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5563 serge 1
/*
2
 * Copyright 2008 Corbin Simpson 
3
 *
4
 * All Rights Reserved.
5
 *
6
 * Permission is hereby granted, free of charge, to any person obtaining
7
 * a copy of this software and associated documentation files (the
8
 * "Software"), to deal in the Software without restriction, including
9
 * without limitation the rights to use, copy, modify, merge, publish,
10
 * distribute, sublicense, and/or sell copies of the Software, and to
11
 * permit persons to whom the Software is furnished to do so, subject to
12
 * the following conditions:
13
 *
14
 * The above copyright notice and this permission notice (including the
15
 * next paragraph) shall be included in all copies or substantial
16
 * portions of the Software.
17
 *
18
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21
 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
22
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25
 *
26
 */
27
 
28
#include "r500_fragprog.h"
29
 
30
#include 
31
 
32
#include "radeon_compiler_util.h"
33
#include "radeon_list.h"
34
#include "radeon_variable.h"
35
#include "../r300_reg.h"
36
 
37
/**
38
 * Rewrite IF instructions to use the ALU result special register.
39
 */
40
int r500_transform_IF(
41
	struct radeon_compiler * c,
42
	struct rc_instruction * inst_if,
43
	void *data)
44
{
45
	struct rc_variable * writer;
46
	struct rc_list * writer_list, * list_ptr;
47
	struct rc_list * var_list = rc_get_variables(c);
48
	unsigned int generic_if = 0;
49
	unsigned int alu_chan;
50
 
51
	if (inst_if->U.I.Opcode != RC_OPCODE_IF) {
52
		return 0;
53
	}
54
 
55
	writer_list = rc_variable_list_get_writers(
56
			var_list, inst_if->Type, &inst_if->U.I.SrcReg[0]);
57
	if (!writer_list) {
58
		generic_if = 1;
59
	} else {
60
 
61
		/* Make sure it is safe for the writers to write to
62
		 * ALU Result */
63
		for (list_ptr = writer_list; list_ptr;
64
						list_ptr = list_ptr->Next) {
65
			struct rc_instruction * inst;
66
			writer = list_ptr->Item;
67
			/* We are going to modify the destination register
68
			 * of writer, so if it has a reader other than
69
			 * inst_if (aka ReaderCount > 1) we must fall back to
70
			 * our generic IF.
71
			 * If the writer has a lower IP than inst_if, this
72
			 * means that inst_if is above the writer in a loop.
73
			 * I'm not sure why this would ever happen, but
74
			 * if it does we want to make sure we fall back
75
			 * to our generic IF. */
76
			if (writer->ReaderCount > 1 || writer->Inst->IP < inst_if->IP) {
77
				generic_if = 1;
78
				break;
79
			}
80
 
81
			/* The ALU Result is not preserved across IF
82
			 * instructions, so if there is another IF
83
			 * instruction between writer and inst_if, then
84
			 * we need to fall back to generic IF. */
85
			for (inst = writer->Inst; inst != inst_if; inst = inst->Next) {
86
				const struct rc_opcode_info * info =
87
					rc_get_opcode_info(inst->U.I.Opcode);
88
				if (info->IsFlowControl) {
89
					generic_if = 1;
90
					break;
91
				}
92
			}
93
			if (generic_if) {
94
				break;
95
			}
96
		}
97
	}
98
 
99
	if (GET_SWZ(inst_if->U.I.SrcReg[0].Swizzle, 0) == RC_SWIZZLE_X) {
100
		alu_chan = RC_ALURESULT_X;
101
	} else {
102
		alu_chan = RC_ALURESULT_W;
103
	}
104
	if (generic_if) {
105
		struct rc_instruction * inst_mov =
106
				rc_insert_new_instruction(c, inst_if->Prev);
107
 
108
		inst_mov->U.I.Opcode = RC_OPCODE_MOV;
109
		inst_mov->U.I.DstReg.WriteMask = 0;
110
		inst_mov->U.I.DstReg.File = RC_FILE_NONE;
111
		inst_mov->U.I.ALUResultCompare = RC_COMPARE_FUNC_NOTEQUAL;
112
		inst_mov->U.I.WriteALUResult = alu_chan;
113
		inst_mov->U.I.SrcReg[0] = inst_if->U.I.SrcReg[0];
114
		if (alu_chan == RC_ALURESULT_X) {
115
			inst_mov->U.I.SrcReg[0].Swizzle = combine_swizzles4(
116
					inst_mov->U.I.SrcReg[0].Swizzle,
117
					RC_SWIZZLE_X, RC_SWIZZLE_UNUSED,
118
					RC_SWIZZLE_UNUSED, RC_SWIZZLE_UNUSED);
119
		} else {
120
			inst_mov->U.I.SrcReg[0].Swizzle = combine_swizzles4(
121
					inst_mov->U.I.SrcReg[0].Swizzle,
122
					RC_SWIZZLE_UNUSED, RC_SWIZZLE_UNUSED,
123
					RC_SWIZZLE_UNUSED, RC_SWIZZLE_Z);
124
		}
125
	} else {
126
		rc_compare_func compare_func = RC_COMPARE_FUNC_NEVER;
127
		unsigned int reverse_srcs = 0;
128
		unsigned int preserve_opcode = 0;
129
		for (list_ptr = writer_list; list_ptr;
130
						list_ptr = list_ptr->Next) {
131
			writer = list_ptr->Item;
132
			switch(writer->Inst->U.I.Opcode) {
133
			case RC_OPCODE_SEQ:
134
				compare_func = RC_COMPARE_FUNC_EQUAL;
135
				break;
136
			case RC_OPCODE_SNE:
137
				compare_func = RC_COMPARE_FUNC_NOTEQUAL;
138
				break;
139
			case RC_OPCODE_SLE:
140
				reverse_srcs = 1;
141
				/* Fall through */
142
			case RC_OPCODE_SGE:
143
				compare_func = RC_COMPARE_FUNC_GEQUAL;
144
				break;
145
			case RC_OPCODE_SGT:
146
				reverse_srcs = 1;
147
				/* Fall through */
148
			case RC_OPCODE_SLT:
149
				compare_func = RC_COMPARE_FUNC_LESS;
150
				break;
151
			default:
152
				compare_func = RC_COMPARE_FUNC_NOTEQUAL;
153
				preserve_opcode = 1;
154
				break;
155
			}
156
			if (!preserve_opcode) {
157
				writer->Inst->U.I.Opcode = RC_OPCODE_SUB;
158
			}
159
			writer->Inst->U.I.DstReg.WriteMask = 0;
160
			writer->Inst->U.I.DstReg.File = RC_FILE_NONE;
161
			writer->Inst->U.I.WriteALUResult = alu_chan;
162
			writer->Inst->U.I.ALUResultCompare = compare_func;
163
			if (reverse_srcs) {
164
				struct rc_src_register temp_src;
165
				temp_src = writer->Inst->U.I.SrcReg[0];
166
				writer->Inst->U.I.SrcReg[0] =
167
					writer->Inst->U.I.SrcReg[1];
168
				writer->Inst->U.I.SrcReg[1] = temp_src;
169
			}
170
		}
171
	}
172
 
173
	inst_if->U.I.SrcReg[0].File = RC_FILE_SPECIAL;
174
	inst_if->U.I.SrcReg[0].Index = RC_SPECIAL_ALU_RESULT;
175
	inst_if->U.I.SrcReg[0].Swizzle = RC_MAKE_SWIZZLE(
176
				RC_SWIZZLE_X, RC_SWIZZLE_UNUSED,
177
				RC_SWIZZLE_UNUSED, RC_SWIZZLE_UNUSED);
178
	inst_if->U.I.SrcReg[0].Negate = 0;
179
 
180
	return 1;
181
}
182
 
183
static int r500_swizzle_is_native(rc_opcode opcode, struct rc_src_register reg)
184
{
185
	unsigned int relevant;
186
	int i;
187
 
188
	if (opcode == RC_OPCODE_TEX ||
189
	    opcode == RC_OPCODE_TXB ||
190
	    opcode == RC_OPCODE_TXP ||
191
	    opcode == RC_OPCODE_TXD ||
192
	    opcode == RC_OPCODE_TXL ||
193
	    opcode == RC_OPCODE_KIL) {
194
		if (reg.Abs)
195
			return 0;
196
 
197
		if (opcode == RC_OPCODE_KIL && (reg.Swizzle != RC_SWIZZLE_XYZW || reg.Negate != RC_MASK_NONE))
198
			return 0;
199
 
200
		for(i = 0; i < 4; ++i) {
201
			unsigned int swz = GET_SWZ(reg.Swizzle, i);
202
			if (swz == RC_SWIZZLE_UNUSED) {
203
				reg.Negate &= ~(1 << i);
204
				continue;
205
			}
206
			if (swz >= 4)
207
				return 0;
208
		}
209
 
210
		if (reg.Negate)
211
			return 0;
212
 
213
		return 1;
214
	} else if (opcode == RC_OPCODE_DDX || opcode == RC_OPCODE_DDY) {
215
		/* DDX/MDH and DDY/MDV explicitly ignore incoming swizzles;
216
		 * if it doesn't fit perfectly into a .xyzw case... */
217
		if (reg.Swizzle == RC_SWIZZLE_XYZW && !reg.Abs && !reg.Negate)
218
			return 1;
219
 
220
		return 0;
221
	} else if (reg.File == RC_FILE_INLINE) {
222
		return 1;
223
	} else {
224
		/* ALU instructions support almost everything */
225
		relevant = 0;
226
		for(i = 0; i < 3; ++i) {
227
			unsigned int swz = GET_SWZ(reg.Swizzle, i);
228
			if (swz != RC_SWIZZLE_UNUSED && swz != RC_SWIZZLE_ZERO)
229
				relevant |= 1 << i;
230
		}
231
		if ((reg.Negate & relevant) && ((reg.Negate & relevant) != relevant))
232
			return 0;
233
 
234
		return 1;
235
	}
236
}
237
 
238
/**
239
 * Split source register access.
240
 *
241
 * The only thing we *cannot* do in an ALU instruction is per-component
242
 * negation.
243
 */
244
static void r500_swizzle_split(struct rc_src_register src, unsigned int usemask,
245
		struct rc_swizzle_split * split)
246
{
247
	unsigned int negatebase[2] = { 0, 0 };
248
	int i;
249
 
250
	for(i = 0; i < 4; ++i) {
251
		unsigned int swz = GET_SWZ(src.Swizzle, i);
252
		if (swz == RC_SWIZZLE_UNUSED || !GET_BIT(usemask, i))
253
			continue;
254
		negatebase[GET_BIT(src.Negate, i)] |= 1 << i;
255
	}
256
 
257
	split->NumPhases = 0;
258
 
259
	for(i = 0; i <= 1; ++i) {
260
		if (!negatebase[i])
261
			continue;
262
 
263
		split->Phase[split->NumPhases++] = negatebase[i];
264
	}
265
}
266
 
267
struct rc_swizzle_caps r500_swizzle_caps = {
268
	.IsNative = r500_swizzle_is_native,
269
	.Split = r500_swizzle_split
270
};
271
 
272
static char *toswiz(int swiz_val) {
273
  switch(swiz_val) {
274
  case 0: return "R";
275
  case 1: return "G";
276
  case 2: return "B";
277
  case 3: return "A";
278
  case 4: return "0";
279
  case 5: return "H";
280
  case 6: return "1";
281
  case 7: return "U";
282
  }
283
  return NULL;
284
}
285
 
286
static char *toop(int op_val)
287
{
288
  char *str = NULL;
289
  switch (op_val) {
290
  case 0: str = "MAD"; break;
291
  case 1: str = "DP3"; break;
292
  case 2: str = "DP4"; break;
293
  case 3: str = "D2A"; break;
294
  case 4: str = "MIN"; break;
295
  case 5: str = "MAX"; break;
296
  case 6: str = "Reserved"; break;
297
  case 7: str = "CND"; break;
298
  case 8: str = "CMP"; break;
299
  case 9: str = "FRC"; break;
300
  case 10: str = "SOP"; break;
301
  case 11: str = "MDH"; break;
302
  case 12: str = "MDV"; break;
303
  }
304
  return str;
305
}
306
 
307
static char *to_alpha_op(int op_val)
308
{
309
  char *str = NULL;
310
  switch (op_val) {
311
  case 0: str = "MAD"; break;
312
  case 1: str = "DP"; break;
313
  case 2: str = "MIN"; break;
314
  case 3: str = "MAX"; break;
315
  case 4: str = "Reserved"; break;
316
  case 5: str = "CND"; break;
317
  case 6: str = "CMP"; break;
318
  case 7: str = "FRC"; break;
319
  case 8: str = "EX2"; break;
320
  case 9: str = "LN2"; break;
321
  case 10: str = "RCP"; break;
322
  case 11: str = "RSQ"; break;
323
  case 12: str = "SIN"; break;
324
  case 13: str = "COS"; break;
325
  case 14: str = "MDH"; break;
326
  case 15: str = "MDV"; break;
327
  }
328
  return str;
329
}
330
 
331
static char *to_mask(int val)
332
{
333
  char *str = NULL;
334
  switch(val) {
335
  case 0: str = "NONE"; break;
336
  case 1: str = "R"; break;
337
  case 2: str = "G"; break;
338
  case 3: str = "RG"; break;
339
  case 4: str = "B"; break;
340
  case 5: str = "RB"; break;
341
  case 6: str = "GB"; break;
342
  case 7: str = "RGB"; break;
343
  case 8: str = "A"; break;
344
  case 9: str = "AR"; break;
345
  case 10: str = "AG"; break;
346
  case 11: str = "ARG"; break;
347
  case 12: str = "AB"; break;
348
  case 13: str = "ARB"; break;
349
  case 14: str = "AGB"; break;
350
  case 15: str = "ARGB"; break;
351
  }
352
  return str;
353
}
354
 
355
static char *to_texop(int val)
356
{
357
  switch(val) {
358
  case 0: return "NOP";
359
  case 1: return "LD";
360
  case 2: return "TEXKILL";
361
  case 3: return "PROJ";
362
  case 4: return "LODBIAS";
363
  case 5: return "LOD";
364
  case 6: return "DXDY";
365
  }
366
  return NULL;
367
}
368
 
369
void r500FragmentProgramDump(struct radeon_compiler *c, void *user)
370
{
371
  struct r300_fragment_program_compiler *compiler = (struct r300_fragment_program_compiler*)c;
372
  struct r500_fragment_program_code *code = &compiler->code->code.r500;
373
  int n, i;
374
  uint32_t inst;
375
  uint32_t inst0;
376
  char *str = NULL;
377
  fprintf(stderr, "R500 Fragment Program:\n--------\n");
378
 
379
  for (n = 0; n < code->inst_end+1; n++) {
380
    inst0 = inst = code->inst[n].inst0;
381
    fprintf(stderr,"%d\t0:CMN_INST   0x%08x:", n, inst);
382
    switch(inst & 0x3) {
383
    case R500_INST_TYPE_ALU: str = "ALU"; break;
384
    case R500_INST_TYPE_OUT: str = "OUT"; break;
385
    case R500_INST_TYPE_FC: str = "FC"; break;
386
    case R500_INST_TYPE_TEX: str = "TEX"; break;
387
    };
388
    fprintf(stderr,"%s %s %s %s %s ", str,
389
	    inst & R500_INST_TEX_SEM_WAIT ? "TEX_WAIT" : "",
390
	    inst & R500_INST_LAST ? "LAST" : "",
391
	    inst & R500_INST_NOP ? "NOP" : "",
392
	    inst & R500_INST_ALU_WAIT ? "ALU WAIT" : "");
393
    fprintf(stderr,"wmask: %s omask: %s\n", to_mask((inst >> 11) & 0xf),
394
	    to_mask((inst >> 15) & 0xf));
395
 
396
    switch(inst0 & 0x3) {
397
    case R500_INST_TYPE_ALU:
398
    case R500_INST_TYPE_OUT:
399
      fprintf(stderr,"\t1:RGB_ADDR   0x%08x:", code->inst[n].inst1);
400
      inst = code->inst[n].inst1;
401
 
402
      fprintf(stderr,"Addr0: %d%c, Addr1: %d%c, Addr2: %d%c, srcp:%d\n",
403
	      inst & 0xff, (inst & (1<<8)) ? 'c' : 't',
404
	      (inst >> 10) & 0xff, (inst & (1<<18)) ? 'c' : 't',
405
	      (inst >> 20) & 0xff, (inst & (1<<28)) ? 'c' : 't',
406
	      (inst >> 30));
407
 
408
      fprintf(stderr,"\t2:ALPHA_ADDR 0x%08x:", code->inst[n].inst2);
409
      inst = code->inst[n].inst2;
410
      fprintf(stderr,"Addr0: %d%c, Addr1: %d%c, Addr2: %d%c, srcp:%d\n",
411
	      inst & 0xff, (inst & (1<<8)) ? 'c' : 't',
412
	      (inst >> 10) & 0xff, (inst & (1<<18)) ? 'c' : 't',
413
	      (inst >> 20) & 0xff, (inst & (1<<28)) ? 'c' : 't',
414
	      (inst >> 30));
415
      fprintf(stderr,"\t3 RGB_INST:  0x%08x:", code->inst[n].inst3);
416
      inst = code->inst[n].inst3;
417
      fprintf(stderr,"rgb_A_src:%d %s/%s/%s %d rgb_B_src:%d %s/%s/%s %d targ: %d\n",
418
	      (inst) & 0x3, toswiz((inst >> 2) & 0x7), toswiz((inst >> 5) & 0x7), toswiz((inst >> 8) & 0x7),
419
	      (inst >> 11) & 0x3,
420
	      (inst >> 13) & 0x3, toswiz((inst >> 15) & 0x7), toswiz((inst >> 18) & 0x7), toswiz((inst >> 21) & 0x7),
421
	      (inst >> 24) & 0x3, (inst >> 29) & 0x3);
422
 
423
 
424
      fprintf(stderr,"\t4 ALPHA_INST:0x%08x:", code->inst[n].inst4);
425
      inst = code->inst[n].inst4;
426
      fprintf(stderr,"%s dest:%d%s alp_A_src:%d %s %d alp_B_src:%d %s %d targ %d w:%d\n", to_alpha_op(inst & 0xf),
427
	      (inst >> 4) & 0x7f, inst & (1<<11) ? "(rel)":"",
428
	      (inst >> 12) & 0x3, toswiz((inst >> 14) & 0x7), (inst >> 17) & 0x3,
429
	      (inst >> 19) & 0x3, toswiz((inst >> 21) & 0x7), (inst >> 24) & 0x3,
430
	      (inst >> 29) & 0x3,
431
	      (inst >> 31) & 0x1);
432
 
433
      fprintf(stderr,"\t5 RGBA_INST: 0x%08x:", code->inst[n].inst5);
434
      inst = code->inst[n].inst5;
435
      fprintf(stderr,"%s dest:%d%s rgb_C_src:%d %s/%s/%s %d alp_C_src:%d %s %d\n", toop(inst & 0xf),
436
	      (inst >> 4) & 0x7f, inst & (1<<11) ? "(rel)":"",
437
	      (inst >> 12) & 0x3, toswiz((inst >> 14) & 0x7), toswiz((inst >> 17) & 0x7), toswiz((inst >> 20) & 0x7),
438
	      (inst >> 23) & 0x3,
439
	      (inst >> 25) & 0x3, toswiz((inst >> 27) & 0x7), (inst >> 30) & 0x3);
440
      break;
441
    case R500_INST_TYPE_FC:
442
      fprintf(stderr, "\t2:FC_INST    0x%08x:", code->inst[n].inst2);
443
      inst = code->inst[n].inst2;
444
      /* JUMP_FUNC JUMP_ANY*/
445
      fprintf(stderr, "0x%02x %1x ", inst >> 8 & 0xff,
446
          (inst & R500_FC_JUMP_ANY) >> 5);
447
 
448
      /* OP */
449
      switch(inst & 0x7){
450
      case R500_FC_OP_JUMP:
451
      	fprintf(stderr, "JUMP");
452
        break;
453
      case R500_FC_OP_LOOP:
454
        fprintf(stderr, "LOOP");
455
        break;
456
      case R500_FC_OP_ENDLOOP:
457
        fprintf(stderr, "ENDLOOP");
458
        break;
459
      case R500_FC_OP_REP:
460
        fprintf(stderr, "REP");
461
        break;
462
      case R500_FC_OP_ENDREP:
463
        fprintf(stderr, "ENDREP");
464
        break;
465
      case R500_FC_OP_BREAKLOOP:
466
        fprintf(stderr, "BREAKLOOP");
467
        break;
468
      case R500_FC_OP_BREAKREP:
469
        fprintf(stderr, "BREAKREP");
470
	break;
471
      case R500_FC_OP_CONTINUE:
472
        fprintf(stderr, "CONTINUE");
473
        break;
474
      }
475
      fprintf(stderr," ");
476
      /* A_OP */
477
      switch(inst & (0x3 << 6)){
478
      case R500_FC_A_OP_NONE:
479
        fprintf(stderr, "NONE");
480
        break;
481
      case R500_FC_A_OP_POP:
482
	fprintf(stderr, "POP");
483
        break;
484
      case R500_FC_A_OP_PUSH:
485
        fprintf(stderr, "PUSH");
486
        break;
487
      }
488
      /* B_OP0 B_OP1 */
489
      for(i=0; i<2; i++){
490
        fprintf(stderr, " ");
491
        switch(inst & (0x3 << (24 + (i * 2)))){
492
        /* R500_FC_B_OP0_NONE
493
	 * R500_FC_B_OP1_NONE */
494
	case 0:
495
          fprintf(stderr, "NONE");
496
          break;
497
        case R500_FC_B_OP0_DECR:
498
        case R500_FC_B_OP1_DECR:
499
          fprintf(stderr, "DECR");
500
          break;
501
        case R500_FC_B_OP0_INCR:
502
        case R500_FC_B_OP1_INCR:
503
          fprintf(stderr, "INCR");
504
          break;
505
        }
506
      }
507
      /*POP_CNT B_ELSE */
508
      fprintf(stderr, " %d %1x", (inst >> 16) & 0x1f, (inst & R500_FC_B_ELSE) >> 4);
509
      inst = code->inst[n].inst3;
510
      /* JUMP_ADDR */
511
      fprintf(stderr, " %d", inst >> 16);
512
 
513
      if(code->inst[n].inst2 & R500_FC_IGNORE_UNCOVERED){
514
        fprintf(stderr, " IGN_UNC");
515
      }
516
      inst = code->inst[n].inst3;
517
      fprintf(stderr, "\n\t3:FC_ADDR    0x%08x:", inst);
518
      fprintf(stderr, "BOOL: 0x%02x, INT: 0x%02x, JUMP_ADDR: %d, JMP_GLBL: %1x\n",
519
      inst & 0x1f, (inst >> 8) & 0x1f, (inst >> 16) & 0x1ff, inst >> 31);
520
      break;
521
    case R500_INST_TYPE_TEX:
522
      inst = code->inst[n].inst1;
523
      fprintf(stderr,"\t1:TEX_INST:  0x%08x: id: %d op:%s, %s, %s %s\n", inst, (inst >> 16) & 0xf,
524
	      to_texop((inst >> 22) & 0x7), (inst & (1<<25)) ? "ACQ" : "",
525
	      (inst & (1<<26)) ? "IGNUNC" : "", (inst & (1<<27)) ? "UNSCALED" : "SCALED");
526
      inst = code->inst[n].inst2;
527
      fprintf(stderr,"\t2:TEX_ADDR:  0x%08x: src: %d%s %s/%s/%s/%s dst: %d%s %s/%s/%s/%s\n", inst,
528
	      inst & 127, inst & (1<<7) ? "(rel)" : "",
529
	      toswiz((inst >> 8) & 0x3), toswiz((inst >> 10) & 0x3),
530
	      toswiz((inst >> 12) & 0x3), toswiz((inst >> 14) & 0x3),
531
	      (inst >> 16) & 127, inst & (1<<23) ? "(rel)" : "",
532
	      toswiz((inst >> 24) & 0x3), toswiz((inst >> 26) & 0x3),
533
	      toswiz((inst >> 28) & 0x3), toswiz((inst >> 30) & 0x3));
534
 
535
      fprintf(stderr,"\t3:TEX_DXDY:  0x%08x\n", code->inst[n].inst3);
536
      break;
537
    }
538
    fprintf(stderr,"\n");
539
  }
540
 
541
}