* rtlanal.c (add_reg_note): New function.

[pf3gnuchains/gcc-fork.git] / gcc / reorg.c

diff --git a/gcc/reorg.c b/gcc/reorg.c
index 7135a18..25f410a 100644 (file)
--- a/gcc/reorg.c
+++ b/gcc/reorg.c
@@ -3217,9 +3217,7 @@ delete_prior_computation (rtx note, rtx insn)
                {
                  int i;
 
-                 REG_NOTES (our_prev)
-                   = gen_rtx_EXPR_LIST (REG_UNUSED, reg,
-                                        REG_NOTES (our_prev));
+                 add_reg_note (our_prev, REG_UNUSED, reg);
 
                  for (i = dest_regno; i < dest_endregno; i++)
                    if (! find_regno_note (our_prev, REG_UNUSED, i))
@@ -3281,8 +3279,7 @@ delete_computation (rtx insn)
            delete_computation (prev);
          else
            /* Otherwise, show that cc0 won't be used.  */
-           REG_NOTES (prev) = gen_rtx_EXPR_LIST (REG_UNUSED,
-                                                 cc0_rtx, REG_NOTES (prev));
+           add_reg_note (prev, REG_UNUSED, cc0_rtx);
        }
     }
 #endif
@@ -4024,9 +4021,7 @@ dbr_schedule (rtx first)
        continue;
 
       pred_flags = get_jump_flags (insn, JUMP_LABEL (insn));
-      REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_BR_PRED,
-                                           GEN_INT (pred_flags),
-                                           REG_NOTES (insn));
+      add_reg_note (insn, REG_BR_PRED, GEN_INT (pred_flags));
     }
   free_resource_info ();
   free (uid_to_ruid);