X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbechordal_main.c;h=7897c01444e833bc782b125bd74bd1fb0fa0d13c;hb=ff94a727febe4d155e1e807b57179df47f8fd489;hp=f5ea6bca7aa08a4de8f0cc5d1dfb0db9cfdbf5e8;hpb=0f8ce2cb3442f33f0e5b07106151513f2100d562;p=libfirm diff --git a/ir/be/bechordal_main.c b/ir/be/bechordal_main.c index f5ea6bca7..7897c0144 100644 --- a/ir/be/bechordal_main.c +++ b/ir/be/bechordal_main.c @@ -53,6 +53,7 @@ #include "debug.h" #include "execfreq.h" #include "iredges_t.h" +#include "error.h" #include "bechordal_t.h" #include "beabi.h" @@ -61,8 +62,7 @@ #include "besched.h" #include "belive_t.h" #include "bearch.h" -#include "beifg_t.h" -#include "beifg_impl.h" +#include "beifg.h" #include "benode.h" #include "bestatevent.h" #include "bestat.h" @@ -70,6 +70,8 @@ #include "be_t.h" #include "bera.h" #include "beirg.h" +#include "bedump_minir.h" +#include "bestack.h" #include "bespillslots.h" #include "bespill.h" @@ -91,9 +93,9 @@ static be_ra_chordal_opts_t options = { "" }; -typedef struct _post_spill_env_t { +typedef struct post_spill_env_t { be_chordal_env_t cenv; - be_irg_t *birg; + ir_graph *irg; const arch_register_class_t *cls; double pre_spill_cost; } post_spill_env_t; @@ -143,10 +145,13 @@ static lc_opt_enum_int_var_t be_ch_vrfy_var = { &options.vrfy_option, be_ch_vrfy_items }; +static char minir_file[256] = ""; + static const lc_opt_table_entry_t be_chordal_options[] = { 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 ("verify", "verify options", &be_ch_vrfy_var), + LC_OPT_ENT_STR ("minirout", "dump MinIR to file", minir_file, sizeof(minir_file)), LC_OPT_LAST }; @@ -161,28 +166,26 @@ void be_register_chordal_coloring(const char *name, be_ra_chordal_coloring_t *co be_add_module_to_list(&colorings, name, coloring); } -void be_ra_chordal_coloring(be_chordal_env_t *env) +static void be_ra_chordal_coloring(be_chordal_env_t *env) { assert(selected_coloring != NULL); - if(selected_coloring != NULL) { + if (selected_coloring != NULL) { selected_coloring->allocate(env); } } - static void dump(unsigned mask, ir_graph *irg, const arch_register_class_t *cls, - const char *suffix, - void (*dump_func)(ir_graph *, const char *)) + const char *suffix) { - if((options.dump_flags & mask) == mask) { + if ((options.dump_flags & mask) == mask) { if (cls) { char buf[256]; - snprintf(buf, sizeof(buf), "-%s%s", cls->name, suffix); - be_dump(irg, buf, dump_func); + snprintf(buf, sizeof(buf), "%s-%s", cls->name, suffix); + dump_ir_graph(irg, buf); + } else { + dump_ir_graph(irg, suffix); } - else - be_dump(irg, suffix, dump_func); } } @@ -201,7 +204,7 @@ static void memory_operand_walker(ir_node *irn, void *env) return; /* only use memory operands, if the reload is only used by 1 node */ - if(get_irn_n_edges(irn) > 1) + if (get_irn_n_edges(irn) > 1) return; spill = be_get_Reload_mem(irn); @@ -242,91 +245,93 @@ static be_node_stats_t last_node_stats; */ 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); + be_chordal_env_t *chordal_env = &pse->cenv; + ir_graph *irg = pse->irg; + ir_exec_freq *exec_freq = be_get_irg_exec_freq(irg); pse->cls = cls; chordal_env->cls = cls; chordal_env->border_heads = pmap_create(); chordal_env->ignore_colors = bitset_malloc(chordal_env->cls->n_regs); - be_assure_liveness(birg); - be_liveness_assure_chk(be_get_birg_liveness(birg)); + be_assure_liveness(irg); + be_liveness_assure_chk(be_get_irg_liveness(irg)); - stat_ev_do(pse->pre_spill_cost = be_estimate_irg_costs(irg, birg->exec_freq)); + stat_ev_do(pse->pre_spill_cost = be_estimate_irg_costs(irg, exec_freq)); /* put all ignore registers into the ignore register set. */ - be_put_ignore_regs(birg, pse->cls, chordal_env->ignore_colors); + be_put_ignore_regs(irg, pse->cls, chordal_env->ignore_colors); - BE_TIMER_PUSH(t_ra_constr); - be_pre_spill_prepare_constr(chordal_env->birg, chordal_env->cls); - BE_TIMER_POP(t_ra_constr); + be_timer_push(T_RA_CONSTR); + be_pre_spill_prepare_constr(irg, chordal_env->cls); + be_timer_pop(T_RA_CONSTR); - dump(BE_CH_DUMP_CONSTR, birg->irg, pse->cls, "-constr-pre", dump_ir_block_graph_sched); + dump(BE_CH_DUMP_CONSTR, irg, pse->cls, "constr-pre"); } /** * Perform things which need to be done per register class after spilling. */ -static void post_spill(post_spill_env_t *pse, int iteration) { +static void post_spill(post_spill_env_t *pse, int iteration) +{ be_chordal_env_t *chordal_env = &pse->cenv; - be_irg_t *birg = pse->birg; - ir_graph *irg = birg->irg; + ir_graph *irg = pse->irg; + ir_exec_freq *exec_freq = be_get_irg_exec_freq(irg); 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); + int allocatable_regs + = colors_n - be_put_ignore_regs(irg, chordal_env->cls, NULL); /* some special classes contain only ignore regs, no work to be done */ if (allocatable_regs > 0) { - stat_ev_dbl("bechordal_spillcosts", be_estimate_irg_costs(irg, birg->exec_freq) - pse->pre_spill_cost); + stat_ev_dbl("bechordal_spillcosts", be_estimate_irg_costs(irg, 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_apply); + be_timer_push(T_RA_SPILL_APPLY); check_for_memory_operands(irg); if (iteration == 0) { - be_abi_fix_stack_nodes(birg->abi); + be_abi_fix_stack_nodes(irg); } - BE_TIMER_POP(t_ra_spill_apply); + be_timer_pop(T_RA_SPILL_APPLY); /* verify schedule and register pressure */ - BE_TIMER_PUSH(t_verify); + be_timer_push(T_VERIFY); if (chordal_env->opts->vrfy_option == BE_CH_VRFY_WARN) { - be_verify_schedule(birg); - be_verify_register_pressure(birg, pse->cls, irg); + be_verify_schedule(irg); + be_verify_register_pressure(irg, pse->cls); } else if (chordal_env->opts->vrfy_option == BE_CH_VRFY_ASSERT) { - assert(be_verify_schedule(birg) && "Schedule verification failed"); - assert(be_verify_register_pressure(birg, pse->cls, irg) + assert(be_verify_schedule(irg) && "Schedule verification failed"); + assert(be_verify_register_pressure(irg, pse->cls) && "Register pressure verification failed"); } - BE_TIMER_POP(t_verify); + be_timer_pop(T_VERIFY); /* Color the graph. */ - BE_TIMER_PUSH(t_ra_color); + be_timer_push(T_RA_COLOR); be_ra_chordal_coloring(chordal_env); - BE_TIMER_POP(t_ra_color); + be_timer_pop(T_RA_COLOR); - dump(BE_CH_DUMP_CONSTR, irg, pse->cls, "-color", dump_ir_block_graph_sched); + dump(BE_CH_DUMP_CONSTR, irg, pse->cls, "color"); /* Create the ifg with the selected flavor */ - BE_TIMER_PUSH(t_ra_ifg); + be_timer_push(T_RA_IFG); chordal_env->ifg = be_create_ifg(chordal_env); - BE_TIMER_POP(t_ra_ifg); + be_timer_pop(T_RA_IFG); stat_ev_if { be_ifg_stat_t stat; be_node_stats_t node_stats; - be_ifg_stat(birg, chordal_env->ifg, &stat); + be_ifg_stat(irg, chordal_env->ifg, &stat); stat_ev_dbl("bechordal_ifg_nodes", stat.n_nodes); stat_ev_dbl("bechordal_ifg_edges", stat.n_edges); stat_ev_dbl("bechordal_ifg_comps", stat.n_comps); - be_collect_node_stats(&node_stats, birg); + be_collect_node_stats(&node_stats, irg); be_subtract_node_stats(&node_stats, &last_node_stats); stat_ev_dbl("bechordal_perms_before_coal", @@ -335,23 +340,39 @@ static void post_spill(post_spill_env_t *pse, int iteration) { node_stats[BE_STAT_COPIES]); } - BE_TIMER_PUSH(t_ra_copymin); + be_timer_push(T_RA_COPYMIN); + if (minir_file[0] != '\0') { + FILE *out; + + if (strcmp(minir_file, "-") == 0) { + out = stdout; + } else { + out = fopen(minir_file, "w"); + if (out == NULL) { + panic("Cound't open minir output '%s'", minir_file); + } + } + + be_export_minir(out, irg); + if (out != stdout) + fclose(out); + } co_driver(chordal_env); - BE_TIMER_POP(t_ra_copymin); + be_timer_pop(T_RA_COPYMIN); - dump(BE_CH_DUMP_COPYMIN, irg, pse->cls, "-copymin", dump_ir_block_graph_sched); + dump(BE_CH_DUMP_COPYMIN, irg, pse->cls, "copymin"); /* ssa destruction */ - BE_TIMER_PUSH(t_ra_ssa); + be_timer_push(T_RA_SSA); be_ssa_destruction(chordal_env); - BE_TIMER_POP(t_ra_ssa); + be_timer_pop(T_RA_SSA); - dump(BE_CH_DUMP_SSADESTR, irg, pse->cls, "-ssadestr", dump_ir_block_graph_sched); + dump(BE_CH_DUMP_SSADESTR, irg, pse->cls, "ssadestr"); if (chordal_env->opts->vrfy_option != BE_CH_VRFY_OFF) { - BE_TIMER_PUSH(t_verify); + be_timer_push(T_VERIFY); be_ssa_destruction_check(chordal_env); - BE_TIMER_POP(t_verify); + be_timer_pop(T_VERIFY); } /* the ifg exists only if there are allocatable regs */ @@ -366,41 +387,40 @@ static void post_spill(post_spill_env_t *pse, int iteration) { /** * Performs chordal register allocation for each register class on given irg. * - * @param birg Backend irg object - * @return Structure containing timer for the single phases or NULL if no timing requested. + * @param irg the graph + * @return Structure containing timer for the single phases or NULL if no + * timing requested. */ -static void be_ra_chordal_main(be_irg_t *birg) +static void be_ra_chordal_main(ir_graph *irg) { - const arch_env_t *arch_env = birg->main_env->arch_env; - ir_graph *irg = birg->irg; + const arch_env_t *arch_env = be_get_irg_arch_env(irg); int j; int m; be_chordal_env_t chordal_env; struct obstack obst; - BE_TIMER_PUSH(t_ra_other); + be_timer_push(T_RA_OTHER); - BE_TIMER_PUSH(t_ra_prolog); + be_timer_push(T_RA_PROLOG); - be_assure_liveness(birg); + be_assure_liveness(irg); chordal_env.obst = &obst; chordal_env.opts = &options; chordal_env.irg = irg; - chordal_env.birg = birg; chordal_env.border_heads = NULL; chordal_env.ifg = NULL; chordal_env.ignore_colors = NULL; obstack_init(&obst); - BE_TIMER_POP(t_ra_prolog); + be_timer_pop(T_RA_PROLOG); stat_ev_if { - be_collect_node_stats(&last_node_stats, birg); + be_collect_node_stats(&last_node_stats, irg); } - if (! arch_code_generator_has_spiller(birg->cg)) { + if (! arch_code_generator_has_spiller(be_get_irg_cg(irg))) { /* use one of the generic spiller */ /* Perform the following for each register class. */ @@ -409,33 +429,32 @@ static void be_ra_chordal_main(be_irg_t *birg) 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) + if (arch_register_class_flags(cls) & arch_register_class_flag_manual_ra) continue; stat_ev_ctx_push_str("bechordal_cls", cls->name); stat_ev_if { - be_do_stat_reg_pressure(birg, cls); + be_do_stat_reg_pressure(irg, cls); } memcpy(&pse.cenv, &chordal_env, sizeof(chordal_env)); - pse.birg = birg; + pse.irg = irg; pre_spill(&pse, cls); - BE_TIMER_PUSH(t_ra_spill); - be_do_spill(birg, cls); - BE_TIMER_POP(t_ra_spill); + be_timer_push(T_RA_SPILL); + be_do_spill(irg, 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"); post_spill(&pse, 0); stat_ev_if { be_node_stats_t node_stats; - be_collect_node_stats(&node_stats, birg); + be_collect_node_stats(&node_stats, irg); be_subtract_node_stats(&node_stats, &last_node_stats); be_emit_node_stats(&node_stats, "bechordal_"); @@ -453,40 +472,42 @@ static void be_ra_chordal_main(be_irg_t *birg) for (j = 0; j < m; ++j) { memcpy(&pse[j].cenv, &chordal_env, sizeof(chordal_env)); - pse[j].birg = birg; + pse[j].irg = irg; pre_spill(&pse[j], pse[j].cls); } - BE_TIMER_PUSH(t_ra_spill); - arch_code_generator_spill(birg->cg, birg); - BE_TIMER_POP(t_ra_spill); - dump(BE_CH_DUMP_SPILL, irg, NULL, "-spill", dump_ir_block_graph_sched); + be_timer_push(T_RA_SPILL); + arch_code_generator_spill(be_get_irg_cg(irg), irg); + be_timer_pop(T_RA_SPILL); + dump(BE_CH_DUMP_SPILL, irg, NULL, "spill"); for (j = 0; j < m; ++j) { post_spill(&pse[j], j); } } - BE_TIMER_PUSH(t_verify); + be_timer_push(T_VERIFY); if (chordal_env.opts->vrfy_option == BE_CH_VRFY_WARN) { - be_verify_register_allocation(birg); - } else if(chordal_env.opts->vrfy_option == BE_CH_VRFY_ASSERT) { - assert(be_verify_register_allocation(birg) + be_verify_register_allocation(irg); + } else if (chordal_env.opts->vrfy_option == BE_CH_VRFY_ASSERT) { + assert(be_verify_register_allocation(irg) && "Register allocation invalid"); } - BE_TIMER_POP(t_verify); + 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); + be_timer_push(T_RA_EPILOG); + lower_nodes_after_ra(irg, + options.lower_perm_opt&BE_CH_LOWER_PERM_COPY ? 1 : 0); + dump(BE_CH_DUMP_LOWER, irg, NULL, "belower-after-ra"); obstack_free(&obst, NULL); - be_liveness_invalidate(be_get_birg_liveness(birg)); - BE_TIMER_POP(t_ra_epilog); + be_liveness_invalidate(be_get_irg_liveness(irg)); + be_timer_pop(T_RA_EPILOG); - BE_TIMER_POP(t_ra_other); + be_timer_pop(T_RA_OTHER); } +BE_REGISTER_MODULE_CONSTRUCTOR(be_init_chordal_main); void be_init_chordal_main(void) { static be_ra_t be_ra_chordal_allocator = { @@ -502,5 +523,3 @@ void be_init_chordal_main(void) lc_opt_add_table(chordal_grp, be_chordal_options); be_add_module_list_opt(chordal_grp, "coloring", "select coloring methode", &colorings, (void**) &selected_coloring); } - -BE_REGISTER_MODULE_CONSTRUCTOR(be_init_chordal_main);