diff options
Diffstat (limited to 'gcc/rtl.h')
| -rw-r--r-- | gcc/rtl.h | 24 |
1 files changed, 16 insertions, 8 deletions
@@ -2723,12 +2723,21 @@ extern void set_insn_deleted (rtx); /* Functions in rtlanal.c */ -/* Single set is implemented as macro for performance reasons. */ -#define single_set(I) (INSN_P (I) \ - ? (GET_CODE (PATTERN (I)) == SET \ - ? PATTERN (I) : single_set_1 (I)) \ - : NULL_RTX) -#define single_set_1(I) single_set_2 (I, PATTERN (I)) +extern rtx single_set_2 (const rtx_insn *, const_rtx); + +/* Handle the cheap and common cases inline for performance. */ + +inline rtx single_set (const rtx_insn *insn) +{ + if (!INSN_P (insn)) + return NULL_RTX; + + if (GET_CODE (PATTERN (insn)) == SET) + return PATTERN (insn); + + /* Defer to the more expensive case. */ + return single_set_2 (insn, PATTERN (insn)); +} extern enum machine_mode get_address_mode (rtx mem); extern int rtx_addr_can_trap_p (const_rtx); @@ -2753,7 +2762,6 @@ extern int modified_between_p (const_rtx, const rtx_insn *, const rtx_insn *); extern int no_labels_between_p (const rtx_insn *, const rtx_insn *); extern int modified_in_p (const_rtx, const_rtx); extern int reg_set_p (const_rtx, const_rtx); -extern rtx single_set_2 (const_rtx, const_rtx); extern int multiple_sets (const_rtx); extern int set_noop_p (const_rtx); extern int noop_move_p (const_rtx); @@ -3372,7 +3380,7 @@ extern void emit_jump (rtx); /* In expr.c */ extern rtx move_by_pieces (rtx, rtx, unsigned HOST_WIDE_INT, unsigned int, int); -extern HOST_WIDE_INT find_args_size_adjust (rtx); +extern HOST_WIDE_INT find_args_size_adjust (rtx_insn *); extern int fixup_args_size_notes (rtx_insn *, rtx_insn *, int); /* In cfgrtl.c */ |