PR optimization/11320
* sched-int.h (struct deps) [reg_conditional_sets]: New field.
(struct sched_info) [compute_jump_reg_dependencies]: New prototype.
* sched-deps.c (sched_analyze_insn) [JUMP_INSN]: Update call to
current_sched_info->compute_jump_reg_dependencies. Record which
registers are used and which registers are set by the jump.
Clear deps->reg_conditional_sets after a barrier.
Set deps->reg_conditional_sets if the insn is a COND_EXEC.
Clear deps->reg_conditional_sets if the insn is not a COND_EXEC.
(init_deps): Initialize reg_conditional_sets.
(free_deps): Clear reg_conditional_sets.
* sched-ebb.c (compute_jump_reg_dependencies): New prototype.
Mark registers live on entry of the fallthrough block and conditionally
set as set by the jump. Mark registers live on entry of non-fallthrough
blocks as used by the jump.
* sched-rgn.c (compute_jump_reg_dependencies): New prototype.
Mark new parameters as unused.
From-SVN: r69401
2003-02-25 Vladimir Makarov <vmakarov@redhat.com>
Richard Henderson <rth@redhat.com>
* sched-int.h (INSN_TRAP_CLASS, WORST_CLASS): Move them from
sched-rgn.c.
(add_forward_dependence): New function prototype.
* sched-rgn.c (INSN_TRAP_CLASS, WORST_CLASS): Move them to
sched-init.h.
(CONST_BASED_ADDRESS_P, may_trap_exp, haifa_classify_insn): Move
them to haifa-sched.c.
* haifa-sched.c (CONST_BASED_ADDRESS_P, may_trap_exp,
haifa_classify_insn): Move them from sched-rgn.c.
* sched-deps.c (add_dependence): Return flag of creating a new
entry.
(add_forward_dependence): New function.
(compute_forward_dependences): Use the function.
* sched-ebb.c (earliest_block_with_similiar_load): New function.
(add_deps_for_risky_insns): New function.
(schedule_ebb): Call the function.
From-SVN: r63415
* sched-int.h (struct deps): New field libcall_block_tail_insn.
* sched_deps.c (init_deps): Initialize libcall_block_tail_insn.
* sched_deps.c (sched_analyze_insn): If libcall_block_tail_insn
is set, then mark the current insn as being part of a libcall
scheduling group.
(sched_analyze): Set and clear libcall_block_tail_insn appropriately.
* haifa-sched.c (schedule_block): Do not count USE or CLOBBER
insns against the issue rate.
From-SVN: r54251
* haifa-sched.c (schedule_insn): Print table of instructions and
reservations.
(sched_block): Do not print ready list at verbosity level 1.
* sched-vis.c (print_insn): Make global.
* sched-ebb.c (ebb_print_insn): Rename from...
(print_insn): ... this one.
* sched-int.h (print_insn): Declare
From-SVN: r53073
* haifa-sched.c (sched_emit_insn): New.
(schedule_block): Use last_scheduled_insn to track last insn.
* sched-int.h (sched_emit_insn): Prototype.
* config/ia64/ia64.c (last_issued): Remove.
(ia64_variable_issue): Don't set it.
(nop_cycles_until): Use sched_emit_insn.
From-SVN: r50153
* sched-deps.c (reg_pending_uses_head): New.
(reg_pending_barrier): Rename from reg_pending_sets_all.
(find_insn_list): Don't mark inline.
(find_insn_mem_list): Remove.
(add_dependence_list, add_dependence_list_and_free): New.
(flush_pending_lists): Replace only_write param with separate
for_read and for_write parameters. Update all callers. Use
add_dependence_list_and_free.
(sched_analyze_1): Do not add reg dependencies here; just set
the pending bits. Use add_dependence_list.
(sched_analyze_2): Likewise.
(sched_analyze_insn): Replace schedule_barrier_found with
reg_pending_barrier. Add all dependencies for pending reg
uses, sets, and clobbers.
(sched_analyze): Don't add reg dependencies for calls, just
set pending bits. Use regs_invalidated_by_call. Treat
sched_before_next_call as a normal list, not a fake insn.
(init_deps): No funny init for sched_before_next_call.
(free_deps): Free pending mems lists. Don't zero reg_last.
(init_deps_global): Init reg_pending_uses.
(finish_deps_global): Free it.
* sched-int.h (deps): Make in_post_call_group_p boolean. Update docs.
(find_insn_mem_list): Remove.
* sched-rgn.c (concat_INSN_LIST, concat_insn_mem_list): New.
(propagate_deps): Use them. Zero temp mem lists.
From-SVN: r49262
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.
From-SVN: r45202
2001-07-26 Andrew MacLeod <amacleod@redhat.com>
* params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
limit length of dependancy flush list.
* params.h (MAX_PENDING_LIST_LENGTH): Define.
* sched-int.h (struct deps): Add pending_flush_length field.
* sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
has 1 element in it.
(sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
(sched_analyze): After a jump, if the pending memory flush list is too
large, flush the pending lists.
(init_deps): Initialize pending_flush_length to 0.
* doc/invoke.texi (max_pending_list_length): Document parameter.
From-SVN: r44398
