parameter == 0) or removed (second parameter == 1). */
void (*add_remove_insn) (rtx, int);
- /* Called to notify frontend that instruction is being scheduled.
- The first parameter - instruction to scheduled, the second parameter -
- last scheduled instruction. */
- void (*begin_schedule_ready) (rtx, rtx);
+ /* Called to notify the frontend that instruction INSN is being
+ scheduled. */
+ void (*begin_schedule_ready) (rtx insn);
+
+ /* Called to notify the frontend that an instruction INSN is about to be
+ moved to its correct place in the final schedule. This is done for all
+ insns in order of the schedule. LAST indicates the last scheduled
+ instruction. */
+ void (*begin_move_insn) (rtx insn, rtx last);
/* If the second parameter is not NULL, return nonnull value, if the
basic block should be advanced.
extern void finish_deps_global (void);
extern void deps_analyze_insn (struct deps_desc *, rtx);
extern void remove_from_deps (struct deps_desc *, rtx);
+extern void init_insn_reg_pressure_info (rtx);
extern dw_t get_dep_weak_1 (ds_t, ds_t);
extern dw_t get_dep_weak (ds_t, ds_t);