/*
- * 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 "bessadestr.h"
#include "beabi.h"
#include "belower.h"
-#include "beschedmris.h"
#include "bestat.h"
#include "beverify.h"
#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)
-#ifdef WITH_ILP
-#include "beilpsched.h"
-#endif /* WITH_ILP */
-
/* options visible for anyone */
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, /* try to omit leaf frame pointer */
0, /* create PIC code */
- 0, /* create gprof compatible profiling code */
BE_VERIFY_WARN, /* verification level: warn */
- BE_SCHED_LIST, /* scheduler: list scheduler */
- "linux", /* target OS name */
"i44pc52.info.uni-karlsruhe.de", /* ilp server */
"cplex", /* ilp solver */
0, /* enable statistic event dumping */
"", /* print stat events */
};
-/* config file. */
-static char config_file[256] = { 0 };
-
/* back end instruction set architecture to use */
static const arch_isa_if_t *isa_if = NULL;
{ NULL, 0 }
};
-/* scheduling options. */
-static const lc_opt_enum_int_items_t sched_items[] = {
- { "list", BE_SCHED_LIST },
-#ifdef WITH_ILP
- { "ilp", BE_SCHED_ILP },
-#endif /* WITH_ILP */
- { NULL, 0 }
-};
-
static lc_opt_enum_mask_var_t dump_var = {
&be_options.dump_flags, dump_items
};
&be_options.verify_option, verify_items
};
-static lc_opt_enum_int_var_t sched_var = {
- &be_options.scheduler, sched_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_BOOL ("omitfp", "omit frame pointer", &be_options.omit_fp),
- 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 ("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),
- LC_OPT_ENT_ENUM_PTR ("sched", "select a scheduler", &sched_var),
- LC_OPT_ENT_STR ("os", "specify target operating system", &be_options.target_os, sizeof(be_options.target_os)),
-#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
#ifdef WITH_ILP
LC_OPT_ENT_STR ("ilp.server", "the ilp server name", be_options.ilp_server, sizeof(be_options.ilp_server)),
static be_module_list_entry_t *isa_ifs = NULL;
-unsigned short asm_constraint_flags[256];
+asm_constraint_flags_t asm_constraint_flags[256];
void be_init_default_asm_constraint_flags(void)
{
asm_constraint_flags_t be_parse_asm_constraints(const char *constraint)
{
- asm_constraint_flags_t flags = 0;
+ asm_constraint_flags_t flags = ASM_CONSTRAINT_FLAG_NONE;
const char *c;
asm_constraint_flags_t tflags;
}
if ((
- flags & ASM_CONSTRAINT_FLAG_MODIFIER_WRITE &&
- flags & ASM_CONSTRAINT_FLAG_MODIFIER_NO_WRITE
+ flags & ASM_CONSTRAINT_FLAG_MODIFIER_WRITE &&
+ flags & ASM_CONSTRAINT_FLAG_MODIFIER_NO_WRITE
) || (
- flags & ASM_CONSTRAINT_FLAG_MODIFIER_READ &&
- flags & ASM_CONSTRAINT_FLAG_MODIFIER_NO_READ
+ flags & ASM_CONSTRAINT_FLAG_MODIFIER_READ &&
+ flags & ASM_CONSTRAINT_FLAG_MODIFIER_NO_READ
)) {
flags |= ASM_CONSTRAINT_FLAG_INVALID;
}
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);
dump(DUMP_INITIAL, irg, "prepared");
}
-#define BE_TIMER_ONLY(code) do { if (be_timing) { code; } } while (0)
-
int be_timing;
static const char *get_timer_name(be_timer_id_t id)
}
ir_timer_t *be_timers[T_LAST+1];
+void be_lower_for_target(void)
+{
+ size_t i;
+
+ isa_if->lower_for_target();
+ /* set the phase to low */
+ 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;
+ int stat_active = 0;
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)
*/
- memset(prof_filename, 0, sizeof(prof_filename));
- strncpy(prof_filename, cup_name, sizeof(prof_filename) - sizeof(suffix));
- strcat(prof_filename, 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];
ir_graph *irg = birg->irg;
optimization_state_t state;
- const arch_code_generator_if_t *cg_if;
/* set the current graph (this is important for several firm functions) */
current_ir_graph = irg;
}
be_timer_pop(T_VERIFY);
- /* Get the code generator interface. */
- cg_if = arch_env_get_code_generator_if(arch_env);
-
/* get a code generator for this graph. */
- birg->cg = cg_if->init(irg);
+ arch_env->impl->init_graph(irg);
/* some transformations need to be done before abi introduce */
- assert(birg->cg->impl->before_abi == NULL || !arch_env->custom_abi);
- arch_code_generator_before_abi(birg->cg);
+ if (arch_env->impl->before_abi != NULL)
+ arch_env->impl->before_abi(irg);
/* implement the ABI conventions. */
- be_timer_push(T_ABI);
- be_abi_introduce(irg);
- be_timer_pop(T_ABI);
-
if (!arch_env->custom_abi) {
+ be_timer_push(T_ABI);
+ be_abi_introduce(irg);
+ be_timer_pop(T_ABI);
dump(DUMP_ABI, irg, "abi");
}
/* perform codeselection */
be_timer_push(T_CODEGEN);
- arch_code_generator_prepare_graph(birg->cg);
+ if (arch_env->impl->prepare_graph != NULL)
+ arch_env->impl->prepare_graph(irg);
be_timer_pop(T_CODEGEN);
if (be_options.verify_option == BE_VERIFY_WARN) {
assert(be_check_dominance(irg) && "Dominance verification failed");
}
+ dump(DUMP_PREPARED, irg, "code-selection");
+
be_timer_push(T_EXECFREQ);
/**
* Create execution frequencies from profile data or estimate some
/* schedule the irg */
be_timer_push(T_SCHED);
- switch (be_options.scheduler) {
- default:
- fprintf(stderr, "Warning: invalid scheduler (%d) selected, falling back to list scheduler.\n", be_options.scheduler);
- case BE_SCHED_LIST:
- list_sched(irg);
- break;
-#ifdef WITH_ILP
- case BE_SCHED_ILP:
- be_ilp_sched(irg);
- break;
-#endif /* WITH_ILP */
- };
+ be_schedule_graph(irg);
be_timer_pop(T_SCHED);
dump(DUMP_SCHED, irg, "sched");
/* we switch off optimizations here, because they might cause trouble */
save_optimization_state(&state);
set_optimize(0);
- set_opt_normalize(0);
set_opt_cse(0);
/* add Keeps for should_be_different constrained nodes */
/* stuff needs to be done after scheduling but before register allocation */
be_timer_push(T_RA_PREPARATION);
- arch_code_generator_before_ra(birg->cg);
+ if (arch_env->impl->before_ra != NULL)
+ arch_env->impl->before_ra(irg);
be_timer_pop(T_RA_PREPARATION);
/* connect all stack modifying nodes together (see beabi.c) */
/* 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);
- arch_code_generator_after_ra(birg->cg);
+ if (arch_env->impl->after_ra != NULL)
+ arch_env->impl->after_ra(irg);
be_timer_pop(T_FINISH);
/* fix stack offsets */
dump(DUMP_SCHED, irg, "fix_stack_after_ra");
be_timer_push(T_FINISH);
- arch_code_generator_finish(birg->cg);
+ if (arch_env->impl->finish != NULL)
+ arch_env->impl->finish(irg);
be_timer_pop(T_FINISH);
dump(DUMP_FINAL, irg, "finish");
/* emit assembler code */
be_timer_push(T_EMIT);
- arch_code_generator_done(birg->cg);
+ if (arch_env->impl->emit != NULL)
+ arch_env->impl->emit(irg);
be_timer_pop(T_EMIT);
dump(DUMP_FINAL, irg, "end");
- be_timer_push(T_ABI);
- be_abi_free(irg);
- be_timer_pop(T_ABI);
+ if (!arch_env->custom_abi) {
+ be_timer_push(T_ABI);
+ be_abi_free(irg);
+ be_timer_pop(T_ABI);
+ }
restore_optimization_state(&state);
be_timer_pop(T_OTHER);
if (be_timing) {
- int t;
+ be_timer_id_t t;
if (stat_ev_enabled) {
- for (t = 0; t < T_LAST+1; ++t) {
+ for (t = T_FIRST; t < T_LAST+1; ++t) {
char buf[128];
snprintf(buf, sizeof(buf), "bemain_time_%s",
get_timer_name(t));
} else {
printf("==>> IRG %s <<==\n",
get_entity_name(get_irg_entity(irg)));
- for (t = 0; t < T_LAST+1; ++t) {
+ for (t = T_FIRST; t < T_LAST+1; ++t) {
double val = ir_timer_elapsed_usec(be_timers[t]) / 1000.0;
printf("%-20s: %8.3lf msec\n", get_timer_name(t), val);
}
}
- for (t = 0; t < T_LAST+1; ++t) {
+ for (t = T_FIRST; t < T_LAST+1; ++t) {
ir_timer_stop(be_timers[t]);
ir_timer_reset(be_timers[t]);
}
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_t *t = NULL;
- /* The user specified another config file to read. do that now. */
- if (config_file[0] != '\0') {
- FILE *f = fopen(config_file, "rt");
-
- 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.timing == BE_TIME_ON) {
t = ir_timer_new();
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);
}
}
-#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)
{
- const backend_params *be_params = be_get_backend_param();
- be_params->lower_for_target();
+ be_lower_for_target();
(void) context;
(void) irp;
return 0;
name ? name : "lower_for_target",
do_lower_for_target);
}
-
-unsigned be_put_ignore_regs(const ir_graph *irg,
- const arch_register_class_t *cls, bitset_t *bs)
-{
- if (bs == NULL)
- bs = bitset_alloca(cls->n_regs);
- else
- bitset_clear_all(bs);
-
- assert(bitset_size(bs) == cls->n_regs);
- arch_put_non_ignore_regs(cls, bs);
- bitset_flip_all(bs);
- be_abi_put_ignore_regs(be_get_irg_abi(irg), cls, bs);
-
- return bitset_popcount(bs);
-}
projects / libfirm / blobdiff