+/* Header for range information. Operand 0 is the NOTE_INSN_RANGE_START insn.
+ Operand 1 is the NOTE_INSN_RANGE_END insn. Operand 2 is a vector of all of
+ the registers that can be substituted within this range. Operand 3 is the
+ number of calls in the range. Operand 4 is the number of insns in the
+ range. Operand 5 is the unique range number for this range. Operand 6 is
+ the basic block # of the start of the live range. Operand 7 is the basic
+ block # of the end of the live range. Operand 8 is the loop depth. Operand
+ 9 is a bitmap of the registers live at the start of the range. Operand 10
+ is a bitmap of the registers live at the end of the range. Operand 11 is
+ marker number for the start of the range. Operand 12 is the marker number
+ for the end of the range. */
+DEF_RTL_EXPR(RANGE_INFO, "range_info", "uuEiiiiiibbii", 'x')
+
+/* Registers that can be substituted within the range. Operand 0 is the
+ original pseudo register number. Operand 1 will be filled in with the
+ pseudo register the value is copied for the duration of the range. Operand
+ 2 is the number of references within the range to the register. Operand 3
+ is the number of sets or clobbers of the register in the range. Operand 4
+ is the number of deaths the register has. Operand 5 is the copy flags that
+ give the status of whether a copy is needed from the original register to
+ the new register at the beginning of the range, or whether a copy from the
+ new register back to the original at the end of the range. Operand 6 is the
+ live length. Operand 7 is the number of calls that this register is live
+ across. Operand 8 is the symbol node of the variable if the register is a
+ user variable. Operand 9 is the block node that the variable is declared
+ in if the register is a user variable. */
+DEF_RTL_EXPR(RANGE_REG, "range_reg", "iiiiiiiitt", 'x')
+
+/* Information about a local variable's ranges. Operand 0 is an EXPR_LIST of
+ the different ranges a variable is in where it is copied to a different
+ pseudo register. Operand 1 is the block that the variable is declared in.
+ Operand 2 is the number of distinct ranges. */
+DEF_RTL_EXPR(RANGE_VAR, "range_var", "eti", 'x')
+
+/* Information about the registers that are live at the current point. Operand
+ 0 is the live bitmap. Operand 1 is the original block number. */
+DEF_RTL_EXPR(RANGE_LIVE, "range_live", "bi", 'x')
+
+/* A unary `__builtin_constant_p' expression. These are only emitted
+ during RTL generation, and then only if optimize > 0. They are
+ eliminated by the first CSE pass. */
+DEF_RTL_EXPR(CONSTANT_P_RTX, "constant_p_rtx", "e", 'x')
+
+/* A placeholder for a CALL_INSN which may be turned into a normal call,
+ a sibling (tail) call or tail recursion.
+
+ Immediately after RTL generation, this placeholder will be replaced
+ by the insns to perform the call, sibcall or tail recursion.
+
+ This RTX has 4 operands. The first three are lists of instructions to
+ perform the call as a normal call, sibling call and tail recursion
+ respectively. The latter two lists may be NULL, the first may never
+ be NULL.
+
+ The last operand is the tail recursion CODE_LABEL, which may be NULL if no
+ potential tail recursive calls were found.
+
+ The tail recursion label is needed so that we can clear LABEL_PRESERVE_P
+ after we select a call method. */
+DEF_RTL_EXPR(CALL_PLACEHOLDER, "call_placeholder", "uuuu", 'x')
+