diff options
Diffstat (limited to 'gcc/rtl.h')
| -rw-r--r-- | gcc/rtl.h | 36 |
1 files changed, 36 insertions, 0 deletions
@@ -402,6 +402,28 @@ struct GTY((desc("0"), tag("0"), } GTY ((special ("rtx_def"), desc ("GET_CODE (&%0)"))) u; }; +/* A node for constructing singly-linked lists of rtx. */ + +class GTY(()) rtx_expr_list : public rtx_def +{ + /* No extra fields, but adds invariant: (GET_CODE (X) == EXPR_LIST). */ + +public: + /* Get next in list. */ + rtx_expr_list *next () const; + + /* Get at the underlying rtx. */ + rtx element () const; +}; + +template <> +template <> +inline bool +is_a_helper <rtx_expr_list *>::test (rtx rt) +{ + return rt->code == EXPR_LIST; +} + class GTY(()) rtx_insn_list : public rtx_def { /* No extra fields, but adds invariant: (GET_CODE (X) == INSN_LIST). @@ -1233,6 +1255,19 @@ extern void rtl_check_failed_flag (const char *, const_rtx, const char *, #define XC2EXP(RTX, N, C1, C2) (RTL_CHECKC2 (RTX, N, C1, C2).rt_rtx) +/* Methods of rtx_expr_list. */ + +inline rtx_expr_list *rtx_expr_list::next () const +{ + rtx tmp = XEXP (this, 1); + return safe_as_a <rtx_expr_list *> (tmp); +} + +inline rtx rtx_expr_list::element () const +{ + return XEXP (this, 0); +} + /* Methods of rtx_insn_list. */ inline rtx_insn_list *rtx_insn_list::next () const @@ -3048,6 +3083,7 @@ get_mem_attrs (const_rtx x) generation functions included above do the raw handling. If you add to this list, modify special_rtx in gengenrtl.c as well. */ +extern rtx_expr_list *gen_rtx_EXPR_LIST (enum machine_mode, rtx, rtx); extern rtx_insn_list *gen_rtx_INSN_LIST (enum machine_mode, rtx, rtx); extern rtx gen_rtx_CONST_INT (enum machine_mode, HOST_WIDE_INT); extern rtx gen_rtx_CONST_VECTOR (enum machine_mode, rtvec); |