2007-07-13 Daniel Franke <franke.daniel@gmail.com>

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

diff --git a/gcc/reg-notes.def b/gcc/reg-notes.def
index a7df27b..36891b1 100644 (file)
--- a/gcc/reg-notes.def
+++ b/gcc/reg-notes.def
@@ -1,5 +1,5 @@
 /* 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.
 
@@ -15,8 +15,8 @@ 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, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.  */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA.  */
 
 /* 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
@@ -26,10 +26,10 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 /* Shorthand.  */
 #define REG_NOTE(NAME) DEF_REG_NOTE (REG_##NAME)
 
-/* REG_DEP_TRUE is used in LOG_LINKS to represent a read-after-write
-   dependency (i.e. a true data dependency).  This is here, not
-   grouped with REG_DEP_ANTI and REG_DEP_OUTPUT, because some passes
-   use a literal 0 for it.  */
+/* REG_DEP_TRUE is used in scheduler dependencies lists to represent a
+   read-after-write dependency (i.e. a true data dependency).  This is
+   here, not grouped with REG_DEP_ANTI and REG_DEP_OUTPUT, because some
+   passes use a literal 0 for it.  */
 REG_NOTE (DEP_TRUE)
 
 /* The value in REG dies in this insn (i.e., it is not needed past
@@ -97,10 +97,11 @@ REG_NOTE (CC_USER)
    This note is an INSN_LIST.  */
 REG_NOTE (LABEL)
 
-/* REG_DEP_ANTI and REG_DEP_OUTPUT are used in LOG_LINKS to represent
-   write-after-read and write-after-write dependencies respectively.  */
-REG_NOTE (DEP_ANTI)
+/* REG_DEP_OUTPUT and REG_DEP_ANTI are used in scheduler dependencies lists
+   to represent write-after-write and write-after-read dependencies
+   respectively.  */
 REG_NOTE (DEP_OUTPUT)
+REG_NOTE (DEP_ANTI)
 
 /* REG_BR_PROB is attached to JUMP_INSNs and CALL_INSNs.  It has an
    integer value.  For jumps, it is the probability that this is a
@@ -142,12 +143,6 @@ 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)
 
@@ -163,3 +158,7 @@ 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)
+