* config/sh/sh.c (calc_live_regs): Use

[pf3gnuchains/gcc-fork.git] / gcc / reg-notes.def

diff --git a/gcc/reg-notes.def b/gcc/reg-notes.def
index 096b2fb..713bc28 100644 (file)
--- a/gcc/reg-notes.def
+++ b/gcc/reg-notes.def
@@ -1,11 +1,11 @@
 /* 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.
 
 GCC is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
+Software Foundation; either version 3, or (at your option) any later
 version.
 
 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
@@ -14,9 +14,8 @@ FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 for more details.
 
 You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING.  If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA.  */
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
 
 /* This file defines all the codes that may appear on individual
    EXPR_LIST rtxes in the REG_NOTES chain of an insn.  The codes are
@@ -92,10 +91,16 @@ REG_NOTE (UNUSED)
 REG_NOTE (CC_SETTER)
 REG_NOTE (CC_USER)
 
-/* Points to a CODE_LABEL.  Used by non-JUMP_INSNs to say that the
-   CODE_LABEL contained in the REG_LABEL note is used by the insn.
-   This note is an INSN_LIST.  */
-REG_NOTE (LABEL)
+/* Points to a CODE_LABEL.  Used by JUMP_INSNs to say that the CODE_LABEL
+   contained in the REG_LABEL_TARGET note is a possible jump target of
+   this insn.  This note is an INSN_LIST.  */
+REG_NOTE (LABEL_TARGET)
+
+/* Points to a CODE_LABEL.  Used by any insn to say that the CODE_LABEL
+   contained in the REG_LABEL_OPERAND note is used by the insn, but as an
+   operand, not as a jump target (though it may indirectly be a jump
+   target for a later jump insn).  This note is an INSN_LIST.  */
+REG_NOTE (LABEL_OPERAND)
 
 /* REG_DEP_OUTPUT and REG_DEP_ANTI are used in scheduler dependencies lists
    to represent write-after-write and write-after-read dependencies
@@ -143,12 +148,6 @@ REG_NOTE (EH_REGION)
 /* 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)
 
@@ -164,3 +163,7 @@ REG_NOTE (CROSSING_JUMP)
 /* 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)
+