* @date 25.11.2004
* @version $Id$
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
#include <stdarg.h>
#include <stdio.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 "irverify.h"
#include "irprintf.h"
#include "iroptimize.h"
#include "firmstat.h"
#include "execfreq.h"
#include "irprofile.h"
+#include "irpass_t.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 "bechordal_t.h"
#include "beifg.h"
-#include "beifg_impl.h"
#include "becopyopt.h"
#include "becopystat.h"
#include "bessadestr.h"
#include "bestat.h"
#include "beverify.h"
#include "be_dbgout.h"
-#include "beirg_t.h"
+#include "beirg.h"
+#include "bestack.h"
-#ifdef WITH_ILP
-#include "beilpsched.h"
-#endif /* WITH_ILP */
+#define NEW_ID(s) new_id_from_chars(s, sizeof(s) - 1)
/* options visible for anyone */
static be_options_t be_options = {
BE_TIME_OFF, /* no timing */
0, /* no opt profile */
0, /* try to omit frame pointer */
- 0, /* no stabs debugging output */
- BE_VRFY_WARN, /* verification level: warn */
- BE_SCHED_LIST, /* scheduler: list scheduler */
+ 0, /* create PIC code */
+ 0, /* create gprof compatible profiling code */
+ BE_VERIFY_WARN, /* verification level: warn */
+ "linux", /* target OS name */
"i44pc52.info.uni-karlsruhe.de", /* ilp server */
"cplex", /* ilp solver */
0, /* enable statistic event dumping */
};
/* verify options. */
-static const lc_opt_enum_int_items_t vrfy_items[] = {
- { "off", BE_VRFY_OFF },
- { "warn", BE_VRFY_WARN },
- { "assert", BE_VRFY_ASSERT },
+static const lc_opt_enum_int_items_t verify_items[] = {
+ { "off", BE_VERIFY_OFF },
+ { "warn", BE_VERIFY_WARN },
+ { "assert", BE_VERIFY_ASSERT },
{ 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
};
-static lc_opt_enum_int_var_t vrfy_var = {
- &be_options.vrfy_option, vrfy_items
-};
-
-static lc_opt_enum_int_var_t sched_var = {
- &be_options.scheduler, sched_items
+static lc_opt_enum_int_var_t verify_var = {
+ &be_options.verify_option, verify_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 ("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_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 ("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_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.printev, sizeof(be_options.printev)),
+ 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
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) {
+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 */
- NULL, /* will be set later */
- NULL, /* but yet no creator function */
- NULL, /* context for create_intrinsic_fkt */
- NULL, /* no if conversion settings */
-};
-
/* 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) {
- assert(be_verify_schedule(birg) && "Schedule verification failed.");
+static void be_sched_verify(ir_graph *irg, int verify_opt)
+{
+ if (verify_opt == BE_VERIFY_WARN) {
+ be_verify_schedule(irg);
+ } else if (verify_opt == BE_VERIFY_ASSERT) {
+ assert(be_verify_schedule(irg) && "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();
+}
- if (isa_if->get_params)
- return isa_if->get_params();
- return &be_params;
+/* Finalize the Firm backend. */
+void firm_be_finish(void)
+{
+ be_quit_modules();
+}
+
+/* Returns the backend parameter */
+const backend_params *be_get_backend_param(void)
+{
+ return isa_if->get_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);
}
/**
* @param suffix the suffix for the dumper
* @param dumper the dumper to be called
*/
-static void dump(int mask, ir_graph *irg, const char *suffix,
- void (*dumper)(ir_graph *, const char *))
+static void dump(int mask, ir_graph *irg, const char *suffix)
{
- if(be_options.dump_flags & mask)
- be_dump(irg, suffix, dumper);
+ if (be_options.dump_flags & mask)
+ dump_ir_graph(irg, suffix);
}
/**
- * Prepare a backend graph for code generation and initialize its birg
+ * Prepare a backend graph for code generation and initialize its irg
*/
static void initialize_birg(be_irg_t *birg, ir_graph *irg, be_main_env_t *env)
{
+ /* don't duplicate locals in backend when dumping... */
+ ir_remove_dump_flags(ir_dump_flag_consts_local);
+
+ dump(DUMP_INITIAL, irg, "begin");
+
+ 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 proj nodes. */
- normalize_proj_nodes(irg);
-
/* we do this before critical edge split. As this produces less returns,
because sometimes (= 164.gzip) multiple returns are slower */
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);
set_irg_phase_state(irg, phase_backend);
+ be_info_init_irg(irg);
- dump(DUMP_INITIAL, irg, "-prepared", dump_ir_block_graph);
+ dump(DUMP_INITIAL, irg, "prepared");
}
-#define BE_TIMER_ONLY(code) do { if (be_timing) { code; } } while(0)
-
int be_timing;
-ir_timer_t *t_abi;
-ir_timer_t *t_codegen;
-ir_timer_t *t_sched;
-ir_timer_t *t_constr;
-ir_timer_t *t_finish;
-ir_timer_t *t_emit;
-ir_timer_t *t_other;
-ir_timer_t *t_verify;
-ir_timer_t *t_heights;
-ir_timer_t *t_live;
-ir_timer_t *t_execfreq;
-ir_timer_t *t_ssa_constr;
-ir_timer_t *t_ra_constr;
-ir_timer_t *t_ra_prolog;
-ir_timer_t *t_ra_epilog;
-ir_timer_t *t_ra_spill;
-ir_timer_t *t_ra_spill_apply;
-ir_timer_t *t_ra_color;
-ir_timer_t *t_ra_ifg;
-ir_timer_t *t_ra_copymin;
-ir_timer_t *t_ra_ssa;
-ir_timer_t *t_ra_other;
+
+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;
- char prof_filename[256];
static const char suffix[] = ".prof";
- be_irg_t *birgs;
- int num_birgs;
- ir_graph **irg_list, **backend_irg_list;
+
+ 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("time_beabi", "be abi introduction");
- t_codegen = ir_timer_register("time_codegen", "codegeneration");
- t_sched = ir_timer_register("time_sched", "scheduling");
- t_constr = ir_timer_register("time_constr", "assure constraints");
- t_finish = ir_timer_register("time_finish", "graph finish");
- t_emit = ir_timer_register("time_emiter", "code emiter");
- t_verify = ir_timer_register("time_verify", "graph verification");
- t_other = ir_timer_register("time_other", "other");
- t_heights = ir_timer_register("time_heights", "heights");
- t_live = ir_timer_register("time_liveness", "be liveness");
- t_execfreq = ir_timer_register("time_execfreq", "execfreq");
- t_ssa_constr = ir_timer_register("time_ssa_constr", "ssa reconstruction");
- t_ra_prolog = ir_timer_register("time_ra_prolog", "regalloc prolog");
- t_ra_epilog = ir_timer_register("time_ra_epilog", "regalloc epilog");
- t_ra_constr = ir_timer_register("time_ra_constr", "regalloc constraints");
- t_ra_spill = ir_timer_register("time_ra_spill", "spiller");
- t_ra_spill_apply
- = ir_timer_register("time_ra_spill_apply", "apply spills");
- t_ra_color = ir_timer_register("time_ra_color", "graph coloring");
- t_ra_ifg = ir_timer_register("time_ra_ifg", "interference graph");
- t_ra_copymin = ir_timer_register("time_ra_copymin", "copy minimization");
- t_ra_ssa = ir_timer_register("time_ra_ssadestr", "ssa destruction");
- t_ra_other = ir_timer_register("time_ra_other", "regalloc other");
+ 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) {
+ 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_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 {
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_sched_init_phase(irg);
-
- /* reset the phi handler. */
- be_phi_handler_reset(env.phi_handler);
-
- stat_ev_ctx_push_fobj("bemain_irg", irg);
+ 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_PUSH(t_other); /* t_other */
+ be_timer_push(T_OTHER);
/* Verify the initial graph */
- BE_TIMER_PUSH(t_verify);
- if (be_options.vrfy_option == BE_VRFY_WARN) {
- irg_verify(irg, VRFY_ENFORCE_SSA);
+ be_timer_push(T_VERIFY);
+ if (be_options.verify_option == BE_VERIFY_WARN) {
+ irg_verify(irg, VERIFY_ENFORCE_SSA);
be_check_dominance(irg);
- } else if (be_options.vrfy_option == BE_VRFY_ASSERT) {
- assert(irg_verify(irg, VRFY_ENFORCE_SSA) && "irg verification failed");
+ } else if (be_options.verify_option == BE_VERIFY_ASSERT) {
+ assert(irg_verify(irg, VERIFY_ENFORCE_SSA) && "irg verification failed");
assert(be_check_dominance(irg) && "Dominance verification failed");
}
- BE_TIMER_POP(t_verify);
-
- /* Get the code generator interface. */
- cg_if = isa->impl->get_code_generator_if(isa);
+ be_timer_pop(T_VERIFY);
/* get a code generator for this graph. */
- birg->cg = cg_if->init(birg);
+ arch_env->impl->init_graph(irg);
/* some transformations need to be done before abi introduce */
- 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);
- birg->abi = be_abi_introduce(birg);
- BE_TIMER_POP(t_abi);
-
- dump(DUMP_ABI, irg, "-abi", dump_ir_block_graph);
- be_do_stat_nodes(irg, "02 Abi");
+ be_timer_push(T_ABI);
+ be_abi_introduce(irg);
+ be_timer_pop(T_ABI);
- if (be_options.vrfy_option == BE_VRFY_WARN) {
- be_check_dominance(irg);
- be_verify_out_edges(irg);
- } else if (be_options.vrfy_option == BE_VRFY_ASSERT) {
- assert(be_verify_out_edges(irg));
- assert(be_check_dominance(irg) && "Dominance verification failed");
+ if (!arch_env->custom_abi) {
+ dump(DUMP_ABI, irg, "abi");
}
- /* generate code */
- stat_ev_ctx_push_str("bemain_phase", "prepare");
- BE_TIMER_PUSH(t_codegen);
- arch_code_generator_prepare_graph(birg->cg);
- BE_TIMER_POP(t_codegen);
- stat_ev_ctx_pop("bemain_phase");
+ /* 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);
- /* reset the phi handler. */
- be_phi_handler_reset(env.phi_handler);
+ /* 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);
- be_do_stat_nodes(irg, "03 Prepare");
+ dump(DUMP_PREPARED, irg, "before-code-selection");
+
+ if (be_options.verify_option == BE_VERIFY_WARN) {
+ be_check_dominance(irg);
+ } else if (be_options.verify_option == BE_VERIFY_ASSERT) {
+ assert(be_check_dominance(irg) && "Dominance verification failed");
+ }
- dump(DUMP_PREPARED, irg, "-prepared", dump_ir_block_graph);
+ /* perform codeselection */
+ be_timer_push(T_CODEGEN);
+ if (arch_env->impl->prepare_graph != NULL)
+ arch_env->impl->prepare_graph(irg);
+ be_timer_pop(T_CODEGEN);
- if (be_options.vrfy_option == BE_VRFY_WARN) {
+ if (be_options.verify_option == BE_VERIFY_WARN) {
be_check_dominance(irg);
- be_verify_out_edges(irg);
- } else if (be_options.vrfy_option == BE_VRFY_ASSERT) {
- assert(be_verify_out_edges(irg));
+ } else if (be_options.verify_option == BE_VERIFY_ASSERT) {
assert(be_check_dominance(irg) && "Dominance verification failed");
}
- BE_TIMER_PUSH(t_execfreq);
+ be_timer_push(T_EXECFREQ);
/**
* Create execution frequencies from profile data or estimate some
*/
if (ir_profile_has_data())
birg->exec_freq = ir_create_execfreqs_from_profile(irg);
- else
+ 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);
+ }
+ be_timer_pop(T_EXECFREQ);
/* disabled for now, fails for EmptyFor.c and XXEndless.c */
- /* be_live_chk_compare(birg); */
-
- /* let backend prepare scheduling */
- stat_ev_ctx_push_str("bemain_phase", "before_sched");
- BE_TIMER_PUSH(t_codegen);
- arch_code_generator_before_sched(birg->cg);
- BE_TIMER_POP(t_codegen);
- stat_ev_ctx_pop("bemain_phase");
+ /* be_live_chk_compare(irg); */
/* 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(birg, &be_options);
- break;
-#ifdef WITH_ILP
- case BE_SCHED_ILP:
- be_ilp_sched(birg, &be_options);
- break;
-#endif /* WITH_ILP */
- };
- BE_TIMER_POP(t_sched);
+ be_timer_push(T_SCHED);
+ list_sched(irg);
+ be_timer_pop(T_SCHED);
- dump(DUMP_SCHED, irg, "-sched", dump_ir_block_graph_sched);
+ dump(DUMP_SCHED, irg, "sched");
/* check schedule */
- 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_push(T_VERIFY);
+ be_sched_verify(irg, be_options.verify_option);
+ 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);
- assert(!get_opt_cse());
-
/* 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);
+ assure_constraints(irg);
+ be_timer_pop(T_CONSTR);
- dump(DUMP_SCHED, irg, "-assured", dump_ir_block_graph_sched);
- be_do_stat_nodes(irg, "05 Constraints");
+ dump(DUMP_SCHED, irg, "assured");
/* stuff needs to be done after scheduling but before register allocation */
- BE_TIMER_PUSH(t_codegen);
- arch_code_generator_before_ra(birg->cg);
- BE_TIMER_POP(t_codegen);
+ be_timer_push(T_RA_PREPARATION);
+ 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) */
- BE_TIMER_PUSH(t_abi);
- be_abi_fix_stack_nodes(birg->abi);
- BE_TIMER_POP(t_abi);
+ be_timer_push(T_ABI);
+ be_abi_fix_stack_nodes(irg);
+ be_timer_pop(T_ABI);
- dump(DUMP_SCHED, irg, "-fix_stack", dump_ir_block_graph_sched);
+ dump(DUMP_SCHED, irg, "fix_stack");
/* check schedule */
- BE_TIMER_PUSH(t_verify);
- be_sched_vrfy(birg, be_options.vrfy_option);
- BE_TIMER_POP(t_verify);
+ be_timer_push(T_VERIFY);
+ be_sched_verify(irg, be_options.verify_option);
+ be_timer_pop(T_VERIFY);
- /* do some statistics */
- //be_do_stat_reg_pressure(birg);
-
-#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_allocate_registers(birg);
+ be_allocate_registers(irg);
#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");
+ 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);
- BE_TIMER_POP(t_finish);
+ 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(birg->abi);
- be_remove_dead_nodes_from_schedule(birg);
- be_abi_fix_stack_bias(birg->abi);
- BE_TIMER_POP(t_abi);
+ 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");
- dump(DUMP_SCHED, irg, "-fix_stack_after_ra", dump_ir_block_graph_sched);
+ be_timer_push(T_FINISH);
+ if (arch_env->impl->finish != NULL)
+ arch_env->impl->finish(irg);
+ be_timer_pop(T_FINISH);
- BE_TIMER_PUSH(t_finish);
- arch_code_generator_finish(birg->cg);
- BE_TIMER_POP(t_finish);
+ dump(DUMP_FINAL, irg, "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);
- if (be_options.vrfy_option == BE_VRFY_WARN) {
- irg_verify(irg, VRFY_ENFORCE_SSA);
+ be_timer_push(T_VERIFY);
+ if (be_options.verify_option == BE_VERIFY_WARN) {
+ irg_verify(irg, VERIFY_ENFORCE_SSA);
be_check_dominance(irg);
- be_verify_out_edges(irg);
- be_verify_schedule(birg);
- 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");
+ be_verify_schedule(irg);
+ be_verify_register_allocation(irg);
+ } else if (be_options.verify_option == BE_VERIFY_ASSERT) {
+ assert(irg_verify(irg, VERIFY_ENFORCE_SSA) && "irg verification failed");
assert(be_check_dominance(irg) && "Dominance verification failed");
- assert(be_verify_schedule(birg) && "Schedule verification failed");
- assert(be_verify_register_allocation(birg)
+ assert(be_verify_schedule(irg) && "Schedule verification failed");
+ assert(be_verify_register_allocation(irg)
&& "register allocation verification failed");
}
- BE_TIMER_POP(t_verify);
+ be_timer_pop(T_VERIFY);
/* emit assembler code */
- BE_TIMER_PUSH(t_emit);
- arch_code_generator_done(birg->cg);
- BE_TIMER_POP(t_emit);
+ be_timer_push(T_EMIT);
+ if (arch_env->impl->emit != NULL)
+ arch_env->impl->emit(irg);
+ be_timer_pop(T_EMIT);
- dump(DUMP_FINAL, irg, "-end", dump_ir_block_graph_sched);
+ dump(DUMP_FINAL, irg, "end");
- BE_TIMER_PUSH(t_abi);
- be_abi_free(birg->abi);
- BE_TIMER_POP(t_abi);
+ be_timer_push(T_ABI);
+ be_abi_free(irg);
+ be_timer_pop(T_ABI);
- be_do_stat_nodes(irg, "07 Final");
restore_optimization_state(&state);
- BE_TIMER_POP(t_other);
-
-#define STOP_AND_RESET_TIMER(timer) do { ir_timer_stop(timer); ir_timer_reset(timer); } while(0)
-
-#define LC_EMIT(timer) \
- stat_ev_if { \
- stat_ev_dbl(ir_timer_get_name(timer), ir_timer_elapsed_msec(timer)); \
- } else { \
- printf("%-20s: %8.3lf msec\n", ir_timer_get_description(timer), (double)ir_timer_elapsed_usec(timer) / 1000.0); \
- } \
- STOP_AND_RESET_TIMER(timer);
-
- BE_TIMER_ONLY(
- stat_ev_if {
+ 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)));
+ 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);
+ }
}
- LC_EMIT(t_abi);
- LC_EMIT(t_codegen);
- LC_EMIT(t_sched);
- LC_EMIT(t_live);
- LC_EMIT(t_heights);
- LC_EMIT(t_ssa_constr);
- LC_EMIT(t_constr);
- LC_EMIT(t_execfreq);
- LC_EMIT(t_ra_prolog);
- LC_EMIT(t_ra_spill);
- LC_EMIT(t_ra_spill_apply);
- LC_EMIT(t_ra_constr);
- LC_EMIT(t_ra_color);
- LC_EMIT(t_ra_ifg);
- LC_EMIT(t_ra_copymin);
- LC_EMIT(t_ra_ssa);
- LC_EMIT(t_ra_epilog);
- LC_EMIT(t_ra_other);
- LC_EMIT(t_finish);
- LC_EMIT(t_emit);
- LC_EMIT(t_verify);
- LC_EMIT(t_other);
- );
-#undef LC_EMIT
-
- be_sched_free_phase(irg);
-
- 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 */
+ for (t = 0; 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");
}
ir_profile_free();
be_done_env(&env);
+
+ be_info_free();
}
/* Main interface to the frontend. */
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 = ir_timer_register("bemain", "measure complete bemain loop");
+ t = ir_timer_new();
if (ir_timer_enter_high_priority()) {
fprintf(stderr, "Warning: Could not enter high priority mode.\n");
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';
be_options.statev = 1;
- stat_ev_begin(buf, be_options.printev);
+ 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) {
ir_timer_stop(t);
ir_timer_leave_high_priority();
stat_ev_if {
- stat_ev_dbl("backend_time", ir_timer_elapsed_msec(t));
+ stat_ev_dbl("bemain_backend_time", ir_timer_elapsed_msec(t));
} else {
- printf("%-20s: %lu msec\n", "BEMAINLOOP", ir_timer_elapsed_msec(t));
+ double val = ir_timer_elapsed_usec(t) / 1000.0;
+ printf("%-20s: %8.3lf msec\n", "BEMAINLOOP", val);
}
}
#ifdef FIRM_STATISTICS
- if (be_options.statev)
+ if (be_options.statev) {
+ stat_ev_ctx_pop("bemain_compilation_unit");
stat_ev_end();
+ }
#endif
}
-unsigned be_put_ignore_regs(const be_irg_t *birg, const arch_register_class_t *cls, bitset_t *bs)
+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();
+ (void) context;
+ (void) irp;
+ return 0;
+}
+
+ir_prog_pass_t *lower_for_target_pass(const char *name)
+{
+ ir_prog_pass_t *pass = XMALLOCZ(ir_prog_pass_t);
+ return def_prog_pass_constructor(pass,
+ 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) == (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);
+ be_abi_put_ignore_regs(be_get_irg_abi(irg), cls, bs);
- return bitset_popcnt(bs);
+ return bitset_popcount(bs);
}
projects / libfirm / blobdiff