diff options
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_program.c | 44 |
1 files changed, 28 insertions, 16 deletions
diff --git a/src/gallium/drivers/nv50/nv50_program.c b/src/gallium/drivers/nv50/nv50_program.c index a85587b986..7d1b5fd82c 100644 --- a/src/gallium/drivers/nv50/nv50_program.c +++ b/src/gallium/drivers/nv50/nv50_program.c @@ -285,22 +285,6 @@ alloc_temp(struct nv50_pc *pc, struct nv50_reg *dst) return NULL; } -/* Assign the hw of the discarded temporary register src - * to the tgsi register dst and free src. - */ -static void -assimilate_temp(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) -{ - assert(src->index == -1 && src->hw != -1); - - if (dst->hw != -1) - pc->r_temp[dst->hw] = NULL; - pc->r_temp[src->hw] = dst; - dst->hw = src->hw; - - FREE(src); -} - /* release the hardware resource held by r */ static void release_hw(struct nv50_pc *pc, struct nv50_reg *r) @@ -721,6 +705,34 @@ emit_mov_immdval(struct nv50_pc *pc, struct nv50_reg *dst, float f) FREE(imm); } +/* Assign the hw of the discarded temporary register src + * to the tgsi register dst and free src. + */ +static void +assimilate_temp(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src) +{ + assert(src->index == -1 && src->hw != -1); + + if (pc->if_lvl || pc->loop_lvl || + (dst->type != P_TEMP) || + (src->hw < pc->result_nr * 4 && + pc->p->type == PIPE_SHADER_FRAGMENT) || + pc->p->info.opcode_count[TGSI_OPCODE_CAL] || + pc->p->info.opcode_count[TGSI_OPCODE_BRA]) { + + emit_mov(pc, dst, src); + free_temp(pc, src); + return; + } + + if (dst->hw != -1) + pc->r_temp[dst->hw] = NULL; + pc->r_temp[src->hw] = dst; + dst->hw = src->hw; + + FREE(src); +} + static void emit_nop(struct nv50_pc *pc) { |