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         switch (bc->family) {
  80         case CHIP_R600:
  81         case CHIP_RV610:
  82         case CHIP_RV630:
  83         case CHIP_RV670:
  84         case CHIP_RV620:
  85         case CHIP_RV635:
  86         case CHIP_RS780:
  87         case CHIP_RS880:
  88                 bc->chiprev = 0;
  89                 break;
  90         case CHIP_RV770:
  91         case CHIP_RV730:
  92         case CHIP_RV710:
  93         case CHIP_RV740:
  94                 bc->chiprev = 1;
  95                 break;
  96         default:
  97                 R600_ERR("unknown family %d\n", bc->family);
  98                 return -EINVAL;
  99         }
 100         return 0;
 101 }
 102
 103 static int r600_bc_add_cf(struct r600_bc *bc)
 104 {
 105         struct r600_bc_cf *cf = r600_bc_cf();
 106
 107         if (cf == NULL)
 108                 return -ENOMEM;
 109         LIST_ADDTAIL(&cf->list, &bc->cf);
 110         if (bc->cf_last)
 111                 cf->id = bc->cf_last->id + 2;
 112         bc->cf_last = cf;
 113         bc->ncf++;
 114         bc->ndw += 2;
 115         bc->force_add_cf = 0;
 116         return 0;
 117 }
 118
 119 int r600_bc_add_output(struct r600_bc *bc, const struct r600_bc_output *output)
 120 {
 121         int r;
 122
 123         r = r600_bc_add_cf(bc);
 124         if (r)
 125                 return r;
 126         bc->cf_last->inst = output->inst;
 127         memcpy(&bc->cf_last->output, output, sizeof(struct r600_bc_output));
 128         return 0;
 129 }
 130
 131 int r600_bc_add_alu(struct r600_bc *bc, const struct r600_bc_alu *alu)
 132 {
 133         struct r600_bc_alu *nalu = r600_bc_alu();
 134         struct r600_bc_alu *lalu;
 135         int i, r;
 136
 137         if (nalu == NULL)
 138                 return -ENOMEM;
 139         memcpy(nalu, alu, sizeof(struct r600_bc_alu));
 140         nalu->nliteral = 0;
 141
 142         /* cf can contains only alu or only vtx or only tex */
 143         if (bc->cf_last == NULL || bc->cf_last->inst != (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3) ||
 144                 bc->force_add_cf) {
 145                 /* at most 128 slots, one add alu can add 4 slots + 4 constant worst case */
 146                 r = r600_bc_add_cf(bc);
 147                 if (r) {
 148                         free(nalu);
 149                         return r;
 150                 }
 151                 bc->cf_last->inst = V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3;
 152         }
 153         if (alu->last && (bc->cf_last->ndw >> 1) >= 124) {
 154                 bc->force_add_cf = 1;
 155         }
 156         /* number of gpr == the last gpr used in any alu */
 157         for (i = 0; i < 3; i++) {
 158                 if (alu->src[i].sel >= bc->ngpr && alu->src[i].sel < 128) {
 159                         bc->ngpr = alu->src[i].sel + 1;
 160                 }
 161                 /* compute how many literal are needed
 162                  * either 2 or 4 literals
 163                  */
 164                 if (alu->src[i].sel == 253) {
 165                         if (((alu->src[i].chan + 2) & 0x6) > nalu->nliteral) {
 166                                 nalu->nliteral = (alu->src[i].chan + 2) & 0x6;
 167                         }
 168                 }
 169         }
 170         if (!LIST_IS_EMPTY(&bc->cf_last->alu)) {
 171                 lalu = LIST_ENTRY(struct r600_bc_alu, bc->cf_last->alu.prev, list);
 172                 if (!lalu->last && lalu->nliteral > nalu->nliteral) {
 173                         nalu->nliteral = lalu->nliteral;
 174                 }
 175         }
 176         if (alu->dst.sel >= bc->ngpr) {
 177                 bc->ngpr = alu->dst.sel + 1;
 178         }
 179         LIST_ADDTAIL(&nalu->list, &bc->cf_last->alu);
 180         /* each alu use 2 dwords */
 181         bc->cf_last->ndw += 2;
 182         bc->ndw += 2;
 183         return 0;
 184 }
 185
 186 int r600_bc_add_literal(struct r600_bc *bc, const u32 *value)
 187 {
 188         struct r600_bc_alu *alu;
 189
 190         if (bc->cf_last == NULL) {
 191                 return 0;
 192         }
 193         if (bc->cf_last->inst == V_SQ_CF_WORD1_SQ_CF_INST_TEX) {
 194                 return 0;
 195         }
 196         if (bc->cf_last->inst != (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3) ||
 197                 LIST_IS_EMPTY(&bc->cf_last->alu)) {
 198                 R600_ERR("last CF is not ALU (%p)\n", bc->cf_last);
 199                 return -EINVAL;
 200         }
 201         alu = LIST_ENTRY(struct r600_bc_alu, bc->cf_last->alu.prev, list);
 202         if (!alu->last || !alu->nliteral || alu->literal_added) {
 203                 return 0;
 204         }
 205         memcpy(alu->value, value, 4 * 4);
 206         bc->cf_last->ndw += alu->nliteral;
 207         bc->ndw += alu->nliteral;
 208         alu->literal_added = 1;
 209         return 0;
 210 }
 211
 212 int r600_bc_add_vtx(struct r600_bc *bc, const struct r600_bc_vtx *vtx)
 213 {
 214         struct r600_bc_vtx *nvtx = r600_bc_vtx();
 215         int r;
 216
 217         if (nvtx == NULL)
 218                 return -ENOMEM;
 219         memcpy(nvtx, vtx, sizeof(struct r600_bc_vtx));
 220
 221         /* cf can contains only alu or only vtx or only tex */
 222         if (bc->cf_last == NULL ||
 223                 (bc->cf_last->inst != V_SQ_CF_WORD1_SQ_CF_INST_VTX &&
 224                  bc->cf_last->inst != V_SQ_CF_WORD1_SQ_CF_INST_VTX_TC)) {
 225                 r = r600_bc_add_cf(bc);
 226                 if (r) {
 227                         free(nvtx);
 228                         return r;
 229                 }
 230                 bc->cf_last->inst = V_SQ_CF_WORD1_SQ_CF_INST_VTX;
 231         }
 232         LIST_ADDTAIL(&nvtx->list, &bc->cf_last->vtx);
 233         /* each fetch use 4 dwords */
 234         bc->cf_last->ndw += 4;
 235         bc->ndw += 4;
 236         return 0;
 237 }
 238
 239 int r600_bc_add_tex(struct r600_bc *bc, const struct r600_bc_tex *tex)
 240 {
 241         struct r600_bc_tex *ntex = r600_bc_tex();
 242         int r;
 243
 244         if (ntex == NULL)
 245                 return -ENOMEM;
 246         memcpy(ntex, tex, sizeof(struct r600_bc_tex));
 247
 248         /* cf can contains only alu or only vtx or only tex */
 249         if (bc->cf_last == NULL ||
 250                 bc->cf_last->inst != V_SQ_CF_WORD1_SQ_CF_INST_TEX) {
 251                 r = r600_bc_add_cf(bc);
 252                 if (r) {
 253                         free(ntex);
 254                         return r;
 255                 }
 256                 bc->cf_last->inst = V_SQ_CF_WORD1_SQ_CF_INST_TEX;
 257         }
 258         LIST_ADDTAIL(&ntex->list, &bc->cf_last->tex);
 259         /* each texture fetch use 4 dwords */
 260         bc->cf_last->ndw += 4;
 261         bc->ndw += 4;
 262         return 0;
 263 }
 264
 265 static int r600_bc_vtx_build(struct r600_bc *bc, struct r600_bc_vtx *vtx, unsigned id)
 266 {
 267         bc->bytecode[id++] = S_SQ_VTX_WORD0_BUFFER_ID(vtx->buffer_id) |
 268                                 S_SQ_VTX_WORD0_SRC_GPR(vtx->src_gpr) |
 269                                 S_SQ_VTX_WORD0_SRC_SEL_X(vtx->src_sel_x) |
 270                                 S_SQ_VTX_WORD0_MEGA_FETCH_COUNT(vtx->mega_fetch_count);
 271         bc->bytecode[id++] = S_SQ_VTX_WORD1_DST_SEL_X(vtx->dst_sel_x) |
 272                                 S_SQ_VTX_WORD1_DST_SEL_Y(vtx->dst_sel_y) |
 273                                 S_SQ_VTX_WORD1_DST_SEL_Z(vtx->dst_sel_z) |
 274                                 S_SQ_VTX_WORD1_DST_SEL_W(vtx->dst_sel_w) |
 275                                 S_SQ_VTX_WORD1_USE_CONST_FIELDS(1) |
 276                                 S_SQ_VTX_WORD1_GPR_DST_GPR(vtx->dst_gpr);
 277         bc->bytecode[id++] = S_SQ_VTX_WORD2_MEGA_FETCH(1);
 278         bc->bytecode[id++] = 0;
 279         return 0;
 280 }
 281
 282 static int r600_bc_tex_build(struct r600_bc *bc, struct r600_bc_tex *tex, unsigned id)
 283 {
 284         bc->bytecode[id++] = S_SQ_TEX_WORD0_TEX_INST(tex->inst) |
 285                                 S_SQ_TEX_WORD0_RESOURCE_ID(tex->resource_id) |
 286                                 S_SQ_TEX_WORD0_SRC_GPR(tex->src_gpr) |
 287                                 S_SQ_TEX_WORD0_SRC_REL(tex->src_rel);
 288         bc->bytecode[id++] = S_SQ_TEX_WORD1_DST_GPR(tex->dst_gpr) |
 289                                 S_SQ_TEX_WORD1_DST_REL(tex->dst_rel) |
 290                                 S_SQ_TEX_WORD1_DST_SEL_X(tex->dst_sel_x) |
 291                                 S_SQ_TEX_WORD1_DST_SEL_Y(tex->dst_sel_y) |
 292                                 S_SQ_TEX_WORD1_DST_SEL_Z(tex->dst_sel_z) |
 293                                 S_SQ_TEX_WORD1_DST_SEL_W(tex->dst_sel_w) |
 294                                 S_SQ_TEX_WORD1_LOD_BIAS(tex->lod_bias) |
 295                                 S_SQ_TEX_WORD1_COORD_TYPE_X(tex->coord_type_x) |
 296                                 S_SQ_TEX_WORD1_COORD_TYPE_Y(tex->coord_type_y) |
 297                                 S_SQ_TEX_WORD1_COORD_TYPE_Z(tex->coord_type_z) |
 298                                 S_SQ_TEX_WORD1_COORD_TYPE_W(tex->coord_type_w);
 299         bc->bytecode[id++] = S_SQ_TEX_WORD2_OFFSET_X(tex->offset_x) |
 300                                 S_SQ_TEX_WORD2_OFFSET_Y(tex->offset_y) |
 301                                 S_SQ_TEX_WORD2_OFFSET_Z(tex->offset_z) |
 302                                 S_SQ_TEX_WORD2_SAMPLER_ID(tex->sampler_id) |
 303                                 S_SQ_TEX_WORD2_SRC_SEL_X(tex->src_sel_x) |
 304                                 S_SQ_TEX_WORD2_SRC_SEL_Y(tex->src_sel_y) |
 305                                 S_SQ_TEX_WORD2_SRC_SEL_Z(tex->src_sel_z) |
 306                                 S_SQ_TEX_WORD2_SRC_SEL_W(tex->src_sel_w);
 307         bc->bytecode[id++] = 0;
 308         return 0;
 309 }
 310
 311 static int r600_bc_alu_build(struct r600_bc *bc, struct r600_bc_alu *alu, unsigned id)
 312 {
 313         unsigned i;
 314
 315         /* don't replace gpr by pv or ps for destination register */
 316         if (alu->is_op3) {
 317                 bc->bytecode[id++] = S_SQ_ALU_WORD0_SRC0_SEL(alu->src[0].sel) |
 318                                         S_SQ_ALU_WORD0_SRC0_CHAN(alu->src[0].chan) |
 319                                         S_SQ_ALU_WORD0_SRC1_SEL(alu->src[1].sel) |
 320                                         S_SQ_ALU_WORD0_SRC1_CHAN(alu->src[1].chan) |
 321                                         S_SQ_ALU_WORD0_LAST(alu->last);
 322                 bc->bytecode[id++] = S_SQ_ALU_WORD1_DST_GPR(alu->dst.sel) |
 323                                         S_SQ_ALU_WORD1_DST_CHAN(alu->dst.chan) |
 324                                         S_SQ_ALU_WORD1_CLAMP(alu->dst.clamp) |
 325                                         S_SQ_ALU_WORD1_OP3_SRC2_SEL(alu->src[2].sel) |
 326                                         S_SQ_ALU_WORD1_OP3_SRC2_CHAN(alu->src[2].chan) |
 327                                         S_SQ_ALU_WORD1_OP3_SRC2_NEG(alu->src[2].neg) |
 328                                         S_SQ_ALU_WORD1_OP3_ALU_INST(alu->inst) |
 329                                         S_SQ_ALU_WORD1_BANK_SWIZZLE(0);
 330         } else {
 331                 bc->bytecode[id++] = S_SQ_ALU_WORD0_SRC0_SEL(alu->src[0].sel) |
 332                                         S_SQ_ALU_WORD0_SRC0_CHAN(alu->src[0].chan) |
 333                                         S_SQ_ALU_WORD0_SRC0_NEG(alu->src[0].neg) |
 334                                         S_SQ_ALU_WORD0_SRC1_SEL(alu->src[1].sel) |
 335                                         S_SQ_ALU_WORD0_SRC1_CHAN(alu->src[1].chan) |
 336                                         S_SQ_ALU_WORD0_SRC1_NEG(alu->src[1].neg) |
 337                                         S_SQ_ALU_WORD0_LAST(alu->last);
 338                 bc->bytecode[id++] = S_SQ_ALU_WORD1_DST_GPR(alu->dst.sel) |
 339                                         S_SQ_ALU_WORD1_DST_CHAN(alu->dst.chan) |
 340                                         S_SQ_ALU_WORD1_CLAMP(alu->dst.clamp) |
 341                                         S_SQ_ALU_WORD1_OP2_SRC0_ABS(alu->src[0].abs) |
 342                                         S_SQ_ALU_WORD1_OP2_SRC1_ABS(alu->src[1].abs) |
 343                                         S_SQ_ALU_WORD1_OP2_WRITE_MASK(alu->dst.write) |
 344                                         S_SQ_ALU_WORD1_OP2_ALU_INST(alu->inst) |
 345                                         S_SQ_ALU_WORD1_BANK_SWIZZLE(0);
 346         }
 347         if (alu->last) {
 348                 for (i = 0; i < alu->nliteral; i++) {
 349                         bc->bytecode[id++] = alu->value[i];
 350                 }
 351         }
 352         return 0;
 353 }
 354
 355 static int r600_bc_cf_build(struct r600_bc *bc, struct r600_bc_cf *cf)
 356 {
 357         unsigned id = cf->id;
 358
 359         switch (cf->inst) {
 360         case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3):
 361                 bc->bytecode[id++] = S_SQ_CF_ALU_WORD0_ADDR(cf->addr >> 1);
 362                 bc->bytecode[id++] = S_SQ_CF_ALU_WORD1_CF_INST(cf->inst >> 3) |
 363                                         S_SQ_CF_ALU_WORD1_BARRIER(1) |
 364                                         S_SQ_CF_ALU_WORD1_COUNT((cf->ndw / 2) - 1);
 365                 break;
 366         case V_SQ_CF_WORD1_SQ_CF_INST_TEX:
 367         case V_SQ_CF_WORD1_SQ_CF_INST_VTX:
 368         case V_SQ_CF_WORD1_SQ_CF_INST_VTX_TC:
 369                 bc->bytecode[id++] = S_SQ_CF_WORD0_ADDR(cf->addr >> 1);
 370                 bc->bytecode[id++] = S_SQ_CF_WORD1_CF_INST(cf->inst) |
 371                                         S_SQ_CF_WORD1_BARRIER(1) |
 372                                         S_SQ_CF_WORD1_COUNT((cf->ndw / 4) - 1);
 373                 break;
 374         case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT:
 375         case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE:
 376                 bc->bytecode[id++] = S_SQ_CF_ALLOC_EXPORT_WORD0_RW_GPR(cf->output.gpr) |
 377                         S_SQ_CF_ALLOC_EXPORT_WORD0_ELEM_SIZE(cf->output.elem_size) |
 378                         S_SQ_CF_ALLOC_EXPORT_WORD0_ARRAY_BASE(cf->output.array_base) |
 379                         S_SQ_CF_ALLOC_EXPORT_WORD0_TYPE(cf->output.type);
 380                 bc->bytecode[id++] = S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_X(cf->output.swizzle_x) |
 381                         S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_Y(cf->output.swizzle_y) |
 382                         S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_Z(cf->output.swizzle_z) |
 383                         S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_W(cf->output.swizzle_w) |
 384                         S_SQ_CF_ALLOC_EXPORT_WORD1_BARRIER(cf->output.barrier) |
 385                         S_SQ_CF_ALLOC_EXPORT_WORD1_CF_INST(cf->output.inst) |
 386                         S_SQ_CF_ALLOC_EXPORT_WORD1_END_OF_PROGRAM(cf->output.end_of_program);
 387                 break;
 388         default:
 389                 R600_ERR("unsupported CF instruction (0x%X)\n", cf->inst);
 390                 return -EINVAL;
 391         }
 392         return 0;
 393 }
 394
 395 int r600_bc_build(struct r600_bc *bc)
 396 {
 397         struct r600_bc_cf *cf;
 398         struct r600_bc_alu *alu;
 399         struct r600_bc_vtx *vtx;
 400         struct r600_bc_tex *tex;
 401         unsigned addr;
 402         int r;
 403
 404
 405         /* first path compute addr of each CF block */
 406         /* addr start after all the CF instructions */
 407         addr = bc->cf_last->id + 2;
 408         LIST_FOR_EACH_ENTRY(cf, &bc->cf, list) {
 409                 switch (cf->inst) {
 410                 case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3):
 411                         break;
 412                 case V_SQ_CF_WORD1_SQ_CF_INST_TEX:
 413                 case V_SQ_CF_WORD1_SQ_CF_INST_VTX:
 414                 case V_SQ_CF_WORD1_SQ_CF_INST_VTX_TC:
 415                         /* fetch node need to be 16 bytes aligned*/
 416                         addr += 3;
 417                         addr &= 0xFFFFFFFCUL;
 418                         break;
 419                 case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT:
 420                 case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE:
 421                         break;
 422                 default:
 423                         R600_ERR("unsupported CF instruction (0x%X)\n", cf->inst);
 424                         return -EINVAL;
 425                 }
 426                 cf->addr = addr;
 427                 addr += cf->ndw;
 428                 bc->ndw = cf->addr + cf->ndw;
 429         }
 430         free(bc->bytecode);
 431         bc->bytecode = calloc(1, bc->ndw * 4);
 432         if (bc->bytecode == NULL)
 433                 return -ENOMEM;
 434         LIST_FOR_EACH_ENTRY(cf, &bc->cf, list) {
 435                 addr = cf->addr;
 436                 r = r600_bc_cf_build(bc, cf);
 437                 if (r)
 438                         return r;
 439                 switch (cf->inst) {
 440                 case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3):
 441                         LIST_FOR_EACH_ENTRY(alu, &cf->alu, list) {
 442                                 switch(bc->chiprev) {
 443                                 case 0:
 444                                         r = r600_bc_alu_build(bc, alu, addr);
 445                                         break;
 446                                 case 1:
 447                                         r = r700_bc_alu_build(bc, alu, addr);
 448                                         break;
 449                                 default:
 450                                         R600_ERR("unknown family %d\n", bc->family);
 451                                         return -EINVAL;
 452                                 }
 453                                 if (r)
 454                                         return r;
 455                                 addr += 2;
 456                                 if (alu->last) {
 457                                         addr += alu->nliteral;
 458                                 }
 459                         }
 460                         break;
 461                 case V_SQ_CF_WORD1_SQ_CF_INST_VTX:
 462                 case V_SQ_CF_WORD1_SQ_CF_INST_VTX_TC:
 463                         LIST_FOR_EACH_ENTRY(vtx, &cf->vtx, list) {
 464                                 r = r600_bc_vtx_build(bc, vtx, addr);
 465                                 if (r)
 466                                         return r;
 467                                 addr += 4;
 468                         }
 469                         break;
 470                 case V_SQ_CF_WORD1_SQ_CF_INST_TEX:
 471                         LIST_FOR_EACH_ENTRY(tex, &cf->tex, list) {
 472                                 r = r600_bc_tex_build(bc, tex, addr);
 473                                 if (r)
 474                                         return r;
 475                                 addr += 4;
 476                         }
 477                         break;
 478                 case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT:
 479                 case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE:
 480                         break;
 481                 default:
 482                         R600_ERR("unsupported CF instruction (0x%X)\n", cf->inst);
 483                         return -EINVAL;
 484                 }
 485         }
 486         return 0;
 487 }