bechordal: Remove the attribute pre_spill_cost from struct post_spill_env_t.

diff --git a/ir/be/bechordal_main.c b/ir/be/bechordal_main.c
index 25afae7..a6bbad0 100644 (file)
--- a/ir/be/bechordal_main.c
+++ b/ir/be/bechordal_main.c
@@ -91,7 +91,6 @@ static be_ra_chordal_opts_t options = {
 typedef struct post_spill_env_t {
        be_chordal_env_t            cenv;
        const arch_register_class_t *cls;
-       double                      pre_spill_cost;
 } post_spill_env_t;
 
 static const lc_opt_enum_int_items_t lower_perm_items[] = {
@@ -242,10 +241,6 @@ static void pre_spill(post_spill_env_t *pse, const arch_register_class_t *cls, i
 
        be_assure_live_chk(irg);
 
-       if (stat_ev_enabled) {
-               pse->pre_spill_cost = be_estimate_irg_costs(irg);
-       }
-
        /* put all ignore registers into the ignore register set. */
        be_put_allocatable_regs(irg, pse->cls, chordal_env->allocatable_regs);
 
@@ -266,8 +261,6 @@ static void post_spill(post_spill_env_t *const pse, ir_graph *const irg)
 
        /* 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) - pse->pre_spill_cost);
-
                /*
                        If we have a backend provided spiller, post spill is
                        called in a loop after spilling for each register class.
@@ -396,8 +389,10 @@ static void be_ra_chordal_main(ir_graph *irg)
 
                stat_ev_ctx_push_str("bechordal_cls", cls->name);
 
+               double pre_spill_cost = 0;
                if (stat_ev_enabled) {
                        be_do_stat_reg_pressure(irg, cls);
+                       pre_spill_cost = be_estimate_irg_costs(irg);
                }
 
                pse.cenv = chordal_env;
@@ -409,6 +404,8 @@ static void be_ra_chordal_main(ir_graph *irg)
 
                dump(BE_CH_DUMP_SPILL, irg, pse.cls, "spill");
 
+               stat_ev_dbl("bechordal_spillcosts", be_estimate_irg_costs(irg) - pre_spill_cost);
+
                post_spill(&pse, irg);
 
                if (stat_ev_enabled) {