#include "irgwalk.h"
#include "irtools.h"
#include "time.h"
-#include "execfreq.h"
+#include "execfreq_t.h"
#include "bipartite.h"
/* libfirm/ir/be includes */
plist_t *rpeo;
unsigned *restr_nodes;
unsigned *ife_edge_num;
+ ir_execfreq_int_factors execfreq_factors;
be_chordal_env_t *env;
} be_pbqp_alloc_env_t;
#define insert_edge(pbqp, src_node, trg_node, template_matrix) (add_edge_costs(pbqp, get_irn_idx(src_node), get_irn_idx(trg_node), pbqp_matrix_copy(pbqp, template_matrix)))
#define get_free_regs(restr_nodes, cls, irn) (arch_register_class_n_regs(cls) - restr_nodes[get_irn_idx(irn)])
-static inline int is_2addr_code(const arch_register_req_t *req)
-{
- return (req->type & arch_register_req_type_should_be_same) != 0;
-}
-
static const lc_opt_table_entry_t options[] = {
LC_OPT_ENT_BOOL("exec_freq", "use exec_freq", &use_exec_freq),
LC_OPT_ENT_BOOL("late_decision", "use late decision for register allocation", &use_late_decision),
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;
- ir_exec_freq *exec_freq = be_get_irg_exec_freq(pbqp_alloc_env->irg);
- unsigned long res = get_block_execfreq_ulong(exec_freq, copy_bl);
+ 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;
+ int res = get_block_execfreq_int(&pbqp_alloc_env->execfreq_factors, copy_bl);
/* create afe-matrix */
unsigned row, col;
return;
insert_afe_edge(pbqp_alloc_env, irn, arg, -1);
- }
- else { /* 2-address code */
- if (is_2addr_code(req)) {
- const unsigned other = req->other_same;
- int i;
-
- for (i = 0; 1U << i <= other; ++i) {
- if (other & (1U << i)) {
- ir_node *other = get_irn_n(skip_Proj(irn), i);
- if (!arch_irn_consider_in_reg_alloc(cls, other))
- continue;
-
- /* no edges to itself */
- if (irn == other) {
- continue;
- }
+ } else if (arch_register_req_is(req, should_be_same)) {
+ const unsigned other = req->other_same;
+ int i;
+
+ for (i = 0; 1U << i <= other; ++i) {
+ if (other & (1U << i)) {
+ ir_node *other = get_irn_n(skip_Proj(irn), i);
+ if (!arch_irn_consider_in_reg_alloc(cls, other))
+ continue;
- insert_afe_edge(pbqp_alloc_env, irn, other, i);
+ /* no edges to itself */
+ if (irn == other) {
+ continue;
}
+
+ insert_afe_edge(pbqp_alloc_env, irn, other, i);
}
}
}
/* create pbqp nodes, interference edges and reverse perfect elimination order */
sched_foreach_reverse(block, irn) {
- if (get_irn_mode(irn) == mode_T) {
- foreach_out_edge(irn, edge) {
- ir_node *proj = get_edge_src_irn(edge);
- if (!arch_irn_consider_in_reg_alloc(cls, proj))
- continue;
-
- /* create pbqp source node if it dosn't exist */
- 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) {
- create_pbqp_node(pbqp_alloc_env, live);
- }
+ be_foreach_value(irn, value,
+ if (!arch_irn_consider_in_reg_alloc(cls, value))
+ continue;
- /* no edges to itself */
- if (proj == live) {
- continue;
- }
+ /* create pbqp source node if it dosn't exist */
+ if (!get_node(pbqp_inst, get_irn_idx(value)))
+ create_pbqp_node(pbqp_alloc_env, value);
- insert_ife_edge(pbqp_alloc_env, proj, live);
- }
- }
- }
- else {
- if (arch_irn_consider_in_reg_alloc(cls, 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(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) {
- create_pbqp_node(pbqp_alloc_env, live);
- }
+ if (!get_node(pbqp_inst, get_irn_idx(live)))
+ create_pbqp_node(pbqp_alloc_env, live);
- /* no edges to itself */
- if (irn == live) {
- continue;
- }
+ /* no edges to itself */
+ if (value == live)
+ continue;
- /* insert interference edge */
- insert_ife_edge(pbqp_alloc_env, irn, live);
- }
+ insert_ife_edge(pbqp_alloc_env, value, live);
}
- }
+ );
/* get living nodes for next step */
if (!is_Phi(irn)) {
ir_node *irn;
for (irn = sched_first(block); !sched_is_end(irn);) {
- be_insn_t *insn = chordal_scan_insn(env, irn);
- irn = insn->next_insn;
-
- if (!insn->has_constraints)
- continue;
+ ir_node *const next = sched_next(irn);
+ be_insn_t * insn = be_scan_insn(env, irn);
+ if (insn)
+ pre_process_constraints(env, &insn);
- pre_process_constraints(env, &insn);
+ irn = next;
}
}
dump_ir_graph(irg, buf);
}
+ ir_calculate_execfreq_int_factors(&pbqp_alloc_env.execfreq_factors, irg);
/* initialize pbqp allocation data structure */
pbqp_alloc_env.pbqp_inst = alloc_pbqp(get_irg_last_idx(irg)); /* initialize pbqp instance */
projects / libfirm / blobdiff