#include "matrix.h"
#include "vector.h"
#include "vector_t.h"
-#include "heuristical.h"
+#include "heuristical_co.h"
#include "pbqp_t.h"
#include "html_dumper.h"
#include "pbqp_node_t.h"
pbqp_matrix *aff_matrix_template;
plist_t *rpeo;
unsigned *restr_nodes;
+ unsigned *ife_edge_num;
be_chordal_env_t *env;
} be_pbqp_alloc_env_t;
ir_snprintf(buf, sizeof(buf), "%s%s_%F_%s%s", prefix, tu_name, env->irg, env->cls->name, suffix);
xfree(tu_name);
result = fopen(buf, "wt");
- if(result == NULL) {
+ if (result == NULL) {
panic("Couldn't open '%s' for writing.", buf);
}
#endif
-static void create_pbqp_node(be_pbqp_alloc_env_t *pbqp_alloc_env, ir_node *irn) {
+static void create_pbqp_node(be_pbqp_alloc_env_t *pbqp_alloc_env, ir_node *irn)
+{
const arch_register_class_t *cls = pbqp_alloc_env->cls;
pbqp *pbqp_inst = pbqp_alloc_env->pbqp_inst;
bitset_t *ignored_regs = pbqp_alloc_env->ignored_regs;
/* set costs depending on register constrains */
unsigned idx;
- for(idx = 0; idx < colors_n; idx++) {
- if(bitset_is_set(ignored_regs, idx) || !arch_reg_out_is_allocatable(irn, arch_register_for_index(cls, idx))) {
+ for (idx = 0; idx < colors_n; idx++) {
+ if (bitset_is_set(ignored_regs, idx) || !arch_reg_out_is_allocatable(irn, arch_register_for_index(cls, idx))) {
vector_set(costs_vector, idx, INF_COSTS);
cntConstrains++;
}
pbqp_alloc_env->restr_nodes[get_irn_idx(irn)] = cntConstrains;
}
-static void insert_ife_edge(be_pbqp_alloc_env_t *pbqp_alloc_env, ir_node *src_node, ir_node *trg_node) {
+static void insert_ife_edge(be_pbqp_alloc_env_t *pbqp_alloc_env, ir_node *src_node, ir_node *trg_node)
+{
pbqp *pbqp = pbqp_alloc_env->pbqp_inst;
const arch_register_class_t *cls = pbqp_alloc_env->cls;
pbqp_matrix *ife_matrix_template = pbqp_alloc_env->ife_matrix_template;
unsigned *restr_nodes = pbqp_alloc_env->restr_nodes;
- if(get_edge(pbqp, get_irn_idx(src_node), get_irn_idx(trg_node)) == NULL) {
+ if (get_edge(pbqp, get_irn_idx(src_node), get_irn_idx(trg_node)) == NULL) {
+
+ /* increase ife edge counter */
+ pbqp_alloc_env->ife_edge_num[get_irn_idx(src_node)]++;
+ pbqp_alloc_env->ife_edge_num[get_irn_idx(trg_node)]++;
/* do useful optimization to speed up pbqp solving (we can do this because we know our matrix) */
- if(get_free_regs(restr_nodes, cls, src_node) == 1 && get_free_regs(restr_nodes, cls, trg_node) == 1) {
+ if (get_free_regs(restr_nodes, cls, src_node) == 1 && get_free_regs(restr_nodes, cls, trg_node) == 1) {
unsigned src_idx = vector_get_min_index(get_node(pbqp, get_irn_idx(src_node))->costs);
unsigned trg_idx = vector_get_min_index(get_node(pbqp, get_irn_idx(trg_node))->costs);
assert(src_idx != trg_idx && "Interfering nodes could not have the same register!");
return;
}
- if(get_free_regs(restr_nodes, cls, src_node) == 1 || get_free_regs(restr_nodes, cls, trg_node) == 1) {
- if(get_free_regs(restr_nodes, cls, src_node) == 1) {
+ if (get_free_regs(restr_nodes, cls, src_node) == 1 || get_free_regs(restr_nodes, cls, trg_node) == 1) {
+ if (get_free_regs(restr_nodes, cls, src_node) == 1) {
unsigned idx = vector_get_min_index(get_node(pbqp, get_irn_idx(src_node))->costs);
vector_set(get_node(pbqp, get_irn_idx(trg_node))->costs, idx, INF_COSTS);
}
}
}
-static void inser_afe_edge(be_pbqp_alloc_env_t *pbqp_alloc_env, ir_node *src_node, ir_node *trg_node, int pos) {
+static void inser_afe_edge(be_pbqp_alloc_env_t *pbqp_alloc_env, ir_node *src_node, ir_node *trg_node, int pos)
+{
pbqp *pbqp = pbqp_alloc_env->pbqp_inst;
const arch_register_class_t *cls = pbqp_alloc_env->cls;
unsigned *restr_nodes = pbqp_alloc_env->restr_nodes;
pbqp_matrix *afe_matrix = pbqp_matrix_alloc(pbqp, arch_register_class_n_regs(cls), arch_register_class_n_regs(cls));
unsigned colors_n = arch_register_class_n_regs(cls);
- if(get_edge(pbqp, get_irn_idx(src_node), get_irn_idx(trg_node)) == NULL) {
- if(use_exec_freq) {
+ if (get_edge(pbqp, get_irn_idx(src_node), get_irn_idx(trg_node)) == NULL) {
+ if (use_exec_freq) {
/* get exec_freq for copy_block */
ir_node *root_bl = get_nodes_block(src_node);
ir_node *copy_bl = is_Phi(src_node) ? get_Block_cfgpred_block(root_bl, pos) : root_bl;
/* create afe-matrix */
unsigned row, col;
- for(row = 0; row < colors_n; row++) {
- for(col = 0; col < colors_n; col++) {
- if(row != col)
+ for (row = 0; row < colors_n; row++) {
+ for (col = 0; col < colors_n; col++) {
+ if (row != col)
pbqp_matrix_set(afe_matrix, row, col, (num)res);
}
}
}
/* do useful optimization to speed up pbqp solving */
- if(get_free_regs(restr_nodes, cls, src_node) == 1 && get_free_regs(restr_nodes, cls, trg_node) == 1) {
+ if (get_free_regs(restr_nodes, cls, src_node) == 1 && get_free_regs(restr_nodes, cls, trg_node) == 1) {
return;
}
- if(get_free_regs(restr_nodes, cls, src_node) == 1 || get_free_regs(restr_nodes, cls, trg_node) == 1) {
- if(get_free_regs(restr_nodes, cls, src_node) == 1) {
+ if (get_free_regs(restr_nodes, cls, src_node) == 1 || get_free_regs(restr_nodes, cls, trg_node) == 1) {
+ if (get_free_regs(restr_nodes, cls, src_node) == 1) {
unsigned regIdx = vector_get_min_index(get_node(pbqp, get_irn_idx(src_node))->costs);
vector_add_matrix_col(get_node(pbqp, get_irn_idx(trg_node))->costs, afe_matrix, regIdx);
}
}
}
-static void create_affinity_edges(ir_node *irn, void *env) {
+static void create_affinity_edges(ir_node *irn, void *env)
+{
be_pbqp_alloc_env_t *pbqp_alloc_env = env;
const arch_register_class_t *cls = pbqp_alloc_env->cls;
const arch_register_req_t *req = arch_get_register_req_out(irn);
continue;
/* no edges to itself */
- if(irn == arg) {
+ if (irn == arg) {
continue;
}
continue;
/* no edges to itself */
- if(irn == other) {
+ if (irn == other) {
continue;
}
}
}
-static void create_pbqp_coloring_instance(ir_node *block, void *data) {
+static void create_pbqp_coloring_instance(ir_node *block, void *data)
+{
be_pbqp_alloc_env_t *pbqp_alloc_env = data;
be_lv_t *lv = pbqp_alloc_env->lv;
const arch_register_class_t *cls = pbqp_alloc_env->cls;
continue;
/* create pbqp source node if it dosn't exist */
- if(get_node(pbqp_inst, get_irn_idx(proj)) == NULL) {
+ if (get_node(pbqp_inst, get_irn_idx(proj)) == NULL) {
create_pbqp_node(pbqp_alloc_env, proj);
}
/* create nodes and interference edges */
foreach_ir_nodeset(&live_nodes, live, iter) {
/* create pbqp source node if it dosn't exist */
- if(get_node(pbqp_inst, get_irn_idx(live)) == NULL) {
+ if (get_node(pbqp_inst, get_irn_idx(live)) == NULL) {
create_pbqp_node(pbqp_alloc_env, live);
}
/* no edges to itself */
- if(proj == live) {
+ if (proj == live) {
continue;
}
else {
if (arch_irn_consider_in_reg_alloc(cls, irn)) {
/* create pbqp source node if it dosn't exist */
- if(get_node(pbqp_inst, get_irn_idx(irn)) == NULL) {
+ if (get_node(pbqp_inst, get_irn_idx(irn)) == NULL) {
create_pbqp_node(pbqp_alloc_env, irn);
}
/* create nodes and interference edges */
foreach_ir_nodeset(&live_nodes, live, iter) {
/* create pbqp source node if it dosn't exist */
- if(get_node(pbqp_inst, get_irn_idx(live)) == NULL) {
+ if (get_node(pbqp_inst, get_irn_idx(live)) == NULL) {
create_pbqp_node(pbqp_alloc_env, live);
}
/* no edges to itself */
- if(irn == live) {
+ if (irn == live) {
continue;
}
continue;
// insert proj node into priority queue (descending by the number of interference edges)
- if(get_free_regs(restr_nodes, cls, proj) <= 4/*bitset_is_set(restr_nodes, get_irn_idx(proj))*/) {
- pqueue_put(restr_nodes_queue, proj, pbqp_node_get_degree(get_node(pbqp_inst, get_irn_idx(proj))));
+ if (get_free_regs(restr_nodes, cls, proj) <= 4/*bitset_is_set(restr_nodes, get_irn_idx(proj))*/) {
+ pqueue_put(restr_nodes_queue, proj, pbqp_alloc_env->ife_edge_num[get_irn_idx(proj)]);
}
else {
- pqueue_put(queue,proj, pbqp_node_get_degree(get_node(pbqp_inst, get_irn_idx(proj))));
+ pqueue_put(queue,proj, pbqp_alloc_env->ife_edge_num[get_irn_idx(proj)]);
}
}
/* first insert all restricted nodes */
- while(!pqueue_empty(restr_nodes_queue)) {
- if(first == NULL) {
+ while (!pqueue_empty(restr_nodes_queue)) {
+ if (first == NULL) {
plist_insert_back(temp_list, get_node(pbqp_inst, get_irn_idx(pqueue_pop_front(restr_nodes_queue))));
first = plist_first(temp_list);
} else {
}
/* insert proj nodes descending by their number of interference edges */
- while(!pqueue_empty(queue)) {
- if(first == NULL) {
+ while (!pqueue_empty(queue)) {
+ if (first == NULL) {
plist_insert_back(temp_list, get_node(pbqp_inst, get_irn_idx(pqueue_pop_front(queue))));
first = plist_first(temp_list);
} else {
del_pqueue(restr_nodes_queue);
}
-static void insert_perms(ir_node *block, void *data) {
+static void insert_perms(ir_node *block, void *data)
+{
/*
* Start silent in the start block.
* The silence remains until the first barrier is seen.
}
}
-void be_pbqp_coloring(be_chordal_env_t *env) {
+void be_pbqp_coloring(be_chordal_env_t *env)
+{
ir_graph *irg = env->irg;
be_irg_t *birg = env->birg;
const arch_register_class_t *cls = env->cls;
be_lv_t *lv;
#if TIMER
- ir_timer_t *t_ra_pbqp_alloc_create = ir_timer_register("be_pbqp_alloc_create", "pbqp alloc create");
- ir_timer_t *t_ra_pbqp_alloc_solve = ir_timer_register("be_pbqp_alloc_solve", "pbqp alloc solve");
- ir_timer_t *t_ra_pbqp_alloc_create_aff = ir_timer_register("be_pbqp_alloc_create_aff", "pbqp alloc create aff");
+ ir_timer_t *t_ra_pbqp_alloc_create = ir_timer_new();
+ ir_timer_t *t_ra_pbqp_alloc_solve = ir_timer_new();
+ ir_timer_t *t_ra_pbqp_alloc_create_aff = ir_timer_new();
printf("#### ----- === Allocating registers of %s (%s) ===\n", cls->name, get_entity_name(get_irg_entity(irg)));
#endif
-
lv = be_assure_liveness(birg);
be_liveness_assure_sets(lv);
be_liveness_assure_chk(lv);
pbqp_alloc_env.ignored_regs = bitset_malloc(colors_n);
pbqp_alloc_env.rpeo = plist_new();
pbqp_alloc_env.restr_nodes = XMALLOCNZ(unsigned, get_irg_last_idx(irg));
+ pbqp_alloc_env.ife_edge_num = XMALLOCNZ(unsigned, get_irg_last_idx(irg));
pbqp_alloc_env.env = env;
be_put_ignore_regs(birg, cls, pbqp_alloc_env.ignored_regs); /* get ignored registers */
/* create costs matrix template for interference edges */
struct pbqp_matrix *ife_matrix = pbqp_matrix_alloc(pbqp_alloc_env.pbqp_inst, colors_n, colors_n);
/* set costs */
- for(row = 0, col=0; row < colors_n; row++, col++)
+ for (row = 0, col=0; row < colors_n; row++, col++)
pbqp_matrix_set(ife_matrix, row, col, INF_COSTS);
pbqp_alloc_env.ife_matrix_template = ife_matrix;
- if(!use_exec_freq) {
+ if (!use_exec_freq) {
/* create costs matrix template for affinity edges */
struct pbqp_matrix *afe_matrix = pbqp_matrix_alloc(pbqp_alloc_env.pbqp_inst, colors_n, colors_n);
/* set costs */
- for(row = 0; row < colors_n; row++) {
- for(col = 0; col < colors_n; col++) {
- if(row != col)
+ for (row = 0; row < colors_n; row++) {
+ for (col = 0; col < colors_n; col++) {
+ if (row != col)
pbqp_matrix_set(afe_matrix, row, col, 2);
}
}
#if TIMER
- printf("%-20s: %8.3lf msec\n" , ir_timer_get_description(t_ra_pbqp_alloc_create), (double)ir_timer_elapsed_usec(t_ra_pbqp_alloc_create) / 1000.0);
- printf("%-20s: %8.3lf msec\n" , ir_timer_get_description(t_ra_pbqp_alloc_solve), (double)ir_timer_elapsed_usec(t_ra_pbqp_alloc_solve) / 1000.0);
- printf("%-20s: %8.3lf msec\n" , ir_timer_get_description(t_ra_pbqp_alloc_create_aff), (double)ir_timer_elapsed_usec(t_ra_pbqp_alloc_create_aff) / 1000.0);
+ printf("%-20s: %8.3lf msec\n", "pbqp alloc create",
+ (double)ir_timer_elapsed_usec(t_ra_pbqp_alloc_create) / 1000.0);
+ printf("%-20s: %8.3lf msec\n", "pbqp alloc solve",
+ (double)ir_timer_elapsed_usec(t_ra_pbqp_alloc_solve) / 1000.0);
+ printf("%-20s: %8.3lf msec\n", "pbqp alloc create aff",
+ (double)ir_timer_elapsed_usec(t_ra_pbqp_alloc_create_aff) / 1000.0);
#endif
free_pbqp(pbqp_alloc_env.pbqp_inst);
plist_free(pbqp_alloc_env.rpeo);
xfree(pbqp_alloc_env.restr_nodes);
+ xfree(pbqp_alloc_env.ife_edge_num);
}
/**
* Initializes this module.
*/
-void be_init_pbqp_coloring(void) {
+void be_init_pbqp_coloring(void)
+{
lc_opt_entry_t *be_grp = lc_opt_get_grp(firm_opt_get_root(), "be");
lc_opt_entry_t *ra_grp = lc_opt_get_grp(be_grp, "ra");
lc_opt_entry_t *chordal_grp = lc_opt_get_grp(ra_grp, "chordal");