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