2008-07-06 Andreas Tobler <a.tobler@schweiz.org>

[pf3gnuchains/gcc-fork.git] / gcc / regstat.c

diff --git a/gcc/regstat.c b/gcc/regstat.c
index 9f8e41f..2ec8c5b 100644 (file)
--- a/gcc/regstat.c
+++ b/gcc/regstat.c
@@ -60,7 +60,7 @@ regstat_init_n_sets_and_refs (void)
   df_grow_reg_info ();
   gcc_assert (!regstat_n_sets_and_refs);
 
-  regstat_n_sets_and_refs = xmalloc (max_regno * sizeof (struct regstat_n_sets_and_refs_t));
+  regstat_n_sets_and_refs = XNEWVEC (struct regstat_n_sets_and_refs_t, max_regno);
 
   for (i = 0; i < max_regno; i++)
     {
@@ -180,6 +180,7 @@ regstat_bb_compute_ri (unsigned int bb_index,
          EXECUTE_IF_SET_IN_BITMAP (live, 0, regno, bi)
            {
              REG_N_CALLS_CROSSED (regno)++;
+             REG_FREQ_CALLS_CROSSED (regno) += REG_FREQ_FROM_BB (bb);
              if (can_throw)
                REG_N_THROWING_CALLS_CROSSED (regno)++;
              
@@ -343,7 +344,7 @@ regstat_compute_ri (void)
   setjmp_crosses = BITMAP_ALLOC (&df_bitmap_obstack);
   max_regno = max_reg_num ();
   reg_info_p_size = max_regno;
-  reg_info_p = xcalloc (max_regno, sizeof (struct reg_info_t));
+  reg_info_p = XCNEWVEC (struct reg_info_t, max_regno);
 
   FOR_EACH_BB (bb)
     {
@@ -445,7 +446,10 @@ regstat_bb_compute_calls_crossed (unsigned int bb_index, bitmap live)
        {
          bitmap_iterator bi;
          EXECUTE_IF_SET_IN_BITMAP (live, 0, regno, bi)
-           REG_N_CALLS_CROSSED (regno)++;
+           {
+             REG_N_CALLS_CROSSED (regno)++;
+             REG_FREQ_CALLS_CROSSED (regno) += REG_FREQ_FROM_BB (bb);
+           }
        }
          
       /* All of the defs except the return value are some sort of
@@ -484,7 +488,7 @@ regstat_compute_calls_crossed (void)
   timevar_push (TV_REG_STATS);
   max_regno = max_reg_num ();
   reg_info_p_size = max_regno;
-  reg_info_p = xcalloc (max_regno, sizeof (struct reg_info_t));
+  reg_info_p = XCNEWVEC (struct reg_info_t, max_regno);
 
   FOR_EACH_BB (bb)
     {