re PR rtl-optimization/42941 (-fsched-pressure -fschedule-insns - valgrind warns…

re PR rtl-optimization/42941 (-fsched-pressure -fschedule-insns - valgrind warns about using uninitialized variable)

2010-02-03  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimizations/42941
	* sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
	of xmalloc.

From-SVN: r156472

gcc/ChangeLog

+2010-02-03  Vladimir Makarov  <vmakarov@redhat.com>
+
+	PR rtl-optimizations/42941
+	* sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
+	of xmalloc.
+
 2010-02-03  Jason Merrill  <jason@redhat.com>
 
 	PR c++/35652

gcc/sched-deps.c

@@ -2033,8 +2033,8 @@ setup_insn_reg_pressure_info (rtx insn)
   len = sizeof (struct reg_pressure_data) * ira_reg_class_cover_size;
   pressure_info
     = INSN_REG_PRESSURE (insn) = (struct reg_pressure_data *) xmalloc (len);
-  INSN_MAX_REG_PRESSURE (insn) = (int *) xmalloc (ira_reg_class_cover_size
-						  * sizeof (int));
+  INSN_MAX_REG_PRESSURE (insn) = (int *) xcalloc (ira_reg_class_cover_size
+						  * sizeof (int), 1);
   for (i = 0; i < ira_reg_class_cover_size; i++)
     {
       cl = ira_reg_class_cover[i];