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2003-07-22alias.c: Fix comment formatting.Kazu Hirata1-1/+1
* alias.c: Fix comment formatting. * c-common.c: Likewise. * c-decl.c: Likewise. * c-opts.c: Likewise. * combine.c: Likewise. * cpplib.c: Likewise. * diagnostic.c: Likewise. * dojump.c: Likewise. * final.c: Likewise. * fold-const.c: Likewise. * gcc.c: Likewise. * gcse.c: Likewise. * ggc-page.c: Likewise. * jump.c: Likewise. * loop.c: Likewise. * mips-tfile.c: Likewise. * recog.c: Likewise. * regclass.c: Likewise. * regmove.c: Likewise. * tree.c: Likewise. * tree.h: Likewise. From-SVN: r69689
2003-07-19alias.c [...]: Remove unnecessary casts.Kaveh R. Ghazi1-1/+1
* alias.c alloc-pool.c bitmap.c bitmap.h bt-load.c builtins.c c-common.c c-decl.c c-incpath.c c-lex.c c-opts.c c-parse.in c-pragma.c c-typeck.c calls.c cfg.c cfganal.c cfgloop.c cfgrtl.c collect2.c combine.c conflict.c coverage.c cppexp.c cppfiles.c cpphash.c cppinit.c cpplex.c cpplib.c cppmacro.c cppspec.c cpptrad.c cse.c cselib.c dbxout.c defaults.h df.c dominance.c dwarf2out.c dwarfout.c emit-rtl.c except.c expmed.c expr.c final.c fix-header.c flow.c fold-const.c function.c gcc.c gccspec.c gcov.c gcse.c genattr.c genattrtab.c genautomata.c genconditions.c genemit.c genextract.c genoutput.c genrecog.c gensupport.c ggc-page.c ggc-simple.c global.c graph.c haifa-sched.c hashtable.c integrate.c jump.c langhooks.c lcm.c line-map.c local-alloc.c loop.c mips-tdump.c mips-tfile.c mkdeps.c optabs.c params.c postreload.c prefix.c print-tree.c protoize.c ra-build.c ra-colorize.c ra-rewrite.c ra.c recog.c reg-stack.c regclass.c regmove.c regrename.c reload.c reload1.c reorg.c resource.c sbitmap.c sched-deps.c sched-rgn.c sched-vis.c sdbout.c simplify-rtx.c ssa-ccp.c ssa.c stmt.c stor-layout.c timevar.c tlink.c toplev.c tree-dump.c tree.c unroll.c unwind-dw2-fde.c varasm.c varray.c vmsdbgout.c xcoffout.c: Remove unnecessary casts. From-SVN: r69587
2003-07-06jump.c: Convert prototypes to ISO C90.Andreas Jaeger1-123/+62
* jump.c: Convert prototypes to ISO C90. * langhooks-def.h: Likewise. Add extern to prototypes. * langhooks.c: Likewise. * langhooks.h: Likewise. * lcm.c: Likewise. * local-alloc.c: Likewise. * loop-init.c: Likewise. * loop-unroll.c: Likewise. * loop-unswitch.c: Likewise. * loop.c: Likewise. * loop.h: Likewise. Add extern to prototypes. * machmode.h: Likewise. * main.c: Likewise. * mbchar.c: Likewise. * mbchar.h: Likewise. * mkdeps.c: Likewise. * mkdeps.h: Likewise. * optabs.c: Likewise. * optabs.h: Likewise. * output.h: Likewise. * gccspec.c: Likwise. * postreload.c: Likewise. * prefix.c: Likewise. * prefix.h: Likewise. * print-rtl.c: Likewise. * print-tree.c: Likewise. * profile.c: Likewise. * read-rtl.c: Likewise. * real.c: Likewise. * real.h: Likewise. * recog.c: Likewise. * recog.h: Likewise. * reg-stack.c: Likewise. * regclass.c: Likewise. * regmove.c: Likewise. * regrename.c: Likewise. * regs.h: Likewise. * reload.c: Likewise. * reload.h: Likewise. * reload1.c: Likewise. * reorg.c: Likewise. * resource.c: Likewise. * resource.h: Likewise. * rtl-error.c: Likewise. * rtl.c: Likewise. * rtl.h: Likewise. * rtlanal.c: Likewise. From-SVN: r68998
2003-07-05bt-load.c: Fix comment typos.Kazu Hirata1-1/+1
* bt-load.c: Fix comment typos. * c-incpath.c: Likewise. * cfg.c: Likewise. * cfgcleanup.c: Likewise. * cfgloop.h: Likewise. * cfgloopmanip.c: Likewise. * cfgrtl.c: Likewise. * diagnostic.h: Likewise. * dwarfout.c: Likewise. * emit-rtl.c: Likewise. * et-forest.c: Likewise. * et-forest.h: Likewise. * expr.c: Likewise. * gcse.c: Likewise. * genattr.c: Likewise. * jump.c: Likewise. * langhooks.h: Likewise. * local-alloc.c: Likewise. * loop-unroll.c: Likewise. * loop-unswitch.c: Likewise. * ra-build.c: Likewise. * regclass.c: Likewise. * regmove.c: Likewise. * rtl.def: Likewise. * rtlanal.c: Likewise. * sched-ebb.c: Likewise. * sched-rgn.c: Likewise. * simplify-rtx.c: Likewise. * ssa.c: Likewise. * tracer.c: Likewise. * tree.c: Likewise. From-SVN: r68975
2003-07-04c-aux-info.c: Include toplev.h after c-tree.h.Kaveh R. Ghazi1-1/+1
gcc: * c-aux-info.c: Include toplev.h after c-tree.h. * c-common.c: Likewise. (GCC_DIAG_STYLE): Undef. * c-semantics.c (GCC_DIAG_STYLE): Define. * c-tree.h (GCC_DIAG_STYLE): Likewise. * diagnostic.h (inform): Move prototype to toplev.h. * jump.c: Include diagnostic.h before toplev.h. * toplev.h (GCC_DIAG_STYLE, ATTRIBUTE_GCC_DIAG): Define. (warning, error, fatal_error, pedwarn, sorry, inform, error_for_asm, warning_for_asm): Mark with ATTRIBUTE_GCC_CXXDIAG. cp: * cp-tree.h (GCC_DIAG_STYLE, ATTRIBUTE_GCC_CXXDIAG): Define. (cp_error_at, cp_warning_at, cp_pedwarn_at): Mark with ATTRIBUTE_GCC_CXXDIAG. From-SVN: r68910
2003-07-01combine.c (distribute_notes): Don't bother REG_WAS_0.Kazu Hirata1-4/+0
* combine.c (distribute_notes): Don't bother REG_WAS_0. * cse.c (cse_insn): Likewise. * final.c (final_scan_insn): Likewise. * jump.c (duplicate_loop_exit_test): Likewise. * rtl.c (reg_note_name): Remove REG_WAS_0. * rtl.h (REG_WAS_0): Remove. * unroll.c (final_reg_note_copy): Don't bother REG_WAS_0. * config/avr/avr.c (output_movqi): Don't use reg_was_0. (output_movhi): Likewise. (output_movsisf): Likewise. (reg_was_0): Remove. * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Don't use REG_WAS_0. (m68hc11_gen_movqi): Likewise. * config/vax/vax-protos.h: Remove the prototype for reg_was_0_p. * config/vax/vax.c (follows_p): Remove. (reg_was_0_p): Likewise. * config/vax/vax.md (movsi): Don't use reg_was_0_p. (movhi): Likewise. (movqi): Likewise. * doc/rtl.texi (REG_WAS_0): Remove. From-SVN: r68753
2003-06-27jump.c (rtx_renumbered_equal_p): Replace an expression that is known to be 0 ↵Kazu Hirata1-3/+1
with 0. * jump.c (rtx_renumbered_equal_p): Replace an expression that is known to be 0 with 0. From-SVN: r68602
2003-06-25jump.c (next_nondeleted_insn): Remove.Kazu Hirata1-12/+0
* jump.c (next_nondeleted_insn): Remove. * rtl.h: Remove the prototype for next_nondeleted_insn. From-SVN: r68453
2003-06-23ChangeLog.1: Fix a typo.Kazu Hirata1-1/+1
* 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
2003-06-08cfglayout.c (insn_scope): New static functionJan Hubicka1-2/+2
* cfglayout.c (insn_scope): New static function (block_locators_*, line_locators*, file_locators*): New static varrays. (scope_to_insns_initialize): Use them. (insn_line, insn_file): New functions. (scope_to_insns_finalize): Use insn_scope. (prologue_locator, epilogue_locator): New global variables. * emit-rt.c (try_split, make_insn_raw, make_jump_insn_raw, make_call_insn_raw, emit_copy_of_insn_after): Use locators. (emit_insn_after_scope, emit_insn_before_scope emit_jump_insn_after_scope, emit_jump_insn_before_scope emit_call_insn_after_scope, emit_call_insn_before_scope): Rename to... (emit_insn_after_setloc, emit_insn_before_setloc emit_jump_insn_after_setloc, emit_jump_insn_before_setloc emit_call_insn_after_setloc, emit_call_insn_before_setloc): ... these; use locators. * final.c (notice_source_line): Use locators. (final_start_function): Set initial source file and line. (final_scan_insn): Use locators. * ifcvt.c (noce_try_store_flag, noce_try_store_flag_constants, noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith, noce_try_minmax, noce_try_abs, noce_process_if_block, find_cond_trap): Likewise. * integrate.c (copy_insn_list): Likewise. * jump.c (duplicate_loop_exit_test): LIkewise. * print-rtl.c (print_rtx): Print locators. * recog.c (peephole2_optimize): Likewise. * rtl.h (INSN_SCOPE): Remove. (emit_insn_after_scope, emit_insn_before_scope emit_jump_insn_after_scope, emit_jump_insn_before_scope emit_call_insn_after_scope, emit_call_insn_before_scope): Rename to... (emit_insn_after_setloc, emit_insn_before_setloc emit_jump_insn_after_setloc, emit_jump_insn_before_setloc emit_call_insn_after_setloc, emit_call_insn_before_setloc): ... these; (insn_file, insn_line, prologue_locator, epilogue_locator): Declare. * unroll.c (copy_loop_body): Use locators. * function.c (set_insn_locators): New function. (thread_prologue_and_epilogue_insns): Set the locators accordingly. From-SVN: r67637
2003-05-21gcse.c (cprop_jump): Make use of REG_EQUAL notes on both setcc and jump, if ↵Roger Sayle1-0/+29
they exist. * gcse.c (cprop_jump): Make use of REG_EQUAL notes on both setcc and jump, if they exist. If substituted instruction fails to validate, store current effort in a REG_EQUAL note. (cprop_insn): Don't attempt further substitutions if the current instruction has been deleted. (local_cprop_pass): Likewise. * jump.c (redirect_jump): Also update REG_EQUAL note, if one is attached to the jump instruction. (invert_jump): Delete REG_EQUAL note on jump, if one exists. Co-Authored-By: Joern Rennecke <joern.rennecke@superh.com> Co-Authored-By: Kazu Hirata <kazu@cs.umass.edu> From-SVN: r67054
2003-05-20* alias.c (nonlocal_mentioned_p, nonlocal_referenced_p)Matt Kraai1-2/+0
(nonlocal_set_p): Remove initial blank line. * dwarf2out.c (simple_type_size_in_bits): Likewise. * et-forest.c (et_forest_create): Likewise. * explow.c (stabilize): Likewise. * fix-header.c (write_lbrac): Likewise. * graph.c (start_fct, node_data): Likewise. * jump.c (only_sets_cc0_p, sets_cc0_p): Likewise. * rtlanal.c (global_reg_mentioned_p): Likewise. * tree.c (bit_position): Likewise. From-SVN: r66984
2003-05-09c-parse.in (if_stmt_locus): New object.Gabriel Dos Reis1-3/+7
* c-parse.in (if_stmt_locus): New object. (if_prefix rule): Use it. Don't use warning_with_file_and_line. (select_or_iter_stmt rule): Likewise. (if_stmt_file): Remove. (if_stmt_line): Likewise. * jump.c: include "diagnostic.h" (never_reached_warning): Don't use warning_with_file_and_line. * Makefile.in (jump.o): Add dependce on diagnostic.h From-SVN: r66627
2003-04-29re PR middle-end/10336 (ICE with -Wunreachable-code)Jason Merrill1-6/+8
PR middle-end/10336 * jump.c (never_reached_warning): Really stop looking if we reach the beginning of the function. From-SVN: r66249
2003-04-15PR middle-end/10336, c++/10401Jason Merrill1-1/+2
PR middle-end/10336, c++/10401 * jump.c (never_reached_warning): Also stop looking if we reach the beginning of the function. From-SVN: r65637
2003-04-03re PR c/10175 (-Wunreachable-code doesn't work for single lines)Jason Merrill1-2/+12
PR c/10175 * jump.c (never_reached_warning): Revert patch of 2002-11-02. Look backwards for a line note. From-SVN: r65227
2003-03-30cfgbuild.c (make_edges): Use tablejump_p.Richard Henderson1-4/+1
* 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
2003-02-26objc-act.c: Include cgraph.hJan Hubicka1-0/+3
* objc-act.c: Include cgraph.h (mark_referenced_methods): New function. (objc_init): Call it. * objc-lang.c (LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION): Set. * c-decl.c (finish_function): Honor can_defer_p even in unit-at-a-time mode. * optabs.c (expand_fix): Do not widen the input operand. * expr.c (emit_group_store): Fix crash when converting single register into complex register. * Makefile.in (jump.o, regclass.o, alias.o): Add dependency on timevar.h * alias.c: Include timevar.h (init_alias_analysis): Set timevar * jump.c: Include timevar.h (rebuild_jump_labels): Set timevar * regcalss.c: Include timevar.h (reg_scan): Set timevar * timevar.def (TV_ALIAS_ANALYSIS, TV_REG_SCAN, TV_REBUILD_JUMP): New From-SVN: r63464
2003-02-26combine.c (combine_simplify_rtx, [...]): Use CC0_P.Roger Sayle1-5/+1
* combine.c (combine_simplify_rtx, simplfy_comparison): Use CC0_P. * cse.c (invalidate_skipped_set): Likewise. * integrate.c (subst_constants): Likewise. * jump.c (reversed_comparison_code_parts): Likewise. * loop.c (canonicalize_condition): Likewise. * simplify-rtx.c (simplify_relational_operation): Likewise. From-SVN: r63446
2003-02-22re PR c/8828 (gcc reports some code is unreachable when it is not)Steven Bosscher1-13/+14
2003-02-22 Steven Bosscher <s.bosscher@student.tudelft.nl> PR c/8828 * jump.c (never_reached_warning): Don't fall through BARRRIER insns. Update comments to reflect what the function really does. From-SVN: r63275
2003-01-10jump.c (next_nonnote_insn_in_loop): New function.Josef Zlomek1-3/+26
* jump.c (next_nonnote_insn_in_loop): New function. (copy_loop_headers): Use next_nonnote_insn_in_loop instead of next_nonnote_insn. (duplicate_loop_exit_test). Likewise. From-SVN: r61150
2002-12-16Merge basic-improvements-branch to trunkZack Weinberg1-27/+20
From-SVN: r60174
2002-11-08jump.c (mark_jump_label): Handle subregs of label_refs.Jan Hubicka1-1/+0
* jump.c (mark_jump_label): Handle subregs of label_refs. * gcc.c-torture/compile/20021108-1.c: New testcase for x86-64 failure. From-SVN: r58921
2002-11-04jump.c (never_reached_warning): Don't set contains_insn until the first line ↵John David Anglin1-1/+1
note is seen. * jump.c (never_reached_warning): Don't set contains_insn until the first line note is seen. From-SVN: r58785
2002-09-30reload.c (push_reload): Handle subregs and secondary memory.Jan Hubicka1-0/+12
* reload.c (push_reload): Handle subregs and secondary memory. * reload1.c (gen_reload): Likewise. * jump.c (reg_or_subregno): New function. * rtl.h (reg_or_subregno): Declare * unroll.c (find_splittable_givs): Handle subregs. From-SVN: r57663
2002-09-22dbxout.c: Follow spelling conventions.Kazu Hirata1-2/+2
* dbxout.c: Follow spelling conventions. * defaults.h: Likewise. * df.c: Likewise. * diagnostic.h: Likewise. * doloop.c: Likewise. * dwarf2out.c: Likewise. * dwarfout.c: Likewise. * emit-rtl.c: Likewise. * except.c: Likewise. * explow.c: Likewise. * expmed.c: Likewise. * expr.c: Likewise. * expr.h: Likewise. * flags.h: Likewise. * flow.c: Likewise. * fold-const.c: Likewise. * function.c: Likewise. * function.h: Likewise. * gcc.c: Likewise. * gcov-io.h: Likewise. * gcov.c: Likewise. * gcse.c: Likewise. * genattrtab.c: Likewise. * genconfig.c: Likewise. * genrecog.c: Likewise. * ggc-page.c: Likewise. * ggc.h: Likewise. * global.c: Likewise. * gthr-win32.h: Likewise. * integrate.c: Likewise. * jump.c: Likewise. * langhooks.c: Likewise. * langhooks.h: Likewise. * line-map.h: Likewise. * local-alloc.c: Likewise. * longlong.h: Likewise. * loop.c: Likewise. * loop.h: Likewise. From-SVN: r57406
2002-06-11Delete SEQUENCE rtl usage outside of reorg and ssa passes.David S. Miller1-1/+3
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
2002-06-02loop.c (emit_prefetch_instructions): Properly place the address computation.Jan Hubicka1-14/+2
* 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
2002-04-09basic-block.h (flow_delete_block_noexpunge): Declare.Richard Henderson1-7/+0
* basic-block.h (flow_delete_block_noexpunge): Declare. (expunge_block_nocompact): Declare. * cfg.c (expunge_block_nocompact): Split out from ... (expunge_block): ... here. * cfgrtl.c (can_delete_label_p): Don't use exception_handler_labels. (flow_delete_block_noexpunge): Split out from ... (flow_delete_block): ... here. * cfgcleanup.c (delete_unreachable_blocks): Compact while removing dead blocks. * except.c (exception_handler_labels): Remove. (exception_handler_label_map): New. (struct eh_region): Add aka member. (mark_ehl_map_entry, mark_ehl_map, free_region): New. (ehl_hash, ehl_eq, ehl_free, add_ehl_entry): New. (for_each_eh_label, for_each_eh_label_1): New. (init_eh): Register exception_handler_label_map. (free_eh_status): Use free_region. (find_exception_handler_labels): Use the map, not the list. (remove_exception_handler_label): Likewise. (maybe_remove_eh_handler): Likewise. (remove_eh_handler): Use the region aka bitmap. * except.h (exception_handler_labels): Remove. (for_each_eh_label): Declare. * jump.c (rebuild_jump_labels): Don't check exception_handler_labels. * loop.c (invalidate_loops_containing_label): New. (find_and_verify_loops): Use it. Use for_each_eh_label. * sched-rgn.c (is_cfg_nonregular): Use current_function_has_exception_handlers. From-SVN: r52100
2002-03-07Add 2002 to the copyright dates.Richard Sandiford1-1/+1
From-SVN: r50404
2002-03-07defaults.h (MODE_HAS_NANS, [...]): New.Richard Sandiford1-11/+3
* defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES): New. (MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): New. * flags.h (HONOR_NANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS): New. (HONOR_SIGN_DEPENDENT_ROUNDING): New. * builtins.c (expand_builtin_mathfn): Use HONOR_NANS. * c-common.c (truthvalue_conversion): Reduce x - y != 0 to x != y unless x and y could be infinite. (expand_unordered_cmp): New, mostly split from expand_tree_builtin. Check that the common type of both arguments is a real, even for targets without unordered comparisons. Allow an integer argument to be compared against a real. (expand_tree_builtin): Use expand_unordered_cmp. * combine.c (combine_simplify_rtx): Use the new HONOR_... macros. * cse.c (fold_rtx): Likewise. Fix indentation. * fold-const.c (fold_real_zero_addition_p): New. (fold): Use it, and the new HONOR_... macros. * ifcvt.c (noce_try_minmax): Use the new HONOR_... macros. * jump.c (reversed_comparison_code_parts): After searching for the true comparison mode, use HONOR_NANS to decide whether it can be safely reversed. (reverse_condition_maybe_unordered): Remove IEEE check. * simplify-rtx.c (simplify_binary_operation): Use the new macros to decide which simplifications are valid. Allow the following simplifications for IEEE: (-a + b) to (b - a), (a + -b) to (a - b), and (a - -b) to (a + b). (simplify_relational_operation): Use HONOR_NANS. * doc/tm.texi: Document the MODE_HAS_... macros. From-SVN: r50401
2002-02-21jump.c (redirect_jump): If old label has no UID, don't try to delete it.J"orn Rennecke1-1/+3
* jump.c (redirect_jump): If old label has no UID, don't try to delete it. From-SVN: r49943
2002-02-12jump.c (never_reached_warning): Add finish argument.Jakub Jelinek1-8/+15
* jump.c (never_reached_warning): Add finish argument. If finish is NULL, stop on CODE_LABEL, otherwise stop before first real insn after end. * rtl.h (never_reached_warning): Adjust prototype. * cse.c (cse_insn): Pass NULL as finish to never_reached_warning. * cfgrtl.c (flow_delete_block): Pass b->end as finish to never_reached_warning. * gcc.dg/Wunreachable-1.c: New test. * gcc.dg/Wunreachable-2.c: New test. From-SVN: r49713
2001-12-17Makefile.in (cfgcleanup.o): Add cselib.h dependancy.Jan Hubicka1-467/+0
* Makefile.in (cfgcleanup.o): Add cselib.h dependancy. * basic-block.h (CLEANUP_THREADING): New constant. * cfgcleanup.c: Include cselib.h (thread_jump, mark_effect): New functions. (try_forward_edges): Do jump threading when asked for. * jump.c (mark_modified_reg, save_regs, num_same_regs, modified_regs, modified_mem, thread_jumps, rtx_equal_for-thread_p): Kill. * rtl.h (thread_jumps, rtx_equal_for_thread_p): Kill. * toplev.c (rest_of_compilation): Do now call thread_jumps; use CLEANUP_THREAD instead. From-SVN: r48108
2001-11-21function.c (keep_stack_depressed): Major rework.Richard Kenner1-1/+3
* function.c (keep_stack_depressed): Major rework. (handle_epilogue_set, emit_equiv_load): New functions. (thread_prologue_and_epilogue_insns): keep_stack_depressed now has return value. * jump.c (returnjump_p_1): Also return 1 if SET with SET_IS_RETURN_P. * rtl.h (SET_IS_RETURN_P): New macro. From-SVN: r47250
2001-11-15jump.c (squeeze_notes): Return true if no real insns were found.Jakub Jelinek1-5/+6
* jump.c (squeeze_notes): Return true if no real insns were found. * rtl.h (squeeze_notes): Adjust prototype. * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): If squeeze_notes finds no real instructions, abort. (merge_blocks_move_successor_nojumps): Likewise. * loop.c (find_and_verify_loops): Likewise. * stmt.c (expand_end_case): Likewise. * ifcvt.c (dead_or_predicable): Return TRUE if squeeze_notes doesn't find any real instructions. * gcc.c-torture/compile/20011114-4.c: New test. From-SVN: r47048
2001-11-11ChangeLog.2, [...]: Fix spelling errors.Joseph Myers1-1/+1
* 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
2001-10-28ChangeLog.0, [...]: Fix spelling errors.Joseph Myers1-1/+1
* ChangeLog.0, ChangeLog.1, ChangeLog.2, ChangeLog.3, ChangeLog.4, 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. From-SVN: r46580
2001-10-11alias.c: Remove uses of "register" specifier in declarations of arguments ↵Stan Shebs1-38/+38
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
2001-09-21basic-block.h (flow_delete_insn, [...]): Kill.Jan Hubicka1-68/+23
* 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
2001-08-31jump.c (mark_jump_label): Revert patch from 2001-08-28, the code was correct.Andreas Jaeger1-1/+1
* jump.c (mark_jump_label): Revert patch from 2001-08-28, the code was correct. From-SVN: r45308
2001-08-28jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not INSN_LIST.Alexandre Oliva1-1/+1
* jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not INSN_LIST. From-SVN: r45242
2001-08-22jump.c (squeeze_notes): Take parms by reference.Jason Merrill1-9/+24
* 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
2001-08-22Makefile.in, [...]: replace "GNU CC" with "GCC".Lars Brinkhoff1-12/+12
* 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
2001-08-15rtl.h (only_sets_cc0_p): New prototype.John Wehle1-1/+25
* 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
2001-08-13* jump.c: Fix formatting.Kazu Hirata1-28/+28
From-SVN: r44846
2001-08-07alias.c (nonlocal_mentioned_p): Rename CONST_CALL_P to CONST_OR_PURE_CALL_PJan Hubicka1-1/+1
* 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
2001-07-31jump.c (duplicate_loop_exit_test): Better test for jumps entering the loop; ↵Jan Hubicka1-3/+12
create loop pre_header. * jump.c (duplicate_loop_exit_test): Better test for jumps entering the loop; create loop pre_header. From-SVN: r44512
2001-07-30jump.c: Add prototype for mark_modified_reg.Andreas Jaeger1-0/+1
* jump.c: Add prototype for mark_modified_reg. * cse.c (set_live_p): Add unused attribute. * gcov.c (calculate_branch_probs): Use gcov_type to avoid overflow. (scan_for_source_files): Use long for count to avoid overflow. (output_data): Likewise. (output_data): Don't use string concatatenation to silence gcc -traditional. * predict.c: Fix typos and grammar. * gcse.c (insert_insn_end_bb): Remove unused variables. For cp: * decl2.c: Remove unused var global_temp_name_counter. From-SVN: r44479
2001-07-26rtl.h (cleanup_barriers): Declare.Jan Hubicka1-0/+26
* rtl.h (cleanup_barriers): Declare. * jump.c (cleanup_barriers): New function. * toplev.c (rest_of_compilation): Call cleanup_barriers before loop optimizer and after bb_reorder. * flow.c (back_edge_of_syntactic_loop_p): New. (split_edge): Use it. From-SVN: r44409
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