X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbecopyopt.c;h=873d58ce089e06b28c3e01c8eab8a2ca34bbbded;hb=40db13dafa724caf3f38f76539cf107cd4c1a376;hp=8464541ab8db977674d55f8c4f1bb0fea1f612ec;hpb=e3e49a5a39a35aebe4a693cdde6beb78a5c21b90;p=libfirm diff --git a/ir/be/becopyopt.c b/ir/be/becopyopt.c index 8464541ab..873d58ce0 100644 --- a/ir/be/becopyopt.c +++ b/ir/be/becopyopt.c @@ -1,5 +1,5 @@ /* - * 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. * @@ -22,52 +22,48 @@ * @brief Copy minimization driver. * @author Daniel Grund * @date 12.04.2005 - * @version $Id$ * * Main file for the optimization reducing the copies needed for: * - Phi coalescing * - Register-constrained nodes * - Two-address code instructions */ -#ifdef HAVE_CONFIG_H #include "config.h" -#endif -#include "execfreq.h" -#include "xmalloc.h" #include "debug.h" -#include "pmap.h" -#include "raw_bitset.h" +#include "error.h" +#include "execfreq_t.h" +#include "irdump_t.h" +#include "iredges_t.h" #include "irgraph.h" #include "irgwalk.h" -#include "irprog.h" #include "irloop_t.h" -#include "iredges_t.h" -#include "phiclass.h" -#include "irbitset.h" -#include "irphase_t.h" -#include "irprintf_t.h" +#include "irnode.h" +#include "irprintf.h" +#include "irprog.h" +#include "irtools.h" +#include "pmap.h" +#include "raw_bitset.h" +#include "util.h" +#include "xmalloc.h" -#include "bemodule.h" -#include "bearch_t.h" -#include "benode_t.h" -#include "beutil.h" -#include "beifg_t.h" +#include "bearch.h" #include "becopyopt_t.h" #include "becopystat.h" -#include "belive_t.h" +#include "bedump.h" +#include "beifg.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" -#include "bera.h" +#include "beintlive_t.h" +#include "beirg.h" +#include "belive_t.h" +#include "bemodule.h" +#include "benode.h" +#include "besched.h" +#include "statev_t.h" +#include "beutil.h" -#include -#include -#include +#include "lc_opts.h" +#include "lc_opts_enum.h" #define DUMP_BEFORE 1 #define DUMP_AFTER 2 @@ -78,11 +74,24 @@ #define COST_FUNC_LOOP 2 #define COST_FUNC_ALL_ONE 3 +/** + * Flags for dumping the IFG. + */ +enum { + CO_IFG_DUMP_COLORS = 1 << 0, /**< Dump the graph colored. */ + CO_IFG_DUMP_LABELS = 1 << 1, /**< Dump node/edge labels. */ + CO_IFG_DUMP_SHAPE = 1 << 2, /**< Give constrained nodes special shapes. */ + CO_IFG_DUMP_CONSTR = 1 << 3, /**< Dump the node constraints in the label. */ +}; + +static int co_get_costs_loop_depth(const ir_node *root, int pos); +static int co_get_costs_exec_freq(const ir_node *root, int pos); +static int co_get_costs_all_one(const ir_node *root, int pos); + static unsigned dump_flags = 0; -static unsigned style_flags = 0; -static unsigned do_stats = 0; +static unsigned style_flags = CO_IFG_DUMP_COLORS; +static int do_stats = 0; static cost_fct_t cost_func = co_get_costs_exec_freq; -static unsigned algo = CO_ALGO_HEUR4; static int improve = 1; static const lc_opt_enum_mask_items_t dump_items[] = { @@ -102,22 +111,7 @@ static const lc_opt_enum_mask_items_t style_items[] = { { 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 */ - { "heur4", CO_ALGO_HEUR4 }, -#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 }, @@ -133,30 +127,31 @@ 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 } + LC_OPT_ENT_BOOL ("improve", "run heur1 before if algo can exploit start solutions", &improve), + LC_OPT_LAST }; -/* 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); +static be_module_list_entry_t *copyopts = NULL; +static const co_algo_info *selected_copyopt = NULL; + +void be_register_copyopt(const char *name, co_algo_info *copyopt) +{ + if (selected_copyopt == NULL) + selected_copyopt = copyopt; + be_add_module_to_list(©opts, name, copyopt); +} -void be_init_copycoal(void) +BE_REGISTER_MODULE_CONSTRUCTOR(be_init_copyopt) +void be_init_copyopt(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"); @@ -164,9 +159,25 @@ void be_init_copycoal(void) lc_opt_entry_t *co_grp = lc_opt_get_grp(chordal_grp, "co"); lc_opt_add_table(co_grp, options); + be_add_module_list_opt(co_grp, "algo", "select copy optimization algo", + ©opts, (void**) &selected_copyopt); +} + +static int void_algo(copy_opt_t *co) +{ + (void) co; + return 0; } -BE_REGISTER_MODULE_CONSTRUCTOR(be_init_copycoal); +BE_REGISTER_MODULE_CONSTRUCTOR(be_init_copynone) +void be_init_copynone(void) +{ + static co_algo_info copyheur = { + void_algo, 0 + }; + + be_register_copyopt("none", ©heur); +} #undef QUICK_AND_DIRTY_HACK @@ -174,8 +185,10 @@ static int nodes_interfere(const be_chordal_env_t *env, const ir_node *a, const { if (env->ifg) return be_ifg_connected(env->ifg, a, b); - else - return values_interfere(env->birg->lv, a, b); + else { + be_lv_t *lv = be_get_irg_liveness(env->irg); + return be_values_interfere(lv, a, b); + } } @@ -195,115 +208,103 @@ DEBUG_ONLY(static firm_dbg_module_t *dbg = NULL;) copy_opt_t *new_copy_opt(be_chordal_env_t *chordal_env, cost_fct_t get_costs) { const char *s1, *s2, *s3; - int len; + size_t len; copy_opt_t *co; FIRM_DBG_REGISTER(dbg, "ir.be.copyopt"); - co = xcalloc(1, sizeof(*co)); + co = XMALLOCZ(copy_opt_t); co->cenv = chordal_env; - co->aenv = chordal_env->birg->main_env->arch_env; co->irg = chordal_env->irg; co->cls = chordal_env->cls; co->get_costs = get_costs; - s1 = get_irp_prog_name(); + s1 = get_irp_name(); s2 = get_entity_name(get_irg_entity(co->irg)); s3 = chordal_env->cls->name; len = strlen(s1) + strlen(s2) + strlen(s3) + 5; - co->name = xmalloc(len); + co->name = XMALLOCN(char, len); snprintf(co->name, len, "%s__%s__%s", s1, s2, s3); return co; } -void free_copy_opt(copy_opt_t *co) { +void free_copy_opt(copy_opt_t *co) +{ xfree(co->name); free(co); } -int co_is_optimizable_root(const copy_opt_t *co, ir_node *irn) { - const arch_register_req_t *req; - const arch_register_t *reg; - - if (arch_irn_is(co->aenv, irn, ignore)) - return 0; - - reg = arch_get_irn_register(co->aenv, irn); - if (arch_register_type_is(reg, ignore)) +/** + * Checks if a node is optimizable, viz. has something to do with coalescing + * @param irn The irn to check + */ +static int co_is_optimizable_root(ir_node *irn) +{ + arch_register_req_t const *const req = arch_get_irn_register_req(irn); + if (arch_register_req_is(req, ignore)) return 0; - req = arch_get_register_req(co->aenv, irn, -1); - if (is_Reg_Phi(irn) || is_Perm_Proj(co->aenv, irn) || is_2addr_code(req)) + if (is_Reg_Phi(irn) || is_Perm_Proj(irn)) return 1; - return 0; -} - -int co_is_optimizable_arg(const copy_opt_t *co, ir_node *irn) { - const ir_edge_t *edge; - const arch_register_t *reg; - - assert(0 && "Is buggy and obsolete. Do not use"); - - if (arch_irn_is(co->aenv, irn, ignore)) - return 0; - - reg = arch_get_irn_register(co->aenv, irn); - if (arch_register_type_is(reg, ignore)) - return 0; - - foreach_out_edge(irn, edge) { - ir_node *n = edge->src; - - if (!nodes_interfere(co->cenv, irn, n) || irn == n) { - const arch_register_req_t *req; - req = arch_get_register_req(co->aenv, n, -1); - - if(is_Reg_Phi(n) || - is_Perm(co->aenv, n) || - (arch_register_req_is(req, should_be_same))) { - ir_node *other = get_irn_n(irn, req->other_same); - if(other == irn) - return 1; - } - } - } + if (arch_register_req_is(req, should_be_same)) + return 1; return 0; } -int co_get_costs_loop_depth(const copy_opt_t *co, ir_node *root, ir_node* arg, int pos) { - int cost = 0; +/** + * Computes the costs of a copy according to loop depth + * @param pos the argument position of arg in the root arguments + * @return Must be >= 0 in all cases. + */ +static int co_get_costs_loop_depth(const ir_node *root, int pos) +{ + ir_node *block = get_nodes_block(root); ir_loop *loop; - ir_node *root_block = get_nodes_block(root); + int cost; if (is_Phi(root)) { - /* for phis the copies are placed in the corresponding pred-block */ - loop = get_irn_loop(get_Block_cfgpred_block(root_block, pos)); - } else { - /* a perm places the copy in the same block as it resides */ - loop = get_irn_loop(root_block); + block = get_Block_cfgpred_block(block, pos); } + loop = get_irn_loop(block); if (loop) { int d = get_loop_depth(loop); cost = d*d; + } else { + cost = 0; } return 1+cost; } -int co_get_costs_exec_freq(const copy_opt_t *co, ir_node *root, ir_node* arg, int pos) { - int res; +static ir_execfreq_int_factors factors; + +/** + * Computes the costs of a copy according to execution frequency + * @param pos the argument position of arg in the root arguments + * @return Must be >= 0 in all cases. + */ +static int co_get_costs_exec_freq(const ir_node *root, int pos) +{ ir_node *root_bl = get_nodes_block(root); - ir_node *copy_bl = is_Phi(root) ? get_Block_cfgpred_block(root_bl, pos) : root_bl; - res = get_block_execfreq_ulong(co->cenv->birg->exec_freq, copy_bl); + ir_node *copy_bl + = is_Phi(root) ? get_Block_cfgpred_block(root_bl, pos) : root_bl; + int res = get_block_execfreq_int(&factors, 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) { +/** + * All costs equal 1. Using this will reduce the _number_ of copies. + * @param co The copy opt object. + * @return Must be >= 0 in all cases. + */ +static int co_get_costs_all_one(const ir_node *root, int pos) +{ + (void) root; + (void) pos; return 1; } @@ -322,26 +323,27 @@ int co_get_costs_all_one(const copy_opt_t *co, ir_node *root, ir_node *arg, int * Determines a maximum weighted independent set with respect to * the interference and conflict edges of all nodes in a qnode. */ -static int ou_max_ind_set_costs(unit_t *ou) { +static int ou_max_ind_set_costs(unit_t *ou) +{ be_chordal_env_t *chordal_env = ou->co->cenv; ir_node **safe, **unsafe; int i, o, safe_count, safe_costs, unsafe_count, *unsafe_costs; bitset_t *curr; - int max, pos, curr_weight, best_weight = 0; + int curr_weight, best_weight = 0; /* assign the nodes into two groups. * safe: node has no interference, hence it is in every max stable set. * unsafe: node has an interference */ - safe = alloca((ou->node_count-1) * sizeof(*safe)); - safe_costs = 0; - safe_count = 0; - unsafe = alloca((ou->node_count-1) * sizeof(*unsafe)); - unsafe_costs = alloca((ou->node_count-1) * sizeof(*unsafe_costs)); + safe = ALLOCAN(ir_node*, ou->node_count - 1); + safe_costs = 0; + safe_count = 0; + unsafe = ALLOCAN(ir_node*, ou->node_count - 1); + unsafe_costs = ALLOCAN(int, ou->node_count - 1); unsafe_count = 0; - for(i=1; inode_count; ++i) { + for (i=1; inode_count; ++i) { int is_safe = 1; - for(o=1; onode_count; ++o) { + for (o=1; onode_count; ++o) { if (i==o) continue; if (nodes_interfere(chordal_env, ou->nodes[i], ou->nodes[o])) { @@ -362,7 +364,7 @@ static int ou_max_ind_set_costs(unit_t *ou) { /* now compute the best set out of the unsafe nodes*/ if (unsafe_count > MIS_HEUR_TRIGGER) { bitset_t *best = bitset_alloca(unsafe_count); - /* Heuristik: Greedy trial and error form index 0 to unsafe_count-1 */ + /* Heuristic: Greedy trial and error form index 0 to unsafe_count-1 */ for (i=0; icls != co->cls) return; - if (!co_is_optimizable_root(co, irn)) + if (!co_is_optimizable_root(irn)) return; /* Init a new unit */ - unit = xcalloc(1, sizeof(*unit)); + unit = XMALLOCZ(unit_t); unit->co = co; unit->node_count = 1; INIT_LIST_HEAD(&unit->queue); @@ -426,8 +433,8 @@ static void co_collect_units(ir_node *irn, void *env) { /* init */ arity = get_irn_arity(irn); - unit->nodes = xmalloc((arity+1) * sizeof(*unit->nodes)); - unit->costs = xmalloc((arity+1) * sizeof(*unit->costs)); + unit->nodes = XMALLOCN(ir_node*, arity + 1); + unit->costs = XMALLOCN(int, arity + 1); unit->nodes[0] = irn; /* fill */ @@ -435,70 +442,89 @@ static void co_collect_units(ir_node *irn, void *env) { int o, arg_pos; ir_node *arg = get_irn_n(irn, i); - assert(is_curr_reg_class(co, arg) && "Argument not in same register class."); + assert(arch_get_irn_reg_class(arg) == co->cls && "Argument not in same register class."); if (arg == irn) continue; if (nodes_interfere(co->cenv, irn, arg)) { - unit->inevitable_costs += co->get_costs(co, irn, arg, i); + unit->inevitable_costs += co->get_costs(irn, i); continue; } /* Else insert the argument of the phi to the members of this ou */ DBG((dbg, LEVEL_1, "\t Member: %+F\n", arg)); - if (! arch_irn_is(co->aenv, arg, ignore)) { - /* Check if arg has occurred at a prior position in the arg/list */ - arg_pos = 0; - for (o=1; onode_count; ++o) { - if (unit->nodes[o] == arg) { - arg_pos = o; - break; - } - } + if (arch_irn_is_ignore(arg)) + continue; - if (!arg_pos) { /* a new argument */ - /* insert node, set costs */ - unit->nodes[unit->node_count] = arg; - unit->costs[unit->node_count] = co->get_costs(co, irn, arg, i); - unit->node_count++; - } else { /* arg has occured before in same phi */ - /* increase costs for existing arg */ - unit->costs[arg_pos] += co->get_costs(co, irn, arg, i); + /* Check if arg has occurred at a prior position in the arg/list */ + arg_pos = 0; + for (o=1; onode_count; ++o) { + if (unit->nodes[o] == arg) { + arg_pos = o; + break; } } - } - unit->nodes = xrealloc(unit->nodes, unit->node_count * sizeof(*unit->nodes)); - unit->costs = xrealloc(unit->costs, unit->node_count * sizeof(*unit->costs)); - } else - /* Proj of a perm with corresponding arg */ - if (is_Perm_Proj(co->aenv, irn)) { + if (!arg_pos) { /* a new argument */ + /* insert node, set costs */ + unit->nodes[unit->node_count] = arg; + unit->costs[unit->node_count] = co->get_costs(irn, i); + unit->node_count++; + } else { /* arg has occurred before in same phi */ + /* increase costs for existing arg */ + unit->costs[arg_pos] += co->get_costs(irn, i); + } + } + unit->nodes = XREALLOC(unit->nodes, ir_node*, unit->node_count); + unit->costs = XREALLOC(unit->costs, int, unit->node_count); + } else if (is_Perm_Proj(irn)) { + /* Proj of a perm with corresponding arg */ assert(!nodes_interfere(co->cenv, irn, get_Perm_src(irn))); - unit->nodes = xmalloc(2 * sizeof(*unit->nodes)); - unit->costs = xmalloc(2 * sizeof(*unit->costs)); + unit->nodes = XMALLOCN(ir_node*, 2); + unit->costs = XMALLOCN(int, 2); unit->node_count = 2; unit->nodes[0] = irn; unit->nodes[1] = get_Perm_src(irn); - unit->costs[1] = co->get_costs(co, irn, unit->nodes[1], -1); - } else { - const arch_register_req_t *req = - arch_get_register_req(co->aenv, irn, -1); - + unit->costs[1] = co->get_costs(irn, -1); + } else if (arch_register_req_is(req, should_be_same)) { /* Src == Tgt of a 2-addr-code instruction */ - if (is_2addr_code(req)) { - ir_node *other = get_irn_n(irn, req->other_same); - if (!arch_irn_is(co->aenv, other, ignore) && - !nodes_interfere(co->cenv, irn, other)) { - unit->nodes = xmalloc(2 * sizeof(*unit->nodes)); - unit->costs = xmalloc(2 * sizeof(*unit->costs)); - unit->node_count = 2; - unit->nodes[0] = irn; - unit->nodes[1] = other; - unit->costs[1] = co->get_costs(co, irn, other, -1); + const unsigned other = req->other_same; + int count = 0; + int i; + + for (i = 0; (1U << i) <= other; ++i) { + if (other & (1U << i)) { + ir_node *o = get_irn_n(skip_Proj(irn), i); + if (arch_irn_is_ignore(o)) + continue; + if (nodes_interfere(co->cenv, irn, o)) + continue; + ++count; + } + } + + if (count != 0) { + int k = 0; + ++count; + unit->nodes = XMALLOCN(ir_node*, count); + unit->costs = XMALLOCN(int, count); + unit->node_count = count; + unit->nodes[k++] = irn; + + for (i = 0; 1U << i <= other; ++i) { + if (other & (1U << i)) { + ir_node *o = get_irn_n(skip_Proj(irn), i); + if (!arch_irn_is_ignore(o) && + !nodes_interfere(co->cenv, irn, o)) { + unit->nodes[k] = o; + unit->costs[k] = co->get_costs(irn, -1); + ++k; + } + } } - } else { - assert(0 && "This is not an optimizable node!"); } + } else { + assert(0 && "This is not an optimizable node!"); } /* Insert the new unit at a position according to its costs */ @@ -507,7 +533,7 @@ static void co_collect_units(ir_node *irn, void *env) { struct list_head *tmp; /* Determine the maximum costs this unit can cause: all_nodes_cost */ - for(i=1; inode_count; ++i) { + for (i=1; inode_count; ++i) { unit->sort_key = MAX(unit->sort_key, unit->costs[i]); unit->all_nodes_costs += unit->costs[i]; } @@ -526,17 +552,17 @@ static void co_collect_units(ir_node *irn, void *env) { #ifdef QUICK_AND_DIRTY_HACK -static int compare_ous(const void *k1, const void *k2) { +static int compare_ous(const void *k1, const void *k2) +{ const unit_t *u1 = *((const unit_t **) k1); const unit_t *u2 = *((const unit_t **) k2); int i, o, u1_has_constr, u2_has_constr; arch_register_req_t req; - const arch_env_t *aenv = u1->co->aenv; /* Units with constraints come first */ u1_has_constr = 0; for (i=0; inode_count; ++i) { - arch_get_register_req(aenv, &req, u1->nodes[i], -1); + arch_get_irn_register_req(&req, u1->nodes[i]); if (arch_register_req_is(&req, limited)) { u1_has_constr = 1; break; @@ -545,7 +571,7 @@ static int compare_ous(const void *k1, const void *k2) { u2_has_constr = 0; for (i=0; inode_count; ++i) { - arch_get_register_req(aenv, &req, u2->nodes[i], -1); + arch_get_irn_register_req(&req, u2->nodes[i]); if (arch_register_req_is(&req, limited)) { u2_has_constr = 1; break; @@ -571,14 +597,15 @@ static int compare_ous(const void *k1, const void *k2) { /** * Sort the ou's according to constraints and their sort_key */ -static void co_sort_units(copy_opt_t *co) { +static void co_sort_units(copy_opt_t *co) +{ int i, count = 0, costs; - unit_t *ou, **ous; + unit_t **ous; /* get the number of ous, remove them form the list and fill the array */ list_for_each_entry(unit_t, ou, &co->units, units) count++; - ous = alloca(count * sizeof(*ous)); + ous = ALLOCAN(unit_t, count); costs = co_get_max_copy_costs(co); @@ -607,7 +634,8 @@ static void co_sort_units(copy_opt_t *co) { } #endif -void co_build_ou_structure(copy_opt_t *co) { +void co_build_ou_structure(copy_opt_t *co) +{ DBG((dbg, LEVEL_1, "\tCollecting optimization units\n")); INIT_LIST_HEAD(&co->units); irg_walk_graph(co->irg, co_collect_units, NULL, co); @@ -616,8 +644,8 @@ void co_build_ou_structure(copy_opt_t *co) { #endif } -void co_free_ou_structure(copy_opt_t *co) { - unit_t *curr, *tmp; +void co_free_ou_structure(copy_opt_t *co) +{ ASSERT_OU_AVAIL(co); list_for_each_entry_safe(unit_t, curr, tmp, &co->units, units) { xfree(curr->nodes); @@ -629,9 +657,9 @@ void co_free_ou_structure(copy_opt_t *co) { /* co_solve_heuristic() is implemented in becopyheur.c */ -int co_get_max_copy_costs(const copy_opt_t *co) { +int co_get_max_copy_costs(const copy_opt_t *co) +{ int i, res = 0; - unit_t *curr; ASSERT_OU_AVAIL(co); @@ -643,9 +671,9 @@ int co_get_max_copy_costs(const copy_opt_t *co) { return res; } -int co_get_inevit_copy_costs(const copy_opt_t *co) { +int co_get_inevit_copy_costs(const copy_opt_t *co) +{ int res = 0; - unit_t *curr; ASSERT_OU_AVAIL(co); @@ -654,18 +682,18 @@ int co_get_inevit_copy_costs(const copy_opt_t *co) { return res; } -int co_get_copy_costs(const copy_opt_t *co) { +int co_get_copy_costs(const copy_opt_t *co) +{ int i, res = 0; - unit_t *curr; ASSERT_OU_AVAIL(co); list_for_each_entry(unit_t, curr, &co->units, units) { - int root_col = get_irn_col(co, curr->nodes[0]); + int root_col = get_irn_col(curr->nodes[0]); DBG((dbg, LEVEL_1, " %3d costs for root %+F color %d\n", curr->inevitable_costs, curr->nodes[0], root_col)); res += curr->inevitable_costs; for (i=1; inode_count; ++i) { - int arg_col = get_irn_col(co, curr->nodes[i]); + int arg_col = get_irn_col(curr->nodes[i]); if (root_col != arg_col) { DBG((dbg, LEVEL_1, " %3d for arg %+F color %d\n", curr->costs[i], curr->nodes[i], arg_col)); res += curr->costs[i]; @@ -675,9 +703,9 @@ int co_get_copy_costs(const copy_opt_t *co) { return res; } -int co_get_lower_bound(const copy_opt_t *co) { +int co_get_lower_bound(const copy_opt_t *co) +{ int res = 0; - unit_t *curr; ASSERT_OU_AVAIL(co); @@ -688,27 +716,25 @@ int co_get_lower_bound(const copy_opt_t *co) { 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; + bitset_t *seen = bitset_malloc(get_irg_last_idx(co->irg)); 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); + bitset_set(seen, get_irn_idx(an->irn)); co_gs_foreach_neighb(an, neigh) { - if(!bitset_contains_irn(seen, neigh->irn)) { + if (!bitset_is_set(seen, get_irn_idx(neigh->irn))) { stat->aff_edges += 1; stat->max_costs += neigh->costs; - if(get_irn_col(co, an->irn) != get_irn_col(co, neigh->irn)) { + if (get_irn_col(an->irn) != get_irn_col(neigh->irn)) { stat->costs += neigh->costs; stat->unsatisfied_edges += 1; } - if(nodes_interfere(co->cenv, an->irn, neigh->irn)) { + if (nodes_interfere(co->cenv, an->irn, neigh->irn)) { stat->aff_int += 1; stat->inevit_costs += neigh->costs; } @@ -731,24 +757,26 @@ void co_complete_stats(const copy_opt_t *co, co_complete_stats_t *stat) |_| |___/ ******************************************************************************/ -static int compare_affinity_node_t(const void *k1, const void *k2, size_t size) { - const affinity_node_t *n1 = k1; - const affinity_node_t *n2 = k2; +static int compare_affinity_node_t(const void *k1, const void *k2, size_t size) +{ + const affinity_node_t *n1 = (const affinity_node_t*)k1; + const affinity_node_t *n2 = (const affinity_node_t*)k2; + (void) size; return (n1->irn != n2->irn); } -static void add_edge(copy_opt_t *co, ir_node *n1, ir_node *n2, int costs) { +static void add_edge(copy_opt_t *co, ir_node *n1, ir_node *n2, int costs) +{ affinity_node_t new_node, *node; - neighb_t new_nbr, *nbr; - int allocnew; + neighb_t *nbr; + int allocnew = 1; new_node.irn = n1; new_node.degree = 0; new_node.neighbours = NULL; - node = set_insert(co->nodes, &new_node, sizeof(new_node), nodeset_hash(new_node.irn)); + node = set_insert(affinity_node_t, co->nodes, &new_node, sizeof(new_node), hash_irn(new_node.irn)); - allocnew = 1; for (nbr = node->neighbours; nbr; nbr = nbr->next) if (nbr->irn == n2) { allocnew = 0; @@ -757,11 +785,11 @@ static void add_edge(copy_opt_t *co, ir_node *n1, ir_node *n2, int costs) { /* if we did not find n2 in n1's neighbourhood insert it */ if (allocnew) { - obstack_grow(&co->obst, &new_nbr, sizeof(new_nbr)); - nbr = obstack_finish(&co->obst); + nbr = OALLOC(&co->obst, neighb_t); nbr->irn = n2; nbr->costs = 0; nbr->next = node->neighbours; + node->neighbours = nbr; node->degree++; } @@ -770,58 +798,58 @@ static void add_edge(copy_opt_t *co, ir_node *n1, ir_node *n2, int costs) { nbr->costs += costs; } -static INLINE void add_edges(copy_opt_t *co, ir_node *n1, ir_node *n2, int costs) { +static inline void add_edges(copy_opt_t *co, ir_node *n1, ir_node *n2, int costs) +{ if (! be_ifg_connected(co->cenv->ifg, n1, n2)) { add_edge(co, n1, n2, costs); add_edge(co, n2, n1, costs); } } -static void build_graph_walker(ir_node *irn, void *env) { - copy_opt_t *co = env; +static void build_graph_walker(ir_node *irn, void *env) +{ + const arch_register_req_t *req; + copy_opt_t *co = (copy_opt_t*)env; int pos, max; - const arch_register_t *reg; - if (!is_curr_reg_class(co, irn) || arch_irn_is(co->aenv, irn, ignore)) + if (get_irn_mode(irn) == mode_T) return; - - reg = arch_get_irn_register(co->aenv, irn); - if (arch_register_type_is(reg, ignore)) + req = arch_get_irn_register_req(irn); + if (req->cls != co->cls || arch_register_req_is(req, ignore)) return; - /* Phis */ - if (is_Reg_Phi(irn)) + if (is_Reg_Phi(irn)) { /* Phis */ for (pos=0, max=get_irn_arity(irn); posget_costs(co, irn, arg, pos)); + add_edges(co, irn, arg, co->get_costs(irn, pos)); } - - /* Perms */ - else if (is_Perm_Proj(co->aenv, irn)) { + } else if (is_Perm_Proj(irn)) { /* Perms */ ir_node *arg = get_Perm_src(irn); - add_edges(co, irn, arg, co->get_costs(co, irn, arg, 0)); - } + add_edges(co, irn, arg, co->get_costs(irn, -1)); + } else if (arch_register_req_is(req, should_be_same)) { + const unsigned other = req->other_same; + int i; - /* 2-address code */ - else { - const arch_register_req_t *req = - arch_get_register_req(co->aenv, irn, -1); - if (is_2addr_code(req)) { - ir_node *other = get_irn_n(irn, req->other_same); - if(!arch_irn_is(co->aenv, other, ignore)) - add_edges(co, irn, other, co->get_costs(co, irn, other, 0)); + for (i = 0; 1U << i <= other; ++i) { + if (other & (1U << i)) { + ir_node *other = get_irn_n(skip_Proj(irn), i); + if (!arch_irn_is_ignore(other)) + add_edges(co, irn, other, co->get_costs(irn, -1)); + } } } } -void co_build_graph_structure(copy_opt_t *co) { +void co_build_graph_structure(copy_opt_t *co) +{ obstack_init(&co->obst); co->nodes = new_set(compare_affinity_node_t, 32); irg_walk_graph(co->irg, build_graph_walker, NULL, co); } -void co_free_graph_structure(copy_opt_t *co) { +void co_free_graph_structure(copy_opt_t *co) +{ ASSERT_GS_AVAIL(co); del_set(co->nodes); @@ -829,617 +857,146 @@ void co_free_graph_structure(copy_opt_t *co) { co->nodes = NULL; } -/* co_solve_ilp1() co_solve_ilp2() are implemented in becopyilpX.c */ - -int co_gs_is_optimizable(copy_opt_t *co, ir_node *irn) { +int co_gs_is_optimizable(copy_opt_t *co, ir_node *irn) +{ affinity_node_t new_node, *n; ASSERT_GS_AVAIL(co); new_node.irn = irn; - n = set_find(co->nodes, &new_node, sizeof(new_node), nodeset_hash(new_node.irn)); + n = set_find(affinity_node_t, co->nodes, &new_node, sizeof(new_node), hash_irn(new_node.irn)); if (n) { return (n->degree > 0); } else return 0; } -void co_dump_appel_graph(const copy_opt_t *co, FILE *f) +static int co_dump_appel_disjoint_constraints(const copy_opt_t *co, ir_node *a, ir_node *b) { - be_ifg_t *ifg = co->cenv->ifg; - int *color_map = alloca(co->cls->n_regs * sizeof(color_map[0])); - - ir_node *irn; - void *it, *nit; - int i, n, n_regs; - - n_regs = 0; - for(i = 0; i < co->cls->n_regs; ++i) { - const arch_register_t *reg = &co->cls->regs[i]; - color_map[i] = arch_register_type_is(reg, ignore) ? -1 : n_regs++; - } - - /* - * n contains the first node number. - * the values below n are the pre-colored register nodes - */ - - it = be_ifg_nodes_iter_alloca(ifg); - nit = be_ifg_neighbours_iter_alloca(ifg); - - n = n_regs; - be_ifg_foreach_node(ifg, it, irn) { - if(!arch_irn_is(co->aenv, irn, ignore)) - set_irn_link(irn, INT_TO_PTR(n++)); - } - - fprintf(f, "%d %d\n", n, n_regs); - - be_ifg_foreach_node(ifg, it, irn) { - if(!arch_irn_is(co->aenv, irn, ignore)) { - int idx = PTR_TO_INT(get_irn_link(irn)); - affinity_node_t *a = get_affinity_info(co, irn); - - const arch_register_req_t *req; - ir_node *adj; - - req = arch_get_register_req(co->aenv, irn, BE_OUT_POS(0)); - if(arch_register_req_is(req, limited)) { - for(i = 0; i < co->cls->n_regs; ++i) { - if(!rbitset_is_set(req->limited, i) && color_map[i] >= 0) - fprintf(f, "%d %d -1\n", color_map[i], idx); - } - } - - - be_ifg_foreach_neighbour(ifg, nit, irn, adj) { - if(!arch_irn_is(co->aenv, adj, ignore)) { - int adj_idx = PTR_TO_INT(get_irn_link(adj)); - if(idx < adj_idx) - fprintf(f, "%d %d -1\n", idx, adj_idx); - } - } - - if(a) { - neighb_t *n; + ir_node *nodes[] = { a, b }; + bitset_t *constr[] = { NULL, NULL }; + int j; - co_gs_foreach_neighb(a, n) { - 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, (int) n->costs); - } - } - } - } - } -} + constr[0] = bitset_alloca(co->cls->n_regs); + constr[1] = bitset_alloca(co->cls->n_regs); -typedef struct _appel_clique_walker_t { - ir_phase ph; - const copy_opt_t *co; - int curr_nr; - int node_count; - FILE *f; - int dumb; - int *color_map; - struct obstack obst; -} appel_clique_walker_t; - -typedef struct _appel_block_info_t { - int *live_end_nr; - int *live_in_nr; - int *phi_nr; - ir_node **live_end; - ir_node **live_in; - ir_node **phi; - int n_live_end; - int n_live_in; - int n_phi; -} appel_block_info_t; - -static int appel_aff_weight(const appel_clique_walker_t *env, ir_node *bl) -{ -#if 0 - double freq = get_block_execfreq(env->co->cenv->execfreq, bl); - int res = (int) freq; - return res == 0 ? 1 : res; -#else - ir_loop *loop = get_irn_loop(bl); - if(loop) { - int d = get_loop_depth(loop); - return 1 + d * d; - } - return 1; -#endif -} + for (j = 0; j < 2; ++j) { + const arch_register_req_t *req = arch_get_irn_register_req(nodes[j]); + if (arch_register_req_is(req, limited)) + rbitset_copy_to_bitset(req->limited, constr[j]); + else + bitset_set_all(constr[j]); -static void *appel_clique_walker_irn_init(ir_phase *phase, ir_node *irn, void *old) -{ - appel_block_info_t *res = NULL; - - if(is_Block(irn)) { - appel_clique_walker_t *d = (void *) phase; - res = phase_alloc(phase, sizeof(res[0])); - res->phi_nr = phase_alloc(phase, d->co->cls->n_regs * sizeof(res->live_end_nr)); - res->live_end_nr = phase_alloc(phase, d->co->cls->n_regs * sizeof(res->live_end_nr)); - res->live_in_nr = phase_alloc(phase, d->co->cls->n_regs * sizeof(res->live_in_nr)); - res->live_end = phase_alloc(phase, d->co->cls->n_regs * sizeof(res->live_end)); - res->live_in = phase_alloc(phase, d->co->cls->n_regs * sizeof(res->live_in)); - res->phi = phase_alloc(phase, d->co->cls->n_regs * sizeof(res->live_in)); } - return res; + return !bitset_intersect(constr[0], constr[1]); } -typedef struct _insn_list_t { - be_insn_t *insn; - struct list_head list; -} insn_list_t; - -static int appel_get_live_end_nr(appel_clique_walker_t *env, ir_node *bl, ir_node *irn) +/** + * Dump the interference graph according to the Appel/George coalescing contest file format. + * See: http://www.cs.princeton.edu/~appel/coalesce/format.html + * @note Requires graph structure. + * @param co The copy opt object. + * @param f A file to dump to. + */ +static void co_dump_appel_graph(const copy_opt_t *co, FILE *f) { - appel_block_info_t *bli = phase_get_irn_data(&env->ph, bl); - int i; - - for(i = 0; i < bli->n_live_end; ++i) - if(bli->live_end[i] == irn) - return bli->live_end_nr[i]; + be_ifg_t *ifg = co->cenv->ifg; + int *color_map = ALLOCAN(int, co->cls->n_regs); + int *node_map = XMALLOCN(int, get_irg_last_idx(co->irg) + 1); + ir_graph *irg = co->irg; + be_irg_t *birg = be_birg_from_irg(irg); - return -1; -} - -static int appel_dump_clique(appel_clique_walker_t *env, pset *live, ir_node *bl, int curr_nr, int start_nr) -{ - ir_node **live_arr = alloca(env->co->cls->n_regs * sizeof(live_arr[0])); ir_node *irn; - int n_live; - int j; - - n_live = 0; - foreach_pset(live, irn) - live_arr[n_live++] = irn; + nodes_iter_t it; + neighbours_iter_t nit; + int n, n_regs; + unsigned i; - /* dump the live after clique */ - if(!env->dumb) { - for(j = 0; j < n_live; ++j) { - int k; - - for(k = j + 1; k < n_live; ++k) { - fprintf(env->f, "%d %d -1 ", curr_nr + j, curr_nr + k); - } - fprintf(env->f, "\n"); + n_regs = 0; + for (i = 0; i < co->cls->n_regs; ++i) { + const arch_register_t *reg = &co->cls->regs[i]; + if (rbitset_is_set(birg->allocatable_regs, reg->global_index)) { + color_map[i] = n_regs++; + } else { + color_map[i] = -1; } } - /* dump the affinities */ - for(j = 0; !env->dumb && j < n_live; ++j) { - ir_node *irn = live_arr[j]; - int old_nr = PTR_TO_INT(get_irn_link(irn)); - - /* if the node was already live in the last insn dump the affinity */ - if(old_nr > start_nr) { - int weight = appel_aff_weight(env, bl); - fprintf(env->f, "%d %d %d\n", old_nr, curr_nr + j, weight); - } - } + /* + * n contains the first node number. + * the values below n are the pre-colored register nodes + */ - /* set the current numbers into the link field. */ - for(j = 0; j < n_live; ++j) { - ir_node *irn = live_arr[j]; - set_irn_link(irn, INT_TO_PTR(curr_nr + j)); + n = n_regs; + be_ifg_foreach_node(ifg, &it, irn) { + if (arch_irn_is_ignore(irn)) + continue; + node_map[get_irn_idx(irn)] = n++; } - return curr_nr + n_live; -} - -static void appel_walker(ir_node *bl, void *data) -{ - appel_clique_walker_t *env = data; - appel_block_info_t *bli = phase_get_or_set_irn_data(&env->ph, bl); - 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; - int start_nr = env->curr_nr; - int curr_nr = start_nr; - - be_insn_env_t insn_env; - int i, j; - ir_node *irn; - be_insn_t **insns; - - insn_env.aenv = env->co->aenv; - insn_env.cls = env->co->cls; - insn_env.obst = obst; - insn_env.ignore_colors = env->co->cenv->ignore_colors; - - /* Guess how many insns will be in this block. */ - sched_foreach(bl, irn) - n_nodes++; - - bli->n_phi = 0; - insns = malloc(n_nodes * sizeof(insns[0])); - - /* Put all insns in an array. */ - irn = sched_first(bl); - while(!sched_is_end(irn)) { - be_insn_t *insn; - insn = be_scan_insn(&insn_env, irn); - insns[n_insns++] = insn; - irn = insn->next_insn; - } + fprintf(f, "%d %d\n", n, n_regs); - DBG((dbg, LEVEL_2, "%+F\n", bl)); - be_liveness_end_of_block(lv, env->co->aenv, env->co->cls, bl, live); + be_ifg_foreach_node(ifg, &it, irn) { + arch_register_req_t const *const req = arch_get_irn_register_req(irn); + if (arch_register_req_is(req, ignore)) + continue; - /* Generate the bad and ugly. */ - for(i = n_insns - 1; i >= 0; --i) { - be_insn_t *insn = insns[i]; + int idx = node_map[get_irn_idx(irn)]; + affinity_node_t *a = get_affinity_info(co, irn); + ir_node *adj; - /* The first live set has to be saved in the block border set. */ - if(i == n_insns - 1) { - j = 0; - foreach_pset(live, irn) { - bli->live_end[j] = irn; - bli->live_end_nr[j] = curr_nr + j; - ++j; + if (arch_register_req_is(req, limited)) { + for (i = 0; i < co->cls->n_regs; ++i) { + if (!rbitset_is_set(req->limited, i) && color_map[i] >= 0) + fprintf(f, "%d %d -1\n", color_map[i], idx); } - bli->n_live_end = j; } - if(!env->dumb) { - for(j = 0; j < insn->use_start; ++j) { - ir_node *op = insn->ops[j].carrier; - bitset_t *adm = insn->ops[j].regs; - int k; - int nr; - - if(!insn->ops[j].has_constraints) - continue; - - nr = 0; - foreach_pset(live, irn) { - if(irn == op) { - pset_break(live); - break; - } - ++nr; - } - - assert(nr < pset_count(live)); - - for(k = 0; k < env->co->cls->n_regs; ++k) { - int mapped_col = env->color_map[k]; - if(mapped_col >= 0 && !bitset_is_set(adm, k) && !bitset_is_set(env->co->cenv->ignore_colors, k)) - fprintf(env->f, "%d %d -1\n", curr_nr + nr, mapped_col); - } + be_ifg_foreach_neighbour(ifg, &nit, irn, adj) { + if (!arch_irn_is_ignore(adj) && + !co_dump_appel_disjoint_constraints(co, irn, adj)) { + int adj_idx = node_map[get_irn_idx(adj)]; + if (idx < adj_idx) + fprintf(f, "%d %d -1\n", idx, adj_idx); } } - /* dump the clique and update the stuff. */ - curr_nr = appel_dump_clique(env, live, bl, curr_nr, start_nr); - - /* remove all defs. */ - for(j = 0; j < insn->use_start; ++j) - pset_remove_ptr(live, insn->ops[j].carrier); - - if(is_Phi(insn->irn) && arch_irn_consider_in_reg_alloc(env->co->aenv, env->co->cls, insn->irn)) { - bli->phi[bli->n_phi] = insn->irn; - bli->phi_nr[bli->n_phi] = PTR_TO_INT(get_irn_link(insn->irn)); - bli->n_phi++; - } - - /* add all uses */ - else - for(j = insn->use_start; j < insn->n_ops; ++j) - pset_insert_ptr(live, insn->ops[j].carrier); - } - - /* print the start clique. */ - curr_nr = appel_dump_clique(env, live, bl, curr_nr, start_nr); - - i = 0; - foreach_pset(live, irn) { - bli->live_in[i] = irn; - bli->live_in_nr[i] = PTR_TO_INT(get_irn_link(irn)); - ++i; - } - bli->n_live_in = i; - - del_pset(live); - free(insns); - obstack_free(obst, base); - env->curr_nr = curr_nr; -} - -static void appel_inter_block_aff(ir_node *bl, void *data) -{ - appel_clique_walker_t *env = data; - appel_block_info_t *bli = phase_get_irn_data(&env->ph, bl); - - int i, j, n; - - for(i = 0; i < bli->n_live_in; ++i) { - ir_node *irn = bli->live_in[i]; - - for(j = 0, n = get_Block_n_cfgpreds(bl); j < n; ++j) { - ir_node *pred = get_Block_cfgpred_block(bl, j); - - int nr = appel_get_live_end_nr(env, pred, irn); - assert(nr >= 0); - fprintf(env->f, "%d %d 1\n", bli->live_in_nr[i], nr); - } - } - - for(i = 0; i < bli->n_phi; ++i) { - ir_node *irn = bli->phi[i]; - - for(j = 0, n = get_Block_n_cfgpreds(bl); j < n; ++j) { - ir_node *pred = get_Block_cfgpred_block(bl, j); - ir_node *op = get_irn_n(irn, j); - - int nr = appel_get_live_end_nr(env, pred, op); - assert(nr >= 0); - fprintf(env->f, "%d %d 1\n", bli->phi_nr[i], nr); - } - } - -} - -void co_dump_appel_graph_cliques(const copy_opt_t *co, FILE *f) -{ - int i; - 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_recompute(lv); - obstack_init(&env.obst); - phase_init(&env.ph, "appel_clique_dumper", co->irg, PHASE_DEFAULT_GROWTH, appel_clique_walker_irn_init, NULL); - env.curr_nr = co->cls->n_regs; - env.co = co; - env.f = f; - - bitset_copy(adm, co->cenv->ignore_colors); - bitset_flip_all(adm); - - /* Make color map. */ - env.color_map = alloca(co->cls->n_regs * sizeof(env.color_map[0])); - for(i = 0, n_colors = 0; i < co->cls->n_regs; ++i) { - const arch_register_t *reg = &co->cls->regs[i]; - env.color_map[i] = arch_register_type_is(reg, ignore) ? -1 : n_colors++; - } - - env.dumb = 1; - env.curr_nr = n_colors; - irg_block_walk_graph(co->irg, firm_clear_link, NULL, NULL); - irg_block_walk_graph(co->irg, appel_walker, NULL, &env); - - fprintf(f, "%d %d\n", env.curr_nr, n_colors); - - /* make the first k nodes interfere */ - for(i = 0; i < n_colors; ++i) { - int j; - for(j = i + 1; j < n_colors; ++j) - fprintf(f, "%d %d -1 ", i, j); - fprintf(f, "\n"); - } - - env.dumb = 0; - env.curr_nr = n_colors; - irg_block_walk_graph(co->irg, firm_clear_link, NULL, NULL); - irg_block_walk_graph(co->irg, appel_walker, NULL, &env); - irg_block_walk_graph(co->irg, appel_inter_block_aff, NULL, &env); - 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); - const arch_register_req_t *req; - int limited; - - req = arch_get_register_req(env->co->aenv, 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 0 - // TODO fix this... - 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); - } -#endif - 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"); + if (a) { + co_gs_foreach_neighb(a, n) { + if (!arch_irn_is_ignore(n->irn)) { + int n_idx = node_map[get_irn_idx(n->irn)]; + if (idx < n_idx) + fprintf(f, "%d %d %d\n", idx, n_idx, (int) n->costs); + } } } } -} - - -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; + xfree(node_map); } -/* - _ _ _ _ _ - / \ | | __ _ ___ _ __(_) |_| |__ _ __ ___ ___ - / _ \ | |/ _` |/ _ \| '__| | __| '_ \| '_ ` _ \/ __| - / ___ \| | (_| | (_) | | | | |_| | | | | | | | \__ \ - /_/ \_\_|\__, |\___/|_| |_|\__|_| |_|_| |_| |_|___/ - |___/ -*/ - -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 }, - { co_solve_heuristic_mst, "heur4", 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) +static FILE *my_open(const be_chordal_env_t *env, const char *prefix, + const char *suffix) { FILE *result; char buf[1024]; + size_t i, n; + char *tu_name; + const char *cup_name = be_get_irg_main_env(env->irg)->cup_name; + + n = strlen(cup_name); + tu_name = XMALLOCN(char, n + 1); + strcpy(tu_name, cup_name); + for (i = 0; i < n; ++i) + if (tu_name[i] == '.') + tu_name[i] = '_'; - ir_snprintf(buf, sizeof(buf), "%s%F_%s%s", prefix, env->irg, env->cls->name, suffix); + + 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); } @@ -1448,98 +1005,92 @@ static FILE *my_open(const be_chordal_env_t *env, const char *prefix, const char void co_driver(be_chordal_env_t *cenv) { - lc_timer_t *timer = lc_timer_register("firm.be.copyopt", "runtime"); + ir_timer_t *timer = ir_timer_new(); 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) + assert(selected_copyopt); + + /* skip copymin if algo is 'none' */ + if (selected_copyopt->copyopt == void_algo) return; + be_assure_live_chk(cenv->irg); + 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); + stat_ev_ull("co_aff_nodes", before.aff_nodes); + stat_ev_ull("co_aff_edges", before.aff_edges); + stat_ev_ull("co_max_costs", before.max_costs); + stat_ev_ull("co_inevit_costs", before.inevit_costs); + 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); - } + stat_ev_ull("co_init_costs", before.costs); + stat_ev_ull("co_init_unsat", before.unsatisfied_edges); if (dump_flags & DUMP_BEFORE) { - FILE *f = my_open(cenv, "", "-before.dot"); - co_dump_ifg_dot(co, f, style_flags); + FILE *f = my_open(cenv, "", "-before.vcg"); + be_dump_ifg_co(f, co, style_flags & CO_IFG_DUMP_LABELS, style_flags & CO_IFG_DUMP_COLORS); fclose(f); } - /* if the algo can improve results, provide an initial solution with heur3 */ - if (improve && algos[algo].can_improve_existing) { + /* if the algo can improve results, provide an initial solution with heur1 */ + if (improve && selected_copyopt->can_improve_existing) { co_complete_stats_t stats; /* produce a heuristic solution */ -#ifdef WITH_JVM - co_solve_heuristic_java(co); -#else co_solve_heuristic(co); -#endif /* WITH_JVM */ /* do the stats and provide the current costs */ co_complete_stats(co, &stats); - be_stat_ev_ull("co_prepare_costs", stats.costs); + 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 /* WITH_JVM */ - - algo_func = algos[algo].algo; - /* perform actual copy minimization */ - lc_timer_reset_and_start(timer); - was_optimal = algo_func(co); - lc_timer_stop(timer); + ir_timer_reset_and_start(timer); + was_optimal = selected_copyopt->copyopt(co); + ir_timer_stop(timer); - be_stat_ev("co_time", lc_timer_elapsed_msec(timer)); - be_stat_ev_ull("co_optimal", was_optimal); + stat_ev_dbl("co_time", ir_timer_elapsed_msec(timer)); + stat_ev_ull("co_optimal", was_optimal); + ir_timer_free(timer); if (dump_flags & DUMP_AFTER) { - FILE *f = my_open(cenv, "", "-after.dot"); - co_dump_ifg_dot(co, f, style_flags); + FILE *f = my_open(cenv, "", "-after.vcg"); + be_dump_ifg_co(f, co, style_flags & CO_IFG_DUMP_LABELS, style_flags & CO_IFG_DUMP_COLORS); 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; + unsigned long long optimizable_costs = after.max_costs - after.inevit_costs; + unsigned long long 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); + printf("%10s %10llu%10llu%10llu", 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); + if (optimizable_costs > 0) + printf("%10llu %5.2f\n", after.costs, (evitable * 100.0) / optimizable_costs); else - printf("%10" ULL_FMT " %5s\n", after.costs, "-"); + printf("%10llu %5s\n", after.costs, "-"); + } + + /* Dump the interference graph in Appel's format. */ + if (dump_flags & DUMP_APPEL) { + FILE *f = my_open(cenv, "", ".apl"); + fprintf(f, "# %llu %llu\n", after.costs, after.unsatisfied_edges); + co_dump_appel_graph(co, f); + fclose(f); } - be_stat_ev_ull("co_after_costs", after.costs); - be_stat_ev_ull("co_after_unsat", after.unsatisfied_edges); + stat_ev_ull("co_after_costs", after.costs); + stat_ev_ull("co_after_unsat", after.unsatisfied_edges); co_free_graph_structure(co); co_free_ou_structure(co);