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  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. typedef short GLshort;
  31. typedef int GLint;
  32. typedef unsigned char GLubyte;
  33. typedef unsigned int GLuint;
  34. typedef float GLfloat;
  35. #include <stdint.h>
  36. #include "brw_defines.h"
  37. #include "brw_structs.h"
  38. static int brw_disasm (FILE *file, struct brw_instruction *inst, int gen);
  39.  
  40. #include "toy_compiler.h"
  41.  
  42. void
  43. toy_compiler_disassemble(struct toy_compiler *tc, const void *kernel, int size)
  44. {
  45.    /* set this to true to dump the hex */
  46.    const bool dump_hex = false;
  47.    const struct brw_instruction *instructions = kernel;
  48.    int i;
  49.  
  50.    for (i = 0; i < size / sizeof(*instructions); i++) {
  51.       if (dump_hex) {
  52.          const uint32_t *dwords = (const uint32_t *) &instructions[i];
  53.          ilo_printf("0x%08x 0x%08x 0x%08x 0x%08x ",
  54.                dwords[3], dwords[2], dwords[1], dwords[0]);
  55.       }
  56.  
  57.       brw_disasm(stderr, (struct brw_instruction *) &instructions[i],
  58.             ILO_GEN_GET_MAJOR(tc->dev->gen));
  59.    }
  60. }
  61.  
  62. static const struct opcode_desc {
  63.    char    *name;
  64.    int     nsrc;
  65.    int     ndst;
  66. } opcode_descs[128] = {
  67.     [BRW_OPCODE_MOV] = { .name = "mov", .nsrc = 1, .ndst = 1 },
  68.     [BRW_OPCODE_FRC] = { .name = "frc", .nsrc = 1, .ndst = 1 },
  69.     [BRW_OPCODE_RNDU] = { .name = "rndu", .nsrc = 1, .ndst = 1 },
  70.     [BRW_OPCODE_RNDD] = { .name = "rndd", .nsrc = 1, .ndst = 1 },
  71.     [BRW_OPCODE_RNDE] = { .name = "rnde", .nsrc = 1, .ndst = 1 },
  72.     [BRW_OPCODE_RNDZ] = { .name = "rndz", .nsrc = 1, .ndst = 1 },
  73.     [BRW_OPCODE_NOT] = { .name = "not", .nsrc = 1, .ndst = 1 },
  74.     [BRW_OPCODE_LZD] = { .name = "lzd", .nsrc = 1, .ndst = 1 },
  75.     [BRW_OPCODE_F32TO16] = { .name = "f32to16", .nsrc = 1, .ndst = 1 },
  76.     [BRW_OPCODE_F16TO32] = { .name = "f16to32", .nsrc = 1, .ndst = 1 },
  77.  
  78.     [BRW_OPCODE_MUL] = { .name = "mul", .nsrc = 2, .ndst = 1 },
  79.     [BRW_OPCODE_MAC] = { .name = "mac", .nsrc = 2, .ndst = 1 },
  80.     [BRW_OPCODE_MACH] = { .name = "mach", .nsrc = 2, .ndst = 1 },
  81.     [BRW_OPCODE_LINE] = { .name = "line", .nsrc = 2, .ndst = 1 },
  82.     [BRW_OPCODE_PLN] = { .name = "pln", .nsrc = 2, .ndst = 1 },
  83.     [BRW_OPCODE_MAD] = { .name = "mad", .nsrc = 3, .ndst = 1 },
  84.     [BRW_OPCODE_LRP] = { .name = "lrp", .nsrc = 3, .ndst = 1 },
  85.     [BRW_OPCODE_SAD2] = { .name = "sad2", .nsrc = 2, .ndst = 1 },
  86.     [BRW_OPCODE_SADA2] = { .name = "sada2", .nsrc = 2, .ndst = 1 },
  87.     [BRW_OPCODE_DP4] = { .name = "dp4", .nsrc = 2, .ndst = 1 },
  88.     [BRW_OPCODE_DPH] = { .name = "dph", .nsrc = 2, .ndst = 1 },
  89.     [BRW_OPCODE_DP3] = { .name = "dp3", .nsrc = 2, .ndst = 1 },
  90.     [BRW_OPCODE_DP2] = { .name = "dp2", .nsrc = 2, .ndst = 1 },
  91.     [BRW_OPCODE_MATH] = { .name = "math", .nsrc = 2, .ndst = 1 },
  92.  
  93.     [BRW_OPCODE_AVG] = { .name = "avg", .nsrc = 2, .ndst = 1 },
  94.     [BRW_OPCODE_ADD] = { .name = "add", .nsrc = 2, .ndst = 1 },
  95.     [BRW_OPCODE_SEL] = { .name = "sel", .nsrc = 2, .ndst = 1 },
  96.     [BRW_OPCODE_AND] = { .name = "and", .nsrc = 2, .ndst = 1 },
  97.     [BRW_OPCODE_OR] = { .name = "or", .nsrc = 2, .ndst = 1 },
  98.     [BRW_OPCODE_XOR] = { .name = "xor", .nsrc = 2, .ndst = 1 },
  99.     [BRW_OPCODE_SHR] = { .name = "shr", .nsrc = 2, .ndst = 1 },
  100.     [BRW_OPCODE_SHL] = { .name = "shl", .nsrc = 2, .ndst = 1 },
  101.     [BRW_OPCODE_ASR] = { .name = "asr", .nsrc = 2, .ndst = 1 },
  102.     [BRW_OPCODE_CMP] = { .name = "cmp", .nsrc = 2, .ndst = 1 },
  103.     [BRW_OPCODE_CMPN] = { .name = "cmpn", .nsrc = 2, .ndst = 1 },
  104.  
  105.     [BRW_OPCODE_SEND] = { .name = "send", .nsrc = 1, .ndst = 1 },
  106.     [BRW_OPCODE_SENDC] = { .name = "sendc", .nsrc = 1, .ndst = 1 },
  107.     [BRW_OPCODE_NOP] = { .name = "nop", .nsrc = 0, .ndst = 0 },
  108.     [BRW_OPCODE_JMPI] = { .name = "jmpi", .nsrc = 0, .ndst = 0 },
  109.     [BRW_OPCODE_IF] = { .name = "if", .nsrc = 2, .ndst = 0 },
  110.     [BRW_OPCODE_IFF] = { .name = "iff", .nsrc = 2, .ndst = 1 },
  111.     [BRW_OPCODE_WHILE] = { .name = "while", .nsrc = 2, .ndst = 0 },
  112.     [BRW_OPCODE_ELSE] = { .name = "else", .nsrc = 2, .ndst = 0 },
  113.     [BRW_OPCODE_BREAK] = { .name = "break", .nsrc = 2, .ndst = 0 },
  114.     [BRW_OPCODE_CONTINUE] = { .name = "cont", .nsrc = 1, .ndst = 0 },
  115.     [BRW_OPCODE_HALT] = { .name = "halt", .nsrc = 1, .ndst = 0 },
  116.     [BRW_OPCODE_MSAVE] = { .name = "msave", .nsrc = 1, .ndst = 1 },
  117.     [BRW_OPCODE_PUSH] = { .name = "push", .nsrc = 1, .ndst = 1 },
  118.     [BRW_OPCODE_MRESTORE] = { .name = "mrest", .nsrc = 1, .ndst = 1 },
  119.     [BRW_OPCODE_POP] = { .name = "pop", .nsrc = 2, .ndst = 0 },
  120.     [BRW_OPCODE_WAIT] = { .name = "wait", .nsrc = 1, .ndst = 0 },
  121.     [BRW_OPCODE_DO] = { .name = "do", .nsrc = 0, .ndst = 0 },
  122.     [BRW_OPCODE_ENDIF] = { .name = "endif", .nsrc = 2, .ndst = 0 },
  123. };
  124. static const struct opcode_desc *opcode = opcode_descs;
  125.  
  126. static const char * const conditional_modifier[16] = {
  127.     [BRW_CONDITIONAL_NONE] = "",
  128.     [BRW_CONDITIONAL_Z] = ".e",
  129.     [BRW_CONDITIONAL_NZ] = ".ne",
  130.     [BRW_CONDITIONAL_G] = ".g",
  131.     [BRW_CONDITIONAL_GE] = ".ge",
  132.     [BRW_CONDITIONAL_L] = ".l",
  133.     [BRW_CONDITIONAL_LE] = ".le",
  134.     [BRW_CONDITIONAL_R] = ".r",
  135.     [BRW_CONDITIONAL_O] = ".o",
  136.     [BRW_CONDITIONAL_U] = ".u",
  137. };
  138.  
  139. static const char * const negate[2] = {
  140.     [0] = "",
  141.     [1] = "-",
  142. };
  143.  
  144. static const char * const _abs[2] = {
  145.     [0] = "",
  146.     [1] = "(abs)",
  147. };
  148.  
  149. static const char * const vert_stride[16] = {
  150.     [0] = "0",
  151.     [1] = "1",
  152.     [2] = "2",
  153.     [3] = "4",
  154.     [4] = "8",
  155.     [5] = "16",
  156.     [6] = "32",
  157.     [15] = "VxH",
  158. };
  159.  
  160. static const char * const width[8] = {
  161.     [0] = "1",
  162.     [1] = "2",
  163.     [2] = "4",
  164.     [3] = "8",
  165.     [4] = "16",
  166. };
  167.  
  168. static const char * const horiz_stride[4] = {
  169.     [0] = "0",
  170.     [1] = "1",
  171.     [2] = "2",
  172.     [3] = "4"
  173. };
  174.  
  175. static const char * const chan_sel[4] = {
  176.     [0] = "x",
  177.     [1] = "y",
  178.     [2] = "z",
  179.     [3] = "w",
  180. };
  181.  
  182. static const char * const debug_ctrl[2] = {
  183.     [0] = "",
  184.     [1] = ".breakpoint"
  185. };
  186.  
  187. static const char * const saturate[2] = {
  188.     [0] = "",
  189.     [1] = ".sat"
  190. };
  191.  
  192. static const char * const accwr[2] = {
  193.     [0] = "",
  194.     [1] = "AccWrEnable"
  195. };
  196.  
  197. static const char * const wectrl[2] = {
  198.     [0] = "WE_normal",
  199.     [1] = "WE_all"
  200. };
  201.  
  202. static const char * const exec_size[8] = {
  203.     [0] = "1",
  204.     [1] = "2",
  205.     [2] = "4",
  206.     [3] = "8",
  207.     [4] = "16",
  208.     [5] = "32"
  209. };
  210.  
  211. static const char * const pred_inv[2] = {
  212.     [0] = "+",
  213.     [1] = "-"
  214. };
  215.  
  216. static const char * const pred_ctrl_align16[16] = {
  217.     [1] = "",
  218.     [2] = ".x",
  219.     [3] = ".y",
  220.     [4] = ".z",
  221.     [5] = ".w",
  222.     [6] = ".any4h",
  223.     [7] = ".all4h",
  224. };
  225.  
  226. static const char * const pred_ctrl_align1[16] = {
  227.     [1] = "",
  228.     [2] = ".anyv",
  229.     [3] = ".allv",
  230.     [4] = ".any2h",
  231.     [5] = ".all2h",
  232.     [6] = ".any4h",
  233.     [7] = ".all4h",
  234.     [8] = ".any8h",
  235.     [9] = ".all8h",
  236.     [10] = ".any16h",
  237.     [11] = ".all16h",
  238. };
  239.  
  240. static const char * const thread_ctrl[4] = {
  241.     [0] = "",
  242.     [2] = "switch"
  243. };
  244.  
  245. static const char * const compr_ctrl[4] = {
  246.     [0] = "",
  247.     [1] = "sechalf",
  248.     [2] = "compr",
  249.     [3] = "compr4",
  250. };
  251.  
  252. static const char * const dep_ctrl[4] = {
  253.     [0] = "",
  254.     [1] = "NoDDClr",
  255.     [2] = "NoDDChk",
  256.     [3] = "NoDDClr,NoDDChk",
  257. };
  258.  
  259. static const char * const mask_ctrl[4] = {
  260.     [0] = "",
  261.     [1] = "nomask",
  262. };
  263.  
  264. static const char * const access_mode[2] = {
  265.     [0] = "align1",
  266.     [1] = "align16",
  267. };
  268.  
  269. static const char * const reg_encoding[8] = {
  270.     [0] = "UD",
  271.     [1] = "D",
  272.     [2] = "UW",
  273.     [3] = "W",
  274.     [4] = "UB",
  275.     [5] = "B",
  276.     [7] = "F"
  277. };
  278.  
  279. const int reg_type_size[8] = {
  280.     [0] = 4,
  281.     [1] = 4,
  282.     [2] = 2,
  283.     [3] = 2,
  284.     [4] = 1,
  285.     [5] = 1,
  286.     [7] = 4
  287. };
  288.  
  289. static const char * const reg_file[4] = {
  290.     [0] = "A",
  291.     [1] = "g",
  292.     [2] = "m",
  293.     [3] = "imm",
  294. };
  295.  
  296. static const char * const writemask[16] = {
  297.     [0x0] = ".",
  298.     [0x1] = ".x",
  299.     [0x2] = ".y",
  300.     [0x3] = ".xy",
  301.     [0x4] = ".z",
  302.     [0x5] = ".xz",
  303.     [0x6] = ".yz",
  304.     [0x7] = ".xyz",
  305.     [0x8] = ".w",
  306.     [0x9] = ".xw",
  307.     [0xa] = ".yw",
  308.     [0xb] = ".xyw",
  309.     [0xc] = ".zw",
  310.     [0xd] = ".xzw",
  311.     [0xe] = ".yzw",
  312.     [0xf] = "",
  313. };
  314.  
  315. static const char * const end_of_thread[2] = {
  316.     [0] = "",
  317.     [1] = "EOT"
  318. };
  319.  
  320. static const char * const target_function[16] = {
  321.     [BRW_SFID_NULL] = "null",
  322.     [BRW_SFID_MATH] = "math",
  323.     [BRW_SFID_SAMPLER] = "sampler",
  324.     [BRW_SFID_MESSAGE_GATEWAY] = "gateway",
  325.     [BRW_SFID_DATAPORT_READ] = "read",
  326.     [BRW_SFID_DATAPORT_WRITE] = "write",
  327.     [BRW_SFID_URB] = "urb",
  328.     [BRW_SFID_THREAD_SPAWNER] = "thread_spawner"
  329. };
  330.  
  331. static const char * const target_function_gen6[16] = {
  332.     [BRW_SFID_NULL] = "null",
  333.     [BRW_SFID_MATH] = "math",
  334.     [BRW_SFID_SAMPLER] = "sampler",
  335.     [BRW_SFID_MESSAGE_GATEWAY] = "gateway",
  336.     [BRW_SFID_URB] = "urb",
  337.     [BRW_SFID_THREAD_SPAWNER] = "thread_spawner",
  338.     [GEN6_SFID_DATAPORT_SAMPLER_CACHE] = "sampler",
  339.     [GEN6_SFID_DATAPORT_RENDER_CACHE] = "render",
  340.     [GEN6_SFID_DATAPORT_CONSTANT_CACHE] = "const",
  341.     [GEN7_SFID_DATAPORT_DATA_CACHE] = "data"
  342. };
  343.  
  344. static const char * const dp_rc_msg_type_gen6[16] = {
  345.     [BRW_DATAPORT_READ_MESSAGE_OWORD_BLOCK_READ] = "OWORD block read",
  346.     [GEN6_DATAPORT_READ_MESSAGE_RENDER_UNORM_READ] = "RT UNORM read",
  347.     [GEN6_DATAPORT_READ_MESSAGE_OWORD_DUAL_BLOCK_READ] = "OWORD dual block read",
  348.     [GEN6_DATAPORT_READ_MESSAGE_MEDIA_BLOCK_READ] = "media block read",
  349.     [GEN6_DATAPORT_READ_MESSAGE_OWORD_UNALIGN_BLOCK_READ] = "OWORD unaligned block read",
  350.     [GEN6_DATAPORT_READ_MESSAGE_DWORD_SCATTERED_READ] = "DWORD scattered read",
  351.     [GEN6_DATAPORT_WRITE_MESSAGE_DWORD_ATOMIC_WRITE] = "DWORD atomic write",
  352.     [GEN6_DATAPORT_WRITE_MESSAGE_OWORD_BLOCK_WRITE] = "OWORD block write",
  353.     [GEN6_DATAPORT_WRITE_MESSAGE_OWORD_DUAL_BLOCK_WRITE] = "OWORD dual block write",
  354.     [GEN6_DATAPORT_WRITE_MESSAGE_MEDIA_BLOCK_WRITE] = "media block write",
  355.     [GEN6_DATAPORT_WRITE_MESSAGE_DWORD_SCATTERED_WRITE] = "DWORD scattered write",
  356.     [GEN6_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_WRITE] = "RT write",
  357.     [GEN6_DATAPORT_WRITE_MESSAGE_STREAMED_VB_WRITE] = "streamed VB write",
  358.     [GEN6_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_UNORM_WRITE] = "RT UNORMc write",
  359. };
  360.  
  361. static const char * const math_function[16] = {
  362.     [BRW_MATH_FUNCTION_INV] = "inv",
  363.     [BRW_MATH_FUNCTION_LOG] = "log",
  364.     [BRW_MATH_FUNCTION_EXP] = "exp",
  365.     [BRW_MATH_FUNCTION_SQRT] = "sqrt",
  366.     [BRW_MATH_FUNCTION_RSQ] = "rsq",
  367.     [BRW_MATH_FUNCTION_SIN] = "sin",
  368.     [BRW_MATH_FUNCTION_COS] = "cos",
  369.     [BRW_MATH_FUNCTION_SINCOS] = "sincos",
  370.     [BRW_MATH_FUNCTION_FDIV] = "fdiv",
  371.     [BRW_MATH_FUNCTION_POW] = "pow",
  372.     [BRW_MATH_FUNCTION_INT_DIV_QUOTIENT_AND_REMAINDER] = "intdivmod",
  373.     [BRW_MATH_FUNCTION_INT_DIV_QUOTIENT] = "intdiv",
  374.     [BRW_MATH_FUNCTION_INT_DIV_REMAINDER] = "intmod",
  375. };
  376.  
  377. static const char * const math_saturate[2] = {
  378.     [0] = "",
  379.     [1] = "sat"
  380. };
  381.  
  382. static const char * const math_signed[2] = {
  383.     [0] = "",
  384.     [1] = "signed"
  385. };
  386.  
  387. static const char * const math_scalar[2] = {
  388.     [0] = "",
  389.     [1] = "scalar"
  390. };
  391.  
  392. static const char * const math_precision[2] = {
  393.     [0] = "",
  394.     [1] = "partial_precision"
  395. };
  396.  
  397. static const char * const urb_opcode[2] = {
  398.     [0] = "urb_write",
  399.     [1] = "ff_sync",
  400. };
  401.  
  402. static const char * const urb_swizzle[4] = {
  403.     [BRW_URB_SWIZZLE_NONE] = "",
  404.     [BRW_URB_SWIZZLE_INTERLEAVE] = "interleave",
  405.     [BRW_URB_SWIZZLE_TRANSPOSE] = "transpose",
  406. };
  407.  
  408. static const char * const urb_allocate[2] = {
  409.     [0] = "",
  410.     [1] = "allocate"
  411. };
  412.  
  413. static const char * const urb_used[2] = {
  414.     [0] = "",
  415.     [1] = "used"
  416. };
  417.  
  418. static const char * const urb_complete[2] = {
  419.     [0] = "",
  420.     [1] = "complete"
  421. };
  422.  
  423. static const char * const sampler_target_format[4] = {
  424.     [0] = "F",
  425.     [2] = "UD",
  426.     [3] = "D"
  427. };
  428.  
  429.  
  430. static int column;
  431.  
  432. static int string (FILE *file, const char *string)
  433. {
  434.     fputs (string, file);
  435.     column += strlen (string);
  436.     return 0;
  437. }
  438.  
  439. static int format (FILE *f, const char *format, ...)
  440. {
  441.     char    buf[1024];
  442.     va_list     args;
  443.     va_start (args, format);
  444.  
  445.     vsnprintf (buf, sizeof (buf) - 1, format, args);
  446.     va_end (args);
  447.     string (f, buf);
  448.     return 0;
  449. }
  450.  
  451. static int newline (FILE *f)
  452. {
  453.     putc ('\n', f);
  454.     column = 0;
  455.     return 0;
  456. }
  457.  
  458. static int pad (FILE *f, int c)
  459. {
  460.     do
  461.         string (f, " ");
  462.     while (column < c);
  463.     return 0;
  464. }
  465.  
  466. static int control (FILE *file, const char *name, const char * const ctrl[],
  467.                     GLuint id, int *space)
  468. {
  469.     if (!ctrl[id]) {
  470.         fprintf (file, "*** invalid %s value %d ",
  471.                  name, id);
  472.         return 1;
  473.     }
  474.     if (ctrl[id][0])
  475.     {
  476.         if (space && *space)
  477.             string (file, " ");
  478.         string (file, ctrl[id]);
  479.         if (space)
  480.             *space = 1;
  481.     }
  482.     return 0;
  483. }
  484.  
  485. static int print_opcode (FILE *file, int id)
  486. {
  487.     if (!opcode[id].name) {
  488.         format (file, "*** invalid opcode value %d ", id);
  489.         return 1;
  490.     }
  491.     string (file, opcode[id].name);
  492.     return 0;
  493. }
  494.  
  495. static int reg (FILE *file, GLuint _reg_file, GLuint _reg_nr)
  496. {
  497.     int err = 0;
  498.  
  499.     /* Clear the Compr4 instruction compression bit. */
  500.     if (_reg_file == BRW_MESSAGE_REGISTER_FILE)
  501.        _reg_nr &= ~(1 << 7);
  502.  
  503.     if (_reg_file == BRW_ARCHITECTURE_REGISTER_FILE) {
  504.         switch (_reg_nr & 0xf0) {
  505.         case BRW_ARF_NULL:
  506.             string (file, "null");
  507.             return -1;
  508.         case BRW_ARF_ADDRESS:
  509.             format (file, "a%d", _reg_nr & 0x0f);
  510.             break;
  511.         case BRW_ARF_ACCUMULATOR:
  512.             format (file, "acc%d", _reg_nr & 0x0f);
  513.             break;
  514.         case BRW_ARF_FLAG:
  515.             format (file, "f%d", _reg_nr & 0x0f);
  516.             break;
  517.         case BRW_ARF_MASK:
  518.             format (file, "mask%d", _reg_nr & 0x0f);
  519.             break;
  520.         case BRW_ARF_MASK_STACK:
  521.             format (file, "msd%d", _reg_nr & 0x0f);
  522.             break;
  523.         case BRW_ARF_STATE:
  524.             format (file, "sr%d", _reg_nr & 0x0f);
  525.             break;
  526.         case BRW_ARF_CONTROL:
  527.             format (file, "cr%d", _reg_nr & 0x0f);
  528.             break;
  529.         case BRW_ARF_NOTIFICATION_COUNT:
  530.             format (file, "n%d", _reg_nr & 0x0f);
  531.             break;
  532.         case BRW_ARF_IP:
  533.             string (file, "ip");
  534.             return -1;
  535.             break;
  536.         default:
  537.             format (file, "ARF%d", _reg_nr);
  538.             break;
  539.         }
  540.     } else {
  541.         err  |= control (file, "src reg file", reg_file, _reg_file, NULL);
  542.         format (file, "%d", _reg_nr);
  543.     }
  544.     return err;
  545. }
  546.  
  547. static int dest (FILE *file, struct brw_instruction *inst)
  548. {
  549.     int err = 0;
  550.  
  551.     if (inst->header.access_mode == BRW_ALIGN_1)
  552.     {
  553.         if (inst->bits1.da1.dest_address_mode == BRW_ADDRESS_DIRECT)
  554.         {
  555.             err |= reg (file, inst->bits1.da1.dest_reg_file, inst->bits1.da1.dest_reg_nr);
  556.             if (err == -1)
  557.                 return 0;
  558.             if (inst->bits1.da1.dest_subreg_nr)
  559.                 format (file, ".%d", inst->bits1.da1.dest_subreg_nr /
  560.                                      reg_type_size[inst->bits1.da1.dest_reg_type]);
  561.             string (file, "<");
  562.             err |= control (file, "horiz stride", horiz_stride, inst->bits1.da1.dest_horiz_stride, NULL);
  563.             string (file, ">");
  564.             err |= control (file, "dest reg encoding", reg_encoding, inst->bits1.da1.dest_reg_type, NULL);
  565.         }
  566.         else
  567.         {
  568.             string (file, "g[a0");
  569.             if (inst->bits1.ia1.dest_subreg_nr)
  570.                 format (file, ".%d", inst->bits1.ia1.dest_subreg_nr /
  571.                                         reg_type_size[inst->bits1.ia1.dest_reg_type]);
  572.             if (inst->bits1.ia1.dest_indirect_offset)
  573.                 format (file, " %d", inst->bits1.ia1.dest_indirect_offset);
  574.             string (file, "]<");
  575.             err |= control (file, "horiz stride", horiz_stride, inst->bits1.ia1.dest_horiz_stride, NULL);
  576.             string (file, ">");
  577.             err |= control (file, "dest reg encoding", reg_encoding, inst->bits1.ia1.dest_reg_type, NULL);
  578.         }
  579.     }
  580.     else
  581.     {
  582.         if (inst->bits1.da16.dest_address_mode == BRW_ADDRESS_DIRECT)
  583.         {
  584.             err |= reg (file, inst->bits1.da16.dest_reg_file, inst->bits1.da16.dest_reg_nr);
  585.             if (err == -1)
  586.                 return 0;
  587.             if (inst->bits1.da16.dest_subreg_nr)
  588.                 format (file, ".%d", inst->bits1.da16.dest_subreg_nr /
  589.                                      reg_type_size[inst->bits1.da16.dest_reg_type]);
  590.             string (file, "<1>");
  591.             err |= control (file, "writemask", writemask, inst->bits1.da16.dest_writemask, NULL);
  592.             err |= control (file, "dest reg encoding", reg_encoding, inst->bits1.da16.dest_reg_type, NULL);
  593.         }
  594.         else
  595.         {
  596.             err = 1;
  597.             string (file, "Indirect align16 address mode not supported");
  598.         }
  599.     }
  600.  
  601.     return 0;
  602. }
  603.  
  604. static int dest_3src (FILE *file, struct brw_instruction *inst)
  605. {
  606.     int err = 0;
  607.     uint32_t reg_file;
  608.  
  609.     if (inst->bits1.da3src.dest_reg_file)
  610.        reg_file = BRW_MESSAGE_REGISTER_FILE;
  611.     else
  612.        reg_file = BRW_GENERAL_REGISTER_FILE;
  613.  
  614.     err |= reg (file, reg_file, inst->bits1.da3src.dest_reg_nr);
  615.     if (err == -1)
  616.        return 0;
  617.     if (inst->bits1.da3src.dest_subreg_nr)
  618.        format (file, ".%d", inst->bits1.da3src.dest_subreg_nr);
  619.     string (file, "<1>");
  620.     err |= control (file, "writemask", writemask, inst->bits1.da3src.dest_writemask, NULL);
  621.     err |= control (file, "dest reg encoding", reg_encoding, BRW_REGISTER_TYPE_F, NULL);
  622.  
  623.     return 0;
  624. }
  625.  
  626. static int src_align1_region (FILE *file,
  627.                               GLuint _vert_stride, GLuint _width, GLuint _horiz_stride)
  628. {
  629.     int err = 0;
  630.     string (file, "<");
  631.     err |= control (file, "vert stride", vert_stride, _vert_stride, NULL);
  632.     string (file, ",");
  633.     err |= control (file, "width", width, _width, NULL);
  634.     string (file, ",");
  635.     err |= control (file, "horiz_stride", horiz_stride, _horiz_stride, NULL);
  636.     string (file, ">");
  637.     return err;
  638. }
  639.  
  640. static int src_da1 (FILE *file, GLuint type, GLuint _reg_file,
  641.                     GLuint _vert_stride, GLuint _width, GLuint _horiz_stride,
  642.                     GLuint reg_num, GLuint sub_reg_num, GLuint __abs, GLuint _negate)
  643. {
  644.     int err = 0;
  645.     err |= control (file, "negate", negate, _negate, NULL);
  646.     err |= control (file, "abs", _abs, __abs, NULL);
  647.  
  648.     err |= reg (file, _reg_file, reg_num);
  649.     if (err == -1)
  650.         return 0;
  651.     if (sub_reg_num)
  652.         format (file, ".%d", sub_reg_num / reg_type_size[type]); /* use formal style like spec */
  653.     src_align1_region (file, _vert_stride, _width, _horiz_stride);
  654.     err |= control (file, "src reg encoding", reg_encoding, type, NULL);
  655.     return err;
  656. }
  657.  
  658. static int src_ia1 (FILE *file,
  659.                     GLuint type,
  660.                     GLuint _reg_file,
  661.                     GLint _addr_imm,
  662.                     GLuint _addr_subreg_nr,
  663.                     GLuint _negate,
  664.                     GLuint __abs,
  665.                     GLuint _addr_mode,
  666.                     GLuint _horiz_stride,
  667.                     GLuint _width,
  668.                     GLuint _vert_stride)
  669. {
  670.     int err = 0;
  671.     err |= control (file, "negate", negate, _negate, NULL);
  672.     err |= control (file, "abs", _abs, __abs, NULL);
  673.  
  674.     string (file, "g[a0");
  675.     if (_addr_subreg_nr)
  676.         format (file, ".%d", _addr_subreg_nr);
  677.     if (_addr_imm)
  678.         format (file, " %d", _addr_imm);
  679.     string (file, "]");
  680.     src_align1_region (file, _vert_stride, _width, _horiz_stride);
  681.     err |= control (file, "src reg encoding", reg_encoding, type, NULL);
  682.     return err;
  683. }
  684.  
  685. static int src_da16 (FILE *file,
  686.                      GLuint _reg_type,
  687.                      GLuint _reg_file,
  688.                      GLuint _vert_stride,
  689.                      GLuint _reg_nr,
  690.                      GLuint _subreg_nr,
  691.                      GLuint __abs,
  692.                      GLuint _negate,
  693.                      GLuint swz_x,
  694.                      GLuint swz_y,
  695.                      GLuint swz_z,
  696.                      GLuint swz_w)
  697. {
  698.     int err = 0;
  699.     err |= control (file, "negate", negate, _negate, NULL);
  700.     err |= control (file, "abs", _abs, __abs, NULL);
  701.  
  702.     err |= reg (file, _reg_file, _reg_nr);
  703.     if (err == -1)
  704.         return 0;
  705.     if (_subreg_nr)
  706.         /* bit4 for subreg number byte addressing. Make this same meaning as
  707.            in da1 case, so output looks consistent. */
  708.         format (file, ".%d", 16 / reg_type_size[_reg_type]);
  709.     string (file, "<");
  710.     err |= control (file, "vert stride", vert_stride, _vert_stride, NULL);
  711.     string (file, ",4,1>");
  712.     /*
  713.      * Three kinds of swizzle display:
  714.      *  identity - nothing printed
  715.      *  1->all   - print the single channel
  716.      *  1->1     - print the mapping
  717.      */
  718.     if (swz_x == BRW_CHANNEL_X &&
  719.         swz_y == BRW_CHANNEL_Y &&
  720.         swz_z == BRW_CHANNEL_Z &&
  721.         swz_w == BRW_CHANNEL_W)
  722.     {
  723.         ;
  724.     }
  725.     else if (swz_x == swz_y && swz_x == swz_z && swz_x == swz_w)
  726.     {
  727.         string (file, ".");
  728.         err |= control (file, "channel select", chan_sel, swz_x, NULL);
  729.     }
  730.     else
  731.     {
  732.         string (file, ".");
  733.         err |= control (file, "channel select", chan_sel, swz_x, NULL);
  734.         err |= control (file, "channel select", chan_sel, swz_y, NULL);
  735.         err |= control (file, "channel select", chan_sel, swz_z, NULL);
  736.         err |= control (file, "channel select", chan_sel, swz_w, NULL);
  737.     }
  738.     err |= control (file, "src da16 reg type", reg_encoding, _reg_type, NULL);
  739.     return err;
  740. }
  741.  
  742. static int src0_3src (FILE *file, struct brw_instruction *inst)
  743. {
  744.     int err = 0;
  745.     GLuint swz_x = (inst->bits2.da3src.src0_swizzle >> 0) & 0x3;
  746.     GLuint swz_y = (inst->bits2.da3src.src0_swizzle >> 2) & 0x3;
  747.     GLuint swz_z = (inst->bits2.da3src.src0_swizzle >> 4) & 0x3;
  748.     GLuint swz_w = (inst->bits2.da3src.src0_swizzle >> 6) & 0x3;
  749.  
  750.     err |= control (file, "negate", negate, inst->bits1.da3src.src0_negate, NULL);
  751.     err |= control (file, "abs", _abs, inst->bits1.da3src.src0_abs, NULL);
  752.  
  753.     err |= reg (file, BRW_GENERAL_REGISTER_FILE, inst->bits2.da3src.src0_reg_nr);
  754.     if (err == -1)
  755.         return 0;
  756.     if (inst->bits2.da3src.src0_subreg_nr)
  757.         format (file, ".%d", inst->bits2.da3src.src0_subreg_nr);
  758.     string (file, "<4,1,1>");
  759.     err |= control (file, "src da16 reg type", reg_encoding,
  760.                     BRW_REGISTER_TYPE_F, NULL);
  761.     /*
  762.      * Three kinds of swizzle display:
  763.      *  identity - nothing printed
  764.      *  1->all   - print the single channel
  765.      *  1->1     - print the mapping
  766.      */
  767.     if (swz_x == BRW_CHANNEL_X &&
  768.         swz_y == BRW_CHANNEL_Y &&
  769.         swz_z == BRW_CHANNEL_Z &&
  770.         swz_w == BRW_CHANNEL_W)
  771.     {
  772.         ;
  773.     }
  774.     else if (swz_x == swz_y && swz_x == swz_z && swz_x == swz_w)
  775.     {
  776.         string (file, ".");
  777.         err |= control (file, "channel select", chan_sel, swz_x, NULL);
  778.     }
  779.     else
  780.     {
  781.         string (file, ".");
  782.         err |= control (file, "channel select", chan_sel, swz_x, NULL);
  783.         err |= control (file, "channel select", chan_sel, swz_y, NULL);
  784.         err |= control (file, "channel select", chan_sel, swz_z, NULL);
  785.         err |= control (file, "channel select", chan_sel, swz_w, NULL);
  786.     }
  787.     return err;
  788. }
  789.  
  790. static int src1_3src (FILE *file, struct brw_instruction *inst)
  791. {
  792.     int err = 0;
  793.     GLuint swz_x = (inst->bits2.da3src.src1_swizzle >> 0) & 0x3;
  794.     GLuint swz_y = (inst->bits2.da3src.src1_swizzle >> 2) & 0x3;
  795.     GLuint swz_z = (inst->bits2.da3src.src1_swizzle >> 4) & 0x3;
  796.     GLuint swz_w = (inst->bits2.da3src.src1_swizzle >> 6) & 0x3;
  797.     GLuint src1_subreg_nr = (inst->bits2.da3src.src1_subreg_nr_low |
  798.                              (inst->bits3.da3src.src1_subreg_nr_high << 2));
  799.  
  800.     err |= control (file, "negate", negate, inst->bits1.da3src.src1_negate,
  801.                     NULL);
  802.     err |= control (file, "abs", _abs, inst->bits1.da3src.src1_abs, NULL);
  803.  
  804.     err |= reg (file, BRW_GENERAL_REGISTER_FILE,
  805.                 inst->bits3.da3src.src1_reg_nr);
  806.     if (err == -1)
  807.         return 0;
  808.     if (src1_subreg_nr)
  809.         format (file, ".%d", src1_subreg_nr);
  810.     string (file, "<4,1,1>");
  811.     err |= control (file, "src da16 reg type", reg_encoding,
  812.                     BRW_REGISTER_TYPE_F, NULL);
  813.     /*
  814.      * Three kinds of swizzle display:
  815.      *  identity - nothing printed
  816.      *  1->all   - print the single channel
  817.      *  1->1     - print the mapping
  818.      */
  819.     if (swz_x == BRW_CHANNEL_X &&
  820.         swz_y == BRW_CHANNEL_Y &&
  821.         swz_z == BRW_CHANNEL_Z &&
  822.         swz_w == BRW_CHANNEL_W)
  823.     {
  824.         ;
  825.     }
  826.     else if (swz_x == swz_y && swz_x == swz_z && swz_x == swz_w)
  827.     {
  828.         string (file, ".");
  829.         err |= control (file, "channel select", chan_sel, swz_x, NULL);
  830.     }
  831.     else
  832.     {
  833.         string (file, ".");
  834.         err |= control (file, "channel select", chan_sel, swz_x, NULL);
  835.         err |= control (file, "channel select", chan_sel, swz_y, NULL);
  836.         err |= control (file, "channel select", chan_sel, swz_z, NULL);
  837.         err |= control (file, "channel select", chan_sel, swz_w, NULL);
  838.     }
  839.     return err;
  840. }
  841.  
  842.  
  843. static int src2_3src (FILE *file, struct brw_instruction *inst)
  844. {
  845.     int err = 0;
  846.     GLuint swz_x = (inst->bits3.da3src.src2_swizzle >> 0) & 0x3;
  847.     GLuint swz_y = (inst->bits3.da3src.src2_swizzle >> 2) & 0x3;
  848.     GLuint swz_z = (inst->bits3.da3src.src2_swizzle >> 4) & 0x3;
  849.     GLuint swz_w = (inst->bits3.da3src.src2_swizzle >> 6) & 0x3;
  850.  
  851.     err |= control (file, "negate", negate, inst->bits1.da3src.src2_negate,
  852.                     NULL);
  853.     err |= control (file, "abs", _abs, inst->bits1.da3src.src2_abs, NULL);
  854.  
  855.     err |= reg (file, BRW_GENERAL_REGISTER_FILE,
  856.                 inst->bits3.da3src.src2_reg_nr);
  857.     if (err == -1)
  858.         return 0;
  859.     if (inst->bits3.da3src.src2_subreg_nr)
  860.         format (file, ".%d", inst->bits3.da3src.src2_subreg_nr);
  861.     string (file, "<4,1,1>");
  862.     err |= control (file, "src da16 reg type", reg_encoding,
  863.                     BRW_REGISTER_TYPE_F, NULL);
  864.     /*
  865.      * Three kinds of swizzle display:
  866.      *  identity - nothing printed
  867.      *  1->all   - print the single channel
  868.      *  1->1     - print the mapping
  869.      */
  870.     if (swz_x == BRW_CHANNEL_X &&
  871.         swz_y == BRW_CHANNEL_Y &&
  872.         swz_z == BRW_CHANNEL_Z &&
  873.         swz_w == BRW_CHANNEL_W)
  874.     {
  875.         ;
  876.     }
  877.     else if (swz_x == swz_y && swz_x == swz_z && swz_x == swz_w)
  878.     {
  879.         string (file, ".");
  880.         err |= control (file, "channel select", chan_sel, swz_x, NULL);
  881.     }
  882.     else
  883.     {
  884.         string (file, ".");
  885.         err |= control (file, "channel select", chan_sel, swz_x, NULL);
  886.         err |= control (file, "channel select", chan_sel, swz_y, NULL);
  887.         err |= control (file, "channel select", chan_sel, swz_z, NULL);
  888.         err |= control (file, "channel select", chan_sel, swz_w, NULL);
  889.     }
  890.     return err;
  891. }
  892.  
  893. static int imm (FILE *file, GLuint type, struct brw_instruction *inst) {
  894.     switch (type) {
  895.     case BRW_REGISTER_TYPE_UD:
  896.         format (file, "0x%08xUD", inst->bits3.ud);
  897.         break;
  898.     case BRW_REGISTER_TYPE_D:
  899.         format (file, "%dD", inst->bits3.d);
  900.         break;
  901.     case BRW_REGISTER_TYPE_UW:
  902.         format (file, "0x%04xUW", (uint16_t) inst->bits3.ud);
  903.         break;
  904.     case BRW_REGISTER_TYPE_W:
  905.         format (file, "%dW", (int16_t) inst->bits3.d);
  906.         break;
  907.     case BRW_REGISTER_TYPE_UB:
  908.         format (file, "0x%02xUB", (int8_t) inst->bits3.ud);
  909.         break;
  910.     case BRW_REGISTER_TYPE_VF:
  911.         format (file, "Vector Float");
  912.         break;
  913.     case BRW_REGISTER_TYPE_V:
  914.         format (file, "0x%08xV", inst->bits3.ud);
  915.         break;
  916.     case BRW_REGISTER_TYPE_F:
  917.         format (file, "%-gF", inst->bits3.f);
  918.     }
  919.     return 0;
  920. }
  921.  
  922. static int src0 (FILE *file, struct brw_instruction *inst)
  923. {
  924.     if (inst->bits1.da1.src0_reg_file == BRW_IMMEDIATE_VALUE)
  925.         return imm (file, inst->bits1.da1.src0_reg_type,
  926.                     inst);
  927.     else if (inst->header.access_mode == BRW_ALIGN_1)
  928.     {
  929.         if (inst->bits2.da1.src0_address_mode == BRW_ADDRESS_DIRECT)
  930.         {
  931.             return src_da1 (file,
  932.                             inst->bits1.da1.src0_reg_type,
  933.                             inst->bits1.da1.src0_reg_file,
  934.                             inst->bits2.da1.src0_vert_stride,
  935.                             inst->bits2.da1.src0_width,
  936.                             inst->bits2.da1.src0_horiz_stride,
  937.                             inst->bits2.da1.src0_reg_nr,
  938.                             inst->bits2.da1.src0_subreg_nr,
  939.                             inst->bits2.da1.src0_abs,
  940.                             inst->bits2.da1.src0_negate);
  941.         }
  942.         else
  943.         {
  944.             return src_ia1 (file,
  945.                             inst->bits1.ia1.src0_reg_type,
  946.                             inst->bits1.ia1.src0_reg_file,
  947.                             inst->bits2.ia1.src0_indirect_offset,
  948.                             inst->bits2.ia1.src0_subreg_nr,
  949.                             inst->bits2.ia1.src0_negate,
  950.                             inst->bits2.ia1.src0_abs,
  951.                             inst->bits2.ia1.src0_address_mode,
  952.                             inst->bits2.ia1.src0_horiz_stride,
  953.                             inst->bits2.ia1.src0_width,
  954.                             inst->bits2.ia1.src0_vert_stride);
  955.         }
  956.     }
  957.     else
  958.     {
  959.         if (inst->bits2.da16.src0_address_mode == BRW_ADDRESS_DIRECT)
  960.         {
  961.             return src_da16 (file,
  962.                              inst->bits1.da16.src0_reg_type,
  963.                              inst->bits1.da16.src0_reg_file,
  964.                              inst->bits2.da16.src0_vert_stride,
  965.                              inst->bits2.da16.src0_reg_nr,
  966.                              inst->bits2.da16.src0_subreg_nr,
  967.                              inst->bits2.da16.src0_abs,
  968.                              inst->bits2.da16.src0_negate,
  969.                              inst->bits2.da16.src0_swz_x,
  970.                              inst->bits2.da16.src0_swz_y,
  971.                              inst->bits2.da16.src0_swz_z,
  972.                              inst->bits2.da16.src0_swz_w);
  973.         }
  974.         else
  975.         {
  976.             string (file, "Indirect align16 address mode not supported");
  977.             return 1;
  978.         }
  979.     }
  980. }
  981.  
  982. static int src1 (FILE *file, struct brw_instruction *inst)
  983. {
  984.     if (inst->bits1.da1.src1_reg_file == BRW_IMMEDIATE_VALUE)
  985.         return imm (file, inst->bits1.da1.src1_reg_type,
  986.                     inst);
  987.     else if (inst->header.access_mode == BRW_ALIGN_1)
  988.     {
  989.         if (inst->bits3.da1.src1_address_mode == BRW_ADDRESS_DIRECT)
  990.         {
  991.             return src_da1 (file,
  992.                             inst->bits1.da1.src1_reg_type,
  993.                             inst->bits1.da1.src1_reg_file,
  994.                             inst->bits3.da1.src1_vert_stride,
  995.                             inst->bits3.da1.src1_width,
  996.                             inst->bits3.da1.src1_horiz_stride,
  997.                             inst->bits3.da1.src1_reg_nr,
  998.                             inst->bits3.da1.src1_subreg_nr,
  999.                             inst->bits3.da1.src1_abs,
  1000.                             inst->bits3.da1.src1_negate);
  1001.         }
  1002.         else
  1003.         {
  1004.             return src_ia1 (file,
  1005.                             inst->bits1.ia1.src1_reg_type,
  1006.                             inst->bits1.ia1.src1_reg_file,
  1007.                             inst->bits3.ia1.src1_indirect_offset,
  1008.                             inst->bits3.ia1.src1_subreg_nr,
  1009.                             inst->bits3.ia1.src1_negate,
  1010.                             inst->bits3.ia1.src1_abs,
  1011.                             inst->bits3.ia1.src1_address_mode,
  1012.                             inst->bits3.ia1.src1_horiz_stride,
  1013.                             inst->bits3.ia1.src1_width,
  1014.                             inst->bits3.ia1.src1_vert_stride);
  1015.         }
  1016.     }
  1017.     else
  1018.     {
  1019.         if (inst->bits3.da16.src1_address_mode == BRW_ADDRESS_DIRECT)
  1020.         {
  1021.             return src_da16 (file,
  1022.                              inst->bits1.da16.src1_reg_type,
  1023.                              inst->bits1.da16.src1_reg_file,
  1024.                              inst->bits3.da16.src1_vert_stride,
  1025.                              inst->bits3.da16.src1_reg_nr,
  1026.                              inst->bits3.da16.src1_subreg_nr,
  1027.                              inst->bits3.da16.src1_abs,
  1028.                              inst->bits3.da16.src1_negate,
  1029.                              inst->bits3.da16.src1_swz_x,
  1030.                              inst->bits3.da16.src1_swz_y,
  1031.                              inst->bits3.da16.src1_swz_z,
  1032.                              inst->bits3.da16.src1_swz_w);
  1033.         }
  1034.         else
  1035.         {
  1036.             string (file, "Indirect align16 address mode not supported");
  1037.             return 1;
  1038.         }
  1039.     }
  1040. }
  1041.  
  1042. int esize[6] = {
  1043.         [0] = 1,
  1044.         [1] = 2,
  1045.         [2] = 4,
  1046.         [3] = 8,
  1047.         [4] = 16,
  1048.         [5] = 32,
  1049. };
  1050.  
  1051. static int qtr_ctrl(FILE *file, struct brw_instruction *inst)
  1052. {
  1053.     int qtr_ctl = inst->header.compression_control;
  1054.     int exec_size = esize[inst->header.execution_size];
  1055.  
  1056.     if (exec_size == 8) {
  1057.         switch (qtr_ctl) {
  1058.         case 0:
  1059.             string (file, " 1Q");
  1060.             break;
  1061.         case 1:
  1062.             string (file, " 2Q");
  1063.             break;
  1064.         case 2:
  1065.             string (file, " 3Q");
  1066.             break;
  1067.         case 3:
  1068.             string (file, " 4Q");
  1069.             break;
  1070.         }
  1071.     } else if (exec_size == 16){
  1072.         if (qtr_ctl < 2)
  1073.             string (file, " 1H");
  1074.         else
  1075.             string (file, " 2H");
  1076.     }
  1077.     return 0;
  1078. }
  1079.  
  1080. int brw_disasm (FILE *file, struct brw_instruction *inst, int gen)
  1081. {
  1082.     int err = 0;
  1083.     int space = 0;
  1084.  
  1085.     if (inst->header.predicate_control) {
  1086.         string (file, "(");
  1087.         err |= control (file, "predicate inverse", pred_inv, inst->header.predicate_inverse, NULL);
  1088.         format (file, "f%d", gen >= 7 ? inst->bits2.da1.flag_reg_nr : 0);
  1089.         if (inst->bits2.da1.flag_subreg_nr)
  1090.             format (file, ".%d", inst->bits2.da1.flag_subreg_nr);
  1091.         if (inst->header.access_mode == BRW_ALIGN_1)
  1092.             err |= control (file, "predicate control align1", pred_ctrl_align1,
  1093.                             inst->header.predicate_control, NULL);
  1094.         else
  1095.             err |= control (file, "predicate control align16", pred_ctrl_align16,
  1096.                             inst->header.predicate_control, NULL);
  1097.         string (file, ") ");
  1098.     }
  1099.  
  1100.     err |= print_opcode (file, inst->header.opcode);
  1101.     err |= control (file, "saturate", saturate, inst->header.saturate, NULL);
  1102.     err |= control (file, "debug control", debug_ctrl, inst->header.debug_control, NULL);
  1103.  
  1104.     if (inst->header.opcode == BRW_OPCODE_MATH) {
  1105.         string (file, " ");
  1106.         err |= control (file, "function", math_function,
  1107.                         inst->header.destreg__conditionalmod, NULL);
  1108.     } else if (inst->header.opcode != BRW_OPCODE_SEND &&
  1109.                inst->header.opcode != BRW_OPCODE_SENDC) {
  1110.         err |= control (file, "conditional modifier", conditional_modifier,
  1111.                         inst->header.destreg__conditionalmod, NULL);
  1112.  
  1113.         /* If we're using the conditional modifier, print which flags reg is
  1114.          * used for it.  Note that on gen6+, the embedded-condition SEL and
  1115.          * control flow doesn't update flags.
  1116.          */
  1117.         if (inst->header.destreg__conditionalmod &&
  1118.             (gen < 6 || (inst->header.opcode != BRW_OPCODE_SEL &&
  1119.                          inst->header.opcode != BRW_OPCODE_IF &&
  1120.                          inst->header.opcode != BRW_OPCODE_WHILE))) {
  1121.             format (file, ".f%d", gen >= 7 ? inst->bits2.da1.flag_reg_nr : 0);
  1122.             if (inst->bits2.da1.flag_subreg_nr)
  1123.                 format (file, ".%d", inst->bits2.da1.flag_subreg_nr);
  1124.         }
  1125.     }
  1126.  
  1127.     if (inst->header.opcode != BRW_OPCODE_NOP) {
  1128.         string (file, "(");
  1129.         err |= control (file, "execution size", exec_size, inst->header.execution_size, NULL);
  1130.         string (file, ")");
  1131.     }
  1132.  
  1133.     if (inst->header.opcode == BRW_OPCODE_SEND && gen < 6)
  1134.         format (file, " %d", inst->header.destreg__conditionalmod);
  1135.  
  1136.     if (opcode[inst->header.opcode].nsrc == 3) {
  1137.        pad (file, 16);
  1138.        err |= dest_3src (file, inst);
  1139.  
  1140.        pad (file, 32);
  1141.        err |= src0_3src (file, inst);
  1142.  
  1143.        pad (file, 48);
  1144.        err |= src1_3src (file, inst);
  1145.  
  1146.        pad (file, 64);
  1147.        err |= src2_3src (file, inst);
  1148.     } else {
  1149.        if (opcode[inst->header.opcode].ndst > 0) {
  1150.           pad (file, 16);
  1151.           err |= dest (file, inst);
  1152.        } else if (gen == 7 && (inst->header.opcode == BRW_OPCODE_ELSE ||
  1153.                                inst->header.opcode == BRW_OPCODE_ENDIF ||
  1154.                                inst->header.opcode == BRW_OPCODE_WHILE)) {
  1155.           format (file, " %d", inst->bits3.break_cont.jip);
  1156.        } else if (gen == 6 && (inst->header.opcode == BRW_OPCODE_IF ||
  1157.                                inst->header.opcode == BRW_OPCODE_ELSE ||
  1158.                                inst->header.opcode == BRW_OPCODE_ENDIF ||
  1159.                                inst->header.opcode == BRW_OPCODE_WHILE)) {
  1160.           format (file, " %d", inst->bits1.branch_gen6.jump_count);
  1161.        } else if ((gen >= 6 && (inst->header.opcode == BRW_OPCODE_BREAK ||
  1162.                                 inst->header.opcode == BRW_OPCODE_CONTINUE ||
  1163.                                 inst->header.opcode == BRW_OPCODE_HALT)) ||
  1164.                   (gen == 7 && inst->header.opcode == BRW_OPCODE_IF)) {
  1165.           format (file, " %d %d", inst->bits3.break_cont.uip, inst->bits3.break_cont.jip);
  1166.        } else if (inst->header.opcode == BRW_OPCODE_JMPI) {
  1167.           format (file, " %d", inst->bits3.d);
  1168.        }
  1169.  
  1170.        if (opcode[inst->header.opcode].nsrc > 0) {
  1171.           pad (file, 32);
  1172.           err |= src0 (file, inst);
  1173.        }
  1174.        if (opcode[inst->header.opcode].nsrc > 1) {
  1175.           pad (file, 48);
  1176.           err |= src1 (file, inst);
  1177.        }
  1178.     }
  1179.  
  1180.     if (inst->header.opcode == BRW_OPCODE_SEND ||
  1181.         inst->header.opcode == BRW_OPCODE_SENDC) {
  1182.         enum brw_message_target target;
  1183.  
  1184.         if (gen >= 6)
  1185.             target = inst->header.destreg__conditionalmod;
  1186.         else if (gen == 5)
  1187.             target = inst->bits2.send_gen5.sfid;
  1188.         else
  1189.             target = inst->bits3.generic.msg_target;
  1190.  
  1191.         newline (file);
  1192.         pad (file, 16);
  1193.         space = 0;
  1194.  
  1195.         if (gen >= 6) {
  1196.            err |= control (file, "target function", target_function_gen6,
  1197.                            target, &space);
  1198.         } else {
  1199.            err |= control (file, "target function", target_function,
  1200.                            target, &space);
  1201.         }
  1202.  
  1203.         switch (target) {
  1204.         case BRW_SFID_MATH:
  1205.             err |= control (file, "math function", math_function,
  1206.                             inst->bits3.math.function, &space);
  1207.             err |= control (file, "math saturate", math_saturate,
  1208.                             inst->bits3.math.saturate, &space);
  1209.             err |= control (file, "math signed", math_signed,
  1210.                             inst->bits3.math.int_type, &space);
  1211.             err |= control (file, "math scalar", math_scalar,
  1212.                             inst->bits3.math.data_type, &space);
  1213.             err |= control (file, "math precision", math_precision,
  1214.                             inst->bits3.math.precision, &space);
  1215.             break;
  1216.         case BRW_SFID_SAMPLER:
  1217.             if (gen >= 7) {
  1218.                 format (file, " (%d, %d, %d, %d)",
  1219.                         inst->bits3.sampler_gen7.binding_table_index,
  1220.                         inst->bits3.sampler_gen7.sampler,
  1221.                         inst->bits3.sampler_gen7.msg_type,
  1222.                         inst->bits3.sampler_gen7.simd_mode);
  1223.             } else if (gen >= 5) {
  1224.                 format (file, " (%d, %d, %d, %d)",
  1225.                         inst->bits3.sampler_gen5.binding_table_index,
  1226.                         inst->bits3.sampler_gen5.sampler,
  1227.                         inst->bits3.sampler_gen5.msg_type,
  1228.                         inst->bits3.sampler_gen5.simd_mode);
  1229.             } else if (0 /* FINISHME: is_g4x */) {
  1230.                 format (file, " (%d, %d)",
  1231.                         inst->bits3.sampler_g4x.binding_table_index,
  1232.                         inst->bits3.sampler_g4x.sampler);
  1233.             } else {
  1234.                 format (file, " (%d, %d, ",
  1235.                         inst->bits3.sampler.binding_table_index,
  1236.                         inst->bits3.sampler.sampler);
  1237.                 err |= control (file, "sampler target format",
  1238.                                 sampler_target_format,
  1239.                                 inst->bits3.sampler.return_format, NULL);
  1240.                 string (file, ")");
  1241.             }
  1242.             break;
  1243.         case BRW_SFID_DATAPORT_READ:
  1244.             if (gen >= 6) {
  1245.                 format (file, " (%d, %d, %d, %d)",
  1246.                         inst->bits3.gen6_dp.binding_table_index,
  1247.                         inst->bits3.gen6_dp.msg_control,
  1248.                         inst->bits3.gen6_dp.msg_type,
  1249.                         inst->bits3.gen6_dp.send_commit_msg);
  1250.             } else if (gen >= 5 /* FINISHME: || is_g4x */) {
  1251.                 format (file, " (%d, %d, %d)",
  1252.                         inst->bits3.dp_read_gen5.binding_table_index,
  1253.                         inst->bits3.dp_read_gen5.msg_control,
  1254.                         inst->bits3.dp_read_gen5.msg_type);
  1255.             } else {
  1256.                 format (file, " (%d, %d, %d)",
  1257.                         inst->bits3.dp_read.binding_table_index,
  1258.                         inst->bits3.dp_read.msg_control,
  1259.                         inst->bits3.dp_read.msg_type);
  1260.             }
  1261.             break;
  1262.  
  1263.         case BRW_SFID_DATAPORT_WRITE:
  1264.             if (gen >= 7) {
  1265.                 format (file, " (");
  1266.  
  1267.                 err |= control (file, "DP rc message type",
  1268.                                 dp_rc_msg_type_gen6,
  1269.                                 inst->bits3.gen7_dp.msg_type, &space);
  1270.  
  1271.                 format (file, ", %d, %d, %d)",
  1272.                         inst->bits3.gen7_dp.binding_table_index,
  1273.                         inst->bits3.gen7_dp.msg_control,
  1274.                         inst->bits3.gen7_dp.msg_type);
  1275.             } else if (gen == 6) {
  1276.                 format (file, " (");
  1277.  
  1278.                 err |= control (file, "DP rc message type",
  1279.                                 dp_rc_msg_type_gen6,
  1280.                                 inst->bits3.gen6_dp.msg_type, &space);
  1281.  
  1282.                 format (file, ", %d, %d, %d, %d)",
  1283.                         inst->bits3.gen6_dp.binding_table_index,
  1284.                         inst->bits3.gen6_dp.msg_control,
  1285.                         inst->bits3.gen6_dp.msg_type,
  1286.                         inst->bits3.gen6_dp.send_commit_msg);
  1287.             } else {
  1288.                 format (file, " (%d, %d, %d, %d)",
  1289.                         inst->bits3.dp_write.binding_table_index,
  1290.                         (inst->bits3.dp_write.last_render_target << 3) |
  1291.                         inst->bits3.dp_write.msg_control,
  1292.                         inst->bits3.dp_write.msg_type,
  1293.                         inst->bits3.dp_write.send_commit_msg);
  1294.             }
  1295.             break;
  1296.  
  1297.         case BRW_SFID_URB:
  1298.             if (gen >= 5) {
  1299.                 format (file, " %d", inst->bits3.urb_gen5.offset);
  1300.             } else {
  1301.                 format (file, " %d", inst->bits3.urb.offset);
  1302.             }
  1303.  
  1304.             space = 1;
  1305.             if (gen >= 5) {
  1306.                 err |= control (file, "urb opcode", urb_opcode,
  1307.                                 inst->bits3.urb_gen5.opcode, &space);
  1308.             }
  1309.             err |= control (file, "urb swizzle", urb_swizzle,
  1310.                             inst->bits3.urb.swizzle_control, &space);
  1311.             err |= control (file, "urb allocate", urb_allocate,
  1312.                             inst->bits3.urb.allocate, &space);
  1313.             err |= control (file, "urb used", urb_used,
  1314.                             inst->bits3.urb.used, &space);
  1315.             err |= control (file, "urb complete", urb_complete,
  1316.                             inst->bits3.urb.complete, &space);
  1317.             break;
  1318.         case BRW_SFID_THREAD_SPAWNER:
  1319.             break;
  1320.         case GEN7_SFID_DATAPORT_DATA_CACHE:
  1321.             format (file, " (%d, %d, %d)",
  1322.                     inst->bits3.gen7_dp.binding_table_index,
  1323.                     inst->bits3.gen7_dp.msg_control,
  1324.                     inst->bits3.gen7_dp.msg_type);
  1325.             break;
  1326.  
  1327.  
  1328.         default:
  1329.             format (file, "unsupported target %d", target);
  1330.             break;
  1331.         }
  1332.         if (space)
  1333.             string (file, " ");
  1334.         if (gen >= 5) {
  1335.            format (file, "mlen %d",
  1336.                    inst->bits3.generic_gen5.msg_length);
  1337.            format (file, " rlen %d",
  1338.                    inst->bits3.generic_gen5.response_length);
  1339.         } else {
  1340.            format (file, "mlen %d",
  1341.                    inst->bits3.generic.msg_length);
  1342.            format (file, " rlen %d",
  1343.                    inst->bits3.generic.response_length);
  1344.         }
  1345.     }
  1346.     pad (file, 64);
  1347.     if (inst->header.opcode != BRW_OPCODE_NOP) {
  1348.         string (file, "{");
  1349.         space = 1;
  1350.         err |= control(file, "access mode", access_mode, inst->header.access_mode, &space);
  1351.         if (gen >= 6)
  1352.             err |= control (file, "write enable control", wectrl, inst->header.mask_control, &space);
  1353.         else
  1354.             err |= control (file, "mask control", mask_ctrl, inst->header.mask_control, &space);
  1355.         err |= control (file, "dependency control", dep_ctrl, inst->header.dependency_control, &space);
  1356.  
  1357.         if (gen >= 6)
  1358.             err |= qtr_ctrl (file, inst);
  1359.         else {
  1360.             if (inst->header.compression_control == BRW_COMPRESSION_COMPRESSED &&
  1361.                 opcode[inst->header.opcode].ndst > 0 &&
  1362.                 inst->bits1.da1.dest_reg_file == BRW_MESSAGE_REGISTER_FILE &&
  1363.                 inst->bits1.da1.dest_reg_nr & (1 << 7)) {
  1364.                 format (file, " compr4");
  1365.             } else {
  1366.                 err |= control (file, "compression control", compr_ctrl,
  1367.                                 inst->header.compression_control, &space);
  1368.             }
  1369.         }
  1370.  
  1371.         err |= control (file, "thread control", thread_ctrl, inst->header.thread_control, &space);
  1372.         if (gen >= 6)
  1373.             err |= control (file, "acc write control", accwr, inst->header.acc_wr_control, &space);
  1374.         if (inst->header.opcode == BRW_OPCODE_SEND ||
  1375.             inst->header.opcode == BRW_OPCODE_SENDC)
  1376.             err |= control (file, "end of thread", end_of_thread,
  1377.                             inst->bits3.generic.end_of_thread, &space);
  1378.         if (space)
  1379.             string (file, " ");
  1380.         string (file, "}");
  1381.     }
  1382.     string (file, ";");
  1383.     newline (file);
  1384.     return err;
  1385. }
  1386.