/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
#include "iterator.h"
#include "firm_config.h"
-#include <libcore/lc_opts.h>
-#include <libcore/lc_opts_enum.h>
-#include <libcore/lc_timing.h>
+#include "lc_opts.h"
+#include "lc_opts_enum.h"
#include "ircons_t.h"
#include "irmode_t.h"
#include "bera.h"
#include "beirg_t.h"
-#include "bespillbelady.h"
-#include "bespillmorgan.h"
#include "bespillslots.h"
#include "bespilloptions.h"
#include "belower.h"
double pre_spill_cost;
} post_spill_env_t;
-static be_ra_timer_t ra_timer = {
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
-};
+static be_options_t *main_opts;
static const lc_opt_enum_int_items_t lower_perm_items[] = {
{ "copy", BE_CH_LOWER_PERM_COPY },
LC_OPT_ENT_ENUM_PTR ("perm", "perm lowering options", &lower_perm_var),
LC_OPT_ENT_ENUM_MASK("dump", "select dump phases", &dump_var),
LC_OPT_ENT_ENUM_PTR ("vrfy", "verify options", &be_ch_vrfy_var),
- LC_OPT_ENT_NULL
+ LC_OPT_LAST
};
static void dump(unsigned mask, ir_graph *irg,
if(is_Phi(irn))
env->stat->n_phis++;
- else if(arch_irn_classify(aenv, irn) & arch_irn_class_spill)
- ++env->stat->n_spills;
-
- else if(arch_irn_classify(aenv, irn) & arch_irn_class_reload)
- ++env->stat->n_reloads;
-
- else if(arch_irn_classify(aenv, irn) & arch_irn_class_copy)
- ++env->stat->n_copies;
-
- else if(arch_irn_classify(aenv, irn) & arch_irn_class_perm)
- ++env->stat->n_perms;
+ else {
+ arch_irn_class_t classify = arch_irn_classify(aenv, irn);
+
+ if(classify & arch_irn_class_spill)
+ ++env->stat->n_spills;
+ if(classify & arch_irn_class_reload)
+ ++env->stat->n_reloads;
+ if(classify & arch_irn_class_copy)
+ ++env->stat->n_copies;
+ if(classify & arch_irn_class_perm)
+ ++env->stat->n_perms;
+ }
}
/* a mem phi is a PhiM with a mem phi operand or a Spill operand */
- else if(is_Phi(irn) && get_irn_mode(irn) == mode_M) {
+ /*else*/ if(is_Phi(irn) && get_irn_mode(irn) == mode_M) {
int i;
for(i = get_irn_arity(irn) - 1; i >= 0; --i) {
return cnt;
}
-/**
- * Initialize all timers.
- */
-static void be_init_timer(be_options_t *main_opts)
-{
- if (main_opts->timing == BE_TIME_ON) {
- ra_timer.t_prolog = lc_timer_register("ra_prolog", "regalloc prolog");
- ra_timer.t_epilog = lc_timer_register("ra_epilog", "regalloc epilog");
- ra_timer.t_live = lc_timer_register("ra_liveness", "be liveness");
- ra_timer.t_spill = lc_timer_register("ra_spill", "spiller");
- ra_timer.t_spillslots = lc_timer_register("ra_spillslots", "spillslots");
- ra_timer.t_color = lc_timer_register("ra_color", "graph coloring");
- ra_timer.t_ifg = lc_timer_register("ra_ifg", "interference graph");
- ra_timer.t_copymin = lc_timer_register("ra_copymin", "copy minimization");
- ra_timer.t_ssa = lc_timer_register("ra_ssadestr", "ssa destruction");
- ra_timer.t_verify = lc_timer_register("ra_verify", "graph verification");
- ra_timer.t_other = lc_timer_register("ra_other", "other time");
-
- LC_STOP_AND_RESET_TIMER(ra_timer.t_prolog);
- LC_STOP_AND_RESET_TIMER(ra_timer.t_epilog);
- LC_STOP_AND_RESET_TIMER(ra_timer.t_live);
- LC_STOP_AND_RESET_TIMER(ra_timer.t_spill);
- LC_STOP_AND_RESET_TIMER(ra_timer.t_spillslots);
- LC_STOP_AND_RESET_TIMER(ra_timer.t_color);
- LC_STOP_AND_RESET_TIMER(ra_timer.t_ifg);
- LC_STOP_AND_RESET_TIMER(ra_timer.t_copymin);
- LC_STOP_AND_RESET_TIMER(ra_timer.t_ssa);
- LC_STOP_AND_RESET_TIMER(ra_timer.t_verify);
- LC_STOP_AND_RESET_TIMER(ra_timer.t_other);
-
- global_ra_timer = &ra_timer;
- }
-}
-
-#define BE_TIMER_INIT(main_opts) be_init_timer(main_opts)
-
-#define BE_TIMER_PUSH(timer) \
- if (main_opts->timing == BE_TIME_ON) { \
- if (! lc_timer_push(timer)) { \
- if (options.vrfy_option == BE_CH_VRFY_ASSERT) \
- assert(!"Timer already on stack, cannot be pushed twice."); \
- else if (options.vrfy_option == BE_CH_VRFY_WARN) \
- fprintf(stderr, "Timer %s already on stack, cannot be pushed twice.\n", \
- lc_timer_get_name(timer)); \
- } \
- }
-#define BE_TIMER_POP(timer) \
- if (main_opts->timing == BE_TIME_ON) { \
- lc_timer_t *tmp = lc_timer_pop(); \
- if (options.vrfy_option == BE_CH_VRFY_ASSERT) \
- assert(tmp == timer && "Attempt to pop wrong timer."); \
- else if (options.vrfy_option == BE_CH_VRFY_WARN && tmp != timer) \
- fprintf(stderr, "Attempt to pop wrong timer. %s is on stack, trying to pop %s.\n", \
- lc_timer_get_name(tmp), lc_timer_get_name(timer)); \
- timer = tmp; \
- }
-
/**
* Perform things which need to be done per register class before spilling.
*/
-static void pre_spill(const arch_isa_t *isa, int cls_idx, post_spill_env_t *pse) {
- be_chordal_env_t *chordal_env = &pse->cenv;
- be_irg_t *birg = pse->birg;
- node_stat_t node_stat;
+static void pre_spill(post_spill_env_t *pse, const arch_register_class_t *cls)
+{
+ be_chordal_env_t *chordal_env = &pse->cenv;
+ be_irg_t *birg = pse->birg;
+ ir_graph *irg = be_get_birg_irg(birg);
+ const be_main_env_t *main_env = birg->main_env;
+ node_stat_t node_stat;
- pse->cls = arch_isa_get_reg_class(isa, cls_idx);
- chordal_env->cls = pse->cls;
+ pse->cls = cls;
+ chordal_env->cls = cls;
chordal_env->border_heads = pmap_create();
chordal_env->ignore_colors = bitset_malloc(chordal_env->cls->n_regs);
-#ifdef FIRM_STATISTICS
- if (be_stat_ev_is_active()) {
- be_stat_tags[STAT_TAG_CLS] = pse->cls->name;
- be_stat_ev_push(be_stat_tags, STAT_TAG_LAST, be_stat_file);
+ be_assure_liveness(birg);
+ be_liveness_assure_chk(be_get_birg_liveness(birg));
- /* perform some node statistics. */
- node_stats(birg, pse->cls, &node_stat);
- be_stat_ev("phis_before_spill", node_stat.n_phis);
- }
-#endif /* FIRM_STATISTICS */
+ stat_ev_ctx_push_str("bechordal_cls", pse->cls->name);
+ stat_ev_do(node_stats(birg, pse->cls, &node_stat));
+ stat_ev_do(pse->pre_spill_cost = be_estimate_irg_costs(irg, main_env->arch_env, birg->exec_freq));
+ stat_ev_dbl("phis_before_spill", node_stat.n_phis);
/* put all ignore registers into the ignore register set. */
be_put_ignore_regs(birg, pse->cls, chordal_env->ignore_colors);
+ BE_TIMER_PUSH(t_ra_constr);
be_pre_spill_prepare_constr(chordal_env);
+ BE_TIMER_POP(t_ra_constr);
+
dump(BE_CH_DUMP_CONSTR, birg->irg, pse->cls, "-constr-pre", dump_ir_block_graph_sched);
-#ifdef FIRM_STATISTICS
- if (be_stat_ev_is_active()) {
- pse->pre_spill_cost = be_estimate_irg_costs(birg->irg,
- birg->main_env->arch_env, birg->exec_freq);
- be_stat_ev_pop();
- }
-#endif /* FIRM_STATISTICS */
+ stat_ev_ctx_pop("bechordal_cls");
}
/**
be_irg_t *birg = pse->birg;
ir_graph *irg = birg->irg;
const be_main_env_t *main_env = birg->main_env;
- be_options_t *main_opts = main_env->options;
- node_stat_t node_stat;
- int colors_n = arch_register_class_n_regs(chordal_env->cls);
+ node_stat_t node_stat;
+ int colors_n = arch_register_class_n_regs(chordal_env->cls);
int allocatable_regs = colors_n - be_put_ignore_regs(birg, chordal_env->cls, NULL);
/* some special classes contain only ignore regs, no work to be done */
if (allocatable_regs > 0) {
-#ifdef FIRM_STATISTICS
- if (be_stat_ev_is_active()) {
- double spillcosts = be_estimate_irg_costs(irg, main_env->arch_env, birg->exec_freq) - pse->pre_spill_cost;
-
- be_stat_tags[STAT_TAG_CLS] = pse->cls->name;
- be_stat_ev_push(be_stat_tags, STAT_TAG_LAST, be_stat_file);
-
- be_stat_ev_l("spillcosts", (long) spillcosts);
-
- node_stats(birg, pse->cls, &node_stat);
- be_stat_ev("phis_after_spill", node_stat.n_phis);
- be_stat_ev("mem_phis", node_stat.n_mem_phis);
- be_stat_ev("reloads", node_stat.n_reloads);
- be_stat_ev("spills", node_stat.n_spills);
- }
-#endif /* FIRM_STATISTICS */
+ stat_ev_ctx_push_str("bechordal_cls", pse->cls->name);
+ stat_ev_do(node_stats(birg, pse->cls, &node_stat));
+ stat_ev_dbl("phis_after_spill", node_stat.n_phis);
+ stat_ev_dbl("mem_phis", node_stat.n_mem_phis);
+ stat_ev_dbl("reloads", node_stat.n_reloads);
+ stat_ev_dbl("spills", node_stat.n_spills);
+ stat_ev_dbl("spillcosts", be_estimate_irg_costs(irg, main_env->arch_env, birg->exec_freq) - pse->pre_spill_cost);
/*
If we have a backend provided spiller, post spill is
called in a loop after spilling for each register class.
But we only need to fix stack nodes once in this case.
*/
+ BE_TIMER_PUSH(t_ra_spill);
+ check_for_memory_operands(chordal_env);
if (iteration == 0) {
- check_for_memory_operands(chordal_env);
be_abi_fix_stack_nodes(birg->abi);
}
+ BE_TIMER_POP(t_ra_spill);
- BE_TIMER_PUSH(ra_timer.t_verify);
+ BE_TIMER_PUSH(t_verify);
/* verify schedule and register pressure */
if (chordal_env->opts->vrfy_option == BE_CH_VRFY_WARN) {
assert(be_verify_register_pressure(birg, pse->cls, irg)
&& "Register pressure verification failed");
}
- BE_TIMER_POP(ra_timer.t_verify);
+ BE_TIMER_POP(t_verify);
/* Color the graph. */
- BE_TIMER_PUSH(ra_timer.t_color);
+ BE_TIMER_PUSH(t_ra_color);
be_ra_chordal_color(chordal_env);
- BE_TIMER_POP(ra_timer.t_color);
+ BE_TIMER_POP(t_ra_color);
dump(BE_CH_DUMP_CONSTR, irg, pse->cls, "-color", dump_ir_block_graph_sched);
/* Create the ifg with the selected flavor */
- BE_TIMER_PUSH(ra_timer.t_ifg);
+ BE_TIMER_PUSH(t_ra_ifg);
chordal_env->ifg = be_create_ifg(chordal_env);
- BE_TIMER_POP(ra_timer.t_ifg);
+ BE_TIMER_POP(t_ra_ifg);
-#ifdef FIRM_STATISTICS
- if (be_stat_ev_is_active()) {
+ {
be_ifg_stat_t stat;
- be_ifg_stat(birg, chordal_env->ifg, &stat);
- be_stat_ev("ifg_nodes", stat.n_nodes);
- be_stat_ev("ifg_edges", stat.n_edges);
- be_stat_ev("ifg_comps", stat.n_comps);
+ stat_ev_do(be_ifg_stat(birg, chordal_env->ifg, &stat));
+ stat_ev_dbl("ifg_nodes", stat.n_nodes);
+ stat_ev_dbl("ifg_edges", stat.n_edges);
+ stat_ev_dbl("ifg_comps", stat.n_comps);
- node_stats(birg, pse->cls, &node_stat);
- be_stat_ev("perms_before_coal", node_stat.n_perms);
- be_stat_ev("copies_before_coal", node_stat.n_copies);
+ stat_ev_do(node_stats(birg, pse->cls, &node_stat));
+ stat_ev_dbl("perms_before_coal", node_stat.n_perms);
+ stat_ev_dbl("copies_before_coal", node_stat.n_copies);
}
-#endif /* FIRM_STATISTICS */
/* copy minimization */
- BE_TIMER_PUSH(ra_timer.t_copymin);
+ BE_TIMER_PUSH(t_ra_copymin);
co_driver(chordal_env);
- BE_TIMER_POP(ra_timer.t_copymin);
+ BE_TIMER_POP(t_ra_copymin);
dump(BE_CH_DUMP_COPYMIN, irg, pse->cls, "-copymin", dump_ir_block_graph_sched);
- BE_TIMER_PUSH(ra_timer.t_ssa);
/* ssa destruction */
+ BE_TIMER_PUSH(t_ra_ssa);
+ stat_ev_ctx_push_str("berachordal_phase", "ssadestr");
be_ssa_destruction(chordal_env);
-
- BE_TIMER_POP(ra_timer.t_ssa);
+ stat_ev_ctx_pop("berachordal_phase");
+ BE_TIMER_POP(t_ra_ssa);
dump(BE_CH_DUMP_SSADESTR, irg, pse->cls, "-ssadestr", dump_ir_block_graph_sched);
- BE_TIMER_PUSH(ra_timer.t_verify);
if (chordal_env->opts->vrfy_option != BE_CH_VRFY_OFF) {
+ BE_TIMER_PUSH(t_verify);
be_ssa_destruction_check(chordal_env);
+ BE_TIMER_POP(t_verify);
}
- BE_TIMER_POP(ra_timer.t_verify);
-
-#ifdef FIRM_STATISTICS
- if (be_stat_ev_is_active()) {
- node_stats(birg, pse->cls, &node_stat);
- be_stat_ev("perms_after_coal", node_stat.n_perms);
- be_stat_ev("copies_after_coal", node_stat.n_copies);
- be_stat_ev_pop();
- }
-#endif /* FIRM_STATISTICS */
+
+ stat_ev_do(node_stats(birg, pse->cls, &node_stat));
+ stat_ev_dbl("perms_after_coal", node_stat.n_perms);
+ stat_ev_dbl("copies_after_coal", node_stat.n_copies);
+ stat_ev_ctx_pop("bechordal_cls");
/* the ifg exists only if there are allocatable regs */
be_ifg_free(chordal_env->ifg);
*/
static void be_ra_chordal_main(be_irg_t *birg)
{
- const be_main_env_t *main_env = birg->main_env;
- const arch_isa_t *isa = arch_env_get_isa(main_env->arch_env);
- ir_graph *irg = birg->irg;
- be_options_t *main_opts = main_env->options;
+ const be_main_env_t *main_env = birg->main_env;
+ const arch_env_t *arch_env = main_env->arch_env;
+ ir_graph *irg = birg->irg;
int j, m;
be_chordal_env_t chordal_env;
struct obstack obst;
- BE_TIMER_INIT(main_opts);
- BE_TIMER_PUSH(ra_timer.t_other);
- BE_TIMER_PUSH(ra_timer.t_prolog);
+ main_opts = main_env->options;
+
+ BE_TIMER_PUSH(t_ra_other);
+
+ BE_TIMER_PUSH(t_ra_prolog);
be_assure_dom_front(birg);
be_assure_liveness(birg);
obstack_init(&obst);
- BE_TIMER_POP(ra_timer.t_prolog);
+ BE_TIMER_POP(t_ra_prolog);
- be_stat_ev("insns_before", count_insns(irg));
+ stat_ev_if {
+ be_stat_ev("insns_before", count_insns(irg));
+ }
if (! arch_code_generator_has_spiller(birg->cg)) {
/* use one of the generic spiller */
/* Perform the following for each register class. */
- for (j = 0, m = arch_isa_get_n_reg_class(isa); j < m; ++j) {
+ for (j = 0, m = arch_env_get_n_reg_class(arch_env); j < m; ++j) {
post_spill_env_t pse;
+ const arch_register_class_t *cls
+ = arch_env_get_reg_class(arch_env, j);
+
+ if(arch_register_class_flags(cls) & arch_register_class_flag_manual_ra)
+ continue;
+
memcpy(&pse.cenv, &chordal_env, sizeof(chordal_env));
pse.birg = birg;
- pre_spill(isa, j, &pse);
+ pre_spill(&pse, cls);
- BE_TIMER_PUSH(ra_timer.t_spill);
- be_do_spill(birg, pse.cls);
- BE_TIMER_POP(ra_timer.t_spill);
+ BE_TIMER_PUSH(t_ra_spill);
+ be_do_spill(birg, cls);
+ BE_TIMER_POP(t_ra_spill);
- dump(BE_CH_DUMP_SPILL, irg, pse.cls, "-spill", dump_ir_block_graph_sched);
+ dump(BE_CH_DUMP_SPILL, irg, pse.cls, "-spill",
+ dump_ir_block_graph_sched);
post_spill(&pse, 0);
}
post_spill_env_t *pse;
/* the backend has it's own spiller */
- m = arch_isa_get_n_reg_class(isa);
+ m = arch_env_get_n_reg_class(arch_env);
pse = alloca(m * sizeof(pse[0]));
for (j = 0; j < m; ++j) {
memcpy(&pse[j].cenv, &chordal_env, sizeof(chordal_env));
pse[j].birg = birg;
- pre_spill(isa, j, &pse[j]);
+ pre_spill(&pse[j], pse[j].cls);
}
- BE_TIMER_PUSH(ra_timer.t_spill);
+ BE_TIMER_PUSH(t_ra_spill);
arch_code_generator_spill(birg->cg, birg);
- BE_TIMER_POP(ra_timer.t_spill);
+ BE_TIMER_POP(t_ra_spill);
dump(BE_CH_DUMP_SPILL, irg, NULL, "-spill", dump_ir_block_graph_sched);
for (j = 0; j < m; ++j) {
}
}
- BE_TIMER_PUSH(ra_timer.t_epilog);
+ BE_TIMER_PUSH(t_verify);
+ be_verify_register_allocation(birg);
+ BE_TIMER_POP(t_verify);
+
+ BE_TIMER_PUSH(t_ra_epilog);
lower_nodes_after_ra(birg, options.lower_perm_opt & BE_CH_LOWER_PERM_COPY ? 1 : 0);
dump(BE_CH_DUMP_LOWER, irg, NULL, "-belower-after-ra", dump_ir_block_graph_sched);
obstack_free(&obst, NULL);
be_liveness_invalidate(be_get_birg_liveness(birg));
- BE_TIMER_POP(ra_timer.t_epilog);
+ BE_TIMER_POP(t_ra_epilog);
- BE_TIMER_POP(ra_timer.t_other);
+ BE_TIMER_POP(t_ra_other);
- be_stat_ev("insns_after", count_insns(irg));
+ stat_ev_if {
+ be_stat_ev("insns_after", count_insns(irg));
+ }
return;
}
projects / libfirm / blobdiff