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* 2002-07-15 Michael Matz <matz@suse.de>,matz2002-07-151-2/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Daniel Berlin <dberlin@dberlin.org>, Denis Chertykov <denisc@overta.ru> Add a new register allocator. * ra.c: New file. * ra.h: New file. * ra-build.c: New file. * ra-colorize.c: New file. * ra-debug.c: New file. * ra-rewrite.c: New file. * Makefile.in (ra.o, ra-build.o, ra-colorize.o, ra-debug.o, (ra-rewrite.o): New .o files for libbackend.a. (GTFILES): Add basic-block.h. * toplev.c (flag_new_regalloc): New. (f_options): New option "new-ra". (rest_of_compilation): Call initialize_uninitialized_subregs() only for the old allocator. If flag_new_regalloc is set, call new allocator, instead of local_alloc(), global_alloc() and friends. * doc/invoke.texi: Document -fnew-ra. * basic-block.h (FOR_ALL_BB): New. * config/rs6000/rs6000.c (print_operand): Write small constants as @l+80. * df.c (read_modify_subreg_p): Narrow down cases for a rmw subreg. (df_reg_table_realloc): Make size at least as large as max_reg_num(). (df_insn_table_realloc): Size argument now is absolute, not relative. Changed all callers. * gengtype.c (main): Add the pseudo-type "HARD_REG_SET". * regclass.c (reg_scan_mark_refs): Ignore NULL rtx's. 2002-06-20 Michael Matz <matz@suse.de> * df.h (struct ref.id): Make unsigned. * df.c (df_bb_reg_def_chain_create): Remove unsigned cast. 2002-06-13 Michael Matz <matz@suse.de> * df.h (DF_REF_MODE_CHANGE): New flag. * df.c (df_def_record_1, df_uses_record): Set this flag for refs involving subregs with invalid mode changes, when CLASS_CANNOT_CHANGE_MODE is defined. 2002-05-07 Michael Matz <matz@suse.de> * reload1.c (fixup_abnormal_edges): Don't insert on NULL edge. 2002-05-03 Michael Matz <matz@suse.de> * sbitmap.c (sbitmap_difference): Accept sbitmaps of different size. Sat Feb 2 18:58:07 2002 Denis Chertykov <denisc@overta.ru> * regclass.c (regclass): Work with all regs which have sets or refs. (reg_scan_mark_refs): Count regs inside (clobber ...). 2002-01-04 Michael Matz <matzmich@cs.tu-berlin.de> * df.c (df_ref_record): Correctly calculate SUBREGs of hardregs. (df_bb_reg_def_chain_create, df_bb_reg_use_chain_create): Only add new refs. (df_bb_refs_update): Don't clear insns_modified here, ... (df_analyse): ... but here. * sbitmap.c (dump_sbitmap_file): New. (debug_sbitmap): Use it. * sbitmap.h (dump_sbitmap_file): Add prototype. 2001-08-07 Daniel Berlin <dan@cgsoftware.com> * df.c (df_insn_modify): Grow the UID table if necessary, rather than assume all emits go through df_insns_modify. 2001-07-26 Daniel Berlin <dan@cgsoftware.com> * regclass.c (reg_scan_mark_refs): When we increase REG_N_SETS, increase REG_N_REFS (like flow does), so that regclass doesn't think a reg is useless, and thus, not calculate a class, when it really should have. 2001-01-28 Daniel Berlin <dberlin@redhat.com> * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP_REV): New macro, needed for dataflow analysis. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55458 138bc75d-0d04-0410-961f-82ee72b054a4
* Revert "Basic block renumbering removal", and two followup patches.rth2002-05-171-2/+2
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53537 138bc75d-0d04-0410-961f-82ee72b054a4
* Basic block renumbering removal.rth2002-05-161-2/+2
| | | | git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53522 138bc75d-0d04-0410-961f-82ee72b054a4
* * df.c (df_ref_create, df_ref_record_1, df_ref_record): Kill BB argument.hubicka2002-01-251-3/+2
| | | | | | | | | | | | * df.h (struct ref): Kill B. (DF_REF_BB, DF_REF_BBNO): Use BLOCK_FOR_INSN. * basic-block.h (PROP_EQUAL_NOTES): New flag. * flow.c (propagate_one_insn): Use it. (mark_used_regs): Handle NIL. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@49220 138bc75d-0d04-0410-961f-82ee72b054a4
* * df.h (transfer_function_sbitmap): Use PARAMS around argumentlaw2001-11-261-4/+4
| | | | | | | | list in function prototypes. (transfer_function_bitmap): Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@47350 138bc75d-0d04-0410-961f-82ee72b054a4
* * gcse.c (try_replace_reg): Copy RTX before creating note.hubicka2001-11-191-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | * df.h (df_ref_flags): New uenum. (DF_REF_FLAGS): New macro. (struct ref): Add field "flags". * df.c (HANDLE_SUBREG): Remove. (df_ref_create): Likewise; set flags field of ref. (df_def_record_1): Strip down read_write subreg; remove commented out code; set READ_WRITE flag. (read_modify_subreg_p): New static function. (df_uses_record): Cleanup SET handling; set READ_WRITE flag; new argument "flags". (df_insn_refs_record): Update call of df_uses_record. (df_insn_modify): Avoid #if 0 around comment. (df_dump): Dump the read/write flag. * predict.c (propagate_freq): Make cyclic_probability and frequency volatile * i386.c (ix86_cc_mode): Accept USE. * cfgrtl.c (purge_dead_edges): Cleanup EDGE_ABNORMAL flag if computed jump is turned into simplejump. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@47175 138bc75d-0d04-0410-961f-82ee72b054a4
* 2001-11-07 Daniel Berlin <dan@cgsoftware.com>dberlin2001-11-071-6/+38
| | | | | | | | | | | | | | | | | | | | | | | | | * Makefile.in (df.o): Add fibheap.h to dependencies. * df.h: Add prototypes for transfer functions, iterative_dataflow functions. (enum df_flow_dir): New enum. (enum df_confluence_op): New enum. (struct df): Add inverse_rts_map. * df.c: Add sbitmap.h to the list of includes. (df_rd_global_compute): Removed. (df_ru_global_compute): Removed. (df_lr_global_compute): Removed. (df_rd_transfer_function): New function. (df_ru_transfer_function): New function. (df_lr_transfer_function): New function. (df_analyse_1): allocate/compute/free df->inverse_rts_map. Use iterative_dataflow_bitmap instead of df_*_global_compute. (iterative_dataflow_sbitmap): New function. (iterative_dataflow_bitmap): New function. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46827 138bc75d-0d04-0410-961f-82ee72b054a4
* * lcm.c (optimize_mode_switching): Do not rebuild liveness informationhubicka2001-10-301-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | when no changes has been made. * gcse.c (reg_set_bitmap): Turn into reg_set. (modify_mem_list_set, canon_modify_mem_list_set) (clear_modify_mem_tables, free_modify_mem_tables): New. (gcse_main); Use free_modify_mem_tables. (free_gcse_mem): Likewise; free the bitmaps. (alloc_gcse_main): Initialize the bitmaps. (canon_list_insert): Set canon_modify_mem_list_set. (record_last_mem_set_info): Likewise; set modify_mem_list_set. (compute_hash_table): Use clear_modify_mem_tables. (reset_opr_set_tables): Likewise. (oprs_not_set_p): reg_set_bitmap is regset. (mark_set, mark_clobber): Likewise. * df.h (DF_EQUIV_NOTES): New constant. (df_insn_refs_record): Record uses inside or REG_EQUIV/EQUAL notes when asked for. * sched-rgn.c (CHECK_DEAD_NOTES): New constant. (init_regions, schedule_insns): Conditionalize the checking code by CHECK_DEAD_NOTES; avoid multiple calls to update_life_info. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46634 138bc75d-0d04-0410-961f-82ee72b054a4
* * ChangeLog.0, ChangeLog.1, ChangeLog.2, ChangeLog.3, ChangeLog.4,jsm282001-10-281-1/+1
| | | | | | | | | | | | ChangeLog.5, ChangeLog, ChangeLog.lib, FSFChangeLog.10, ONEWS, c-common.c, caller-save.c, cfg.c, cfgcleanup.c, cfgrtl.c, collect2.c, df.h, diagnostic.h, final.c, gcse.c, gthr.h, haifa-sched.c, jump.c, local-alloc.c, profile.c, protoize.c, regmove.c, reload1.c, rtlanal.c, sched-vis.c, ssa.c, stmt.c, system.h, toplev.c: Fix spelling errors. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46580 138bc75d-0d04-0410-961f-82ee72b054a4
* 2001-08-28 Daniel Berlin <dan@cgsoftware.com>dberlin2001-08-281-0/+1
| | | | | | | | | | | | | | | | | | | * df.h (struct df): Add rts_order variable. * df.c (df_visit_next_rts): New function. (df_visit_next): Renamed to df_visit_next_rc (df_analyse_1): Allocate/compute/free rts_order as well. (df_rd_global_compute): Use df_visit_next_rc instead of df_visit_next. (df_ru_global_compute): Use df_visit_next_rts instead of df_visit_next. * flow.c (flow_reverse_top_sort_order_compute): New function. * basic-block.h: Add prototype. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45246 138bc75d-0d04-0410-961f-82ee72b054a4
* * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,gerald2001-08-221-12/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | bitmap.h, builtin-types.def, builtins.c, builtins.def, c-aux-info.c, c-common.c, c-common.def, c-common.h, c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c, c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in, c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c, caller-save.c, calls.c, collect2.c, collect2.h, combine.c, conditions.h, config.gcc, configure.frag, configure.in, conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c, cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h, dependence.c, df.c, df.h, diagnostic.c, diagnostic.h, doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c, dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c, emit-rtl.c, errors.c, errors.h, except.c, except.h, exgettext, explow.c, expmed.c, expr.c, expr.h, final.c, fixproto, flags.h, flow.c, fold-const.c, fp-test.c, function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp, gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c, gencheck.c, gencodes.c, genconfig.c, genemit.c, genextract.c, genflags.c, gengenrtl.c, genmultilib, genopinit.c, genoutput.c, genpeep.c, genrecog.c, gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c, ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c, graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h, gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h, gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h, hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h, integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c, libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h, machmode.def, machmode.h, main.c, mbchar.c, mbchar.h, mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk, mkmap-symver.awk, optabs.c, output.h, params.c, params.def, params.h, predict.c, predict.def, predict.h, prefix.c, prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c, read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c, regclass.c, regmove.c, regrename.c, regs.h, reload.c, reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c, rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h, sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c, sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c, ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c, stringpool.c, system.h, timevar.c, timevar.def, timevar.h, tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h, tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h, unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h, unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c, xcoffout.h: replace "GNU CC" with "GCC". git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@45105 138bc75d-0d04-0410-961f-82ee72b054a4
* * Makefile.in (OBJS): Add df.olaw2001-06-281-0/+297
(df.o): Add dependencies. * basic-block.h (flow_depth_first_order_compute): Declare. * flow.c (flow_depth_first_order_compute): No longer declare. Make external. * df.c, df.h: New files. * po/POTFILES.in: Update for new files. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@43647 138bc75d-0d04-0410-961f-82ee72b054a4
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