* combine.c (try_widen_shift_mode): Factor out code to check if an
integer constant is a low-order bitmask from here ...
* rtlanal.c (low_bitmask_len): ... to here.
* rtl.h (low_bitmask_len): Declare.
From-SVN: r150656
2009-07-25 David Daney <ddaney@caviumnetworks.com>
PR rtl-optimization/40445
* emit-rtl.c (next_nonnote_insn_bb): New function.
* rtl.h (next_nonnote_insn_bb): Declare new function.
* cfgcleanup.c (try_optimize_cfg): Don't remove an empty block
with no successors that is the successor of the ENTRY_BLOCK.
Continue from the top after removing an empty fallthrough block.
* cfgrtl.c (get_last_bb_insn): Call next_nonnote_insn_bb instead
of next_nonnote_insn.
2009-07-25 David Daney <ddaney@caviumnetworks.com>
PR rtl-optimization/40445
* g++.dg/other/builtin-unreachable-1.C: New testcase.
From-SVN: r150090
* gcse.c (ae_gen): Remove.
(can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
and make non-static function to make it available in store-motion.c.
Update call sites with search-and-replace.
(enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
extract_mentioned_regs, extract_mentioned_regs_helper,
find_moveable_store, compute_store_table, load_kills_store, find_loads,
store_killed_in_insn, store_killed_after, store_killed_before,
build_store_vectors, insert_insn_start_basic_block, insert-store,
remove_reachable_equiv_notes, replace_store_insn, delete_store,
free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
execute_rtl_store_motion, pass_rtl_store_motion): Move to...
* store-motion.c: ...new file. Also copy data structures from gcse.c
and clean up to remove parts not used by store motion.
* rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
* Makefile.in (store-motion.o): New rule. Add to OBJS-common.
From-SVN: r147001
gcc/:
* combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
(record_dead_and_set_regs): Likewise.
* df.h (struct df_mw_hardreg): Change flags field to int.
(struct df_base_ref): Likewise.
(struct df): Change changeable_flags field to int.
* df-scan.c (df_defs_record): Change clobber_flags to int.
* dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
constants rather than #define macros.
(enum dwarf_attribute, enum dwarf_location_atom): Likewise.
(enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
(enum dwarf_calling_convention): Likewise.
(enum dwarf_line_number_x_ops): Likewise.
(enum dwarf_call_frame_info): Likewise.
(enum dwarf_source_language): Likewise.
* dwarf2out.c (int_loc_descriptor): Add cast to enum type.
(add_calling_convention_attribute): Likewise.
* fold-const.c (fold_undefer_overflow_warnings): Add cast to enum
type.
(combine_comparisons): Change compcode to int. Add cast to enum
type.
* genrecog.c (maybe_both_true_2): Change c to int.
(write_switch): Likewise. Add cast to enum type.
* gimplify.c (gimplify_omp_for): Handle return values from
gimplify_expr using MIN rather than bitwise or.
(gimplify_expr): Add cast to enum type.
* ipa-prop.c (update_jump_functions_after_inlining): Change
IPA_BOTTOM to IPA_JF_UNKNOWN.
* ira.c (setup_class_subset_and_memory_move_costs): Change mode to
int. Add casts to enum type.
(setup_cover_and_important_classes): Change cl to int. Add casts
to enum type.
(setup_class_translate): Change cl and mode to int.
(ira_init_once): Change mode to int.
(free_register_move_costs): Likewise.
(setup_prohibited_mode_move_regs): Add casts to enum type.
* langhooks.c (add_builtin_function_common): Rework assertion that
value fits bitfield.
* mcf.c (add_fixup_edge): Change type parameter to edge_type.
* omega.c (omega_do_elimination): Avoid math on enum types.
* optabs.c (expand_vec_shift_expr): Remove casts to int.
* opts.c (set_debug_level): Change 2 to enum constant. Use new
int local to handle integral_argment value.
* regmove.c (try_auto_increment): Change PUT_MODE to
PUT_REG_NOTE_KIND.
* reload.c (push_secondary_reload): Add casts to enum type.
(secondary_reload_class, find_valid_class): Likewise.
* reload1.c (emit_input_reload_insns): Likewise.
* rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
* sel-sched.c (init_hard_regs_data): Change cur_mode to int.
* sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
constant.
* tree.c (build_common_builtin_nodes): Add casts to enum type.
* tree-complex.c (complex_lattice_t): Typedef to int rather than
enum type.
(expand_complex_libcall): Add casts to enum type.
* tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
* tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
with ERROR_MARK, not NUM_TREE_CODES.
(vect_create_epilog_for_reduction): Likewise.
(vectorizable_reduction): Don't initialize epiloc_reduc_code.
When not using it, set it to ERROR_MARK rather than
NUM_TREE_CODES.
* tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
enum machine_mode.
* tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
vect_unused_in_loop. Change 0 to loop_vect.
* tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum
type.
* var-tracking.c (get_init_value): Change return type to enum
var_init_status.
* vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
* config/arm/arm.c (fp_model_for_fpu): Change to array to enum
arm_fp_model.
(arm_override_options): Add casts to enum type.
(arm_emit_tls_decoration): Likewise.
* config/i386/i386.c (ix86_function_specific_restore): Add casts
to enum type.
* config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
* config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
* config/rs6000/rs6000.c (rs6000_override_options): Add casts to
enum type.
* config/s390/s390.c (code_for_builtin_64): Change to array of
enum insn_code.
(code_for_builtin_31): Likewise.
(s390_expand_builtin): Change code_for_builtin to enum insn_code
const *.
* config/sparc/sparc.c (sparc_override_options): Change value
field in struct code_model to enum cmodel. In initializer change
0 to NULL and add cast to enum type.
* c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
Change all callers. Issue a -Wc++-compat warning using
lhs_origtype if necessary.
(convert_for_assignment): Issue -Wc++-compat warnings about
invalid conversions to enum type on assignment.
* c-common.h (build_modify_expr): Update declaration.
gcc/cp/:
* call.c (build_temp): Change 0 to enum constant.
* cp-tree.h (cp_lvalue_kind): Typedef to int rather than enum
type.
* cp-gimplify.c (cp_gimplify_expr): Add cast to enum type.
* decl2.c (constrain_visibility): Likewise.
* parser.c (cp_lexer_get_preprocessor_token): Likewise.
(cp_parser_flags): Typedef to int rather than enum type.
(cp_parser_expression_stack_entry): Change prec field to enum
cp_parser_prec.
* typeck.c (build_modify_expr): Add lhs_origtype parameter.
Change all callers.
gcc/fortran/:
* gfortran.h (enum gfc_symbol_type): New named enum type, broken
out of struct gfc_symbol.
(struct gfc_symbol): Use enum gfc_symbol_type.
(enum gfc_array_ref_dimen_type): New named enum type, broken out
of struct gfc_array_ref).
(struct gfc_array_ref): Use enum gfc_array_ref_dimen_type.
(mod_pointee_as): Update declaration.
* decl.c (add_global_entry): Change type to enum gfc_symbol_type.
(gfc_mod_pointee_as): Change return type to "match".
* module.c (mio_array_ref): Add cast to enum type.
(mio_symbol): Likewise.
* resolve.c (resolve_global_procedure): Change type to enum
gfc_symbol_type.
* trans-io.c (gfc_build_st_parameter): Change type to unsigned
int.
gcc/java/:
* jcf-parse.c (handle_constant): Add cast to enum type.
gcc/objc/:
* objc-act.c (get_super_receiver): Update calls to
build_modify_expr to pass new argument.
gcc/testsuite/:
* gcc.dg/Wcxx-compat-4.c: New testcase.
From-SVN: r146735
2008-10-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
Kaushal Kantawala <Kaushal_Kantawala@playstation.sony.com>
Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
Grace Cao <grace_cao@playstation.sony.com>
* doc/invoke.texi (-mgen-cell-microcode): Document.
(-mwarn-cell-microcode): Document.
* cfglayout.c (locator_location): Export.
* rtl.h (locator_location): Define prototype.
* config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand): New predicate.
* rs6000/rs6000-protos.h (rs6000_final_prescan_insn): Define prototype.
* config/rs6000/rs6000.opt (mgen-cell-microcode): New option.
(mwarn-cell-microcode): New option.
* rs6000/rs6000.c (rs6000_cell_dont_microcode): Delete unused variable.
(rs6000_override_options): Set rs6000_gen_cell_microcode if tuning for
cell and not already set.
Turn off string instructions if not generating cell microcode.
(rs6000_final_prescan_insn): New function that warns about microcoded
instructions.
* config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Define.
* config/rs6000/rs6000.md
Replace cc_reg_not_cr0_operand with cc_reg_not_micro_cr0_operand if
the instruction would have been microcoded on the Cell.
Set cell_micro to always on unnamed patterns for the string instructions.
(cell_micro): Update definition, remove load/store conditional microcoded.
(sign_extend:DI): Define new pattern for non microcoded version.
(sign_extend:SI): Likewise.
(compare (div:P)): Set cell_micro to not.
(andsi3): Define as an expand.
(andsi3_mc): New pattern.
(andsi3_nomc): New pattern.
(andsi3_internal0_nomc): New pattern.
(andsi3_internal2): Rename to ...
(andsi3_internal2_mc): this and enable iff generating microcode.
(andsi3_internal3): Rename to ...
(andsi3_internal3_mc): this and enable iff generating microcode.
(andsi3_internal4): Enable iif generating microcode.
(andsi3_internal5): Rename to ..
(andsi3_internal5_mc): this and enable iff generating microcode.
(andsi3_internal5_nomc): New pattern.
(extzvdi_internal1): Enable iff generating microcode.
(extzvdi_internal2): Likewise.
(rotlsi3_internal7): Set cell_micro to always if non immediate form.
(anddi3): Change to expand.
(anddi3_mc): Rename from anddi3.
(anddi3_no_mc): New pattern.
(anddi3_internal2): Rename to ..
(anddi3_internal2_mc): this and enable iff generating microcode.
(anddi3_internal2_nomc): New pattern.
(anddi3_internal3): Rename to ..
(anddi3_internal3_mc): this and enable iff generating microcode.
(anddi3_internal3_nomc): New pattern.
(movti_string): Set cell_micro to always if TARGET_STRING.
(stmsi8): Set cell_micro to always.
(stmsi7): Likewise.
(stmsi6): Likewise.
(stmsi5): Likewise.
(stmsi4): Likewise.
(stmsi3): Likewise.
(stmsi8_power): Likewise.
(stmsi7_power): Likewise.
(stmsi6_power): Likewise.
(stmsi5_power): Likewise.
(stmsi4_power): Likewise.
(stmsi3_power): Likewise.
(movsi_update2): Enable iff generating microcode.
(movhi_update3): Likewise.
(lmw): Set cell_micro to always.
Co-Authored-By: Grace Cao <grace_cao@playstation.sony.com>
Co-Authored-By: Kaushal Kantawala <Kaushal_Kantawala@playstation.sony.com>
Co-Authored-By: Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
From-SVN: r141094
* rtl.h (locator_eq): New decl.
* cfglayout.c (locator_scope): New function.
(insn_scope): Use it.
(locator_eq): New function.
(fixup_reorder_chain): Search for last insn in src bb
that has locator set or first insn in dest bb. Use
locator_eq instead of == to compare locators.
* cfgrtl.c (cfg_layout_merge_blocks): Likewise.
* cfgcleanup.c (try_forward_edges): Use locator_eq instead of
== to compare locators.
From-SVN: r141009
./: * rtl.h (LABEL_REF_NONLOCAL_P): Don't check for REG_LABEL_OPERAND
or REG_LABEL_TARGET.
* calls.c (emit_library_call_value_1): Use MEM_P rather than
comparing MODE with MEM.
* gimple.c (gimple_build_predict): Cast END_PREDICTORS before
comparing with GF_PREDICT_TAKEN.
(gimple_get_lhs): Change code to enum gimple_code.
(gimple_set_lhs): Likewise.
* ifcvt.c (noce_process_if_block): Correct GET_MODE to GET_CODE.
* omp-low.c (find_omp_clause): Change kind parameter to enum
omp_clause_code.
* tree-flow.h (find_omp_clause): Update declaration.
* regrename.c (clear_dead_regs): Change kind parameter to enum
reg_note.
* reload1.c (eliminate_regs_1): Use REG_NOTE_KIND rather than
GET_MODE.
* see.c (see_get_extension_data): Change return type to enum
entry_type. Change UNKNOWN to NOT_RELEVANT, SIGN_EXTEND to
SIGNED_EXTENDED_DEF, ZERO_EXTEND to ZERO_EXTENDED_DEF.
(see_gen_normalized_extension): Change extension_code parameter to
enum entry_type.
(see_seek_pre_extension_expr): Change extension_code to enum
entry_type.
(see_merge_one_def_extension): Likewise.
(see_handle_relevant_defs): Likewise.
(see_handle_relevant_uses): Likewise.
(see_analyze_one_def): Likewise.
* tree-cfg.c (need_fake_edge_p): Compare gimple code with
GIMPLE_ASM rather than ASM_EXPR.
* tree-ssa-alias.c (is_escape_site): Compare gimple code with
GIMPLE_RETURN rather than RETURN_EXPR.
* tree-ssa-ccp.c (likely_value): Change code to enum gimple_code.
(evaluate_stmt): Likewise.
* tree-vect-analyze.c (vect_analyze_operations): Change relevance
to enum vect_relevant.
(vect_mark_stmts_to_be_vectorized): Change assertion to not
compare gimple codes with tree codes.
cp/:
* parser.c (check_no_duplicate_clause): Change code parameter to
enum omp_clause_code.
fortran/:
* symbol.c (generate_isocbinding_symbol): Compare
gfc_notification_std with ERROR rather than FAILURE.
* resolve.c (check_assumed_size_reference): Compare array type
with AR_FULL rather than DIMEN_ELEMENT.
(resolve_actual_arglist): Compare with EXPR_VARIABLE rather than
FL_VARIABLE.
From-SVN: r139991
2008-08-31 Andrey Belevantsev <abel@ispras.ru>
Dmitry Melnik <dm@ispras.ru>
Dmitry Zhurikhin <zhur@ispras.ru>
Alexander Monakov <amonakov@ispras.ru>
Maxim Kuvyrkov <maxim@codesourcery.com>
* sel-sched.h, sel-sched-dump.h, sel-sched-ir.h, sel-sched.c,
sel-sched-dump.c, sel-sched-ir.c: New files.
* Makefile.in (OBJS-common): Add selective scheduling object
files.
(sel-sched.o, sel-sched-dump.o, sel-sched-ir.o): New entries.
(SEL_SCHED_IR_H, SEL_SCHED_DUMP_H): New entries.
(sched-vis.o): Add dependency on $(INSN_ATTR_H).
* cfghooks.h (get_cfg_hooks, set_cfg_hooks): New prototypes.
* cfghooks.c (get_cfg_hooks, set_cfg_hooks): New functions.
(make_forwarder_block): Update loop latch if we have redirected
the loop latch edge.
* cfgloop.c (get_loop_body_in_custom_order): New function.
* cfgloop.h (LOOPS_HAVE_FALLTHRU_PREHEADERS): New enum field.
(CP_FALLTHRU_PREHEADERS): Likewise.
(get_loop_body_in_custom_order): Declare.
* cfgloopmanip.c (has_preds_from_loop): New.
(create_preheader): Honor CP_FALLTHRU_PREHEADERS.
Assert that the preheader edge will be fall thru when it is set.
* common.opt (fsel-sched-bookkeeping, fsel-sched-pipelining,
fsel-sched-pipelining-outer-loops, fsel-sched-renaming,
fsel-sched-substitution, fselective-scheduling): New flags.
* cse.c (hash_rtx_cb): New.
(hash_rtx): Use it.
* dbgcnt.def (sel_sched_cnt, sel_sched_region_cnt,
sel_sched_insn_cnt): New counters.
* final.c (compute_alignments): Export. Free dominance info after loop_optimizer_finalize.
* genattr.c (main): Output maximal_insn_latency prototype.
* genautomata.c (output_default_latencies): New. Factor its code from ...
(output_internal_insn_latency_func): ... here.
(output_internal_maximal_insn_latency_func): New.
(output_maximal_insn_latency_func): New.
* hard-reg-set.h (UHOST_BITS_PER_WIDE_INT): Define unconditionally.
(struct hard_reg_set_iterator): New.
(hard_reg_set_iter_init, hard_reg_set_iter_set,
hard_reg_set_iter_next): New functions.
(EXECUTE_IF_SET_IN_HARD_REG_SET): New macro.
* lists.c (remove_free_INSN_LIST_node,
remove_free_EXPR_LIST_node): New functions.
* loop-init.c (loop_optimizer_init): When LOOPS_HAVE_FALLTHRU_PREHEADERS,
set CP_FALLTHRU_PREHEADERS when calling create_preheaders.
(loop_optimizer_finalize): Do not verify flow info after reload.
* recog.c (validate_replace_rtx_1): New parameter simplify.
Default it to true. Update all uses. Factor out simplifying
code to ...
(simplify_while_replacing): ... this new function.
(validate_replace_rtx_part,
validate_replace_rtx_part_nosimplify): New.
* recog.h (validate_replace_rtx_part,
validate_replace_rtx_part_nosimplify): Declare.
* rtl.c (rtx_equal_p_cb): New.
(rtx_equal_p): Use it.
* rtl.h (rtx_equal_p_cb, hash_rtx_cb): Declare.
(remove_free_INSN_LIST_NODE, remove_free_EXPR_LIST_node,
debug_bb_n_slim, debug_bb_slim, print_rtl_slim): Likewise.
* vecprim.h: Add a vector type for unsigned int.
* haifa-sched.c: Include vecprim.h and cfgloop.h.
(issue_rate, sched_verbose_param, note_list, dfa_state_size,
ready_try, cycle_issued_insns, spec_info): Make global.
(readyp): Initialize.
(dfa_lookahead): New global variable.
(old_max_uid, old_last_basic_block): Remove.
(h_i_d): Make it a vector.
(INSN_TICK, INTER_TICK, QUEUE_INDEX, INSN_COST): Make them work
through HID macro.
(after_recovery, adding_bb_to_current_region_p):
New variables to handle correct insertion of the recovery code.
(struct ready_list): Move declaration to sched-int.h.
(rgn_n_insns): Removed.
(rtx_vec_t): Move to sched-int.h.
(find_insn_reg_weight): Remove.
(find_insn_reg_weight1): Rename to find_insn_reg_weight.
(haifa_init_h_i_d, haifa_finish_h_i_d):
New functions to initialize / finalize haifa instruction data.
(extend_h_i_d, init_h_i_d): Rewrite.
(unlink_other_notes): Move logic to add_to_note_list. Handle
selective scheduler.
(ready_lastpos, ready_element, ready_sort, reemit_notes,
find_fallthru_edge): Make global, remove static prototypes.
(max_issue): Make global. Add privileged_n and state parameters. Use
them.
(extend_global, extend_all): Removed.
(init_before_recovery): Add new param. Fix the handling of the case
when we insert a recovery code before the EXIT which has a predecessor
with a fallthrough edge to it.
(create_recovery_block): Make global. Rename to
sched_create_recovery_block. Update.
(change_pattern): Rename to sched_change_pattern. Make global.
(speculate_insn): Rename to sched_speculate_insn. Make global.
Split haifa-specific functionality into ...
(haifa_change_pattern): New static function.
(sched_extend_bb): New static function.
(sched_init_bbs): New function.
(current_sched_info): Change type to struct haifa_sched_info.
(insn_cost): Adjust for selective scheduling.
(dep_cost_1): New function. Move logic from ...
(dep_cost): ... here.
(dep_cost): Use dep_cost_1.
(contributes_to_priority_p): Use sched_deps_info instead of
current_sched_info.
(priority): Adjust to work with selective scheduling. Process the
corner case when all dependencies don't contribute to priority.
(rank_for_schedule): Use ds_weak instead of dep_weak.
(advance_state): New function. Move logic from ...
(advance_one_cycle): ... here.
(add_to_note_list, concat_note_lists): New functions.
(rm_other_notes): Make static. Adjust for selective scheduling.
(remove_notes, restore_other_notes): New functions.
(move_insn): Add two arguments. Update assert. Don't call
reemit_notes.
(choose_ready): Remove lookahead variable, use dfa_lookahead.
Remove more_issue, max_points. Move the code to initialize
max_lookahead_tries to max_issue.
(schedule_block): Remove rgn_n_insns1 parameter. Don't allocate
ready. Adjust use of move_insn. Call restore_other_notes.
(luid): Remove.
(sched_init, sched_finish): Move Haifa-specific initialization/
finalization to ...
(haifa_sched_init, haifa_sched_finish): ... respectively.
New functions.
(setup_sched_dump): New function.
(haifa_init_only_bb): New static function.
(haifa_speculate_insn): New static function.
(try_ready): Use haifa_* instead of speculate_insn and
change_pattern.
(extend_ready, extend_all): Remove.
(sched_extend_ready_list, sched_finish_ready_list): New functions.
(create_check_block_twin, add_to_speculative_block): Use
haifa_insns_init instead of extend_global. Update to use new
initialization functions. Change parameter. Factor out code from
create_check_block_twin to ...
(sched_create_recovery_edges) ... this new function.
(add_block): Remove.
(sched_scan_info): New.
(extend_bb): Use sched_scan_info.
(init_bb, extend_insn, init_insn, init_insns_in_bb, sched_scan): New
static functions for walking through scheduling region.
(sched_luids): New vector variable to replace uid_to_luid.
(luids_extend_insn): New function.
(sched_max_luid): New variable.
(luids_init_insn): New function.
(sched_init_luids, sched_finish_luids): New functions.
(insn_luid): New debug function.
(sched_extend_target): New function.
(haifa_init_insn): New static function.
(sched_init_only_bb): New hook.
(sched_split_block): New hook.
(sched_split_block_1): New function.
(sched_create_empty_bb): New hook.
(sched_create_empty_bb_1): New function.
(common_sched_info, ready): New global variables.
(current_sched_info_var): Remove.
(move_block_after_check): Use common_sched_info.
(haifa_luid_for_non_insn): New static function.
(init_before_recovery): Use haifa_init_only_bb instead of
add_block.
(increase_insn_priority): New.
* modulo-sched.c: (issue_rate): Remove static declaration.
(sms_sched_info): Change type to haifa_sched_info.
(sms_sched_deps_info, sms_common_sched_info): New variables.
(setup_sched_infos): New.
(sms_schedule): Initialize them. Call haifa_sched_init/finish.
Do not call regstat_free_calls_crossed.
(sms_print_insn): Use const_rtx.
* params.def (PARAM_MAX_PIPELINE_REGION_BLOCKS,
PARAM_MAX_PIPELINE_REGION_INSNS, PARAM_SELSCHED_MAX_LOOKAHEAD,
PARAM_SELSCHED_MAX_SCHED_TIMES, PARAM_SELSCHED_INSNS_TO_RENAME,
PARAM_SCHED_MEM_TRUE_DEP_COST): New.
* sched-deps.c (sched_deps_info): New. Update all relevant uses of
current_sched_info to use it.
(enum reg_pending_barrier_mode): Move to sched-int.h.
(h_d_i_d): New variable. Initialize to NULL.
({true, output, anti, spec, forward}_dependency_cache): Initialize
to NULL.
(estimate_dep_weak): Remove static declaration.
(sched_has_condition_p): New function. Adjust users of
sched_get_condition to use it instead.
(conditions_mutex_p): Add arguments indicating which conditions are
reversed. Use them.
(sched_get_condition_with_rev): Rename from sched_get_condition. Add
argument to indicate whether returned condition is reversed. Do not
generate new rtx when condition should be reversed; indicate it by
setting new argument instead.
(add_dependence_list_and_free): Add deps parameter.
Update all users. Do not free dependence list when
deps context is readonly.
(add_insn_mem_dependence, flush_pending_lists): Adjust for readonly
contexts.
(remove_from_dependence_list, remove_from_both_dependence_lists): New.
(remove_from_deps): New. Use the above functions.
(cur_insn, can_start_lhs_rhs_p): New static variables.
(add_or_update_back_dep_1): Initialize present_dep_type.
(haifa_start_insn, haifa_finish_insn, haifa_note_reg_set,
haifa_note_reg_clobber, haifa_note_reg_use, haifa_note_mem_dep,
haifa_note_dep): New functions implementing dependence hooks for
the Haifa scheduler.
(note_reg_use, note_reg_set, note_reg_clobber, note_mem_dep,
note_dep): New functions.
(ds_to_dt, extend_deps_reg_info, maybe_extend_reg_info_p): New
functions.
(init_deps): Initialize last_reg_pending_barrier and deps->readonly.
(free_deps): Initialize deps->reg_last.
(sched_analyze_reg, sched_analyze_1, sched_analyze_2,
sched_analyze_insn): Update to use dependency hooks infrastructure
and readonly contexts.
(deps_analyze_insn): New function. Move part of logic from ...
(sched_analyze): ... here. Also move some logic to ...
(deps_start_bb): ... here. New function.
(add_forw_dep, delete_forw_dep): Guard use of INSN_DEP_COUNT with
sel_sched_p.
(sched_deps_init): New function. Move code from ...
(init_dependency_caches): ... here. Remove.
(init_deps_data_vector): New.
(sched_deps_finish): New function. Move code from ...
(free_dependency_caches): ... here. Remove.
(init_deps_global, finish_deps_global): Adjust for use with
selective scheduling.
(get_dep_weak): Move logic to ...
(get_dep_weak_1): New function.
(ds_merge): Move logic to ...
(ds_merge_1): New static function.
(ds_full_merge, ds_max_merge, ds_get_speculation_types): New functions.
(ds_get_max_dep_weak): New function.
* sched-ebb.c (sched_n_insns): Rename to sched_rgn_n_insns.
(n_insns): Rename to rgn_n_insns.
(debug_ebb_dependencies): New function.
(init_ready_list): Use it.
(begin_schedule_ready): Use sched_init_only_bb.
(ebb_print_insn): Indicate when an insn starts a new cycle.
(contributes_to_priority, compute_jump_reg_dependencies,
add_remove_insn, fix_recovery_cfg): Add ebb_ prefix to function names.
(add_block1): Remove to ebb_add_block.
(ebb_sched_deps_info, ebb_common_sched_info): New variables.
(schedule_ebb): Initialize them. Use remove_notes instead of
rm_other_notes. Use haifa_local_init/finish.
(schedule_ebbs): Use haifa_sched_init/finish.
* sched-int.h: Include vecprim.h, remove rtl.h.
(struct ready_list): Delete declaration.
(sched_verbose_param, enum sched_pass_id_t,
bb_vec_t, insn_vec_t, rtx_vec_t): New.
(struct sched_scan_info_def): New structure.
(sched_scan_info, sched_scan, sched_init_bbs,
sched_init_luids, sched_finish_luids, sched_extend_target,
haifa_init_h_i_d, haifa_finish_h_i_d): Declare.
(struct common_sched_info_def): New.
(common_sched_info, haifa_common_sched_info,
sched_emulate_haifa_p): Declare.
(sel_sched_p): New.
(sched_luids): Declare.
(INSN_LUID, LUID_BY_UID, SET_INSN_LUID): Declare.
(sched_max_luid, insn_luid): Declare.
(note_list, remove_notes, restore_other_notes, bb_note): Declare.
(sched_insns_init, sched_insns_finish, xrecalloc, reemit_notes,
print_insn, print_pattern, print_value, haifa_classify_insn,
sel_find_rgns, sel_mark_hard_insn, dfa_state_size, advance_state,
setup_sched_dump, sched_init, sched_finish,
sel_insn_is_speculation_check): Export.
(struct ready_list): Move from haifa-sched.c.
(ready_try, ready, max_issue): Export.
(ebb_compute_jump_reg_dependencies, find_fallthru_edge,
sched_init_only_bb, sched_split_block, sched_split_block_1,
sched_create_empty_bb, sched_create_empty_bb_1,
sched_create_recovery_block, sched_create_recovery_edges): Export.
(enum reg_pending_barrier_mode): Export.
(struct deps): New fields `last_reg_pending_barrier' and `readonly'.
(deps_t): New.
(struct sched_info): Rename to haifa_sched_info. Use const_rtx for
print_insn field. Move add_block and fix_recovery_cfg to
common_sched_info_def. Move compute_jump_reg_dependencies, use_cselib ...
(struct sched_deps_info_def): ... this new structure.
(sched_deps_info): Declare.
(struct spec_info_def): Remove weakness_cutoff, add
data_weakness_cutoff and control_weakness_cutoff.
(spec_info): Declare.
(struct _haifa_deps_insn_data): Split from haifa_insn_data. Add
dep_count field.
(struct haifa_insn_data): Rename to struct _haifa_insn_data.
(haifa_insn_data_def, haifa_insn_data_t): New typedefs.
(current_sched_info): Change type to struct haifa_sched_info.
(haifa_deps_insn_data_def, haifa_deps_insn_data_t): New typedefs.
(h_d_i_d): New variable.
(HDID): New accessor macro.
(h_i_d): Change type to VEC (haifa_insn_data_def, heap) *.
(HID): New accessor macro. Rewrite h_i_d accessor macros through HID
and HDID.
(IS_SPECULATION_CHECK_P): Update for selective scheduler.
(enum SCHED_FLAGS): Update for selective scheduler.
(enum SPEC_SCHED_FLAGS): New flag SEL_SCHED_SPEC_DONT_CHECK_CONTROL.
(init_dependency_caches, free_dependency_caches): Delete declarations.
(deps_analyze_insn, remove_from_deps, get_dep_weak_1,
estimate_dep_weak, ds_full_merge, ds_max_merge, ds_weak,
ds_get_speculation_types, ds_get_max_dep_weak, sched_deps_init,
sched_deps_finish, haifa_note_reg_set, haifa_note_reg_use,
haifa_note_reg_clobber, maybe_extend_reg_info_p, deps_start_bb,
ds_to_dt): Export.
(rm_other_notes): Delete declaration.
(schedule_block): Remove one argument.
(cycle_issued_insns, issue_rate, dfa_lookahead, ready_sort,
ready_element, ready_lastpos, sched_extend_ready_list,
sched_finish_ready_list, sched_change_pattern, sched_speculate_insn,
concat_note_lists): Export.
(struct region): Move from sched-rgn.h.
(nr_regions, rgn_table, rgn_bb_table, block_to_bb, containing_rgn,
RGN_NR_BLOCKS, RGN_BLOCKS, RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB,
BLOCK_TO_BB, CONTAINING_RGN): Export.
(ebb_head, BB_TO_BLOCK, EBB_FIRST_BB, EBB_LAST_BB, INSN_BB): Likewise.
(current_nr_blocks, current_blocks, target_bb): Likewise.
(dep_cost_1, sched_is_disabled_for_current_region_p, sched_rgn_init,
sched_rgn_finish, rgn_setup_region, sched_rgn_compute_dependencies,
sched_rgn_local_init, extend_regions,
rgn_make_new_region_out_of_new_block, compute_priorities,
debug_rgn_dependencies, free_rgn_deps, contributes_to_priority,
extend_rgns, deps_join rgn_setup_common_sched_info,
rgn_setup_sched_infos, debug_regions, debug_region, dump_region_dot,
dump_region_dot_file, haifa_sched_init, haifa_sched_finish): Export.
(get_rgn_sched_max_insns_priority, sel_add_to_insn_priority,
increase_insn_priority): Likewise.
* sched-rgn.c: Include sel-sched.h.
(ref_counts): New static variable. Use it ...
(INSN_REF_COUNT): ... here. Rewrite and move closer to uses.
(FED_BY_SPEC_LOAD, IS_LOAD_INSN): Rewrite to use HID accessor macro.
(sched_is_disabled_for_current_region_p): Delete static declaration.
(struct region): Move to sched-int.h.
(nr_regions, rgn_table, rgn_bb_table, block_to_bb, containing_rgn,
ebb_head): Define and initialize.
(RGN_NR_BLOCKS, RGN_BLOCKS, RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB,
BLOCK_TO_BB, CONTAINING_RGN, debug_regions, extend_regions,
BB_TO_BLOCK, EBB_FIRST_BB, EBB_LAST_BB): Move to
sched-int.h.
(find_single_block_region): Add new argument to indicate that EBB
regions should be constructed.
(debug_live): Delete declaration.
(current_nr_blocks, current_blocks, target_bb): Remove static qualifiers.
(compute_dom_prob_ps, check_live, update_live, set_spec_fed): Delete
declaration.
(init_regions): Delete declaration.
(debug_region, bb_in_region_p, dump_region_dot_file, dump_region_dot,
rgn_estimate_number_of_insns): New.
(too_large): Use estimate_number_of_insns.
(haifa_find_rgns): New. Move the code from ...
(find_rgns): ... here. Call either sel_find_rgns or haifa_find_rgns.
(free_trg_info): New.
(compute_trg_info): Allocate candidate tables here instead of ...
(init_ready_list): ... here.
(rgn_print_insn): Use const_rtx.
(contributes_to_priority, extend_regions): Delete static declaration.
(add_remove_insn, fix_recovery_cfg): Add rgn_ to function names.
(add_block1): Rename to rgn_add_block.
(debug_rgn_dependencies): Delete static qualifier.
(new_ready): Use sched_deps_info. Simplify.
(rgn_common_sched_info, rgn_const_sched_deps_info,
rgn_const_sel_sched_deps_info, rgn_sched_deps_info, rgn_sched_info): New.
(region_sched_info): Rename to rgn_const_sched_info.
(deps_join): New, extracted from ...
(propagate_deps): ... here.
(compute_block_dependences, debug_dependencies): Update for selective
scheduling.
(free_rgn_deps, compute_priorities): New functions.
(sched_rgn_init, sched_rgn_finish, rgn_setup_region,
sched_rgn_compute_dependencies): New functions.
(schedule_region): Use them.
(sched_rgn_local_init, sched_rgn_local_free, sched_rgn_local_finish,
rgn_setup_common_sched_info, rgn_setup_sched_infos):
New functions.
(schedule_insns): Call new functions that were split out.
(rgn_make_new_region_out_of_new_block): New.
(get_rgn_sched_max_insns_priority): New.
(rest_of_handle_sched, rest_of_handle_sched2): Call selective
scheduling when appropriate.
* sched-vis.c: Include insn-attr.h.
(print_value, print_pattern): Make global.
(print_rtl_slim, debug_bb_slim, debug_bb_n_slim): New functions.
* target-def.h (TARGET_SCHED_ADJUST_COST_2,
TARGET_SCHED_ALLOC_SCHED_CONTEXT, TARGET_SCHED_INIT_SCHED_CONTEXT,
TARGET_SCHED_SET_SCHED_CONTEXT, TARGET_SCHED_CLEAR_SCHED_CONTEXT,
TARGET_SCHED_FREE_SCHED_CONTEXT, TARGET_SCHED_GET_INSN_CHECKED_DS,
TARGET_SCHED_GET_INSN_SPEC_DS, TARGET_SCHED_SKIP_RTX_P): New target
hooks. Initialize them to 0.
(TARGET_SCHED_GEN_CHECK): Rename to TARGET_SCHED_GEN_SPEC_CHECK.
* target.h (struct gcc_target): Add them. Rename gen_check field to
gen_spec_check.
* flags.h (sel_sched_switch_set): Declare.
* opts.c (sel_sched_switch_set): New variable.
(decode_options): Unset flag_sel_sched_pipelining_outer_loops if
pipelining is disabled from command line.
(common_handle_option): Record whether selective scheduling is
requested from command line.
* doc/invoke.texi: Document new flags and parameters.
* doc/tm.texi: Document new target hooks.
* config/ia64/ia64.c (TARGET_SCHED_GEN_SPEC_CHECK): Define to ia64_gen_check.
(dfa_state_size): Do not declare locally.
* config/ia64/ia64.opt (msched-ar-data-spec): Default to 0.
* config/rs6000/rs6000.c (rs6000_init_sched_context,
rs6000_alloc_sched_context, rs6000_set_sched_context,
rs6000_free_sched_context): New functions.
(struct _rs6000_sched_context): New.
(rs6000_sched_reorder2): Do not modify INSN_PRIORITY for selective
scheduling.
(rs6000_sched_finish): Do not run for selective scheduling.
Co-Authored-By: Alexander Monakov <amonakov@ispras.ru>
Co-Authored-By: Dmitry Melnik <dm@ispras.ru>
Co-Authored-By: Dmitry Zhurikhin <zhur@ispras.ru>
Co-Authored-By: Maxim Kuvyrkov <maxim@codesourcery.com>
From-SVN: r139854
2008-08-26 Vladimir Makarov <vmakarov@redhat.com>
* ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
* doc/passes.texi: Describe IRA.
* doc/tm.texi (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
* doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
(-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
-fira-propagate-cost, -fno-ira-share-save-slots,
-fno-ira-share-spill-slots, -fira-verbose): Describe new options.
* flags.h (ira_algorithm): New enumeration.
(flag_ira_algorithm, flag_ira_verbose): New external variable
declarations.
* postreload.c (gate_handle_postreload): Don't do post reload
optimizations unless the reload is completed.
* reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
IRA.
* tree-pass.h (pass_ira): New external variable declaration.
* reload.h: Add 2008 to the Copyright.
* cfgloopanal.c: Include params.h.
(estimate_reg_pressure_cost): Decrease cost for IRA optimization
mode.
* params.h (IRA_MAX_LOOPS_NUM): New macro.
* toplev.c (ira.h): New include.
(flag_ira_algorithm, flag_ira_verbose): New external variables.
(backend_init_target): Call ira_init.
(backend_init): Call ira_init_once.
(finalize): Call finish_ira_once.
* toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
flag_ira_share_save_slots, flag_ira_share_spill_slots): New
external variables.
* regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
may_move_out_cost): New external variable declarations.
(move_table): New typedef.
* caller-save.c: Include headers output.h and ira.h.
(no_caller_save_reg_set): New global variable.
(save_slots_num, save_slots): New variables.
(reg_save_code, reg_restore_code, add_stored_regs): Add
prototypes.
(init_caller_save): Set up no_caller_save_reg_set.
(init_save_areas): Reset save_slots_num.
(saved_hard_reg): New structure.
(hard_reg_map, saved_regs_num, all_saved_regs): New variables.
(initiate_saved_hard_regs, new_saved_hard_reg,
finish_saved_hard_regs, saved_hard_reg_compare_func): New
functions.
(setup_save_areas): Add code for sharing stack slots.
(all_blocks): New variable.
(save_call_clobbered_regs): Process pseudo-register too.
(mark_set_regs): Process pseudo-register too.
(insert_one_insn): Put the insn after bb note in a empty basic
block. Add insn check.
* global.c (eliminable_regset): Make it external.
(mark_elimination): Use DF_LR_IN for IRA.
(pseudo_for_reload_consideration_p): New.
(build_insn_chain): Make it external. Don't ignore spilled
pseudos for IRA. Use pseudo_for_reload_consideration_p.
(gate_handle_global_alloc): New function.
(pass_global_alloc): Add the gate function.
* opts.c (decode_options): Set up flag_ira. Print the warning for
-fira.
(common_handle_option): Process -fira-algorithm and -fira-verbose.
* timevar.def (TV_IRA, TV_RELOAD): New passes.
* regmove.c (regmove_optimize): Don't do replacement of output for
IRA.
* hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
New external variable declarations.
* local-alloc.c (update_equiv_regs): Make it external. Return
true if jump label rebuilding should be done. Rescan new_insn for
notes.
(gate_handle_local_alloc): New function.
(pass_local_alloc): Add the gate function.
* alias.c (value_addr_p, stack_addr_p): New functions.
(nonoverlapping_memrefs_p): Use them for IRA.
* common.opt (fira, fira-algorithm, fira-coalesce,
fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
fira-verbose): New options.
* regclass.c (reg_class_subclasses, contains_reg_of_mode,
move_cost, may_move_in_cost, may_move_out_cost): Make the
variables external.
(move_table): Remove typedef.
(init_move_cost): Make it external.
(allocate_reg_info, resize_reg_info, setup_reg_classes): New
functions.
* rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
setup_reg_classes): New function prototypes.
(eliminable_regset): New external variable declaration.
(build_insn_chain, update_equiv_regs): New function prototypes.
* Makefile.in (IRA_INT_H): New definition.
(OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
(reload1.o, toplev.o): Add dependence on ira.h.
(cfgloopanal.o): Add PARAMS_H.
(caller-save.o): Add dependence on output.h and ira.h.
(ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
ira-emit.o, ira-lives.o): New entries.
* passes.c (pass_ira): New pass.
* params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
* reload1.c (ira.h): Include the header.
(changed_allocation_pseudos): New bitmap.
(init_reload): Initiate the bitmap.
(compute_use_by_pseudos): Permits spilled registers in FROM.
(temp_pseudo_reg_arr): New variable.
(reload): Allocate and free temp_pseudo_reg_arr. Sort pseudos for
IRA. Call alter_reg with the additional parameter. Don't clear
spilled_pseudos for IRA. Restore original insn chain for IRA.
Clear changed_allocation_pseudos at the end of reload.
(calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
(hard_regno_to_pseudo_regno): New variable.
(count_pseudo): Check spilled pseudos. Set up
hard_regno_to_pseudo_regno.
(count_spilled_pseudo): Check spilled pseudos. Update
hard_regno_to_pseudo_regno.
(find_reg): Use better_spill_reload_regno_p. Check
hard_regno_to_pseudo_regno.
(alter_reg): Set up spilled_pseudos. Add a new parameter. Add
code for IRA.
(eliminate_regs_1): Use additional parameter for alter_reg.
(finish_spills): Set up pseudo_previous_regs only for spilled
pseudos. Call reassign_pseudos once for all spilled pseudos, pass
more arguments. Don't clear live_throughout and dead_or_set for
spilled pseudos. Use additional parameter for alter_reg. Call
mark_allocation_change. Set up changed_allocation_pseudos.
Remove sanity check.
(emit_input_reload_insns, delete_output_reload): Use additional
parameter for alter_reg. Call mark_allocation_change.
(substitute, gen_reload_chain_without_interm_reg_p): New
functions.
(reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
* testsuite/gcc.dg/20080410-1.c: New file.
* config/s390/s390.h (IRA_COVER_CLASSES,
IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
* config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
* config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
* config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
2008-08-24 Jeff Law <law@redhat.com>
* ira.c (setup_reg_class_intersect_union): Prefer smallest class
when ignoring unavailable registers.
2008-08-24 Jeff Law <law@redhat.com>
* ira-color.c (coalesced_pseudo_reg_slot_compare): Check
FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
* ira.c (setup_eliminable_regset): Check stack_realign_needed.
* config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
* ira-build.c (allocno_range_compare_func): Stabilize sort.
2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
* config/avr/avr.h (IRA_COVER_CLASSES): New macro.
* reload1.c (find_reg): Process registers in register allocation order.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* toplev.c (backend_init_target): Move ira_init call from
here...
(lang_dependent_init_target): ...to here.
2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
* ira.c (setup_class_subset_and_memory_move_costs): Don't
calculate memory move costs for NO_REGS.
2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
* ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
STACK_REGS is defined.
2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
* config/spu/spu.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (IRA_COVER_CLASSES): Define.
* config/sh/sh.md (movsicc_true+3): Check if emit returns a
barrier.
From-SVN: r139590
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* builtins.c (expand_builtin_setjmp_receiver): Replace
virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
(expand_builtin_apply_args_1): Likewise.
(expand_builtin_longjmp): Need DRAP for stack alignment.
(expand_builtin_apply): Likewise.
* caller-save.c (setup_save_areas): Call assign_stack_local_1
instead of assign_stack_local to allow alignment reduction.
* calls.c (emit_call_1): Need DRAP for stack alignment if
return pops.
(expand_call): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
* stmt.c (expand_nl_goto_receiver): Likewise.
* cfgexpand.c (get_decl_align_unit): Estimate stack variable
alignment and store to stack_alignment_estimated and
max_used_stack_slot_alignment.
(expand_one_var): Likewise.
(expand_stack_alignment): New function.
(tree_expand_cfg): Initialize max_used_stack_slot_alignment
and stack_alignment_estimated fields in rtl_data. Call
expand_stack_alignment at end.
* defaults.h (INCOMING_STACK_BOUNDARY): New.
(MAX_STACK_ALIGNMENT): Likewise.
(MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
(SUPPORTS_STACK_ALIGNMENT): Likewise.
* emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
stack alignment when generating virtual registers.
* function.c (assign_stack_local): Renamed to ...
(assign_stack_local_1): This. Add a parameter to indicate
if it is OK to reduce alignment.
(assign_stack_local): Use it.
(instantiate_new_reg): Instantiate virtual incoming args rtx
to vDRAP if stack realignment and DRAP is needed.
(assign_parms): Collect parameter/return type alignment and
contribute to stack_alignment_estimated.
(locate_and_pad_parm): Likewise.
(get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
with crtl->args.internal_arg_pointer.
* function.h (rtl_data): Add new field drap_reg,
max_used_stack_slot_alignment, stack_alignment_estimated,
stack_realign_needed, need_drap, stack_realign_processed and
stack_realign_finalized.
(stack_realign_fp): New macro.
(stack_realign_drap): Likewise.
* global.c (compute_regsets): Frame pointer is needed when
stack is realigned. Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* reload1.c (update_eliminables): Frame pointer is needed
when stack is realigned.
(init_elim_table): Can eliminate frame pointer when stack is
realigned and dynamic realigned argument pointer isn't used.
* rtl.h (assign_stack_local_1): Declare new funtion.
* target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
(TARGET_GET_DRAP_RTX): Likewise.
(TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
TARGET_GET_DRAP_RTX.
* target.h (gcc_target): Add update_stack_boundary and
get_drap_rtx.
* tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
2008-07-30 Xuepeng Guo <xuepeng.guo@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
vdrap_reg, stack_realign and drap_reg_saved.
(add_cfi): Don't allow redefining CFA when DRAP is used.
(reg_save): Handle stack alignment.
(dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
alignment. Don't generate DWARF information for (set fp sp)
when DRAP is used.
(dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
to INVALID_REGNUM.
(int_loc_descriptor): Move prototype forward. Also define if
DWARF2_UNWIND_INFO is true.
(output_cfa_loc): Handle DW_CFA_expression.
(build_cfa_aligned_loc): New.
(based_loc_descr): Update assert for stack realign. For local
variables, use sp+offset when stack is aligned without drap and
fp+offset when stack is aligned with drap. For arguments, use
cfa+offset when drap is used to align stack.
2008-07-30 Joey Ye <joey.ye@intel.com>
H.J. Lu <hongjiu.lu@intel.com>
* config/i386/i386.c (ix86_force_align_arg_pointer_string):
Break long line.
(ix86_gen_andsp): New.
(ix86_user_incoming_stack_boundary): Likewise.
(ix86_default_incoming_stack_boundary): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(ix86_can_eliminate): Likewise.
(find_drap_reg): Likewise.
(ix86_update_stack_boundary): Likewise.
(ix86_get_drap_rtx): Likewise.
(ix86_finalize_stack_realign_flags): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): Likewise.
(TARGET_GET_DRAP_RTX): Likewise.
(override_options): Overide option value for new options.
(ix86_function_ok_for_sibcall): Remove check for
force_align_arg_pointer.
(ix86_handle_cconv_attribute): Likewise.
(ix86_function_regparm): Likewise.
(setup_incoming_varargs_64): Don't set stack_alignment_needed
here.
(ix86_va_start): Replace virtual_incoming_args_rtx with
crtl->args.internal_arg_pointer.
(ix86_select_alt_pic_regnum): Check DRAP register.
(ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
(ix86_compute_frame_layout): Compute frame layout wrt stack
realignment.
(ix86_internal_arg_pointer): Just return
virtual_incoming_args_rtx.
(ix86_expand_prologue): Decide if stack realignment is needed
and generate prologue code accordingly.
(ix86_expand_epilogue): Generate epilogue code wrt stack
realignment is really needed or not.
* config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
(ABI_STACK_BOUNDARY): Likewise.
(PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
(STACK_REALIGN_DEFAULT): Likewise.
(INCOMING_STACK_BOUNDARY): Likewise.
(MAX_STACK_ALIGNMENT): Likewise.
(ix86_incoming_stack_boundary): Likewise.
(FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
(REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
(CAN_ELIMINATE): Defined with ix86_can_eliminate.
(machine_function): Remove force_align_arg_pointer.
* config/i386/i386.md (BX_REG): New.
(R13_REG): Likewise.
* config/i386/i386.opt (mforce_drap): New.
(mincoming-stack-boundary): Likewise.
(mstackrealign): Add Init(-1).
* config/i386/i386-protos.h (ix86_can_eliminate): New
2008-07-30 H.J. Lu <hongjiu.lu@intel.com>
* doc/extend.texi: Update force_align_arg_pointer.
* doc/invoke.texi: Document -mincoming-stack-boundary. Update
-mstackrealign.
* doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
(INCOMING_STACK_BOUNDARY): Likewise.
(TARGET_UPDATE_STACK_BOUNDARY): New target hook.
(TARGET_GET_DRAP_RTX): Likewise.
From-SVN: r138335
2008-05-07 Kenneth Zadeck <zadeck@naturalbridge.com>
PATCH rtl/7335
PATCH rtl/33826
* see.c (see_copy_insn): Copy new pure const attributes for new
call.
* c-decl.c (merge_decls): Ditto.
* postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
to RTL_CONST_OR_PURE_CALL_P.
* tree.c (define_local_buitin): Rename DECL_IS_PURE to
DECL_PURE_P. Initialized DECL_LOOPING_CONST_PURE.
(process_call_operands): Set tree_side_effects properly.
* tree.h (TREE_READONLY_DECL_P): Removed.
(DECL_IS_PURE): Renamed to DECL_PURE_P.
(DECL_LOOPING_OR_CONST_P): New macro.
(struct tree_function_decl): Added looping_const_or_pure_p.
(ECF_*) Renumbered.
(ECF_LOOPING_OR_CONST_P): New macro,
* rtlanal.c (pure_const_p): Removed.
* builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
* reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
to RTL_CONST_CALL_P.
* ipa-pure-const.c (pure_const_state_e): Added looping field.
(check_decl, check_tree, check_call, scan_function): Initialize
looping.
(analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
(static_execute): Set looping true for recursive functions.
Undo setting state to IPA_NEITHER for recursive functions.
* cse.c (cse_insn):
* ifcvt.c (noce_can_store_speculate_p): Changed
CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or
RTL_CONST_OR_PURE_CALL_P.
* dse.c (scan_insn): Ditto.
* local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
* gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
RTL_CONST_OR_PURE_CALL_P.
(store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
pure_call_p to RTL_CONST_CALL_P.
* gimplify.c (gimplify_call_expr): Clear side effects for
non-looping pure and constant calls.
* calls.c (emit_call_1): Set rtl flags from ecf flags.
(flags_from_decl_or_type): Set ecf flags from decl flags.
(initialize_argument_information): Turn off
ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
Change const to pure if callee_copies is true rather than just
turning off const.
(expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
way of marking pure calls.
(emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
Remove hack that was supposed to fix pr7335 and remove old
way of marking pure calls.
* emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
* cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
RTL_CONST_OR_PURE_CALL_P.
* tree-ssa-pre.c (can_value_number_call): Fixed spacing.
* loop-invariant.c (find_exits, find_invariant_bb): Changed
CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
* sched-deps.c (schedule_analyze): Ditto.
* rtl.h (struct rtx_def): Use call field, unchanging field, and
return_val field of calls to represent pure and const function
info.
(CONST_OR_PURE_CALL_P): Deleted macro.
(RTL_CONST_CALL_P, RTL_PURE_CALL_P,
RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
* tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
TREE_READONLY.
* tree-optimize.c (execute_fixup_cfg): Added test for
ECF_LOOPING_CONST_OR_PURE.
* c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
DECL_PURE_P.
* tree-cfg.c (update_call_expr_flags): Do not clear tree side
effects for looping pure or const calls.
(verify_gimple_expr): Added verification code.
* config/alpha/alpha.c (alpha_legitimize_address,
alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
RTL_CONST_CALL_P.
* config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
* config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
* config/mips/mips.c (mips_call_tls_get_addr): Ditto.
* cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
RTL_CONST_OR_PURE_CALL_P.
* dce.c (deletable_insn_p): Allow non looping, non sibling, pure
and const calls to be deleted.
java:
2008-05-07 Kenneth Zadeck <zadeck@naturalbridge.com>
* decl.c (java_init_decl_processing): Change DECL_IS_PURE to
DECL_PURE_P.
cp:
2008-05-07 Kenneth Zadeck <zadeck@naturalbridge.com>
* decl.c (duplicate_decls): Merge in DECL_PURE_P, TREE_READONLY,
DECL_LOOPING_CONST_OR_PURE_P attributes.
* rtti.c (build_dynamic_cast_1): Rename DECL_IS_PURE to
DECL_PURE_P.
gfortran:
2008-05-07 Kenneth Zadeck <zadeck@naturalbridge.com>
* trans-decl.c (gfc_get_extern_function_decl, build_function_decl):
Rename DECL_IS_PURE to DECL_PURE_P.
From-SVN: r135053
PR middle-end/PR28690
* rtlanal.c: Update copyright years.
(commutative_operand_precedence): Give SYMBOL_REF's the same precedence
as REG_POINTER and MEM_POINTER operands.
* emit-rtl.c (gen_reg_rtx_and_attrs): New function.
(set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
* rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
* gcse.c: Update copyright years.
(pre_delete): Call gen_reg_rtx_and_attrs.
(hoist_code): Likewise.
(build_store_vectors): Likewise.
(delete_store): Likewise.
* loop-invariant.c (move_invariant_reg): Likewise.
Update copyright years.
From-SVN: r133985
gcc/
* rtl.def (SUBREG): Update comments.
* rtl.h (reg_attrs): Be explicit about the type of offset used.
(set_reg_attrs_from_mem): Rename to...
(set_reg_attrs_from_value): ...this.
(adjust_reg_mode, byte_lowpart_offset): Declare.
* emit-rtl.c (byte_lowpart_offset): New function.
(update_reg_offset): Remove special offset handling for big-endian
targets.
(gen_rtx_REG_offset, gen_reg_rtx_offset): Explicitly say that the
offset parameter is added to REG_OFFSET.
(adjust_reg_mode): New function.
(set_reg_attrs_for_mem): Rename to...
(set_reg_attrs_for_value): ...this and generalize to all values.
If the register is a lowpart of the value, adjust the offset
accordingly.
(set_reg_attrs_for_parm): Update after the above renaming.
(set_reg_attrs_for_decl_rtl): New function, split out from
set_decl_incoming_rtl. Set the offset of plain REGs to the
offset of the REG's mode from the decl's. Assert that all
subregs are lowparts and handle their inner registers in the
same way as plain REGs.
(set_decl_rtl, set_incoming_decl_rtl): Use reg_attrs_for_decl_rtl.
(subreg_lowpart_offset): Explicitly say that the returned offset
is a SUBREG_BYTE.
* combine.c (do_SUBST_MODE, try_combine, undo_all): Use adjust_reg_mode
instead of PUT_MODE.
* final.c (alter_subreg): Fix/update argument to gen_rtx_REG_offset.
* config/ia64/ia64.c (ia64_expand_load_address): Likewise.
* regclass.c (reg_scan_mark_refs): Use set_reg_attrs_from_value.
* reload.c (find_reloads_subreg_address): Call set_mem_offset
when offseting a MEM.
* var-tracking.c (offset_valid_for_tracked_p): Delete.
(mode_for_reg_attrs): Replace with...
(track_loc_p): ...this new function. Return the mode and offset
to the caller, checking that the latter is valid. If the rtx is
a paradoxical lowpart of the decl, use the decl's mode instead.
Do the same when storing to a register that contains the entire decl.
(var_lowpart): Use byte_lowpart_offset rather than
subreg_lowpart_offset when adjusting the offset attribute.
(count_uses, add_uses, add_stores): Use track_reg_p instead of
REG_EXPR, MEM_EXPR, REG_OFFSET, INT_MEM_OFFSET, track_expr_p,
offset_valid_for_tracked_p and mode_for_reg_attrs. Generate
lowparts for MEMs as well as REGs.
(vt_add_function_parameters): When obtaining the information from
the decl_rtl, adjust the offset to match incoming. Use track_loc_p
and var_lowpart.
From-SVN: r131055
PR rtl-optimization/33644
* cfgcleanup.c: Do not include dce.h.
* cfgrtl.c (delete_insn_chain_and_edges): Resurrect.
* combine.c (distribute_notes): Delete REG_LIBCALL_ID case.
* dce.c (something_changed): Delete.
(libcall_dead_p): New predicate.
(delete_unmarked_insns): Use it to delete dead libcalls.
Deal with REG_LIBCALL and REG_RETVAL notes.
(prescan_libcall_for_dce): New function.
(prescan_insns_for_dce): Use it to deal with libcalls.
(mark_reg_dependencies): Do nothing special for libcalls.
(dce_process_block): Likewise.
(fast_dce): Delete unused local variable.
(run_fast_dce): Do not return a value.
* dce.h (struct df): Delete.
(run_fast_dce): Adjust prototype.
* optabs.c (libcall_id): Delete.
(maybe_encapsulate_block): Do not emit REG_LIBCALL_ID notes.
(emit_no_conflict_block): Do not look for REG_LIBCALL_ID notes.
* reload1.c (reload): Delete REG_LIBCALL_ID case.
* rtl.h (delete_insn_chain_and_edges): Resurrect prototype.
* see.c (see_update_relevancy): Look for REG_LIBCALL and REG_RETVAL
notes instead of REG_LIBCALL_ID notes.
* reg-notes.def (LIBCALL_ID): Delete.
* Makefile.in (see.o): Add dce.h dependency.
(cfgcleanup.o): Remove dce.h dependency.
From-SVN: r129556
2007-10-16 Paolo Bonzini <bonzini@gnu.org>
Maxim Kuvyrkov <maxim@codesourcery.com>
* target.h (unspec_may_trap_p): New target hook.
* target-def.h (TARGET_UNSPEC_MAY_TRAP_P): New macro.
* targhooks.c (default_unspec_may_trap_p): Default implementation of
the hook.
* targhooks.h (default_unspec_may_trap_p): Declare it.
* doc/tm.texi (TARGET_UNSPEC_MAY_TRAP_P): Document new hook.
* rtlanal.c (may_trap_p_1): Use new hook. Make global.
* rtl.h (may_trap_p_1): Declare.
* config/ia64/ia64.c (ia64_unspec_may_trap_p): New function to
override default hook implementation.
(TARGET_UNSPEC_MAY_TRAP_P): Override default implementation of the
hook.
* gcc.target/ia64/20040709-2.c: New test.
Co-Authored-By: Maxim Kuvyrkov <maxim@codesourcery.com>
From-SVN: r129378
2007-09-02 Kenneth Zadeck <zadeck@naturalbridge.com>
* ra-conflict.c: New file.
* ra.h: New file.
* reload.c (push_reload, find_dummy_reload): Change DF_RA_LIVE
usage to DF_LIVE usage.
* rtlanal.c (subreg_nregs_with_regno): New function.
* df-scan.c (df_def_record_1, df_uses_record): Add code to set
DF_REF_EXTRACT, DF_REF_STRICT_LOWER_PART, and DF_REF_SUBREG flags.
(df_has_eh_preds): Removed.
(df_bb_refs_collect, df_bb_refs_collect, df_bb_refs_collect,
df_exit_block_uses_collect): Changed call from df_has_eh_preds to
bb_has_eh_pred.
* global.c (allocno, max_allocno, conflicts, allocno_row_words,
reg_allocno, EXECUTE_IF_SET_IN_ALLOCNO_SET): Moved to ra.h
(SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Moved to ra-conflicts.c.
(regs_set, record_one_conflict, record_conflicts, mark_reg_store,
mark_reg_clobber, mark_reg_conflicts, mark_reg_death): Deleted.
(global_alloc): Turn off rescanning insns after call to
global_conflicts and added call to set_preferences.
(global_conflicts): Moved to ra-alloc.c.
(set_preferences_1, set_preferences): New function.
(mirror_conflicts): Changed types for various variables.
(mark_elimination): Change DF_RA_LIVE
usage to DF_LIVE usage.
(build_insn_chain): Rewritten from scratch and made local.
(print_insn_chain, print_insn_chains): New functions.
(dump_conflicts): Do not print conflicts for fixed_regs.
(rest_of_handle_global_alloc): Turn off insn rescanning.
* hard-reg-set.h: Fixed comment.
* local-alloc.c (update_equiv_regs): Change DF_RA_LIVE
usage to DF_LIVE usage and delete refs to TOP sets.
(block_alloc): Mark regs as live if they are in the artificial
defs at top of block.
(find_stack_regs): New function.
(rest_of_handle_local_alloc): Changed urec problem to live
problem and do not turn off df rescanning.
* df.h (DF_UREC, DF_UREC_BB_INFO, DF_LIVE_TOP, DF_RA_LIVE_IN,
DF_RA_LIVE_TOP, DF_RA_LIVE_OUT, df_urec_bb_info, df_urec,
df_urec_add_problem, df_urec_get_bb_info, df_has_eh_preds): Removed.
(DF_CHAIN, DF_NOTE, DF_CHAIN): Renumbered.
(DF_REF_EXTRACT, DF_REF_STRICT_LOWER_PART, DF_REF_SUBREG): New
fields in df_ref_flags. The rest have been renumbered.
* init-regs.c (initialize_uninitialized_regs): Enhanced debugging
at -O1.
* rtl.h (subreg_nregs_with_regno): New function.
* df-problems.c: (df_get_live_out, df_get_live_in,
df_get_live_top): Removed reference to DF_RA_LIVE.
(df_lr_reset, df_lr_transfer_function, df_live_free_bb_info,
df_live_alloc, df_live_reset, df_live_local_finalize,
df_live_free): Make top set only if different from in set.
(df_lr_top_dump, df_live_top_dump): Only print top set if
different from in set.
(df_lr_bb_local_compute): Removed unnecessary check.
(df_urec_problem_data, df_urec_set_bb_info, df_urec_free_bb_info,
df_urec_alloc, df_urec_mark_reg_change, earlyclobber_regclass,
df_urec_check_earlyclobber, df_urec_mark_reg_use_for_earlyclobber,
df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
df_urec_local_compute, df_urec_init, df_urec_local_finalize,
df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
df_urec_top_dump, df_urec_bottom_dump, problem_UREC,
df_urec_add_problem): Removed.
(df_simulate_fixup_sets): Changed call from df_has_eh_preds to
bb_has_eh_pred.
* Makefile.in (ra-conflict.o, ra.h): New dependencies.
* basic_block.h (bb_has_abnormal_pred): New function.
* reload1.c (compute_use_by_pseudos): Change DF_RA_LIVE
usage to DF_LIVE usage.
From-SVN: r128957
2007-09-10 Robert Kidd <rkidd@crhc.uiuc.edu>
* bb-reorder.c (rest_of_handler_reorder_blocks): Removed call to
RTL level tracer pass.
* passes.c (init_optimization_passes): Move pass_tracer from
after pass_rtl_ifcvt to after pass_dce.
* tracer.c: Update copyright.
(layout_superblocks): Remove function.
(mark_bb_seen): New.
(bb_seen_p): New.
(count_insns): Change to estimate instructions in a Tree-SSA
statement.
(find_trace): Use bb_seen_p.
(tail_duplicate): Use bb_seen_p. Call add_phi_args_after_copy
after duplicate_block.
(tracer): Change prototype to match that of a pass execute
callback.
(gate_tracer): Rename from gate_handle_tracer.
(rest_of_handle_tracer): Remove function.
* rtl.h: Remove prototype for tracer.
* testsuite/gcc.dg/tree-prof/tracer-1.c: New.
From-SVN: r128341
* doc/rtl.texi (Insns): Specify when a label_ref makes a jump_insn.
Similar for what label_refs can go in the JUMP_TARGET field. Split
REG_LABEL documentation into REG_LABEL_TARGET and REG_LABEL_OPERAND.
* reload.c (find_reloads): Generate REG_LABEL_OPERAND, not
REG_LABEL when replacing an operand with a LABEL_REF for a
non-jump insn.
(subst_reloads): When replacing a LABEL_REG with a register,
instead of generating a REG_LABEL note, assert that there already
is one or that the label is a known target for the insn.
* rtlanal.c (computed_jump_p): Instead of looking for a REG_LABEL
note, check the JUMP_LABEL field. Remove "else" after return.
* reorg.c (emit_delay_sequence): Replace case for REG_LABEL with
cases for REG_LABEL_OPERAND and REG_LABEL_TARGET.
(fill_slots_from_thread): Handle both REG_LABEL_OPERAND and
REG_LABEL_TARGET notes, including the JUMP_TARGET field on JUMP_P
insns. Iterate over all notes; don't assume there's only one.
* cse.c (recorded_label_ref): Adjust comment to refer to
REG_LABEL_OPERAND.
(cse_extended_basic_block): Do LABEL_REF check for all INSN_P
insns, not just NONJUMP_INSN_P.
(check_for_label_ref): For JUMP_P insns, check that the LABEL_REF
isn't a jump target.
* jump.c (rebuild_jump_labels): Adjust head comment.
(init_label_info): Ditto. Remove REG_LABEL_OPERAND notes only;
don't reset REG_LABEL_TARGET notes, including the JUMP_LABEL field.
(mark_all_labels): For JUMP_P insns without a target, check if the
the target is noted on the previous nonjump insn.
(mark_jump_label_1): New function, guts from mark_jump_label.
<case IF_THEN_ELSE>: Handle first operand as a non-target when
marking jump target labels.
<case LABEL_REF>: Adjust for whether to generate a
REG_LABEL_TARGET or a REG_LABEL_OPERAND note.
For 'E' format rtl, iterate in descending element order.
(delete_related_insns): Handle both REG_LABEL_TARGET and
REG_LABEL_OPERAND notes. For JUMP_P insns with labels with zero
reference count, delete and fallthrough. Move finding-next-
non-deleted insn last in the function. Look at all INSN_P insns
for REG_LABEL_OPERAND notes.
(redirect_jump_2): Assert that OLABEL equals the old JUMP_LABEL of
JUMP.
* print-rtl.c (print_rtx): For JUMP_P insns and a non-NULL
JUMP_LABEL, output the INSN_UID of it.
* gcse.c: Adjust comments as appropriate to say REG_LABEL_OPERAND
and/or REG_LABEL_TARGET.
(add_label_notes): Only add REG_LABEL_OPERAND notes. Put in line
with jump.c copy by only adding notes for labels actually
referenced in the insn.
* emit-rtl.c (try_split): Don't assume only NONJUMP_INSN_P need
usage count increment; handle all INSN_P trial insns.
(emit_copy_of_insn_after): Change to not copy REG_LABEL_OPERAND
notes.
* rtl.h (struct rtx_def) <volatil>: Adjust to mention
REG_LABEL_TARGET and REG_LABEL_OPERAND.
(LABEL_REF_NONLOCAL_P): Allow REG_LABEL_TARGET and
REG_LABEL_OPERAND.
* combine.c (distribute_notes): Adjust for REG_LABEL_TARGET on
JUMP_P insns and REG_LABEL_OPERAND everywhere.
* sched-rgn.c (is_cfg_nonregular): Check for REG_LABEL_OPERANDS
on all INSN_P insns.
* reg-notes.def (LABEL_TARGET, LABEL_OPERAND): Split from LABEL.
* cfgrtl.c (delete_insn): Adjust to handle REG_LABEL_TARGET and
REG_LABEL_OPERAND notes.
* reload1.c (calculate_needs_all_insns): Adjust comments.
(set_label_offsets): Adjust to look for REG_LABEL_OPERAND notes.
* config/alpha/alpha.md (split for load of an address into a
four-insn sequence on Unicos/Mk): Adjust to use
REG_LABEL_OPERAND.
* config/sh/sh.md (sh_reorg, final_prescan_insn): Ditto.
From-SVN: r128287
2007-08-27 Sandra Loosemore <sandra@codesourcery.com>
David Ung <davidu@mips.com>
Nigel Stephens <nigel@mips.com>
gcc/
Separate target-specific initialization from general
back-end initialization.
* toplev.c (init_alignments): New, split out from...
(process_options): ...here.
(backend_init_target): New, split out from...
(backend_init): ...here.
(lang_dependent_init_target): New, split out from...
(lang_dependent_init): ...here.
(target_reinit): New.
* toplev.h (target_reinit): Declare.
* expr.c (init_expr_target): Renamed from init_expr_once, since it
now can be called more than once. Update comments.
* expr.h (init_expr_target): Likewise.
* alias.c (init_alias_target): Renamed from init_alias_once, since it
now can be called more than once. Explicitly zero
static_reg_base_value.
* emit-rtl.c (init_emit_regs): New, split out from...
(init_emit_once): Here.
* regclass.c (initial_fixed_regs, initial_call_used_regs): Make
non-const, so that changes from command-line arguments can overwrite
values provided by the static initializers.
(initial_call_really_used_regs): New, used similarly to the above.
(initial_reg_names): Likewise.
(last_mode_for_init_move_cost): Promoted function-local static to
file-scope static to make it accessible outside init_move_cost.
(init_reg_sets): Do not initialize fixed_regs and call_used_regs yet.
Do not initialize inv_reg_alloc_order yet, either. Do initialize
reg_names since it is needed for parsing command-line options.
(init_move_cost): Use last_mode_for_init_move_cost instead of
function-local static.
(init_reg_sets_1): Initialize fixed_regs, call_used_regs, and
call_really_used_regs now. Reinitialize reg_names. Also
initialize inv_reg_alloc_order. Zero reg_class_subunion and
reg_class_superunion. Clear losing_caller_save_reg_set.
Preserve global registers if called more than once. Reset
move cost, may_move_in_cost, may_move_out_cost, and
last_mode_for_init_move_cost.
(init_reg_modes_target): Renamed from init_reg_modes_once, since it
can now be invoked more than once. Update comments.
(init_regs): Update comments.
(fix_register): Update initial_fixed_regs, initial_call_used_regs,
and initial_call_really_used_regs, instead of the non-initial
variables. This allows us to save the command-line register settings
after target reinitialization.
(init_reg_autoinc): Zero forbidden_inc_dec_classes.
* rtl.h (init_emit_regs): Declare.
(init_reg_modes_target, init_alias_target): Renamed as described
above.
* reload1.c (init_reload): Update comments.
* optabs.c (init_optabs): Likewise.
* cfgloopanal.c (init_set_costs): Explicitly zero target_avail_regs.
Co-Authored-By: David Ung <davidu@mips.com>
Co-Authored-By: Nigel Stephens <nigel@mips.com>
From-SVN: r127832
Alexandre Oliva
Adam Nemet
David Daney
Ian Lance Taylor
Aldy Hernandez
Richard Henderson
Steven Bosscher
Michael Matz
Jakub Jelinek
Taras Glek
Kazu Hirata
H.J. Lu
Jakub Jelinek
Paolo Bonzini
Vladimir Makarov
Andrew Pinski
Jan Hubicka
Andrey Belevantsev
Richard Sandiford
H.J. Lu
Kenneth Zadeck
Peter Bergner
Tom Tromey
Richard Sandiford
Eric Botcazou
Eric Botcazou
Maxim Kuvyrkov
Kaveh R. Ghazi
Robert Kidd
Hans-Peter Nilsson
Sandra Loosemore
Chao-ying Fu