src/mesa/drivers/dri/i965/brw_disasm.c

   1 /*
   2  * Copyright © 2008 Keith Packard
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software and its
   5  * documentation for any purpose is hereby granted without fee, provided that
   6  * the above copyright notice appear in all copies and that both that copyright
   7  * notice and this permission notice appear in supporting documentation, and
   8  * that the name of the copyright holders not be used in advertising or
   9  * publicity pertaining to distribution of the software without specific,
  10  * written prior permission.  The copyright holders make no representations
  11  * about the suitability of this software for any purpose.  It is provided "as
  12  * is" without express or implied warranty.
  13  *
  14  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  15  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  16  * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  17  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  18  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  19  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  20  * OF THIS SOFTWARE.
  21  */
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <getopt.h>
  27 #include <unistd.h>
  28 #include <stdarg.h>
  29
  30 #include "gen4asm.h"
  31 #include "brw_defines.h"
  32
  33 struct {
  34     char    *name;
  35     int     nsrc;
  36     int     ndst;
  37 } opcode[128] = {
  38     [BRW_OPCODE_MOV] = { .name = "mov", .nsrc = 1, .ndst = 1 },
  39     [BRW_OPCODE_FRC] = { .name = "frc", .nsrc = 1, .ndst = 1 },
  40     [BRW_OPCODE_RNDU] = { .name = "rndu", .nsrc = 1, .ndst = 1 },
  41     [BRW_OPCODE_RNDD] = { .name = "rndd", .nsrc = 1, .ndst = 1 },
  42     [BRW_OPCODE_RNDE] = { .name = "rnde", .nsrc = 1, .ndst = 1 },
  43     [BRW_OPCODE_RNDZ] = { .name = "rndz", .nsrc = 1, .ndst = 1 },
  44     [BRW_OPCODE_NOT] = { .name = "not", .nsrc = 1, .ndst = 1 },
  45     [BRW_OPCODE_LZD] = { .name = "lzd", .nsrc = 1, .ndst = 1 },
  46
  47     [BRW_OPCODE_MUL] = { .name = "mul", .nsrc = 2, .ndst = 1 },
  48     [BRW_OPCODE_MAC] = { .name = "mac", .nsrc = 2, .ndst = 1 },
  49     [BRW_OPCODE_MACH] = { .name = "mach", .nsrc = 2, .ndst = 1 },
  50     [BRW_OPCODE_LINE] = { .name = "line", .nsrc = 2, .ndst = 1 },
  51     [BRW_OPCODE_SAD2] = { .name = "sad2", .nsrc = 2, .ndst = 1 },
  52     [BRW_OPCODE_SADA2] = { .name = "sada2", .nsrc = 2, .ndst = 1 },
  53     [BRW_OPCODE_DP4] = { .name = "dp4", .nsrc = 2, .ndst = 1 },
  54     [BRW_OPCODE_DPH] = { .name = "dph", .nsrc = 2, .ndst = 1 },
  55     [BRW_OPCODE_DP3] = { .name = "dp3", .nsrc = 2, .ndst = 1 },
  56     [BRW_OPCODE_DP2] = { .name = "dp2", .nsrc = 2, .ndst = 1 },
  57
  58     [BRW_OPCODE_AVG] = { .name = "avg", .nsrc = 2, .ndst = 1 },
  59     [BRW_OPCODE_ADD] = { .name = "add", .nsrc = 2, .ndst = 1 },
  60     [BRW_OPCODE_SEL] = { .name = "sel", .nsrc = 2, .ndst = 1 },
  61     [BRW_OPCODE_AND] = { .name = "and", .nsrc = 2, .ndst = 1 },
  62     [BRW_OPCODE_OR] = { .name = "or", .nsrc = 2, .ndst = 1 },
  63     [BRW_OPCODE_XOR] = { .name = "xor", .nsrc = 2, .ndst = 1 },
  64     [BRW_OPCODE_SHR] = { .name = "shr", .nsrc = 2, .ndst = 1 },
  65     [BRW_OPCODE_SHL] = { .name = "shl", .nsrc = 2, .ndst = 1 },
  66     [BRW_OPCODE_ASR] = { .name = "asr", .nsrc = 2, .ndst = 1 },
  67     [BRW_OPCODE_CMP] = { .name = "cmp", .nsrc = 2, .ndst = 1 },
  68     [BRW_OPCODE_CMPN] = { .name = "cmpn", .nsrc = 2, .ndst = 1 },
  69
  70     [BRW_OPCODE_SEND] = { .name = "send", .nsrc = 1, .ndst = 1 },
  71     [BRW_OPCODE_NOP] = { .name = "nop", .nsrc = 0, .ndst = 0 },
  72     [BRW_OPCODE_JMPI] = { .name = "jmpi", .nsrc = 1, .ndst = 0 },
  73     [BRW_OPCODE_IF] = { .name = "if", .nsrc = 2, .ndst = 0 },
  74     [BRW_OPCODE_IFF] = { .name = "iff", .nsrc = 1, .ndst = 01 },
  75     [BRW_OPCODE_WHILE] = { .name = "while", .nsrc = 1, .ndst = 0 },
  76     [BRW_OPCODE_ELSE] = { .name = "else", .nsrc = 1, .ndst = 0 },
  77     [BRW_OPCODE_BREAK] = { .name = "break", .nsrc = 1, .ndst = 0 },
  78     [BRW_OPCODE_CONTINUE] = { .name = "cont", .nsrc = 1, .ndst = 0 },
  79     [BRW_OPCODE_HALT] = { .name = "halt", .nsrc = 1, .ndst = 0 },
  80     [BRW_OPCODE_MSAVE] = { .name = "msave", .nsrc = 1, .ndst = 1 },
  81     [BRW_OPCODE_PUSH] = { .name = "push", .nsrc = 1, .ndst = 1 },
  82     [BRW_OPCODE_MRESTORE] = { .name = "mrest", .nsrc = 1, .ndst = 1 },
  83     [BRW_OPCODE_POP] = { .name = "pop", .nsrc = 2, .ndst = 0 },
  84     [BRW_OPCODE_WAIT] = { .name = "wait", .nsrc = 1, .ndst = 0 },
  85     [BRW_OPCODE_DO] = { .name = "do", .nsrc = 0, .ndst = 0 },
  86     [BRW_OPCODE_ENDIF] = { .name = "endif", .nsrc = 0, .ndst = 0 },
  87 };
  88
  89 char *conditional_modifier[16] = {
  90     [BRW_CONDITIONAL_NONE] = "",
  91     [BRW_CONDITIONAL_Z] = ".e",
  92     [BRW_CONDITIONAL_NZ] = ".ne",
  93     [BRW_CONDITIONAL_G] = ".g",
  94     [BRW_CONDITIONAL_GE] = ".ge",
  95     [BRW_CONDITIONAL_L] = ".l",
  96     [BRW_CONDITIONAL_LE] = ".le",
  97     [BRW_CONDITIONAL_R] = ".r",
  98     [BRW_CONDITIONAL_O] = ".o",
  99     [BRW_CONDITIONAL_U] = ".u",
 100 };
 101
 102 char *negate[2] = {
 103     [0] = "",
 104     [1] = "-",
 105 };
 106
 107 char *_abs[2] = {
 108     [0] = "",
 109     [1] = "(abs)",
 110 };
 111
 112 char *vert_stride[16] = {
 113     [0] = "0",
 114     [1] = "1",
 115     [2] = "2",
 116     [3] = "4",
 117     [4] = "8",
 118     [5] = "16",
 119     [6] = "32",
 120     [15] = "VxH",
 121 };
 122
 123 char *width[8] = {
 124     [0] = "1",
 125     [1] = "2",
 126     [2] = "4",
 127     [3] = "8",
 128     [4] = "16",
 129 };
 130
 131 char *horiz_stride[4] = {
 132     [0] = "0",
 133     [1] = "1",
 134     [2] = "2",
 135     [3] = "4"
 136 };
 137
 138 char *chan_sel[4] = {
 139     [0] = "x",
 140     [1] = "y",
 141     [2] = "z",
 142     [3] = "w",
 143 };
 144
 145 char *dest_condmod[16] = {
 146 };
 147
 148 char *debug_ctrl[2] = {
 149     [0] = "",
 150     [1] = ".breakpoint"
 151 };
 152
 153 char *saturate[2] = {
 154     [0] = "",
 155     [1] = ".sat"
 156 };
 157
 158 char *exec_size[8] = {
 159     [0] = "1",
 160     [1] = "2",
 161     [2] = "4",
 162     [3] = "8",
 163     [4] = "16",
 164     [5] = "32"
 165 };
 166
 167 char *pred_inv[2] = {
 168     [0] = "+",
 169     [1] = "-"
 170 };
 171
 172 char *pred_ctrl_align16[16] = {
 173     [1] = "",
 174     [2] = ".x",
 175     [3] = ".y",
 176     [4] = ".z",
 177     [5] = ".w",
 178     [6] = ".any4h",
 179     [7] = ".all4h",
 180 };
 181
 182 char *pred_ctrl_align1[16] = {
 183     [1] = "",
 184     [2] = ".anyv",
 185     [3] = ".allv",
 186     [4] = ".any2h",
 187     [5] = ".all2h",
 188     [6] = ".any4h",
 189     [7] = ".all4h",
 190     [8] = ".any8h",
 191     [9] = ".all8h",
 192     [10] = ".any16h",
 193     [11] = ".all16h",
 194 };
 195
 196 char *thread_ctrl[4] = {
 197     [0] = "",
 198     [2] = "switch"
 199 };
 200
 201 char *compr_ctrl[4] = {
 202     [0] = "",
 203     [1] = "sechalf",
 204     [2] = "compr",
 205 };
 206
 207 char *dep_ctrl[4] = {
 208     [0] = "",
 209     [1] = "NoDDClr",
 210     [2] = "NoDDChk",
 211     [3] = "NoDDClr,NoDDChk",
 212 };
 213
 214 char *mask_ctrl[4] = {
 215     [0] = "",
 216     [1] = "nomask",
 217 };
 218
 219 char *access_mode[2] = {
 220     [0] = "align1",
 221     [1] = "align16",
 222 };
 223
 224 char *reg_encoding[8] = {
 225     [0] = "UD",
 226     [1] = "D",
 227     [2] = "UW",
 228     [3] = "W",
 229     [4] = "UB",
 230     [5] = "B",
 231     [7] = "F"
 232 };
 233
 234 char *imm_encoding[8] = {
 235     [0] = "UD",
 236     [1] = "D",
 237     [2] = "UW",
 238     [3] = "W",
 239     [5] = "VF",
 240     [5] = "V",
 241     [7] = "F"
 242 };
 243
 244 char *reg_file[4] = {
 245     [0] = "A",
 246     [1] = "g",
 247     [2] = "m",
 248     [3] = "imm",
 249 };
 250
 251 char *writemask[16] = {
 252     [0x0] = ".",
 253     [0x1] = ".x",
 254     [0x2] = ".y",
 255     [0x3] = ".xy",
 256     [0x4] = ".z",
 257     [0x5] = ".xz",
 258     [0x6] = ".yz",
 259     [0x7] = ".xyz",
 260     [0x8] = ".w",
 261     [0x9] = ".xw",
 262     [0xa] = ".yw",
 263     [0xb] = ".xyw",
 264     [0xc] = ".zw",
 265     [0xd] = ".xzw",
 266     [0xe] = ".yzw",
 267     [0xf] = "",
 268 };
 269
 270 char *end_of_thread[2] = {
 271     [0] = "",
 272     [1] = "EOT"
 273 };
 274
 275 char *target_function[16] = {
 276     [BRW_MESSAGE_TARGET_NULL] = "null",
 277     [BRW_MESSAGE_TARGET_MATH] = "math",
 278     [BRW_MESSAGE_TARGET_SAMPLER] = "sampler",
 279     [BRW_MESSAGE_TARGET_GATEWAY] = "gateway",
 280     [BRW_MESSAGE_TARGET_DATAPORT_READ] = "read",
 281     [BRW_MESSAGE_TARGET_DATAPORT_WRITE] = "write",
 282     [BRW_MESSAGE_TARGET_URB] = "urb",
 283     [BRW_MESSAGE_TARGET_THREAD_SPAWNER] = "thread_spawner"
 284 };
 285
 286 char *math_function[16] = {
 287     [BRW_MATH_FUNCTION_INV] = "inv",
 288     [BRW_MATH_FUNCTION_LOG] = "log",
 289     [BRW_MATH_FUNCTION_EXP] = "exp",
 290     [BRW_MATH_FUNCTION_SQRT] = "sqrt",
 291     [BRW_MATH_FUNCTION_RSQ] = "rsq",
 292     [BRW_MATH_FUNCTION_SIN] = "sin",
 293     [BRW_MATH_FUNCTION_COS] = "cos",
 294     [BRW_MATH_FUNCTION_SINCOS] = "sincos",
 295     [BRW_MATH_FUNCTION_TAN] = "tan",
 296     [BRW_MATH_FUNCTION_POW] = "pow",
 297     [BRW_MATH_FUNCTION_INT_DIV_QUOTIENT_AND_REMAINDER] = "intdivmod",
 298     [BRW_MATH_FUNCTION_INT_DIV_QUOTIENT] = "intmod",
 299     [BRW_MATH_FUNCTION_INT_DIV_REMAINDER] = "intdiv",
 300 };
 301
 302 char *math_saturate[2] = {
 303     [0] = "",
 304     [1] = "sat"
 305 };
 306
 307 char *math_signed[2] = {
 308     [0] = "",
 309     [1] = "signed"
 310 };
 311
 312 char *math_scalar[2] = {
 313     [0] = "",
 314     [1] = "scalar"
 315 };
 316
 317 char *math_precision[2] = {
 318     [0] = "",
 319     [1] = "partial_precision"
 320 };
 321
 322 char *urb_swizzle[4] = {
 323     [BRW_URB_SWIZZLE_NONE] = "",
 324     [BRW_URB_SWIZZLE_INTERLEAVE] = "interleave",
 325     [BRW_URB_SWIZZLE_TRANSPOSE] = "transpose",
 326 };
 327
 328 char *urb_allocate[2] = {
 329     [0] = "",
 330     [1] = "allocate"
 331 };
 332
 333 char *urb_used[2] = {
 334     [0] = "",
 335     [1] = "used"
 336 };
 337
 338 char *urb_complete[2] = {
 339     [0] = "",
 340     [1] = "complete"
 341 };
 342
 343 char *sampler_target_format[4] = {
 344     [0] = "F",
 345     [2] = "UD",
 346     [3] = "D"
 347 };
 348
 349
 350 static int column;
 351
 352 static int string (FILE *file, char *string)
 353 {
 354     fputs (string, file);
 355     column += strlen (string);
 356     return 0;
 357 }
 358
 359 static int format (FILE *f, char *format, ...)
 360 {
 361     char    buf[1024];
 362     va_list     args;
 363     va_start (args, format);
 364
 365     vsnprintf (buf, sizeof (buf) - 1, format, args);
 366     string (f, buf);
 367     return 0;
 368 }
 369
 370 static int newline (FILE *f)
 371 {
 372     putc ('\n', f);
 373     column = 0;
 374     return 0;
 375 }
 376
 377 static int pad (FILE *f, int c)
 378 {
 379     do
 380         string (f, " ");
 381     while (column < c);
 382     return 0;
 383 }
 384
 385 static int control (FILE *file, char *name, char *ctrl[], GLuint id, int *space)
 386 {
 387     if (!ctrl[id]) {
 388         fprintf (file, "*** invalid %s value %d ",
 389                  name, id);
 390         return 1;
 391     }
 392     if (ctrl[id][0])
 393     {
 394         if (space && *space)
 395             string (file, " ");
 396         string (file, ctrl[id]);
 397         if (space)
 398             *space = 1;
 399     }
 400     return 0;
 401 }
 402
 403 static int print_opcode (FILE *file, int id)
 404 {
 405     if (!opcode[id].name) {
 406         format (file, "*** invalid opcode value %d ", id);
 407         return 1;
 408     }
 409     string (file, opcode[id].name);
 410     return 0;
 411 }
 412
 413 static int reg (FILE *file, GLuint _reg_file, GLuint _reg_nr)
 414 {
 415     int err = 0;
 416     if (_reg_file == BRW_ARCHITECTURE_REGISTER_FILE) {
 417         switch (_reg_nr & 0xf0) {
 418         case BRW_ARF_NULL:
 419             string (file, "null");
 420             return -1;
 421         case BRW_ARF_ADDRESS:
 422             format (file, "a%d", _reg_nr & 0x0f);
 423             break;
 424         case BRW_ARF_ACCUMULATOR:
 425             format (file, "acc%d", _reg_nr & 0x0f);
 426             break;
 427         case BRW_ARF_MASK:
 428             format (file, "mask%d", _reg_nr & 0x0f);
 429             break;
 430         case BRW_ARF_MASK_STACK:
 431             format (file, "msd%d", _reg_nr & 0x0f);
 432             break;
 433         case BRW_ARF_STATE:
 434             format (file, "sr%d", _reg_nr & 0x0f);
 435             break;
 436         case BRW_ARF_CONTROL:
 437             format (file, "cr%d", _reg_nr & 0x0f);
 438             break;
 439         case BRW_ARF_NOTIFICATION_COUNT:
 440             format (file, "n%d", _reg_nr & 0x0f);
 441             break;
 442         case BRW_ARF_IP:
 443             string (file, "ip");
 444             return -1;
 445             break;
 446         default:
 447             format (file, "ARF%d", _reg_nr);
 448             break;
 449         }
 450     } else {
 451         err  |= control (file, "src reg file", reg_file, _reg_file, NULL);
 452         format (file, "%d", _reg_nr);
 453     }
 454     return err;
 455 }
 456
 457 static int dest (FILE *file, struct brw_instruction *inst)
 458 {
 459     int err = 0;
 460
 461     if (inst->header.access_mode == BRW_ALIGN_1)
 462     {
 463         if (inst->bits1.da1.dest_address_mode == BRW_ADDRESS_DIRECT)
 464         {
 465             err |= reg (file, inst->bits1.da1.dest_reg_file, inst->bits1.da1.dest_reg_nr);
 466             if (err == -1)
 467                 return 0;
 468             if (inst->bits1.da1.dest_subreg_nr)
 469                 format (file, ".%d", inst->bits1.da1.dest_subreg_nr);
 470             format (file, "<%d>", inst->bits1.da1.dest_horiz_stride);
 471             err |= control (file, "dest reg encoding", reg_encoding, inst->bits1.da1.dest_reg_type, NULL);
 472         }
 473         else
 474         {
 475             string (file, "g[a0");
 476             if (inst->bits1.ia1.dest_subreg_nr)
 477                 format (file, ".%d", inst->bits1.ia1.dest_subreg_nr);
 478             if (inst->bits1.ia1.dest_indirect_offset)
 479                 format (file, " %d", inst->bits1.ia1.dest_indirect_offset);
 480             string (file, "]");
 481             format (file, "<%d>", inst->bits1.ia1.dest_horiz_stride);
 482             err |= control (file, "dest reg encoding", reg_encoding, inst->bits1.ia1.dest_reg_type, NULL);
 483         }
 484     }
 485     else
 486     {
 487         if (inst->bits1.da16.dest_address_mode == BRW_ADDRESS_DIRECT)
 488         {
 489             err |= reg (file, inst->bits1.da16.dest_reg_file, inst->bits1.da16.dest_reg_nr);
 490             if (err == -1)
 491                 return 0;
 492             if (inst->bits1.da16.dest_subreg_nr)
 493                 format (file, ".%d", inst->bits1.da16.dest_subreg_nr);
 494             string (file, "<1>");
 495             err |= control (file, "writemask", writemask, inst->bits1.da16.dest_writemask, NULL);
 496             err |= control (file, "dest reg encoding", reg_encoding, inst->bits1.da16.dest_reg_type, NULL);
 497         }
 498         else
 499         {
 500             err = 1;
 501             string (file, "Indirect align16 address mode not supported");
 502         }
 503     }
 504
 505     return 0;
 506 }
 507
 508 static int src_align1_region (FILE *file,
 509                               GLuint _vert_stride, GLuint _width, GLuint _horiz_stride)
 510 {
 511     int err = 0;
 512     string (file, "<");
 513     err |= control (file, "vert stride", vert_stride, _vert_stride, NULL);
 514     string (file, ",");
 515     err |= control (file, "width", width, _width, NULL);
 516     string (file, ",");
 517     err |= control (file, "horiz_stride", horiz_stride, _horiz_stride, NULL);
 518     string (file, ">");
 519     return err;
 520 }
 521
 522 static int src_da1 (FILE *file, GLuint type, GLuint _reg_file,
 523                     GLuint _vert_stride, GLuint _width, GLuint _horiz_stride,
 524                     GLuint reg_num, GLuint sub_reg_num, GLuint __abs, GLuint _negate)
 525 {
 526     int err = 0;
 527     err |= control (file, "negate", negate, _negate, NULL);
 528     err |= control (file, "abs", _abs, __abs, NULL);
 529
 530     err |= reg (file, _reg_file, reg_num);
 531     if (err == -1)
 532         return 0;
 533     if (sub_reg_num)
 534         format (file, ".%d", sub_reg_num);
 535     src_align1_region (file, _vert_stride, _width, _horiz_stride);
 536     err |= control (file, "src reg encoding", reg_encoding, type, NULL);
 537     return err;
 538 }
 539
 540 static int src_ia1 (FILE *file,
 541                     GLuint type,
 542                     GLuint _reg_file,
 543                     GLint _addr_imm,
 544                     GLuint _addr_subreg_nr,
 545                     GLuint _negate,
 546                     GLuint __abs,
 547                     GLuint _addr_mode,
 548                     GLuint _horiz_stride,
 549                     GLuint _width,
 550                     GLuint _vert_stride)
 551 {
 552     int err = 0;
 553     err |= control (file, "negate", negate, _negate, NULL);
 554     err |= control (file, "abs", _abs, __abs, NULL);
 555
 556     string (file, "g[a0");
 557     if (_addr_subreg_nr)
 558         format (file, ".%d", _addr_subreg_nr);
 559     if (_addr_imm)
 560         format (file, " %d", _addr_imm);
 561     string (file, "]");
 562     src_align1_region (file, _vert_stride, _width, _horiz_stride);
 563     err |= control (file, "src reg encoding", reg_encoding, type, NULL);
 564     return err;
 565 }
 566
 567 static int src_da16 (FILE *file,
 568                      GLuint _reg_type,
 569                      GLuint _reg_file,
 570                      GLuint _vert_stride,
 571                      GLuint _reg_nr,
 572                      GLuint _subreg_nr,
 573                      GLuint __abs,
 574                      GLuint _negate,
 575                      GLuint swz_x,
 576                      GLuint swz_y,
 577                      GLuint swz_z,
 578                      GLuint swz_w)
 579 {
 580     int err = 0;
 581     err |= control (file, "negate", negate, _negate, NULL);
 582     err |= control (file, "abs", _abs, __abs, NULL);
 583
 584     err |= reg (file, _reg_file, _reg_nr);
 585     if (err == -1)
 586         return 0;
 587     if (_subreg_nr)
 588         format (file, ".%d", _subreg_nr);
 589     string (file, "<");
 590     err |= control (file, "vert stride", vert_stride, _vert_stride, NULL);
 591     string (file, ",1,1>");
 592     err |= control (file, "src da16 reg type", reg_encoding, _reg_type, NULL);
 593     /*
 594      * Three kinds of swizzle display:
 595      *  identity - nothing printed
 596      *  1->all   - print the single channel
 597      *  1->1     - print the mapping
 598      */
 599     if (swz_x == BRW_CHANNEL_X &&
 600         swz_y == BRW_CHANNEL_Y &&
 601         swz_z == BRW_CHANNEL_Z &&
 602         swz_w == BRW_CHANNEL_W)
 603     {
 604         ;
 605     }
 606     else if (swz_x == swz_y && swz_x == swz_z && swz_x == swz_w)
 607     {
 608         string (file, ".");
 609         err |= control (file, "channel select", chan_sel, swz_x, NULL);
 610     }
 611     else
 612     {
 613         string (file, ".");
 614         err |= control (file, "channel select", chan_sel, swz_x, NULL);
 615         err |= control (file, "channel select", chan_sel, swz_y, NULL);
 616         err |= control (file, "channel select", chan_sel, swz_z, NULL);
 617         err |= control (file, "channel select", chan_sel, swz_w, NULL);
 618     }
 619     return err;
 620 }
 621
 622
 623 static int imm (FILE *file, GLuint type, struct brw_instruction *inst) {
 624     switch (type) {
 625     case BRW_REGISTER_TYPE_UD:
 626         format (file, "0x%08xUD", inst->bits3.ud);
 627         break;
 628     case BRW_REGISTER_TYPE_D:
 629         format (file, "%dD", inst->bits3.id);
 630         break;
 631     case BRW_REGISTER_TYPE_UW:
 632         format (file, "0x%04xUW", (uint16_t) inst->bits3.ud);
 633         break;
 634     case BRW_REGISTER_TYPE_W:
 635         format (file, "%dW", (int16_t) inst->bits3.id);
 636         break;
 637     case BRW_REGISTER_TYPE_UB:
 638         format (file, "0x%02xUB", (int8_t) inst->bits3.ud);
 639         break;
 640     case BRW_REGISTER_TYPE_VF:
 641         format (file, "Vector Float");
 642         break;
 643     case BRW_REGISTER_TYPE_V:
 644         format (file, "0x%08xV", inst->bits3.ud);
 645         break;
 646     case BRW_REGISTER_TYPE_F:
 647         format (file, "%-gF", inst->bits3.fd);
 648     }
 649     return 0;
 650 }
 651
 652 static int src0 (FILE *file, struct brw_instruction *inst)
 653 {
 654     if (inst->bits1.da1.src0_reg_file == BRW_IMMEDIATE_VALUE)
 655         return imm (file, inst->bits1.da1.src0_reg_type,
 656                     inst);
 657     else if (inst->header.access_mode == BRW_ALIGN_1)
 658     {
 659         if (inst->bits2.da1.src0_address_mode == BRW_ADDRESS_DIRECT)
 660         {
 661             return src_da1 (file,
 662                             inst->bits1.da1.src0_reg_type,
 663                             inst->bits1.da1.src0_reg_file,
 664                             inst->bits2.da1.src0_vert_stride,
 665                             inst->bits2.da1.src0_width,
 666                             inst->bits2.da1.src0_horiz_stride,
 667                             inst->bits2.da1.src0_reg_nr,
 668                             inst->bits2.da1.src0_subreg_nr,
 669                             inst->bits2.da1.src0_abs,
 670                             inst->bits2.da1.src0_negate);
 671         }
 672         else
 673         {
 674             return src_ia1 (file,
 675                             inst->bits1.ia1.src0_reg_type,
 676                             inst->bits1.ia1.src0_reg_file,
 677                             inst->bits2.ia1.src0_indirect_offset,
 678                             inst->bits2.ia1.src0_subreg_nr,
 679                             inst->bits2.ia1.src0_negate,
 680                             inst->bits2.ia1.src0_abs,
 681                             inst->bits2.ia1.src0_address_mode,
 682                             inst->bits2.ia1.src0_horiz_stride,
 683                             inst->bits2.ia1.src0_width,
 684                             inst->bits2.ia1.src0_vert_stride);
 685         }
 686     }
 687     else
 688     {
 689         if (inst->bits2.da16.src0_address_mode == BRW_ADDRESS_DIRECT)
 690         {
 691             return src_da16 (file,
 692                              inst->bits1.da16.src0_reg_type,
 693                              inst->bits1.da16.src0_reg_file,
 694                              inst->bits2.da16.src0_vert_stride,
 695                              inst->bits2.da16.src0_reg_nr,
 696                              inst->bits2.da16.src0_subreg_nr,
 697                              inst->bits2.da16.src0_abs,
 698                              inst->bits2.da16.src0_negate,
 699                              inst->bits2.da16.src0_swz_x,
 700                              inst->bits2.da16.src0_swz_y,
 701                              inst->bits2.da16.src0_swz_z,
 702                              inst->bits2.da16.src0_swz_w);
 703         }
 704         else
 705         {
 706             string (file, "Indirect align16 address mode not supported");
 707             return 1;
 708         }
 709     }
 710 }
 711
 712 static int src1 (FILE *file, struct brw_instruction *inst)
 713 {
 714     if (inst->bits1.da1.src1_reg_file == BRW_IMMEDIATE_VALUE)
 715         return imm (file, inst->bits1.da1.src1_reg_type,
 716                     inst);
 717     else if (inst->header.access_mode == BRW_ALIGN_1)
 718     {
 719         if (inst->bits3.da1.src1_address_mode == BRW_ADDRESS_DIRECT)
 720         {
 721             return src_da1 (file,
 722                             inst->bits1.da1.src1_reg_type,
 723                             inst->bits1.da1.src1_reg_file,
 724                             inst->bits3.da1.src1_vert_stride,
 725                             inst->bits3.da1.src1_width,
 726                             inst->bits3.da1.src1_horiz_stride,
 727                             inst->bits3.da1.src1_reg_nr,
 728                             inst->bits3.da1.src1_subreg_nr,
 729                             inst->bits3.da1.src1_abs,
 730                             inst->bits3.da1.src1_negate);
 731         }
 732         else
 733         {
 734             return src_ia1 (file,
 735                             inst->bits1.ia1.src1_reg_type,
 736                             inst->bits1.ia1.src1_reg_file,
 737                             inst->bits3.ia1.src1_indirect_offset,
 738                             inst->bits3.ia1.src1_subreg_nr,
 739                             inst->bits3.ia1.src1_negate,
 740                             inst->bits3.ia1.src1_abs,
 741                             inst->bits3.ia1.src1_address_mode,
 742                             inst->bits3.ia1.src1_horiz_stride,
 743                             inst->bits3.ia1.src1_width,
 744                             inst->bits3.ia1.src1_vert_stride);
 745         }
 746     }
 747     else
 748     {
 749         if (inst->bits3.da16.src1_address_mode == BRW_ADDRESS_DIRECT)
 750         {
 751             return src_da16 (file,
 752                              inst->bits1.da16.src1_reg_type,
 753                              inst->bits1.da16.src1_reg_file,
 754                              inst->bits3.da16.src1_vert_stride,
 755                              inst->bits3.da16.src1_reg_nr,
 756                              inst->bits3.da16.src1_subreg_nr,
 757                              inst->bits3.da16.src1_abs,
 758                              inst->bits3.da16.src1_negate,
 759                              inst->bits3.da16.src1_swz_x,
 760                              inst->bits3.da16.src1_swz_y,
 761                              inst->bits3.da16.src1_swz_z,
 762                              inst->bits3.da16.src1_swz_w);
 763         }
 764         else
 765         {
 766             string (file, "Indirect align16 address mode not supported");
 767             return 1;
 768         }
 769     }
 770 }
 771
 772 int disasm (FILE *file, struct brw_instruction *inst)
 773 {
 774     int err = 0;
 775     int space = 0;
 776
 777     if (inst->header.predicate_control) {
 778         string (file, "(");
 779         err |= control (file, "predicate inverse", pred_inv, inst->header.predicate_inverse, NULL);
 780         string (file, "f0");
 781         if (inst->bits2.da1.flag_reg_nr)
 782             format (file, ".%d", inst->bits2.da1.flag_reg_nr);
 783         if (inst->header.access_mode == BRW_ALIGN_1)
 784             err |= control (file, "predicate control align1", pred_ctrl_align1,
 785                             inst->header.predicate_control, NULL);
 786         else
 787             err |= control (file, "predicate control align16", pred_ctrl_align16,
 788                             inst->header.predicate_control, NULL);
 789         string (file, ") ");
 790     }
 791
 792     err |= print_opcode (file, inst->header.opcode);
 793     err |= control (file, "saturate", saturate, inst->header.saturate, NULL);
 794     err |= control (file, "debug control", debug_ctrl, inst->header.debug_control, NULL);
 795
 796     if (inst->header.opcode != BRW_OPCODE_SEND)
 797         err |= control (file, "conditional modifier", conditional_modifier,
 798                         inst->header.destreg__conditionalmod, NULL);
 799
 800     if (inst->header.opcode != BRW_OPCODE_NOP) {
 801         string (file, "(");
 802         err |= control (file, "execution size", exec_size, inst->header.execution_size, NULL);
 803         string (file, ")");
 804     }
 805
 806     if (inst->header.opcode == BRW_OPCODE_SEND)
 807         format (file, " %d", inst->header.destreg__conditionalmod);
 808
 809     if (opcode[inst->header.opcode].ndst > 0) {
 810         pad (file, 16);
 811         err |= dest (file, inst);
 812     }
 813     if (opcode[inst->header.opcode].nsrc > 0) {
 814         pad (file, 32);
 815         err |= src0 (file, inst);
 816     }
 817     if (opcode[inst->header.opcode].nsrc > 1) {
 818         pad (file, 48);
 819         err |= src1 (file, inst);
 820     }
 821
 822     if (inst->header.opcode == BRW_OPCODE_SEND) {
 823         newline (file);
 824         pad (file, 16);
 825         space = 0;
 826         err |= control (file, "target function", target_function,
 827                         inst->bits3.generic.msg_target, &space);
 828         switch (inst->bits3.generic.msg_target) {
 829         case BRW_MESSAGE_TARGET_MATH:
 830             err |= control (file, "math function", math_function,
 831                             inst->bits3.math.function, &space);
 832             err |= control (file, "math saturate", math_saturate,
 833                             inst->bits3.math.saturate, &space);
 834             err |= control (file, "math signed", math_signed,
 835                             inst->bits3.math.int_type, &space);
 836             err |= control (file, "math scalar", math_scalar,
 837                             inst->bits3.math.data_type, &space);
 838             err |= control (file, "math precision", math_precision,
 839                             inst->bits3.math.precision, &space);
 840             break;
 841         case BRW_MESSAGE_TARGET_SAMPLER:
 842             format (file, " (%d, %d, ",
 843                     inst->bits3.sampler.binding_table_index,
 844                     inst->bits3.sampler.sampler);
 845             err |= control (file, "sampler target format", sampler_target_format,
 846                             inst->bits3.sampler.return_format, NULL);
 847             string (file, ")");
 848             break;
 849         case BRW_MESSAGE_TARGET_DATAPORT_WRITE:
 850             format (file, " (%d, %d, %d, %d)",
 851                     inst->bits3.dp_write.binding_table_index,
 852                     (inst->bits3.dp_write.pixel_scoreboard_clear << 3) |
 853                     inst->bits3.dp_write.msg_control,
 854                     inst->bits3.dp_write.msg_type,
 855                     inst->bits3.dp_write.send_commit_msg);
 856             break;
 857         case BRW_MESSAGE_TARGET_URB:
 858             format (file, " %d", inst->bits3.urb.offset);
 859             space = 1;
 860             err |= control (file, "urb swizzle", urb_swizzle,
 861                             inst->bits3.urb.swizzle_control, &space);
 862             err |= control (file, "urb allocate", urb_allocate,
 863                             inst->bits3.urb.allocate, &space);
 864             err |= control (file, "urb used", urb_used,
 865                             inst->bits3.urb.used, &space);
 866             err |= control (file, "urb complete", urb_complete,
 867                             inst->bits3.urb.complete, &space);
 868             break;
 869         case BRW_MESSAGE_TARGET_THREAD_SPAWNER:
 870             break;
 871         default:
 872             format (file, "unsupported target %d", inst->bits3.generic.msg_target);
 873             break;
 874         }
 875         if (space)
 876             string (file, " ");
 877         format (file, "mlen %d",
 878                 inst->bits3.generic.msg_length);
 879         format (file, " rlen %d",
 880                 inst->bits3.generic.response_length);
 881     }
 882     pad (file, 64);
 883     if (inst->header.opcode != BRW_OPCODE_NOP) {
 884         string (file, "{");
 885         space = 1;
 886         err |= control(file, "access mode", access_mode, inst->header.access_mode, &space);
 887         err |= control (file, "mask control", mask_ctrl, inst->header.mask_control, &space);
 888         err |= control (file, "dependency control", dep_ctrl, inst->header.dependency_control, &space);
 889         err |= control (file, "compression control", compr_ctrl, inst->header.compression_control, &space);
 890         err |= control (file, "thread control", thread_ctrl, inst->header.thread_control, &space);
 891         if (inst->header.opcode == BRW_OPCODE_SEND)
 892             err |= control (file, "end of thread", end_of_thread,
 893                             inst->bits3.generic.end_of_thread, &space);
 894         if (space)
 895             string (file, " ");
 896         string (file, "}");
 897     }
 898     string (file, ";");
 899     newline (file);
 900     return err;
 901 }