src/gallium/drivers/r600/r600_asm.c

   1 /*
   2  * Copyright 2010 Jerome Glisse <glisse@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  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23 #include "r600_asm.h"
  24 #include "r600_context.h"
  25 #include "util/u_memory.h"
  26 #include "r600_sq.h"
  27 #include <stdio.h>
  28 #include <errno.h>
  29
  30 int r700_bc_alu_build(struct r600_bc *bc, struct r600_bc_alu *alu, unsigned id);
  31
  32 static struct r600_bc_cf *r600_bc_cf(void)
  33 {
  34         struct r600_bc_cf *cf = CALLOC_STRUCT(r600_bc_cf);
  35
  36         if (cf == NULL)
  37                 return NULL;
  38         LIST_INITHEAD(&cf->list);
  39         LIST_INITHEAD(&cf->alu);
  40         LIST_INITHEAD(&cf->vtx);
  41         LIST_INITHEAD(&cf->tex);
  42         return cf;
  43 }
  44
  45 static struct r600_bc_alu *r600_bc_alu(void)
  46 {
  47         struct r600_bc_alu *alu = CALLOC_STRUCT(r600_bc_alu);
  48
  49         if (alu == NULL)
  50                 return NULL;
  51         LIST_INITHEAD(&alu->list);
  52         return alu;
  53 }
  54
  55 static struct r600_bc_vtx *r600_bc_vtx(void)
  56 {
  57         struct r600_bc_vtx *vtx = CALLOC_STRUCT(r600_bc_vtx);
  58
  59         if (vtx == NULL)
  60                 return NULL;
  61         LIST_INITHEAD(&vtx->list);
  62         return vtx;
  63 }
  64
  65 static struct r600_bc_tex *r600_bc_tex(void)
  66 {
  67         struct r600_bc_tex *tex = CALLOC_STRUCT(r600_bc_tex);
  68
  69         if (tex == NULL)
  70                 return NULL;
  71         LIST_INITHEAD(&tex->list);
  72         return tex;
  73 }
  74
  75 int r600_bc_init(struct r600_bc *bc, enum radeon_family family)
  76 {
  77         LIST_INITHEAD(&bc->cf);
  78         bc->family = family;
  79         return 0;
  80 }
  81
  82 static int r600_bc_add_cf(struct r600_bc *bc)
  83 {
  84         struct r600_bc_cf *cf = r600_bc_cf();
  85
  86         if (cf == NULL)
  87                 return -ENOMEM;
  88         LIST_ADDTAIL(&cf->list, &bc->cf);
  89         if (bc->cf_last)
  90                 cf->id = bc->cf_last->id + 2;
  91         bc->cf_last = cf;
  92         bc->ncf++;
  93         bc->ndw += 2;
  94         bc->force_add_cf = 0;
  95         return 0;
  96 }
  97
  98 int r600_bc_add_output(struct r600_bc *bc, const struct r600_bc_output *output)
  99 {
 100         int r;
 101
 102         r = r600_bc_add_cf(bc);
 103         if (r)
 104                 return r;
 105         bc->cf_last->inst = output->inst;
 106         memcpy(&bc->cf_last->output, output, sizeof(struct r600_bc_output));
 107         return 0;
 108 }
 109
 110 int r600_bc_add_alu(struct r600_bc *bc, const struct r600_bc_alu *alu)
 111 {
 112         struct r600_bc_alu *nalu = r600_bc_alu();
 113         struct r600_bc_alu *lalu;
 114         int i, r;
 115
 116         if (nalu == NULL)
 117                 return -ENOMEM;
 118         memcpy(nalu, alu, sizeof(struct r600_bc_alu));
 119         nalu->nliteral = 0;
 120
 121         /* cf can contains only alu or only vtx or only tex */
 122         if (bc->cf_last == NULL || bc->cf_last->inst != (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3) ||
 123                 bc->force_add_cf) {
 124                 /* at most 128 slots, one add alu can add 4 slots + 4 constant worst case */
 125                 r = r600_bc_add_cf(bc);
 126                 if (r) {
 127                         free(nalu);
 128                         return r;
 129                 }
 130                 bc->cf_last->inst = V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3;
 131         }
 132         if (alu->last && (bc->cf_last->ndw >> 1) >= 124) {
 133                 bc->force_add_cf = 1;
 134         }
 135         /* number of gpr == the last gpr used in any alu */
 136         for (i = 0; i < 3; i++) {
 137                 if (alu->src[i].sel >= bc->ngpr && alu->src[i].sel < 128) {
 138                         bc->ngpr = alu->src[i].sel + 1;
 139                 }
 140                 /* compute how many literal are needed
 141                  * either 2 or 4 literals
 142                  */
 143                 if (alu->src[i].sel == 253) {
 144                         if (((alu->src[i].chan + 2) & 0x6) > nalu->nliteral) {
 145                                 nalu->nliteral = (alu->src[i].chan + 2) & 0x6;
 146                         }
 147                 }
 148         }
 149         if (!LIST_IS_EMPTY(&bc->cf_last->alu)) {
 150                 lalu = LIST_ENTRY(struct r600_bc_alu, bc->cf_last->alu.prev, list);
 151                 if (!lalu->last && lalu->nliteral > nalu->nliteral) {
 152                         nalu->nliteral = lalu->nliteral;
 153                 }
 154         }
 155         if (alu->dst.sel >= bc->ngpr) {
 156                 bc->ngpr = alu->dst.sel + 1;
 157         }
 158         LIST_ADDTAIL(&nalu->list, &bc->cf_last->alu);
 159         /* each alu use 2 dwords */
 160         bc->cf_last->ndw += 2;
 161         bc->ndw += 2;
 162         return 0;
 163 }
 164
 165 int r600_bc_add_literal(struct r600_bc *bc, const u32 *value)
 166 {
 167         struct r600_bc_alu *alu;
 168
 169         if (bc->cf_last == NULL) {
 170                 R600_ERR("no last CF\n");
 171                 return -EINVAL;
 172         }
 173         if (bc->cf_last->inst == V_SQ_CF_WORD1_SQ_CF_INST_TEX) {
 174                 return 0;
 175         }
 176         if (bc->cf_last->inst != (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3) ||
 177                 LIST_IS_EMPTY(&bc->cf_last->alu)) {
 178                 R600_ERR("last CF is not ALU (%p)\n", bc->cf_last);
 179                 return -EINVAL;
 180         }
 181         alu = LIST_ENTRY(struct r600_bc_alu, bc->cf_last->alu.prev, list);
 182         if (!alu->last || !alu->nliteral) {
 183                 return 0;
 184         }
 185         memcpy(alu->value, value, 4 * 4);
 186         bc->cf_last->ndw += alu->nliteral;
 187         bc->ndw += alu->nliteral;
 188         return 0;
 189 }
 190
 191 int r600_bc_add_vtx(struct r600_bc *bc, const struct r600_bc_vtx *vtx)
 192 {
 193         struct r600_bc_vtx *nvtx = r600_bc_vtx();
 194         int r;
 195
 196         if (nvtx == NULL)
 197                 return -ENOMEM;
 198         memcpy(nvtx, vtx, sizeof(struct r600_bc_vtx));
 199
 200         /* cf can contains only alu or only vtx or only tex */
 201         if (bc->cf_last == NULL ||
 202                 (bc->cf_last->inst != V_SQ_CF_WORD1_SQ_CF_INST_VTX &&
 203                  bc->cf_last->inst != V_SQ_CF_WORD1_SQ_CF_INST_VTX_TC)) {
 204                 r = r600_bc_add_cf(bc);
 205                 if (r) {
 206                         free(nvtx);
 207                         return r;
 208                 }
 209                 bc->cf_last->inst = V_SQ_CF_WORD1_SQ_CF_INST_VTX;
 210         }
 211         LIST_ADDTAIL(&nvtx->list, &bc->cf_last->vtx);
 212         /* each fetch use 4 dwords */
 213         bc->cf_last->ndw += 4;
 214         bc->ndw += 4;
 215         return 0;
 216 }
 217
 218 int r600_bc_add_tex(struct r600_bc *bc, const struct r600_bc_tex *tex)
 219 {
 220         struct r600_bc_tex *ntex = r600_bc_tex();
 221         int r;
 222
 223         if (ntex == NULL)
 224                 return -ENOMEM;
 225         memcpy(ntex, tex, sizeof(struct r600_bc_tex));
 226
 227         /* cf can contains only alu or only vtx or only tex */
 228         if (bc->cf_last == NULL ||
 229                 bc->cf_last->inst != V_SQ_CF_WORD1_SQ_CF_INST_TEX) {
 230                 r = r600_bc_add_cf(bc);
 231                 if (r) {
 232                         free(ntex);
 233                         return r;
 234                 }
 235                 bc->cf_last->inst = V_SQ_CF_WORD1_SQ_CF_INST_TEX;
 236         }
 237         LIST_ADDTAIL(&ntex->list, &bc->cf_last->tex);
 238         /* each texture fetch use 4 dwords */
 239         bc->cf_last->ndw += 4;
 240         bc->ndw += 4;
 241         return 0;
 242 }
 243
 244 static int r600_bc_vtx_build(struct r600_bc *bc, struct r600_bc_vtx *vtx, unsigned id)
 245 {
 246         bc->bytecode[id++] = S_SQ_VTX_WORD0_BUFFER_ID(vtx->buffer_id) |
 247                                 S_SQ_VTX_WORD0_SRC_GPR(vtx->src_gpr) |
 248                                 S_SQ_VTX_WORD0_SRC_SEL_X(vtx->src_sel_x) |
 249                                 S_SQ_VTX_WORD0_MEGA_FETCH_COUNT(vtx->mega_fetch_count);
 250         bc->bytecode[id++] = S_SQ_VTX_WORD1_DST_SEL_X(vtx->dst_sel_x) |
 251                                 S_SQ_VTX_WORD1_DST_SEL_Y(vtx->dst_sel_y) |
 252                                 S_SQ_VTX_WORD1_DST_SEL_Z(vtx->dst_sel_z) |
 253                                 S_SQ_VTX_WORD1_DST_SEL_W(vtx->dst_sel_w) |
 254                                 S_SQ_VTX_WORD1_USE_CONST_FIELDS(1) |
 255                                 S_SQ_VTX_WORD1_GPR_DST_GPR(vtx->dst_gpr);
 256         bc->bytecode[id++] = S_SQ_VTX_WORD2_MEGA_FETCH(1);
 257         bc->bytecode[id++] = 0;
 258         return 0;
 259 }
 260
 261 static int r600_bc_tex_build(struct r600_bc *bc, struct r600_bc_tex *tex, unsigned id)
 262 {
 263         bc->bytecode[id++] = S_SQ_TEX_WORD0_TEX_INST(tex->inst) |
 264                                 S_SQ_TEX_WORD0_RESOURCE_ID(tex->resource_id) |
 265                                 S_SQ_TEX_WORD0_SRC_GPR(tex->src_gpr) |
 266                                 S_SQ_TEX_WORD0_SRC_REL(tex->src_rel);
 267         bc->bytecode[id++] = S_SQ_TEX_WORD1_DST_GPR(tex->dst_gpr) |
 268                                 S_SQ_TEX_WORD1_DST_REL(tex->dst_rel) |
 269                                 S_SQ_TEX_WORD1_DST_SEL_X(tex->dst_sel_x) |
 270                                 S_SQ_TEX_WORD1_DST_SEL_Y(tex->dst_sel_y) |
 271                                 S_SQ_TEX_WORD1_DST_SEL_Z(tex->dst_sel_z) |
 272                                 S_SQ_TEX_WORD1_DST_SEL_W(tex->dst_sel_w) |
 273                                 S_SQ_TEX_WORD1_LOD_BIAS(tex->lod_bias) |
 274                                 S_SQ_TEX_WORD1_COORD_TYPE_X(tex->coord_type_x) |
 275                                 S_SQ_TEX_WORD1_COORD_TYPE_Y(tex->coord_type_y) |
 276                                 S_SQ_TEX_WORD1_COORD_TYPE_Z(tex->coord_type_z) |
 277                                 S_SQ_TEX_WORD1_COORD_TYPE_W(tex->coord_type_w);
 278         bc->bytecode[id++] = S_SQ_TEX_WORD2_OFFSET_X(tex->offset_x) |
 279                                 S_SQ_TEX_WORD2_OFFSET_Y(tex->offset_y) |
 280                                 S_SQ_TEX_WORD2_OFFSET_Z(tex->offset_z) |
 281                                 S_SQ_TEX_WORD2_SAMPLER_ID(tex->sampler_id) |
 282                                 S_SQ_TEX_WORD2_SRC_SEL_X(tex->src_sel_x) |
 283                                 S_SQ_TEX_WORD2_SRC_SEL_Y(tex->src_sel_y) |
 284                                 S_SQ_TEX_WORD2_SRC_SEL_Z(tex->src_sel_z) |
 285                                 S_SQ_TEX_WORD2_SRC_SEL_W(tex->src_sel_w);
 286         bc->bytecode[id++] = 0;
 287         return 0;
 288 }
 289
 290 int r600_bc_alu_build(struct r600_bc *bc, struct r600_bc_alu *alu, unsigned id)
 291 {
 292         unsigned i;
 293
 294         /* don't replace gpr by pv or ps for destination register */
 295         if (alu->is_op3) {
 296                 bc->bytecode[id++] = S_SQ_ALU_WORD0_SRC0_SEL(alu->src[0].sel) |
 297                                         S_SQ_ALU_WORD0_SRC0_CHAN(alu->src[0].chan) |
 298                                         S_SQ_ALU_WORD0_SRC1_SEL(alu->src[1].sel) |
 299                                         S_SQ_ALU_WORD0_SRC1_CHAN(alu->src[1].chan) |
 300                                         S_SQ_ALU_WORD0_LAST(alu->last);
 301                 bc->bytecode[id++] = S_SQ_ALU_WORD1_DST_GPR(alu->dst.sel) |
 302                                         S_SQ_ALU_WORD1_DST_CHAN(alu->dst.chan) |
 303                                         S_SQ_ALU_WORD1_CLAMP(alu->dst.clamp) |
 304                                         S_SQ_ALU_WORD1_OP3_SRC2_SEL(alu->src[2].sel) |
 305                                         S_SQ_ALU_WORD1_OP3_SRC2_CHAN(alu->src[2].chan) |
 306                                         S_SQ_ALU_WORD1_OP3_SRC2_NEG(alu->src[2].neg) |
 307                                         S_SQ_ALU_WORD1_OP3_ALU_INST(alu->inst) |
 308                                         S_SQ_ALU_WORD1_BANK_SWIZZLE(0);
 309         } else {
 310                 bc->bytecode[id++] = S_SQ_ALU_WORD0_SRC0_SEL(alu->src[0].sel) |
 311                                         S_SQ_ALU_WORD0_SRC0_CHAN(alu->src[0].chan) |
 312                                         S_SQ_ALU_WORD0_SRC0_NEG(alu->src[0].neg) |
 313                                         S_SQ_ALU_WORD0_SRC1_SEL(alu->src[1].sel) |
 314                                         S_SQ_ALU_WORD0_SRC1_CHAN(alu->src[1].chan) |
 315                                         S_SQ_ALU_WORD0_SRC1_NEG(alu->src[1].neg) |
 316                                         S_SQ_ALU_WORD0_LAST(alu->last);
 317                 bc->bytecode[id++] = S_SQ_ALU_WORD1_DST_GPR(alu->dst.sel) |
 318                                         S_SQ_ALU_WORD1_DST_CHAN(alu->dst.chan) |
 319                                         S_SQ_ALU_WORD1_CLAMP(alu->dst.clamp) |
 320                                         S_SQ_ALU_WORD1_OP2_SRC0_ABS(alu->src[0].abs) |
 321                                         S_SQ_ALU_WORD1_OP2_SRC1_ABS(alu->src[1].abs) |
 322                                         S_SQ_ALU_WORD1_OP2_WRITE_MASK(alu->dst.write) |
 323                                         S_SQ_ALU_WORD1_OP2_ALU_INST(alu->inst) |
 324                                         S_SQ_ALU_WORD1_BANK_SWIZZLE(0);
 325         }
 326         if (alu->last) {
 327                 for (i = 0; i < alu->nliteral; i++) {
 328                         bc->bytecode[id++] = alu->value[i];
 329                 }
 330         }
 331         return 0;
 332 }
 333
 334 int r600_bc_cf_build(struct r600_bc *bc, struct r600_bc_cf *cf)
 335 {
 336         unsigned id = cf->id;
 337
 338         switch (cf->inst) {
 339         case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3):
 340                 bc->bytecode[id++] = S_SQ_CF_ALU_WORD0_ADDR(cf->addr >> 1);
 341                 bc->bytecode[id++] = S_SQ_CF_ALU_WORD1_CF_INST(cf->inst >> 3) |
 342                                         S_SQ_CF_ALU_WORD1_BARRIER(1) |
 343                                         S_SQ_CF_ALU_WORD1_COUNT((cf->ndw / 2) - 1);
 344                 break;
 345         case V_SQ_CF_WORD1_SQ_CF_INST_TEX:
 346         case V_SQ_CF_WORD1_SQ_CF_INST_VTX:
 347         case V_SQ_CF_WORD1_SQ_CF_INST_VTX_TC:
 348                 bc->bytecode[id++] = S_SQ_CF_WORD0_ADDR(cf->addr >> 1);
 349                 bc->bytecode[id++] = S_SQ_CF_WORD1_CF_INST(cf->inst) |
 350                                         S_SQ_CF_WORD1_BARRIER(1) |
 351                                         S_SQ_CF_WORD1_COUNT((cf->ndw / 4) - 1);
 352                 break;
 353         case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT:
 354         case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE:
 355                 bc->bytecode[id++] = S_SQ_CF_ALLOC_EXPORT_WORD0_RW_GPR(cf->output.gpr) |
 356                         S_SQ_CF_ALLOC_EXPORT_WORD0_ELEM_SIZE(cf->output.elem_size) |
 357                         S_SQ_CF_ALLOC_EXPORT_WORD0_ARRAY_BASE(cf->output.array_base) |
 358                         S_SQ_CF_ALLOC_EXPORT_WORD0_TYPE(cf->output.type);
 359                 bc->bytecode[id++] = S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_X(cf->output.swizzle_x) |
 360                         S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_Y(cf->output.swizzle_y) |
 361                         S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_Z(cf->output.swizzle_z) |
 362                         S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_W(cf->output.swizzle_w) |
 363                         S_SQ_CF_ALLOC_EXPORT_WORD1_BARRIER(cf->output.barrier) |
 364                         S_SQ_CF_ALLOC_EXPORT_WORD1_CF_INST(cf->output.inst) |
 365                         S_SQ_CF_ALLOC_EXPORT_WORD1_END_OF_PROGRAM(cf->output.end_of_program);
 366                 break;
 367         default:
 368                 R600_ERR("unsupported CF instruction (0x%X)\n", cf->inst);
 369                 return -EINVAL;
 370         }
 371         return 0;
 372 }
 373
 374 int r600_bc_build(struct r600_bc *bc)
 375 {
 376         struct r600_bc_cf *cf;
 377         struct r600_bc_alu *alu;
 378         struct r600_bc_vtx *vtx;
 379         struct r600_bc_tex *tex;
 380         unsigned addr;
 381         int r;
 382
 383
 384         /* first path compute addr of each CF block */
 385         /* addr start after all the CF instructions */
 386         addr = bc->cf_last->id + 2;
 387         LIST_FOR_EACH_ENTRY(cf, &bc->cf, list) {
 388                 switch (cf->inst) {
 389                 case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3):
 390                         break;
 391                 case V_SQ_CF_WORD1_SQ_CF_INST_TEX:
 392                 case V_SQ_CF_WORD1_SQ_CF_INST_VTX:
 393                 case V_SQ_CF_WORD1_SQ_CF_INST_VTX_TC:
 394                         /* fetch node need to be 16 bytes aligned*/
 395                         addr += 3;
 396                         addr &= 0xFFFFFFFCUL;
 397                         break;
 398                 case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT:
 399                 case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE:
 400                         break;
 401                 default:
 402                         R600_ERR("unsupported CF instruction (0x%X)\n", cf->inst);
 403                         return -EINVAL;
 404                 }
 405                 cf->addr = addr;
 406                 addr += cf->ndw;
 407                 bc->ndw = cf->addr + cf->ndw;
 408         }
 409         free(bc->bytecode);
 410         bc->bytecode = calloc(1, bc->ndw * 4);
 411         if (bc->bytecode == NULL)
 412                 return -ENOMEM;
 413         LIST_FOR_EACH_ENTRY(cf, &bc->cf, list) {
 414                 addr = cf->addr;
 415                 r = r600_bc_cf_build(bc, cf);
 416                 if (r)
 417                         return r;
 418                 switch (cf->inst) {
 419                 case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3):
 420                         LIST_FOR_EACH_ENTRY(alu, &cf->alu, list) {
 421                                 switch (bc->family) {
 422                                 case CHIP_R600:
 423                                 case CHIP_RV610:
 424                                 case CHIP_RV630:
 425                                 case CHIP_RV670:
 426                                 case CHIP_RV620:
 427                                 case CHIP_RV635:
 428                                 case CHIP_RS780:
 429                                 case CHIP_RS880:
 430                                         r = r600_bc_alu_build(bc, alu, addr);
 431                                         break;
 432                                 case CHIP_RV770:
 433                                 case CHIP_RV730:
 434                                 case CHIP_RV710:
 435                                 case CHIP_RV740:
 436                                         r = r700_bc_alu_build(bc, alu, addr);
 437                                         break;
 438                                 default:
 439                                         R600_ERR("unknown family %d\n", bc->family);
 440                                         return -EINVAL;
 441                                 }
 442                                 if (r)
 443                                         return r;
 444                                 addr += 2;
 445                                 if (alu->last) {
 446                                         addr += alu->nliteral;
 447                                 }
 448                         }
 449                         break;
 450                 case V_SQ_CF_WORD1_SQ_CF_INST_VTX:
 451                 case V_SQ_CF_WORD1_SQ_CF_INST_VTX_TC:
 452                         LIST_FOR_EACH_ENTRY(vtx, &cf->vtx, list) {
 453                                 r = r600_bc_vtx_build(bc, vtx, addr);
 454                                 if (r)
 455                                         return r;
 456                                 addr += 4;
 457                         }
 458                         break;
 459                 case V_SQ_CF_WORD1_SQ_CF_INST_TEX:
 460                         LIST_FOR_EACH_ENTRY(tex, &cf->tex, list) {
 461                                 r = r600_bc_tex_build(bc, tex, addr);
 462                                 if (r)
 463                                         return r;
 464                                 addr += 4;
 465                         }
 466                         break;
 467                 case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT:
 468                 case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE:
 469                         break;
 470                 default:
 471                         R600_ERR("unsupported CF instruction (0x%X)\n", cf->inst);
 472                         return -EINVAL;
 473                 }
 474         }
 475         return 0;
 476 }