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2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
authorvmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 27 Aug 2001 18:13:42 +0000 (18:13 +0000)
committervmakarov <vmakarov@138bc75d-0d04-0410-961f-82ee72b054a4>
Mon, 27 Aug 2001 18:13:42 +0000 (18:13 +0000)
commitef2b93f9585273e7f868f61ce103c1252c5b24ba
tree372ccbbb0fc88e781ecea047646a15f1cd4d2586
parentf34d99dfb4e3255d901cbd0bd62ea13e91358fa5
2001-08-27  Vladimir Makarov  <vmakarov@touchme.toronto.redhat.com>

        * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
RTL constructions.

* genattr.c (main): New variable num_insn_reservations.  Increase
it if there is DEFINE_INSN_RESERVATION.  Output automaton based
pipeline hazard recognizer interface.

* genattrtab.h: New file.

* genattrtab.c: Include genattrtab.h.
(attr_printf, check_attr_test, make_internal_attr,
make_numeric_value): Move protypes into genattrtab.h.  Define them
as external.
(num_dfa_decls): New global variable.
(main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
DEFINE_INSN_RESERVATION.  Call expand_automata and write_automata.

* genautomata.c: New file.

* rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.

        * sched-int.h: (curr_state): Add the external definition for
automaton pipeline interface.
(haifa_insn_data): Add comments for members blockage and units.

* target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
TARGET_SCHED_DFA_PRE_CYCLE_INSN,
TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
TARGET_SCHED_DFA_POST_CYCLE_INSN,
TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
macros.
(TARGET_SCHED): Use the new macros.

* target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
dfa_bubble): New members in gcc_target.sched.

        * haifa-sched.c (insert_schedule_bubbles_p): New variable.
(MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
(insn_queue): Redefine it as pointer to array.
(NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
INSN_QUEUE_SIZE.
(max_insn_queue_index_macro_value): New variable.
(curr_state, dfa_state_size, ready_try): New varaibles for
automaton interface.
(ready_element, ready_remove, max_issue): New function prototypes
for automaton interface.
(choose_ready): New function prototype.
(insn_unit, blockage_range): Add comments.
(unit_last_insn, unit_tick, unit_n_insns): Define them for case
FUNCTION_UNITS_SIZE == 0.
(insn_issue_delay, actual_hazard_this_instance, schedule_unit,
actual_hazard, potential_hazard): Add comments.
(insn_cost): Use cost -1 as undefined value.  Remove
LINK_COST_ZERO and LINK_COST_FREE.  Add new code for automaton
pipeline interface.
(ready_element, ready_remove): New functions for automaton
interface.
(schedule_insn): Add new code for automaton pipeline interface.
(queue_to_ready): Add new code for automaton pipeline interface.
Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
(debug_ready_list): Print newline when the queue is empty.
(max_issue): New function for automaton pipeline interface.
(choose_ready): New function.
(schedule_block): Add new code for automaton pipeline interface.
Print ready list before scheduling each insn.
(sched_init): Add new code for automaton pipeline interface.
Initiate insn cost by -1.
(sched_finish): Free the current automaton state and finalize
automaton pipeline interface.

* sched-rgn.c: Include target.h.
(init_ready_list, new_ready, debug_dependencies): Add new code for
automaton pipeline interface.

* sched-vis.c: Include target.h.
(get_visual_tbl_length): Add code for automaton interface.
(target_units, print_block_visualization):  Add comments.

        * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
(sched-rgn.o, sched-vis.o): Add new dependency file target.h.
(getruntime.o, genautomata.o): New entries.
(genattrtab.o): Add new dependency file genattrtab.h.
(genattrtab): Add new dependencies.  Link it with `libm.a'.
(getruntime.o, hashtab.o): New entries for canadian cross.

* doc/md.texi: Description of automaton based model.

* doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
Add comments.
(TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
TARGET_SCHED_DFA_PRE_CYCLE_INSN,
TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
TARGET_SCHED_DFA_POST_CYCLE_INSN,
TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
hook descriptions.
(TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
MAX_DFA_ISSUE_RATE): New macro descriptions.

* doc/contrib.texi: Add dfa based scheduler contribution.

* doc/gcc.texi: Add more information about genattrtab.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45202 138bc75d-0d04-0410-961f-82ee72b054a4
18 files changed:
gcc/ChangeLog
gcc/Makefile.in
gcc/doc/contrib.texi
gcc/doc/gcc.texi
gcc/doc/md.texi
gcc/doc/tm.texi
gcc/genattr.c
gcc/genattrtab.c
gcc/genattrtab.h [new file with mode: 0644]
gcc/genautomata.c [new file with mode: 0644]
gcc/haifa-sched.c
gcc/rtl.def
gcc/rtl.h
gcc/sched-int.h
gcc/sched-rgn.c
gcc/sched-vis.c
gcc/target-def.h
gcc/target.h