/* Register note definitions.
- Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
This file is part of GCC.
/* Used by haifa-sched to save NOTE_INSN notes across scheduling. */
REG_NOTE (SAVE_NOTE)
-/* Indicates that this insn (which is part of the prologue) computes a
- value which might not be used later, and if so it's OK to delete
- the insn. Normally, deleting any insn in the prologue is an error.
- At present the parameter is unused and set to (const_int 0). */
-REG_NOTE (MAYBE_DEAD)
-
/* Indicates that a call does not return. */
REG_NOTE (NORETURN)
/* This kind of note is generated at each to `setjmp', and similar
functions that can return twice. */
REG_NOTE (SETJMP)
+
+/* This kind of note identifies what libcall id an instruction is part of. */
+REG_NOTE (LIBCALL_ID)
+