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* basic-block.h: Convert prototypes to ISO C90.
* c-parse.in: Likewise.
* c-pragma.h: Likewise.
* c-typeck.c: Likewise.
* cfghooks.h: Likewise.
* cfgloopanal.c: Likewise.
* dbxout.h: Likewise.
* debug.h: Likewise.
* dwarf2asm.h: Likewise.
* gcov.c: Likewise.
* gengtype-lex.l: Likewise.
* sched-int.h: Likewise.
* timevar.c: Likewise.
From-SVN: r69010
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* basic-block.h (create_basic_block, merge_blocks_nomove): Kill.
* cfgcleanup.c (merge_blocks): Rename to merge_blocks_move.
(merge_blocks_move_predecessor_nojumps,
merge_blocks_move_successor_nojumps): Use merge_blocks.
(try_optimize_cfg): Use merge_blocks_move.
* cfgrtl.c (create_basic_block): Rename to rtl_create_basic_block.
(merge_blocks_nomove): Rename to rtl_merge_blocks.
(cfg_layout_create_basic_block): New.
(rtl_can_merge_blocks): New.
(cfg_layout_split_block): Do not alloc aux by hand.
* cfghooks.h (cfg_hooks): Add create_basic_block, can_merge_blocks_p,
merge_blocks.
(create_basic_block, can_merge_blocks_p, merge_blocks): New macros.
* cfglayout.c (cfg_layout_duplicate_bb): Do not allocate aux by hand.
* cfgloopmanip.c (loop_split_edge_with): Likewise.
* ifcvt.c (merge_if_block): Use merge_blocks_nomove.
* basic-block.h (basic_block_def): Add field 'rbi'.
* bb-reorder.c (find_traces, rotate_loop, mark_bb_visited,
find_traces_1_round, copy_bb, connect_traces): Update use of rbi.
* cfg.c (entry_exit_blocks): Add new field.
* cfglayout.c: Include alloc-pool.h;
(cfg_layout_pool): New.
(record_effective_endpoints, fixup_reorder_chain,
fixup_fallthru_exit_predecessor, cfg_layout_duplicate_bb): Update use
of rbi.
(cfg_layout_initialize_rbi): New function.
(cfg_layout_initialize): Use it.
(cfg_layout_finalize): Clear rbi fields.
* cfglayout.h (RBI): Kill.
(cfg_layout_initialize_rbi): Declare.
* cfgloopmanip.c (copy_bbs): Use rbi.
(record_exit_edges): Likewise.
(duplicate_loop_to_header_edge): Likewise.
* cfgrtl.c (cfg_layout_create_basic_block): Use
cfg_layout_initialize_rbi.
(cfg_layout_split_block): Use rbi.
(cfg_layout_delete_block): Likewise.
* loop-init.c (loop_optimizer_finalize): Likewise.
* loop-unswitch.c (unswitch_loop): Likewise.
* tracer.c (seen, tail_duplicate, layout_superblocks): Likewise.
* cfgrtl.c: Update comments.
(try_redirect_by_replacing_jump): New argument.
(redirect_branch_edge): Break out from ...
(rtl_redirect_edge_and_branch): ... this one.
(update_cfg_after_block_merging): Break out from ...
(rtl_merge_blocks): ... this one.
(cfg_layout_split_edge): New.
(cfg_layout_merge_blocks): New.
(cfg_layout_can_merge_blocks_p): New.
(cfg_layout_redirect_edge_and_branch): Reorganize.
(cfg_layout_rtl_cfg_hooks): Fill in.
(cfg_layout_delete_block): Kill barriers.
* cfganal.c (can_fallthru): Deal with exit blocks
* cfglayout.c (cfg_layout_function_header): New function
(record_effective_endpoints): Record function header.
(fixup_reorder_chain): Fixup dead jumptables; place header
* basic-block.h (CLEANUP_CFGLAYOUT): New flag.
* bb-reorder.c (cfg_layout_initialize): Update call.
* cfgcleanup.c (try_optimize_cfg): Supress optimizations of fallthru
edges in cfglayout mode.
* cfglayout.c (cleanup_unconditional_jumps): Kill.
(cfg_layout_initialize): Kill agrument loops; use cfgcleanup.
* cfglayout.h (cfg_layout_initialize): Update prototype.
* cfgloop.h (CP_INSIDE_CFGLAYOUT): Kill.
* cfgloopmanip.c (loop_split_edge_with): Use split_edge.
* flow.c (propagate_block): Do not crash when basic block ends
by first insn in the chain.
* loop-init.c (loop_optimizer_init): First enter cfglayout mode; later
do loop discovery.
* tracer.c (tracer): Update call of cfg_layout_initialize.
From-SVN: r68899
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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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* 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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* 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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* 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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