#include "irgopt.h"
#include "irgraph.h"
#include "irdump.h"
-#include "phiclass.h"
#include "irdom_t.h"
#include "iredges_t.h"
#include "irloop_t.h"
#include "execfreq.h"
#include "irprofile.h"
-#include "bearch_t.h"
+#include "bearch.h"
#include "be_t.h"
#include "bemodule.h"
#include "beutil.h"
-#include "benode_t.h"
+#include "benode.h"
#include "beirgmod.h"
-#include "besched_t.h"
+#include "besched.h"
#include "belistsched.h"
#include "belive_t.h"
#include "bera.h"
#include "bestat.h"
#include "beverify.h"
#include "be_dbgout.h"
-#include "beirg_t.h"
+#include "beirg.h"
#define NEW_ID(s) new_id_from_chars(s, sizeof(s) - 1)
LC_OPT_ENT_BOOL ("omitleaffp", "omit frame pointer in leaf routines", &be_options.omit_leaf_fp),
LC_OPT_ENT_BOOL ("pic", "create PIC code", &be_options.pic),
LC_OPT_ENT_BOOL ("gprof", "create gprof profiling code", &be_options.gprof),
- LC_OPT_ENT_ENUM_PTR ("vrfy", "verify the backend irg", &vrfy_var),
+ LC_OPT_ENT_ENUM_PTR ("verify", "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),
LC_OPT_ENT_ENUM_PTR ("sched", "select a scheduler", &sched_var),
if (tflags != 0) {
flags |= tflags;
} else {
- flags |= isa_if->parse_asm_constraint(isa_if, &c);
+ flags |= isa_if->parse_asm_constraint(&c);
}
break;
}
if (strcmp(clobber, "cc") == 0)
return 1;
- return isa_if->is_valid_clobber(isa_if, clobber);
+ return isa_if->is_valid_clobber(clobber);
}
void be_register_isa_if(const char *name, const arch_isa_if_t *isa)
lc_opt_entry_t *be_grp;
static int run_once = 0;
- if (run_once) {
+ if (run_once)
return;
- }
- run_once = 1;
-
- be_init_modules();
+ run_once = 1;
be_grp = lc_opt_get_grp(firm_opt_get_root(), "be");
lc_opt_add_table(be_grp, be_main_options);
be_add_module_list_opt(be_grp, "isa", "the instruction set architecture",
&isa_ifs, (void**) &isa_if);
+
+ be_init_modules();
}
/* Parse one argument. */
int be_parse_arg(const char *arg) {
lc_opt_entry_t *be_grp = lc_opt_get_grp(firm_opt_get_root(), "be");
if (strcmp(arg, "help") == 0 || (arg[0] == '?' && arg[1] == '\0')) {
- lc_opt_print_help(be_grp, stdout);
+ lc_opt_print_help_for_entry(be_grp, '-', stdout);
return -1;
}
return lc_opt_from_single_arg(be_grp, NULL, arg, NULL);
static const backend_params be_params = {
0, /* need dword lowering */
0, /* don't support inline assembler yet */
- 0, /* no immediate floating point mode. */
- NULL, /* no additional opcodes */
NULL, /* will be set later */
NULL, /* but yet no creator function */
NULL, /* context for create_intrinsic_fkt */
NULL, /* no if conversion settings */
- NULL /* no immediate fp mode */
+ NULL, /* no float arithmetic mode */
+ 0, /* no trampoline support: size 0 */
+ 0, /* no trampoline support: align 0 */
+ NULL, /* no trampoline support: no trampoline builder */
+ 4 /* alignment of stack parameter */
};
/* Perform schedule verification if requested. */
memset(asm_constraint_flags, 0, sizeof(asm_constraint_flags));
env->arch_env = arch_env_init(isa_if, file_handle, env);
- be_phi_handler_new(env);
-
be_dbg_open();
return env;
}
{
arch_env_done(env->arch_env);
be_dbg_close();
- be_phi_handler_free();
pmap_destroy(env->ent_trampoline_map);
pmap_destroy(env->ent_pic_symbol_map);
*/
static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env)
{
+ irg->be_data = birg;
+
memset(birg, 0, sizeof(*birg));
birg->irg = irg;
birg->main_env = env;
+ obstack_init(&birg->obst);
edges_deactivate_kind(irg, EDGE_KIND_DEP);
edges_activate_kind(irg, EDGE_KIND_DEP);
edges_assure(irg);
set_irg_phase_state(irg, phase_backend);
+ be_info_init_irg(irg);
dump(DUMP_INITIAL, irg, "-prepared", dump_ir_block_graph);
}
int be_timing;
ir_timer_t *t_abi;
ir_timer_t *t_codegen;
+ir_timer_t *t_ra_preparation;
ir_timer_t *t_sched;
ir_timer_t *t_constr;
ir_timer_t *t_finish;
*/
static void be_main_loop(FILE *file_handle, const char *cup_name)
{
- int i;
- be_main_env_t env;
- char prof_filename[256];
static const char suffix[] = ".prof";
- be_irg_t *birgs;
- int num_birgs;
- ir_graph **irg_list, **backend_irg_list;
- arch_env_t *arch_env;
+
+ int i, num_birgs, stat_active = 0;
+ be_main_env_t env;
+ char prof_filename[256];
+ be_irg_t *birgs;
+ ir_graph **irg_list, **backend_irg_list;
+ arch_env_t *arch_env;
be_timing = (be_options.timing == BE_TIME_ON);
if (be_timing) {
t_abi = ir_timer_register("bemain_time_beabi", "be abi introduction");
t_codegen = ir_timer_register("bemain_time_codegen", "codegeneration");
+ t_ra_preparation = ir_timer_register("bemain_time_ra_preparation", "ra preparation");
t_sched = ir_timer_register("bemain_time_sched", "scheduling");
t_constr = ir_timer_register("bemain_time_constr", "assure constraints");
t_finish = ir_timer_register("bemain_time_finish", "graph finish");
/* we might need 1 birg more for instrumentation constructor */
num_birgs = backend_irg_list ? ARR_LEN(backend_irg_list) : get_irp_n_irgs();
- birgs = alloca(sizeof(birgs[0]) * (num_birgs + 1));
+ birgs = ALLOCAN(be_irg_t, num_birgs + 1);
+
+ be_info_init();
/* First: initialize all birgs */
for(i = 0; i < num_birgs; ++i) {
ir_graph *irg = backend_irg_list ? backend_irg_list[i] : get_irp_irg(i);
initialize_birg(&birgs[i], irg, &env);
}
+ arch_env_handle_intrinsics(arch_env);
DEL_ARR_F(irg_list);
/*
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;
- be_sched_init_phase(irg);
-
- /* reset the phi handler. */
- be_phi_handler_reset();
-
stat_ev_if {
stat_ev_ctx_push_fobj("bemain_irg", irg);
be_stat_ev("bemain_insns_start", be_count_insns(irg));
dump(DUMP_ABI, irg, "-abi", dump_ir_block_graph);
+ /* do local optimizations */
+ optimize_graph_df(irg);
+
+ /* we have to do cfopt+remove_critical_edges as we can't have Bad-blocks
+ * or critical edges in the backend */
+ optimize_cf(irg);
+ remove_critical_cf_edges(irg);
+
+ /* TODO: we often have dead code reachable through out-edges here. So for
+ * now we rebuild edges (as we need correct user count for code selection)
+ */
+ edges_deactivate(irg);
+ edges_activate(irg);
+
+ dump(DUMP_PREPARED, irg, "-pre_transform", dump_ir_block_graph_sched);
+
if (be_options.vrfy_option == BE_VRFY_WARN) {
be_check_dominance(irg);
be_verify_out_edges(irg);
arch_code_generator_prepare_graph(birg->cg);
BE_TIMER_POP(t_codegen);
- /* reset the phi handler. */
- be_phi_handler_reset();
-
dump(DUMP_PREPARED, irg, "-prepared", dump_ir_block_graph);
if (be_options.vrfy_option == BE_VRFY_WARN) {
/* disabled for now, fails for EmptyFor.c and XXEndless.c */
/* be_live_chk_compare(birg); */
- /* let backend prepare scheduling */
- BE_TIMER_PUSH(t_codegen);
- arch_code_generator_before_sched(birg->cg);
- BE_TIMER_POP(t_codegen);
-
/* schedule the irg */
BE_TIMER_PUSH(t_sched);
switch (be_options.scheduler) {
dump(DUMP_SCHED, irg, "-assured", dump_ir_block_graph_sched);
/* stuff needs to be done after scheduling but before register allocation */
- BE_TIMER_PUSH(t_codegen);
+ BE_TIMER_PUSH(t_ra_preparation);
arch_code_generator_before_ra(birg->cg);
- BE_TIMER_POP(t_codegen);
+ BE_TIMER_POP(t_ra_preparation);
/* connect all stack modifying nodes together (see beabi.c) */
BE_TIMER_PUSH(t_abi);
#define LC_EMIT(timer) \
stat_ev_if { \
- stat_ev_dbl(ir_timer_get_name(timer), ir_timer_elapsed_msec(timer)); \
+ stat_ev_dbl(ir_timer_get_name(timer), ir_timer_elapsed_usec(timer)); \
} else { \
printf("%-20s: %8.3lf msec\n", ir_timer_get_description(timer), (double)ir_timer_elapsed_usec(timer) / 1000.0); \
} \
}
LC_EMIT(t_abi);
LC_EMIT(t_codegen);
+ LC_EMIT(t_ra_preparation);
LC_EMIT(t_sched);
LC_EMIT(t_live);
LC_EMIT(t_heights);
);
#undef LC_EMIT
- be_sched_free_phase(irg);
-
be_free_birg(birg);
+
+ /* switched off due to statistics (statistic module needs all irgs) */
+#ifdef FIRM_STATISTICS
+ if (! stat_active)
+#endif /* FIRM_STATISTICS */
+ remove_irp_irg(irg);
stat_ev_ctx_pop("bemain_irg");
}
ir_profile_free();
be_done_env(&env);
+
+ be_info_free();
}
/* Main interface to the frontend. */
/* The user specified another config file to read. do that now. */
if (config_file[0] != '\0') {
- FILE *f;
+ FILE *f = fopen(config_file, "rt");
- if ((f = fopen(config_file, "rt")) != NULL) {
+ if (f != NULL) {
lc_opt_from_file(config_file, f, NULL);
fclose(f);
+ } else {
+ fprintf(stderr, "Warning: Cannot open config file '%s'\n", config_file);
}
}
if (be_options.statev) {
const char *dot = strrchr(cup_name, '.');
const char *pos = dot ? dot : cup_name + strlen(cup_name);
- char *buf = alloca(pos - cup_name + 1);
+ char *buf = ALLOCAN(char, pos - cup_name + 1);
strncpy(buf, cup_name, pos - cup_name);
buf[pos - cup_name] = '\0';
/* never build code for pseudo irgs */
set_visit_pseudo_irgs(0);
- be_node_init();
-
be_main_loop(file_handle, cup_name);
if (be_options.timing == BE_TIME_ON) {
else
bitset_clear_all(bs);
- assert(bitset_size(bs) == (unsigned)cls->n_regs);
+ assert(bitset_size(bs) == cls->n_regs);
arch_put_non_ignore_regs(cls, bs);
bitset_flip_all(bs);
be_abi_put_ignore_regs(birg->abi, cls, bs);
projects / libfirm / blobdiff