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* c-semantics.c (genrtl_case_label): Fix format specifier bug.
* cfgrtl.c (rtl_verify_flow_info_1): Likewise.
From-SVN: r68784
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* basic-block.h: Fix comment typos.
* bb-reorder.c: Likewise.
* c-format.c: Likewise.
* cfgcleanup.c: Likewise.
* cfghooks.h: Likewise.
* cfgloop.c: Likewise.
* cfgloopmanip.c: Likewise.
* cfgrtl.c: Likewise.
* cgraph.h: Likewise.
* cgraphunit.c: Likewise.
* combine.c: Likewise.
* convert.c: Likewise.
* dbxout.c: Likewise.
* df.c: Likewise.
* df.h: Likewise.
* diagnostic.c: Likewise.
* dwarf2out.c: Likewise.
* et-forest.h: Likewise.
* flow.c: Likewise.
* fold-const.c: Likewise.
* function.h: Likewise.
* gcov-io.h: Likewise.
* gcov.c: Likewise.
* gcse.c: Likewise.
* genautomata.c: Likewise.
* ggc-common.c: Likewise.
* ggc-page.c: Likewise.
* loop-unroll.c: Likewise.
* loop-unswitch.c: Likewise.
* loop.c: Likewise.
* mips-tfile.c: Likewise.
* optabs.c: Likewise.
* ra-build.c: Likewise.
* ra-colorize.c: Likewise.
* ra-rewrite.c: Likewise.
* ra.h: Likewise.
* regmove.c: Likewise.
* reload.c: Likewise.
* rtlanal.c: Likewise.
* sched-ebb.c: Likewise.
* sched-int.h: Likewise.
* sched-vis.c: Likewise.
* sreal.c: Likewise.
* ssa-ccp.c: Likewise.
* ssa.c: Likewise.
* toplev.c: Likewise.
* tree-inline.c: Likewise.
* value-prof.c: Likewise.
* value-prof.h: Likewise.
From-SVN: r68770
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From-SVN: r68697
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* cfgrtl.c (verify_flow_info): Accept degenerated condjumps
in cfglayout mode.
From-SVN: r68694
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* alloc-pool.c: Fix comment formatting.
* bitmap.c: Likewise.
* bitmap.h: Likewise.
* bt-load.c: Likewise.
* builtins.c: Likewise.
* caller-save.c: Likewise.
* cfganal.c: Likewise.
* cfgrtl.c: Likewise.
* collect2.c: Likewise.
* cse.c: Likewise.
* df.c: Likewise.
* diagnostic.c: Likewise.
* dwarf2out.c: Likewise.
* dwarfout.c: Likewise.
* expmed.c: Likewise.
* final.c: Likewise.
* flags.h: Likewise.
* fold-const.c: Likewise.
* gcc.c: Likewise.
* gcov-io.h: Likewise.
* gcov.c: Likewise.
* genattrtab.c: Likewise.
* genautomata.c: Likewise.
* libgcov.c: Likewise.
* mips-tfile.c: Likewise.
* optabs.c: Likewise.
* prefix.c: Likewise.
* rtlanal.c: Likewise.
* stmt.c: Likewise.
* stor-layout.c: Likewise.
* toplev.c: Likewise.
* varasm.c: Likewise.
* vmsdbgout.c: Likewise.
From-SVN: r68672
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* cfgrtl.c (rtl_split_edge):
Mark the definition static, matching the forward declaration.
cp:
* decl.c (build_typename_type)
* mangle.c (write_template_template_arg)
* parser.c (cp_parser_scope_through_which_access_occurs)
* pt.c (push_access_scope_real, push_access_scope, pop_access_scope)
* repo.c (get_base_filename)
* semantics.c (maybe_convert_cond):
Mark the definition static, matching the forward declaration.
java:
* class.c (build_method_symbols_entry)
* expr.c (get_offset_table_index)
* jcf-parse.c (jcf_parse):
Mark the definition static, matching the forward declaration.
From-SVN: r68622
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* Makefile.in (cfgrtl.o): Add expr.h dependency.
* cfgrtl.c: Include expr.h.
(mark_killed_regs, safe_insert_insn_on_edge): New
functions.
* config/i386/i386.h (AVOID_CCMODE_COPIES): Define.
* basic-block.h (safe_insert_insn_on_edge): Declare.
From-SVN: r68518
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* ChangeLog.1: Fix a typo.
* cfgrtl.c: Fix comment typos.
* dwarf2out.c: Likewise.
* expmed.c: Likewise.
* genrecog.c: Likewise.
* jump.c: Likewise.
* rtlanal.c: Likewise.
* ssa-dce.c: Likewise.
* toplev.c: Likewise.
From-SVN: r68374
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* caller-save.c: Convert to ISO C90.
* calls.c: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgbuild.c: Likewise.
* cfgcleanup.c: Likewise.
* cfghooks.c: Likewise.
* cfglayout.c: Likewise.
* cfglayout.h: Likewise.
* cfgloop.c: Likewise.
* cfgloop.h: Likewise.
* cfgloopanal.c: Likewise.
* cfgloopmainip.c: Likewise.
* cfgrtl.c: Likewise.
From-SVN: r68331
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* cfgbuild.c (make_edges): Set ABNORMAL with SIBCALL.
* cfgrtl.c (purge_dead_edges): Expect it too.
From-SVN: r67917
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* basic-block.h (flow_delete_block_noexpunge): Kill.
* cfgrtl.c (flow_delete_block_noexpunge): Merge to
rtl_delete_block.
From-SVN: r67846
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* i386.md (subsi_3_zext, sse2_nandv2di3): Fix predicates.
* i386.c (k8_avoid_jump_misspredicts): Fix debug output.
* cfg.c (verify_flow_info): Move IL independent checks from cfgrtl here.
(dump_bb): New based on old dump_bb in cfgrtl.c
(debug_bb, debug_bb_n): Move the functions from cfgrtl.c here.
* cfghooks.h (cfgh_verify_flow_info): Return status.
* cfglayout.c (cfg_layout_finalize): Verify CFG correctness.
* cfgrtl.c (debug_bb, debug_bb_n): Move to cfg.c
(dump_bb): Remove generic parts.
(rtl_verify_flow_info_1): Break out from rtl_verify_flow_info.
(rtl_verify_flow_info): Only check things dependeing on linearized RTL.
* i386-cmov1.c: Fix regular expression.
* i386-cvt-1.c: Likewise.
* i386-local.c: Likewise.
* i386-local2.c: Likewise.
* i386-mul.c: Likewise.
* i386-ssetype-1.c: Likewise.
* i386-ssetype-3.c: Likewise.
* i386-ssetype-5.c: Likewise.
From-SVN: r67630
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* basic-block.h (EDGE_SIBCALL): New.
(EDGE_ALL_FLAGS): Update.
* cfg.c (dump_edge_info): Add sibcall name.
* cfgbuild.c (make_edges): Use EDGE_SIBCALL.
* cfgrtl.c (purge_dead_edges): Handle sibcalls.
From-SVN: r67602
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* function.c (FLOOR_ROUND, CEIL_ROUND): Fix.
* i386.md (gen_pro_epilogue_adjust_stack): Deal with gigantic stack frames.
(pro_epilogue_adjust_stack_rex64_2): New pattern
* cfghooks.h, cfghooks.c: New files.
* Makefile.in (BASIC_BLOCK_H): Depends on cfghooks.h.
(OBJS): Add cfghooks.o.
(cfghooks.o): New rule.
* basic-block.h (split_edge): Rename to rtl_split_edge.
(verify_flow_info): Rename to rtl_verify_flow_info.
(cfghooks.h): Included here.
* cfgrtl.c (split_edge): Renamed rtl_split_edge.
(verify_flow_info): Renamed rtl_verify_flow_info.
* toplev.c (rest_of_compilation): Call rtl_register_cfg_hooks.
* basic-block.h (split_block, split_edge, flow_delete_block,
redirect_edge_and_branch, redirect_edge_and_branch_force): Delete.
(flow_delete_block_noexpunge): Return void.
* cfg.c (verify_flow_info): New function.
* cfgcleanup.c (try_simplify_condjump, outgoing_edges_match,
try_crossjump_to_edge, try_optimize_cfg, delete_unreachable_blocks):
Use delete_block.
* cfglayout.c (function_footer): Rename to...
(cfg_layout_function_footer): ... this variable
(unlink_insn_chain): Make global.
(fixup_reorder_chain, record_effective_endpoints): Update.
(cleanup_unconditional_jumps): Use delete_block.
(cfg_layout_redirect_edge, cfg_layout_split_block): Move to cfgrtl.c
(cfg_layout_duplicate_bb): Use redirect_edge_and_branch_force.
(cfg_layout_initialize, cfg_layout_finalize): Update hooks.
* cfglayout.h (cfg_layout_redirect_edge, cfg_layout_split_block): Delete.
(cfg_layout_function_footer): Declare.
* cfgloopmanip (split_loop_bb): Do not update RBI.
(remove_bbs): Use delete_block.
(loop_reidrect_edge, loop_delete_branch_edge): Use
redirect_edge_and_branch.
(create_preheader): Use split_block and redirect_edge_and_branch_force.
(split_edge_with): Likewise.
* cfgrtl.c: Include cfglayout.h
(split_edge): Rename to ...
(rtl_split_edge) ... this one; make local.
(redirect_edge_and_branch): Rename to ...
(rtl_redirect_edge_and_branch) ... this one; make local.
(redirect_edge_and_branch_force): Rename to ...
(rtl_redirect_edge_and_branch_force) ... this one; make local.
(cfg_layout_delete_block, cfg_layout_delete_edge_and_branch_force): New.
(cfg_layout_redirect_edge_and_branch, cfg_layout_split_block): Move here from
cfglayout.c; update to directly call RTL counterparts.
(rtl_cfg_hooks, cfg_layout_rtl_cfg_hooks): New functions.
* ifcvt.c (find_cond_trap): Use delete_block.
(find_if_case_1): Use delete_block.
(find_if_case_2): Use delete_block.
* rtl.h (unlink_insn_chain): Declare.
* toplev.c (rtl_reigster_cfg_hooks): New.
From-SVN: r67535
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PR 8866
* rtl.h (MEM_NOTRAP_P): New.
(MEM_COPY_ATTRIBUTES): Copy it.
* rtlanal.c (may_trap_p): Check it.
* expr.c (do_tablejump): Set it.
* doc/rtl.texi (Flags): Document it.
* cfgrtl.c (try_redirect_by_replacing_jump): Revert last three changes.
From-SVN: r65967
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jump tables.
* cfgrtl.c (try_redirect_by_replacing_jump): Create a basic block
for orphaned jump tables.
From-SVN: r65792
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PR middle-end/8866
* cfgtrl.c (try_redirect_by_replacing_jump): Do not delete
jumptables.
PR middle-end/8866
* libjava.lang/PR8866.java: New test.
From-SVN: r65698
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PR opt/10024
* cfgrtl.c (force_nonfallthru_and_redirect): Use unchecked_make_edge.
From-SVN: r65571
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PR opt/10024
* cfglayout.c (cfg_layout_redirect_edge):
Redirect any branch edges unified with the fallthru one.
* cfgrtl.c (force_nonfallthru_and_redirect): Do not special
case fallthru edges when called via cfglayout.c
From-SVN: r65330
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From-SVN: r65214
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* cfgbuild.c (make_edges): Use tablejump_p.
* cfgcleanup.c (label_is_jump_target_p): Likewise.
* cfglayout.c (cfg_layout_can_duplicate_bb_p): Likewise.
* cfgrtl.c (flow_delete_block_noexpunge): Likewise.
(try_redirect_by_replacing_jump): Likewise.
(redirect_edge_and_branch): Likewise.
* cse.c (fold_rtx): Likewise.
* jump.c (delete_related_insns): Likewise.
* rtlanal.c (get_jump_table_offset): Likewise.
* ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): Likewise.
From-SVN: r65054
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doxygen)
PR opt/10056
* cfglayout.c (fixup_reorder_chain): Fix dealing with the conditional
jump jumping to the next instruction.
* cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
From-SVN: r64854
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* cfgcleanup.c (try_optimize_cfg): Allow merging of tablejumps
before flow2.
* cfgrtl.c (try_redirect_by_replacing_jump): Similarly.
From-SVN: r64754
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* basic-block.h (EDGE_IRREDUCIBLE_LOOP, EDGE_ALL_FLAGS): New.
* cfg.c (dump_edge_info): Add EDGE_IRREDUCIBLE_LOOP flag dump.
* cfgloop.c (flow_loop_free): Made global.
(establish_preds): New static function.
(flow_loop_tree_node_add): Handle subloops of added loop correctly.
(get_loop_exit_edges): New.
(verify_loop_structure): Verify EDGE_IRREDUCIBLE_LOOP flags.
* cfgloop.h (flow_loop_free, get_loop_exit_edges, unloop): Declare.
* cfgloopanal.c (mark_irreducible_loops): Mark edges in irreducible
loops.
* cfgloopmanip.c (loop_delete_branch_edge): Allow to test for
removability of an edge.
(fix_irreducible_loops): New static function.
(find_path, remove_path): Add ability to remove enclosing loops.
(unloop): New.
(copy_bbs, duplicate_loop_to_header_edge): Use EDGE_IRREDUCIBLE_LOOP
flags.
* cfgrtl.c (verify_flow_info): Handle EDGE_IRREDUCIBLE_LOOP flag.
* loop-unroll.c (peel_loops_completely): Do not duplicate loop if
not neccessary.
(decide_peel_completely, peel_loops_completely): Allow complete peeling
of non-duplicable once rolling loops.
* loop-unswitch.c (unswitch_loop): Update EDGE_IRREDUCIBLE_LOOP flags.
From-SVN: r63864
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some code has been emitted.
* cfgrtl.c (commit_edge_insertions): Call
find_many_sub_basic_block only when some code has been emitted.
(commit_edge_insertions_watch_calls): Bring into sync with
commit_edge_insertions
From-SVN: r63248
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* cfgrtl.c (commit_one_edge_insertion): Only mark BB for splitting.
(commit_edge_insertions): Call find_many_sub_basic_blocks
* reg-stack.c (convert_regs): Cleax aux for blocks.
From-SVN: r63216
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* cfgrtl.c (verify_flow_info): Use control_flow_insn_p.
* reload1.c (fixup_abnormal_edges): Split basic blocks when EH edges
possibly got duplicated.
From-SVN: r62599
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* alias.c: Fix comment typos.
* basic-block.h: Likewise.
* c-common.c: Likewise.
* c-common.h: Likewise.
* c-decl.c: Likewise.
* c-opts.c: Likewise.
* c-pragma.c: Likewise.
* c-pretty-print.h: Likewise.
* cfg.c: Likewise.
* cfganal.c: Likewise.
* cfgbuild.c: Likewise.
* cfgcleanup.c: Likewise.
* cfglayout.c: Likewise.
* cfgrtl.c: Likewise.
* convert.c: Likewise.
* cpphash.h: Likewise.
* cpplex.c: Likewise.
* cpplib.h: Likewise.
* df.h: Likewise.
* diagnostic.c: Likewise.
* diagnostic.h: Likewise.
* dwarf2.h: Likewise.
From-SVN: r61462
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From-SVN: r60174
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* c-decl.c: Fix a comment typo.
* cfg.c: Likewise.
* cfgcleanup.c: Likewise.
* cfglayout.c: Likewise.
* cfgrtl.c: Likewise.
* c-typeck.c: Likewise.
* dominance.c: Likewise.
* dwarf2asm.c: Likewise.
* dwarfout.c: Likewise.
* expmed.c: Likewise.
* expr.c: Likewise.
* final.c: Likewise.
* flow.c: Likewise.
* function.c: Likewise.
* gcc.c: Likewise.
* genautomata.c: Likewise.
* integrate.c: Likewise.
* loop.c: Likewise.
* loop.h: Likewise.
* output.h: Likewise.
* profile.c: Likewise.
* ra.h: Likewise.
* reload1.c: Likewise.
* reload.c: Likewise.
* sched-rgn.c: Likewise.
* stmt.c: Likewise.
* tree.h: Likewise.
* vmsdbgout.c: Likewise.
From-SVN: r60085
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into nonfallthru.
* cfgrtl.c (force_nonfallthru_and_redirect): Allow abnormal edge
to be forced into nonfallthru.
From-SVN: r59816
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notes when deleting basic blocks.
* cfgrtl.c (flow_delete_block_noexpunge): Delete orphaned
NOTE_INSN_LOOP_CONT notes when deleting basic blocks.
From-SVN: r57243
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fallthru edge.
2002-06-21 Richard Henderson <rth@redhat.com>
* bb-reorder.c (make_reorder_chain_1): Search harder for the
vax casesi fallthru edge.
* cfglayout.c (cleanup_unconditional_jumps): Use
redirect_edge_succ_nodup. Do not delete ADDR_VEC insns as dead.
* cfgrtl.c (force_nonfallthru_and_redirect): Place redirection
block after ADDR_VEC.
From-SVN: r54885
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2002-06-05 David S. Miller <davem@redhat.com>
Delete SEQUENCE rtl usage outside of reorg and ssa passes.
* rtl.h (gen_sequence, emit_insns, emit_insns_before,
emit_insns_before_scope, emit_insns_after,
emit_insns_after_scope): Delete declaration.
* ada/misc.c (insert_code_for): Use emit_insn* instead of
emit_insns_foo.
* config/alpha/alpha.c (alpha_set_memflags_1): Abort on SEQUENCE.
(alpha_set_memflags): Fix comment.
(set_frame_related_p): Use get_insns instead of gen_sequence.
* config/alpha/alpha.md (setjmp receiver splitter): Avoid
emitting no insns.
* config/arm/arm.c (arm_finalize_pic): Use get_insns instead of
gen_sequence.
(arm_gen_load_multiple, arm_gen_store_multiple): Likewise.
* config/fr30/fr30.c (fr30_move_double): Likewise.
* config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_movstr):
Likewise.
* config/ia64/ia64.c (spill_restore_mem): Likewise.
* config/ia64/ia64.md (conditional move spliiter): Avoid emitting
no insns.
* config/m32r/m32r.c (gen_split_move_double): Use get_insns
instead of gen_sequence.
* config/mips/mips.c (embedded_pic_fnaddr_reg): Likewise.
(mips_expand_prologue, mips16_gp_pseudo_reg): Likewise.
* config/sh/sh.c (sh_need_epilogue): Likewise.
* config/sparc/sparc.md (current_function_calls_alloca, flat): New
attributes.
(setjmp pattern and split): Use them to avoid splitter which emits
no RTL.
* genattrtab.c (main): Emit include of function.h
* config/stormy16/stormy16.c (xstormy16_split_cbranch): Use
get_insns instead of gen_sequence.
* config/cris/cris.c (cris_split_movdx): Likewise.
* emit-rtl.c (emit_insns*): Kill.
(try_split): Expect insn list instead of SEQUENCE.
(make_jump_insn_raw, make_call_insn_raw): Fix comments.
(emit_*insn*): Reimplement to work with INSN lists and PATTERNs.
Make them abort if a SEQUENCE is given and RTL checking is
enabled.
(emit_*_scope): Don't forget to set scope on final insn.
(gen_sequence): Move from here...
* ssa.c (gen_sequence): To here as private function.
* builtins.c (expand_builtin_apply_args): Use emit_insn_foo, fix
comments.
(expand_builtin_return, expand_builtin_mathfn): Likewise.
(expand_builtin_strlen): Use get_insns instead of gen_sequence.
(expand_builtin_saveregs): Use emit_insn_foo, fix comments.
(expand_builtin_expect_jump): Use get_insns and fix comments.
* calls.c (try_to_integrate): Use emit_insn_foo.
(expand_call, emit_library_call_value_1): Likewise.
* expr.c (emit_queue): Handle insn lists instead of SEQUENCE.
(emit_move_insn_1): Use get_insns instead of gen_sequence.
(expand_expr): Use emit_insn_foo.
* cfgrtl.c (commit_one_edge_insertion): Use emit_insn_foo.
* except.c (build_post_landing_pads): Likewise.
* flow.c (attempt_auto_inc): Likewise.
* stmt.c (expand_fixup, fixup_gotos, expand_nl_handler_label,
expand_nl_goto_receivers, expand_decl_cleanup): Likewise.
* function.c (fixup_var_refs_insn): Use get_insns instead of
gen_sequence.
(fixup_var_refs_1): Likewise and expect insn list from gen_foo.
(fixup_memory_subreg): Use get_insns instead of gen_sequence.
(fixup_stack_1, purge_addressof_1, expand_main_function,
get_arg_pointer_save_area): Likewise.
(optimize_bit_field, instantiate_virtual_regs_1, assign_parms,
expand_function_end): Use emit_insn_foo.
(record_insns, keep_stack_depressed): Work with insn list instead
of SEQUENCE, fix comments.
* ifcvt.c (noce_emit_store_flag, noce_try_store_flag,
noce_try_store_flag_constants, noce_try_store_flag_inc,
noce_try_store_flag_mask, noce_emit_cmove, noce_try_cmove_arith,
noce_try_minmax, noce_try_abs): Use emit_insn_foo.
(noce_process_if_block): Use get_insns instead of gen_sequence.
* optabs.c (add_equal_note): Work with insn list, fix comments.
(expand_binop): Expect insn list from GEN_FCN(), use emit_insn_foo.
(expand_unop, expand_complex_abs, expand_unop_insn,
expand_no_conflict_block): Likewise.
(gen_move_insn): Use get_insns instead of gen_sequence.
(gen_cond_trap): Likewise.
* integrate.c (copy_rtx_and_substitute): Likewise.
(emit_initial_value_sets): Use emit_insn_foo.
* reload1.c (emit_output_reload_insns, emit_reload_insns): Likewise.
(fixup_abnormal_edges): Avoid losing REG_NOTES more intelligently
now that RTL generators give insn lists.
* sibcall.c (replace_call_placeholder): Use emit_insn_foo.
* doloop.c (doloop_modify, doloop_modify_runtime): Use get_insns
instead of gen_sequence.
(doloop_optimize): Work with insn lists instead of SEQUENCE rtl.
* explow.c (emit_stack_save, emit_stack_restore): Use get_insns
instead of gen_sequence.
* loop.c (move_movables, emit_prefetch_instructions,
gen_add_mult, check_dbra_loop, gen_load_of_final_value):
Likewise.
(loop_regs_update): Work with insn list instead of SEQUENCE rtl.
(product_cheap_p): Likewise, and add commentary about RTL wastage
here.
* lcm.c (optimize_mode_switching): Use get_insns instead of
gen_sequence.
* profile.c (gen_edge_profiler): Likewise.
* regmove.c (copy_src_to_dest): Likewise.
* reg-stack.c (compensate_edge): Likewise and fix comment.
* gcse.c (process_insert_insn): Likewise.
(insert_insn_end_bb): Work with insn list instead of SEQUENCE rtl.
* jump.c (delete_prior_computation): Update comment.
* genemit.c (gen_expand, gen_split, main): Use get_insns instead
of gen_sequence, update comments to match.
* recog.c (peephole2_optimize): Work with insn lists instead of
SEQUENCE rtl.
* sched-vis.c (print_pattern): Abort on SEQUENCE.
* unroll.c (unroll_loop, find_splittable_givs, final_giv_value):
Use get_insns instead of gen_sequence.
(copy_loop_body): Likewise and don't emit dummy NOTE.
* genrecog.c: Don't mention SEQUENCE rtl in comments.
* combine.c (try_combine): Expect insn lists from split generator.
* reorg.c (relax_delay_slots): Emit SEQUENCE into insn list by
hand.
From-SVN: r54497
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last_basic_block++ instead.
2002-06-10 Roger Sayle <roger@eyesopen.com>
Andreas Jaeger <aj@suse.de>
* cfgrtl.c (create_basic_block_structure): Remove index argument
and use last_basic_block++ instead. (create_basic_block): Update.
* cfgbuild.c (find_basic_blocks_1): Likewise.
* cfgrtl.c (compute_bb_for_insn): Remove unused "max" argument.
* haifa-sched.c (sched_init): Update compute_bb_for_insn caller.
* sched-ebb.c (schedule_ebbs): Likewise.
* sched-rgn.c (schedule_insns): Likewise.
* ssa-ccp.c (ssa_const_prop): Likewise.
* ssa-dcs.c (ssa_eliminate_dead_code): Likewise.
* toplev.c (rest_of_compilation): Likewise.
* config/ia64/ia64.c (ia64_reorg): Likewise.
Co-Authored-By: Andreas Jaeger <aj@suse.de>
From-SVN: r54477
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* loop.c (emit_prefetch_instructions): Properly place the address computation.
* basic-block.h (basic_block_for_insn, BLOCK_FOR_INSN): Kill.
(set_block_for_insn): Turn into macro.
* cfgbuild.c (find_basic_block): Do not clear basic_block_for_insn.
* cfglayout.c (insn_scopes): Kill.
(scope_to_insns_initialize): Do not use insn_scopes.
(scope_to_insns_finalize): Likewise.
(duplicate_insn_chain): Likewise.
(cfg_layout_initialize, cfg_layout_finalize): Do not turn scopes to notes.
* cfgrtl.c (basic_block_for_insn): Kill.
(delete_insn_and_edges, delete_insn_chain_and_edges): Simplify.
(create_basic_block_structure): Use reorder_insns.
(compute_bb_for_insn): Do not use basic_block_for_insn.
(merge_blocks_nomove): Likewise.
(update_bb_for_insn): Likewise.
(verify_flow_info): Likewise.
(set_block_for_insn): Kill.
* combine.c (try_combine): Update gen_rtx_INSN call.
* emit-rtl.c (gen_label_rtx): Update gen_rtx_CODE_LABEL call.
(mark_insn_raw, make_jump_insn_raw, make_call_insn_raw): Clear
scopes and BBs.
(add_insn_after, add_insn_before, remove_insn, reorder_insns): Simplify.
(emit_note_before, emit_note_after, emit_line_note_after, emit_note):
Clear BB.
(emit_insns_after): Simplify.
(emit_copy_of_insn_after): Copy scope.
* final.c (final_start_function): Lower scopes.
* flow.c (check_function_return_warnings): Do not rely on deleted insn.
* integrate.c (copy_insn_list): Cope scopes.
* jump.c (duplicate_loop_exit_test): LIkewise; simplify.
* loop.c (loop_optimize): Do not care block notes.
* print-rtl.c (print_rtx): Print BB.
* recog.c (apply_change_group): Simplify.
* rtl.c (copy_rtx): Handle 'B'.
* rtl.def (INSN, CALL_INSN, JUMP_INSN, NOTE): Add extra fields.
* rtl.h (Field accessors): Update indexes.
* sched-ebb.c (schedule_ebbs): Do not lower notes.
* sched-rgn.c (schedule_insns): Likewise.
* toplev.c (rest_of_compilation): Lower notes.
* unroll.c (unroll_loop): Do not care scoping notes.
(copy_loop_body): Copy scopes.
From-SVN: r54188
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* cfgrtl.c (commit_one_edge_insertion): Fix warning.
* gcse.c (bypass_conditional_jumps): CSE out single_set call.
From-SVN: r54175
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* basic-block.h (last_basic_block): Declare.
(expunge_block_nocompact): Declaration removed.
(compact_blocks): Declare.
* cfg.c (last_basic_block): New variable.
(expunge_block_nocompact): Removed.
(expunge_block): Do not compact basic blocks.
(compact_blocks): New.
* cfganal.c (flow_call_edges_add): Use the fact that bb indices no
longer change.
* cfgbuild.c (find_basic_blocks_1, find_basic_blocks): Set
last_basic_block.
* cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Do not change
real positions of blocks.
(delete_unreachable_blocks): Simplified -- quadratic behavior now
cannot occur.
(cleanup_cfg): Compact blocks.
* cfgrtl.c (create_basic_block): Insert basic blocks to the end of
basic_block_info varray.
(flow_delete_block): Comment update.
(back_edge_of_syntactic_loop_p): Modify position check code.
(verify_flow_info): Update checking.
* flow.c (calculate_global_regs_live): Use FOR_EACH_BB.
* ifcvt.c (SET_ORIG_INDEX, ORIG_INDEX): Removed.
(find_if_case_1, find_if_case_2, if_convert): Use the fact that bb
indices no longer change.
* lcm.c (optimize_mode_switching): Replace n_basic_blocks with
last_basic_block.
* predict.c (estimate_bb_frequencies): Remove unneccessary code.
* profile.c (branch_prob): Compact blocks.
* sched-rgn.c (find_rgns): Replace n_basic_blocks with
last_basic_block.
From-SVN: r53957
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* basic-block.h (last_basic_block): Defined as synonym for
n_basic_blocks.
* cfganal.c (mark_dfs_back_edges, flow_reverse_top_sort_order_compute,
flow_depth_first_order_compute, flow_preorder_transversal_compute,
flow_dfs_compute_reverse_init): Replaced relevant occurences of
n_basic_blocks with last_basic_block.
* cfgbuild.c (make_edges): Likewise.
* cfgloop.c (flow_loop_scan, flow_loops_find): Likewise.
* cfgrtl.c (verify_flow_info, purge_all_dead_edges): Likewise.
* combine.c (combine_instructions): Likewise.
* df.c (df_alloc, df_analyse_1, df_analyse, iterative_dataflow_sbitmap,
iterative_dataflow_bitmap): Likewise.
* dominance.c (init_dom_info, calc_dfs_tree_nonrec, calc_dfs_tree,
calc_idoms, idoms_to_doms): Likewise.
* flow.c (update_life_info_in_dirty_blocks, free_basic_block_vars):
Likewise.
* gcse.c (gcse_main, alloc_gcse_mem, compute_local_properties,
compute_hash_table, expr_reaches_here_p, one_classic_gcse_pass,
one_cprop_pass, compute_pre_data, pre_expr_reaches_here_p,
one_pre_gcse_pass, compute_transpout, delete_null_pointer_checks_1,
delete_null_pointer_checks, compute_code_hoist_vbeinout,
hoist_expr_reaches_here_p, hoist_code, one_code_hoisting_pass,
compute_store_table, build_store_vectors): Likewise.
* haifa-sched.c (sched_init): Likewise.
* ifcvt.c (if_convert): Likewise.
* lcm.c (compute_antinout_edge, compute_laterin, compute_insert_delete,
pre_edge_lcm, compute_available, compute_nearerout,
compute_rev_insert_delete, pre_edge_rev_lcm, optimize_mode_switching):
Likewise.
* predict.c (estimate_probability, process_note_prediction,
note_prediction_to_br_prob): Likewise.
* profile.c (GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): Likewise.
* recog.c (split_all_insns, peephole2_optimize): Likewise.
* regrename.c (copyprop_hardreg_forward): Likewise.
* resource.c (init_resource_info): Likewise.
* sched-rgn.c (build_control_flow, find_rgns, compute_trg_info,
init_regions, schedule_insns): Likewise.
* ssa-ccp.c (ssa_const_prop): Likewise.
* ssa-dce.c (ssa_eliminate_dead_code): Likewise.
* ssa.c (compute_dominance_frontiers,
compute_iterated_dominance_frontiers, convert_to_ssa): Likewise.
* df.c (df_refs_unlink): Fix FOR_EACH_BB usage (in #if 0'ed code)
* gcse.c (alloc_rd_mem, alloc_avail_expr_mem): Use n_blocks for vector
sizes consistently.
From-SVN: r53924
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over basic block chain.
* bb-reorder.c (make_reorder_chain, make_reorder_chain_1):
Use FOR_EACH_BB macros to iterate over basic block chain.
* cfg.c (clear_edges, clear_bb_flags, dump_flow_info,
alloc_aux_for_blocks, clear_aux_for_blocks, alloc_aux_for_edges):
Likewise.
* cfganal.c (set_edge_can_fallthru_flag, flow_call_edges_add,
find_unreachable_blocks, create_edge_list, verify_edge_list,
remove_fake_edges, add_noreturn_fake_exit_edges,
flow_preorder_transversal_compute, flow_dfs_compute_reverse_execute):
Likewise.
* cfgbuild.c (make_edges, find_basic_blocks, find_many_sub_basic_blocks,
find_sub_basic_blocks): Likewise.
* cfgcleanup.c (try_optimize_cfg, delete_unreachable_blocks):
Likewise.
* cfglayout.c (record_effective_endpoints, cleanup_unconditional_jumps):
Likewise.
* cfgloop.c (flow_loops_cfg_dump, flow_loops_find):
Likewise.
* cfgrtl.c (compute_bb_for_insn, tidy_fallthru_edges,
commit_edge_insertions, commit_edge_insertions_watch_calls,
print_rtl_with_bb, verify_flow_info, purge_all_dead_edges): Likewise.
* combine.c (combine_instructions, reg_dead_at_p): Likewise.
* conflict.c (conflict_graph_compute): Likewise.
* df.c (df_bitmaps_alloc, df_bitmaps_free, df_alloc, df_analyse_1,
df_modified_p, df_refs_unlink, df_dump): Likewise.
* dominance.c (calc_dfs_tree, calculate_dominance_info): Likewise.
* final.c (compute_alignments): Likewise.
* flow.c (update_life_info, update_life_info_in_dirty_blocks,
delete_noop_moves, calculate_global_regs_live, allocate_bb_life_data,
count_or_remove_death_notes): Likewise.
* gcse.c (oprs_unchanged_p, record_last_reg_set_info,
compute_hash_table, compute_kill_rd, compute_rd, compute_ae_kill,
classic_gcse, compute_transp, cprop, compute_pre_data,
compute_transpout, invalidate_nonnull_info,
delete_null_pointer_checks_1, delete_null_pointer_checks,
compute_code_hoist_vbeinout, hoist_code, compute_ld_motion_mems,
compute_store_table, build_store_vectors, store_motion): Likewise.
* global.c (global_conflicts, mark_elimination): Likewise.
* graph.c (print_rtl_graph_with_bb): Likewise.
* haifa-sched.c (sched_init): Likewise.
* ifcvt.c (if_convert): Likewise.
* lcm.c (compute_antinout_edge, compute_laterin, compute_insert_delete,
compute_available, compute_nearerout, compute_rev_insert_delete,
optimize_mode_switching): Likewise.
* local-alloc.c (local_alloc, update_equiv_regs): Likewise.
* predict.c (estimate_probability, note_prediction_to_br_prob,
propagate_freq, counts_to_freqs, expensive_function_p,
estimate_bb_frequencies): Likewise.
* profile.c (instrument_edges, get_exec_counts,
compute_branch_probabilities, compute_checksum, branch_prob,
find_spanning_tree): Likewise.
* recog.c (split_all_insns, peephole2_optimize): Likewise.
* reg-stack.c (reg_to_stack, convert_regs_entry, convert_regs):
Likewise.
* regclass.c (scan_one_insn, regclass): Likewise.
* regmove.c (mark_flags_life_zones, regmove_optimize,
record_stack_memrefs): Likewise.
* regrename.c (regrename_optimize, copyprop_hardreg_forward): Likewise.
* reload1.c (reload, reload_combine, fixup_abnormal_edges): Likewise.
* resource.c (find_basic_block): Likewise.
* sched-ebb.c (schedule_ebbs): Likewise.
* sched-rgn.c (is_cfg_nonregular, build_control_flow,
find_single_block_region, find_rgns, schedule_insns)
* sibcall.c (optimize_sibling_and_tail_recursive_call)
* ssa-ccp.c (optimize_unexecutable_edges,
ssa_ccp_df_delete_unreachable_insns): Likewise.
* ssa-dce.c (ssa_eliminate_dead_code): Likewise.
* ssa.c (find_evaluations, compute_dominance_frontiers_1,
rename_block, convert_to_ssa, compute_conservative_reg_partition,
compute_coalesced_reg_partition, rename_equivalent_regs,
convert_from_ssa): Likewise.
* config/ia64/ia64.c (emit_predicate_relation_info, process_epilogue,
process_for_unwind_directive): Likewise.
* df.c (FOR_ALL_BBS): Removed.
* gcse.c (struct null_pointer_info): Type of current_block field
changed.
(struct reg_avail_info): Type of last_bb field changed.
* config/ia64/ia64.c (block_num): Removed.
(need_copy_state): Type changed.
(last_block): New.
From-SVN: r53804
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* cfgbuild.c: Fix formatting.
* cfg.c: Likewise.
* cfgcleanup.c: Likewise.
* cfglayout.c: Likewise.
* cfgloop.c: Likewise.
* cfgrtl.c: Likewise.
From-SVN: r53717
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* bb-reorder.c (make_reorder_chain_1): Modified.
* cfganal.c (can_fallthru, flow_call_edges_add,
flow_preorder_transversal_compute): Modified.
* cfgbuild.c (make_edges, find_basic_blocks, find_many_sub_basic_blocks,
find_sub_basic_blocks): Modified.
* cfgcleanup.c (try_simplify_condjump, try_optimize_cfg): Modified.
* cfglayout.c (skip_insns_after_block, fixup_reorder_chain,
fixup_fallthru_exit_predecessor, cfg_layout_redirect_edge): Modified.
* cfgrtl.c (tidy_fallthru_edges, verify_flow_info): Modified.
* combine.c (this_basic_block): Type changed to basic_block.
(combine_instructions, set_nonzero_bits_and_sign_copies, try_combine,
nonzero_bits, num_sign_bit_copies, get_last_value_validate,
get_last_value, distribute_notes, distribute_links): Modified.
* final.c (compute_alignments): Modified.
* flow.c (regno_uninitialized, regno_clobbered_at_setjmp): Modified.
* function.c (thread_prologue_and_epilogue_insns): Modified.
* gcse.c (compute_code_hoist_vbeinout): Modified.
* global.c (build_insn_chain): Modified.
* ifcvt.c (find_if_block, find_cond_trap): Modified.
* predict.c (last_basic_block_p, note_prediction_to_br_prob): Modified.
* regmove.c (regmove_optimize): Modified.
* resource.c (find_basic_block): Modified.
* sched-ebb.c (schedule_ebbs): Modified.
* ssa-dce.c (find_control_dependence, find_pdom): Modified.
From-SVN: r53695
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* basic_block.h (struct basic_block_def): Added prev_bb and next_bb
fields.
(FOR_BB_BETWEEN, FOR_ALL_BB, FOR_ALL_BB_REVERSE): New macros for
traversing basic block chain.
(create_basic_block_structure, create_basic_block): Declaration changed.
(link_block, unlink_block): Declare.
* cfg.c (entry_exit_blocks): Initialize new fields.
(link_block, unlink_block): New.
(expunge_block_nocompact): Unlink basic block.
(dump_flow_info): Print prev_bb/next_bb fields.
* cfgbuild.c (find_basic_blocks_1, find_basic_blocks): Modified.
* cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Modified.
* cfglayout.c (fixup_reorder_chain, cfg_layout_duplicate_bb): Modified.
* cfgrtl.c (create_basic_block_structure, create_basic_block,
split_block, force_nonfallthru_and_redirect, split_edge): Modified.
(verify_flow_info): Check that list agrees with numbering.
From-SVN: r53642
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From-SVN: r53537
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From-SVN: r53522
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From-SVN: r53521
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gotos.
* cfgrtl.c (purge_dead_edges): Handle abnormal call edges created
by non-local gotos.
* recog.c (peephole2_optimize): Likewise.
From-SVN: r53438
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* cfganal.c (can_fallthru): Fix fast path.
* cfgrtl.c (verify_flow_info): Avoid crash on conditionals
with edges to the next block.
From-SVN: r53327
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* cfglayout.c (function_tail_eff_head): Rename to ...
(function_footer): ... this one.
(unlink_insn_chain): New functions.
(label_for_bb): Only call block_label and emit debug message.
(record_effective_endpoints): Actually unlink the headers and footers.
(fixup_reorder_cahin): Re-insert the unlinked sequences.
(cfg_layout_duplicate_bb): Use duplicate_insn_chain.
* cfglayout.h (struct reorder_block_def): New fields footer/header;
remove eff_head/eff_end.
* rtl.h (set_first_insn): Declare.
* emit-rtl.c (set_first_insn): New function.
* cfglayout.c (fixup_reorder_chain): Dump duplicated
(cfg_layout_can_duplicate_bb_p, cfg_layout_rerirect_edge,
cfg_layout_duplicate_bb): New global function.
(duplicate_insn_chain): New static function.
* cfglayout.h (cfg_layout_can_duplicate_bb_p, cfg_layout_rerirect_edge,
cfg_layout_duplicate_bb): Declare.
(struct reorder_block_def): Add "original" field.
* emit-rtl.c (emit_copy_of_insn_after): New function.
* rtl.h (emit_copy_of_insn_after): Declare.
* cfglayout.c (fixup_fallthru_exit_predecessor): Kill.
(fixup_reorder_chain): properly handle edges to exit block.
Wed May 8 11:10:31 CEST 2002 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>
Jan Hubicka <jh@suse.cz>
* basic-block.h (note_prediction_to_br_prob): declare.
* c-semantics.c: Inlucde predit.h
(expand_stmt): predict GOTO_STMT as not taken.
* cfgcleanup.c: (delete_unreachable_blocks): Make global.
(cleanup_cfg): Do not free tail_recursion_list.
* cfgrtl.c (can_delete_note_p): Delete NOTE_INSN_PREDICTION.
(flow_delete_block): Kill predictions past end of basic block.
* output.h (delete_unreachable_blocks): Declare.
* predict.c (predicted_by_p, process_note_predictions,
process_note_prediction, last_block_p): New function.
(estimate_probability): Bypass loop on PRED_CONTINUE;
do not handle noreturn heuristics; kill PRED_RETURN; add
PRED_EARLY_RETURN.
* predict.def (PRED_CONTINUE, PRED_EARLY_RETURN, PRED_GOTO,
PRED_CONST_RETURN, PRED_NEGATIVE_RETURN, PRED_NULL_RETURN): New.
* predict.h (IS_TAKEN): New constant.
* print-rtl.c (print_rtx): Pretty print NOTE_INSN_PREDICTION.
* rtl.c (NOTE_INSN_PREDICTION): New.
* rtl.h (NOTE_PREDICTION, NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS):
New macro.
(insn_note): add NOTE_INSN_PREDICTION.
* sibcall.c (optimize_sibling_and_tail_recursive_call): Do not build
CFG; free tail_recursion_label_list.
* stmt.c: Include predict.h;
(return_prediction): New.
(expand_value_return): Use it.
* toplev.c: Lower NOTE_INSN_PREDICTION before sibcall.
From-SVN: r53285
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reload.
* cfgrtl.c (try_redirect_by_replacing_jump): Do not kill computed
jumps post reload.
* toplev.c (rest_of_compilation): Revert Richard's patch.
From-SVN: r53052
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