src/mesa/x86/sse_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 /** TODO:
  27   * - insert PREFETCH instructions to avoid cache-misses !
  28   * - some more optimizations are possible...
  29   * - for 40-50% more performance in the SSE-functions, the
  30   *   data (trans-matrix, src_vert, dst_vert) needs to be 16byte aligned !
  31   */
  32
  33 #ifdef USE_SSE_ASM
  34 #include "assyntax.h"
  35 #define MATH_ASM_PTR_SIZE 4
  36 #include "math/m_vector_asm.h"
  37 #include "xform_args.h"
  38
  39    SEG_TEXT
  40
  41 #define S(i)    REGOFF(i * 4, ESI)
  42 #define D(i)    REGOFF(i * 4, EDI)
  43 #define M(i)    REGOFF(i * 4, EDX)
  44
  45
  46 ALIGNTEXT4
  47 GLOBL GLNAME(_mesa_sse_transform_points2_general)
  48 HIDDEN (_mesa_sse_transform_points2_general)
  49 GLNAME( _mesa_sse_transform_points2_general ):
  50     _CET_ENDBR
  51 #define FRAME_OFFSET 8
  52     PUSH_L    ( ESI )
  53     PUSH_L    ( EDI )
  54
  55     MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI )  /* ptr to source GLvector4f */
  56     MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI )    /* ptr to dest GLvector4f */
  57
  58     MOV_L( ARG_MATRIX, EDX )                    /* ptr to matrix */
  59     MOV_L( REGOFF(V4F_COUNT, ESI), ECX )        /* source count */
  60
  61     TEST_L( ECX, ECX )
  62     JZ( LLBL(K_GTP2GR_finish) )                 /* count was zero; go to finish */
  63
  64     MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )       /* stride */
  65     OR_L( CONST(VEC_SIZE_4), REGOFF(V4F_FLAGS, EDI) )   /* set dest flags */
  66
  67     MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )        /* set dest count */
  68     MOV_L( CONST(4), REGOFF(V4F_SIZE, EDI) )    /* set dest size */
  69
  70     SHL_L( CONST(4), ECX )                      /* count *= 16 */
  71     MOV_L( REGOFF(V4F_START, ESI), ESI )        /* ptr to first source vertex */
  72
  73     MOV_L( REGOFF(V4F_START, EDI), EDI )        /* ptr to first dest vertex */
  74     ADD_L( EDI, ECX )                           /* count += dest ptr */
  75
  76 ALIGNTEXT32
  77     MOVAPS( M(0), XMM0 )                        /* m3  | m2  | m1  | m0 */
  78     MOVAPS( M(4), XMM1 )                        /* m7  | m6  | m5  | m4 */
  79     MOVAPS( M(12), XMM2 )                       /* m15 | m14 | m13 | m12 */
  80
  81 ALIGNTEXT32
  82 LLBL(K_GTP2GR_top):
  83     MOVSS( S(0), XMM3 )                         /* ox */
  84     SHUFPS( CONST(0x0), XMM3, XMM3 )            /* ox | ox | ox | ox */
  85     MULPS( XMM0, XMM3 )                         /* ox*m3 | ox*m2 | ox*m1 | ox*m0 */
  86     MOVSS( S(1), XMM4 )                         /* oy */
  87     SHUFPS( CONST(0x0), XMM4, XMM4 )            /* oy | oy | oy | oy */
  88     MULPS( XMM1, XMM4 )                         /* oy*m7 | oy*m6 | oy*m5 | oy*m4 */
  89
  90     ADDPS( XMM4, XMM3 )
  91     ADDPS( XMM2, XMM3 )
  92     MOVAPS( XMM3, D(0) )
  93
  94 LLBL(K_GTP2GR_skip):
  95     ADD_L     ( CONST(16), EDI )
  96     ADD_L     ( EAX, ESI )
  97     CMP_L     ( ECX, EDI )
  98     JNE       ( LLBL(K_GTP2GR_top) )
  99
 100 LLBL(K_GTP2GR_finish):
 101     POP_L     ( EDI )
 102     POP_L     ( ESI )
 103     RET
 104 #undef FRAME_OFFSET
 105
 106
 107 ALIGNTEXT4
 108 GLOBL GLNAME(_mesa_sse_transform_points2_identity)
 109 HIDDEN(_mesa_sse_transform_points2_identity)
 110 GLNAME( _mesa_sse_transform_points2_identity ):
 111     _CET_ENDBR
 112 #define FRAME_OFFSET 8
 113     PUSH_L    ( ESI )
 114     PUSH_L    ( EDI )
 115
 116     MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI ) /* ptr to source GLvector4f */
 117     MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI )    /* ptr to dest GLvector4f */
 118
 119     MOV_L( REGOFF(V4F_COUNT, ESI), ECX )        /* source count */
 120
 121     TEST_L( ECX, ECX)
 122     JZ( LLBL(K_GTP2IR_finish) )                 /* count was zero; go to finish */
 123
 124     MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )       /* stride */
 125     OR_L( CONST(VEC_SIZE_2), REGOFF(V4F_FLAGS, EDI) )   /* set dest flags */
 126
 127     MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )        /* set dest count */
 128     MOV_L( CONST(2), REGOFF(V4F_SIZE, EDI) )    /* set dest size */
 129
 130     SHL_L( CONST(4), ECX )                      /* count *= 16 */
 131     MOV_L( REGOFF(V4F_START, ESI), ESI )        /* ptr to first source vertex */
 132
 133     MOV_L( REGOFF(V4F_START, EDI), EDI )        /* ptr to first dest vertex */
 134     ADD_L( EDI, ECX )                           /* count += dest ptr */
 135
 136     CMP_L( ESI, EDI )
 137     JE( LLBL(K_GTP2IR_finish) )
 138
 139
 140 ALIGNTEXT32
 141 LLBL(K_GTP2IR_top):
 142     MOV_L     ( S(0), EDX )
 143     MOV_L     ( EDX, D(0) )
 144     MOV_L     ( S(1), EDX )
 145     MOV_L     ( EDX, D(1) )
 146
 147 LLBL(K_GTP2IR_skip):
 148     ADD_L     ( CONST(16), EDI )
 149     ADD_L     ( EAX, ESI )
 150     CMP_L     ( ECX, EDI )
 151     JNE       ( LLBL(K_GTP2IR_top) )
 152
 153 LLBL(K_GTP2IR_finish):
 154     POP_L     ( EDI )
 155     POP_L     ( ESI )
 156     RET
 157 #undef FRAME_OFFSET
 158
 159
 160 ALIGNTEXT4
 161 GLOBL GLNAME(_mesa_sse_transform_points2_3d_no_rot)
 162 HIDDEN(_mesa_sse_transform_points2_3d_no_rot)
 163 GLNAME(_mesa_sse_transform_points2_3d_no_rot):
 164     _CET_ENDBR
 165 #define FRAME_OFFSET 8
 166     PUSH_L( ESI )
 167     PUSH_L( EDI )
 168
 169     MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI )  /* ptr to source GLvector4f */
 170     MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI )    /* ptr to dest GLvector4f */
 171
 172     MOV_L( ARG_MATRIX, EDX )                    /* ptr to matrix */
 173     MOV_L( REGOFF(V4F_COUNT, ESI), ECX )        /* source count */
 174
 175     TEST_L( ECX, ECX)
 176     JZ( LLBL(K_GTP23DNRR_finish) )              /* count was zero; go to finish */
 177
 178     MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )       /* stride */
 179     OR_L( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, EDI) )   /* set dest flags */
 180
 181     MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )        /* set dest count */
 182     MOV_L( CONST(3), REGOFF(V4F_SIZE, EDI) )    /* set dest size */
 183
 184     SHL_L( CONST(4), ECX )                      /* count *= 16 */
 185     MOV_L( REGOFF(V4F_START, ESI), ESI )        /* ptr to first source vertex */
 186
 187     MOV_L( REGOFF(V4F_START, EDI), EDI )        /* ptr to first dest vertex */
 188     ADD_L( EDI, ECX )                           /* count += dest ptr */
 189
 190     XORPS( XMM0, XMM0 )                         /* clean the working register */
 191
 192 ALIGNTEXT32
 193     MOVSS    ( M(0), XMM1 )                     /* - | - |  -  | m0  */
 194     MOVSS    ( M(5), XMM2 )                     /* - | - |  -  | m5  */
 195     UNPCKLPS ( XMM2, XMM1 )                     /* - | - | m5  | m0  */
 196     MOVLPS   ( M(12), XMM2 )                    /* - | - | m13 | m12 */
 197     MOVSS    ( M(14), XMM3 )                    /* - | - |  -  | m14 */
 198
 199 ALIGNTEXT32
 200 LLBL(K_GTP23DNRR_top):
 201     MOVLPS   ( S(0), XMM0 )                     /* - | - |  oy   | ox */
 202     MULPS    ( XMM1, XMM0 )                     /* - | - | oy*m5 | ox*m0 */
 203     ADDPS    ( XMM2, XMM0 )                     /* - | - | +m13  | +m12 */
 204     MOVLPS   ( XMM0, D(0) )                     /* -> D(1) | -> D(0) */
 205
 206     MOVSS    ( XMM3, D(2) )                     /* -> D(2) */
 207
 208 LLBL(K_GTP23DNRR_skip):
 209     ADD_L    ( CONST(16), EDI )
 210     ADD_L    ( EAX, ESI )
 211     CMP_L    ( ECX, EDI )
 212     JNE      ( LLBL(K_GTP23DNRR_top) )
 213
 214 LLBL(K_GTP23DNRR_finish):
 215     POP_L    ( EDI )
 216     POP_L    ( ESI )
 217     RET
 218 #undef FRAME_OFFSET
 219
 220
 221 ALIGNTEXT4
 222 GLOBL GLNAME(_mesa_sse_transform_points2_perspective)
 223 HIDDEN(_mesa_sse_transform_points2_perspective)
 224 GLNAME(_mesa_sse_transform_points2_perspective):
 225     _CET_ENDBR
 226 #define FRAME_OFFSET 8
 227     PUSH_L   ( ESI )
 228     PUSH_L   ( EDI )
 229
 230     MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI )  /* ptr to source GLvector4f */
 231     MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI )    /* ptr to dest GLvector4f */
 232
 233     MOV_L( ARG_MATRIX, EDX )                    /* ptr to matrix */
 234     MOV_L( REGOFF(V4F_COUNT, ESI), ECX )        /* source count */
 235
 236     TEST_L( ECX, ECX)
 237     JZ( LLBL(K_GTP23PR_finish) )                /* count was zero; go to finish */
 238
 239     MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )       /* stride */
 240     OR_L( CONST(VEC_SIZE_4), REGOFF(V4F_FLAGS, EDI) )   /* set dest flags */
 241
 242     MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )        /* set dest count */
 243     MOV_L( CONST(4), REGOFF(V4F_SIZE, EDI) )    /* set dest size */
 244
 245     SHL_L( CONST(4), ECX )                      /* count *= 16 */
 246     MOV_L( REGOFF(V4F_START, ESI), ESI )        /* ptr to first source vertex */
 247
 248     MOV_L( REGOFF(V4F_START, EDI), EDI )        /* ptr to first dest vertex */
 249     ADD_L( EDI, ECX )                           /* count += dest ptr */
 250
 251 ALIGNTEXT32
 252     MOVSS    ( M(0), XMM1 )                     /* -  | -  |  -  | m0  */
 253     MOVSS    ( M(5), XMM2 )                     /* -  | -  |  -  | m5  */
 254     UNPCKLPS ( XMM2, XMM1 )                     /* -  | -  | m5  | m0  */
 255     MOVSS    ( M(14), XMM3 )                    /* m14 */
 256     XORPS    ( XMM0, XMM0 )                     /* 0 | 0 | 0 | 0 */
 257
 258 ALIGNTEXT32
 259 LLBL(K_GTP23PR_top):
 260     MOVLPS( S(0), XMM4 )                        /* oy | ox */
 261     MULPS( XMM1, XMM4 )                         /* oy*m5 | ox*m0 */
 262     MOVLPS( XMM4, D(0) )                        /* ->D(1) | ->D(0) */
 263     MOVSS( XMM3, D(2) )                         /* ->D(2) */
 264     MOVSS( XMM0, D(3) )                         /* ->D(3) */
 265
 266 LLBL(K_GTP23PR_skip):
 267     ADD_L( CONST(16), EDI )
 268     ADD_L( EAX, ESI )
 269     CMP_L( ECX, EDI )
 270     JNE( LLBL(K_GTP23PR_top) )
 271
 272 LLBL(K_GTP23PR_finish):
 273     POP_L    ( EDI )
 274     POP_L    ( ESI )
 275     RET
 276 #undef FRAME_OFFSET
 277
 278
 279
 280 ALIGNTEXT4
 281 GLOBL GLNAME(_mesa_sse_transform_points2_2d)
 282 HIDDEN(_mesa_sse_transform_points2_2d)
 283 GLNAME(_mesa_sse_transform_points2_2d):
 284     _CET_ENDBR
 285 #define FRAME_OFFSET 8
 286     PUSH_L( ESI )
 287     PUSH_L( EDI )
 288
 289     MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI )  /* ptr to source GLvector4f */
 290     MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI )    /* ptr to dest GLvector4f */
 291
 292     MOV_L( ARG_MATRIX, EDX )                    /* ptr to matrix */
 293     MOV_L( REGOFF(V4F_COUNT, ESI), ECX )        /* source count */
 294
 295     TEST_L( ECX, ECX)
 296     JZ( LLBL(K_GTP23P2DR_finish) )              /* count was zero; go to finish */
 297
 298     MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )       /* stride */
 299     OR_L( CONST(VEC_SIZE_2), REGOFF(V4F_FLAGS, EDI) )   /* set dest flags */
 300
 301     MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )        /* set dest count */
 302     MOV_L( CONST(2), REGOFF(V4F_SIZE, EDI) )    /* set dest size */
 303
 304     SHL_L( CONST(4), ECX )                      /* count *= 16 */
 305     MOV_L( REGOFF(V4F_START, ESI), ESI )        /* ptr to first source vertex */
 306
 307     MOV_L( REGOFF(V4F_START, EDI), EDI )        /* ptr to first dest vertex */
 308     ADD_L( EDI, ECX )                           /* count += dest ptr */
 309
 310 ALIGNTEXT32
 311     MOVLPS( M(0), XMM0 )                        /* m1  | m0 */
 312     MOVLPS( M(4), XMM1 )                        /* m5  | m4 */
 313     MOVLPS( M(12), XMM2 )                       /* m13 | m12 */
 314
 315 ALIGNTEXT32
 316 LLBL(K_GTP23P2DR_top):
 317     MOVSS( S(0), XMM3 )                         /* ox */
 318     SHUFPS( CONST(0x0), XMM3, XMM3 )            /* ox | ox */
 319     MULPS( XMM0, XMM3 )                         /* ox*m1 | ox*m0 */
 320
 321     MOVSS( S(1), XMM4 )                         /* oy */
 322     SHUFPS( CONST(0x0), XMM4, XMM4 )            /* oy | oy */
 323     MULPS( XMM1, XMM4 )                         /* oy*m5 | oy*m4 */
 324
 325     ADDPS( XMM4, XMM3 )
 326     ADDPS( XMM2, XMM3 )
 327     MOVLPS( XMM3, D(0) )                        /* ->D(1) | ->D(0) */
 328
 329 LLBL(K_GTP23P2DR_skip):
 330     ADD_L    ( CONST(16), EDI )
 331     ADD_L    ( EAX, ESI )
 332     CMP_L    ( ECX, EDI )
 333     JNE      ( LLBL(K_GTP23P2DR_top) )
 334
 335 LLBL(K_GTP23P2DR_finish):
 336     POP_L    ( EDI )
 337     POP_L    ( ESI )
 338     RET
 339 #undef FRAME_OFFSET
 340
 341
 342
 343 ALIGNTEXT4
 344 GLOBL GLNAME(_mesa_sse_transform_points2_2d_no_rot)
 345 HIDDEN(_mesa_sse_transform_points2_2d_no_rot)
 346 GLNAME(_mesa_sse_transform_points2_2d_no_rot):
 347         _CET_ENDBR
 348 #define FRAME_OFFSET 8
 349         PUSH_L( ESI )
 350         PUSH_L( EDI )
 351
 352         MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI )      /* ptr to source GLvector4f */
 353         MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI )        /* ptr to dest GLvector4f */
 354
 355         MOV_L( ARG_MATRIX, EDX )                /* ptr to matrix */
 356         MOV_L( REGOFF(V4F_COUNT, ESI), ECX )    /* source count */
 357
 358         TEST_L( ECX, ECX)
 359         JZ( LLBL(K_GTP23P2DNRR_finish) )        /* count was zero; go to finish */
 360
 361         MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )   /* stride */
 362         OR_L( CONST(VEC_SIZE_2), REGOFF(V4F_FLAGS, EDI) )       /* set dest flags */
 363
 364         MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )    /* set dest count */
 365         MOV_L( CONST(2), REGOFF(V4F_SIZE, EDI) )        /* set dest size */
 366
 367         SHL_L( CONST(4), ECX )                  /* count *= 16 */
 368         MOV_L( REGOFF(V4F_START, ESI), ESI )    /* ptr to first source vertex */
 369
 370         MOV_L( REGOFF(V4F_START, EDI), EDI )    /* ptr to first dest vertex */
 371         ADD_L( EDI, ECX )                       /* count += dest ptr */
 372
 373 ALIGNTEXT32
 374         MOVSS    ( M(0), XMM1 )                 /* m0 */
 375         MOVSS    ( M(5), XMM2 )                 /* m5 */
 376         UNPCKLPS ( XMM2, XMM1 )                 /* m5 | m0 */
 377         MOVLPS   ( M(12), XMM2 )                /* m13 | m12 */
 378
 379 ALIGNTEXT32
 380 LLBL(K_GTP23P2DNRR_top):
 381         MOVLPS( S(0), XMM0 )                    /* oy | ox */
 382         MULPS( XMM1, XMM0 )                     /* oy*m5 | ox*m0 */
 383         ADDPS( XMM2, XMM0 )                     /* +m13 | +m12 */
 384         MOVLPS( XMM0, D(0) )                    /* ->D(1) | ->D(0) */
 385
 386 LLBL(K_GTP23P2DNRR_skip):
 387         ADD_L( CONST(16), EDI )
 388         ADD_L( EAX, ESI )
 389         CMP_L( ECX, EDI )
 390         JNE( LLBL(K_GTP23P2DNRR_top) )
 391
 392 LLBL(K_GTP23P2DNRR_finish):
 393         POP_L( EDI )
 394         POP_L( ESI )
 395         RET
 396 #undef FRAME_OFFSET
 397
 398
 399
 400 ALIGNTEXT4
 401 GLOBL GLNAME(_mesa_sse_transform_points2_3d)
 402 HIDDEN(_mesa_sse_transform_points2_3d)
 403 GLNAME(_mesa_sse_transform_points2_3d):
 404         _CET_ENDBR
 405 #define FRAME_OFFSET 8
 406         PUSH_L( ESI )
 407         PUSH_L( EDI )
 408
 409         MOV_L( REGOFF(OFFSET_SOURCE+8, ESP), ESI )      /* ptr to source GLvector4f */
 410         MOV_L( REGOFF(OFFSET_DEST+8, ESP), EDI )        /* ptr to dest GLvector4f */
 411
 412         MOV_L( ARG_MATRIX, EDX )                /* ptr to matrix */
 413         MOV_L( REGOFF(V4F_COUNT, ESI), ECX )    /* source count */
 414
 415         TEST_L( ECX, ECX)
 416         JZ( LLBL(K_GTP23P3DR_finish) )  /* count was zero; go to finish */
 417
 418         MOV_L( REGOFF(V4F_STRIDE, ESI), EAX )   /* stride */
 419         OR_L( CONST(VEC_SIZE_3), REGOFF(V4F_FLAGS, EDI) )       /* set dest flags */
 420
 421         MOV_L( ECX, REGOFF(V4F_COUNT, EDI) )    /* set dest count */
 422         MOV_L( CONST(3), REGOFF(V4F_SIZE, EDI) )        /* set dest size */
 423
 424         SHL_L( CONST(4), ECX )                  /* count *= 16 */
 425         MOV_L( REGOFF(V4F_START, ESI), ESI )    /* ptr to first source vertex */
 426
 427         MOV_L( REGOFF(V4F_START, EDI), EDI )    /* ptr to first dest vertex */
 428         ADD_L( EDI, ECX )                       /* count += dest ptr */
 429
 430 ALIGNTEXT32
 431         MOVAPS( M(0), XMM0 )                    /* m2  | m1  | m0 */
 432         MOVAPS( M(4), XMM1 )                    /* m6  | m5  | m4 */
 433         MOVAPS( M(12), XMM2 )                   /* m14 | m13 | m12 */
 434
 435 ALIGNTEXT32
 436 LLBL(K_GTP23P3DR_top):
 437         MOVSS( S(0), XMM3 )                     /* ox */
 438         SHUFPS( CONST(0x0), XMM3, XMM3 )        /* ox | ox | ox */
 439         MULPS( XMM0, XMM3 )                     /* ox*m2 | ox*m1 | ox*m0 */
 440
 441         MOVSS( S(1), XMM4 )                     /* oy */
 442         SHUFPS( CONST(0x0), XMM4, XMM4 )        /* oy | oy | oy */
 443         MULPS( XMM1, XMM4 )                     /* oy*m6 | oy*m5 | oy*m4 */
 444
 445         ADDPS( XMM4, XMM3 )
 446         ADDPS( XMM2, XMM3 )
 447
 448         MOVLPS( XMM3, D(0) )                    /* ->D(1) | ->D(0) */
 449         UNPCKHPS( XMM3, XMM3 )
 450         MOVSS( XMM3, D(2) )                     /* ->D(2) */
 451
 452 LLBL(K_GTP23P3DR_skip):
 453         ADD_L( CONST(16), EDI )
 454         ADD_L( EAX, ESI )
 455         CMP_L( ECX, EDI )
 456         JNE( LLBL(K_GTP23P3DR_top) )
 457
 458 LLBL(K_GTP23P3DR_finish):
 459         POP_L( EDI )
 460         POP_L( ESI )
 461         RET
 462 #undef FRAME_OFFSET
 463 #endif
 464
 465 #if defined (__ELF__) && defined (__linux__)
 466         .section .note.GNU-stack,"",%progbits
 467 #endif