lra-constraints.c (inherit_in_ebb): Process static hard regs too.

2013-06-27  Vladimir Makarov  <vmakarov@redhat.com>

	* lra-constraints.c (inherit_in_ebb): Process static hard regs
	too.  Process OP_INOUT regs for splitting too.

From-SVN: r200475

gcc/ChangeLog

+2013-06-27  Vladimir Makarov  <vmakarov@redhat.com>
+
+	* lra-constraints.c (inherit_in_ebb): Process static hard regs
+	too.  Process OP_INOUT regs for splitting too.
+
 2013-06-27  Jakub Jelinek  <jakub@redhat.com>
 
 	* tree-vect-stmts.c (vectorizable_store): Move ptr_incr var

gcc/lra-constraints.c

@@ -4762,12 +4762,17 @@ inherit_in_ebb (rtx head, rtx tail)
 	}
       else if (INSN_P (curr_insn))
 	{
+	  int iter;
 	  int max_uid = get_max_uid ();
 
 	  curr_id = lra_get_insn_recog_data (curr_insn);
+	  curr_static_id = curr_id->insn_static_data;
 	  to_inherit_num = 0;
 	  /* Process insn definitions.	*/
-	  for (reg = curr_id->regs; reg != NULL; reg = reg->next)
+	  for (iter = 0; iter < 2; iter++)
+	    for (reg = iter == 0 ? curr_id->regs : curr_static_id->hard_regs;
+		 reg != NULL;
+		 reg = reg->next)
 	      if (reg->type != OP_IN
 		  && (dst_regno = reg->regno) < lra_constraint_new_regno_start)
 		{
@@ -4794,7 +4799,7 @@ inherit_in_ebb (rtx head, rtx tail)
 		     usage_insns invalidation.  */
 		  if ((dst_regno < FIRST_PSEUDO_REGISTER
 		       || reg_renumber[dst_regno] >= 0)
-		    && ! reg->subreg_p && reg->type == OP_OUT)
+		    && ! reg->subreg_p && reg->type != OP_IN)
 		    {
 		      HARD_REG_SET s;
 
@@ -4876,7 +4881,10 @@ inherit_in_ebb (rtx head, rtx tail)
 	    }
 	  to_inherit_num = 0;
 	  /* Process insn usages.  */
-	  for (reg = curr_id->regs; reg != NULL; reg = reg->next)
+	  for (iter = 0; iter < 2; iter++)
+	    for (reg = iter == 0 ? curr_id->regs : curr_static_id->hard_regs;
+		 reg != NULL;
+		 reg = reg->next)
 	      if ((reg->type != OP_OUT
 		   || (reg->type == OP_OUT && reg->subreg_p))
 		  && (src_regno = reg->regno) < lra_constraint_new_regno_start)