/*
- * 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.
*
* @date 25.11.2004
* @version $Id$
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
#include <stdarg.h>
#include <stdio.h>
-#include <libcore/lc_opts.h>
-#include <libcore/lc_opts_enum.h>
-#include <libcore/lc_timing.h>
+#include "lc_opts.h"
+#include "lc_opts_enum.h"
#include "obst.h"
#include "bitset.h"
#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 "irtools.h"
#include "irvrfy.h"
#include "irprintf.h"
+#include "iroptimize.h"
#include "firmstat.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 "bespillbelady.h"
#include "bera.h"
#include "bechordal_t.h"
#include "beifg.h"
#include "beschedmris.h"
#include "bestat.h"
#include "beverify.h"
-#include "beprofile.h"
#include "be_dbgout.h"
-#include "beirg_t.h"
+#include "beirg.h"
+
+#define NEW_ID(s) new_id_from_chars(s, sizeof(s) - 1)
#ifdef WITH_ILP
#include "beilpsched.h"
BE_TIME_OFF, /* no timing */
0, /* no opt profile */
0, /* try to omit frame pointer */
- 0, /* no stabs debugging output */
+ 0, /* try to omit leaf frame pointer */
+ 0, /* create PIC code */
+ 0, /* create gprof compatible profiling code */
BE_VRFY_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 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 ("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),
- LC_OPT_ENT_ENUM_PTR ("sched", "select a scheduler", &sched_var),
- LC_OPT_ENT_BOOL ("statev", "dump statistic events", &be_options.statev),
+ 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", &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),
+ 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 ("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];
+
+void be_init_default_asm_constraint_flags(void)
+{
+ asm_constraint_flags['?'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT;
+ asm_constraint_flags['!'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT;
+ asm_constraint_flags['&'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT
+ | ASM_CONSTRAINT_FLAG_MODIFIER_EARLYCLOBBER;
+ asm_constraint_flags['%'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT
+ | ASM_CONSTRAINT_FLAG_MODIFIER_COMMUTATIVE;
+ asm_constraint_flags['!'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT;
+
+ asm_constraint_flags['='] = ASM_CONSTRAINT_FLAG_MODIFIER_WRITE
+ | ASM_CONSTRAINT_FLAG_MODIFIER_NO_READ;
+ asm_constraint_flags['+'] = ASM_CONSTRAINT_FLAG_MODIFIER_READ
+ | ASM_CONSTRAINT_FLAG_MODIFIER_WRITE;
+
+ asm_constraint_flags['i'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE;
+ asm_constraint_flags['s'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE;
+ asm_constraint_flags['E'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE;
+ asm_constraint_flags['F'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE;
+ asm_constraint_flags['G'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE;
+ asm_constraint_flags['H'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE;
+ asm_constraint_flags['I'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE;
+ asm_constraint_flags['J'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE;
+ asm_constraint_flags['K'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE;
+ asm_constraint_flags['L'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE;
+ asm_constraint_flags['M'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE;
+ asm_constraint_flags['N'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE;
+ asm_constraint_flags['O'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE;
+ asm_constraint_flags['P'] = ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE;
+
+ asm_constraint_flags['m'] = ASM_CONSTRAINT_FLAG_SUPPORTS_MEMOP;
+ asm_constraint_flags['o'] = ASM_CONSTRAINT_FLAG_SUPPORTS_MEMOP;
+ asm_constraint_flags['V'] = ASM_CONSTRAINT_FLAG_SUPPORTS_MEMOP;
+ asm_constraint_flags['<'] = ASM_CONSTRAINT_FLAG_SUPPORTS_MEMOP;
+ asm_constraint_flags['>'] = ASM_CONSTRAINT_FLAG_SUPPORTS_MEMOP;
+
+ asm_constraint_flags['p'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER;
+ asm_constraint_flags['0'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER;
+ asm_constraint_flags['1'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER;
+ asm_constraint_flags['2'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER;
+ asm_constraint_flags['3'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER;
+ asm_constraint_flags['4'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER;
+ asm_constraint_flags['5'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER;
+ asm_constraint_flags['6'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER;
+ asm_constraint_flags['7'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER;
+ asm_constraint_flags['8'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER;
+ asm_constraint_flags['9'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER;
+
+ asm_constraint_flags['X'] = ASM_CONSTRAINT_FLAG_SUPPORTS_REGISTER
+ | ASM_CONSTRAINT_FLAG_SUPPORTS_MEMOP
+ | ASM_CONSTRAINT_FLAG_SUPPORTS_IMMEDIATE;
+
+ /* these should have been catched by the parsing code already */
+ asm_constraint_flags['#'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT;
+ asm_constraint_flags['*'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT;
+ asm_constraint_flags[' '] = ASM_CONSTRAINT_FLAG_NO_SUPPORT;
+ asm_constraint_flags['\t'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT;
+ asm_constraint_flags['\n'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT;
+ asm_constraint_flags['\r'] = ASM_CONSTRAINT_FLAG_NO_SUPPORT;
+}
+
+asm_constraint_flags_t be_parse_asm_constraints(const char *constraint)
+{
+ asm_constraint_flags_t flags = 0;
+ const char *c;
+ asm_constraint_flags_t tflags;
+
+ for (c = constraint; *c != '\0'; ++c) {
+ switch (*c) {
+ case '#':
+ /* 'comment' stuff */
+ while(*c != 0 && *c != ',')
+ ++c;
+ break;
+ case '*':
+ /* 'comment' character */
+ ++c;
+ break;
+ case ' ':
+ case '\t':
+ case '\n':
+ case '\r':
+ break;
+ default:
+ tflags = asm_constraint_flags[(int) *c];
+ if (tflags != 0) {
+ flags |= tflags;
+ } else {
+ flags |= isa_if->parse_asm_constraint(&c);
+ }
+ break;
+ }
+ }
+
+ if ((
+ 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_INVALID;
+ }
+ if (!(flags & (ASM_CONSTRAINT_FLAG_MODIFIER_READ |
+ ASM_CONSTRAINT_FLAG_MODIFIER_WRITE |
+ ASM_CONSTRAINT_FLAG_MODIFIER_NO_WRITE |
+ ASM_CONSTRAINT_FLAG_MODIFIER_NO_READ)
+ )) {
+ flags |= ASM_CONSTRAINT_FLAG_MODIFIER_READ;
+ }
+
+ return flags;
+}
+
+int be_is_valid_clobber(const char *clobber)
+{
+ /* memory is a valid clobber. (the frontend has to detect this case too,
+ * because it has to add memory edges to the asm) */
+ if (strcmp(clobber, "memory") == 0)
+ return 1;
+ /* cc (condition code) is always valid */
+ if (strcmp(clobber, "cc") == 0)
+ return 1;
+
+ return isa_if->is_valid_clobber(clobber);
+}
+
void be_register_isa_if(const char *name, const arch_isa_if_t *isa)
{
- if(isa_if == NULL)
+ if (isa_if == NULL)
isa_if = isa;
be_add_module_to_list(&isa_ifs, name, (void*) 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);
/** The be parameters returned by default, all off. */
static const backend_params be_params = {
0, /* need dword lowering */
- 0, /* don't support inlien assembler yet */
- NULL, /* no additional opcodes */
+ 0, /* don't support inline assembler yet */
NULL, /* will be set later */
NULL, /* but yet no creator function */
NULL, /* context for create_intrinsic_fkt */
NULL, /* no if conversion settings */
+ 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. */
static void be_sched_vrfy(be_irg_t *birg, int vrfy_opt) {
if (vrfy_opt == BE_VRFY_WARN) {
be_verify_schedule(birg);
- }
- else if (vrfy_opt == BE_VRFY_ASSERT) {
+ } else if (vrfy_opt == BE_VRFY_ASSERT) {
assert(be_verify_schedule(birg) && "Schedule verification failed.");
}
}
-/* Initialize the Firm backend. Must be run BEFORE init_firm()! */
-const backend_params *be_init(void)
+/* Initialize the Firm backend. Must be run first in init_firm()! */
+void firm_be_init(void)
{
be_opt_register();
be_init_modules();
+}
+
+/* Finalize the Firm backend. */
+void firm_be_finish(void)
+{
+ be_quit_modules();
+}
+/* Returns the backend parameter */
+const backend_params *be_get_backend_param(void)
+{
if (isa_if->get_params)
return isa_if->get_params();
return &be_params;
static be_main_env_t *be_init_env(be_main_env_t *env, FILE *file_handle)
{
memset(env, 0, sizeof(*env));
- obstack_init(&env->obst);
- env->arch_env = obstack_alloc(&env->obst, sizeof(env->arch_env[0]));
- env->options = &be_options;
+ env->options = &be_options;
+ env->ent_trampoline_map = pmap_create();
+ env->pic_trampolines_type = new_type_class(NEW_ID("$PIC_TRAMPOLINE_TYPE"));
+ env->ent_pic_symbol_map = pmap_create();
+ env->pic_symbols_type = new_type_struct(NEW_ID("$PIC_SYMBOLS_TYPE"));
- arch_env_init(env->arch_env, isa_if, file_handle, env);
+ remove_irp_type(env->pic_trampolines_type);
+ remove_irp_type(env->pic_symbols_type);
+ set_class_final(env->pic_trampolines_type, 1);
- /* Register the irn handler of the architecture */
- if (arch_isa_get_irn_handler(env->arch_env->isa))
- arch_env_push_irn_handler(env->arch_env, arch_isa_get_irn_handler(env->arch_env->isa));
+ memset(asm_constraint_flags, 0, sizeof(asm_constraint_flags));
+ env->arch_env = arch_env_init(isa_if, file_handle, env);
- /*
- * Register the node handler of the back end infrastructure.
- * This irn handler takes care of the platform independent
- * spill, reload and perm nodes.
- */
- arch_env_push_irn_handler(env->arch_env, &be_node_irn_handler);
- 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();
+ be_dbg_open();
return env;
}
+/**
+ * Called when the be_main_env_t can be destroyed.
+ */
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);
+ 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);
+ free_type(env->pic_symbols_type);
}
/**
*/
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);
dump(DUMP_INITIAL, irg, "-begin", dump_ir_block_graph);
- be_stat_init_irg(env->arch_env, irg);
- be_do_stat_nodes(irg, "01 Begin");
-
/* set the current graph (this is important for several firm functions) */
current_ir_graph = irg;
normalize_n_returns(irg);
/* Remove critical edges */
- remove_critical_cf_edges(irg);
+ remove_critical_cf_edges_ex(irg, /*ignore_exception_edges=*/0);
/* Ensure, that the ir_edges are computed. */
edges_assure(irg);
- /* reset the phi handler. */
- be_phi_handler_reset(env->phi_handler);
-
set_irg_phase_state(irg, phase_backend);
+ be_info_init_irg(irg);
dump(DUMP_INITIAL, irg, "-prepared", dump_ir_block_graph);
}
-#define BE_TIMER_PUSH(timer) \
- if (be_options.timing == BE_TIME_ON) { \
- int res = lc_timer_push(timer); \
- if (be_options.vrfy_option == BE_VRFY_ASSERT) \
- assert(res && "Timer already on stack, cannot be pushed twice."); \
- else if (be_options.vrfy_option == BE_VRFY_WARN && ! res) \
- fprintf(stderr, "Timer %s already on stack, cannot be pushed twice.\n", \
- lc_timer_get_name(timer)); \
- }
-#define BE_TIMER_POP(timer) \
- if (be_options.timing == BE_TIME_ON) { \
- lc_timer_t *tmp = lc_timer_pop(); \
- if (be_options.vrfy_option == BE_VRFY_ASSERT) \
- assert(tmp == timer && "Attempt to pop wrong timer."); \
- else if (be_options.vrfy_option == BE_VRFY_WARN && tmp != timer) \
- fprintf(stderr, "Attempt to pop wrong timer. %s is on stack, trying to pop %s.\n", \
- lc_timer_get_name(tmp), lc_timer_get_name(timer)); \
- timer = tmp; \
- }
+#define BE_TIMER_ONLY(code) do { if (be_timing) { code; } } while(0)
-#define BE_TIMER_ONLY(code) do { if (be_options.timing == BE_TIME_ON) { code; } } while(0)
+int be_timing;
+
+static const char *get_timer_name(be_timer_id_t id)
+{
+ switch (id) {
+ case T_ABI: return "abi";
+ case T_CODEGEN: return "codegen";
+ case T_RA_PREPARATION: return "ra_preparation";
+ case T_SCHED: return "sched";
+ case T_CONSTR: return "constr";
+ case T_FINISH: return "finish";
+ case T_EMIT: return "emit";
+ case T_VERIFY: return "verify";
+ case T_OTHER: return "other";
+ case T_HEIGHTS: return "heights";
+ case T_LIVE: return "live";
+ case T_EXECFREQ: return "execfreq";
+ case T_SSA_CONSTR: return "ssa_constr";
+ case T_RA_PROLOG: return "ra_prolog";
+ case T_RA_EPILOG: return "ra_epilog";
+ case T_RA_CONSTR: return "ra_constr";
+ case T_RA_SPILL: return "ra_spill";
+ case T_RA_SPILL_APPLY: return "ra_spill_apply";
+ case T_RA_COLOR: return "ra_color";
+ case T_RA_IFG: return "ra_ifg";
+ case T_RA_COPYMIN: return "ra_copymin";
+ case T_RA_SSA: return "ra_ssa";
+ case T_RA_OTHER: return "ra_other";
+ }
+ return "unknown";
+}
+ir_timer_t *be_timers[T_LAST+1];
/**
* The Firm backend main loop.
*/
static void be_main_loop(FILE *file_handle, const char *cup_name)
{
- int i;
- arch_isa_t *isa;
- be_main_env_t env;
- unsigned num_nodes_b = 0;
- unsigned num_nodes_a = 0;
- unsigned num_nodes_r = 0;
- char prof_filename[256];
static const char suffix[] = ".prof";
- be_irg_t *birgs;
- int num_birgs;
- ir_graph **irg_list, **backend_irg_list;
-
- 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;
- if (be_options.timing == BE_TIME_ON) {
- t_abi = lc_timer_register("beabi", "be abi introduction");
- t_codegen = lc_timer_register("codegen", "codegeneration");
- t_sched = lc_timer_register("sched", "scheduling");
- t_constr = lc_timer_register("constr", "assure constraints");
- t_regalloc = lc_timer_register("regalloc", "register allocation");
- t_finish = lc_timer_register("finish", "graph finish");
- t_emit = lc_timer_register("emiter", "code emiter");
- t_verify = lc_timer_register("verify", "graph verification");
- t_other = lc_timer_register("other", "other");
+ 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) {
+ for (i = 0; i < T_LAST+1; ++i) {
+ be_timers[i] = ir_timer_new();
+ }
}
be_init_env(&env, file_handle);
+ env.cup_name = cup_name;
- isa = arch_env_get_isa(env.arch_env);
+ be_dbg_so(cup_name);
+ be_dbg_types();
- be_dbg_so(env.db_handle, cup_name);
- be_dbg_types(env.db_handle);
+ arch_env = env.arch_env;
- /* backend may provide an ordered list of irgs where code should be generated for */
+ /* backend may provide an ordered list of irgs where code should be
+ * generated for */
irg_list = NEW_ARR_F(ir_graph *, 0);
- backend_irg_list = arch_isa_get_backend_irg_list(isa, &irg_list);
+ backend_irg_list = arch_env_get_backend_irg_list(arch_env, &irg_list);
/* 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);
/*
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);
+ ir_graph *prof_init_irg = ir_profile_instrument(prof_filename, profile_default);
initialize_birg(&birgs[num_birgs], prof_init_irg, &env);
num_birgs++;
- set_method_img_section(get_irg_entity(prof_init_irg), section_constructors);
} else {
- be_profile_read(prof_filename);
+ 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;
-#ifdef FIRM_STATISTICS
- stat_ev_ctx_push_fobj("irg", irg);
-#endif
+ stat_ev_if {
+ 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));
+ }
/* stop and reset timers */
- BE_TIMER_ONLY(
- LC_STOP_AND_RESET_TIMER(t_abi);
- LC_STOP_AND_RESET_TIMER(t_codegen);
- LC_STOP_AND_RESET_TIMER(t_sched);
- LC_STOP_AND_RESET_TIMER(t_constr);
- LC_STOP_AND_RESET_TIMER(t_regalloc);
- LC_STOP_AND_RESET_TIMER(t_finish);
- LC_STOP_AND_RESET_TIMER(t_emit);
- LC_STOP_AND_RESET_TIMER(t_verify);
- LC_STOP_AND_RESET_TIMER(t_other);
- );
- BE_TIMER_PUSH(t_other); /* t_other */
+ be_timer_push(T_OTHER);
/* Verify the initial graph */
- BE_TIMER_PUSH(t_verify);
+ be_timer_push(T_VERIFY);
if (be_options.vrfy_option == BE_VRFY_WARN) {
irg_verify(irg, VRFY_ENFORCE_SSA);
be_check_dominance(irg);
assert(irg_verify(irg, VRFY_ENFORCE_SSA) && "irg verification failed");
assert(be_check_dominance(irg) && "Dominance verification failed");
}
- BE_TIMER_POP(t_verify);
-
- BE_TIMER_ONLY(num_nodes_b = get_num_reachable_nodes(irg));
+ be_timer_pop(T_VERIFY);
/* Get the code generator interface. */
- cg_if = isa->impl->get_code_generator_if(isa);
+ cg_if = arch_env_get_code_generator_if(arch_env);
/* 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);
-
/* implement the ABI conventions. */
- BE_TIMER_PUSH(t_abi);
+ be_timer_push(T_ABI);
birg->abi = be_abi_introduce(birg);
- BE_TIMER_POP(t_abi);
+ be_timer_pop(T_ABI);
dump(DUMP_ABI, irg, "-abi", dump_ir_block_graph);
- be_do_stat_nodes(irg, "02 Abi");
+
+ /* 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);
}
/* generate code */
- BE_TIMER_PUSH(t_codegen);
+ be_timer_push(T_CODEGEN);
arch_code_generator_prepare_graph(birg->cg);
- BE_TIMER_POP(t_codegen);
-
- be_do_stat_nodes(irg, "03 Prepare");
+ be_timer_pop(T_CODEGEN);
dump(DUMP_PREPARED, irg, "-prepared", dump_ir_block_graph);
- BE_TIMER_ONLY(num_nodes_r = get_num_reachable_nodes(irg));
if (be_options.vrfy_option == BE_VRFY_WARN) {
be_check_dominance(irg);
assert(be_check_dominance(irg) && "Dominance verification failed");
}
+ be_timer_push(T_EXECFREQ);
/**
* Create execution frequencies from profile data or estimate some
*/
- if (be_profile_has_data())
- birg->exec_freq = be_create_execfreqs_from_profile(irg);
- else
+ if (ir_profile_has_data())
+ birg->exec_freq = ir_create_execfreqs_from_profile(irg);
+ else {
+ /* TODO: edges are corrupt for EDGE_KIND_BLOCK after the local
+ * optimize graph phase merges blocks in the x86 backend */
+ edges_deactivate(irg);
birg->exec_freq = compute_execfreq(irg, 10);
+ }
+ be_timer_pop(T_EXECFREQ);
/* 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);
+ 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);
break;
#endif /* WITH_ILP */
};
- BE_TIMER_POP(t_sched);
+ be_timer_pop(T_SCHED);
dump(DUMP_SCHED, irg, "-sched", dump_ir_block_graph_sched);
/* check schedule */
- BE_TIMER_PUSH(t_verify);
+ be_timer_push(T_VERIFY);
be_sched_vrfy(birg, be_options.vrfy_option);
- BE_TIMER_POP(t_verify);
-
- be_do_stat_nodes(irg, "04 Schedule");
+ be_timer_pop(T_VERIFY);
/* introduce patterns to assure constraints */
- BE_TIMER_PUSH(t_constr);
+ be_timer_push(T_CONSTR);
/* 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 */
/* beware: needs schedule due to usage of be_ssa_constr */
assure_constraints(birg);
- BE_TIMER_POP(t_constr);
+ be_timer_pop(T_CONSTR);
dump(DUMP_SCHED, irg, "-assured", dump_ir_block_graph_sched);
- be_do_stat_nodes(irg, "05 Constraints");
/* 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);
+ be_timer_push(T_ABI);
be_abi_fix_stack_nodes(birg->abi);
- BE_TIMER_POP(t_abi);
+ be_timer_pop(T_ABI);
dump(DUMP_SCHED, irg, "-fix_stack", dump_ir_block_graph_sched);
/* check schedule */
- BE_TIMER_PUSH(t_verify);
+ be_timer_push(T_VERIFY);
be_sched_vrfy(birg, be_options.vrfy_option);
- BE_TIMER_POP(t_verify);
-
- /* do some statistics */
- be_do_stat_reg_pressure(birg);
+ be_timer_pop(T_VERIFY);
-#ifdef FIRM_STATISTICS
- stat_ev_dbl("costs_before_ra", be_estimate_irg_costs(irg, env.arch_env, birg->exec_freq));
-#endif
+ stat_ev_if {
+ 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));
+ be_stat_ev("bemain_blocks_before_ra", be_count_blocks(irg));
+ }
/* Do register allocation */
- BE_TIMER_PUSH(t_regalloc);
be_allocate_registers(birg);
- BE_TIMER_POP(t_regalloc);
#ifdef FIRM_STATISTICS
- stat_ev_dbl("costs_before_ra", be_estimate_irg_costs(irg, env.arch_env, birg->exec_freq));
+ stat_ev_dbl("bemain_costs_before_ra", be_estimate_irg_costs(irg, birg->exec_freq));
#endif
dump(DUMP_RA, irg, "-ra", dump_ir_block_graph_sched);
- be_do_stat_nodes(irg, "06 Register Allocation");
/* let the code generator prepare the graph for emitter */
- BE_TIMER_PUSH(t_finish);
+ be_timer_push(T_FINISH);
arch_code_generator_after_ra(birg->cg);
- BE_TIMER_POP(t_finish);
+ be_timer_pop(T_FINISH);
/* fix stack offsets */
- BE_TIMER_PUSH(t_abi);
+ be_timer_push(T_ABI);
be_abi_fix_stack_nodes(birg->abi);
be_remove_dead_nodes_from_schedule(birg);
be_abi_fix_stack_bias(birg->abi);
- BE_TIMER_POP(t_abi);
+ be_timer_pop(T_ABI);
dump(DUMP_SCHED, irg, "-fix_stack_after_ra", dump_ir_block_graph_sched);
- BE_TIMER_PUSH(t_finish);
+ be_timer_push(T_FINISH);
arch_code_generator_finish(birg->cg);
- BE_TIMER_POP(t_finish);
+ be_timer_pop(T_FINISH);
dump(DUMP_FINAL, irg, "-finish", dump_ir_block_graph_sched);
+ stat_ev_if {
+ be_stat_ev("bemain_insns_finish", be_count_insns(irg));
+ be_stat_ev("bemain_blocks_finish", be_count_blocks(irg));
+ }
+
/* check schedule and register allocation */
- BE_TIMER_PUSH(t_verify);
+ be_timer_push(T_VERIFY);
if (be_options.vrfy_option == BE_VRFY_WARN) {
irg_verify(irg, VRFY_ENFORCE_SSA);
be_check_dominance(irg);
be_verify_out_edges(irg);
be_verify_schedule(birg);
- be_verify_register_allocation(env.arch_env, irg);
+ be_verify_register_allocation(birg);
} else if (be_options.vrfy_option == BE_VRFY_ASSERT) {
assert(irg_verify(irg, VRFY_ENFORCE_SSA) && "irg verification failed");
assert(be_verify_out_edges(irg) && "out edge verification failed");
assert(be_check_dominance(irg) && "Dominance verification failed");
assert(be_verify_schedule(birg) && "Schedule verification failed");
- assert(be_verify_register_allocation(env.arch_env, irg)
+ assert(be_verify_register_allocation(birg)
&& "register allocation verification failed");
}
- BE_TIMER_POP(t_verify);
+ be_timer_pop(T_VERIFY);
/* emit assembler code */
- BE_TIMER_PUSH(t_emit);
+ be_timer_push(T_EMIT);
arch_code_generator_done(birg->cg);
- BE_TIMER_POP(t_emit);
+ be_timer_pop(T_EMIT);
dump(DUMP_FINAL, irg, "-end", dump_ir_block_graph_sched);
- BE_TIMER_PUSH(t_abi);
+ be_timer_push(T_ABI);
be_abi_free(birg->abi);
- BE_TIMER_POP(t_abi);
+ be_timer_pop(T_ABI);
- be_do_stat_nodes(irg, "07 Final");
restore_optimization_state(&state);
- BE_TIMER_ONLY(num_nodes_a = get_num_reachable_nodes(irg));
- BE_TIMER_POP(t_other);
-
-#define LC_EMIT(timer) \
- printf("%-20s: %.3lf msec\n", lc_timer_get_description(timer), (double)lc_timer_elapsed_usec(timer) / 1000.0); \
- stat_ev_dbl(lc_timer_get_name(timer), lc_timer_elapsed_msec(timer));
-
-#define LC_EMIT_RA(timer) \
- printf("\t%-20s: %.3lf msec\n", lc_timer_get_description(timer), (double)lc_timer_elapsed_usec(timer) / 1000.0); \
- stat_ev_dbl(lc_timer_get_name(timer), lc_timer_elapsed_msec(timer)); \
-
- BE_TIMER_ONLY(
- printf("==>> IRG %s <<==\n", get_entity_name(get_irg_entity(irg)));
- 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_abi);
- LC_EMIT(t_codegen);
- LC_EMIT(t_sched);
- LC_EMIT(t_constr);
- LC_EMIT(t_regalloc);
- if(global_ra_timer != NULL) {
- LC_EMIT_RA(global_ra_timer->t_prolog);
- LC_EMIT_RA(global_ra_timer->t_live);
- LC_EMIT_RA(global_ra_timer->t_spill);
- LC_EMIT_RA(global_ra_timer->t_spillslots);
- LC_EMIT_RA(global_ra_timer->t_color);
- LC_EMIT_RA(global_ra_timer->t_ifg);
- LC_EMIT_RA(global_ra_timer->t_copymin);
- LC_EMIT_RA(global_ra_timer->t_ssa);
- LC_EMIT_RA(global_ra_timer->t_epilog);
- LC_EMIT_RA(global_ra_timer->t_verify);
- LC_EMIT_RA(global_ra_timer->t_other);
+ be_timer_pop(T_OTHER);
+
+ if (be_timing) {
+ int t;
+ if (stat_ev_enabled) {
+ for (t = 0; t < T_LAST+1; ++t) {
+ char buf[128];
+ snprintf(buf, sizeof(buf), "bemain_time_%s",
+ get_timer_name(t));
+ stat_ev_dbl(buf, ir_timer_elapsed_usec(be_timers[i]));
+ }
+ } else {
+ printf("==>> IRG %s <<==\n",
+ get_entity_name(get_irg_entity(irg)));
+ for (t = 0; 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) {
+ ir_timer_stop(be_timers[t]);
+ ir_timer_reset(be_timers[t]);
}
- LC_EMIT(t_finish);
- LC_EMIT(t_emit);
- LC_EMIT(t_verify);
- LC_EMIT(t_other);
- );
-#undef LC_EMIT_RA
-#undef LC_EMIT
+ }
be_free_birg(birg);
-
- /* switched off due to statistics (statistic module needs all irgs) */
-#if 0 /* STA needs irgs */
-#ifdef FIRM_STATISTICS
- if (! stat_is_active())
-#endif /* FIRM_STATISTICS */
- free_ir_graph(irg);
-#endif /* if 0 */
- stat_ev_ctx_pop();
+ stat_ev_ctx_pop("bemain_irg");
}
- be_profile_free();
+ ir_profile_free();
be_done_env(&env);
-#undef BE_TIMER_POP
-#undef BE_TIMER_PUSH
-#undef BE_TIMER_ONLY
+ be_info_free();
}
/* Main interface to the frontend. */
void be_main(FILE *file_handle, const char *cup_name)
{
- lc_timer_t *t = NULL;
+ ir_timer_t *t = NULL;
/* The user specified another config file to read. do that now. */
- if(strlen(config_file) > 0) {
- FILE *f;
+ if (config_file[0] != '\0') {
+ 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.timing == BE_TIME_ON) {
- t = lc_timer_register("bemain", "measure complete bemain loop");
+ t = ir_timer_new();
- if (lc_timer_enter_high_priority()) {
+ if (ir_timer_enter_high_priority()) {
fprintf(stderr, "Warning: Could not enter high priority mode.\n");
}
- lc_timer_reset_and_start(t);
+ 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);
- 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';
- stat_ev_begin(buf);
+ be_options.statev = 1;
+ stat_ev_begin(buf, be_options.filtev);
+ stat_ev_ctx_push_str("bemain_compilation_unit", cup_name);
}
+#endif
/* 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) {
- lc_timer_stop(t);
- lc_timer_leave_high_priority();
- stat_ev_dbl("backend_time", lc_timer_elapsed_msec(t));
- printf("%-20s: %lu msec\n", "BEMAINLOOP", lc_timer_elapsed_msec(t));
+ ir_timer_stop(t);
+ ir_timer_leave_high_priority();
+ stat_ev_if {
+ stat_ev_dbl("bemain_backend_time", ir_timer_elapsed_msec(t));
+ } else {
+ double val = ir_timer_elapsed_usec(t) / 1000.0;
+ printf("%-20s: %8.3lf msec\n", "BEMAINLOOP", val);
+ }
}
- if (be_options.statev)
+#ifdef FIRM_STATISTICS
+ if (be_options.statev) {
+ stat_ev_ctx_pop("bemain_compilation_unit");
stat_ev_end();
-}
-
-/** The debug info retriever function. */
-static retrieve_dbg_func retrieve_dbg = NULL;
-
-/* Sets a debug info retriever. */
-void be_set_debug_retrieve(retrieve_dbg_func func) {
- retrieve_dbg = func;
-}
-
-/* Retrieve the debug info. */
-const char *be_retrieve_dbg_info(const dbg_info *dbg, unsigned *line) {
- if (retrieve_dbg)
- return retrieve_dbg(dbg, line);
-
- *line = 0;
- return NULL;
+ }
+#endif
}
unsigned be_put_ignore_regs(const be_irg_t *birg, const arch_register_class_t *cls, bitset_t *bs)
else
bitset_clear_all(bs);
- assert(bitset_size(bs) == (unsigned)cls->n_regs);
- arch_put_non_ignore_regs(birg->main_env->arch_env, cls, bs);
+ 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