dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or DW_OP_bregx when cfa->reg > 31.

	* dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
	DW_OP_bregx when cfa->reg > 31.

	* frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
	break.

From-SVN: r36757

gcc/ChangeLog

+2000-10-06  Hans-Peter Nilsson  <hp@bitrange.com>
+
+	* dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or
+	DW_OP_bregx when cfa->reg > 31.
+
+	* frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing
+	break.
+
 2000-10-05  Richard Henderson  <rth@cygnus.com>
 
 	* c-decl.c (warn_missing_noreturn): Remove.

gcc/dwarf2out.c

@@ -2827,9 +2827,16 @@ build_cfa_loc (cfa)
     abort ();
 
   if (cfa->base_offset)
-    head = new_loc_descr (DW_OP_breg0 + cfa->reg, cfa->base_offset, 0);
-  else
+    {
+      if (cfa->reg <= 31)
+	head = new_loc_descr (DW_OP_breg0 + cfa->reg, cfa->base_offset, 0);
+      else
+	head = new_loc_descr (DW_OP_bregx, cfa->reg, cfa->base_offset);
+    }
+  else if (cfa->reg <= 31)
     head = new_loc_descr (DW_OP_reg0 + cfa->reg, 0, 0);
+  else
+    head = new_loc_descr (DW_OP_regx, cfa->reg, 0);
   head->dw_loc_oprnd1.val_class = dw_val_class_const;
   tmp = new_loc_descr (DW_OP_deref, 0, 0);
   add_loc_descr (&head, tmp);

gcc/frame-dwarf2.c

@@ -514,6 +514,7 @@ decode_stack_op (unsigned char *buf, struct frame_state *state)
     case DW_OP_regx:
       buf = decode_sleb128 (buf, &offset);
       state->cfa_reg = offset;
+      break;
     case DW_OP_breg0:
     case DW_OP_breg1:
     case DW_OP_breg2: