Merge remote branch 'origin/master' into pipe-video
authorChristian König <deathsimple@vodafone.de>
Sat, 5 Mar 2011 14:46:56 +0000 (15:46 +0100)
committerChristian König <deathsimple@vodafone.de>
Sat, 5 Mar 2011 14:46:56 +0000 (15:46 +0100)
1  2 
src/gallium/drivers/r600/r600_asm.c

index d7a7928386f5e77a3c1ed841572c19faa13ba371,d4d8de2fe876cbd962b69e20b4289d8de6c80385..996d9f74a60ce1ea0389854032b961ae8ccdc90f
@@@ -35,9 -35,6 +35,9 @@@
  #define NUM_OF_CYCLES 3
  #define NUM_OF_COMPONENTS 4
  
 +#define PREV_ALU(alu) LIST_ENTRY(struct r600_bc_alu, alu->list.prev, list)
 +#define NEXT_ALU(alu) LIST_ENTRY(struct r600_bc_alu, alu->list.next, list)
 +
  static inline unsigned int r600_bc_get_num_operands(struct r600_bc *bc, struct r600_bc_alu *alu)
  {
        if(alu->is_op3)
@@@ -56,6 -53,7 +56,7 @@@
                case V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGE:
                case V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLNE:
                case V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MUL:
+               case V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MULHI_UINT:
                case V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MAX:
                case V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MIN:
                case V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_SETE:
                case EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGE:
                case EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLNE:
                case EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MUL:
+               case EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MULHI_UINT:
                case EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MAX:
                case EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MIN:
                case EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_SETE:
@@@ -161,7 -160,6 +163,7 @@@ static struct r600_bc_cf *r600_bc_cf(vo
        LIST_INITHEAD(&cf->alu);
        LIST_INITHEAD(&cf->vtx);
        LIST_INITHEAD(&cf->tex);
 +      cf->barrier = 1;
        return cf;
  }
  
@@@ -250,49 -248,13 +252,49 @@@ static int r600_bc_add_cf(struct r600_b
        return 0;
  }
  
 +static void r600_bc_remove_cf(struct r600_bc *bc, struct r600_bc_cf *cf)
 +{
 +      struct r600_bc_cf *other;
 +      LIST_FOR_EACH_ENTRY(other, &bc->cf, list) {
 +              if (other->id > cf->id)
 +                      other->id -= 2;
 +              if (other->cf_addr > cf->id)
 +                      other->cf_addr -= 2;
 +      }
 +      LIST_DEL(&cf->list);
 +      free(cf);
 +}
 +
 +static void r600_bc_move_cf(struct r600_bc *bc, struct r600_bc_cf *cf, struct r600_bc_cf *next)
 +{
 +      struct r600_bc_cf *prev = LIST_ENTRY(struct r600_bc_cf, next->list.prev, list);
 +      unsigned old_id = cf->id;
 +      unsigned new_id = next->list.prev == &bc->cf ? 0 : prev->id + 2;
 +      struct r600_bc_cf *other;
 +
 +      if (prev == cf || next == cf)
 +              return; /* position hasn't changed */
 +
 +      LIST_DEL(&cf->list);
 +      LIST_FOR_EACH_ENTRY(other, &bc->cf, list) {
 +              if (other->id > old_id)
 +                      other->id -= 2;
 +              if (other->id >= new_id)
 +                      other->id += 2;
 +              if (other->cf_addr > old_id)
 +                      other->cf_addr -= 2;
 +              if (other->cf_addr > new_id)
 +                      other->cf_addr += 2;
 +      }
 +      cf->id = new_id;
 +      LIST_ADD(&cf->list, &prev->list);
 +}
 +
  int r600_bc_add_output(struct r600_bc *bc, const struct r600_bc_output *output)
  {
        int r;
  
 -      if (bc->cf_last && (bc->cf_last->inst == output->inst ||
 -              (bc->cf_last->inst == BC_INST(bc, V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT) &&
 -              output->inst == BC_INST(bc, V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE))) &&
 +      if (bc->cf_last && bc->cf_last->inst == BC_INST(bc, V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT) &&
                output->type == bc->cf_last->output.type &&
                output->elem_size == bc->cf_last->output.elem_size &&
                output->swizzle_x == bc->cf_last->output.swizzle_x &&
                if ((output->gpr + output->burst_count) == bc->cf_last->output.gpr &&
                        (output->array_base + output->burst_count) == bc->cf_last->output.array_base) {
  
 -                      bc->cf_last->output.end_of_program |= output->end_of_program;
 -                      bc->cf_last->output.inst = output->inst;
                        bc->cf_last->output.gpr = output->gpr;
                        bc->cf_last->output.array_base = output->array_base;
                        bc->cf_last->output.burst_count += output->burst_count;
                } else if (output->gpr == (bc->cf_last->output.gpr + bc->cf_last->output.burst_count) &&
                        output->array_base == (bc->cf_last->output.array_base + bc->cf_last->output.burst_count)) {
  
 -                      bc->cf_last->output.end_of_program |= output->end_of_program;
 -                      bc->cf_last->output.inst = output->inst;
                        bc->cf_last->output.burst_count += output->burst_count;
                        return 0;
                }
        r = r600_bc_add_cf(bc);
        if (r)
                return r;
 -      bc->cf_last->inst = output->inst;
 +      bc->cf_last->inst = BC_INST(bc, V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT);
        memcpy(&bc->cf_last->output, output, sizeof(struct r600_bc_output));
 +      bc->cf_last->output.burst_count = 1;
        return 0;
  }
  
 -/* alu instructions that can ony exits once per group */
 -static int is_alu_once_inst(struct r600_bc *bc, struct r600_bc_alu *alu)
 +/* alu predicate instructions */
 +static int is_alu_pred_inst(struct r600_bc *bc, struct r600_bc_alu *alu)
  {
        switch (bc->chiprev) {
        case CHIPREV_R600:
        case CHIPREV_R700:
                return !alu->is_op3 && (
 -                      alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLE ||
 -                      alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGT ||
 -                      alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGE ||
 -                      alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLNE ||
 -                      alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGT_UINT ||
 -                      alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGE_UINT ||
 -                      alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLE_INT ||
 -                      alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGT_INT ||
 -                      alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGE_INT ||
 -                      alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLNE_INT ||
                        alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_PRED_SETGT_UINT ||
                        alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_PRED_SETGE_UINT ||
                        alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_PRED_SETE ||
        case CHIPREV_EVERGREEN:
        default:
                return !alu->is_op3 && (
 -                      alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLE ||
 -                      alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGT ||
 -                      alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGE ||
 -                      alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLNE ||
 -                      alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGT_UINT ||
 -                      alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGE_UINT ||
 -                      alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLE_INT ||
 -                      alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGT_INT ||
 -                      alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGE_INT ||
 -                      alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLNE_INT ||
                        alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_PRED_SETGT_UINT ||
                        alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_PRED_SETGE_UINT ||
                        alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_PRED_SETE ||
        }
  }
  
 +/* alu kill instructions */
 +static int is_alu_kill_inst(struct r600_bc *bc, struct r600_bc_alu *alu)
 +{
 +      switch (bc->chiprev) {
 +      case CHIPREV_R600:
 +      case CHIPREV_R700:
 +              return !alu->is_op3 && (
 +                      alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLE ||
 +                      alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGT ||
 +                      alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGE ||
 +                      alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLNE ||
 +                      alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGT_UINT ||
 +                      alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGE_UINT ||
 +                      alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLE_INT ||
 +                      alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGT_INT ||
 +                      alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGE_INT ||
 +                      alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLNE_INT);
 +      case CHIPREV_EVERGREEN:
 +      default:
 +              return !alu->is_op3 && (
 +                      alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLE ||
 +                      alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGT ||
 +                      alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGE ||
 +                      alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLNE ||
 +                      alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGT_UINT ||
 +                      alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGE_UINT ||
 +                      alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLE_INT ||
 +                      alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGT_INT ||
 +                      alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLGE_INT ||
 +                      alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_KILLNE_INT);
 +      }
 +}
 +
 +/* alu instructions that can ony exits once per group */
 +static int is_alu_once_inst(struct r600_bc *bc, struct r600_bc_alu *alu)
 +{
 +      return is_alu_kill_inst(bc, alu) ||
 +              is_alu_pred_inst(bc, alu);
 +}
 +
  static int is_alu_reduction_inst(struct r600_bc *bc, struct r600_bc_alu *alu)
  {
        switch (bc->chiprev) {
@@@ -1302,16 -1247,6 +1304,16 @@@ int r600_bc_add_alu(struct r600_bc *bc
        return r600_bc_add_alu_type(bc, alu, BC_INST(bc, V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU));
  }
  
 +static void r600_bc_remove_alu(struct r600_bc_cf *cf, struct r600_bc_alu *alu)
 +{
 +      if (alu->last && alu->list.prev != &cf->alu) {
 +              PREV_ALU(alu)->last = 1;
 +      }
 +      LIST_DEL(&alu->list);
 +      free(alu);
 +      cf->ndw -= 2;
 +}
 +
  int r600_bc_add_vtx(struct r600_bc *bc, const struct r600_bc_vtx *vtx)
  {
        struct r600_bc_vtx *nvtx = r600_bc_vtx();
@@@ -1521,64 -1456,16 +1523,64 @@@ static int r600_bc_alu_build(struct r60
        return 0;
  }
  
 -/* common for r600/r700 - eg in eg_asm.c */
 -static int r600_bc_cf_build(struct r600_bc *bc, struct r600_bc_cf *cf)
 +enum cf_class
  {
 -      unsigned id = cf->id;
 +      CF_CLASS_ALU,
 +      CF_CLASS_TEXTURE,
 +      CF_CLASS_VERTEX,
 +      CF_CLASS_EXPORT,
 +      CF_CLASS_OTHER
 +};
  
 +static enum cf_class r600_bc_cf_class(struct r600_bc_cf *cf)
 +{
        switch (cf->inst) {
        case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3):
 -      case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_PUSH_BEFORE << 3):
        case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_POP_AFTER << 3):
        case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_POP2_AFTER << 3):
 +      case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_PUSH_BEFORE << 3):
 +              return CF_CLASS_ALU;
 +
 +      case V_SQ_CF_WORD1_SQ_CF_INST_TEX:
 +              return CF_CLASS_TEXTURE;
 +
 +      case V_SQ_CF_WORD1_SQ_CF_INST_VTX:
 +      case V_SQ_CF_WORD1_SQ_CF_INST_VTX_TC:
 +              return CF_CLASS_VERTEX;
 +
 +      case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT:
 +      case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE:
 +      case EG_V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT:
 +      case EG_V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE:
 +              return CF_CLASS_EXPORT;
 +
 +      case V_SQ_CF_WORD1_SQ_CF_INST_JUMP:
 +      case V_SQ_CF_WORD1_SQ_CF_INST_ELSE:
 +      case V_SQ_CF_WORD1_SQ_CF_INST_POP:
 +      case V_SQ_CF_WORD1_SQ_CF_INST_LOOP_START_NO_AL:
 +      case V_SQ_CF_WORD1_SQ_CF_INST_LOOP_END:
 +      case V_SQ_CF_WORD1_SQ_CF_INST_LOOP_CONTINUE:
 +      case V_SQ_CF_WORD1_SQ_CF_INST_LOOP_BREAK:
 +      case V_SQ_CF_WORD1_SQ_CF_INST_CALL_FS:
 +      case V_SQ_CF_WORD1_SQ_CF_INST_RETURN:
 +      case V_SQ_CF_WORD1_SQ_CF_INST_NOP:
 +              return CF_CLASS_OTHER;
 +
 +      default:
 +              R600_ERR("unsupported CF instruction (0x%X)\n", cf->inst);
 +              return -EINVAL;
 +      }
 +}
 +
 +/* common for r600/r700 - eg in eg_asm.c */
 +static int r600_bc_cf_build(struct r600_bc *bc, struct r600_bc_cf *cf)
 +{
 +      unsigned id = cf->id;
 +      unsigned end_of_program = bc->cf.prev == &cf->list;
 +
 +      switch (r600_bc_cf_class(cf)) {
 +      case CF_CLASS_ALU:
 +              assert(!end_of_program);
                bc->bytecode[id++] = S_SQ_CF_ALU_WORD0_ADDR(cf->addr >> 1) |
                        S_SQ_CF_ALU_WORD0_KCACHE_MODE0(cf->kcache[0].mode) |
                        S_SQ_CF_ALU_WORD0_KCACHE_BANK0(cf->kcache[0].bank) |
                        S_SQ_CF_ALU_WORD1_KCACHE_MODE1(cf->kcache[1].mode) |
                        S_SQ_CF_ALU_WORD1_KCACHE_ADDR0(cf->kcache[0].addr) |
                        S_SQ_CF_ALU_WORD1_KCACHE_ADDR1(cf->kcache[1].addr) |
 -                                      S_SQ_CF_ALU_WORD1_BARRIER(1) |
 -                                      S_SQ_CF_ALU_WORD1_USES_WATERFALL(bc->chiprev == CHIPREV_R600 ? cf->r6xx_uses_waterfall : 0) |
 -                                      S_SQ_CF_ALU_WORD1_COUNT((cf->ndw / 2) - 1);
 +                      S_SQ_CF_ALU_WORD1_BARRIER(cf->barrier) |
 +                      S_SQ_CF_ALU_WORD1_USES_WATERFALL(bc->chiprev == CHIPREV_R600 ? cf->r6xx_uses_waterfall : 0) |
 +                      S_SQ_CF_ALU_WORD1_COUNT((cf->ndw / 2) - 1);
                break;
 -      case V_SQ_CF_WORD1_SQ_CF_INST_TEX:
 -      case V_SQ_CF_WORD1_SQ_CF_INST_VTX:
 -      case V_SQ_CF_WORD1_SQ_CF_INST_VTX_TC:
 +      case CF_CLASS_TEXTURE:
 +      case CF_CLASS_VERTEX:
                bc->bytecode[id++] = S_SQ_CF_WORD0_ADDR(cf->addr >> 1);
                bc->bytecode[id++] = S_SQ_CF_WORD1_CF_INST(cf->inst) |
 -                                      S_SQ_CF_WORD1_BARRIER(1) |
 -                                      S_SQ_CF_WORD1_COUNT((cf->ndw / 4) - 1);
 +                      S_SQ_CF_WORD1_BARRIER(cf->barrier) |
 +                      S_SQ_CF_WORD1_COUNT((cf->ndw / 4) - 1) |
 +                      S_SQ_CF_WORD1_END_OF_PROGRAM(end_of_program);
                break;
 -      case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT:
 -      case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE:
 +      case CF_CLASS_EXPORT:
                bc->bytecode[id++] = S_SQ_CF_ALLOC_EXPORT_WORD0_RW_GPR(cf->output.gpr) |
                        S_SQ_CF_ALLOC_EXPORT_WORD0_ELEM_SIZE(cf->output.elem_size) |
                        S_SQ_CF_ALLOC_EXPORT_WORD0_ARRAY_BASE(cf->output.array_base) |
                        S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_Y(cf->output.swizzle_y) |
                        S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_Z(cf->output.swizzle_z) |
                        S_SQ_CF_ALLOC_EXPORT_WORD1_SWIZ_SEL_W(cf->output.swizzle_w) |
 -                      S_SQ_CF_ALLOC_EXPORT_WORD1_BARRIER(cf->output.barrier) |
 -                      S_SQ_CF_ALLOC_EXPORT_WORD1_CF_INST(cf->output.inst) |
 -                      S_SQ_CF_ALLOC_EXPORT_WORD1_END_OF_PROGRAM(cf->output.end_of_program);
 +                      S_SQ_CF_ALLOC_EXPORT_WORD1_BARRIER(cf->barrier) |
 +                      S_SQ_CF_ALLOC_EXPORT_WORD1_CF_INST(cf->inst) |
 +                      S_SQ_CF_ALLOC_EXPORT_WORD1_END_OF_PROGRAM(end_of_program);
                break;
 -      case V_SQ_CF_WORD1_SQ_CF_INST_JUMP:
 -      case V_SQ_CF_WORD1_SQ_CF_INST_ELSE:
 -      case V_SQ_CF_WORD1_SQ_CF_INST_POP:
 -      case V_SQ_CF_WORD1_SQ_CF_INST_LOOP_START_NO_AL:
 -      case V_SQ_CF_WORD1_SQ_CF_INST_LOOP_END:
 -      case V_SQ_CF_WORD1_SQ_CF_INST_LOOP_CONTINUE:
 -      case V_SQ_CF_WORD1_SQ_CF_INST_LOOP_BREAK:
 -      case V_SQ_CF_WORD1_SQ_CF_INST_CALL_FS:
 -      case V_SQ_CF_WORD1_SQ_CF_INST_RETURN:
 +      case CF_CLASS_OTHER:
                bc->bytecode[id++] = S_SQ_CF_WORD0_ADDR(cf->cf_addr >> 1);
                bc->bytecode[id++] = S_SQ_CF_WORD1_CF_INST(cf->inst) |
 -                                      S_SQ_CF_WORD1_BARRIER(1) |
 -                                      S_SQ_CF_WORD1_COND(cf->cond) |
 -                                      S_SQ_CF_WORD1_POP_COUNT(cf->pop_count);
 +                      S_SQ_CF_WORD1_BARRIER(cf->barrier) |
 +                      S_SQ_CF_WORD1_COND(cf->cond) |
 +                      S_SQ_CF_WORD1_POP_COUNT(cf->pop_count) |
 +                      S_SQ_CF_WORD1_END_OF_PROGRAM(end_of_program);
  
                break;
        default:
        return 0;
  }
  
 +struct gpr_usage_range {
 +      int     replacement;
 +      int     rel_block;
 +      int     start;
 +      int     end;
 +};
 +
 +struct gpr_usage {
 +      unsigned                channels:4;
 +      int                     first_write;
 +      int                     last_write[4];
 +      unsigned                nranges;
 +      struct gpr_usage_range  *ranges;
 +};
 +
 +static struct gpr_usage_range* last_gpr_usage_range(struct gpr_usage *usage)
 +{
 +      if (usage->nranges)
 +              return usage->ranges + usage->nranges - 1;
 +      else
 +              return NULL;
 +}
 +
 +static struct gpr_usage_range* add_gpr_usage_range(struct gpr_usage *usage)
 +{
 +      struct gpr_usage_range *range;
 +
 +      usage->nranges++;
 +      usage->ranges = realloc(usage->ranges, usage->nranges * sizeof(struct gpr_usage_range));
 +      if (!usage->ranges)
 +              return NULL;
 +
 +      range = last_gpr_usage_range(usage);
 +      range->replacement = -1; /* no prefered replacement */
 +      range->rel_block = -1;
 +      range->start = -1;
 +      range->end = -1;
 +
 +      return range;
 +}
 +
 +static void notice_gpr_read(struct gpr_usage *usage, int id, unsigned chan)
 +{
 +      struct gpr_usage_range* range;
 +
 +        usage->channels |= 1 << chan;
 +        usage->first_write = -1;
 +        if (!usage->nranges) {
 +              range = add_gpr_usage_range(usage);
 +        } else
 +              range = last_gpr_usage_range(usage);
 +
 +        if (range && range->end < id)
 +              range->end = id;
 +}
 +
 +static void notice_gpr_rel_read(struct r600_bc *bc, struct gpr_usage usage[128],
 +                              int id, unsigned gpr, unsigned chan)
 +{
 +      unsigned i;
 +      for (i = gpr; i < bc->ngpr; ++i)
 +              notice_gpr_read(&usage[i], id, chan);
 +
 +      last_gpr_usage_range(&usage[gpr])->rel_block = bc->ngpr - gpr;
 +}
 +
 +static void notice_gpr_last_write(struct gpr_usage *usage, int id, unsigned chan)
 +{
 +        usage->last_write[chan] = id;
 +}
 +
 +static void notice_gpr_write(struct gpr_usage *usage, int id, unsigned chan,
 +                              int predicate, int prefered_replacement)
 +{
 +      struct gpr_usage_range* last_range = last_gpr_usage_range(usage);
 +      int start = usage->first_write != -1 ? usage->first_write : id;
 +      usage->channels &= ~(1 << chan);
 +      if (usage->channels) {
 +              if (usage->first_write == -1)
 +                      usage->first_write = id;
 +      } else if (!last_range || (last_range->start != start && !predicate)) {
 +              usage->first_write = start;
 +              struct gpr_usage_range* range = add_gpr_usage_range(usage);
 +              range->replacement = prefered_replacement;
 +                range->start = start;
 +        } else if (last_range->start == start && prefered_replacement != -1) {
 +              last_range->replacement = prefered_replacement;
 +        }
 +        notice_gpr_last_write(usage, id, chan);
 +}
 +
 +static void notice_gpr_rel_last_write(struct gpr_usage usage[128], int id, unsigned chan)
 +{
 +      unsigned i;
 +      for (i = 0; i < 128; ++i)
 +              notice_gpr_last_write(&usage[i], id, chan);
 +}
 +
 +static void notice_gpr_rel_write(struct gpr_usage usage[128], int id, unsigned chan)
 +{
 +      unsigned i;
 +      for (i = 0; i < 128; ++i)
 +              notice_gpr_write(&usage[i], id, chan, 1, -1);
 +}
 +
 +static void notice_alu_src_gprs(struct r600_bc *bc, struct r600_bc_alu *alu,
 +                                struct gpr_usage usage[128], int id)
 +{
 +      unsigned src, num_src;
 +
 +      num_src = r600_bc_get_num_operands(bc, alu);
 +      for (src = 0; src < num_src; ++src) {
 +              // constants doesn't matter
 +              if (!is_gpr(alu->src[src].sel))
 +                      continue;
 +
 +              if (alu->src[src].rel)
 +                      notice_gpr_rel_read(bc, usage, id, alu->src[src].sel, alu->src[src].chan);
 +              else
 +                      notice_gpr_read(&usage[alu->src[src].sel], id, alu->src[src].chan);
 +      }
 +}
 +
 +static void notice_alu_dst_gprs(struct r600_bc_alu *alu_first, struct gpr_usage usage[128],
 +                              int id, int predicate)
 +{
 +      struct r600_bc_alu *alu;
 +      for (alu = alu_first; alu; alu = LIST_ENTRY(struct r600_bc_alu, alu->list.next, list)) {
 +              if (alu->dst.write) {
 +                      if (alu->dst.rel)
 +                              notice_gpr_rel_write(usage, id, alu->dst.chan);
 +                      else if (alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOV && is_gpr(alu->src[0].sel))
 +                              notice_gpr_write(&usage[alu->dst.sel], id, alu->dst.chan,
 +                                              predicate, alu->src[0].sel);
 +                      else
 +                              notice_gpr_write(&usage[alu->dst.sel], id, alu->dst.chan, predicate, -1);
 +              }
 +
 +              if (alu->last)
 +                      break;
 +      }
 +}
 +
 +static void notice_tex_gprs(struct r600_bc *bc, struct r600_bc_tex *tex,
 +                              struct gpr_usage usage[128],
 +                              int id, int predicate)
 +{
 +      if (tex->src_rel) {
 +                if (tex->src_sel_x < 4)
 +                      notice_gpr_rel_read(bc, usage, id, tex->src_gpr, tex->src_sel_x);
 +              if (tex->src_sel_y < 4)
 +                      notice_gpr_rel_read(bc, usage, id, tex->src_gpr, tex->src_sel_y);
 +              if (tex->src_sel_z < 4)
 +                      notice_gpr_rel_read(bc, usage, id, tex->src_gpr, tex->src_sel_z);
 +              if (tex->src_sel_w < 4)
 +                      notice_gpr_rel_read(bc, usage, id, tex->src_gpr, tex->src_sel_w);
 +        } else {
 +              if (tex->src_sel_x < 4)
 +                      notice_gpr_read(&usage[tex->src_gpr], id, tex->src_sel_x);
 +              if (tex->src_sel_y < 4)
 +                      notice_gpr_read(&usage[tex->src_gpr], id, tex->src_sel_y);
 +              if (tex->src_sel_z < 4)
 +                      notice_gpr_read(&usage[tex->src_gpr], id, tex->src_sel_z);
 +              if (tex->src_sel_w < 4)
 +                      notice_gpr_read(&usage[tex->src_gpr], id, tex->src_sel_w);
 +      }
 +      if (tex->dst_rel) {
 +              if (tex->dst_sel_x != 7)
 +                      notice_gpr_rel_write(usage, id, 0);
 +              if (tex->dst_sel_y != 7)
 +                      notice_gpr_rel_write(usage, id, 1);
 +              if (tex->dst_sel_z != 7)
 +                      notice_gpr_rel_write(usage, id, 2);
 +              if (tex->dst_sel_w != 7)
 +                      notice_gpr_rel_write(usage, id, 3);
 +      } else {
 +              if (tex->dst_sel_x != 7)
 +                      notice_gpr_write(&usage[tex->dst_gpr], id, 0, predicate, -1);
 +              if (tex->dst_sel_y != 7)
 +                      notice_gpr_write(&usage[tex->dst_gpr], id, 1, predicate, -1);
 +              if (tex->dst_sel_z != 7)
 +                      notice_gpr_write(&usage[tex->dst_gpr], id, 2, predicate, -1);
 +              if (tex->dst_sel_w != 7)
 +                      notice_gpr_write(&usage[tex->dst_gpr], id, 3, predicate, -1);
 +      }
 +}
 +
 +static void notice_vtx_gprs(struct r600_bc_vtx *vtx, struct gpr_usage usage[128],
 +                              int id, int predicate)
 +{
 +      notice_gpr_read(&usage[vtx->src_gpr], id, vtx->src_sel_x);
 +
 +      if (vtx->dst_sel_x != 7)
 +              notice_gpr_write(&usage[vtx->dst_gpr], id, 0, predicate, -1);
 +      if (vtx->dst_sel_y != 7)
 +              notice_gpr_write(&usage[vtx->dst_gpr], id, 1, predicate, -1);
 +      if (vtx->dst_sel_z != 7)
 +              notice_gpr_write(&usage[vtx->dst_gpr], id, 2, predicate, -1);
 +      if (vtx->dst_sel_w != 7)
 +              notice_gpr_write(&usage[vtx->dst_gpr], id, 3, predicate, -1);
 +}
 +
 +static void notice_export_gprs(struct r600_bc_cf *cf, struct gpr_usage usage[128],
 +                              struct r600_bc_cf *export_cf[128], int export_remap[128])
 +{
 +      //TODO handle other memory operations
 +      struct gpr_usage *output = &usage[cf->output.gpr];
 +      int id = MAX4(output->last_write[0], output->last_write[1],
 +              output->last_write[2], output->last_write[3]);
 +      id += 0x100;
 +      id &= ~0xFF;
 +
 +      export_cf[cf->output.gpr] = cf;
 +      export_remap[cf->output.gpr] = id;
 +      if (cf->output.swizzle_x < 4)
 +              notice_gpr_read(output, id, cf->output.swizzle_x);
 +      if (cf->output.swizzle_y < 4)
 +              notice_gpr_read(output, id, cf->output.swizzle_y);
 +      if (cf->output.swizzle_z < 4)
 +              notice_gpr_read(output, id, cf->output.swizzle_z);
 +      if (cf->output.swizzle_w < 4)
 +              notice_gpr_read(output, id, cf->output.swizzle_w);
 +}
 +
 +static struct gpr_usage_range *find_src_range(struct gpr_usage *usage, int id)
 +{
 +      unsigned i;
 +      for (i = 0; i < usage->nranges; ++i) {
 +              struct gpr_usage_range* range = &usage->ranges[i];
 +
 +              if (range->start < id && id <= range->end)
 +                      return range;
 +      }
 +      return NULL;
 +}
 +
 +static struct gpr_usage_range *find_dst_range(struct gpr_usage *usage, int id)
 +{
 +      unsigned i;
 +      for (i = 0; i < usage->nranges; ++i) {
 +              struct gpr_usage_range* range = &usage->ranges[i];
 +              int end = range->end;
 +
 +              if (range->start <= id && (id < end || end == -1))
 +                      return range;
 +      }
 +      return NULL;
 +}
 +
 +static int is_barrier_needed(struct gpr_usage *usage, int id, unsigned chan, int last_barrier)
 +{
 +      if (usage->last_write[chan] != (id & ~0xFF))
 +              return usage->last_write[chan] >= last_barrier;
 +      else
 +              return 0;
 +}
 +
 +static int is_intersection(struct gpr_usage_range* a, struct gpr_usage_range* b)
 +{
 +      return a->start <= b->end && b->start < a->end;
 +}
 +
 +static int rate_replacement(struct gpr_usage usage[128], unsigned current, unsigned gpr,
 +                              struct gpr_usage_range* range)
 +{
 +      int max_gpr = gpr + MAX2(range->rel_block, 1);
 +      int best_start = 0x3FFFFFFF, best_end = 0x3FFFFFFF;
 +      unsigned i;
 +
 +      for (; gpr < max_gpr; ++gpr) {
 +
 +              if (gpr >= 128) /* relative gpr block won't fit into clause temporaries */
 +                      return -1; /* forget it */
 +
 +              if (gpr == current) /* ignore ranges of to be replaced register */
 +                      continue;
 +
 +              for (i = 0; i < usage[gpr].nranges; ++i) {
 +                      if (usage[gpr].ranges[i].replacement < gpr)
 +                              continue; /* ignore already remapped ranges */
 +
 +                      if (is_intersection(&usage[gpr].ranges[i], range))
 +                              return -1; /* forget it if usages overlap */
 +
 +                      if (range->start >= usage[gpr].ranges[i].end)
 +                              best_start = MIN2(best_start, range->start - usage[gpr].ranges[i].end);
 +
 +                      if (range->end != -1 && range->end <= usage[gpr].ranges[i].start)
 +                              best_end = MIN2(best_end, usage[gpr].ranges[i].start - range->end);
 +              }
 +      }
 +      return best_start + best_end;
 +}
 +
 +static void find_replacement(struct gpr_usage usage[128], unsigned current,
 +                              struct gpr_usage_range *range)
 +{
 +      unsigned i, j;
 +      int best_gpr = -1, best_rate = 0x7FFFFFFF;
 +
 +      if (range->replacement == current)
 +              return; /* register prefers to be not remapped */
 +
 +      if (range->replacement != -1 && range->replacement <= current) {
 +              struct gpr_usage_range *other = find_src_range(&usage[range->replacement], range->start);
 +              if (other && other->replacement != -1)
 +                      range->replacement = other->replacement;
 +      }
 +
 +      if (range->replacement != -1 && range->replacement < current) {
 +              int rate = rate_replacement(usage, current, range->replacement, range);
 +
 +              /* check if prefered replacement can be used */
 +              if (rate != -1) {
 +                      best_rate = rate;
 +                      best_gpr = range->replacement;
 +              }
 +      }
 +
 +      if (best_gpr == -1 && (range->start & ~0xFF) == (range->end & ~0xFF)) {
 +              /* register is just used inside one ALU clause */
 +              /* try to use clause temporaries for it */
 +              for (i = 127; i > 123; --i) {
 +                      int rate = rate_replacement(usage, current, i, range);
 +
 +                      if (rate == -1) /* can't be used because ranges overlap */
 +                              continue;
 +
 +                      if (rate < best_rate) {
 +                              best_rate = rate;
 +                              best_gpr = i;
 +
 +                              /* can't get better than this */
 +                              if (rate == 0)
 +                                      break;
 +                      }
 +              }
 +      }
 +
 +      if (best_gpr == -1) {
 +              for (i = 0; i < current; ++i) {
 +                      int rate = rate_replacement(usage, current, i, range);
 +
 +                      if (rate == -1) /* can't be used because ranges overlap */
 +                              continue;
 +
 +                      if (rate < best_rate) {
 +                              best_rate = rate;
 +                              best_gpr = i;
 +
 +                              /* can't get better than this */
 +                              if (rate == 0)
 +                                      break;
 +                      }
 +              }
 +      }
 +
 +      if (best_gpr != -1) {
 +              struct gpr_usage_range *reservation = add_gpr_usage_range(&usage[best_gpr]);
 +              reservation->replacement = best_gpr;
 +              reservation->rel_block = -1;
 +              reservation->start = range->start;
 +              reservation->end = range->end;
 +      } else
 +              best_gpr = current;
 +
 +      range->replacement = best_gpr;
 +      if (range->rel_block == -1)
 +              return; /* no relative block to handle we are done here */
 +
 +      /* set prefered register for the whole relative register block */
 +      for (i = current + 1, ++best_gpr; i < current + range->rel_block; ++i, ++best_gpr) {
 +              for (j = 0; j < usage[i].nranges; ++j) {
 +                      if (is_intersection(&usage[i].ranges[j], range))
 +                              usage[i].ranges[j].replacement = best_gpr;
 +              }
 +      }
 +}
 +
 +static void replace_alu_gprs(struct r600_bc *bc, struct r600_bc_alu *alu, struct gpr_usage usage[128],
 +                              int id, int last_barrier, unsigned *barrier)
 +{
 +      struct gpr_usage *cur_usage;
 +      struct gpr_usage_range *range;
 +      unsigned src, num_src;
 +
 +      num_src = r600_bc_get_num_operands(bc, alu);
 +      for (src = 0; src < num_src; ++src) {
 +              // constants doesn't matter
 +              if (!is_gpr(alu->src[src].sel))
 +                      continue;
 +
 +              cur_usage = &usage[alu->src[src].sel];
 +              range = find_src_range(cur_usage, id);
 +              alu->src[src].sel = range->replacement;
 +
 +              *barrier |= is_barrier_needed(cur_usage, id, alu->src[src].chan, last_barrier);
 +      }
 +
 +      if (alu->dst.write) {
 +              cur_usage = &usage[alu->dst.sel];
 +              range = find_dst_range(cur_usage, id);
 +              if (!range || range->replacement == -1) {
 +                      if (!alu->is_op3)
 +                              alu->dst.write = 0;
 +                      else
 +                              /*TODO: really check that register 123 is useable */
 +                              alu->dst.sel = 123;
 +              } else {
 +                      alu->dst.sel = range->replacement;
 +                      *barrier |= is_barrier_needed(cur_usage, id, alu->dst.chan, last_barrier);
 +              }
 +      }
 +      if (alu->dst.write) {
 +              if (alu->dst.rel)
 +                      notice_gpr_rel_last_write(usage, id, alu->dst.chan);
 +              else
 +                      notice_gpr_last_write(cur_usage, id, alu->dst.chan);
 +      }
 +}
 +
 +static void replace_tex_gprs(struct r600_bc_tex *tex, struct gpr_usage usage[128],
 +                              int id, int last_barrier, unsigned *barrier)
 +{
 +      struct gpr_usage *cur_usage = &usage[tex->src_gpr];
 +      struct gpr_usage_range *range = find_src_range(cur_usage, id);
 +
 +      if (tex->src_rel) {
 +              *barrier = 1;
 +        } else {
 +              if (tex->src_sel_x < 4)
 +                      *barrier |= is_barrier_needed(cur_usage, id, tex->src_sel_x, last_barrier);
 +              if (tex->src_sel_y < 4)
 +                      *barrier |= is_barrier_needed(cur_usage, id, tex->src_sel_y, last_barrier);
 +              if (tex->src_sel_z < 4)
 +                      *barrier |= is_barrier_needed(cur_usage, id, tex->src_sel_z, last_barrier);
 +              if (tex->src_sel_w < 4)
 +                      *barrier |= is_barrier_needed(cur_usage, id, tex->src_sel_w, last_barrier);
 +      }
 +      tex->src_gpr = range->replacement;
 +
 +      cur_usage = &usage[tex->dst_gpr];
 +
 +      range = find_dst_range(cur_usage, id);
 +      if (range) {
 +              tex->dst_gpr = range->replacement;
 +
 +              if (tex->dst_rel) {
 +                      if (tex->dst_sel_x != 7)
 +                              notice_gpr_rel_last_write(usage, id, tex->dst_sel_x);
 +                      if (tex->dst_sel_y != 7)
 +                              notice_gpr_rel_last_write(usage, id, tex->dst_sel_y);
 +                      if (tex->dst_sel_z != 7)
 +                              notice_gpr_rel_last_write(usage, id, tex->dst_sel_z);
 +                      if (tex->dst_sel_w != 7)
 +                              notice_gpr_rel_last_write(usage, id, tex->dst_sel_w);
 +              } else {
 +                      if (tex->dst_sel_x != 7)
 +                              notice_gpr_last_write(cur_usage, id, tex->dst_sel_x);
 +                      if (tex->dst_sel_y != 7)
 +                              notice_gpr_last_write(cur_usage, id, tex->dst_sel_y);
 +                      if (tex->dst_sel_z != 7)
 +                              notice_gpr_last_write(cur_usage, id, tex->dst_sel_z);
 +                      if (tex->dst_sel_w != 7)
 +                              notice_gpr_last_write(cur_usage, id, tex->dst_sel_w);
 +              }
 +      } else {
 +              tex->dst_gpr = 123;
 +      }
 +}
 +
 +static void replace_vtx_gprs(struct r600_bc_vtx *vtx, struct gpr_usage usage[128],
 +                              int id, int last_barrier, unsigned *barrier)
 +{
 +      struct gpr_usage *cur_usage = &usage[vtx->src_gpr];
 +      struct gpr_usage_range *range = find_src_range(cur_usage, id);
 +
 +      *barrier |= is_barrier_needed(cur_usage, id, vtx->src_sel_x, last_barrier);
 +
 +      vtx->src_gpr = range->replacement;
 +
 +      cur_usage = &usage[vtx->dst_gpr];
 +      range = find_dst_range(cur_usage, id);
 +      if (range) {
 +              vtx->dst_gpr = range->replacement;
 +
 +              if (vtx->dst_sel_x != 7)
 +                      notice_gpr_last_write(cur_usage, id, vtx->dst_sel_x);
 +              if (vtx->dst_sel_y != 7)
 +                      notice_gpr_last_write(cur_usage, id, vtx->dst_sel_y);
 +              if (vtx->dst_sel_z != 7)
 +                      notice_gpr_last_write(cur_usage, id, vtx->dst_sel_z);
 +              if (vtx->dst_sel_w != 7)
 +                      notice_gpr_last_write(cur_usage, id, vtx->dst_sel_w);
 +      } else {
 +              vtx->dst_gpr = 123;
 +      }
 +}
 +
 +static void replace_export_gprs(struct r600_bc_cf *cf, struct gpr_usage usage[128],
 +                              int id, int last_barrier)
 +{
 +      //TODO handle other memory operations
 +      struct gpr_usage *cur_usage = &usage[cf->output.gpr];
 +      struct gpr_usage_range *range = find_src_range(cur_usage, id);
 +
 +      cf->barrier = 0;
 +      if (cf->output.swizzle_x < 4)
 +              cf->barrier |= is_barrier_needed(cur_usage, -1, cf->output.swizzle_x, last_barrier);
 +      if (cf->output.swizzle_y < 4)
 +              cf->barrier |= is_barrier_needed(cur_usage, -1, cf->output.swizzle_y, last_barrier);
 +      if (cf->output.swizzle_z < 4)
 +              cf->barrier |= is_barrier_needed(cur_usage, -1, cf->output.swizzle_z, last_barrier);
 +      if (cf->output.swizzle_w < 4)
 +              cf->barrier |= is_barrier_needed(cur_usage, -1, cf->output.swizzle_w, last_barrier);
 +
 +      cf->output.gpr = range->replacement;
 +}
 +
 +static void optimize_alu_inst(struct r600_bc *bc, struct r600_bc_cf *cf, struct r600_bc_alu *alu)
 +{
 +      struct r600_bc_alu *alu_next;
 +      unsigned chan;
 +      unsigned src, num_src;
 +
 +      /* check if a MOV could be optimized away */
 +      if (alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MOV) {
 +
 +              /* destination equals source? */
 +              if (alu->dst.sel != alu->src[0].sel ||
 +                      alu->dst.chan != alu->src[0].chan)
 +                      return;
 +
 +              /* any special handling for the source? */
 +              if (alu->src[0].rel || alu->src[0].neg || alu->src[0].abs)
 +                      return;
 +
 +              /* any special handling for destination? */
 +              if (alu->dst.rel || alu->dst.clamp)
 +                      return;
 +
 +              /* ok find next instruction group and check if ps/pv is used */
 +              for (alu_next = alu; !alu_next->last; alu_next = NEXT_ALU(alu_next));
 +
 +              if (alu_next->list.next != &cf->alu) {
 +                      chan = is_alu_reduction_inst(bc, alu) ? 0 : alu->dst.chan;
 +                      for (alu_next = NEXT_ALU(alu_next); alu_next; alu_next = NEXT_ALU(alu_next)) {
 +                              num_src = r600_bc_get_num_operands(bc, alu_next);
 +                              for (src = 0; src < num_src; ++src) {
 +                                      if (alu_next->src[src].sel == V_SQ_ALU_SRC_PV &&
 +                                              alu_next->src[src].chan == chan)
 +                                              return;
 +
 +                                      if (alu_next->src[src].sel == V_SQ_ALU_SRC_PS)
 +                                              return;
 +                              }
 +
 +                              if (alu_next->last)
 +                                      break;
 +                      }
 +              }
 +
 +              r600_bc_remove_alu(cf, alu);
 +      }
 +}
 +
 +static void optimize_export_inst(struct r600_bc *bc, struct r600_bc_cf *cf)
 +{
 +      struct r600_bc_cf *prev = LIST_ENTRY(struct r600_bc_cf, cf->list.prev, list);
 +      if (&prev->list == &bc->cf ||
 +              prev->inst != cf->inst ||
 +              prev->output.type != cf->output.type ||
 +              prev->output.elem_size != cf->output.elem_size ||
 +              prev->output.swizzle_x != cf->output.swizzle_x ||
 +              prev->output.swizzle_y != cf->output.swizzle_y ||
 +              prev->output.swizzle_z != cf->output.swizzle_z ||
 +              prev->output.swizzle_w != cf->output.swizzle_w)
 +              return;
 +
 +      if ((prev->output.burst_count + cf->output.burst_count) > 16)
 +              return;
 +
 +      if ((prev->output.gpr + prev->output.burst_count) == cf->output.gpr &&
 +              (prev->output.array_base + prev->output.burst_count) == cf->output.array_base) {
 +
 +              prev->output.burst_count += cf->output.burst_count;
 +              r600_bc_remove_cf(bc, cf);
 +
 +      } else if (prev->output.gpr == (cf->output.gpr + cf->output.burst_count) &&
 +              prev->output.array_base == (cf->output.array_base + cf->output.burst_count)) {
 +
 +              cf->output.burst_count += prev->output.burst_count;
 +              r600_bc_remove_cf(bc, prev);
 +      }
 +}
 +
 +static void r600_bc_optimize(struct r600_bc *bc)
 +{
 +      struct r600_bc_cf *cf, *next_cf;
 +      struct r600_bc_alu *first, *next_alu;
 +      struct r600_bc_alu *alu;
 +      struct r600_bc_vtx *vtx;
 +      struct r600_bc_tex *tex;
 +      struct gpr_usage usage[128];
 +
 +      /* assume that each gpr is exported only once */
 +      struct r600_bc_cf *export_cf[128] = { NULL };
 +      int export_remap[128];
 +
 +      int id, cond_start, barrier[bc->nstack];
 +      unsigned i, j, stack, predicate, old_stack;
 +
 +      memset(&usage, 0, sizeof(usage));
 +      for (i = 0; i < 128; ++i) {
 +              usage[i].first_write = -1;
 +              usage[i].last_write[0] = -1;
 +              usage[i].last_write[1] = -1;
 +              usage[i].last_write[2] = -1;
 +              usage[i].last_write[3] = -1;
 +      }
 +
 +      /* first gather some informations about the gpr usage */
 +      id = 0; stack = 0;
 +      LIST_FOR_EACH_ENTRY(cf, &bc->cf, list) {
 +              old_stack = stack;
 +              if (stack == 0)
 +                      cond_start = stack;
 +
 +              switch (r600_bc_cf_class(cf)) {
 +              case CF_CLASS_ALU:
 +                      predicate = 0;
 +                      first = NULL;
 +                      LIST_FOR_EACH_ENTRY(alu, &cf->alu, list) {
 +                              if (!first)
 +                                      first = alu;
 +                              notice_alu_src_gprs(bc, alu, usage, id);
 +                              if (alu->last) {
 +                                      notice_alu_dst_gprs(first, usage, id, predicate || stack > 0);
 +                                      first = NULL;
 +                                      ++id;
 +                              }
 +                              if (is_alu_pred_inst(bc, alu))
 +                                      predicate++;
 +                      }
 +                      if (cf->inst == V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_PUSH_BEFORE << 3)
 +                              stack += predicate;
 +                      else if (cf->inst == V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_POP_AFTER << 3)
 +                              stack -= 1;
 +                      else if (cf->inst == V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_POP2_AFTER << 3)
 +                              stack -= 2;
 +                      break;
 +              case CF_CLASS_TEXTURE:
 +                      LIST_FOR_EACH_ENTRY(tex, &cf->tex, list) {
 +                              notice_tex_gprs(bc, tex, usage, id++, stack > 0);
 +                      }
 +                      break;
 +              case CF_CLASS_VERTEX:
 +                      LIST_FOR_EACH_ENTRY(vtx, &cf->vtx, list) {
 +                              notice_vtx_gprs(vtx, usage, id++, stack > 0);
 +                      }
 +                      break;
 +              case CF_CLASS_EXPORT:
 +                      notice_export_gprs(cf, usage, export_cf, export_remap);
 +                      continue; // don't increment id
 +              case CF_CLASS_OTHER:
 +                      switch (cf->inst) {
 +                      case V_SQ_CF_WORD1_SQ_CF_INST_JUMP:
 +                      case V_SQ_CF_WORD1_SQ_CF_INST_ELSE:
 +                      case V_SQ_CF_WORD1_SQ_CF_INST_CALL_FS:
 +                              break;
 +
 +                      case V_SQ_CF_WORD1_SQ_CF_INST_POP:
 +                              stack -= cf->pop_count;
 +                              break;
 +
 +                      default:
 +                              // TODO implement loop handling
 +                              goto out;
 +                      }
 +              }
 +
 +              /* extend last_write after conditional block */
 +              if (stack == 0 && old_stack != 0)
 +                      for (i = 0; i < 128; ++i)
 +                              for (j = 0; j < 4; ++j)
 +                                      if (usage[i].last_write[j] >= cond_start)
 +                                              usage[i].last_write[j] = id;
 +
 +              id += 0x100;
 +              id &= ~0xFF;
 +      }
 +      assert(stack == 0);
 +
 +      /* try to optimize gpr usage */
 +      for (i = 0; i < 124; ++i) {
 +              for (j = 0; j < usage[i].nranges; ++j) {
 +                      struct gpr_usage_range *range = &usage[i].ranges[j];
 +                      if (range->start == -1)
 +                              /* can't rearange shader inputs */
 +                              range->replacement = i;
 +                      else if (range->end == -1)
 +                              /* gpr isn't used any more after this instruction */
 +                              range->replacement = -1;
 +                      else
 +                              find_replacement(usage, i, range);
 +
 +                      if (range->replacement == i)
 +                              bc->ngpr = i;
 +                      else if (range->replacement < i && range->replacement > bc->ngpr)
 +                              bc->ngpr = range->replacement;
 +              }
 +      }
 +      bc->ngpr++;
 +
 +      /* apply the changes */
 +      for (i = 0; i < 128; ++i) {
 +              usage[i].last_write[0] = -1;
 +              usage[i].last_write[1] = -1;
 +              usage[i].last_write[2] = -1;
 +              usage[i].last_write[3] = -1;
 +      }
 +      barrier[0] = 0;
 +      id = 0; stack = 0;
 +      LIST_FOR_EACH_ENTRY_SAFE(cf, next_cf, &bc->cf, list) {
 +              old_stack = stack;
 +              switch (r600_bc_cf_class(cf)) {
 +              case CF_CLASS_ALU:
 +                      predicate = 0;
 +                      first = NULL;
 +                      cf->barrier = 0;
 +                      LIST_FOR_EACH_ENTRY_SAFE(alu, next_alu, &cf->alu, list) {
 +                              replace_alu_gprs(bc, alu, usage, id, barrier[stack], &cf->barrier);
 +                              if (alu->last)
 +                                      ++id;
 +
 +                              if (is_alu_pred_inst(bc, alu))
 +                                      predicate++;
 +
 +                              if (cf->inst == V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3)
 +                                      optimize_alu_inst(bc, cf, alu);
 +                      }
 +                      if (cf->inst == V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_PUSH_BEFORE << 3)
 +                              stack += predicate;
 +                      else if (cf->inst == V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_POP_AFTER << 3)
 +                              stack -= 1;
 +                      else if (cf->inst == V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_POP2_AFTER << 3)
 +                              stack -= 2;
 +                      if (LIST_IS_EMPTY(&cf->alu)) {
 +                              r600_bc_remove_cf(bc, cf);
 +                              cf = NULL;
 +                      }
 +                      break;
 +              case CF_CLASS_TEXTURE:
 +                      cf->barrier = 0;
 +                      LIST_FOR_EACH_ENTRY(tex, &cf->tex, list) {
 +                              replace_tex_gprs(tex, usage, id++, barrier[stack], &cf->barrier);
 +                      }
 +                      break;
 +              case CF_CLASS_VERTEX:
 +                      cf->barrier = 0;
 +                      LIST_FOR_EACH_ENTRY(vtx, &cf->vtx, list) {
 +                              replace_vtx_gprs(vtx, usage, id++, barrier[stack], &cf->barrier);
 +                      }
 +                      break;
 +              case CF_CLASS_EXPORT:
 +                      continue; // don't increment id
 +              case CF_CLASS_OTHER:
 +                      if (cf->inst == V_SQ_CF_WORD1_SQ_CF_INST_POP) {
 +                              cf->barrier = 0;
 +                              stack -= cf->pop_count;
 +                      }
 +                      break;
 +              }
 +
 +              id &= ~0xFF;
 +              if (cf && cf->barrier)
 +                      barrier[old_stack] = id;
 +
 +              for (i = old_stack + 1; i <= stack; ++i)
 +                      barrier[i] = barrier[old_stack];
 +
 +              id += 0x100;
 +              if (stack != 0) /* ensure exports are placed outside of conditional blocks */
 +                      continue;
 +
 +              for (i = 0; i < 128; ++i) {
 +                      if (!export_cf[i] || id < export_remap[i])
 +                              continue;
 +
 +                      r600_bc_move_cf(bc, export_cf[i], next_cf);
 +                      replace_export_gprs(export_cf[i], usage, export_remap[i], barrier[stack]);
 +                      if (export_cf[i]->barrier)
 +                              barrier[stack] = id - 1;
 +                      next_cf = LIST_ENTRY(struct r600_bc_cf, export_cf[i]->list.next, list);
 +                      optimize_export_inst(bc, export_cf[i]);
 +                      export_cf[i] = NULL;
 +              }
 +      }
 +      assert(stack == 0);
 +
 +out:
 +      for (i = 0; i < 128; ++i) {
 +              free(usage[i].ranges);
 +      }
 +}
 +
  int r600_bc_build(struct r600_bc *bc)
  {
        struct r600_bc_cf *cf;
        struct r600_bc_alu *alu;
        struct r600_bc_vtx *vtx;
        struct r600_bc_tex *tex;
 +      struct r600_bc_cf *exports[4] = { NULL };
        uint32_t literal[4];
        unsigned nliteral;
        unsigned addr;
                bc->nstack = 1;
        }
  
 +      //r600_bc_optimize(bc);
 +
        /* first path compute addr of each CF block */
        /* addr start after all the CF instructions */
 -      addr = bc->cf_last->id + 2;
 +      addr = LIST_ENTRY(struct r600_bc_cf, bc->cf.prev, list)->id + 2;
        LIST_FOR_EACH_ENTRY(cf, &bc->cf, list) {
 -              switch (cf->inst) {
 -              case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3):
 -              case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_POP_AFTER << 3):
 -              case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_POP2_AFTER << 3):
 -              case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_PUSH_BEFORE << 3):
 +              switch (r600_bc_cf_class(cf)) {
 +              case CF_CLASS_ALU:
                        break;
 -              case V_SQ_CF_WORD1_SQ_CF_INST_TEX:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_VTX:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_VTX_TC:
 +              case CF_CLASS_TEXTURE:
 +              case CF_CLASS_VERTEX:
                        /* fetch node need to be 16 bytes aligned*/
                        addr += 3;
                        addr &= 0xFFFFFFFCUL;
                        break;
 -              case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT:
 -              case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE:
 -              case EG_V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT:
 -              case EG_V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE:
 +              case CF_CLASS_EXPORT:
 +                      if (cf->inst == BC_INST(bc, V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT))
 +                              exports[cf->output.type] = cf;
                        break;
 -              case V_SQ_CF_WORD1_SQ_CF_INST_JUMP:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_ELSE:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_POP:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_LOOP_START_NO_AL:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_LOOP_END:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_LOOP_CONTINUE:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_LOOP_BREAK:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_CALL_FS:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_RETURN:
 +              case CF_CLASS_OTHER:
                        break;
                default:
                        R600_ERR("unsupported CF instruction (0x%X)\n", cf->inst);
                addr += cf->ndw;
                bc->ndw = cf->addr + cf->ndw;
        }
 +
 +      /* set export done on last export of each type */
 +      for (i = 0; i < 4; ++i) {
 +              if (exports[i]) {
 +                      exports[i]->inst = BC_INST(bc, V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE);
 +              }
 +      }
 +
        free(bc->bytecode);
        bc->bytecode = calloc(1, bc->ndw * 4);
        if (bc->bytecode == NULL)
                        r = r600_bc_cf_build(bc, cf);
                if (r)
                        return r;
 -              switch (cf->inst) {
 -              case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3):
 -              case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_POP_AFTER << 3):
 -              case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_POP2_AFTER << 3):
 -              case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_PUSH_BEFORE << 3):
 +              switch (r600_bc_cf_class(cf)) {
 +              case CF_CLASS_ALU:
                        nliteral = 0;
                        memset(literal, 0, sizeof(literal));
                        LIST_FOR_EACH_ENTRY(alu, &cf->alu, list) {
                                }
                        }
                        break;
 -              case V_SQ_CF_WORD1_SQ_CF_INST_VTX:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_VTX_TC:
 +              case CF_CLASS_VERTEX:
                        LIST_FOR_EACH_ENTRY(vtx, &cf->vtx, list) {
                                r = r600_bc_vtx_build(bc, vtx, addr);
                                if (r)
                                addr += 4;
                        }
                        break;
 -              case V_SQ_CF_WORD1_SQ_CF_INST_TEX:
 +              case CF_CLASS_TEXTURE:
                        LIST_FOR_EACH_ENTRY(tex, &cf->tex, list) {
                                r = r600_bc_tex_build(bc, tex, addr);
                                if (r)
                                addr += 4;
                        }
                        break;
 -              case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT:
 -              case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE:
 -              case EG_V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT:
 -              case EG_V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_LOOP_START_NO_AL:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_LOOP_END:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_LOOP_CONTINUE:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_LOOP_BREAK:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_JUMP:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_ELSE:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_POP:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_CALL_FS:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_RETURN:
 +              case CF_CLASS_EXPORT:
 +              case CF_CLASS_OTHER:
                        break;
                default:
                        R600_ERR("unsupported CF instruction (0x%X)\n", cf->inst);
@@@ -2629,10 -1735,13 +2631,10 @@@ void r600_bc_dump(struct r600_bc *bc
        LIST_FOR_EACH_ENTRY(cf, &bc->cf, list) {
                id = cf->id;
  
 -              switch (cf->inst) {
 -              case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU << 3):
 -              case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_POP_AFTER << 3):
 -              case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_POP2_AFTER << 3):
 -              case (V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_PUSH_BEFORE << 3):
 +              switch (r600_bc_cf_class(cf)) {
 +              case CF_CLASS_ALU:
                        fprintf(stderr, "%04d %08X ALU ", id, bc->bytecode[id]);
 -                      fprintf(stderr, "ADDR:%d ", cf->addr);
 +                      fprintf(stderr, "ADDR:%04d ", cf->addr);
                        fprintf(stderr, "KCACHE_MODE0:%X ", cf->kcache[0].mode);
                        fprintf(stderr, "KCACHE_BANK0:%X ", cf->kcache[0].bank);
                        fprintf(stderr, "KCACHE_BANK1:%X\n", cf->kcache[1].bank);
                        fprintf(stderr, "KCACHE_MODE1:%X ", cf->kcache[1].mode);
                        fprintf(stderr, "KCACHE_ADDR0:%X ", cf->kcache[0].addr);
                        fprintf(stderr, "KCACHE_ADDR1:%X ", cf->kcache[1].addr);
 +                      fprintf(stderr, "BARRIER:%d ", cf->barrier);
                        fprintf(stderr, "COUNT:%d\n", cf->ndw / 2);
                        break;
 -              case V_SQ_CF_WORD1_SQ_CF_INST_TEX:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_VTX:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_VTX_TC:
 +              case CF_CLASS_TEXTURE:
 +              case CF_CLASS_VERTEX:
                        fprintf(stderr, "%04d %08X TEX/VTX ", id, bc->bytecode[id]);
 -                      fprintf(stderr, "ADDR:%d\n", cf->addr);
 +                      fprintf(stderr, "ADDR:%04d\n", cf->addr);
                        id++;
                        fprintf(stderr, "%04d %08X TEX/VTX ", id, bc->bytecode[id]);
                        fprintf(stderr, "INST:%d ", cf->inst);
 +                      fprintf(stderr, "BARRIER:%d ", cf->barrier);
                        fprintf(stderr, "COUNT:%d\n", cf->ndw / 4);
                        break;
 -              case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT:
 -              case V_SQ_CF_ALLOC_EXPORT_WORD1_SQ_CF_INST_EXPORT_DONE:
 +              case CF_CLASS_EXPORT:
                        fprintf(stderr, "%04d %08X EXPORT ", id, bc->bytecode[id]);
 -                      fprintf(stderr, "GPR:%X ", cf->output.gpr);
 +                      fprintf(stderr, "GPR:%d ", cf->output.gpr);
                        fprintf(stderr, "ELEM_SIZE:%X ", cf->output.elem_size);
                        fprintf(stderr, "ARRAY_BASE:%X ", cf->output.array_base);
                        fprintf(stderr, "TYPE:%X\n", cf->output.type);
                        fprintf(stderr, "SWIZ_Y:%X ", cf->output.swizzle_y);
                        fprintf(stderr, "SWIZ_Z:%X ", cf->output.swizzle_z);
                        fprintf(stderr, "SWIZ_W:%X ", cf->output.swizzle_w);
 -                      fprintf(stderr, "BARRIER:%X ", cf->output.barrier);
 -                      fprintf(stderr, "INST:%d ", cf->output.inst);
 -                      fprintf(stderr, "BURST_COUNT:%d ", cf->output.burst_count);
 -                      fprintf(stderr, "EOP:%X\n", cf->output.end_of_program);
 +                      fprintf(stderr, "BARRIER:%d ", cf->barrier);
 +                      fprintf(stderr, "INST:%d ", cf->inst);
 +                      fprintf(stderr, "BURST_COUNT:%d\n", cf->output.burst_count);
                        break;
 -              case V_SQ_CF_WORD1_SQ_CF_INST_JUMP:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_ELSE:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_POP:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_LOOP_START_NO_AL:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_LOOP_END:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_LOOP_CONTINUE:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_LOOP_BREAK:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_CALL_FS:
 -              case V_SQ_CF_WORD1_SQ_CF_INST_RETURN:
 +              case CF_CLASS_OTHER:
                        fprintf(stderr, "%04d %08X CF ", id, bc->bytecode[id]);
 -                      fprintf(stderr, "ADDR:%d\n", cf->cf_addr);
 +                      fprintf(stderr, "ADDR:%04d\n", cf->cf_addr);
                        id++;
                        fprintf(stderr, "%04d %08X CF ", id, bc->bytecode[id]);
                        fprintf(stderr, "INST:%d ", cf->inst);
                        fprintf(stderr, "COND:%X ", cf->cond);
 +                      fprintf(stderr, "BARRIER:%d ", cf->barrier);
                        fprintf(stderr, "POP_COUNT:%X\n", cf->pop_count);
                        break;
                }
@@@ -2980,57 -2097,12 +2982,12 @@@ int r600_vertex_elements_build_fetch_sh
                        struct r600_bc_alu alu;
  
                        memset(&alu, 0, sizeof(alu));
-                       alu.inst = BC_INST(&bc, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_INT_TO_FLT);
+                       alu.inst = BC_INST(&bc, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MULHI_UINT);
                        alu.src[0].sel = 0;
                        alu.src[0].chan = 3;
  
-                       alu.dst.sel = i + 1;
-                       alu.dst.chan = 3;
-                       alu.dst.write = 1;
-                       alu.last = 1;
-                       if ((r = r600_bc_add_alu(&bc, &alu))) {
-                               r600_bc_clear(&bc);
-                               return r;
-                       }
-                       memset(&alu, 0, sizeof(alu));
-                       alu.inst = BC_INST(&bc, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_MUL);
-                       alu.src[0].sel = i + 1;
-                       alu.src[0].chan = 3;
                        alu.src[1].sel = V_SQ_ALU_SRC_LITERAL;
-                       alu.src[1].value = fui(1.0f / (float)elements[i].instance_divisor);
-                       alu.dst.sel = i + 1;
-                       alu.dst.chan = 3;
-                       alu.dst.write = 1;
-                       alu.last = 1;
-                       if ((r = r600_bc_add_alu(&bc, &alu))) {
-                               r600_bc_clear(&bc);
-                               return r;
-                       }
-                       memset(&alu, 0, sizeof(alu));
-                       alu.inst = BC_INST(&bc, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_TRUNC);
-                       alu.src[0].sel = i + 1;
-                       alu.src[0].chan = 3;
-                       alu.dst.sel = i + 1;
-                       alu.dst.chan = 3;
-                       alu.dst.write = 1;
-                       alu.last = 1;
-                       if ((r = r600_bc_add_alu(&bc, &alu))) {
-                               r600_bc_clear(&bc);
-                               return r;
-                       }
-                       memset(&alu, 0, sizeof(alu));
-                       alu.inst = BC_INST(&bc, V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_FLT_TO_INT);
-                       alu.src[0].sel = i + 1;
-                       alu.src[0].chan = 3;
+                       alu.src[1].value = (1l << 32) / elements[i].instance_divisor + 1;
  
                        alu.dst.sel = i + 1;
                        alu.dst.chan = 3;
        }
  
        r600_bc_add_cfinst(&bc, BC_INST(&bc, V_SQ_CF_WORD1_SQ_CF_INST_RETURN));
 +      r600_bc_add_cfinst(&bc, BC_INST(&bc, V_SQ_CF_WORD1_SQ_CF_INST_NOP));
  
-       /* use PIPE_BIND_VERTEX_BUFFER so we use the cache buffer manager */
-       ve->fetch_shader = r600_bo(rctx->radeon, bc.ndw*4, 256, PIPE_BIND_VERTEX_BUFFER, 0);
-       if (ve->fetch_shader == NULL) {
-               r600_bc_clear(&bc);
-               return -ENOMEM;
-       }
-       ve->fs_size = bc.ndw*4;
        if ((r = r600_bc_build(&bc))) {
                r600_bc_clear(&bc);
                return r;
                fprintf(stderr, "______________________________________________________________\n");
        }
  
+       ve->fs_size = bc.ndw*4;
+       /* use PIPE_BIND_VERTEX_BUFFER so we use the cache buffer manager */
+       ve->fetch_shader = r600_bo(rctx->radeon, ve->fs_size, 256, PIPE_BIND_VERTEX_BUFFER, 0);
+       if (ve->fetch_shader == NULL) {
+               r600_bc_clear(&bc);
+               return -ENOMEM;
+       }
        bytecode = r600_bo_map(rctx->radeon, ve->fetch_shader, 0, NULL);
        if (bytecode == NULL) {
                r600_bc_clear(&bc);