lra.c (update_inc_notes): Remove all REG_DEAD and REG_UNUSED notes.

2013-09-25  Yvan Roux  <yvan.roux@linaro.org>

	* lra.c (update_inc_notes): Remove all REG_DEAD and REG_UNUSED notes.

From-SVN: r202915

gcc/ChangeLog

 2013-09-25  Yvan Roux  <yvan.roux@linaro.org>
+
+	* lra.c (update_inc_notes): Remove all REG_DEAD and REG_UNUSED notes.
+
+2013-09-25  Yvan Roux  <yvan.roux@linaro.org>
 	    Vladimir Makarov  <vmakarov@redhat.com>
 
 	* rtlanal.c (lsb_bitfield_op_p): New predicate for bitfield operations

gcc/lra.c

@@ -2163,7 +2163,9 @@ update_inc_notes (void)
 	pnote = &REG_NOTES (insn);
 	while (*pnote != 0)
 	  {
-	    if (REG_NOTE_KIND (*pnote) == REG_INC)
+	    if (REG_NOTE_KIND (*pnote) == REG_DEAD
+                || REG_NOTE_KIND (*pnote) == REG_UNUSED
+                || REG_NOTE_KIND (*pnote) == REG_INC)
 	      *pnote = XEXP (*pnote, 1);
 	    else
 	      pnote = &XEXP (*pnote, 1);