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r300/compiler: Don't create register classes for inputs

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This commit is contained in:
Tom Stellard 2012-09-03 08:25:13 -04:00
parent e0f64a837f
commit 9282adcae9
1 changed files with 1 additions and 14 deletions
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15
src/gallium/drivers/r300/compiler/radeon_pair_regalloc.c
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@ -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;