-static void be_init_timer(be_options_t *main_opts)
-{
- if (main_opts->timing == BE_TIME_ON) {
- ra_timer.t_prolog = lc_timer_register("ra_prolog", "regalloc prolog");
- ra_timer.t_epilog = lc_timer_register("ra_epilog", "regalloc epilog");
- ra_timer.t_live = lc_timer_register("ra_liveness", "be liveness");
- ra_timer.t_spill = lc_timer_register("ra_spill", "spiller");
- ra_timer.t_spillslots = lc_timer_register("ra_spillslots", "spillslots");
- ra_timer.t_color = lc_timer_register("ra_color", "graph coloring");
- ra_timer.t_ifg = lc_timer_register("ra_ifg", "interference graph");
- ra_timer.t_copymin = lc_timer_register("ra_copymin", "copy minimization");
- ra_timer.t_ssa = lc_timer_register("ra_ssadestr", "ssa destruction");
- ra_timer.t_verify = lc_timer_register("ra_verify", "graph verification");
- ra_timer.t_other = lc_timer_register("ra_other", "other time");
-
- LC_STOP_AND_RESET_TIMER(ra_timer.t_prolog);
- LC_STOP_AND_RESET_TIMER(ra_timer.t_epilog);
- LC_STOP_AND_RESET_TIMER(ra_timer.t_live);
- LC_STOP_AND_RESET_TIMER(ra_timer.t_spill);
- LC_STOP_AND_RESET_TIMER(ra_timer.t_spillslots);
- LC_STOP_AND_RESET_TIMER(ra_timer.t_color);
- LC_STOP_AND_RESET_TIMER(ra_timer.t_ifg);
- LC_STOP_AND_RESET_TIMER(ra_timer.t_copymin);
- LC_STOP_AND_RESET_TIMER(ra_timer.t_ssa);
- LC_STOP_AND_RESET_TIMER(ra_timer.t_verify);
- LC_STOP_AND_RESET_TIMER(ra_timer.t_other);
- }
-}
-
-#define BE_TIMER_INIT(main_opts) be_init_timer(main_opts)
-
-#define BE_TIMER_PUSH(timer) \
- if (main_opts->timing == BE_TIME_ON) { \
- if (! lc_timer_push(timer)) { \
- if (options.vrfy_option == BE_CH_VRFY_ASSERT) \
- assert(!"Timer already on stack, cannot be pushed twice."); \
- else if (options.vrfy_option == BE_CH_VRFY_WARN) \
- fprintf(stderr, "Timer %s already on stack, cannot be pushed twice.\n", \
- lc_timer_get_name(timer)); \
- } \
- }
-#define BE_TIMER_POP(timer) \
- if (main_opts->timing == BE_TIME_ON) { \
- lc_timer_t *tmp = lc_timer_pop(); \
- if (options.vrfy_option == BE_CH_VRFY_ASSERT) \
- assert(tmp == timer && "Attempt to pop wrong timer."); \
- else if (options.vrfy_option == BE_CH_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; \
- }
-#else
-
-#define BE_TIMER_INIT(main_opts)
-#define BE_TIMER_PUSH(timer)
-#define BE_TIMER_POP(timer)
-
-#endif /* WITH_LIBCORE */
-
-/**
- * Performs chordal register allocation for each register class on given irg.
- *
- * @param bi Backend irg object
- * @return Structure containing timer for the single phases or NULL if no timing requested.
- */
-static be_ra_timer_t *be_ra_chordal_main(const be_irg_t *bi)
-{
- const be_main_env_t *main_env = bi->main_env;
- const arch_isa_t *isa = arch_env_get_isa(main_env->arch_env);
- ir_graph *irg = bi->irg;
- be_options_t *main_opts = main_env->options;
- int splitted = 0;
-
- int j, m;
- be_chordal_env_t chordal_env;
+static void post_spill(post_spill_env_t *pse, int iteration) {
+ be_chordal_env_t *chordal_env = &pse->cenv;
+ be_irg_t *birg = pse->birg;
+ ir_graph *irg = birg->irg;
+ const be_main_env_t *main_env = birg->main_env;
+ int colors_n = arch_register_class_n_regs(chordal_env->cls);
+ int allocatable_regs = colors_n - be_put_ignore_regs(birg, chordal_env->cls, NULL);
+
+ /* some special classes contain only ignore regs, no work to be done */
+ if (allocatable_regs > 0) {
+ stat_ev_dbl("bechordal_spillcosts", be_estimate_irg_costs(irg, main_env->arch_env, birg->exec_freq) - pse->pre_spill_cost);
+
+ /*
+ If we have a backend provided spiller, post spill is
+ called in a loop after spilling for each register class.
+ But we only need to fix stack nodes once in this case.
+ */
+ BE_TIMER_PUSH(t_ra_spill_apply);
+ check_for_memory_operands(chordal_env);
+ if (iteration == 0) {
+ be_abi_fix_stack_nodes(birg->abi);
+ }
+ BE_TIMER_POP(t_ra_spill_apply);