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580 Commits

Author SHA1 Message Date
Richard Henderson
08ef543734 flow.c (print_rtl_and_abort): Remove. 
* flow.c (print_rtl_and_abort): Remove.
        (print_rtl_and_abort_fcn): Remove.
        (verify_local_live_at_start): Use dump_bb instead.
        (verify_wide_reg): Likewise. Take a basic_block, not rtl endpoints.
        (verify_wide_reg_1): Return 2 on mode test failure.

From-SVN: r49323
 2002-01-29 09:46:38 -08:00
Jan Hubicka
5a133afd40 df.c (df_ref_create, [...]): Kill BB argument. 
* df.c (df_ref_create, df_ref_record_1, df_ref_record): Kill BB argument.
	* 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.

From-SVN: r49220
 2002-01-25 19:46:43 +00:00
Graham Stott
60e8b9f0d1 calls.c (try_to_integrate): Use "(size_t)" intermediate cast and when casting an integer literal to "rtx"... 
* calls.c (try_to_integrate): Use "(size_t)" intermediate
        cast and when casting an integer literal to "rtx" pointer.
        (expand_call): Likewise.
        * flow.c (try_pre_increment): Likewise.
        (find_use_as_address): Likewise.
        * integrate.c (expand_iline_function): Likewise.
        * regmove.c (try_auto_increment): Likewise.

From-SVN: r48906
 2002-01-16 09:24:00 +00:00
Eric Christopher
31fce3c491 flow.c (propagate_one_insn): Change to use fatal_insn. 
2002-01-15  Eric Christopher  <echristo@redhat.com>

	* flow.c (propagate_one_insn): Change to use fatal_insn.

From-SVN: r48899
 2002-01-16 05:39:10 +00:00
Eric Christopher
4a913dd6b7 flow.c (propagate_one_insn): Add error message and print out insn for debugging. 
2002-01-15  Eric Christopher  <echristo@redhat.com>

	* flow.c (propagate_one_insn): Add error message and print out
	insn for debugging.

From-SVN: r48878
 2002-01-15 20:50:22 +00:00
Kazu Hirata
23d1aac4b5 except.c: Fix comment formatting. 
* except.c: Fix comment formatting.
	* flags.h: Likewise.
	* flow.c: Likewise.
	* predict.c: Likewise.
	* simplify-rtx.c: Likewise.
	* system.h: Likewise.
	* vmsdbg.h: Likewise.
	* vmsdbgout.c: Likewise.

From-SVN: r48349
 2001-12-28 18:17:54 +00:00
Aldy Hernandez
e817125dbb output.h (regno_uninitialized): Make argument unsigned. 
2001-12-11  Aldy Hernandez  <aldyh@redhat.com>

        * output.h (regno_uninitialized): Make argument unsigned.

        * flow.c (regno_uninitialized): Make regno unsigned.

From-SVN: r47910
 2001-12-12 01:53:44 +00:00
Aldy Hernandez
448cad060a flow.c (find_regno_partial): Indent properly. 
2001-12-11  Aldy Hernandez  <aldyh@redhat.com>

        * flow.c (find_regno_partial): Indent properly.  Add a default to
        switch.

From-SVN: r47892
 2001-12-11 20:17:55 +00:00
Joseph Myers
d6a7951f20 ChangeLog.2, [...]: Fix spelling errors. 
* ChangeLog.2, ChangeLog.3, ChangeLog.5, ChangeLog, alias.c,
	cfgbuild.c, expmed.c, expr.c, final.c, flow.c, fold-const.c,
	function.c, config/alpha/alpha.md, config/alpha/vms-ld.c,
	config/arm/arm.c, config/arm/arm.h, config/c4x/libgcc.S,
	config/i370/i370.c, config/i386/i386.c,
	config/i386/i386-interix.h, config/i386/i386.md,
	config/i386/i386.h, config/i386/netbsd-elf.h, config/ia64/ia64.c,
	config/m32r/m32r-protos.h, config/mcore/mcore.h,
	config/rs6000/rs6000.h, config/sparc/linux64.h,
	config/sparc/sparc.c, config/v850/v850-protos.h,
	config/cris/cris.h, config/s390/s390.md, config/elfos.h: Fix
	spelling errors.

From-SVN: r47815
 2001-12-09 20:13:19 +00:00
Andrew MacLeod
69da3e3a72 flow.c (find_regno_partial): Return register, not the expression the register is in. 
2001-12-06  Andrew MacLeod <amacleod@redhat.com>

	* flow.c (find_regno_partial): Return register, not the expression
	the register is in.

From-SVN: r47720
 2001-12-06 14:39:11 +00:00
Andrew MacLeod
0626ef8add rtl.h (initialize_uninitialized_subregs): New prototype. 
2001-12-04  Andrew MacLeod  <amacleod@redhat.com>

	* rtl.h (initialize_uninitialized_subregs): New prototype.
	* toplev.c (rest_of_compilation): Call initialize_uninitialized_subregs
	when optimization is on.
	* flow.c (find_regno_partial): Find subregs within an expression.
	(initialize_uninitialized_subregs): Initialize live on entry registers
	which are used in subreg expressions.

From-SVN: r47644
 2001-12-05 01:39:41 +00:00
Jakub Jelinek
b318748ff4 flow.c (ior_reg_cond): Return NULL if ! add and rtx wasn't optimized. 
* flow.c (ior_reg_cond): Return NULL if ! add and rtx wasn't optimized.
	Return correct value if one of the subexpressions was optimized to
	0 resp. 1.  Optimize (x | A) | x and (x & A) | x.
	(and_reg_cond): Similarly.

	* gcc.c-torture/compile/20011130-2.c: New test.

From-SVN: r47602
 2001-12-04 10:33:17 +01:00
Kaveh R. Ghazi
ec8e621da9 aix.h (REG_SIZE): Don't #undef. 
* ia64/aix.h (REG_SIZE): Don't #undef.
	* sparc.h (REG_SIZE): Delete.
	* flow.c (mark_used_regs): Don't use REG_SIZE.
	* regs.h (REG_SIZE): Delete.

From-SVN: r47378
 2001-11-27 15:32:18 +00:00
Joseph Myers
eaec9b3d7e ChangeLog.2, [...]: Fix spelling errors. 
* ChangeLog.2, ChangeLog.3, ChangeLog.4, ChangeLog.5, ChangeLog,
	cfg.c, cfganal.c, cfgcleanup.c, cfglayout.c, cfgloop.c, cfgrtl.c,
	collect2.c, combine.c, config.in, configure, configure.in,
	conflict.c, dwarf2out.c, dwarfout.c, except.c, final.c, flow.c,
	genattrtab.c, ggc-page.c, jump.c, lcm.c, predict.c, reg-stack.c,
	reload1.c, rtlanal.c, sched-rgn.c, toplev.c, unwind-dw2-fde.h: Fix
	spelling errors.

From-SVN: r46928
 2001-11-11 11:25:28 +00:00
Geoffrey Keating
ff6051b76e flow.c (insn_dead_p): Allow for AUTO_INC notes all the time. 
* flow.c (insn_dead_p): Allow for AUTO_INC notes all the time.

In testsuite/:

	* gcc.c-torture/execute/20011109-2.c: New test.

From-SVN: r46901
 2001-11-09 23:06:04 +00:00
Jan Hubicka
473fb060f3 basic-block.h (purge_all_dead_edges): Add update_life_p argument. 
* basic-block.h (purge_all_dead_edges): Add update_life_p argument.
	* cfgcleanup.c (merge_blocks): Update the life flag after merging;
	fix warning.
	* cfgrtl.c (purge_all_dead_edges): Allow updating of liveness.
	(life_analysis): call purge_all_dead_edges after deleting noops.
	(delete_noop_move): Do not purge CFG.
	* toplev.c (rest_of_compilation): Update purge_all_dead_edges call.

From-SVN: r46605
 2001-10-29 11:45:45 +00:00
Joseph Myers
ff7cc30768 ChangeLog.0, [...]: Fix spelling errors. 
* ChangeLog.0, ChangeLog.1, ChangeLog.2, ChangeLog.3, ChangeLog.4,
	ChangeLog.5, ChangeLog, FSFChangeLog.10, FSFChangeLog.11,
	c-common.c, c-common.h, c-parse.in, c-typeck.c, cfg.c, config.gcc,
	configure, configure.in, except.c, except.h, flow.c, function.c,
	gcc.c, gcse.c, genrecog.c, libgcc2.c, loop.c, loop.h, params.def,
	predict.def, predict.h, reg-stack.c, regmove.c, sched-deps.c,
	sched-int.h, sibcall.c, ssa.c, stringpool.c, toplev.c, tree.c,
	unroll.c: Fix spelling errors.

From-SVN: r46595
 2001-10-28 20:09:17 +00:00
Andreas Jaeger
16e99e29fc flow.c (clear_log_links): Remove unused variable. 
* flow.c (clear_log_links): Remove unused variable.
	* cfgcleanup.c (cleanup_cfg): Likewise.

From-SVN: r46537
 2001-10-26 11:20:01 +02:00
Richard Henderson
e9cf0934ea flow.c (clear_log_links): Use free_INSN_LIST_list, not free_EXPR_LIST_list for LOG_LINKS. 
* flow.c (clear_log_links): Use free_INSN_LIST_list, not
        free_EXPR_LIST_list for LOG_LINKS.

From-SVN: r46401
 2001-10-22 00:09:53 -07:00
Jan Hubicka
b932f770f7 basic-block.h (find_sub_basic_blocks): Use sbitmap parameter. 
* basic-block.h (find_sub_basic_blocks): Use sbitmap parameter.
	* cfgbuild.c (find_bb_boundaries, compute_outgoing_frequencies):
	Break out from ...
	(find_sub_basic_blocks): ... here;
	(find_many_sub_basic_blocks): New.
	* recog.c (split_all_insns): Update find_sub_basic_blocks call.

	* i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Define sdata4.

	* i386.c (ix86_va_arg): Kill indirect_p handling; fix aliasing issues.:

	* i386.c (split_di, split_ti): Revamp to use simplify_subreg.

	* timevar.def (TV_LIFE, TV_LIFE_UPDATE, TV_MODE_SWITCH): new.
	* flow.c (update_life_info): Measure time.
	* c-decl.c: Include timevar.h
	(c_expand_body): Measure time.
	* toplev.c (rest_of_compilation): Measure time of mode switching
	separately.
	* Makefile.in (c-decl.o, cfgcleanup.o): Add dependancy.

	* toplev.c (flag_asynchronous_unwind_tables): New global variable.
	(lang_independent_options): Add asynchronous-unwind-tables
	(toplev_main): flag_asynchronous_unwind_tables implies
	flag_unwind_tables.
	* flags.h (flag_asynchronous_unwind_tables): Declare.
	* dwarf2out.c (dwarf2out_stack_adjust): Take into account
	flag_asynchronous_unwind_tables.
	(output_call_frame_info): Likewise.
	* invoke.texi (-fasynchronous-unwind-tables): Document.
	* i386.c (optimization_options): Enable
	flag_asynchronous_unwind_tables.

	* i386.c (ix86_expand_setcc):  Always expect target to be QImode.
	* i386.md (s* expanders): Destination is QImode.

	* toplev.c (rest_of_compilation): Do not call clear_log_links.
	* rtl.h (clear_log_links): Kill.
	* flow.c (clear_log_links): Make static; accept blocks parameter;
	do no clear life info.
	(update_life_info): Call clear_log_links.

	* cfganal.c (forwarder_block_p): Avoid active_insn_p calls.

From-SVN: r46374
 2001-10-20 10:04:00 +00:00
John Wehle
eb9d8e4d0b rtlanal.c (noop_move_p): Insns with a REG_RETVAL note should not be considered as a no-op. 
* rtlanal.c (noop_move_p): Insns with a REG_RETVAL note
	should not be considered as a no-op.
	* flow.c (delete_noop_moves): Handle REG_LIBCALL notes.

From-SVN: r46174
 2001-10-11 03:51:24 +00:00
Stan Shebs
b36948478c alias.c: Remove uses of "register" specifier in declarations of arguments and local... 
2001-10-10  Stan Shebs  <shebs@apple.com>

        * alias.c: Remove uses of "register" specifier in declarations
        of arguments and local variables.
        * c-common.c: Ditto.
        * c-convert.c: Ditto.
        * c-decl.c: Ditto.
        * c-format.c: Ditto.
        * c-semantics.c: Ditto.
        * c-typeck.c: Ditto.
        * caller-save.c: Ditto.
        * calls.c: Ditto.
        * cfg.c: Ditto.
        * cfgbuild.c: Ditto.
        * cfgrtl.c: Ditto.
        * collect2.c: Ditto.
        * combine.c: Ditto.
        * convert.c: Ditto.
        * cppexp.c: Ditto.
        * cppfiles.c: Ditto.
        * cse.c: Ditto.
        * dbxout.c: Ditto.
        * defaults.h: Ditto.
        * df.c: Ditto.
        * dwarf2out.c: Ditto.
        * dwarfout.c: Ditto.
        * emit-rtl.c: Ditto.
        * explow.c: Ditto.
        * expmed.c: Ditto.
        * expr.c: Ditto.
        * final.c: Ditto.
        * fix-header.c: Ditto.
        * floatlib.c: Ditto.
        * flow.c: Ditto.
        * fold-const.c: Ditto.
        * function.c: Ditto.
        * gcc.c: Ditto.
        * gcse.c: Ditto.
        * gen-protos.c: Ditto.
        * genattrtab.c: Ditto.
        * gencheck.c: Ditto.
        * genconfig.c: Ditto.
        * genemit.c: Ditto.
        * genextract.c: Ditto.
        * genflags.c: Ditto.
        * gengenrtl.c: Ditto.
        * genoutput.c: Ditto.
        * genpeep.c: Ditto.
        * genrecog.c: Ditto.
        * gensupport.c: Ditto.
        * global.c: Ditto.
        * gmon.c: Ditto.
        * graph.c: Ditto.
        * haifa-sched.c: Ditto.
        * hard-reg-set.h: Ditto.
        * hash.c: Ditto.
        * integrate.c: Ditto.
        * jump.c: Ditto.
        * lists.c: Ditto.
        * local-alloc.c: Ditto.
        * loop.c: Ditto.
        * mips-tdump.c: Ditto.
        * mips-tfile.c: Ditto.
        * optabs.c: Ditto.
        * prefix.c: Ditto.
        * print-rtl.c: Ditto.
        * read-rtl.c: Ditto.
        * real.c: Ditto.
        * recog.c: Ditto.
        * reg-stack.c: Ditto.
        * regclass.c: Ditto.
        * regmove.c: Ditto.
        * reload.c: Ditto.
        * reload1.c: Ditto.
        * reorg.c: Ditto.
        * resource.c: Ditto.
        * rtl.c: Ditto.
        * rtlanal.c: Ditto.
        * scan.c: Ditto.
        * sched-deps.c: Ditto.
        * sched-rgn.c: Ditto.
        * sdbout.c: Ditto.
        * simplify-rtx.c: Ditto.
        * stmt.c: Ditto.
        * stor-layout.c: Ditto.
        * toplev.c: Ditto.
        * tradcif.y: Ditto.
        * tradcpp.c: Ditto.
        * tree.c: Ditto.
        * unroll.c: Ditto.
        * varasm.c: Ditto.
        * xcoffout.c: Ditto.

From-SVN: r46173
 2001-10-11 03:16:15 +00:00
Kaveh R. Ghazi
8b60264b0d builtins.c (expand_builtin_setjmp_receiver): Const-ify. 
* builtins.c (expand_builtin_setjmp_receiver): Const-ify.
	* c-common.c (fname_var_t, c_tree_code_type, c_tree_code_length):
	Likewise.
	* c-dump.c (dump_option_value_info): Likewise.
	* c-format.c (format_length_info, format_char_info,
	format_flag_spec, format_flag_pair, format_kind_info): Likewise.
	* collect2.c (names): Likewise.
	* cppdefault.h (default_include): Likewise.
	* cppexp.c (suffix, vsuf_1, vsuf_2, vsuf_3): Likewise.
	* flow.c (life_analysis): Likewise.
	* gcc.c (dir_separator_str, modify_target, option_map,
	target_option_translations, spec_list_1, extra_specs_1,
	init_spec): Likewise.
	* gcov.c (gcov_version_string): Likewise.
	* genattr.c (write_units): Likewise.
	* genattrtab.c (make_length_attrs, write_function_unit_info): Likewise.
	* gengenrtl.c (rtx_definition, defs): Likewise.
	* genrecog.c (pred_table): Likewise.
	* global.c (global_alloc): Likewise.
	* lcm.c (optimize_mode_switching): Likewise.
	* local-alloc.c (find_free_reg): Likewise.
	* params.h (param_info): Likewise.
	* predict.c (predictor_info): Likewise.
	* protoize.c (unexpansion_struct): Likewise.
	* real.c (bmask): Likewise.
	* recog.h (insn_operand_data, insn_data): Likewise.
	* regclass.c (initial_fixed_regs, initial_call_used_regs): Likewise.
	* stmt.c (expand_nl_goto_receiver): Likewise.
	* toplev.c (da, debug_args, lang_opt, documented_lang_options,
	target_switches, target_options): Likewise.
	* tradcif.y (token, tokentab2, yylex): Likewise.
	* tree.h (attribute_spec): Likewise.

	* alpha.c (override_options, alpha_lookup_xfloating_lib_func):
	Likewise.
	* arc.c (arc_output_function_epilogue): Likewise.
	* arm.c (processors, all_cores, all_architectures,
	arm_override_options, isr_attribute_arg, isr_attribute_args,
	arm_isr_value): Likewise.
	* avr.c (mcu_type_s, reg_class_tab, order_regs_for_local_alloc):
	Likewise.
	* c4x.c (c4x_int_reglist): Likewise.
	* d30v.c (override_options): Likewise.
	* h8300.c (shift_insn): Likewise.
	* i386.c (size_cost, i386_cost, i486_cost, pentium_cost,
	pentiumpro_cost, k6_cost, athlon_cost, pentium4_cost, ix86_cost,
	ix86_expand_sse_comi, ix86_expand_sse_compare, override_options,
	builtin_description, bdesc_comi, bdesc_2arg, bdesc_1arg,
	ix86_init_mmx_sse_builtins, ix86_expand_builtin): Likewise.
	* i386.h (processor_costs, ix86_cost): Likewise.
	* m68hc11.c (m68hc11_cost, m6811_cost, m6812_cost): Likewise.
	* m68hc11.h (processor_costs, m68hc11_cost): Likewise.
	* m68k.c (codes_68881, codes_FPA): Likewise.
	* m88k.c (mode_from_align, max_from_align, all_from_align,
	best_from_align, m_options): Likewise.
	* m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
	* mcore.c (mode_from_align): Likewise.
	* mips/elf64.h (UNIQUE_SECTION): Likewise.
	* mips/iris6gld.h (UNIQUE_SECTION): Likewise.
	* mips.c (mips_sw_reg_names, mips_regno_to_class): Likewise.
	* mips.h (mips_regno_to_class): Likewise.
	* ns32k.c (scales): Likewise.
	* pa.c (import_string, magic_milli): Likewise.
	* rs6000.c (alt_reg_names, rs6000_override_options): Likewise.
	* sparc.c (leaf_reg_remap, sparc_override_options,
	reg_leaf_alloc_order, reg_nonleaf_alloc_order, reg_alloc_orders):
	Likewise.
	* sparc.h (sparc_cpu_select, leaf_reg_remap): Likewise.

cp:
	* class.c (build_vtable_entry_ref): Const-ify.
	* decl.c (predefined_identifier,
	initialize_predefined_identifiers): Likewise.
	* init.c (build_new_1): Likewise.
	* lex.c (cplus_tree_code_type, cplus_tree_code_length, resword):
	Likewise.

f:
	* bad.c (_ffebad_message_, ffebad_messages_): Const-ify.
	* bld.c (ffebld_arity_op_): Likewise.
	* bld.h (ffebld_arity_op_): Likewise.
	* com.c (ffecom_init_0): Likewise.
	* intdoc.c (_ffeintrin_name_, _ffeintrin_gen_, _ffeintrin_spec_,
	_ffeintrin_imp_, names, gens, imps, specs, cc_pair,
	cc_descriptions, cc_summaries): Likewise.
	* intrin.c (_ffeintrin_name_, _ffeintrin_gen_, _ffeintrin_spec_,
	_ffeintrin_imp_, ffeintrin_names_, ffeintrin_gens_,
	ffeintrin_imps_, ffeintrin_specs_): Likewise.

java:
	* jcf-io.c (format_uint): Const-ify.
	* lang.c (java_tree_code_type, java_tree_code_length): Likewise.
	* lex.c (java_get_line_col): Likewise.
	* parse.y (build_incdec): Likewise.

From-SVN: r46062
 2001-10-07 16:51:11 +00:00
David Billinghurst
607a6500ea flow.c (propagate_block_delete_libcall): Remove unused first arg 
* flow.c (propagate_block_delete_libcall): Remove unused first arg
	(propagate_one_insn):  Update for above change

From-SVN: r45933
 2001-10-01 23:35:03 +00:00
Ulrich Weigand
967bd82377 flow.c (delete_dead_jumptables): Delete jumptable if the only reference is from the literal pool. 
* flow.c (delete_dead_jumptables): Delete jumptable if the only
reference is from the literal pool.

From-SVN: r45783
 2001-09-24 20:13:00 +00:00
Jan Hubicka
53c170316f basic-block.h (flow_delete_insn, [...]): Kill. 
* basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
	* cfg.c (delete_insn): Rename from ....; use remove_insn; do not
	remove some labels.
	(flow_delete_insn): This one.
	(delete_insn_chain): Rename from ...; do not care labels.
	(flow_delete_insn_chain): ... this one.
	(flow_delete_block): Remove the insns one BB has been expunged.
	(merge_blocks_nomove): Likewise.
	(try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
	updating BB boundaries.
	(tidy_fallthru_edge): Likewise.
	(commit_one_edge_insertion): Likewise.
	* cfgbuild.c (find_basic_block): Likewise.
	(find_basic_blocks_1): Likewise.
	* cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
	(try_crossjump_to_edge): Likewise.
	(try_optimize_cfg): Likewise.
	* cse.c (delete_trivially_dead_insns): Likewise.
	* df.c (df_insn_delete): Likewise.
	* doloop.c (doloop_modify): Use delete_related_insns.
	* emit-rtl.c (try_split): Likewise.
	(remove_insn): Update BB boundaries.
	* expect.c (connect_post_landing_pads): Use delete_related_insns.
	* flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
	updating BB boundaries.
	(propagate_block_delete_insn): Likewise.
	(propagate_block_delete_libcall): Likewise.
	* function.c (delete_handlers): Use delete_related_insns.
	(thread_prologue_and_epilogue_insns): Likewise.
	* gcse.c (delete_null_pointer_checks): Use delete_related_insns.
	* genpeep.c (gen_peephole): Use delete_related_insns.
	* ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
	BB boundaries.
	(find_cond_trap): Likewise.
	* integrate.c (save_for_inline): Use delete_related_insns.
	(copy_insn_list): Likewise.
	* jump.c (pruge_linie_number_notes): Likewise.
	(duplicate_loop_exit_test): Likewise.
	(delete_computation): Likewise.
	(delete_related_insn): Rename from ...; use delete_insn
	(delete_insn): ... this one.
	(redirect_jump): Use delete_related_insns.
	* loop.c (scan_loop): Likewise.
	(move_movables): Likewise.
	(find_and_verify_loops): Likewise.
	(check_dbra_loop): Likewise.
	* recog.c (peephole2_optimize): Likewise.
	* reg-stack.c (delete_insn_for_stacker): Remove.
	(move_for_stack_reg): Use delete_insn.
	* regmove.c (combine_stack_adjustments_for_block): Likewise.
	* reload1.c (delete_address_reloads): Use delete_related_insns.
	(fixup_abnormal_edges): Use delete_insn.
	* recog.c (emit_delay_sequence): Use delete_related_insns.
	(delete_from-delay_slot): Likewise.
	(delete_scheduled_jump): likewise.
	(optimize_skip): Likewise.
	(try_merge_delay_insns): Likewise.
	(full_simple_delay_slots): Likewise.
	(fill_slots_from_thread): Likewise.
	(relax_delay_slots): Likewise.
	(make_return_insns): Likewise.
	(dbr_schedule): Likewise.
	* rtl.h (delete_insn): Rename to delete_related_insns.
	(delete_insn, delete_insn_chain): New prototypes.
	* ssa-ccp (sse_fast_dce):  Remove deleting of DEF, as it is done
	by df_insn_delete already.
	* ssa-dce.c (delete_insn_bb): Use delete_insn.
	* ssa.c (convert_from_ssa): Use delete_related_insns.
	* unroll.c (unroll_loop): Likewise.
	(calculate_giv_inc): Likewise.
	(copy_loop_body): Likewise.

	* i386-protos.h (ix86_libcall_value, ix86_function_value,
	ix86_function_arg_regno_p, ix86_function_arg_boundary,
	ix86_return_in_memory, ix86_function_value): Declare.
	* i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
	new static valurables.
	(x86_64_reg_class): New enum
	(x86_64_reg_class_name): New array.
	(classify_argument, examine_argument, construct_container,
	 merge_classes): New static functions.
	(optimization_options): Enable flag_omit_frame_pointer and disable
	flag_pcc_struct_return on 64bit.
	(ix86_libcall_value, ix86_function_value,
	ix86_function_arg_regno_p, ix86_function_arg_boundary,
	ix86_return_in_memory, ix86_function_value): New global functions.
	(init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
	(function_arg_advance): Handle x86_64 passing conventions.
	(function_arg): Likewise.
	* i386.h (FUNCTION_ARG_BOUNDARY): New macro.
	(RETURN_IN_MEMORY): Move offline.
	(FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
	(FUNCTION_VALUE_REGNO_P): New macro.
	(FUNCTION_ARG_REGNO_P): Move offline.
	(struct ix86_args): Add maybe_vaarg.
	* next.h (FUNCTION_VALUE_REGNO_P): Delete.
	* unix.h (FUNCTION_VALUE_REGNO_P): Delete.

From-SVN: r45726
 2001-09-21 12:55:18 +00:00
Jan Hubicka
3c030e88e7 basic-block.h (free_bb_for_insn): Declare. 
* basic-block.h (free_bb_for_insn): Declare.
	* bb-reorder.c (label_for_bb): Use block_label.
	(emit_jump_to_block_after): Remove.
	(insert_intra_1): Do not update block_for_insn.
	(insert_inter_bb_scope_notes): Likewise; update bb->end
	* cfg.c (free_bb_for_insn): New.
	(try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
	(force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
	(commit_one_edge_insertion): Likewise.
	(commit_one_edge_insertion): Do not update BB boundary.
	(commit_edge_insertions): Do not call compute_bb_for_insn.
	* cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
	* cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
	(merge_blocks_move_successor_nojumps): Likewise.
	(try_crossjump_to_edge): Do not update block_for_insn.
	* combine.c (combine_instructions): Remove compute_bb_for_insn call.
	* df.c (df_pattern_emit_later): Do not update BB boundary.
	(df_jump_pattern_emit_after): Likewise.
	(df_insn_move_before): Use emit_insn_before.
	* emit-rtl.c (try_split): Emit after trial to get bb boundary updated
	 properly.
	(add_insn_after, add_insn_before, emit_insns_after): Update BB
	boundaries and basic_block_for_insn.
	(reorder_insns_nobb): Rename from reorder_insns.
	(reorder_insns): New.
	(emit_block_insn_before, emit_block_insn_after): Kill.
	* flow.c (check_function_return_warnings): Do not call
	compute_bb_for_insn; Do not free basic_block_for_insn.
	(attempt_auto_inc): Do not update basic_block_for_insn.
	* function.c (emit_return_into_block): Likewise;
	do not update BB boundaries.
	* gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
	(insert_insn_end_bb): Use emit_insn_before; Likewise.
	(pre_insert_copy_insn): Likewise.
	(update_ld_motion_notes): Likewise.
	(insert_insn_start_bb): Likewise.
	(replace_store_insn): Likewise.
	* ifcvt.c (noce_process_if_block): Likewise.
	(if_convert): Do not call compute_bb_for_insn.
	* lcm.c (optimize_mode_switching): Do not update BB boundaries.
	Use emit_insn_before and emit_insn_after.
	* recog.c (split_all_insns): Do not update BB boundaries;
	Do not call compute_bb_for_insn.
	(peephole2_optimize): Do not update BB boundaries.
	* reg-stack.c (emit_pop_insn): Use emit_insn_after and
	emit_insn_before.
	(emit_swap_insn): Likewise.
	(convert_regs_1): Likewise.
	* reload1.c (reload): Call compute_bb_for_insn.
	* rtl.h (reorder_insns_nobb): Declare.
	* ssa.c (rename_equivalent_regs): Use emit_insn_before.
	* toplev.c (rest_of_compilation): Call free_bb_for_insn
	at places CFG is invalidated; do not call compute_bb_for_insn.

	* cfg.c (expunge_block): Invalidate BB structure.

	* (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
	array.

	* cfg.c (verify_flow_info): Verify the basic_block_for_insn array.

From-SVN: r45647
 2001-09-16 20:21:30 +00:00
Jan Hubicka
402209ff48 Makefile.in (cfg.o, [...]): New. 
* Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
	New.
	* basic-block.h (flow_obstack, label_value_list,
	tail_recursion_label_list): Declare
	(tidy_fallthru_edges): Declare.
	(expunge_block, last_loop_beg_note): Delete.
	(can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
	* cfg.c: New file
	(basic_block_for_insn, label_value_list): Move from flow.c; make global.
	(n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
	init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
	flow_delete_insn, flow_delete_insn_chain, create_basic_block,
	expunge_block, flow_delete_block, compute_bb_for_insn,
	update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
	make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
	redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
	try_redirect_by_replacing_jump, last_loop_beg_note,
	redirect_edge_and_branch, redirect_edge_and_branch_force,
	tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
	split_edge, insert_insn_on_edge, commit_one_edge_insertion,
	commit_edge_insertions, dump_flow_info, debug_flow_info,
	dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
	verify_flow_info, purge_dead_edges, purge_all_dead_edges):
	Move here from flow.c
	* cfganal.c: New file.
	(forwarder_block_p, can_fallthru, mark_critical_edges,
	 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
	 find_unreachable_blocks, create_edge_list, free_edge_list,
	 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
	 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
	 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
	 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
	 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
	 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
	Move here from flow.c
	* cfgbuild.c: New file
	(count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
	 make_edges, find_basic_blocks_1, find_basic_blocks,
	 find_sub_basic_blocks): Move here from flow.c
	* cfgcleanup.c: New file.
	(try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
	 merge_blocks_move_predecessor_nojumps,
	 merge_blocks_move_successor_nojumps, merge_blocks,
	 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
	 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
	(delete_unreachable_blocks, cleanup_cfg): Likewise; return true
	if succeeded.
	* cfgloop.c: New file
	(flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
	 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
	 flow_loop_exit_edges_find, flow_loop_nodes_find,
	 flow_loop_pre_header_scan, flow_loop_pre_header_find,
	 flow_loop_tree_node_add, flow_loops_tree_build,
	 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
	 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
	Move here from flow.c
	* flow.c: Remove everything moved elsewhere
	* output.h (cleanup_cfg): Return bool.

	* bb-reorder.c (reorder_block_def): Remove 'index'.
	(insert_intra_1): Add argument BB, set block for new note.
	(make_reorder_chain): Do not depdent on BB indexes.
	(make_reorder_chain_1): Do not use BB indexes.
	(label_for_bb): Likewise; set BB for new insn.
	(emit_jump_to_block_after): Likewise.
	(fixup_reoder_chain): Sanity check that all basic blocks
	are chained; verify newly created insn chain; remove
	undocnitional jump simplifying; Do not use BB indexes;
	properly initialize count and frequency information;
	dump reordered sequence.
	(insert_intra_bb_scope_notes): update call of insert_intra_1.
	(insert_inter_bb_scope_notes): Set block for new insn.
	(reorder_basic_blocks): Dump flow info before reoredering.

From-SVN: r45504
 2001-09-10 12:23:08 +00:00
Jim Wilson
43fe47ca78 re PR rtl-optimization/3783 (gcc3.0/ia64 ICE on linux kernel file fs/ufs/super.c) 
Fix for PR 3783.
	* alias.c (clear_reg_alias_info): New.
	* flow.c (attempt_auto_inc): Call clear_reg_alias_info.
	* rtl.h (clear_reg_alias_info): Declare.

From-SVN: r45482
 2001-09-07 16:25:01 -07:00
Daniel Berlin
d59c534651 df.h (struct df): Add rts_order variable. 
2001-08-28  Daniel Berlin  <dan@cgsoftware.com>

	* 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.

From-SVN: r45246
 2001-08-28 23:43:23 +00:00
Richard Henderson
c23bb84bd3 flow.c (redirect_edge_succ_nodup): Return new edge. 
* flow.c (redirect_edge_succ_nodup): Return new edge.
        (try_simplify_condjump): Use new edge.
        * basic-block.h (redirect_edge_succ_nodup): Update prototype.

From-SVN: r45222
 2001-08-27 18:32:10 -07:00
Roman Zippel
bce7bfe835 * flow.c (verify_flow_info): Use checksums to verify edges. 
From-SVN: r45212
 2001-08-27 14:29:15 -07:00
Diego Novillo
95005c210a flow.c (flow_loop_dump): Do not display insn UIDs if this is not an RTL basic block. 
* flow.c (flow_loop_dump): Do not display insn UIDs if this is not
	an RTL basic block.

From-SVN: r45201
 2001-08-27 14:11:27 -04:00
Jan Hubicka
ab75d1f125 function.c (thread_prologue_and_epilogue_insns): Avoid fallthru flag on edge to exit. 
* function.c (thread_prologue_and_epilogue_insns): Avoid
	fallthru flag on edge to exit.

	* i386.md (trunc?fsi splitter): Conditionionize for non-sse.

	* flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
	dead edges.

From-SVN: r45135
 2001-08-23 15:33:13 +00:00
Jason Merrill
2270623af3 jump.c (squeeze_notes): Take parms by reference. 
* jump.c (squeeze_notes): Take parms by reference.  Handle END being
        a squeezable note.
        * rtl.h: Adjust.
        * ifcvt.c (dead_or_predicable): Adjust.
        * loop.c (find_and_verify_loops): Adjust.
        * stmt.c (expand_end_case): Adjust.
        * flow.c (merge_blocks_move_successor_nojumps): Adjust.  Modify the
        head and end insn pointers in the basic block, not just local copies.
        (merge_blocks_move_predecessor_nojumps): Likewise.

From-SVN: r45107
 2001-08-22 10:51:32 -04:00
Lars Brinkhoff
1322177dbd Makefile.in, [...]: replace "GNU CC" with "GCC". 
* Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
	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".

From-SVN: r45105
 2001-08-22 14:35:51 +00:00
Richard Henderson
687eccc06e flow.c (flow_find_cross_jump): Don't consider unconditional return insns for commoning. 
* flow.c (flow_find_cross_jump): Don't consider unconditional
        return insns for commoning.

From-SVN: r45101
 2001-08-22 01:13:00 -07:00
Andreas Jaeger
bb1a503c19 profile.c (compute_branch_probabilities): Remove extra new-line in error message. 
* profile.c (compute_branch_probabilities): Remove extra new-line
	in error message.
	* flow.c (verify_flow_info): Likewise.

From-SVN: r45069
 2001-08-21 07:06:55 +02:00
Diego Novillo
006844a392 basic-block.h (basic_block): Add new field 'flags'. 
* basic-block.h (basic_block): Add new field 'flags'.
	(BB_REACHABLE): Define.
	(expunge_block): Declare.
	* flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
	(EXIT_BLOCK_PTR): Ditto.
	(expunge_block): Remove static declaration.
	(cleanup_cfg): Clear bb->aux on every basic block.
	(find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
	computing reachability.
	(delete_unreachable_blocks): Delete block b if b->flags has
	BB_REACHABLE unset.

From-SVN: r45068
 2001-08-20 23:22:26 -04:00
Richard Henderson
6ca3c22fd1 flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call. 
* flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
        * regclass.c (init_reg_sets_1): Fix typo.
        * config/ia64/ia64.c (ar_pfs_reg_operand): New.
        (ia64_expand_call): Pass ar.pfs to sibcall expanders.
        (ia64_compute_frame_size): Make ar.unat live when in use.
        (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
        for ar.pfs; remove ar.unat handling.
        * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
        call-saved.
        (PREDICATE_CODES): Add ar_pfs_reg_operand.
        * config/ia64/ia64-protos.h: Update decls.
        * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
        (sibcall_pic): Likewise.

From-SVN: r45021
 2001-08-18 20:04:19 -07:00
John Wehle
44ce006366 rtl.h (only_sets_cc0_p): New prototype. 
* rtl.h (only_sets_cc0_p): New prototype.
	* jump.c (sets_cc0_p): Handle INSN.
	(only_sets_cc0_p): New function.
	* flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
	(tidy_fallthru_edge): Likewise.
	* integrate.c (copy_insn_list): Likewise.
	* unroll.c (unroll_loop): Likewise.
	(copy_loop_body): Likewise.

From-SVN: r44927
 2001-08-15 19:25:43 +00:00
Jeffrey A Law
abb788ba5b flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG note from its associated jump. 
* flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
	note from its associated jump.

From-SVN: r44910
 2001-08-14 17:30:16 -06:00
Zack Weinberg
19652adf82 calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY if not already defined. 
* calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
	if not already defined.  Remove all #ifdefs on STACK_BOUNDARY;
	this macro is now required.

	* cselib.c (cselib_process_insn), flow.c (propagate_block),
	loop.c (find_and_verify_loops), reload.c (reload): Check
	for rtx code of CALL_INSN, not CALL, when deciding if we
	need to check for REG_SETJMP note.

	* gcse.c (compute_hash_table, compute_store_table): Update
	the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
	logic.

	* config/avr/avr.c: Fix typo.
	* config/convex/convex.c (expand_movstr): Use adjust_address.
	* config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
	variable.
	* config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
	* config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
	Fix typo.
	* config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
	Do define STACK_BOUNDARY.
	* config/i370/i370.c: Include expr.h.
	* config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
	config/pa/som.h, config/v850/v850.h: Take in_ctors and
	in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
	and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
	* config/m88k/m88k.c: Include c-tree.h after expr.h.
	* config/pdp11/pdp11.c: Include expr.h and toplev.h.
	* config/romp/romp.c: Include expr.h after tree.h.
	Include toplev.h.
	(output_fpop): Use xmalloc, not oballoc.
	* config/we32k/we32k.c: Include expr.h.

From-SVN: r44768
 2001-08-10 16:19:22 +00:00
Kazu Hirata
30f7a3786c dbxout.c: Fix comment formatting. 
* dbxout.c: Fix comment formatting.
	* dependence.c: Likewise.
	* df.c: Likewise.
	* diagnostic.c: Likewise.
	* dominance.c: Likewise.
	* doprint.c: Likewise.
	* dwarf2out.c: Likewise.
	* dwarfout.c: Likewise.
	* emit-rtl.c: Likewise.
	* except.c: Likewise.
	* explow.c: Likewise.
	* expmed.c: Likewise.
	* expr.c: Likewise.
	* flow.c: Likewise.
	* fold-const.c: Likewise.
	* function.c: Likewise.

From-SVN: r44729
 2001-08-08 22:06:48 +00:00
Jan van Male
b9f2270425 emit-rtl.c (adjust_address, [...]): Cast offset to unsigned HOST_WIDE_INT to avoid warning. 
2001-08-08  Jan van Male <jan.vanmale@fenk.wau.nl>

        * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
        unsigned HOST_WIDE_INT to avoid warning.
        * final.c (final): Cast INSN_UID to unsigned to avoid warning.
        * flow.c (set_block_for_new_insns): Likewise.

From-SVN: r44724
 2001-08-08 22:32:31 +02:00
Jan Hubicka
9d98f8f9c4 calls.c (ECF_ALWAYS_RETURN): New constant. 
* calls.c (ECF_ALWAYS_RETURN): New constant.
	(emit_call_1): Add REG_ALWAYS_RETURN note if needed.
	(expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
	(emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
	* flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
	* rtl.c (reg_note_name): New name.
	* rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.

From-SVN: r44722
 2001-08-08 19:07:47 +00:00
Graham Stott
5b57e28b23 flow.c (back_edge_of_syntactic_loop_p): Add whitespace. 
* flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
	(libcall_dead_p): Likewise.

	(mark_used_regs): Constify fmt.
	(find_use_as_address): Likewise.

From-SVN: r44707
 2001-08-08 07:45:10 +00:00
Jan Hubicka
570a98eb7c calls.c (expand_call): Do not emit INSN_SETJMP note. 
* calls.c (expand_call): Do not emit INSN_SETJMP note.
	(emit_library_call_value_1): Likewise.
	(emit_call_1): Emit REG_SETJMP note.
	* cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
	of INSN_SETJMP
	* cselib.c (cselib_process_insn): Likewise.
	* flow.c (propagate_block): Likewise.
	* loop.c (find_and_verify_loops): Likewise.
	* reload.c (find_equiv_regs): Likewise.
	* reload1.c (reload): Likewise.
	* resource.c (mark_referenced_resources,
	mark_set_resources): Likewise.
	* sched-deps (sched_analyze_insn, sched_analyze): Likewise.
	* final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
	* haifa-sched.c (unlink_other_notes): Likewise.
	(reemit_notes): Likewise.
	* sched-ebb.c (sched_ebb): Likewise.
	* sched-rgc.c (sched_region): Likewise.
	* rtl.c (note_insn_name): Likewise.
	(reg_note_name): Add REG_SETJMP
	* rtl.h (reg_note): Add REG_SETJMP.
	(insn_note): Remove NOTE_INSN_SETJMP.

	* profile.c (branch_prob): Add fake edges for setjmp.

From-SVN: r44700
 2001-08-07 20:24:08 +00:00
Jan Hubicka
24a2858412 alias.c (nonlocal_mentioned_p): Rename CONST_CALL_P to CONST_OR_PURE_CALL_P 
* alias.c (nonlocal_mentioned_p):
	Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
	* calls.c (emit_call_1): Likewise.
	* cse.c (cse_insn, invalidate_skipped_block): Likewise.
	* cselib.c (cselib_process_insn): Likewise.
	* df.c (df_insns_modify): Likewise.
	* flow.c (need_fake_edge_p): Likewise.
	(propagate_one_insn): Likewise.
	* haifa-sched.c (reemit_notes): Likewise.
	* integrate.c (copy_insn_list): Likewise.
	* jump.c (delete_prior_computation): Likewise.
	* local-alloc.c (validate_equiv_mem): Likewise.
	* loop.c (scan_loop): Likewise.
	* predict.c (estimate_probability): Likewise.
	* reload.c (reload): Likewise.
	* sched-deps (sched_analyze): Likewise.
	* rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
	* gcse.c (compute_hash_table): Likewise.
	(mark_call): Likewise.
	(store_killed_in_insn): Likewise.

From-SVN: r44688
 2001-08-07 12:59:58 +00:00
Jan Hubicka
39f95a2c8e Makefile.in (reload1.o): Add dedendancy on except.h 
* Makefile.in (reload1.o): Add dedendancy on except.h
        * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
        prototypes.
        * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
        indicating wehther edges has been cleaned up.
        * reload1.c: Inlucde except.h
        (fixup_abnormal_edges): Accept deleted insns.
        * toplev.c (rest_of_compilation): Purge dead edges unconditionally
        after combine.

From-SVN: r44654
 2001-08-05 23:39:21 -07:00