Remove libcall notes.

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

diff --git a/gcc/reg-notes.def b/gcc/reg-notes.def
index 36891b1..5a5325f 100644 (file)
--- a/gcc/reg-notes.def
+++ b/gcc/reg-notes.def
@@ -5,7 +5,7 @@ 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
@@ -56,18 +55,6 @@ REG_NOTE (EQUIV)
    substitution; but it can be used for cse.  */
 REG_NOTE (EQUAL)
 
-/* This insn copies the return-value of a library call out of the hard
-   reg for return values.  This note is actually an INSN_LIST and it
-   points to the first insn involved in setting up arguments for the
-   call.  flow.c uses this to delete the entire library call when its
-   result is dead.  */
-REG_NOTE (RETVAL)
-
-/* The inverse of REG_RETVAL: it goes on the first insn of the library
-   call and points at the one that has the REG_RETVAL.  This note is
-   also an INSN_LIST.  */
-REG_NOTE (LIBCALL)
-
 /* The register is always nonnegative during the containing loop.
    This is used in branches so that decrement and branch instructions
    terminating on zero can be matched.  There must be an insn pattern
@@ -75,10 +62,6 @@ REG_NOTE (LIBCALL)
    will never be added to any instructions.  */
 REG_NOTE (NONNEG)
 
-/* There is no conflict *after this insn* between the register in the
-   note and the destination of this insn.  */
-REG_NOTE (NO_CONFLICT)
-
 /* Identifies a register set in this insn and never used.  */
 REG_NOTE (UNUSED)
 
@@ -92,10 +75,16 @@ 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
@@ -158,7 +147,3 @@ 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)
-