/**
- *
- * @file firm_opt.c -- Firm-generating back end optimizations.
- *
- * (C) 2005-2010 Michael Beck beck@ipd.info.uni-karlsruhe.de
- *
- * $Id$
+ * (C) 2005-2010
+ * @file
+ * @author Michael Beck, Matthias Braun
+ * @brief Firm-generating back end optimizations.
*/
-
#include <config.h>
#include <stdbool.h>
#include "firm_timing.h"
#include "ast2firm.h"
#include "adt/strutil.h"
+#include "adt/util.h"
/* optimization settings */
struct a_firm_opt {
{ &rts_entities[rts_memset], i_mapper_memset },
{ &rts_entities[rts_memcmp], i_mapper_memcmp }
};
- i_record rec[sizeof(mapper)/sizeof(mapper[0])];
- unsigned i, n_map;
+ i_record rec[lengthof(mapper)];
+ size_t n_map = 0;
- for (i = n_map = 0; i < sizeof(mapper)/sizeof(mapper[0]); ++i) {
+ for (size_t i = 0; i != lengthof(mapper); ++i) {
if (*mapper[i].ent != NULL) {
rec[n_map].i_call.kind = INTRINSIC_CALL;
rec[n_map].i_call.i_ent = *mapper[i].ent;
set_opt_global_cse(0);
}
-static void lower_blockcopy(ir_graph *irg)
-{
- lower_CopyB(irg, 128, 4);
-}
-
typedef enum opt_target {
OPT_TARGET_IRG, /**< optimization function works on a single graph */
OPT_TARGET_IRP /**< optimization function works on the complete program */
IRG("if-conversion", opt_if_conv, "if-conversion", OPT_FLAG_NONE),
IRG("invert-loops", do_loop_inversion, "loop inversion", OPT_FLAG_NONE),
IRG("ivopts", do_stred, "induction variable strength reduction", OPT_FLAG_NONE),
- IRG("local", optimize_graph_df, "local graph optimizations", OPT_FLAG_HIDE_OPTIONS),
+ IRG("local", local_opts, "local graph optimizations", OPT_FLAG_HIDE_OPTIONS),
IRG("lower", lower_highlevel_graph, "lowering", OPT_FLAG_HIDE_OPTIONS | OPT_FLAG_ESSENTIAL),
IRG("lower-mux", do_lower_mux, "mux lowering", OPT_FLAG_NONE),
IRG("opt-load-store", optimize_load_store, "load store optimization", OPT_FLAG_NONE),
IRG("vrp", set_vrp_data, "value range propagation", OPT_FLAG_NONE),
IRP("inline", do_inline, "inlining", OPT_FLAG_NONE),
IRP("lower-const", lower_const_code, "lowering of constant code", OPT_FLAG_HIDE_OPTIONS | OPT_FLAG_NO_DUMP | OPT_FLAG_NO_VERIFY | OPT_FLAG_ESSENTIAL),
- IRG("lower-blockcopy", lower_blockcopy, "replace small block copies with load/store sequences", OPT_FLAG_NO_DUMP),
IRP("target-lowering", be_lower_for_target, "lowering necessary for target architecture", OPT_FLAG_HIDE_OPTIONS | OPT_FLAG_ESSENTIAL),
IRP("opt-func-call", optimize_funccalls, "function call optimization", OPT_FLAG_NONE),
IRP("opt-proc-clone", do_cloning, "procedure cloning", OPT_FLAG_NONE),
#undef IRP
#undef IRG
};
-static const int n_opts = sizeof(opts) / sizeof(opts[0]);
+
+#define FOR_EACH_OPT(i) for (opt_config_t *i = opts; i != endof(opts); ++i)
static opt_config_t *get_opt(const char *name)
{
- int i;
- for (i = 0; i < n_opts; ++i) {
- opt_config_t *config = &opts[i];
- if (strcmp(config->name, name) == 0)
+ FOR_EACH_OPT(config) {
+ if (streq(config->name, name))
return config;
}
set_opt_enabled("confirm", true);
set_opt_enabled("opt-load-store", true);
set_opt_enabled("lower", true);
- set_opt_enabled("lower-blockcopy", true);
set_opt_enabled("deconv", true);
set_opt_enabled("remove-confirms", true);
set_opt_enabled("ivopts", true);
for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
ir_graph *irg = get_irp_irg(i);
- do_irg_opt(irg, "lower-blockcopy");
do_irg_opt(irg, "local");
do_irg_opt(irg, "deconv");
do_irg_opt(irg, "control-flow");
void gen_firm_init(void)
{
unsigned pattern = 0;
- int i;
- for (i = 0; i < n_opts; ++i) {
- opts[i].timer = ir_timer_new();
- timer_register(opts[i].timer, opts[i].description);
+ FOR_EACH_OPT(i) {
+ i->timer = ir_timer_new();
+ timer_register(i->timer, i->description);
}
t_verify = ir_timer_new();
timer_register(t_verify, "Firm: verify pass");
if (firm_dump.stat_dag)
pattern |= FIRMSTAT_COUNT_DAG;
- ir_init(NULL);
+ ir_init();
firm_init_stat(firm_dump.statistic == STAT_NONE ?
0 : FIRMSTAT_ENABLED | FIRMSTAT_COUNT_STRONG_OP
| FIRMSTAT_COUNT_CONSTS | pattern);
set_opt_algebraic_simplification(firm_opt.const_folding);
set_opt_cse(firm_opt.cse);
set_opt_global_cse(0);
- set_opt_unreachable_code(1);
}
/**
for (i = get_irp_n_irgs() - 1; i >= 0; --i) {
ir_graph *irg = get_irp_irg(i);
do_irg_opt(irg, "control-flow");
- do_irg_opt(irg, "lower-blockcopy");
}
if (firm_dump.statistic & STAT_BEFORE_OPT) {
firm_opt.strict_alias = false;
firm_opt.no_alias = false;
- for (int i = 0; i < n_opts; ++i) {
- opt_config_t *config = &opts[i];
+ FOR_EACH_OPT(config) {
if (config->flags & OPT_FLAG_ESSENTIAL) {
config->flags |= OPT_FLAG_ENABLED;
} else {
static bool firm_opt_option(const char *opt)
{
- bool enable = true;
- if (strncmp(opt, "no-", 3) == 0) {
- enable = false;
- opt = opt + 3;
- }
+ char const* const rest = strstart(opt, "no-");
+ bool const enable = rest ? opt = rest, false : true;
opt_config_t *config = get_opt(opt);
if (config == NULL || (config->flags & OPT_FLAG_HIDE_OPTIONS))
{
print_option_help(firm_options[0].option, firm_options[0].description);
- for (int i = 0; i < n_opts; ++i) {
+ FOR_EACH_OPT(config) {
char buf[1024];
char buf2[1024];
- const opt_config_t *config = &opts[i];
if (config->flags & OPT_FLAG_HIDE_OPTIONS)
continue;
print_option_help(buf, buf2);
}
- size_t const n_options = sizeof(firm_options)/sizeof(firm_options[0]);
- for (size_t k = 0; k < n_options; ++k) {
+ for (size_t k = 0; k != lengthof(firm_options); ++k) {
char buf[1024];
char buf2[1024];
snprintf(buf, sizeof(buf), "-f%s", firm_options[k].option);
}
size_t const len = strlen(opt);
- size_t const n_options = sizeof(firm_options)/sizeof(firm_options[0]);
- for (size_t i = n_options; i != 0;) {
+ for (size_t i = lengthof(firm_options); i != 0;) {
struct params const* const o = &firm_options[--i];
- if (len == o->opt_len && strncmp(opt, o->option, len) == 0) {
+ if (len == o->opt_len && memcmp(opt, o->option, len) == 0) {
/* statistic options do accumulate */
if (o->flag == &firm_dump.statistic)
*o->flag = (bool) (*o->flag | o->set);
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