/*
- * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2011 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
#include "be_dbgout.h"
#include "beirg.h"
#include "bestack.h"
+#include "beemitter.h"
#define NEW_ID(s) new_id_from_chars(s, sizeof(s) - 1)
static be_options_t be_options = {
DUMP_NONE, /* dump flags */
BE_TIME_OFF, /* no timing */
- 0, /* no opt profile */
+ false, /* profile_generate */
+ false, /* profile_use */
0, /* try to omit frame pointer */
0, /* create PIC code */
BE_VERIFY_WARN, /* verification level: warn */
- "i44pc52.info.uni-karlsruhe.de", /* ilp server */
- "cplex", /* ilp solver */
+ "", /* ilp server */
+ "", /* ilp solver */
0, /* enable statistic event dumping */
"", /* print stat events */
};
LC_OPT_ENT_ENUM_MASK("dump", "dump irg on several occasions", &dump_var),
LC_OPT_ENT_BOOL ("omitfp", "omit frame pointer", &be_options.omit_fp),
LC_OPT_ENT_BOOL ("pic", "create PIC code", &be_options.pic),
- LC_OPT_ENT_ENUM_PTR ("verify", "verify the backend irg", &verify_var),
+ LC_OPT_ENT_ENUM_INT ("verify", "verify the backend irg", &verify_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 FIRM_STATISTICS
+ LC_OPT_ENT_BOOL ("profilegenerate", "instrument the code for execution count profiling", &be_options.opt_profile_generate),
+ LC_OPT_ENT_BOOL ("profileuse", "use existing profile data", &be_options.opt_profile_use),
LC_OPT_ENT_BOOL ("statev", "dump statistic events", &be_options.statev),
- LC_OPT_ENT_STR ("filtev", "filter for stat events (regex if support is active", &be_options.filtev, sizeof(be_options.filtev)),
-#endif
+ LC_OPT_ENT_STR ("filtev", "filter for stat events (regex if support is active", be_options.filtev),
-#ifdef WITH_ILP
- LC_OPT_ENT_STR ("ilp.server", "the ilp server name", be_options.ilp_server, sizeof(be_options.ilp_server)),
- LC_OPT_ENT_STR ("ilp.solver", "the ilp solver name", be_options.ilp_solver, sizeof(be_options.ilp_solver)),
-#endif /* WITH_ILP */
+ LC_OPT_ENT_STR("ilp.server", "the ilp server name", be_options.ilp_server),
+ LC_OPT_ENT_STR("ilp.solver", "the ilp solver name", be_options.ilp_solver),
LC_OPT_LAST
};
memset(asm_constraint_flags, 0, sizeof(asm_constraint_flags));
env->arch_env = arch_env_init(isa_if, file_handle, env);
- be_dbg_open();
return env;
}
*/
static void be_done_env(be_main_env_t *env)
{
- arch_env_done(env->arch_env);
- be_dbg_close();
-
pmap_destroy(env->ent_trampoline_map);
pmap_destroy(env->ent_pic_symbol_map);
free_type(env->pic_trampolines_type);
/* Remove critical edges */
remove_critical_cf_edges_ex(irg, /*ignore_exception_edges=*/0);
+ /* For code generation all unreachable code and Bad nodes should be gone */
+ remove_unreachable_code(irg);
+ remove_bads(irg);
+
/* Ensure, that the ir_edges are computed. */
edges_assure(irg);
void be_lower_for_target(void)
{
- int i;
+ size_t i;
isa_if->lower_for_target();
/* set the phase to low */
- for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
- ir_graph *irg = get_irp_irg(i);
+ for (i = get_irp_n_irgs(); i > 0;) {
+ ir_graph *irg = get_irp_irg(--i);
set_irg_phase_state(irg, phase_low);
}
set_irp_phase_state(phase_low);
}
+static void emit_global_asms(void)
+{
+ size_t n = get_irp_n_asms();
+ size_t i;
+ for (i = 0; i < n; ++i) {
+ be_emit_cstring("#APP\n");
+ be_emit_ident(get_irp_asm(i));
+ be_emit_cstring("\n#NO_APP\n");
+ }
+}
+
/**
* The Firm backend main loop.
* Do architecture specific lowering for all graphs
{
static const char suffix[] = ".prof";
- int i, num_birgs, stat_active = 0;
+ size_t i, num_birgs;
be_main_env_t env;
char prof_filename[256];
be_irg_t *birgs;
be_init_env(&env, file_handle);
env.cup_name = cup_name;
- be_dbg_so(cup_name);
+ be_dbg_open();
+ be_dbg_unit_begin(cup_name);
be_dbg_types();
+ emit_global_asms();
+
arch_env = env.arch_env;
/* backend may provide an ordered list of irgs where code should be
Get the filename for the profiling data.
Beware: '\0' is already included in sizeof(suffix)
*/
- sprintf(prof_filename, "%.*s%s\n", (int)(sizeof(prof_filename) - sizeof(suffix)), cup_name, suffix);
-
- /*
- 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 = ir_profile_instrument(prof_filename, profile_default);
+ sprintf(prof_filename, "%.*s%s",
+ (int)(sizeof(prof_filename) - sizeof(suffix)), cup_name, suffix);
+
+ if (be_options.opt_profile_use) {
+ bool res = ir_profile_read(prof_filename);
+ if (!res) {
+ fprintf(stderr, "Warning: Couldn't read profile data '%s'\n",
+ prof_filename);
+ }
+ }
+ if (be_options.opt_profile_generate) {
+ ir_graph *prof_init_irg
+ = ir_profile_instrument(prof_filename);
initialize_birg(&birgs[num_birgs], prof_init_irg, &env);
num_birgs++;
- } else {
- ir_profile_read(prof_filename);
}
-#ifdef FIRM_STATISTICS
- stat_active = stat_is_active();
-#endif /* FIRM_STATISTICS */
-
/* For all graphs */
for (i = 0; i < num_birgs; ++i) {
be_irg_t *birg = &birgs[i];
/* set the current graph (this is important for several firm functions) */
current_ir_graph = irg;
- stat_ev_if {
+ if (stat_ev_enabled) {
stat_ev_ctx_push_fobj("bemain_irg", irg);
be_stat_ev("bemain_insns_start", be_count_insns(irg));
be_stat_ev("bemain_blocks_start", be_count_blocks(irg));
dump(DUMP_ABI, irg, "abi");
}
- /* we have to do cfopt+remove_critical_edges as we can't have Bad-blocks
- * or critical edges in the backend */
- optimize_cf(irg);
+ /* We can't have Bad-blocks or critical edges in the backend.
+ * Before removing Bads, we remove unreachable code. */
+ optimize_graph_df(irg);
remove_critical_cf_edges(irg);
+ remove_bads(irg);
/* We often have dead code reachable through out-edges here. So for
* now we rebuild edges (as we need correct user count for code
be_sched_verify(irg, be_options.verify_option);
be_timer_pop(T_VERIFY);
- stat_ev_if {
+ if (stat_ev_enabled) {
stat_ev_dbl("bemain_costs_before_ra",
be_estimate_irg_costs(irg, birg->exec_freq));
be_stat_ev("bemain_insns_before_ra", be_count_insns(irg));
/* Do register allocation */
be_allocate_registers(irg);
-#ifdef FIRM_STATISTICS
stat_ev_dbl("bemain_costs_before_ra", be_estimate_irg_costs(irg, birg->exec_freq));
-#endif
dump(DUMP_RA, irg, "ra");
- /* let the code generator prepare the graph for emitter */
- be_timer_push(T_FINISH);
- if (arch_env->impl->after_ra != NULL)
- arch_env->impl->after_ra(irg);
- be_timer_pop(T_FINISH);
-
- /* fix stack offsets */
- be_timer_push(T_ABI);
- be_abi_fix_stack_nodes(irg);
- be_remove_dead_nodes_from_schedule(irg);
- be_abi_fix_stack_bias(irg);
- be_timer_pop(T_ABI);
-
- dump(DUMP_SCHED, irg, "fix_stack_after_ra");
-
be_timer_push(T_FINISH);
if (arch_env->impl->finish != NULL)
arch_env->impl->finish(irg);
dump(DUMP_FINAL, irg, "finish");
- stat_ev_if {
+ if (stat_ev_enabled) {
be_stat_ev("bemain_insns_finish", be_count_insns(irg));
be_stat_ev("bemain_blocks_finish", be_count_blocks(irg));
}
be_free_birg(irg);
stat_ev_ctx_pop("bemain_irg");
}
+
+ arch_env_done(arch_env);
+
+ be_dbg_unit_end();
+ be_dbg_close();
+
ir_profile_free();
be_done_env(&env);
ir_timer_reset_and_start(t);
}
-#ifdef FIRM_STATISTICS
if (be_options.statev) {
const char *dot = strrchr(cup_name, '.');
const char *pos = dot ? dot : cup_name + strlen(cup_name);
stat_ev_begin(buf, be_options.filtev);
stat_ev_ctx_push_str("bemain_compilation_unit", cup_name);
}
-#endif
be_main_loop(file_handle, cup_name);
if (be_options.timing == BE_TIME_ON) {
ir_timer_stop(t);
ir_timer_leave_high_priority();
- stat_ev_if {
+ if (stat_ev_enabled) {
stat_ev_dbl("bemain_backend_time", ir_timer_elapsed_msec(t));
} else {
double val = ir_timer_elapsed_usec(t) / 1000.0;
}
}
-#ifdef FIRM_STATISTICS
if (be_options.statev) {
stat_ev_ctx_pop("bemain_compilation_unit");
stat_ev_end();
}
-#endif
}
static int do_lower_for_target(ir_prog *irp, void *context)
projects / libfirm / blobdiff