* target.h (struct gcc_target.sched: dfa_pre_advance_cycle,

	dfa_post_advance_cycle): New scheduler hooks.
	* target-def.h (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
	TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): New macros to initialize
	new hooks.
	(TARGET_SCHED): Use them.
	* doc/tm.texi (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
	TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Document new hooks.
	* haifa-sched.c (advance_one_cycle): Invoke new hooks.

	* genautomata.c (insn_has_dfa_reservation_p): New DFA interface
	function to facilitate debugging.
	(INSN_HAS_DFA_RESERVATION_P_FUNC_NAME): New macro.
	(output_insn_has_dfa_reservation_p): New static function to output
	insn_has_dfa_reservation_p ().
	(write_automata): Use it.
	* genattr.c (main): Output declaration for
	insn_has_dfa_reservation_p ().


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@127707 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 3 insertions, 0 deletions

diff --git a/gcc/genattr.c b/gcc/genattr.c
index 9206abec655..8ff3cd38324 100644
--- a/gcc/genattr.c
+++ b/gcc/genattr.c
@@ -244,6 +244,9 @@ main (int argc, char **argv)
       printf ("   DFA state.  */\n");
       printf ("extern int cpu_unit_reservation_p (state_t, int);\n");
       printf ("#endif\n\n");
+      printf ("/* The following function returns true if insn\n");
+      printf ("   has a dfa reservation.  */\n");
+      printf ("extern bool insn_has_dfa_reservation_p (rtx);\n\n");
       printf ("/* Clean insn code cache.  It should be called if there\n");
       printf ("   is a chance that condition value in a\n");
       printf ("   define_insn_reservation will be changed after\n");