* rtlanal.c (dead_or_set_regno_p): Use find_regno_note.

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

diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c
index d9087cd..f45a3d4 100644 (file)
--- a/gcc/rtlanal.c
+++ b/gcc/rtlanal.c
@@ -1233,22 +1233,9 @@ dead_or_set_regno_p (insn, test_regno)
   unsigned int regno, endregno;
   rtx link, pattern;
 
-  /* See if there is a death note for something that includes
-     TEST_REGNO.  */
-  for (link = REG_NOTES (insn); link; link = XEXP (link, 1))
-    {
-      if (REG_NOTE_KIND (link) != REG_DEAD
-         || GET_CODE (XEXP (link, 0)) != REG)
-       continue;
-
-      regno = REGNO (XEXP (link, 0));
-      endregno = (regno >= FIRST_PSEUDO_REGISTER ? regno + 1
-                 : regno + HARD_REGNO_NREGS (regno,
-                                             GET_MODE (XEXP (link, 0))));
-
-      if (test_regno >= regno && test_regno < endregno)
-       return 1;
-    }
+  /* See if there is a death note for something that includes TEST_REGNO.  */
+  if (find_regno_note (insn, REG_DEAD, test_regno))
+    return 1;
 
   if (GET_CODE (insn) == CALL_INSN
       && find_regno_fusage (insn, CLOBBER, test_regno))