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 "main/mtypes.h"
  31
  32 #include "brw_context.h"
  33 #include "brw_defines.h"
  34
  35 struct {
  36     char    *name;
  37     int     nsrc;
  38     int     ndst;
  39 } opcode[128] = {
  40     [BRW_OPCODE_MOV] = { .name = "mov", .nsrc = 1, .ndst = 1 },
  41     [BRW_OPCODE_FRC] = { .name = "frc", .nsrc = 1, .ndst = 1 },
  42     [BRW_OPCODE_RNDU] = { .name = "rndu", .nsrc = 1, .ndst = 1 },
  43     [BRW_OPCODE_RNDD] = { .name = "rndd", .nsrc = 1, .ndst = 1 },
  44     [BRW_OPCODE_RNDE] = { .name = "rnde", .nsrc = 1, .ndst = 1 },
  45     [BRW_OPCODE_RNDZ] = { .name = "rndz", .nsrc = 1, .ndst = 1 },
  46     [BRW_OPCODE_NOT] = { .name = "not", .nsrc = 1, .ndst = 1 },
  47     [BRW_OPCODE_LZD] = { .name = "lzd", .nsrc = 1, .ndst = 1 },
  48
  49     [BRW_OPCODE_MUL] = { .name = "mul", .nsrc = 2, .ndst = 1 },
  50     [BRW_OPCODE_MAC] = { .name = "mac", .nsrc = 2, .ndst = 1 },
  51     [BRW_OPCODE_MACH] = { .name = "mach", .nsrc = 2, .ndst = 1 },
  52     [BRW_OPCODE_LINE] = { .name = "line", .nsrc = 2, .ndst = 1 },
  53     [BRW_OPCODE_SAD2] = { .name = "sad2", .nsrc = 2, .ndst = 1 },
  54     [BRW_OPCODE_SADA2] = { .name = "sada2", .nsrc = 2, .ndst = 1 },
  55     [BRW_OPCODE_DP4] = { .name = "dp4", .nsrc = 2, .ndst = 1 },
  56     [BRW_OPCODE_DPH] = { .name = "dph", .nsrc = 2, .ndst = 1 },
  57     [BRW_OPCODE_DP3] = { .name = "dp3", .nsrc = 2, .ndst = 1 },
  58     [BRW_OPCODE_DP2] = { .name = "dp2", .nsrc = 2, .ndst = 1 },
  59
  60     [BRW_OPCODE_AVG] = { .name = "avg", .nsrc = 2, .ndst = 1 },
  61     [BRW_OPCODE_ADD] = { .name = "add", .nsrc = 2, .ndst = 1 },
  62     [BRW_OPCODE_SEL] = { .name = "sel", .nsrc = 2, .ndst = 1 },
  63     [BRW_OPCODE_AND] = { .name = "and", .nsrc = 2, .ndst = 1 },
  64     [BRW_OPCODE_OR] = { .name = "or", .nsrc = 2, .ndst = 1 },
  65     [BRW_OPCODE_XOR] = { .name = "xor", .nsrc = 2, .ndst = 1 },
  66     [BRW_OPCODE_SHR] = { .name = "shr", .nsrc = 2, .ndst = 1 },
  67     [BRW_OPCODE_SHL] = { .name = "shl", .nsrc = 2, .ndst = 1 },
  68     [BRW_OPCODE_ASR] = { .name = "asr", .nsrc = 2, .ndst = 1 },
  69     [BRW_OPCODE_CMP] = { .name = "cmp", .nsrc = 2, .ndst = 1 },
  70     [BRW_OPCODE_CMPN] = { .name = "cmpn", .nsrc = 2, .ndst = 1 },
  71
  72     [BRW_OPCODE_SEND] = { .name = "send", .nsrc = 1, .ndst = 1 },
  73     [BRW_OPCODE_NOP] = { .name = "nop", .nsrc = 0, .ndst = 0 },
  74     [BRW_OPCODE_JMPI] = { .name = "jmpi", .nsrc = 1, .ndst = 0 },
  75     [BRW_OPCODE_IF] = { .name = "if", .nsrc = 2, .ndst = 0 },
  76     [BRW_OPCODE_IFF] = { .name = "iff", .nsrc = 1, .ndst = 01 },
  77     [BRW_OPCODE_WHILE] = { .name = "while", .nsrc = 1, .ndst = 0 },
  78     [BRW_OPCODE_ELSE] = { .name = "else", .nsrc = 2, .ndst = 0 },
  79     [BRW_OPCODE_BREAK] = { .name = "break", .nsrc = 1, .ndst = 0 },
  80     [BRW_OPCODE_CONTINUE] = { .name = "cont", .nsrc = 1, .ndst = 0 },
  81     [BRW_OPCODE_HALT] = { .name = "halt", .nsrc = 1, .ndst = 0 },
  82     [BRW_OPCODE_MSAVE] = { .name = "msave", .nsrc = 1, .ndst = 1 },
  83     [BRW_OPCODE_PUSH] = { .name = "push", .nsrc = 1, .ndst = 1 },
  84     [BRW_OPCODE_MRESTORE] = { .name = "mrest", .nsrc = 1, .ndst = 1 },
  85     [BRW_OPCODE_POP] = { .name = "pop", .nsrc = 2, .ndst = 0 },
  86     [BRW_OPCODE_WAIT] = { .name = "wait", .nsrc = 1, .ndst = 0 },
  87     [BRW_OPCODE_DO] = { .name = "do", .nsrc = 0, .ndst = 0 },
  88     [BRW_OPCODE_ENDIF] = { .name = "endif", .nsrc = 2, .ndst = 0 },
  89 };
  90
  91 char *conditional_modifier[16] = {
  92     [BRW_CONDITIONAL_NONE] = "",
  93     [BRW_CONDITIONAL_Z] = ".e",
  94     [BRW_CONDITIONAL_NZ] = ".ne",
  95     [BRW_CONDITIONAL_G] = ".g",
  96     [BRW_CONDITIONAL_GE] = ".ge",
  97     [BRW_CONDITIONAL_L] = ".l",
  98     [BRW_CONDITIONAL_LE] = ".le",
  99     [BRW_CONDITIONAL_R] = ".r",
 100     [BRW_CONDITIONAL_O] = ".o",
 101     [BRW_CONDITIONAL_U] = ".u",
 102 };
 103
 104 char *negate[2] = {
 105     [0] = "",
 106     [1] = "-",
 107 };
 108
 109 char *_abs[2] = {
 110     [0] = "",
 111     [1] = "(abs)",
 112 };
 113
 114 char *vert_stride[16] = {
 115     [0] = "0",
 116     [1] = "1",
 117     [2] = "2",
 118     [3] = "4",
 119     [4] = "8",
 120     [5] = "16",
 121     [6] = "32",
 122     [15] = "VxH",
 123 };
 124
 125 char *width[8] = {
 126     [0] = "1",
 127     [1] = "2",
 128     [2] = "4",
 129     [3] = "8",
 130     [4] = "16",
 131 };
 132
 133 char *horiz_stride[4] = {
 134     [0] = "0",
 135     [1] = "1",
 136     [2] = "2",
 137     [3] = "4"
 138 };
 139
 140 char *chan_sel[4] = {
 141     [0] = "x",
 142     [1] = "y",
 143     [2] = "z",
 144     [3] = "w",
 145 };
 146
 147 char *dest_condmod[16] = {
 148 };
 149
 150 char *debug_ctrl[2] = {
 151     [0] = "",
 152     [1] = ".breakpoint"
 153 };
 154
 155 char *saturate[2] = {
 156     [0] = "",
 157     [1] = ".sat"
 158 };
 159
 160 char *exec_size[8] = {
 161     [0] = "1",
 162     [1] = "2",
 163     [2] = "4",
 164     [3] = "8",
 165     [4] = "16",
 166     [5] = "32"
 167 };
 168
 169 char *pred_inv[2] = {
 170     [0] = "+",
 171     [1] = "-"
 172 };
 173
 174 char *pred_ctrl_align16[16] = {
 175     [1] = "",
 176     [2] = ".x",
 177     [3] = ".y",
 178     [4] = ".z",
 179     [5] = ".w",
 180     [6] = ".any4h",
 181     [7] = ".all4h",
 182 };
 183
 184 char *pred_ctrl_align1[16] = {
 185     [1] = "",
 186     [2] = ".anyv",
 187     [3] = ".allv",
 188     [4] = ".any2h",
 189     [5] = ".all2h",
 190     [6] = ".any4h",
 191     [7] = ".all4h",
 192     [8] = ".any8h",
 193     [9] = ".all8h",
 194     [10] = ".any16h",
 195     [11] = ".all16h",
 196 };
 197
 198 char *thread_ctrl[4] = {
 199     [0] = "",
 200     [2] = "switch"
 201 };
 202
 203 char *compr_ctrl[4] = {
 204     [0] = "",
 205     [1] = "sechalf",
 206     [2] = "compr",
 207 };
 208
 209 char *dep_ctrl[4] = {
 210     [0] = "",
 211     [1] = "NoDDClr",
 212     [2] = "NoDDChk",
 213     [3] = "NoDDClr,NoDDChk",
 214 };
 215
 216 char *mask_ctrl[4] = {
 217     [0] = "",
 218     [1] = "nomask",
 219 };
 220
 221 char *access_mode[2] = {
 222     [0] = "align1",
 223     [1] = "align16",
 224 };
 225
 226 char *reg_encoding[8] = {
 227     [0] = "UD",
 228     [1] = "D",
 229     [2] = "UW",
 230     [3] = "W",
 231     [4] = "UB",
 232     [5] = "B",
 233     [7] = "F"
 234 };
 235
 236 char *imm_encoding[8] = {
 237     [0] = "UD",
 238     [1] = "D",
 239     [2] = "UW",
 240     [3] = "W",
 241     [5] = "VF",
 242     [5] = "V",
 243     [7] = "F"
 244 };
 245
 246 char *reg_file[4] = {
 247     [0] = "A",
 248     [1] = "g",
 249     [2] = "m",
 250     [3] = "imm",
 251 };
 252
 253 char *writemask[16] = {
 254     [0x0] = ".",
 255     [0x1] = ".x",
 256     [0x2] = ".y",
 257     [0x3] = ".xy",
 258     [0x4] = ".z",
 259     [0x5] = ".xz",
 260     [0x6] = ".yz",
 261     [0x7] = ".xyz",
 262     [0x8] = ".w",
 263     [0x9] = ".xw",
 264     [0xa] = ".yw",
 265     [0xb] = ".xyw",
 266     [0xc] = ".zw",
 267     [0xd] = ".xzw",
 268     [0xe] = ".yzw",
 269     [0xf] = "",
 270 };
 271
 272 char *end_of_thread[2] = {
 273     [0] = "",
 274     [1] = "EOT"
 275 };
 276
 277 char *target_function[16] = {
 278     [BRW_MESSAGE_TARGET_NULL] = "null",
 279     [BRW_MESSAGE_TARGET_MATH] = "math",
 280     [BRW_MESSAGE_TARGET_SAMPLER] = "sampler",
 281     [BRW_MESSAGE_TARGET_GATEWAY] = "gateway",
 282     [BRW_MESSAGE_TARGET_DATAPORT_READ] = "read",
 283     [BRW_MESSAGE_TARGET_DATAPORT_WRITE] = "write",
 284     [BRW_MESSAGE_TARGET_URB] = "urb",
 285     [BRW_MESSAGE_TARGET_THREAD_SPAWNER] = "thread_spawner"
 286 };
 287
 288 char *math_function[16] = {
 289     [BRW_MATH_FUNCTION_INV] = "inv",
 290     [BRW_MATH_FUNCTION_LOG] = "log",
 291     [BRW_MATH_FUNCTION_EXP] = "exp",
 292     [BRW_MATH_FUNCTION_SQRT] = "sqrt",
 293     [BRW_MATH_FUNCTION_RSQ] = "rsq",
 294     [BRW_MATH_FUNCTION_SIN] = "sin",
 295     [BRW_MATH_FUNCTION_COS] = "cos",
 296     [BRW_MATH_FUNCTION_SINCOS] = "sincos",
 297     [BRW_MATH_FUNCTION_TAN] = "tan",
 298     [BRW_MATH_FUNCTION_POW] = "pow",
 299     [BRW_MATH_FUNCTION_INT_DIV_QUOTIENT_AND_REMAINDER] = "intdivmod",
 300     [BRW_MATH_FUNCTION_INT_DIV_QUOTIENT] = "intmod",
 301     [BRW_MATH_FUNCTION_INT_DIV_REMAINDER] = "intdiv",
 302 };
 303
 304 char *math_saturate[2] = {
 305     [0] = "",
 306     [1] = "sat"
 307 };
 308
 309 char *math_signed[2] = {
 310     [0] = "",
 311     [1] = "signed"
 312 };
 313
 314 char *math_scalar[2] = {
 315     [0] = "",
 316     [1] = "scalar"
 317 };
 318
 319 char *math_precision[2] = {
 320     [0] = "",
 321     [1] = "partial_precision"
 322 };
 323
 324 char *urb_swizzle[4] = {
 325     [BRW_URB_SWIZZLE_NONE] = "",
 326     [BRW_URB_SWIZZLE_INTERLEAVE] = "interleave",
 327     [BRW_URB_SWIZZLE_TRANSPOSE] = "transpose",
 328 };
 329
 330 char *urb_allocate[2] = {
 331     [0] = "",
 332     [1] = "allocate"
 333 };
 334
 335 char *urb_used[2] = {
 336     [0] = "",
 337     [1] = "used"
 338 };
 339
 340 char *urb_complete[2] = {
 341     [0] = "",
 342     [1] = "complete"
 343 };
 344
 345 char *sampler_target_format[4] = {
 346     [0] = "F",
 347     [2] = "UD",
 348     [3] = "D"
 349 };
 350
 351
 352 static int column;
 353
 354 static int string (FILE *file, char *string)
 355 {
 356     fputs (string, file);
 357     column += strlen (string);
 358     return 0;
 359 }
 360
 361 static int format (FILE *f, char *format, ...)
 362 {
 363     char    buf[1024];
 364     va_list     args;
 365     va_start (args, format);
 366
 367     vsnprintf (buf, sizeof (buf) - 1, format, args);
 368     string (f, buf);
 369     return 0;
 370 }
 371
 372 static int newline (FILE *f)
 373 {
 374     putc ('\n', f);
 375     column = 0;
 376     return 0;
 377 }
 378
 379 static int pad (FILE *f, int c)
 380 {
 381     do
 382         string (f, " ");
 383     while (column < c);
 384     return 0;
 385 }
 386
 387 static int control (FILE *file, char *name, char *ctrl[], GLuint id, int *space)
 388 {
 389     if (!ctrl[id]) {
 390         fprintf (file, "*** invalid %s value %d ",
 391                  name, id);
 392         return 1;
 393     }
 394     if (ctrl[id][0])
 395     {
 396         if (space && *space)
 397             string (file, " ");
 398         string (file, ctrl[id]);
 399         if (space)
 400             *space = 1;
 401     }
 402     return 0;
 403 }
 404
 405 static int print_opcode (FILE *file, int id)
 406 {
 407     if (!opcode[id].name) {
 408         format (file, "*** invalid opcode value %d ", id);
 409         return 1;
 410     }
 411     string (file, opcode[id].name);
 412     return 0;
 413 }
 414
 415 static int reg (FILE *file, GLuint _reg_file, GLuint _reg_nr)
 416 {
 417     int err = 0;
 418     if (_reg_file == BRW_ARCHITECTURE_REGISTER_FILE) {
 419         switch (_reg_nr & 0xf0) {
 420         case BRW_ARF_NULL:
 421             string (file, "null");
 422             return -1;
 423         case BRW_ARF_ADDRESS:
 424             format (file, "a%d", _reg_nr & 0x0f);
 425             break;
 426         case BRW_ARF_ACCUMULATOR:
 427             format (file, "acc%d", _reg_nr & 0x0f);
 428             break;
 429         case BRW_ARF_MASK:
 430             format (file, "mask%d", _reg_nr & 0x0f);
 431             break;
 432         case BRW_ARF_MASK_STACK:
 433             format (file, "msd%d", _reg_nr & 0x0f);
 434             break;
 435         case BRW_ARF_STATE:
 436             format (file, "sr%d", _reg_nr & 0x0f);
 437             break;
 438         case BRW_ARF_CONTROL:
 439             format (file, "cr%d", _reg_nr & 0x0f);
 440             break;
 441         case BRW_ARF_NOTIFICATION_COUNT:
 442             format (file, "n%d", _reg_nr & 0x0f);
 443             break;
 444         case BRW_ARF_IP:
 445             string (file, "ip");
 446             return -1;
 447             break;
 448         default:
 449             format (file, "ARF%d", _reg_nr);
 450             break;
 451         }
 452     } else {
 453         err  |= control (file, "src reg file", reg_file, _reg_file, NULL);
 454         format (file, "%d", _reg_nr);
 455     }
 456     return err;
 457 }
 458
 459 static int dest (FILE *file, struct brw_instruction *inst)
 460 {
 461     int err = 0;
 462
 463     if (inst->header.access_mode == BRW_ALIGN_1)
 464     {
 465         if (inst->bits1.da1.dest_address_mode == BRW_ADDRESS_DIRECT)
 466         {
 467             err |= reg (file, inst->bits1.da1.dest_reg_file, inst->bits1.da1.dest_reg_nr);
 468             if (err == -1)
 469                 return 0;
 470             if (inst->bits1.da1.dest_subreg_nr)
 471                 format (file, ".%d", inst->bits1.da1.dest_subreg_nr);
 472             format (file, "<%d>", inst->bits1.da1.dest_horiz_stride);
 473             err |= control (file, "dest reg encoding", reg_encoding, inst->bits1.da1.dest_reg_type, NULL);
 474         }
 475         else
 476         {
 477             string (file, "g[a0");
 478             if (inst->bits1.ia1.dest_subreg_nr)
 479                 format (file, ".%d", inst->bits1.ia1.dest_subreg_nr);
 480             if (inst->bits1.ia1.dest_indirect_offset)
 481                 format (file, " %d", inst->bits1.ia1.dest_indirect_offset);
 482             string (file, "]");
 483             format (file, "<%d>", inst->bits1.ia1.dest_horiz_stride);
 484             err |= control (file, "dest reg encoding", reg_encoding, inst->bits1.ia1.dest_reg_type, NULL);
 485         }
 486     }
 487     else
 488     {
 489         if (inst->bits1.da16.dest_address_mode == BRW_ADDRESS_DIRECT)
 490         {
 491             err |= reg (file, inst->bits1.da16.dest_reg_file, inst->bits1.da16.dest_reg_nr);
 492             if (err == -1)
 493                 return 0;
 494             if (inst->bits1.da16.dest_subreg_nr)
 495                 format (file, ".%d", inst->bits1.da16.dest_subreg_nr);
 496             string (file, "<1>");
 497             err |= control (file, "writemask", writemask, inst->bits1.da16.dest_writemask, NULL);
 498             err |= control (file, "dest reg encoding", reg_encoding, inst->bits1.da16.dest_reg_type, NULL);
 499         }
 500         else
 501         {
 502             err = 1;
 503             string (file, "Indirect align16 address mode not supported");
 504         }
 505     }
 506
 507     return 0;
 508 }
 509
 510 static int src_align1_region (FILE *file,
 511                               GLuint _vert_stride, GLuint _width, GLuint _horiz_stride)
 512 {
 513     int err = 0;
 514     string (file, "<");
 515     err |= control (file, "vert stride", vert_stride, _vert_stride, NULL);
 516     string (file, ",");
 517     err |= control (file, "width", width, _width, NULL);
 518     string (file, ",");
 519     err |= control (file, "horiz_stride", horiz_stride, _horiz_stride, NULL);
 520     string (file, ">");
 521     return err;
 522 }
 523
 524 static int src_da1 (FILE *file, GLuint type, GLuint _reg_file,
 525                     GLuint _vert_stride, GLuint _width, GLuint _horiz_stride,
 526                     GLuint reg_num, GLuint sub_reg_num, GLuint __abs, GLuint _negate)
 527 {
 528     int err = 0;
 529     err |= control (file, "negate", negate, _negate, NULL);
 530     err |= control (file, "abs", _abs, __abs, NULL);
 531
 532     err |= reg (file, _reg_file, reg_num);
 533     if (err == -1)
 534         return 0;
 535     if (sub_reg_num)
 536         format (file, ".%d", sub_reg_num);
 537     src_align1_region (file, _vert_stride, _width, _horiz_stride);
 538     err |= control (file, "src reg encoding", reg_encoding, type, NULL);
 539     return err;
 540 }
 541
 542 static int src_ia1 (FILE *file,
 543                     GLuint type,
 544                     GLuint _reg_file,
 545                     GLint _addr_imm,
 546                     GLuint _addr_subreg_nr,
 547                     GLuint _negate,
 548                     GLuint __abs,
 549                     GLuint _addr_mode,
 550                     GLuint _horiz_stride,
 551                     GLuint _width,
 552                     GLuint _vert_stride)
 553 {
 554     int err = 0;
 555     err |= control (file, "negate", negate, _negate, NULL);
 556     err |= control (file, "abs", _abs, __abs, NULL);
 557
 558     string (file, "g[a0");
 559     if (_addr_subreg_nr)
 560         format (file, ".%d", _addr_subreg_nr);
 561     if (_addr_imm)
 562         format (file, " %d", _addr_imm);
 563     string (file, "]");
 564     src_align1_region (file, _vert_stride, _width, _horiz_stride);
 565     err |= control (file, "src reg encoding", reg_encoding, type, NULL);
 566     return err;
 567 }
 568
 569 static int src_da16 (FILE *file,
 570                      GLuint _reg_type,
 571                      GLuint _reg_file,
 572                      GLuint _vert_stride,
 573                      GLuint _reg_nr,
 574                      GLuint _subreg_nr,
 575                      GLuint __abs,
 576                      GLuint _negate,
 577                      GLuint swz_x,
 578                      GLuint swz_y,
 579                      GLuint swz_z,
 580                      GLuint swz_w)
 581 {
 582     int err = 0;
 583     err |= control (file, "negate", negate, _negate, NULL);
 584     err |= control (file, "abs", _abs, __abs, NULL);
 585
 586     err |= reg (file, _reg_file, _reg_nr);
 587     if (err == -1)
 588         return 0;
 589     if (_subreg_nr)
 590         format (file, ".%d", _subreg_nr);
 591     string (file, "<");
 592     err |= control (file, "vert stride", vert_stride, _vert_stride, NULL);
 593     string (file, ",1,1>");
 594     err |= control (file, "src da16 reg type", reg_encoding, _reg_type, NULL);
 595     /*
 596      * Three kinds of swizzle display:
 597      *  identity - nothing printed
 598      *  1->all   - print the single channel
 599      *  1->1     - print the mapping
 600      */
 601     if (swz_x == BRW_CHANNEL_X &&
 602         swz_y == BRW_CHANNEL_Y &&
 603         swz_z == BRW_CHANNEL_Z &&
 604         swz_w == BRW_CHANNEL_W)
 605     {
 606         ;
 607     }
 608     else if (swz_x == swz_y && swz_x == swz_z && swz_x == swz_w)
 609     {
 610         string (file, ".");
 611         err |= control (file, "channel select", chan_sel, swz_x, NULL);
 612     }
 613     else
 614     {
 615         string (file, ".");
 616         err |= control (file, "channel select", chan_sel, swz_x, NULL);
 617         err |= control (file, "channel select", chan_sel, swz_y, NULL);
 618         err |= control (file, "channel select", chan_sel, swz_z, NULL);
 619         err |= control (file, "channel select", chan_sel, swz_w, NULL);
 620     }
 621     return err;
 622 }
 623
 624
 625 static int imm (FILE *file, GLuint type, struct brw_instruction *inst) {
 626     switch (type) {
 627     case BRW_REGISTER_TYPE_UD:
 628         format (file, "0x%08xUD", inst->bits3.ud);
 629         break;
 630     case BRW_REGISTER_TYPE_D:
 631         format (file, "%dD", inst->bits3.d);
 632         break;
 633     case BRW_REGISTER_TYPE_UW:
 634         format (file, "0x%04xUW", (uint16_t) inst->bits3.ud);
 635         break;
 636     case BRW_REGISTER_TYPE_W:
 637         format (file, "%dW", (int16_t) inst->bits3.d);
 638         break;
 639     case BRW_REGISTER_TYPE_UB:
 640         format (file, "0x%02xUB", (int8_t) inst->bits3.ud);
 641         break;
 642     case BRW_REGISTER_TYPE_VF:
 643         format (file, "Vector Float");
 644         break;
 645     case BRW_REGISTER_TYPE_V:
 646         format (file, "0x%08xV", inst->bits3.ud);
 647         break;
 648     case BRW_REGISTER_TYPE_F:
 649         format (file, "%-gF", inst->bits3.f);
 650     }
 651     return 0;
 652 }
 653
 654 static int src0 (FILE *file, struct brw_instruction *inst)
 655 {
 656     if (inst->bits1.da1.src0_reg_file == BRW_IMMEDIATE_VALUE)
 657         return imm (file, inst->bits1.da1.src0_reg_type,
 658                     inst);
 659     else if (inst->header.access_mode == BRW_ALIGN_1)
 660     {
 661         if (inst->bits2.da1.src0_address_mode == BRW_ADDRESS_DIRECT)
 662         {
 663             return src_da1 (file,
 664                             inst->bits1.da1.src0_reg_type,
 665                             inst->bits1.da1.src0_reg_file,
 666                             inst->bits2.da1.src0_vert_stride,
 667                             inst->bits2.da1.src0_width,
 668                             inst->bits2.da1.src0_horiz_stride,
 669                             inst->bits2.da1.src0_reg_nr,
 670                             inst->bits2.da1.src0_subreg_nr,
 671                             inst->bits2.da1.src0_abs,
 672                             inst->bits2.da1.src0_negate);
 673         }
 674         else
 675         {
 676             return src_ia1 (file,
 677                             inst->bits1.ia1.src0_reg_type,
 678                             inst->bits1.ia1.src0_reg_file,
 679                             inst->bits2.ia1.src0_indirect_offset,
 680                             inst->bits2.ia1.src0_subreg_nr,
 681                             inst->bits2.ia1.src0_negate,
 682                             inst->bits2.ia1.src0_abs,
 683                             inst->bits2.ia1.src0_address_mode,
 684                             inst->bits2.ia1.src0_horiz_stride,
 685                             inst->bits2.ia1.src0_width,
 686                             inst->bits2.ia1.src0_vert_stride);
 687         }
 688     }
 689     else
 690     {
 691         if (inst->bits2.da16.src0_address_mode == BRW_ADDRESS_DIRECT)
 692         {
 693             return src_da16 (file,
 694                              inst->bits1.da16.src0_reg_type,
 695                              inst->bits1.da16.src0_reg_file,
 696                              inst->bits2.da16.src0_vert_stride,
 697                              inst->bits2.da16.src0_reg_nr,
 698                              inst->bits2.da16.src0_subreg_nr,
 699                              inst->bits2.da16.src0_abs,
 700                              inst->bits2.da16.src0_negate,
 701                              inst->bits2.da16.src0_swz_x,
 702                              inst->bits2.da16.src0_swz_y,
 703                              inst->bits2.da16.src0_swz_z,
 704                              inst->bits2.da16.src0_swz_w);
 705         }
 706         else
 707         {
 708             string (file, "Indirect align16 address mode not supported");
 709             return 1;
 710         }
 711     }
 712 }
 713
 714 static int src1 (FILE *file, struct brw_instruction *inst)
 715 {
 716     if (inst->bits1.da1.src1_reg_file == BRW_IMMEDIATE_VALUE)
 717         return imm (file, inst->bits1.da1.src1_reg_type,
 718                     inst);
 719     else if (inst->header.access_mode == BRW_ALIGN_1)
 720     {
 721         if (inst->bits3.da1.src1_address_mode == BRW_ADDRESS_DIRECT)
 722         {
 723             return src_da1 (file,
 724                             inst->bits1.da1.src1_reg_type,
 725                             inst->bits1.da1.src1_reg_file,
 726                             inst->bits3.da1.src1_vert_stride,
 727                             inst->bits3.da1.src1_width,
 728                             inst->bits3.da1.src1_horiz_stride,
 729                             inst->bits3.da1.src1_reg_nr,
 730                             inst->bits3.da1.src1_subreg_nr,
 731                             inst->bits3.da1.src1_abs,
 732                             inst->bits3.da1.src1_negate);
 733         }
 734         else
 735         {
 736             return src_ia1 (file,
 737                             inst->bits1.ia1.src1_reg_type,
 738                             inst->bits1.ia1.src1_reg_file,
 739                             inst->bits3.ia1.src1_indirect_offset,
 740                             inst->bits3.ia1.src1_subreg_nr,
 741                             inst->bits3.ia1.src1_negate,
 742                             inst->bits3.ia1.src1_abs,
 743                             inst->bits3.ia1.src1_address_mode,
 744                             inst->bits3.ia1.src1_horiz_stride,
 745                             inst->bits3.ia1.src1_width,
 746                             inst->bits3.ia1.src1_vert_stride);
 747         }
 748     }
 749     else
 750     {
 751         if (inst->bits3.da16.src1_address_mode == BRW_ADDRESS_DIRECT)
 752         {
 753             return src_da16 (file,
 754                              inst->bits1.da16.src1_reg_type,
 755                              inst->bits1.da16.src1_reg_file,
 756                              inst->bits3.da16.src1_vert_stride,
 757                              inst->bits3.da16.src1_reg_nr,
 758                              inst->bits3.da16.src1_subreg_nr,
 759                              inst->bits3.da16.src1_abs,
 760                              inst->bits3.da16.src1_negate,
 761                              inst->bits3.da16.src1_swz_x,
 762                              inst->bits3.da16.src1_swz_y,
 763                              inst->bits3.da16.src1_swz_z,
 764                              inst->bits3.da16.src1_swz_w);
 765         }
 766         else
 767         {
 768             string (file, "Indirect align16 address mode not supported");
 769             return 1;
 770         }
 771     }
 772 }
 773
 774 int brw_disasm (FILE *file, struct brw_instruction *inst)
 775 {
 776     int err = 0;
 777     int space = 0;
 778
 779     if (inst->header.predicate_control) {
 780         string (file, "(");
 781         err |= control (file, "predicate inverse", pred_inv, inst->header.predicate_inverse, NULL);
 782         string (file, "f0");
 783         if (inst->bits2.da1.flag_reg_nr)
 784             format (file, ".%d", inst->bits2.da1.flag_reg_nr);
 785         if (inst->header.access_mode == BRW_ALIGN_1)
 786             err |= control (file, "predicate control align1", pred_ctrl_align1,
 787                             inst->header.predicate_control, NULL);
 788         else
 789             err |= control (file, "predicate control align16", pred_ctrl_align16,
 790                             inst->header.predicate_control, NULL);
 791         string (file, ") ");
 792     }
 793
 794     err |= print_opcode (file, inst->header.opcode);
 795     err |= control (file, "saturate", saturate, inst->header.saturate, NULL);
 796     err |= control (file, "debug control", debug_ctrl, inst->header.debug_control, NULL);
 797
 798     if (inst->header.opcode != BRW_OPCODE_SEND)
 799         err |= control (file, "conditional modifier", conditional_modifier,
 800                         inst->header.destreg__conditionalmod, NULL);
 801
 802     if (inst->header.opcode != BRW_OPCODE_NOP) {
 803         string (file, "(");
 804         err |= control (file, "execution size", exec_size, inst->header.execution_size, NULL);
 805         string (file, ")");
 806     }
 807
 808     if (inst->header.opcode == BRW_OPCODE_SEND)
 809         format (file, " %d", inst->header.destreg__conditionalmod);
 810
 811     if (opcode[inst->header.opcode].ndst > 0) {
 812         pad (file, 16);
 813         err |= dest (file, inst);
 814     }
 815     if (opcode[inst->header.opcode].nsrc > 0) {
 816         pad (file, 32);
 817         err |= src0 (file, inst);
 818     }
 819     if (opcode[inst->header.opcode].nsrc > 1) {
 820         pad (file, 48);
 821         err |= src1 (file, inst);
 822     }
 823
 824     if (inst->header.opcode == BRW_OPCODE_SEND) {
 825         newline (file);
 826         pad (file, 16);
 827         space = 0;
 828         err |= control (file, "target function", target_function,
 829                         inst->bits3.generic.msg_target, &space);
 830         switch (inst->bits3.generic.msg_target) {
 831         case BRW_MESSAGE_TARGET_MATH:
 832             err |= control (file, "math function", math_function,
 833                             inst->bits3.math.function, &space);
 834             err |= control (file, "math saturate", math_saturate,
 835                             inst->bits3.math.saturate, &space);
 836             err |= control (file, "math signed", math_signed,
 837                             inst->bits3.math.int_type, &space);
 838             err |= control (file, "math scalar", math_scalar,
 839                             inst->bits3.math.data_type, &space);
 840             err |= control (file, "math precision", math_precision,
 841                             inst->bits3.math.precision, &space);
 842             break;
 843         case BRW_MESSAGE_TARGET_SAMPLER:
 844             format (file, " (%d, %d, ",
 845                     inst->bits3.sampler.binding_table_index,
 846                     inst->bits3.sampler.sampler);
 847             err |= control (file, "sampler target format", sampler_target_format,
 848                             inst->bits3.sampler.return_format, NULL);
 849             string (file, ")");
 850             break;
 851         case BRW_MESSAGE_TARGET_DATAPORT_WRITE:
 852             format (file, " (%d, %d, %d, %d)",
 853                     inst->bits3.dp_write.binding_table_index,
 854                     (inst->bits3.dp_write.pixel_scoreboard_clear << 3) |
 855                     inst->bits3.dp_write.msg_control,
 856                     inst->bits3.dp_write.msg_type,
 857                     inst->bits3.dp_write.send_commit_msg);
 858             break;
 859         case BRW_MESSAGE_TARGET_URB:
 860             format (file, " %d", inst->bits3.urb.offset);
 861             space = 1;
 862             err |= control (file, "urb swizzle", urb_swizzle,
 863                             inst->bits3.urb.swizzle_control, &space);
 864             err |= control (file, "urb allocate", urb_allocate,
 865                             inst->bits3.urb.allocate, &space);
 866             err |= control (file, "urb used", urb_used,
 867                             inst->bits3.urb.used, &space);
 868             err |= control (file, "urb complete", urb_complete,
 869                             inst->bits3.urb.complete, &space);
 870             break;
 871         case BRW_MESSAGE_TARGET_THREAD_SPAWNER:
 872             break;
 873         default:
 874             format (file, "unsupported target %d", inst->bits3.generic.msg_target);
 875             break;
 876         }
 877         if (space)
 878             string (file, " ");
 879         format (file, "mlen %d",
 880                 inst->bits3.generic.msg_length);
 881         format (file, " rlen %d",
 882                 inst->bits3.generic.response_length);
 883     }
 884     pad (file, 64);
 885     if (inst->header.opcode != BRW_OPCODE_NOP) {
 886         string (file, "{");
 887         space = 1;
 888         err |= control(file, "access mode", access_mode, inst->header.access_mode, &space);
 889         err |= control (file, "mask control", mask_ctrl, inst->header.mask_control, &space);
 890         err |= control (file, "dependency control", dep_ctrl, inst->header.dependency_control, &space);
 891         err |= control (file, "compression control", compr_ctrl, inst->header.compression_control, &space);
 892         err |= control (file, "thread control", thread_ctrl, inst->header.thread_control, &space);
 893         if (inst->header.opcode == BRW_OPCODE_SEND)
 894             err |= control (file, "end of thread", end_of_thread,
 895                             inst->bits3.generic.end_of_thread, &space);
 896         if (space)
 897             string (file, " ");
 898         string (file, "}");
 899     }
 900     string (file, ";");
 901     newline (file);
 902     return err;
 903 }