOV_L( SRC0, EBX )
 611         MOV_L( SRC1, EBP )
 612         MOV_L( SRC2, EDX )
 613
 614         MOV_L( EBX, DST0 )
 615         MOV_L( EBP, DST1 )
 616         MOV_L( EDX, DST2 )
 617 #else
 618         FLD_S( SRC0 )
 619         FLD_S( SRC1 )
 620         FLD_S( SRC2 )
 621
 622         FSTP_S( DST2 )
 623         FSTP_S( DST1 )
 624         FSTP_S( DST0 )
 625 #endif
 626
 627 LLBL(x86_p3_ir_skip):
 628
 629         ADD_L( CONST(16), EDI )
 630         ADD_L( EAX, ESI )
 631         CMP_L( ECX, EDI )
 632         JNE( LLBL(x86_p3_ir_loop) )
 633
 634 LLBL(x86_p3_ir_done):
 635
 636         POP_L( EBP )
 637         POP_L( EBX )
 638         POP_L( EDI )
 639         POP_L( ESI )
 640         RET