diff options
Diffstat (limited to 'gcc/rtl.def')
| -rw-r--r-- | gcc/rtl.def | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/gcc/rtl.def b/gcc/rtl.def index 090546b3ebe..bcb5cbcd9b0 100644 --- a/gcc/rtl.def +++ b/gcc/rtl.def @@ -2,7 +2,7 @@ Register Transfer Expressions (rtx's) that make up the Register Transfer Language (rtl) used in the Back End of the GNU compiler. Copyright (C) 1987, 1988, 1992, 1994, 1995, 1997, 1998, 1999, 2000, 2004, - 2005, 2006, 2007, 2008 + 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. This file is part of GCC. @@ -81,6 +81,13 @@ along with GCC; see the file COPYING3. If not see value zero. */ DEF_RTL_EXPR(UNKNOWN, "UnKnown", "*", RTX_EXTRA) +/* Used in the cselib routines to describe a value. Objects of this + kind are only allocated in cselib.c, in an alloc pool instead of in + GC memory. The only operand of a VALUE is a cselib_val_struct. + var-tracking requires this to have a distinct integral value from + DECL codes in trees. */ +DEF_RTL_EXPR(VALUE, "value", "0", RTX_OBJ) + /* --------------------------------------------------------------------- Expressions used in constructing lists. --------------------------------------------------------------------- */ @@ -111,6 +118,9 @@ DEF_RTL_EXPR(ADDRESS, "address", "e", RTX_MATCH) ---------------------------------------------------------------------- */ +/* An annotation for variable assignment tracking. */ +DEF_RTL_EXPR(DEBUG_INSN, "debug_insn", "iuuBieie", RTX_INSN) + /* An instruction that cannot jump. */ DEF_RTL_EXPR(INSN, "insn", "iuuBieie", RTX_INSN) @@ -329,11 +339,6 @@ DEF_RTL_EXPR(CONST, "const", "e", RTX_CONST_OBJ) by a SET whose first operand is (PC). */ DEF_RTL_EXPR(PC, "pc", "", RTX_OBJ) -/* Used in the cselib routines to describe a value. Objects of this - kind are only allocated in cselib.c, in an alloc pool instead of - in GC memory. The only operand of a VALUE is a cselib_val_struct. */ -DEF_RTL_EXPR(VALUE, "value", "0", RTX_OBJ) - /* A register. The "operand" is the register number, accessed with the REGNO macro. If this number is less than FIRST_PSEUDO_REGISTER than a hardware register is being referred to. The second operand |