src/freedreno/ir3/ir3_parser.y

   1 /*
   2  * Copyright (c) 2013 Rob Clark <robclark@freedesktop.org>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  */
  23
  24 %code requires {
  25
  26 #define MAX_BUFS 4
  27
  28 struct ir3_kernel_info {
  29         uint32_t local_size[3];
  30         uint32_t num_bufs;
  31         uint32_t buf_sizes[MAX_BUFS]; /* size in dwords */
  32
  33         /* driver-param uniforms: */
  34         unsigned numwg;
  35 };
  36
  37 struct ir3 * ir3_parse(struct ir3_shader_variant *v,
  38                 struct ir3_kernel_info *k, FILE *f);
  39 }
  40
  41 %{
  42 #define YYDEBUG 0
  43
  44 #include <stdlib.h>
  45 #include <stdio.h>
  46 #include <string.h>
  47 #include <math.h>
  48
  49 #include "util/u_math.h"
  50
  51 #include "ir3/ir3.h"
  52 #include "ir3/ir3_shader.h"
  53 #include "ir3/instr-a3xx.h"
  54
  55 #include "ir3_parser.h"
  56
  57 /* ir3 treats the abs/neg flags as separate flags for float vs integer,
  58  * but in the instruction encoding they are the same thing.  Tracking
  59  * them separately is only for the benefit of ir3 opt passes, and not
  60  * required here, so just use the float versions:
  61  */
  62 #define IR3_REG_ABS     IR3_REG_FABS
  63 #define IR3_REG_NEGATE  IR3_REG_FNEG
  64
  65 static struct ir3_kernel_info    *info;
  66 static struct ir3_shader_variant *variant;
  67 /* NOTE the assembler doesn't really use the ir3_block construction
  68  * like the compiler does.  Everything is treated as one large block.
  69  * Which might happen to contain flow control.  But since we don't
  70  * use any of the ir3 backend passes (sched, RA, etc) this doesn't
  71  * really matter.
  72  */
  73 static struct ir3_block          *block;   /* current shader block */
  74 static struct ir3_instruction    *instr;   /* current instruction */
  75
  76 static struct {
  77         unsigned flags;
  78         unsigned repeat;
  79         unsigned nop;
  80 } iflags;
  81
  82 static struct {
  83         unsigned flags;
  84         unsigned wrmask;
  85 } rflags;
  86
  87 int ir3_yyget_lineno(void);
  88
  89 static struct ir3_instruction * new_instr(opc_t opc)
  90 {
  91         instr = ir3_instr_create(block, opc);
  92         instr->flags = iflags.flags;
  93         instr->repeat = iflags.repeat;
  94         instr->nop = iflags.nop;
  95         instr->line = ir3_yyget_lineno();
  96         iflags.flags = iflags.repeat = iflags.nop = 0;
  97         return instr;
  98 }
  99
 100 static void new_shader(void)
 101 {
 102         variant->ir = ir3_create(variant->shader->compiler, variant->shader->type);
 103         block = ir3_block_create(variant->ir);
 104         list_addtail(&block->node, &variant->ir->block_list);
 105 }
 106
 107 static type_t parse_type(const char **type)
 108 {
 109         if (!strncmp("f16", *type, 3)) {
 110                 *type += 3;
 111                 return TYPE_F16;
 112         } else if (!strncmp("f32", *type, 3)) {
 113                 *type += 3;
 114                 return TYPE_F32;
 115         } else if (!strncmp("u16", *type, 3)) {
 116                 *type += 3;
 117                 return TYPE_U16;
 118         } else if (!strncmp("u32", *type, 3)) {
 119                 *type += 3;
 120                 return TYPE_U32;
 121         } else if (!strncmp("s16", *type, 3)) {
 122                 *type += 3;
 123                 return TYPE_S16;
 124         } else if (!strncmp("s32", *type, 3)) {
 125                 *type += 3;
 126                 return TYPE_S32;
 127         } else if (!strncmp("u8", *type, 2)) {
 128                 *type += 2;
 129                 return TYPE_U8;
 130         } else if (!strncmp("s8", *type, 2)) {
 131                 *type += 2;
 132                 return TYPE_S8;
 133         } else {
 134                 assert(0);  /* shouldn't get here */
 135                 return ~0;
 136         }
 137 }
 138
 139 static struct ir3_instruction * parse_type_type(struct ir3_instruction *instr,
 140                 const char *type_type)
 141 {
 142         instr->cat1.src_type = parse_type(&type_type);
 143         instr->cat1.dst_type = parse_type(&type_type);
 144         return instr;
 145 }
 146
 147 static struct ir3_register * new_reg(int num, unsigned flags)
 148 {
 149         struct ir3_register *reg;
 150         flags |= rflags.flags;
 151         if (num & 0x1)
 152                 flags |= IR3_REG_HALF;
 153         reg = ir3_reg_create(instr, num>>1, flags);
 154         reg->wrmask = MAX2(1, rflags.wrmask);
 155         rflags.flags = rflags.wrmask = 0;
 156         return reg;
 157 }
 158
 159 static struct ir3_register * dummy_dst(void)
 160 {
 161         return new_reg(0, 0);
 162 }
 163
 164 static void add_const(unsigned reg, unsigned c0, unsigned c1, unsigned c2, unsigned c3)
 165 {
 166         struct ir3_const_state *const_state = &variant->shader->const_state;
 167         assert((reg & 0x7) == 0);
 168         int idx = reg >> (1 + 2); /* low bit is half vs full, next two bits are swiz */
 169         if (const_state->immediate_idx == const_state->immediates_size * 4) {
 170                 const_state->immediates_size += 4;
 171                 const_state->immediates = realloc (const_state->immediates,
 172                         const_state->immediates_size * sizeof(const_state->immediates[0]));
 173         }
 174         const_state->immediates[idx].val[0] = c0;
 175         const_state->immediates[idx].val[1] = c1;
 176         const_state->immediates[idx].val[2] = c2;
 177         const_state->immediates[idx].val[3] = c3;
 178         const_state->immediates_count = idx + 1;
 179         const_state->immediate_idx++;
 180 }
 181
 182 static void add_sysval(unsigned reg, unsigned compmask, gl_system_value sysval)
 183 {
 184         unsigned n = variant->inputs_count++;
 185         variant->inputs[n].regid = reg;
 186         variant->inputs[n].sysval = true;
 187         variant->inputs[n].slot = sysval;
 188         variant->inputs[n].compmask = compmask;
 189         variant->inputs[n].interpolate = INTERP_MODE_FLAT;
 190         variant->total_in++;
 191 }
 192
 193 #ifdef YYDEBUG
 194 int yydebug;
 195 #endif
 196
 197 extern int yylex(void);
 198 extern FILE *ir3_yyin;
 199 void ir3_yyset_lineno(int _line_number);
 200
 201 int yyparse(void);
 202
 203 static void yyerror(const char *error)
 204 {
 205         fprintf(stderr, "error at line %d: %s\n", ir3_yyget_lineno(), error);
 206 }
 207
 208 struct ir3 * ir3_parse(struct ir3_shader_variant *v,
 209                 struct ir3_kernel_info *k, FILE *f)
 210 {
 211         ir3_yyset_lineno(1);
 212         ir3_yyin = f;
 213 #ifdef YYDEBUG
 214         yydebug = 1;
 215 #endif
 216         info = k;
 217         variant = v;
 218         if (yyparse()) {
 219                 ir3_destroy(variant->ir);
 220                 variant->ir = NULL;
 221         }
 222         return variant->ir;
 223 }
 224 %}
 225
 226 %union {
 227         int tok;
 228         int num;
 229         uint32_t unum;
 230         double flt;
 231         const char *str;
 232         struct ir3_register *reg;
 233         struct {
 234                 int start;
 235                 int num;
 236         } range;
 237         type_t type;
 238 }
 239
 240 %{
 241 #if YYDEBUG
 242 static void print_token(FILE *file, int type, YYSTYPE value)
 243 {
 244         fprintf(file, "\ntype: %d\n", type);
 245 }
 246
 247 #define YYPRINT(file, type, value) print_token(file, type, value)
 248 #endif
 249 %}
 250
 251 %token <num> T_INT
 252 %token <unum> T_HEX
 253 %token <flt> T_FLOAT
 254 %token <str> T_IDENTIFIER
 255 %token <num> T_REGISTER
 256 %token <num> T_CONSTANT
 257
 258 /* @ headers (@const/@sampler/@uniform/@varying) */
 259 %token <tok> T_A_LOCALSIZE
 260 %token <tok> T_A_CONST
 261 %token <tok> T_A_BUF
 262 %token <tok> T_A_INVOCATIONID
 263 %token <tok> T_A_WGID
 264 %token <tok> T_A_NUMWG
 265 %token <tok> T_A_IN
 266 %token <tok> T_A_OUT
 267 %token <tok> T_A_TEX
 268 /* todo, re-add @sampler/@uniform/@varying if needed someday */
 269
 270 /* src register flags */
 271 %token <tok> T_ABSNEG
 272 %token <tok> T_NEG
 273 %token <tok> T_ABS
 274 %token <tok> T_R
 275
 276 /* dst register flags */
 277 %token <tok> T_EVEN
 278 %token <tok> T_POS_INFINITY
 279 %token <tok> T_EI
 280 %token <num> T_WRMASK
 281
 282 /* instruction flags */
 283 %token <tok> T_SY
 284 %token <tok> T_SS
 285 %token <tok> T_JP
 286 %token <num> T_RPT
 287 %token <tok> T_UL
 288 %token <tok> T_NOP
 289
 290 /* category 0: */
 291 %token <tok> T_OP_NOP
 292 %token <tok> T_OP_BR
 293 %token <tok> T_OP_JUMP
 294 %token <tok> T_OP_CALL
 295 %token <tok> T_OP_RET
 296 %token <tok> T_OP_KILL
 297 %token <tok> T_OP_END
 298 %token <tok> T_OP_EMIT
 299 %token <tok> T_OP_CUT
 300 %token <tok> T_OP_CHMASK
 301 %token <tok> T_OP_CHSH
 302 %token <tok> T_OP_FLOW_REV
 303
 304 /* category 1: */
 305 %token <tok> T_OP_MOVA
 306 %token <tok> T_OP_MOV
 307 %token <tok> T_OP_COV
 308
 309 /* category 2: */
 310 %token <tok> T_OP_ADD_F
 311 %token <tok> T_OP_MIN_F
 312 %token <tok> T_OP_MAX_F
 313 %token <tok> T_OP_MUL_F
 314 %token <tok> T_OP_SIGN_F
 315 %token <tok> T_OP_CMPS_F
 316 %token <tok> T_OP_ABSNEG_F
 317 %token <tok> T_OP_CMPV_F
 318 %token <tok> T_OP_FLOOR_F
 319 %token <tok> T_OP_CEIL_F
 320 %token <tok> T_OP_RNDNE_F
 321 %token <tok> T_OP_RNDAZ_F
 322 %token <tok> T_OP_TRUNC_F
 323 %token <tok> T_OP_ADD_U
 324 %token <tok> T_OP_ADD_S
 325 %token <tok> T_OP_SUB_U
 326 %token <tok> T_OP_SUB_S
 327 %token <tok> T_OP_CMPS_U
 328 %token <tok> T_OP_CMPS_S
 329 %token <tok> T_OP_MIN_U
 330 %token <tok> T_OP_MIN_S
 331 %token <tok> T_OP_MAX_U
 332 %token <tok> T_OP_MAX_S
 333 %token <tok> T_OP_ABSNEG_S
 334 %token <tok> T_OP_AND_B
 335 %token <tok> T_OP_OR_B
 336 %token <tok> T_OP_NOT_B
 337 %token <tok> T_OP_XOR_B
 338 %token <tok> T_OP_CMPV_U
 339 %token <tok> T_OP_CMPV_S
 340 %token <tok> T_OP_MUL_U24
 341 %token <tok> T_OP_MUL_S24
 342 %token <tok> T_OP_MULL_U
 343 %token <tok> T_OP_BFREV_B
 344 %token <tok> T_OP_CLZ_S
 345 %token <tok> T_OP_CLZ_B
 346 %token <tok> T_OP_SHL_B
 347 %token <tok> T_OP_SHR_B
 348 %token <tok> T_OP_ASHR_B
 349 %token <tok> T_OP_BARY_F
 350 %token <tok> T_OP_MGEN_B
 351 %token <tok> T_OP_GETBIT_B
 352 %token <tok> T_OP_SETRM
 353 %token <tok> T_OP_CBITS_B
 354 %token <tok> T_OP_SHB
 355 %token <tok> T_OP_MSAD
 356
 357 /* category 3: */
 358 %token <tok> T_OP_MAD_U16
 359 %token <tok> T_OP_MADSH_U16
 360 %token <tok> T_OP_MAD_S16
 361 %token <tok> T_OP_MADSH_M16
 362 %token <tok> T_OP_MAD_U24
 363 %token <tok> T_OP_MAD_S24
 364 %token <tok> T_OP_MAD_F16
 365 %token <tok> T_OP_MAD_F32
 366 %token <tok> T_OP_SEL_B16
 367 %token <tok> T_OP_SEL_B32
 368 %token <tok> T_OP_SEL_S16
 369 %token <tok> T_OP_SEL_S32
 370 %token <tok> T_OP_SEL_F16
 371 %token <tok> T_OP_SEL_F32
 372 %token <tok> T_OP_SAD_S16
 373 %token <tok> T_OP_SAD_S32
 374
 375 /* category 4: */
 376 %token <tok> T_OP_RCP
 377 %token <tok> T_OP_RSQ
 378 %token <tok> T_OP_LOG2
 379 %token <tok> T_OP_EXP2
 380 %token <tok> T_OP_SIN
 381 %token <tok> T_OP_COS
 382 %token <tok> T_OP_SQRT
 383 %token <tok> T_OP_HRSQ
 384 %token <tok> T_OP_HLOG2
 385 %token <tok> T_OP_HEXP2
 386
 387 /* category 5: */
 388 %token <tok> T_OP_ISAM
 389 %token <tok> T_OP_ISAML
 390 %token <tok> T_OP_ISAMM
 391 %token <tok> T_OP_SAM
 392 %token <tok> T_OP_SAMB
 393 %token <tok> T_OP_SAML
 394 %token <tok> T_OP_SAMGQ
 395 %token <tok> T_OP_GETLOD
 396 %token <tok> T_OP_CONV
 397 %token <tok> T_OP_CONVM
 398 %token <tok> T_OP_GETSIZE
 399 %token <tok> T_OP_GETBUF
 400 %token <tok> T_OP_GETPOS
 401 %token <tok> T_OP_GETINFO
 402 %token <tok> T_OP_DSX
 403 %token <tok> T_OP_DSY
 404 %token <tok> T_OP_GATHER4R
 405 %token <tok> T_OP_GATHER4G
 406 %token <tok> T_OP_GATHER4B
 407 %token <tok> T_OP_GATHER4A
 408 %token <tok> T_OP_SAMGP0
 409 %token <tok> T_OP_SAMGP1
 410 %token <tok> T_OP_SAMGP2
 411 %token <tok> T_OP_SAMGP3
 412 %token <tok> T_OP_DSXPP_1
 413 %token <tok> T_OP_DSYPP_1
 414 %token <tok> T_OP_RGETPOS
 415 %token <tok> T_OP_RGETINFO
 416
 417 /* category 6: */
 418 %token <tok> T_OP_LDG
 419 %token <tok> T_OP_LDL
 420 %token <tok> T_OP_LDP
 421 %token <tok> T_OP_STG
 422 %token <tok> T_OP_STL
 423 %token <tok> T_OP_STP
 424 %token <tok> T_OP_LDIB
 425 %token <tok> T_OP_G2L
 426 %token <tok> T_OP_L2G
 427 %token <tok> T_OP_PREFETCH
 428 %token <tok> T_OP_LDLW
 429 %token <tok> T_OP_STLW
 430 %token <tok> T_OP_RESFMT
 431 %token <tok> T_OP_RESINF
 432 %token <tok> T_OP_ATOMIC_ADD
 433 %token <tok> T_OP_ATOMIC_SUB
 434 %token <tok> T_OP_ATOMIC_XCHG
 435 %token <tok> T_OP_ATOMIC_INC
 436 %token <tok> T_OP_ATOMIC_DEC
 437 %token <tok> T_OP_ATOMIC_CMPXCHG
 438 %token <tok> T_OP_ATOMIC_MIN
 439 %token <tok> T_OP_ATOMIC_MAX
 440 %token <tok> T_OP_ATOMIC_AND
 441 %token <tok> T_OP_ATOMIC_OR
 442 %token <tok> T_OP_ATOMIC_XOR
 443 %token <tok> T_OP_LDGB
 444 %token <tok> T_OP_STGB
 445 %token <tok> T_OP_STIB
 446 %token <tok> T_OP_LDC
 447 %token <tok> T_OP_LDLV
 448
 449 /* type qualifiers: */
 450 %token <tok> T_TYPE_F16
 451 %token <tok> T_TYPE_F32
 452 %token <tok> T_TYPE_U16
 453 %token <tok> T_TYPE_U32
 454 %token <tok> T_TYPE_S16
 455 %token <tok> T_TYPE_S32
 456 %token <tok> T_TYPE_U8
 457 %token <tok> T_TYPE_S8
 458
 459 %token <tok> T_UNTYPED
 460 %token <tok> T_TYPED
 461
 462 %token <tok> T_1D
 463 %token <tok> T_2D
 464 %token <tok> T_3D
 465 %token <tok> T_4D
 466
 467 /* condition qualifiers: */
 468 %token <tok> T_LT
 469 %token <tok> T_LE
 470 %token <tok> T_GT
 471 %token <tok> T_GE
 472 %token <tok> T_EQ
 473 %token <tok> T_NE
 474
 475 %token <tok> T_S2EN
 476 %token <tok> T_SAMP
 477 %token <tok> T_TEX
 478 %token <tok> T_BASE
 479
 480 %token <tok> T_NAN
 481 %token <tok> T_INF
 482 %token <num> T_A0
 483 %token <num> T_P0
 484 %token <str> T_CAT1_TYPE_TYPE
 485
 486 %type <num> integer offset
 487 %type <flt> float
 488 %type <reg> reg const
 489 %type <tok> cat1_opc
 490 %type <tok> cat2_opc_1src cat2_opc_2src_cnd cat2_opc_2src
 491 %type <tok> cat3_opc
 492 %type <tok> cat4_opc
 493 %type <tok> cat5_opc cat5_samp cat5_tex cat5_type
 494 %type <type> type
 495 %type <unum> const_val
 496
 497 %error-verbose
 498
 499 %start shader
 500
 501 %%
 502
 503 shader:            { new_shader(); } headers instrs
 504
 505 headers:
 506 |                  header headers
 507
 508 header:            localsize_header
 509 |                  const_header
 510 |                  buf_header
 511 |                  invocationid_header
 512 |                  wgid_header
 513 |                  numwg_header
 514 |                  in_header
 515 |                  out_header
 516 |                  tex_header
 517
 518 const_val:         T_FLOAT   { $$ = fui($1); }
 519 |                  T_INT     { $$ = $1;      }
 520 |                  '-' T_INT { $$ = -$2;     }
 521 |                  T_HEX     { $$ = $1;      }
 522
 523 localsize_header:  T_A_LOCALSIZE const_val ',' const_val ',' const_val {
 524                        info->local_size[0] = $2;
 525                        info->local_size[1] = $4;
 526                        info->local_size[2] = $6;
 527 }
 528
 529 const_header:      T_A_CONST '(' T_CONSTANT ')' const_val ',' const_val ',' const_val ',' const_val {
 530                        add_const($3, $5, $7, $9, $11);
 531 }
 532
 533 buf_header:        T_A_BUF const_val {
 534                        int idx = info->num_bufs++;
 535                        assert(idx < MAX_BUFS);
 536                        info->buf_sizes[idx] = $2;
 537 }
 538
 539 invocationid_header: T_A_INVOCATIONID '(' T_REGISTER ')' {
 540                        assert(($3 & 0x1) == 0);  /* half-reg not allowed */
 541                        unsigned reg = $3 >> 1;
 542                        add_sysval(reg, 0x7, SYSTEM_VALUE_LOCAL_INVOCATION_ID);
 543 }
 544
 545 wgid_header:       T_A_WGID '(' T_REGISTER ')' {
 546                        assert(($3 & 0x1) == 0);  /* half-reg not allowed */
 547                        unsigned reg = $3 >> 1;
 548                        assert(reg >= regid(48, 0)); /* must be a high reg */
 549                        add_sysval(reg, 0x7, SYSTEM_VALUE_WORK_GROUP_ID);
 550 }
 551
 552 numwg_header:      T_A_NUMWG '(' T_CONSTANT ')' {
 553                        assert(($3 & 0x1) == 0);  /* half-reg not allowed */
 554                        unsigned reg = $3 >> 1;
 555                        info->numwg = reg;
 556                        /* reserve space in immediates for the actual value to be plugged in later: */
 557                        add_const($3, 0, 0, 0, 0);
 558 }
 559
 560 /* Stubs for now */
 561 in_header:         T_A_IN '(' T_REGISTER ')' T_IDENTIFIER '(' T_IDENTIFIER '=' integer ')' { }
 562
 563 out_header:        T_A_OUT '(' T_REGISTER ')' T_IDENTIFIER '(' T_IDENTIFIER '=' integer ')' { }
 564
 565 tex_header:        T_A_TEX '(' T_REGISTER ')'
 566                        T_IDENTIFIER '=' integer ',' /* src */
 567                        T_IDENTIFIER '=' integer ',' /* samp */
 568                        T_IDENTIFIER '=' integer ',' /* tex */
 569                        T_IDENTIFIER '=' integer ',' /* wrmask */
 570                        T_IDENTIFIER '=' integer     /* cmd */ { }
 571
 572 iflag:             T_SY   { iflags.flags |= IR3_INSTR_SY; }
 573 |                  T_SS   { iflags.flags |= IR3_INSTR_SS; }
 574 |                  T_JP   { iflags.flags |= IR3_INSTR_JP; }
 575 |                  T_RPT  { iflags.repeat = $1; }
 576 |                  T_UL   { iflags.flags |= IR3_INSTR_UL; }
 577 |                  T_NOP  { iflags.nop = $1; }
 578
 579 iflags:
 580 |                  iflag iflags
 581
 582 instrs:            instr instrs
 583 |                  instr
 584
 585 instr:             iflags cat0_instr
 586 |                  iflags cat1_instr
 587 |                  iflags cat2_instr
 588 |                  iflags cat3_instr
 589 |                  iflags cat4_instr
 590 |                  iflags cat5_instr
 591 |                  iflags cat6_instr
 592
 593 cat0_src:          '!' T_P0        { instr->cat0.inv = true; instr->cat0.comp = $2 >> 1; }
 594 |                  T_P0            { instr->cat0.comp = $1 >> 1; }
 595
 596 cat0_immed:        '#' integer     { instr->cat0.immed = $2; }
 597
 598 cat0_instr:        T_OP_NOP        { new_instr(OPC_NOP); }
 599 |                  T_OP_BR         { new_instr(OPC_B); }    cat0_src ',' cat0_immed
 600 |                  T_OP_JUMP       { new_instr(OPC_JUMP); }  cat0_immed
 601 |                  T_OP_CALL       { new_instr(OPC_CALL); }  cat0_immed
 602 |                  T_OP_RET        { new_instr(OPC_RET); }
 603 |                  T_OP_KILL       { new_instr(OPC_KILL); }  cat0_src
 604 |                  T_OP_END        { new_instr(OPC_END); }
 605 |                  T_OP_EMIT       { new_instr(OPC_EMIT); }
 606 |                  T_OP_CUT        { new_instr(OPC_CUT); }
 607 |                  T_OP_CHMASK     { new_instr(OPC_CHMASK); }
 608 |                  T_OP_CHSH       { new_instr(OPC_CHSH); }
 609 |                  T_OP_FLOW_REV   { new_instr(OPC_FLOW_REV); }
 610
 611 cat1_opc:          T_OP_MOVA {
 612                        new_instr(OPC_MOV);
 613                        instr->cat1.src_type = TYPE_S16;
 614                        instr->cat1.dst_type = TYPE_S16;
 615 }
 616 |                  T_OP_MOV '.' T_CAT1_TYPE_TYPE {
 617                        parse_type_type(new_instr(OPC_MOV), $3);
 618 }
 619 |                  T_OP_COV '.' T_CAT1_TYPE_TYPE {
 620                        parse_type_type(new_instr(OPC_MOV), $3);
 621 }
 622
 623 cat1_instr:        cat1_opc dst_reg ',' src_reg_or_const_or_rel_or_imm
 624
 625 cat2_opc_1src:     T_OP_ABSNEG_F  { new_instr(OPC_ABSNEG_F); }
 626 |                  T_OP_ABSNEG_S  { new_instr(OPC_ABSNEG_S); }
 627 |                  T_OP_CLZ_B     { new_instr(OPC_CLZ_B); }
 628 |                  T_OP_CLZ_S     { new_instr(OPC_CLZ_S); }
 629 |                  T_OP_SIGN_F    { new_instr(OPC_SIGN_F); }
 630 |                  T_OP_FLOOR_F   { new_instr(OPC_FLOOR_F); }
 631 |                  T_OP_CEIL_F    { new_instr(OPC_CEIL_F); }
 632 |                  T_OP_RNDNE_F   { new_instr(OPC_RNDNE_F); }
 633 |                  T_OP_RNDAZ_F   { new_instr(OPC_RNDAZ_F); }
 634 |                  T_OP_TRUNC_F   { new_instr(OPC_TRUNC_F); }
 635 |                  T_OP_NOT_B     { new_instr(OPC_NOT_B); }
 636 |                  T_OP_BFREV_B   { new_instr(OPC_BFREV_B); }
 637 |                  T_OP_SETRM     { new_instr(OPC_SETRM); }
 638 |                  T_OP_CBITS_B   { new_instr(OPC_CBITS_B); }
 639
 640 cat2_opc_2src_cnd: T_OP_CMPS_F    { new_instr(OPC_CMPS_F); }
 641 |                  T_OP_CMPS_U    { new_instr(OPC_CMPS_U); }
 642 |                  T_OP_CMPS_S    { new_instr(OPC_CMPS_S); }
 643 |                  T_OP_CMPV_F    { new_instr(OPC_CMPV_F); }
 644 |                  T_OP_CMPV_U    { new_instr(OPC_CMPV_U); }
 645 |                  T_OP_CMPV_S    { new_instr(OPC_CMPV_S); }
 646
 647 cat2_opc_2src:     T_OP_ADD_F     { new_instr(OPC_ADD_F); }
 648 |                  T_OP_MIN_F     { new_instr(OPC_MIN_F); }
 649 |                  T_OP_MAX_F     { new_instr(OPC_MAX_F); }
 650 |                  T_OP_MUL_F     { new_instr(OPC_MUL_F); }
 651 |                  T_OP_ADD_U     { new_instr(OPC_ADD_U); }
 652 |                  T_OP_ADD_S     { new_instr(OPC_ADD_S); }
 653 |                  T_OP_SUB_U     { new_instr(OPC_SUB_U); }
 654 |                  T_OP_SUB_S     { new_instr(OPC_SUB_S); }
 655 |                  T_OP_MIN_U     { new_instr(OPC_MIN_U); }
 656 |                  T_OP_MIN_S     { new_instr(OPC_MIN_S); }
 657 |                  T_OP_MAX_U     { new_instr(OPC_MAX_U); }
 658 |                  T_OP_MAX_S     { new_instr(OPC_MAX_S); }
 659 |                  T_OP_AND_B     { new_instr(OPC_AND_B); }
 660 |                  T_OP_OR_B      { new_instr(OPC_OR_B); }
 661 |                  T_OP_XOR_B     { new_instr(OPC_XOR_B); }
 662 |                  T_OP_MUL_U24   { new_instr(OPC_MUL_U24); }
 663 |                  T_OP_MUL_S24   { new_instr(OPC_MUL_S24); }
 664 |                  T_OP_MULL_U    { new_instr(OPC_MULL_U); }
 665 |                  T_OP_SHL_B     { new_instr(OPC_SHL_B); }
 666 |                  T_OP_SHR_B     { new_instr(OPC_SHR_B); }
 667 |                  T_OP_ASHR_B    { new_instr(OPC_ASHR_B); }
 668 |                  T_OP_BARY_F    { new_instr(OPC_BARY_F); }
 669 |                  T_OP_MGEN_B    { new_instr(OPC_MGEN_B); }
 670 |                  T_OP_GETBIT_B  { new_instr(OPC_GETBIT_B); }
 671 |                  T_OP_SHB       { new_instr(OPC_SHB); }
 672 |                  T_OP_MSAD      { new_instr(OPC_MSAD); }
 673
 674 cond:              T_LT           { instr->cat2.condition = IR3_COND_LT; }
 675 |                  T_LE           { instr->cat2.condition = IR3_COND_LE; }
 676 |                  T_GT           { instr->cat2.condition = IR3_COND_GT; }
 677 |                  T_GE           { instr->cat2.condition = IR3_COND_GE; }
 678 |                  T_EQ           { instr->cat2.condition = IR3_COND_EQ; }
 679 |                  T_NE           { instr->cat2.condition = IR3_COND_NE; }
 680
 681 cat2_instr:        cat2_opc_1src dst_reg ',' src_reg_or_const_or_rel_or_imm
 682 |                  cat2_opc_2src_cnd '.' cond dst_reg ',' src_reg_or_const_or_rel_or_imm ',' src_reg_or_const_or_rel_or_imm
 683 |                  cat2_opc_2src dst_reg ',' src_reg_or_const_or_rel_or_imm ',' src_reg_or_const_or_rel_or_imm
 684
 685 cat3_opc:          T_OP_MAD_U16   { new_instr(OPC_MAD_U16); }
 686 |                  T_OP_MADSH_U16 { new_instr(OPC_MADSH_U16); }
 687 |                  T_OP_MAD_S16   { new_instr(OPC_MAD_S16); }
 688 |                  T_OP_MADSH_M16 { new_instr(OPC_MADSH_M16); }
 689 |                  T_OP_MAD_U24   { new_instr(OPC_MAD_U24); }
 690 |                  T_OP_MAD_S24   { new_instr(OPC_MAD_S24); }
 691 |                  T_OP_MAD_F16   { new_instr(OPC_MAD_F16); }
 692 |                  T_OP_MAD_F32   { new_instr(OPC_MAD_F32); }
 693 |                  T_OP_SEL_B16   { new_instr(OPC_SEL_B16); }
 694 |                  T_OP_SEL_B32   { new_instr(OPC_SEL_B32); }
 695 |                  T_OP_SEL_S16   { new_instr(OPC_SEL_S16); }
 696 |                  T_OP_SEL_S32   { new_instr(OPC_SEL_S32); }
 697 |                  T_OP_SEL_F16   { new_instr(OPC_SEL_F16); }
 698 |                  T_OP_SEL_F32   { new_instr(OPC_SEL_F32); }
 699 |                  T_OP_SAD_S16   { new_instr(OPC_SAD_S16); }
 700 |                  T_OP_SAD_S32   { new_instr(OPC_SAD_S32); }
 701
 702 cat3_instr:        cat3_opc dst_reg ',' src_reg_or_const_or_rel ',' src_reg_or_const ',' src_reg_or_const_or_rel
 703
 704 cat4_opc:          T_OP_RCP       { new_instr(OPC_RCP); }
 705 |                  T_OP_RSQ       { new_instr(OPC_RSQ); }
 706 |                  T_OP_LOG2      { new_instr(OPC_LOG2); }
 707 |                  T_OP_EXP2      { new_instr(OPC_EXP2); }
 708 |                  T_OP_SIN       { new_instr(OPC_SIN); }
 709 |                  T_OP_COS       { new_instr(OPC_COS); }
 710 |                  T_OP_SQRT      { new_instr(OPC_SQRT); }
 711 |                  T_OP_HRSQ      { new_instr(OPC_HRSQ); }
 712 |                  T_OP_HLOG2     { new_instr(OPC_HLOG2); }
 713 |                  T_OP_HEXP2     { new_instr(OPC_HEXP2); }
 714
 715 cat4_instr:        cat4_opc dst_reg ',' src_reg_or_const_or_rel_or_imm
 716
 717 cat5_opc_dsxypp:   T_OP_DSXPP_1   { new_instr(OPC_DSXPP_1); }
 718 |                  T_OP_DSYPP_1   { new_instr(OPC_DSYPP_1); }
 719
 720 cat5_opc:          T_OP_ISAM      { new_instr(OPC_ISAM); }
 721 |                  T_OP_ISAML     { new_instr(OPC_ISAML); }
 722 |                  T_OP_ISAMM     { new_instr(OPC_ISAMM); }
 723 |                  T_OP_SAM       { new_instr(OPC_SAM); }
 724 |                  T_OP_SAMB      { new_instr(OPC_SAMB); }
 725 |                  T_OP_SAML      { new_instr(OPC_SAML); }
 726 |                  T_OP_SAMGQ     { new_instr(OPC_SAMGQ); }
 727 |                  T_OP_GETLOD    { new_instr(OPC_GETLOD); }
 728 |                  T_OP_CONV      { new_instr(OPC_CONV); }
 729 |                  T_OP_CONVM     { new_instr(OPC_CONVM); }
 730 |                  T_OP_GETSIZE   { new_instr(OPC_GETSIZE); }
 731 |                  T_OP_GETBUF    { new_instr(OPC_GETBUF); }
 732 |                  T_OP_GETPOS    { new_instr(OPC_GETPOS); }
 733 |                  T_OP_GETINFO   { new_instr(OPC_GETINFO); }
 734 |                  T_OP_DSX       { new_instr(OPC_DSX); }
 735 |                  T_OP_DSY       { new_instr(OPC_DSY); }
 736 |                  T_OP_GATHER4R  { new_instr(OPC_GATHER4R); }
 737 |                  T_OP_GATHER4G  { new_instr(OPC_GATHER4G); }
 738 |                  T_OP_GATHER4B  { new_instr(OPC_GATHER4B); }
 739 |                  T_OP_GATHER4A  { new_instr(OPC_GATHER4A); }
 740 |                  T_OP_SAMGP0    { new_instr(OPC_SAMGP0); }
 741 |                  T_OP_SAMGP1    { new_instr(OPC_SAMGP1); }
 742 |                  T_OP_SAMGP2    { new_instr(OPC_SAMGP2); }
 743 |                  T_OP_SAMGP3    { new_instr(OPC_SAMGP3); }
 744 |                  T_OP_RGETPOS   { new_instr(OPC_RGETPOS); }
 745 |                  T_OP_RGETINFO  { new_instr(OPC_RGETINFO); }
 746
 747 cat5_flag:         '.' T_3D       { instr->flags |= IR3_INSTR_3D; }
 748 |                  '.' 'a'        { instr->flags |= IR3_INSTR_A; }
 749 |                  '.' 'o'        { instr->flags |= IR3_INSTR_O; }
 750 |                  '.' 'p'        { instr->flags |= IR3_INSTR_P; }
 751 |                  '.' 's'        { instr->flags |= IR3_INSTR_S; }
 752 |                  '.' T_S2EN     { instr->flags |= IR3_INSTR_S2EN; }
 753 |                  '.' T_BASE     { instr->flags |= IR3_INSTR_B; instr->cat5.tex_base = $2; }
 754 cat5_flags:
 755 |                  cat5_flag cat5_flags
 756
 757 cat5_samp:         T_SAMP         { instr->cat5.samp = $1; }
 758 cat5_tex:          T_TEX          { if (instr->flags & IR3_INSTR_B) instr->cat5.samp |= ($1 << 4); else instr->cat5.tex = $1; }
 759 cat5_type:         '(' type ')'   { instr->cat5.type = $2; }
 760
 761 cat5_instr:        cat5_opc_dsxypp cat5_flags dst_reg ',' src_reg
 762 |                  cat5_opc cat5_flags cat5_type dst_reg ',' src_reg ',' src_reg ',' cat5_samp ',' cat5_tex
 763 |                  cat5_opc cat5_flags cat5_type dst_reg ',' src_reg ',' src_reg ',' cat5_samp
 764 |                  cat5_opc cat5_flags cat5_type dst_reg ',' src_reg ',' src_reg ',' cat5_tex
 765 |                  cat5_opc cat5_flags cat5_type dst_reg ',' src_reg ',' src_reg
 766 |                  cat5_opc cat5_flags cat5_type dst_reg ',' src_reg ',' cat5_samp ',' cat5_tex
 767 |                  cat5_opc cat5_flags cat5_type dst_reg ',' src_reg ',' cat5_samp
 768 |                  cat5_opc cat5_flags cat5_type dst_reg ',' src_reg ',' cat5_tex
 769 |                  cat5_opc cat5_flags cat5_type dst_reg ',' src_reg
 770 |                  cat5_opc cat5_flags cat5_type dst_reg ',' cat5_samp ',' cat5_tex
 771 |                  cat5_opc cat5_flags cat5_type dst_reg ',' cat5_samp
 772 |                  cat5_opc cat5_flags cat5_type dst_reg ',' cat5_tex
 773 |                  cat5_opc cat5_flags cat5_type dst_reg
 774
 775 cat6_typed:        '.' T_UNTYPED  { instr->cat6.typed = 0; }
 776 |                  '.' T_TYPED    { instr->cat6.typed = 1; }
 777
 778 cat6_dim:          '.' T_1D  { instr->cat6.d = 1; }
 779 |                  '.' T_2D  { instr->cat6.d = 2; }
 780 |                  '.' T_3D  { instr->cat6.d = 3; }
 781 |                  '.' T_4D  { instr->cat6.d = 4; }
 782
 783 cat6_type:         '.' type  { instr->cat6.type = $2; }
 784 cat6_offset:       offset    { instr->cat6.src_offset = $1; }
 785 cat6_immed:        integer   { instr->cat6.iim_val = $1; }
 786
 787 cat6_load:         T_OP_LDG  { new_instr(OPC_LDG); }  cat6_type dst_reg ',' 'g' '[' reg cat6_offset ']' ',' cat6_immed
 788 |                  T_OP_LDP  { new_instr(OPC_LDP); }  cat6_type dst_reg ',' 'p' '[' reg cat6_offset ']' ',' cat6_immed
 789 |                  T_OP_LDL  { new_instr(OPC_LDL); }  cat6_type dst_reg ',' 'l' '[' reg cat6_offset ']' ',' cat6_immed
 790 |                  T_OP_LDLW { new_instr(OPC_LDLW); } cat6_type dst_reg ',' 'l' '[' reg cat6_offset ']' ',' cat6_immed
 791 |                  T_OP_LDLV { new_instr(OPC_LDLV); } cat6_type dst_reg ',' 'l' '[' reg cat6_offset ']' ',' cat6_immed
 792
 793 // TODO some of the cat6 instructions have different syntax for a6xx..
 794 //|                  T_OP_LDIB { new_instr(OPC_LDIB); } cat6_type dst_reg cat6_offset ',' reg ',' cat6_immed
 795
 796 cat6_store:        T_OP_STG  { new_instr(OPC_STG); }  cat6_type 'g' '[' dst_reg cat6_offset ']' ',' reg ',' cat6_immed
 797 |                  T_OP_STP  { new_instr(OPC_STP); }  cat6_type 'p' '[' dst_reg cat6_offset ']' ',' reg ',' cat6_immed
 798 |                  T_OP_STL  { new_instr(OPC_STL); }  cat6_type 'l' '[' dst_reg cat6_offset ']' ',' reg ',' cat6_immed
 799 |                  T_OP_STLW { new_instr(OPC_STLW); } cat6_type 'l' '[' dst_reg cat6_offset ']' ',' reg ',' cat6_immed
 800
 801 cat6_storeib:      T_OP_STIB { new_instr(OPC_STIB); dummy_dst(); } cat6_typed cat6_dim cat6_type '.' cat6_immed'g' '[' immediate ']' '+' reg ',' reg
 802
 803 cat6_prefetch:     T_OP_PREFETCH { new_instr(OPC_PREFETCH); new_reg(0,0); /* dummy dst */ } 'g' '[' reg cat6_offset ']' ',' cat6_immed
 804
 805 cat6_atomic_l_g:   '.' 'g'  { instr->flags |= IR3_INSTR_G; }
 806 |                  '.' 'l'  {  }
 807
 808 cat6_atomic:       T_OP_ATOMIC_ADD     { new_instr(OPC_ATOMIC_ADD); }    cat6_atomic_l_g cat6_type dst_reg ',' 'l' '[' reg cat6_offset ']' ',' cat6_immed
 809 |                  T_OP_ATOMIC_SUB     { new_instr(OPC_ATOMIC_SUB); }    cat6_atomic_l_g cat6_type dst_reg ',' 'l' '[' reg cat6_offset ']' ',' cat6_immed
 810 |                  T_OP_ATOMIC_XCHG    { new_instr(OPC_ATOMIC_XCHG); }   cat6_atomic_l_g cat6_type dst_reg ',' 'l' '[' reg cat6_offset ']' ',' cat6_immed
 811 |                  T_OP_ATOMIC_INC     { new_instr(OPC_ATOMIC_INC); }    cat6_atomic_l_g cat6_type dst_reg ',' 'l' '[' reg cat6_offset ']' ',' cat6_immed
 812 |                  T_OP_ATOMIC_DEC     { new_instr(OPC_ATOMIC_DEC); }    cat6_atomic_l_g cat6_type dst_reg ',' 'l' '[' reg cat6_offset ']' ',' cat6_immed
 813 |                  T_OP_ATOMIC_CMPXCHG { new_instr(OPC_ATOMIC_CMPXCHG); }cat6_atomic_l_g cat6_type dst_reg ',' 'l' '[' reg cat6_offset ']' ',' cat6_immed
 814 |                  T_OP_ATOMIC_MIN     { new_instr(OPC_ATOMIC_MIN); }    cat6_atomic_l_g cat6_type dst_reg ',' 'l' '[' reg cat6_offset ']' ',' cat6_immed
 815 |                  T_OP_ATOMIC_MAX     { new_instr(OPC_ATOMIC_MAX); }    cat6_atomic_l_g cat6_type dst_reg ',' 'l' '[' reg cat6_offset ']' ',' cat6_immed
 816 |                  T_OP_ATOMIC_AND     { new_instr(OPC_ATOMIC_AND); }    cat6_atomic_l_g cat6_type dst_reg ',' 'l' '[' reg cat6_offset ']' ',' cat6_immed
 817 |                  T_OP_ATOMIC_OR      { new_instr(OPC_ATOMIC_OR); }     cat6_atomic_l_g cat6_type dst_reg ',' 'l' '[' reg cat6_offset ']' ',' cat6_immed
 818 |                  T_OP_ATOMIC_XOR     { new_instr(OPC_ATOMIC_XOR); }    cat6_atomic_l_g cat6_type dst_reg ',' 'l' '[' reg cat6_offset ']' ',' cat6_immed
 819
 820 cat6_todo:         T_OP_G2L                 { new_instr(OPC_G2L); }
 821 |                  T_OP_L2G                 { new_instr(OPC_L2G); }
 822 |                  T_OP_RESFMT              { new_instr(OPC_RESFMT); }
 823 |                  T_OP_RESINF              { new_instr(OPC_RESINFO); }
 824 |                  T_OP_LDGB                { new_instr(OPC_LDGB); }
 825 |                  T_OP_STGB                { new_instr(OPC_STGB); }
 826 |                  T_OP_LDC                 { new_instr(OPC_LDC); }
 827
 828 cat6_instr:        cat6_load
 829 |                  cat6_store
 830 |                  cat6_storeib
 831 |                  cat6_prefetch
 832 |                  cat6_atomic
 833 |                  cat6_todo
 834
 835 reg:               T_REGISTER     { $$ = new_reg($1, 0); }
 836 |                  T_A0           { $$ = new_reg((61 << 3) + $1, IR3_REG_HALF); }
 837 |                  T_P0           { $$ = new_reg((62 << 3) + $1, 0); }
 838
 839 const:             T_CONSTANT     { $$ = new_reg($1, IR3_REG_CONST); }
 840
 841 dst_reg_flag:      T_EVEN         { rflags.flags |= IR3_REG_EVEN; }
 842 |                  T_POS_INFINITY { rflags.flags |= IR3_REG_POS_INF; }
 843 |                  T_EI           { rflags.flags |= IR3_REG_EI; }
 844 |                  T_WRMASK       { rflags.wrmask = $1; }
 845
 846 dst_reg_flags:     dst_reg_flag
 847 |                  dst_reg_flag dst_reg_flags
 848
 849                    /* note: destination registers are always incremented in repeat */
 850 dst_reg:           reg                 { $1->flags |= IR3_REG_R; }
 851 |                  dst_reg_flags reg   { $2->flags |= IR3_REG_R; }
 852
 853 src_reg_flag:      T_ABSNEG       { rflags.flags |= IR3_REG_ABS|IR3_REG_NEGATE; }
 854 |                  T_NEG          { rflags.flags |= IR3_REG_NEGATE; }
 855 |                  T_ABS          { rflags.flags |= IR3_REG_ABS; }
 856 |                  T_R            { rflags.flags |= IR3_REG_R; }
 857
 858 src_reg_flags:     src_reg_flag
 859 |                  src_reg_flag src_reg_flags
 860
 861 src_reg:           reg
 862 |                  src_reg_flags reg
 863
 864 src_const:         const
 865 |                  src_reg_flags const
 866
 867 src_reg_or_const:  src_reg
 868 |                  src_const
 869
 870 src_reg_or_const_or_rel: src_reg_or_const
 871 |                  relative
 872
 873 src_reg_or_const_or_rel_or_imm: src_reg_or_const_or_rel
 874 |                  src_reg_flags immediate
 875 |                  immediate
 876
 877 offset:            { $$ = 0; }
 878 |                  '+' integer { $$ = $2; }
 879 |                  '-' integer { $$ = -$2; }
 880
 881 relative:          'r' '<' T_A0 offset '>'  { new_reg(0, IR3_REG_RELATIV)->array.offset = $4; }
 882 |                  'c' '<' T_A0 offset '>'  { new_reg(0, IR3_REG_RELATIV | IR3_REG_CONST)->array.offset = $4; }
 883
 884 immediate:         integer             { new_reg(0, IR3_REG_IMMED)->iim_val = $1; }
 885 |                  '(' integer ')'     { new_reg(0, IR3_REG_IMMED)->fim_val = $2; }
 886 |                  '(' float ')'       { new_reg(0, IR3_REG_IMMED)->fim_val = $2; }
 887 |                  '(' T_NAN ')'       { new_reg(0, IR3_REG_IMMED)->fim_val = NAN; }
 888 |                  '(' T_INF ')'       { new_reg(0, IR3_REG_IMMED)->fim_val = INFINITY; }
 889
 890 integer:           T_INT       { $$ = $1; }
 891 |                  '-' T_INT   { $$ = -$2; }
 892 |                  T_HEX       { $$ = $1; }
 893 |                  '-' T_HEX   { $$ = -$2; }
 894
 895 float:             T_FLOAT     { $$ = $1; }
 896 |                  '-' T_FLOAT { $$ = -$2; }
 897
 898 type:              T_TYPE_F16  { $$ = TYPE_F16; }
 899 |                  T_TYPE_F32  { $$ = TYPE_F32; }
 900 |                  T_TYPE_U16  { $$ = TYPE_U16; }
 901 |                  T_TYPE_U32  { $$ = TYPE_U32; }
 902 |                  T_TYPE_S16  { $$ = TYPE_S16; }
 903 |                  T_TYPE_S32  { $$ = TYPE_S32; }
 904 |                  T_TYPE_U8   { $$ = TYPE_U8;  }
 905 |                  T_TYPE_S8   { $$ = TYPE_S8;  }