diff options
| author | Tom Stellard <thomas.stellard@amd.com> | 2012-09-03 08:25:13 -0400 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2012-09-19 19:25:53 -0400 |
| commit | 9282adcae9b05399ae0e44881db1f8b0e8368d0a (patch) | |
| tree | 2235049c2e30d7ad143b0ce61bd8be9c2f42bef2 | |
| parent | e0f64a837f58d50b4eb7d3d38ad6f188e767c045 (diff) | |
r300/compiler: Don't create register classes for inputs
| -rw-r--r-- | src/gallium/drivers/r300/compiler/radeon_pair_regalloc.c | 15 |
1 files changed, 1 insertions, 14 deletions
diff --git a/src/gallium/drivers/r300/compiler/radeon_pair_regalloc.c b/src/gallium/drivers/r300/compiler/radeon_pair_regalloc.c index 85bb248b127..12594c81966 100644 --- a/src/gallium/drivers/r300/compiler/radeon_pair_regalloc.c +++ b/src/gallium/drivers/r300/compiler/radeon_pair_regalloc.c @@ -539,7 +539,6 @@ static void do_advanced_regalloc(struct regalloc_state * s) unsigned int i, j, index, input_node, node_count, node_index; unsigned int * node_classes; - unsigned int * input_classes; struct rc_instruction * inst; struct rc_list * var_ptr; struct rc_list * variables; @@ -554,8 +553,6 @@ static void do_advanced_regalloc(struct regalloc_state * s) node_count = rc_list_count(variables); node_classes = memory_pool_malloc(&s->C->Pool, node_count * sizeof(unsigned int)); - input_classes = memory_pool_malloc(&s->C->Pool, - s->NumInputs * sizeof(unsigned int)); for (var_ptr = variables, node_index = 0; var_ptr; var_ptr = var_ptr->Next, node_index++) { @@ -610,7 +607,7 @@ static void do_advanced_regalloc(struct regalloc_state * s) rc_for_all_reads_mask(inst, scan_read_callback, s); } - /* Create classes for input registers */ + /* Compute the writemask for inputs. */ for (i = 0; i < s->NumInputs; i++) { unsigned int chan, class_id, writemask = 0; for (chan = 0; chan < 4; chan++) { @@ -619,14 +616,6 @@ static void do_advanced_regalloc(struct regalloc_state * s) } } s->Input[i].Writemask = writemask; - if (!writemask) { - continue; - } - - class_id = ra_alloc_reg_class(regs); - input_classes[i] = class_id; - ra_class_add_reg(regs, class_id, - get_reg_id(s->Input[i].Index, writemask)); } ra_set_finalize(regs, NULL); @@ -663,8 +652,6 @@ static void do_advanced_regalloc(struct regalloc_state * s) if (!s->Input[i].Writemask) { continue; } - ra_set_node_class(graph, node_count + input_node, - input_classes[i]); for (var_ptr = variables, node_index = 0; var_ptr; var_ptr = var_ptr->Next, node_index++) { struct rc_variable * var = var_ptr->Item; |