#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
+
#ifdef HAVE_ALLOCA_H
#include <alloca.h>
#endif
#include "phiclass.h"
#include "irbitset.h"
#include "irphase_t.h"
+#include "irprintf_t.h"
+#include "bemodule.h"
#include "bearch.h"
#include "benode_t.h"
#include "beutil.h"
#include "belive_t.h"
#include "beinsn_t.h"
#include "besched_t.h"
+#include "benodesets.h"
+#include "bejavacoal.h"
+#include "bestatevent.h"
+#include "beirg_t.h"
+#include "error.h"
+
+#ifdef WITH_LIBCORE
+#include <libcore/lc_timing.h>
+#include <libcore/lc_opts.h>
+#endif /* WITH_LIBCORE */
+
+#define DUMP_BEFORE 1
+#define DUMP_AFTER 2
+#define DUMP_APPEL 4
+#define DUMP_ALL 2 * DUMP_APPEL - 1
+
+#define COST_FUNC_FREQ 1
+#define COST_FUNC_LOOP 2
+#define COST_FUNC_ALL_ONE 3
+
+static unsigned dump_flags = 0;
+static unsigned style_flags = 0;
+static unsigned do_stats = 0;
+static cost_fct_t cost_func = co_get_costs_exec_freq;
+static unsigned algo = CO_ALGO_HEUR2;
+static int improve = 1;
#ifdef WITH_LIBCORE
+static const lc_opt_enum_mask_items_t dump_items[] = {
+ { "before", DUMP_BEFORE },
+ { "after", DUMP_AFTER },
+ { "appel", DUMP_APPEL },
+ { "all", DUMP_ALL },
+ { NULL, 0 }
+};
+
+static const lc_opt_enum_mask_items_t style_items[] = {
+ { "color", CO_IFG_DUMP_COLORS },
+ { "labels", CO_IFG_DUMP_LABELS },
+ { "constr", CO_IFG_DUMP_CONSTR },
+ { "shape", CO_IFG_DUMP_SHAPE },
+ { "full", 2 * CO_IFG_DUMP_SHAPE - 1 },
+ { NULL, 0 }
+};
+
+static const lc_opt_enum_mask_items_t algo_items[] = {
+ { "none", CO_ALGO_NONE },
+ { "heur", CO_ALGO_HEUR },
+ { "heur2", CO_ALGO_HEUR2 },
+#ifdef WITH_JVM
+ { "heur3", CO_ALGO_HEUR3 },
+#endif /* WITH_JVM */
+#ifdef WITH_ILP
+ { "ilp", CO_ALGO_ILP },
+#endif /* WITH_ILP */
+ { NULL, 0 }
+};
+
+typedef int (*opt_funcptr)(void);
+
+static const lc_opt_enum_func_ptr_items_t cost_func_items[] = {
+ { "freq", (opt_funcptr) co_get_costs_exec_freq },
+ { "loop", (opt_funcptr) co_get_costs_loop_depth },
+ { "one", (opt_funcptr) co_get_costs_all_one },
+ { NULL, NULL }
+};
+
+static lc_opt_enum_mask_var_t dump_var = {
+ &dump_flags, dump_items
+};
+
+static lc_opt_enum_mask_var_t style_var = {
+ &style_flags, style_items
+};
+
+static lc_opt_enum_mask_var_t algo_var = {
+ &algo, algo_items
+};
+
+static lc_opt_enum_func_ptr_var_t cost_func_var = {
+ (opt_funcptr*) &cost_func, cost_func_items
+};
+
+static const lc_opt_table_entry_t options[] = {
+ LC_OPT_ENT_ENUM_INT ("algo", "select copy optimization algo", &algo_var),
+ LC_OPT_ENT_ENUM_FUNC_PTR ("cost", "select a cost function", &cost_func_var),
+ LC_OPT_ENT_ENUM_MASK ("dump", "dump ifg before or after copy optimization", &dump_var),
+ LC_OPT_ENT_ENUM_MASK ("style", "dump style for ifg dumping", &style_var),
+ LC_OPT_ENT_BOOL ("stats", "dump statistics after each optimization", &do_stats),
+ LC_OPT_ENT_BOOL ("improve", "run heur3 before if algo can exploit start solutions", &improve),
+ { NULL }
+};
/* Insert additional options registration functions here. */
+extern void be_co_ilp_register_options(lc_opt_entry_t *grp);
extern void be_co2_register_options(lc_opt_entry_t *grp);
+extern void be_co3_register_options(lc_opt_entry_t *grp);
-void co_register_options(lc_opt_entry_t *grp)
+void be_init_copycoal(void)
{
- be_co2_register_options(grp);
+ 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");
+ lc_opt_entry_t *co_grp = lc_opt_get_grp(chordal_grp, "co");
+
+ lc_opt_add_table(co_grp, options);
}
+
+BE_REGISTER_MODULE_CONSTRUCTOR(be_init_copycoal);
#endif
#undef QUICK_AND_DIRTY_HACK
+static int nodes_interfere(const be_chordal_env_t *env, const ir_node *a, const ir_node *b)
+{
+ if(env->ifg)
+ return be_ifg_connected(env->ifg, a, b);
+ else
+ return values_interfere(env->birg->lv, a, b);
+}
+
+
/******************************************************************************
_____ _
/ ____| | |
DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;)
-void be_copy_opt_init(void) {
-}
copy_opt_t *new_copy_opt(be_chordal_env_t *chordal_env, cost_fct_t get_costs)
{
int d = get_loop_depth(loop);
cost = d*d;
}
- return cost+1;
+ return 1+cost;
}
int co_get_costs_exec_freq(const copy_opt_t *co, ir_node *root, ir_node* arg, int pos) {
+ int res;
ir_node *root_bl = get_nodes_block(root);
ir_node *copy_bl = is_Phi(root) ? get_Block_cfgpred_block(root_bl, pos) : root_bl;
- return (int) get_block_execfreq(co->cenv->exec_freq, copy_bl);
+ res = get_block_execfreq_ulong(co->cenv->birg->exec_freq, copy_bl);
+
+ /* don't allow values smaller than one. */
+ return res < 1 ? 1 : res;
}
-int co_get_costs_all_one(const copy_opt_t *co, ir_node *root, ir_node* arg, int pos) {
+int co_get_costs_all_one(const copy_opt_t *co, ir_node *root, ir_node *arg, int pos) {
return 1;
}
return res;
}
+void co_complete_stats(const copy_opt_t *co, co_complete_stats_t *stat)
+{
+ bitset_t *seen = bitset_irg_malloc(co->irg);
+ affinity_node_t *an;
+
+ memset(stat, 0, sizeof(stat[0]));
+
+ /* count affinity edges. */
+ co_gs_foreach_aff_node(co, an) {
+ neighb_t *neigh;
+ stat->aff_nodes += 1;
+ bitset_add_irn(seen, an->irn);
+ co_gs_foreach_neighb(an, neigh) {
+ if(!bitset_contains_irn(seen, neigh->irn)) {
+ stat->aff_edges += 1;
+ stat->max_costs += neigh->costs;
+
+ if(get_irn_col(co, an->irn) != get_irn_col(co, neigh->irn)) {
+ stat->costs += neigh->costs;
+ stat->unsatisfied_edges += 1;
+ }
+
+ if(nodes_interfere(co->cenv, an->irn, neigh->irn)) {
+ stat->aff_int += 1;
+ stat->inevit_costs += neigh->costs;
+ }
+
+ }
+ }
+ }
+
+ bitset_free(seen);
+}
+
/******************************************************************************
_____ _ _____ _
/ ____| | | / ____| |
new_node.irn = n1;
new_node.degree = 0;
new_node.neighbours = NULL;
- node = set_insert(co->nodes, &new_node, sizeof(new_node), HASH_PTR(new_node.irn));
+ node = set_insert(co->nodes, &new_node, sizeof(new_node), nodeset_hash(new_node.irn));
allocnew = 1;
for (nbr = node->neighbours; nbr; nbr = nbr->next)
ASSERT_GS_AVAIL(co);
new_node.irn = irn;
- n = set_find(co->nodes, &new_node, sizeof(new_node), HASH_PTR(new_node.irn));
+ n = set_find(co->nodes, &new_node, sizeof(new_node), nodeset_hash(new_node.irn));
if (n) {
return (n->degree > 0);
} else
if(!arch_irn_is(co->aenv, n->irn, ignore)) {
int n_idx = PTR_TO_INT(get_irn_link(n->irn));
if(idx < n_idx)
- fprintf(f, "%d %d %d\n", idx, n_idx, n->costs);
+ fprintf(f, "%d %d %d\n", idx, n_idx, (int) n->costs);
}
}
}
struct obstack *obst = &env->obst;
void *base = obstack_base(obst);
pset *live = pset_new_ptr_default();
+ be_lv_t *lv = env->co->cenv->birg->lv;
int n_insns = 0;
int n_nodes = 0;
}
DBG((env->co->cenv->dbg, LEVEL_2, "%+F\n", bl));
- be_liveness_end_of_block(env->co->aenv, env->co->cls, bl, live);
+ be_liveness_end_of_block(lv, env->co->aenv, env->co->cls, bl, live);
/* Generate the bad and ugly. */
for(i = n_insns - 1; i >= 0; --i) {
for(j = 0, n = get_Block_n_cfgpreds(bl); j < n; ++j) {
ir_node *pred = get_Block_cfgpred_block(bl, j);
- appel_block_info_t *pred_bli = phase_get_irn_data(&env->ph, pred);
int nr = appel_get_live_end_nr(env, pred, irn);
assert(nr >= 0);
for(j = 0, n = get_Block_n_cfgpreds(bl); j < n; ++j) {
ir_node *pred = get_Block_cfgpred_block(bl, j);
- appel_block_info_t *pred_bli = phase_get_irn_data(&env->ph, pred);
ir_node *op = get_irn_n(irn, j);
int nr = appel_get_live_end_nr(env, pred, op);
int n_colors;
appel_clique_walker_t env;
bitset_t *adm = bitset_alloca(co->cls->n_regs);
+ be_lv_t *lv = co->cenv->birg->lv;
- be_liveness(co->irg);
+ be_liveness_recompute(lv);
obstack_init(&env.obst);
phase_init(&env.ph, "appel_clique_dumper", co->irg, PHASE_DEFAULT_GROWTH, appel_clique_walker_irn_init);
env.curr_nr = co->cls->n_regs;
obstack_free(&env.obst, NULL);
}
+/*
+ ___ _____ ____ ____ ___ _____ ____ _
+ |_ _| ___/ ___| | _ \ / _ \_ _| | _ \ _ _ _ __ ___ _ __ (_)_ __ __ _
+ | || |_ | | _ | | | | | | || | | | | | | | | '_ ` _ \| '_ \| | '_ \ / _` |
+ | || _|| |_| | | |_| | |_| || | | |_| | |_| | | | | | | |_) | | | | | (_| |
+ |___|_| \____| |____/ \___/ |_| |____/ \__,_|_| |_| |_| .__/|_|_| |_|\__, |
+ |_| |___/
+*/
+
+static const char *get_dot_color_name(int col)
+{
+ static const char *names[] = {
+ "blue",
+ "red",
+ "green",
+ "yellow",
+ "cyan",
+ "magenta",
+ "orange",
+ "chocolate",
+ "beige",
+ "navy",
+ "darkgreen",
+ "darkred",
+ "lightPink",
+ "chartreuse",
+ "lightskyblue",
+ "linen",
+ "pink",
+ "lightslateblue",
+ "mintcream",
+ "red",
+ "darkolivegreen",
+ "mediumblue",
+ "mistyrose",
+ "salmon",
+ "darkseagreen",
+ "mediumslateblue"
+ "moccasin",
+ "tomato",
+ "forestgreen",
+ "darkturquoise",
+ "palevioletred"
+ };
+
+ return col < sizeof(names)/sizeof(names[0]) ? names[col] : "white";
+}
+
+typedef struct _co_ifg_dump_t {
+ const copy_opt_t *co;
+ unsigned flags;
+} co_ifg_dump_t;
+
+static void ifg_dump_graph_attr(FILE *f, void *self)
+{
+ fprintf(f, "overlap=scale");
+}
+
+static int ifg_is_dump_node(void *self, ir_node *irn)
+{
+ co_ifg_dump_t *cod = self;
+ return !arch_irn_is(cod->co->aenv, irn, ignore);
+}
+
+static void ifg_dump_node_attr(FILE *f, void *self, ir_node *irn)
+{
+ co_ifg_dump_t *env = self;
+ const arch_register_t *reg = arch_get_irn_register(env->co->aenv, irn);
+ arch_register_req_t req;
+ int limited;
+
+ arch_get_register_req(env->co->aenv, &req, irn, BE_OUT_POS(0));
+ limited = arch_register_req_is(&req, limited);
+
+ if(env->flags & CO_IFG_DUMP_LABELS) {
+ ir_fprintf(f, "label=\"%+F", irn);
+
+ if((env->flags & CO_IFG_DUMP_CONSTR) && limited) {
+ bitset_t *bs = bitset_alloca(env->co->cls->n_regs);
+ req.limited(req.limited_env, bs);
+ ir_fprintf(f, "\\n%B", bs);
+ }
+ ir_fprintf(f, "\" ");
+ }
+
+ else
+ fprintf(f, "label=\"\" shape=point " );
+
+ if(env->flags & CO_IFG_DUMP_SHAPE)
+ fprintf(f, "shape=%s ", limited ? "diamond" : "ellipse");
+
+ if(env->flags & CO_IFG_DUMP_COLORS)
+ fprintf(f, "style=filled color=%s ", get_dot_color_name(reg->index));
+}
+
+static void ifg_dump_at_end(FILE *file, void *self)
+{
+ co_ifg_dump_t *env = self;
+ affinity_node_t *a;
+
+ co_gs_foreach_aff_node(env->co, a) {
+ const arch_register_t *ar = arch_get_irn_register(env->co->aenv, a->irn);
+ unsigned aidx = get_irn_idx(a->irn);
+ neighb_t *n;
+
+ co_gs_foreach_neighb(a, n) {
+ const arch_register_t *nr = arch_get_irn_register(env->co->aenv, n->irn);
+ unsigned nidx = get_irn_idx(n->irn);
+
+ if(aidx < nidx) {
+ const char *color = nr == ar ? "blue" : "red";
+ fprintf(file, "\tn%d -- n%d [weight=0.01 ", aidx, nidx);
+ if(env->flags & CO_IFG_DUMP_LABELS)
+ fprintf(file, "label=\"%d\" ", n->costs);
+ if(env->flags & CO_IFG_DUMP_COLORS)
+ fprintf(file, "color=%s ", color);
+ else
+ fprintf(file, "style=dotted");
+ fprintf(file, "];\n");
+ }
+ }
+ }
+}
+
+
+static be_ifg_dump_dot_cb_t ifg_dot_cb = {
+ ifg_is_dump_node,
+ ifg_dump_graph_attr,
+ ifg_dump_node_attr,
+ NULL,
+ NULL,
+ ifg_dump_at_end
+};
+
+
+
+void co_dump_ifg_dot(const copy_opt_t *co, FILE *f, unsigned flags)
+{
+ co_ifg_dump_t cod;
+
+ cod.co = co;
+ cod.flags = flags;
+ be_ifg_dump_dot(co->cenv->ifg, co->irg, f, &ifg_dot_cb, &cod);
+}
+
void co_solve_park_moon(copy_opt_t *opt)
{
}
+
+static int void_algo(copy_opt_t *co)
+{
+ return 0;
+}
+
+/*
+ _ _ _ _ _
+ / \ | | __ _ ___ _ __(_) |_| |__ _ __ ___ ___
+ / _ \ | |/ _` |/ _ \| '__| | __| '_ \| '_ ` _ \/ __|
+ / ___ \| | (_| | (_) | | | | |_| | | | | | | | \__ \
+ /_/ \_\_|\__, |\___/|_| |_|\__|_| |_|_| |_| |_|___/
+ |___/
+*/
+
+typedef struct {
+ co_algo_t *algo;
+ const char *name;
+ int can_improve_existing;
+} co_algo_info_t;
+
+static co_algo_info_t algos[] = {
+ { void_algo, "none", 0 },
+ { co_solve_heuristic, "heur1", 0 },
+ { co_solve_heuristic_new, "heur2", 0 },
+ { co_solve_heuristic_java, "heur3", 0 },
+#ifdef WITH_ILP
+ { co_solve_ilp2, "ilp", 1 },
+#endif
+ { NULL, "", 0 }
+};
+
+/*
+ __ __ _ ____ _
+ | \/ | __ _(_)_ __ | _ \ _ __(_)_ _____ _ __
+ | |\/| |/ _` | | '_ \ | | | | '__| \ \ / / _ \ '__|
+ | | | | (_| | | | | | | |_| | | | |\ V / __/ |
+ |_| |_|\__,_|_|_| |_| |____/|_| |_| \_/ \___|_|
+
+*/
+
+static FILE *my_open(const be_chordal_env_t *env, const char *prefix, const char *suffix)
+{
+ FILE *result;
+ char buf[1024];
+
+ ir_snprintf(buf, sizeof(buf), "%s%F_%s%s", prefix, env->irg, env->cls->name, suffix);
+ result = fopen(buf, "wt");
+ if(result == NULL) {
+ panic("Couldn't open '%s' for writing.", buf);
+ }
+
+ return result;
+}
+
+void co_driver(be_chordal_env_t *cenv)
+{
+#ifdef WITH_LIBCORE
+ lc_timer_t *timer = lc_timer_register("firm.be.copyopt", "runtime");
+#endif
+ co_complete_stats_t before, after;
+ copy_opt_t *co;
+ co_algo_t *algo_func;
+ int was_optimal = 0;
+
+ if(algo < 0 || algo >= CO_ALGO_LAST)
+ return;
+
+ co = new_copy_opt(cenv, cost_func);
+ co_build_ou_structure(co);
+ co_build_graph_structure(co);
+
+ co_complete_stats(co, &before);
+
+ be_stat_ev_ull("co_aff_nodes", before.aff_nodes);
+ be_stat_ev_ull("co_aff_edges", before.aff_edges);
+ be_stat_ev_ull("co_max_costs", before.max_costs);
+ be_stat_ev_ull("co_inevit_costs", before.inevit_costs);
+ be_stat_ev_ull("co_aff_int", before.aff_int);
+
+ be_stat_ev_ull("co_init_costs", before.costs);
+ be_stat_ev_ull("co_init_unsat", before.unsatisfied_edges);
+
+ /* Dump the interference graph in Appel's format. */
+ if(dump_flags & DUMP_APPEL) {
+ FILE *f = my_open(cenv, "", ".apl");
+ co_dump_appel_graph(co, f);
+ fclose(f);
+ }
+
+ if(dump_flags & DUMP_BEFORE) {
+ FILE *f = my_open(cenv, "", "-before.dot");
+ co_dump_ifg_dot(co, f, style_flags);
+ fclose(f);
+ }
+
+ /* if the algo can improve results, provide an initial solution with heur3 */
+ if(improve && algos[algo].can_improve_existing) {
+ co_complete_stats_t stats;
+
+ /* produce a heuristical solution */
+ co_solve_heuristic_java(co);
+
+ /* do the stats and provide the current costs */
+ co_complete_stats(co, &stats);
+ be_stat_ev_ull("co_prepare_costs", stats.costs);
+ }
+
+#ifdef WITH_JVM
+ /* start the JVM here so that it does not tamper the timing. */
+ if(algo == CO_ALGO_HEUR3)
+ be_java_coal_start_jvm();
+#endif
+
+ algo_func = algos[algo].algo;
+
+#ifdef WITH_LIBCORE
+ lc_timer_reset_and_start(timer);
+#endif
+
+ was_optimal = algo_func(co);
+
+#ifdef WITH_LIBCORE
+ lc_timer_stop(timer);
+ be_stat_ev("co_time", lc_timer_elapsed_msec(timer));
+#endif
+
+ be_stat_ev_ull("co_optimal", was_optimal);
+
+ if(dump_flags & DUMP_AFTER) {
+ FILE *f = my_open(cenv, "", "-after.dot");
+ co_dump_ifg_dot(co, f, style_flags);
+ fclose(f);
+ }
+
+ co_complete_stats(co, &after);
+
+ if(do_stats) {
+ ulong64 optimizable_costs = after.max_costs - after.inevit_costs;
+ ulong64 evitable = after.costs - after.inevit_costs;
+
+ ir_printf("%30F ", cenv->irg);
+ printf("%10s %10" ULL_FMT "%10" ULL_FMT "%10" ULL_FMT, cenv->cls->name, after.max_costs, before.costs, after.inevit_costs);
+
+ if(optimizable_costs > 0)
+ printf("%10" ULL_FMT " %5.2f\n", after.costs, (evitable * 100.0) / optimizable_costs);
+ else
+ printf("%10" ULL_FMT " %5s\n", after.costs, "-");
+ }
+
+ be_stat_ev_ull("co_after_costs", after.costs);
+ be_stat_ev_ull("co_after_unsat", after.unsatisfied_edges);
+
+ co_free_graph_structure(co);
+ co_free_ou_structure(co);
+ free_copy_opt(co);
+}
projects / libfirm / blobdiff