diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp b/src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp index e406c2899e8..8792a8c7b1d 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_saturate_propagation.cpp @@ -52,11 +52,12 @@ opt_saturate_propagation_local(fs_visitor *v, bblock_t *block) ip--; if (inst->opcode != BRW_OPCODE_MOV || + !inst->saturate || inst->dst.file != GRF || + inst->dst.type != inst->src[0].type || inst->src[0].file != GRF || inst->src[0].abs || - inst->src[0].negate || - !inst->saturate) + inst->src[0].negate) continue; int src_var = v->live_intervals->var_from_reg(inst->src[0]); @@ -65,7 +66,9 @@ opt_saturate_propagation_local(fs_visitor *v, bblock_t *block) bool interfered = false; foreach_inst_in_block_reverse_starting_from(fs_inst, scan_inst, inst, block) { if (scan_inst->overwrites_reg(inst->src[0])) { - if (scan_inst->is_partial_write()) + if (scan_inst->is_partial_write() || + (scan_inst->dst.type != inst->dst.type && + !scan_inst->can_change_types())) break; if (scan_inst->saturate) { @@ -73,6 +76,12 @@ opt_saturate_propagation_local(fs_visitor *v, bblock_t *block) progress = true; } else if (src_end_ip <= ip || inst->dst.equals(inst->src[0])) { if (scan_inst->can_do_saturate()) { + if (scan_inst->dst.type != inst->dst.type) { + scan_inst->dst.type = inst->dst.type; + for (int i = 0; i < scan_inst->sources; i++) { + scan_inst->src[i].type = inst->dst.type; + } + } scan_inst->saturate = true; inst->saturate = false; progress = true; |