#include <stdarg.h>
#include <stdio.h>
-// FIXME remove me later
-#include <unistd.h>
-int fileno(FILE *stream);
-int readlink(const char *path, char *buf, size_t bufsiz);
-
#ifdef WITH_LIBCORE
#include <libcore/lc_opts.h>
#include <libcore/lc_opts_enum.h>
#include "bestat.h"
#include "beverify.h"
#include "beprofile.h"
+#include "beblocksched.h"
+#include "be_dbgout.h"
/* options visible for anyone */
static be_options_t be_options = {
DUMP_NONE, /* dump flags */
BE_TIME_OFF, /* no timing */
- BE_SCHED_SELECT_HEUR, /* mueller heuristic selector */
0, /* no opt profile */
- 0, /* disable mris */
1, /* try to omit frame pointer */
+ 0, /* always stabs debugging output */
BE_VRFY_WARN, /* verification level: warn */
"i44pc52.info.uni-karlsruhe.de", /* ilp server */
"cplex" /* ilp solver */
{ NULL, 0 }
};
-/* schedule selector options. */
-static const lc_opt_enum_int_items_t sched_select_items[] = {
- { "trivial", BE_SCHED_SELECT_TRIVIAL },
- { "regpress", BE_SCHED_SELECT_REGPRESS },
- { "muchnik", BE_SCHED_SELECT_MUCHNIK },
- { "heur", BE_SCHED_SELECT_HEUR },
- { "hmuchnik", BE_SCHED_SELECT_HMUCHNIK },
- { NULL, 0 }
-};
-
static lc_opt_enum_mask_var_t dump_var = {
&be_options.dump_flags, dump_items
};
&be_options.vrfy_option, vrfy_items
};
-static lc_opt_enum_int_var_t sched_select_var = {
- &be_options.sched_select, sched_select_items
-};
-
static const lc_opt_table_entry_t be_main_options[] = {
- LC_OPT_ENT_STR ("config", "read another config file containing backend options", config_file, sizeof(config_file)),
- LC_OPT_ENT_ENUM_MASK("dump", "dump irg on several occasions", &dump_var),
- LC_OPT_ENT_ENUM_PTR ("ra", "register allocator", &ra_var),
- LC_OPT_ENT_ENUM_PTR ("isa", "the instruction set architecture", &isa_var),
- LC_OPT_ENT_NEGBOOL ("noomitfp", "do not omit frame pointer", &be_options.omit_fp),
- LC_OPT_ENT_ENUM_PTR ("vrfy", "verify the backend irg (off, warn, assert)", &vrfy_var),
- LC_OPT_ENT_BOOL ("time", "get backend timing statistics", &be_options.timing),
- LC_OPT_ENT_BOOL ("profile", "instrument the code for execution count profiling", &be_options.opt_profile),
- LC_OPT_ENT_BOOL ("sched.mris", "enable mris schedule preparation", &be_options.mris),
- LC_OPT_ENT_ENUM_PTR ("sched.select", "schedule node selector (trivial, regpress, muchnik, heur, hmuchnik)", &sched_select_var),
+ LC_OPT_ENT_STR ("config", "read another config file containing backend options", config_file, sizeof(config_file)),
+ LC_OPT_ENT_ENUM_MASK("dump", "dump irg on several occasions", &dump_var),
+ LC_OPT_ENT_ENUM_PTR ("ra", "register allocator", &ra_var),
+ LC_OPT_ENT_ENUM_PTR ("isa", "the instruction set architecture", &isa_var),
+ LC_OPT_ENT_NEGBOOL ("noomitfp", "do not omit frame pointer", &be_options.omit_fp),
+ LC_OPT_ENT_BOOL ("stabs", "enable stabs debug support", &be_options.stabs_debug_support),
+ LC_OPT_ENT_ENUM_PTR ("vrfy", "verify the backend irg", &vrfy_var),
+ LC_OPT_ENT_BOOL ("time", "get backend timing statistics", &be_options.timing),
+ LC_OPT_ENT_BOOL ("profile", "instrument the code for execution count profiling", &be_options.opt_profile),
#ifdef WITH_ILP
LC_OPT_ENT_STR ("ilp.server", "the ilp server name", be_options.ilp_server, sizeof(be_options.ilp_server)),
static int run_once = 0;
if (! run_once) {
- run_once = 1;
- be_grp_root = lc_opt_get_grp(firm_opt_get_root(), "be");
- be_grp_ra = lc_opt_get_grp(be_grp_root, "ra");
+ run_once = 1;
+ be_grp_root = lc_opt_get_grp(firm_opt_get_root(), "be");
+ be_grp_ra = lc_opt_get_grp(be_grp_root, "ra");
lc_opt_add_table(be_grp_root, be_main_options);
const arch_isa_if_t *isa = isa_items[i].value;
isa->register_options(be_grp_root);
}
+
+ /* scheduler register options */
+ list_sched_register_options(be_grp_root);
+
+ be_block_schedule_register_options(be_grp_root);
}
#endif /* WITH_LIBCORE */
}
env->phi_handler = be_phi_handler_new(env->arch_env);
arch_env_push_irn_handler(env->arch_env, env->phi_handler);
+ env->db_handle = be_options.stabs_debug_support ? be_stabs_open(file_handle) : be_nulldbg_open();
return env;
}
static void be_done_env(be_main_env_t *env)
{
env->arch_env->isa->impl->done(env->arch_env->isa);
+ be_dbg_close(env->db_handle);
be_phi_handler_free(env->phi_handler);
obstack_free(&env->obst, NULL);
}
*/
static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env)
{
- const arch_code_generator_if_t *cg_if;
- arch_isa_t *isa = env->arch_env->isa;
-
memset(birg, 0, sizeof(*birg));
birg->irg = irg;
birg->main_env = env;
/* set the current graph (this is important for several firm functions) */
current_ir_graph = irg;
- /* Get the code generator interface. */
- cg_if = isa->impl->get_code_generator_if(isa);
-
- /* get a code generator for this graph. */
- birg->cg = cg_if->init(birg);
-
/* Normalize proj nodes. */
normalize_proj_nodes(irg);
/* Make just one return node. */
normalize_one_return(irg);
- optimize_cf(irg);
-
/* Remove critical edges */
remove_critical_cf_edges(irg);
/* reset the phi handler. */
be_phi_handler_reset(env->phi_handler);
-
- /* some transformations need to be done before abi introduce */
- arch_code_generator_before_abi(birg->cg);
}
#ifdef WITH_LIBCORE
* and call the architecture specific code generator.
*
* @param file_handle the file handle the output will be written to
+ * @param cup_name name of the compilation unit
*/
-static void be_main_loop(FILE *file_handle)
+static void be_main_loop(FILE *file_handle, const char *cup_name)
{
int i;
arch_isa_t *isa;
unsigned num_nodes_a = 0;
unsigned num_nodes_r = 0;
char prof_filename[256];
- char path[256];
static const char suffix[] = ".prof";
be_irg_t *birgs;
unsigned num_birgs;
+ be_ra_timer_t *ra_timer;
+
#ifdef WITH_LIBCORE
- //lc_timer_t *t_prolog = NULL;
- lc_timer_t *t_abi = NULL;
- lc_timer_t *t_codegen = NULL;
- lc_timer_t *t_sched = NULL;
- lc_timer_t *t_constr = NULL;
+ lc_timer_t *t_abi = NULL;
+ lc_timer_t *t_codegen = NULL;
+ lc_timer_t *t_sched = NULL;
+ lc_timer_t *t_constr = NULL;
lc_timer_t *t_regalloc = NULL;
- lc_timer_t *t_finish = NULL;
- lc_timer_t *t_emit = NULL;
- lc_timer_t *t_other = NULL;
- lc_timer_t *t_verify = NULL;
- be_ra_timer_t *ra_timer;
+ lc_timer_t *t_finish = NULL;
+ lc_timer_t *t_emit = NULL;
+ lc_timer_t *t_other = NULL;
+ lc_timer_t *t_verify = NULL;
if (be_options.timing == BE_TIME_ON) {
- //t_prolog = lc_timer_register("prolog", "prolog");
t_abi = lc_timer_register("beabi", "be abi introduction");
t_codegen = lc_timer_register("codegen", "codegeneration");
t_sched = lc_timer_register("sched", "scheduling");
isa = arch_env_get_isa(env.arch_env);
+ be_dbg_so(env.db_handle, cup_name);
+ be_dbg_types(env.db_handle);
+
+ /* we might need 1 birg more for instrumentation constructor */
num_birgs = get_irp_n_irgs();
- // we might need 1 birg more for instrumentation constructor
- birgs = alloca(sizeof(birgs[0]) * (num_birgs + 1));
+ birgs = alloca(sizeof(birgs[0]) * (num_birgs + 1));
+ /* First: initialize all birgs */
for(i = 0; i < get_irp_n_irgs(); ++i) {
ir_graph *irg = get_irp_irg(i);
initialize_birg(&birgs[i], irg, &env);
}
- /* please FIXME! I'm a dirty hack. */
- snprintf(path, sizeof(path), "/proc/self/fd/%d", fileno(file_handle));
- memset(prof_filename, 0, sizeof(path));
- readlink(path, prof_filename, sizeof(path) - sizeof(suffix));
+ /*
+ Get the filename for the profiling data.
+ Beware: '\0' is already included in sizeof(suffix)
+ */
+ memset(prof_filename, 0, sizeof(prof_filename));
+ strncpy(prof_filename, cup_name, sizeof(prof_filename) - sizeof(suffix));
strcat(prof_filename, suffix);
- if(be_options.opt_profile) {
- ir_graph *prof_init_irg = be_profile_instrument(prof_filename);
+ /*
+ Next: Either instruments all irgs with profiling code
+ or try to read in profile data for current translation unit.
+ */
+ if (be_options.opt_profile) {
+ ir_graph *prof_init_irg = be_profile_instrument(prof_filename, profile_default);
initialize_birg(&birgs[num_birgs], prof_init_irg, &env);
num_birgs++;
- pset_insert_ptr(env.arch_env->constructor_entities, get_irg_entity(prof_init_irg));
- } else {
+ set_method_img_section(get_irg_entity(prof_init_irg), section_constructors);
+ }
+ else {
be_profile_read(prof_filename);
}
/* For all graphs */
for (i = 0; i < num_birgs; ++i) {
be_irg_t *birg = & birgs[i];
- ir_graph *irg = birg->irg;
+ ir_graph *irg = birg->irg;
optimization_state_t state;
+ const arch_code_generator_if_t *cg_if;
- birg->execfreqs = compute_execfreq(irg, 10);
+ /* set the current graph (this is important for several firm functions) */
+ current_ir_graph = irg;
/* stop and reset timers */
BE_TIMER_ONLY(
- //LC_STOP_AND_RESET_TIMER(t_prolog);
LC_STOP_AND_RESET_TIMER(t_abi);
LC_STOP_AND_RESET_TIMER(t_codegen);
LC_STOP_AND_RESET_TIMER(t_sched);
);
BE_TIMER_PUSH(t_other); /* t_other */
+ /**
+ * Create execution frequencies from profile data or estimate some
+ */
+ if (be_profile_has_data()) {
+ birg->execfreqs = be_create_execfreqs_from_profile(irg);
+ } else {
+ birg->execfreqs = compute_execfreq(irg, 10);
+ }
+
BE_TIMER_ONLY(num_nodes_b = get_num_reachable_nodes(irg));
- /* set the current graph (this is important for several firm functions) */
- current_ir_graph = irg;
+ /* Get the code generator interface. */
+ cg_if = isa->impl->get_code_generator_if(isa);
+
+ /* get a code generator for this graph. */
+ birg->cg = cg_if->init(birg);
+
+ /* some transformations need to be done before abi introduce */
+ arch_code_generator_before_abi(birg->cg);
/* reset the phi handler. */
be_phi_handler_reset(env.phi_handler);
be_do_stat_nodes(irg, "03 Prepare");
/*
- * Since the code generator made a lot of new nodes and skipped
- * a lot of old ones, we should do dead node elimination here.
- * Note that this requires disabling the edges here.
- */
+ Since the code generator made a lot of new nodes and skipped
+ a lot of old ones, we should do dead node elimination here.
+ Note that this requires disabling the edges here.
+ */
edges_deactivate(irg);
//dead_node_elimination(irg);
edges_activate(irg);
dump(DUMP_RA, irg, "-ra", dump_ir_block_graph_sched);
be_do_stat_nodes(irg, "06 Register Allocation");
- /* let the codegenerator prepare the graph for emitter */
+ /* let the code generator prepare the graph for emitter */
BE_TIMER_PUSH(t_finish);
arch_code_generator_after_ra(birg->cg);
BE_TIMER_POP(t_finish);
printf("# nodes at begin: %u\n", num_nodes_b);
printf("# nodes before ra: %u\n", num_nodes_r);
printf("# nodes at end: %u\n\n", num_nodes_a);
- //LC_EMIT(t_prolog);
LC_EMIT(t_abi);
LC_EMIT(t_codegen);
LC_EMIT(t_sched);
}
/* Main interface to the frontend. */
-void be_main(FILE *file_handle)
+void be_main(FILE *file_handle, const char *cup_name)
{
#ifdef WITH_LIBCORE
lc_timer_t *t = NULL;
set_visit_pseudo_irgs(0);
be_node_init();
- be_main_loop(file_handle);
+ be_main_loop(file_handle, cup_name);
#ifdef WITH_LIBCORE
if (be_options.timing == BE_TIME_ON) {
projects / libfirm / blobdiff