register slots are now automatically allocated together with the $ARCH_attribute

[libfirm] / ir / be / belower.c

diff --git a/ir/be/belower.c b/ir/be/belower.c
index ae3db13..e093688 100644 (file)
--- a/ir/be/belower.c
+++ b/ir/be/belower.c
@@ -15,12 +15,14 @@
 
 #include "ircons.h"
 #include "debug.h"
+#include "irhooks.h"
 
 #include "bearch.h"
 #include "belower.h"
 #include "benode_t.h"
 #include "bechordal_t.h"
 #include "besched_t.h"
+#include "bestat.h"
 
 #include "irgmod.h"
 #include "iredges_t.h"
@@ -36,13 +38,10 @@
 #undef is_Perm
 #define is_Perm(arch_env, irn) (arch_irn_classify(arch_env, irn) == arch_irn_class_perm)
 
-#undef is_Call
-#define is_Call(arch_env, irn) (arch_irn_classify(arch_env, irn) == arch_irn_class_call)
-
 /* lowering walker environment */
 typedef struct _lower_env_t {
        be_chordal_env_t  *chord_env;
-       int                do_copy;
+       unsigned           do_copy:1;
        DEBUG_ONLY(firm_dbg_module_t *dbg_module;)
 } lower_env_t;
 
@@ -248,11 +247,12 @@ static perm_cycle_t *get_perm_cycle(perm_cycle_t *cycle, reg_pair_t *pairs, int
 static void lower_perm_node(ir_node *irn, void *walk_env) {
        const arch_register_class_t *reg_class;
        const arch_env_t            *arch_env;
-       lower_env_t     *env = walk_env;
+       lower_env_t     *env         = walk_env;
+       int              real_size   = 0;
+       int              n, i, pn, do_copy, j, n_ops;
        reg_pair_t      *pairs;
        const ir_edge_t *edge;
        perm_cycle_t    *cycle;
-       int              n, i, pn, do_copy, j;
        ir_node         *sched_point, *block, *in[2];
        ir_node         *arg1, *arg2, *res1, *res2;
        ir_node         *cpyxchg = NULL;
@@ -325,9 +325,13 @@ static void lower_perm_node(ir_node *irn, void *walk_env) {
                do_copy = 0;
        }
 
+       real_size = n - get_n_checked_pairs(pairs, n);
+
+       be_do_stat_perm(reg_class->name, reg_class->n_regs, irn, block, n, real_size);
+
        /* check for cycles and chains */
        while (get_n_checked_pairs(pairs, n) < n) {
-               i = 0;
+               i = n_ops = 0;
 
                /* go to the first not-checked pair */
                while (pairs[i].checked) i++;
@@ -358,7 +362,6 @@ static void lower_perm_node(ir_node *irn, void *walk_env) {
 
                        res1 = get_node_for_register(pairs, n, cycle->elems[i], 1);
                        res2 = get_node_for_register(pairs, n, cycle->elems[i + 1], 1);
-
                        /*
                                If we have a cycle and don't copy: we need to create exchange nodes
                                NOTE: An exchange node is a perm node with 2 INs and 2 OUTs
@@ -404,6 +407,7 @@ static void lower_perm_node(ir_node *irn, void *walk_env) {
                                        irn, res1, cycle->elems[i]->name, res2, cycle->elems[i + 1]->name));
 
                                cpyxchg = be_new_Perm(reg_class, env->chord_env->irg, block, 2, in);
+                               n_ops++;
 
                                if (i > 0) {
                                        /* cycle is not done yet */
@@ -446,6 +450,7 @@ static void lower_perm_node(ir_node *irn, void *walk_env) {
 
                                cpyxchg = be_new_Copy(reg_class, env->chord_env->irg, block, arg1);
                                arch_set_irn_register(arch_env, cpyxchg, cycle->elems[i + 1]);
+                               n_ops++;
 
                                /* remove the proj from the schedule */
                                sched_remove(res2);
@@ -461,10 +466,14 @@ static void lower_perm_node(ir_node *irn, void *walk_env) {
                        }
                }
 
+               be_do_stat_permcycle(reg_class->name, irn, block, cycle->type == PERM_CHAIN, cycle->n_elems, n_ops);
+
                free((void *) cycle->elems);
                free(cycle);
        }
 
+
+
        /* remove the perm from schedule */
        sched_remove(irn);
 }
@@ -621,8 +630,6 @@ static void lower_nodes_after_ra_walker(ir_node *irn, void *walk_env) {
        return;
 }
 
-
-
 /**
  * Walks over all blocks in an irg and performs lowering need to be
  * done after register allocation (e.g. perm lowering).
@@ -641,4 +648,3 @@ void lower_nodes_after_ra(be_chordal_env_t *chord_env, int do_copy) {
 }
 
 #undef is_Perm
-#undef is_Call