tree.def (REALPART_EXPR, [...]): Change class to 'r'.

        * tree.def (REALPART_EXPR, IMAGPART_EXPR): Change class to 'r'.
        * fold-const.c (operand_equal_p <case 'r'>): Add REALPART_EXPR,
        IMAGPART_EXPR.
        * tree-dump.c (dequeue_and_dump): Handle REALPART_EXPR and
        IMAGPART_EXPR explicitly.
        * tree-inline.c (estimate_num_insns_1): Don't handle REALPART_EXPR
        and IMAGPART_EXPR specially.
        * tree.c (build1_stat): Copy TREE_THIS_VOLATILE into class 'r'.

From-SVN: r83825

gcc/ChangeLog

+2004-06-28  Richard Henderson  <rth@redhat.com>
+
+	* tree.def (REALPART_EXPR, IMAGPART_EXPR): Change class to 'r'.
+	* fold-const.c (operand_equal_p <case 'r'>): Add REALPART_EXPR,
+	IMAGPART_EXPR.
+	* tree-dump.c (dequeue_and_dump): Handle REALPART_EXPR and
+	IMAGPART_EXPR explicitly.
+	* tree-inline.c (estimate_num_insns_1): Don't handle REALPART_EXPR
+	and IMAGPART_EXPR specially.
+	* tree.c (build1_stat): Copy TREE_THIS_VOLATILE into class 'r'.
+
 2004-06-28  J"orn Rennecke <joern.rennecke@superh.com>
 
 	* config.gcc (sh*-*elf*): Remove dead assignment of sh_multilibs.

gcc/fold-const.c

@@ -2479,6 +2479,8 @@ operand_equal_p (tree arg0, tree arg1, unsigned int flags)
       switch (TREE_CODE (arg0))
 	{
 	case INDIRECT_REF:
+	case REALPART_EXPR:
+	case IMAGPART_EXPR:
 	  return operand_equal_p (TREE_OPERAND (arg0, 0),
 				  TREE_OPERAND (arg1, 0), flags);
 

gcc/tree-dump.c

@@ -528,6 +528,8 @@ dequeue_and_dump (dump_info_p di)
     case INDIRECT_REF:
     case CLEANUP_POINT_EXPR:
     case SAVE_EXPR:
+    case REALPART_EXPR:
+    case IMAGPART_EXPR:
       /* These nodes are unary, but do not have code class `1'.  */
       dump_child ("op 0", TREE_OPERAND (t, 0));
       break;

gcc/tree-inline.c

@@ -1220,8 +1220,6 @@ estimate_num_insns_1 (tree *tp, int *walk_subtrees, void *data)
     case ADDR_EXPR:
     case REFERENCE_EXPR:
     case COMPLEX_EXPR:
-    case REALPART_EXPR:
-    case IMAGPART_EXPR:
     case EXIT_BLOCK_EXPR:
     case CASE_LABEL_EXPR:
     case SSA_NAME:

gcc/tree.c

@@ -2483,6 +2483,8 @@ build1_stat (enum tree_code code, tree type, tree node MEM_STAT_DECL)
 	TREE_CONSTANT (t) = 1;
       if (TREE_CODE_CLASS (code) == '1' && node && TREE_INVARIANT (node))
 	TREE_INVARIANT (t) = 1;
+      if (TREE_CODE_CLASS (code) == 'r' && node && TREE_THIS_VOLATILE (node))
+	TREE_THIS_VOLATILE (t) = 1;
       break;
     }
 

gcc/tree.def

@@ -776,8 +776,8 @@ DEFTREECODE (CONJ_EXPR, "conj_expr", '1', 1)
 
 /* Used only on an operand of complex type, these return
    a value of the corresponding component type.  */
-DEFTREECODE (REALPART_EXPR, "realpart_expr", '1', 1)
-DEFTREECODE (IMAGPART_EXPR, "imagpart_expr", '1', 1)
+DEFTREECODE (REALPART_EXPR, "realpart_expr", 'r', 1)
+DEFTREECODE (IMAGPART_EXPR, "imagpart_expr", 'r', 1)
 
 /* Nodes for ++ and -- in C.
    The second arg is how much to increment or decrement by.