re PR bootstrap/55068 (AIX bootstrap in push_reload() after LRA merge)

2012-10-24  Vladimir Makarov  <vmakarov@redhat.com>

	PR bootstrap/55068
	PR regression/55050
	* ira.c (setup_reg_renumber): Fix assert.
	* ira-emit.c (emit_move_list): Update equivalences only for LRA.

From-SVN: r192797

gcc/ChangeLog

 2012-10-24  Vladimir Makarov  <vmakarov@redhat.com>
 
+	PR bootstrap/55068
+	PR regression/55050
+	* ira.c (setup_reg_renumber): Fix assert.
+	* ira-emit.c (emit_move_list): Update equivalences only for LRA.
+
+2012-10-24  Vladimir Makarov  <vmakarov@redhat.com>
+
 	PR bootstrap/55067
 	* lra.c: Rename loc to sloc and loc_t to sloc_t.
 

gcc/ira-emit.c

@@ -947,7 +947,8 @@ emit_move_list (move_t list, int freq)
 		= gen_rtx_INSN_LIST (VOIDmode, insn, reg_equiv_init (regno));
 	    }
 	}
-      ira_update_equiv_info_by_shuffle_insn (to_regno, from_regno, list->insn);
+      if (ira_use_lra_p)
+	ira_update_equiv_info_by_shuffle_insn (to_regno, from_regno, list->insn);
       emit_insn (list->insn);
       mode = ALLOCNO_MODE (list->to);
       aclass = ALLOCNO_CLASS (list->to);

gcc/ira.c

@@ -1989,6 +1989,7 @@ setup_reg_renumber (void)
 	      ira_assert (!optimize || flag_caller_saves
 			  || (ALLOCNO_CALLS_CROSSED_NUM (a)
 			      == ALLOCNO_CHEAP_CALLS_CROSSED_NUM (a))
+			  || regno >= ira_reg_equiv_len
 			  || ira_equiv_no_lvalue_p (regno));
 	      caller_save_needed = 1;
 	    }