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Do that by running this command:
perl -pi -e 's/\bgfc_free ?\(/free (/' \
$(git grep -El '\bgfc_free ?\(')
which also corrects the few uses that lacked a space between
the function name and the open parenthesis.
Manually undo the change to the function definition itself
and its prototype. They'll be removed next.
* array.c (gfc_free_array_spec, gfc_set_array_spec): s/gfc_free/free/
* constructor.c (node_free): Likewise.
* cpp.c (dump_queued_macros): Likewise.
* data.c (gfc_assign_data_value): Likewise.
* decl.c (free_variable, free_value, gfc_free_data): Likewise.
(gfc_free_data_all, match_old_style_init): Likewise.
(gfc_set_constant_character_len, gfc_free_enum_history, NUM_DECL):
Likewise.
(gfc_match_modproc): Likewise.
* dependency.c (check_section_vs_section): Likewise.
* error.c (gfc_pop_error, gfc_free_error): Likewise.
* expr.c (free_expr0, gfc_free_expr, gfc_free_actual_arglist): Likewise.
(gfc_free_ref_list, gfc_replace_expr, gfc_copy_ref): Likewise.
(find_substring_ref, gfc_simplify_expr, gfc_check_assign_symbol):
Likewise.
* frontend-passes.c (gfc_run_passes, cfe_expr_0): Likewise.
(strip_function_call, optimize_comparison): Likewise.
* interface.c (gfc_free_interface, arginfo, check_interface0): Likewise.
(CHECK_OS_COMPARISON, gfc_extend_assign, gfc_free_formal_arglist):
Likewise.
* intrinsic.c (gfc_intrinsic_done_1, gfc_convert_type_warn): Likewise.
(gfc_convert_chartype): Likewise.
* io.c (gfc_free_open, compare_to_allowed_values, gfc_free_close):
Likewise.
(gfc_free_filepos, gfc_free_dt, gfc_free_inquire): Likewise.
* match.c (gfc_free_iterator, gfc_match_associate): Likewise.
(gfc_free_alloc_list, gfc_free_namelist, gfc_free_equiv_until):
Likewise.
(free_case, gfc_free_forall_iterator): Likewise.
* misc.c: Likewise.
* module.c (free_pi_tree, resolve_fixups, free_rename): Likewise.
(free_true_name, peek_atom, mio_allocated_wide_string): Likewise.
(mio_pool_string, mio_internal_string, mio_gmp_integer): Likewise.
(mio_gmp_real, mio_expr, mio_typebound_proc): Likewise.
(mio_full_typebound_tree, skip_list, load_equiv): Likewise.
(free_written_common, gfc_use_module, gfc_free_use_stmts): Likewise.
* openmp.c (gfc_free_omp_clauses): Likewise.
* options.c (gfc_post_options): Likewise.
* parse.c (select_type_pop, parse_omp_structured_block): Likewise.
* primary.c (gfc_free_structure_ctor_component): Likewise.
* resolve.c (resolve_structure_cons, check_host_association): Likewise.
(gfc_resolve_forall, resolve_equivalence): Likewise.
* scanner.c (gfc_scanner_done_1, gfc_release_include_path): Likewise.
(gfc_define_undef_line, preprocessor_line, include_line): Likewise.
(load_file, gfc_read_orig_filename): Likewise.
* simplify.c (simplify_transformation_to_array): Likewise.
(gfc_simplify_ibits, simplify_shift, gfc_simplify_ishftc, STRING):
Likewise.
(gfc_simplify_compiler_options): Likewise.
* st.c (gfc_free_statement, gfc_free_statements): Likewise.
(gfc_free_association_list): Likewise.
* symbol.c (free_components, gfc_free_st_label, free_st_labels):
Likewise.
(gfc_delete_symtree, gfc_free_symbol, gfc_undo_symbols): Likewise.
(free_old_symbol, gfc_commit_symbols, free_tb_tree): Likewise.
(free_common_tree, free_uop_tree, free_sym_tree): Likewise.
(gfc_free_dt_list, gfc_free_equiv_infos, gfc_free_equiv_lists):
Likewise.
(gfc_free_finalizer, gfc_free_charlen, free_entry_list): Likewise.
(gfc_free_namespace): Likewise.
* trans-array.c (gfc_free_ss, gfc_trans_array_bound_check): Likewise.
(gfc_conv_array_ref, gfc_conv_ss_startstride): Likewise.
(gfc_trans_dummy_array_bias, gfc_conv_array_parameter): Likewise.
* trans-common.c (get_init_field, create_common): Likewise.
* trans-const.c (gfc_build_wide_string_const): Likewise.
(gfc_conv_string_init): Likewise.
* trans-decl.c (gfc_generate_function_code): Likewise.
* trans-expr.c (gfc_conv_substring, gfc_free_interface_mapping):
Likewise.
(SCALAR_POINTER, gfc_conv_statement_function): Likewise.
(gfc_trans_subarray_assign): Likewise.
* trans-intrinsic.c (conv_generic_with_optional_char_arg): Likewise.
* trans-io.c (gfc_trans_io_runtime_check, set_string): Likewise.
(transfer_namelist_element, transfer_array_component): Likewise.
* trans-openmp.c (gfc_trans_omp_array_reduction): Likewise.
* trans-stmt.c (cleanup_forall_symtrees, gfc_trans_forall_1): Likewise.
* trans.c (trans_runtime_error_vararg, gfc_restore_backend_locus):
Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@172666 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@172247 138bc75d-0d04-0410-961f-82ee72b054a4
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PR fortran/48448
* gfortran.h (gfc_option_t): Add warn_function_elimination and
flag_frontend_optimize.
* lang.opt (Wfunction-elimination): Add.
(ffrontend-optimize): Add.
* invoke.texi: Add documentation for -Wfunction-elimination
and -ffrontend-optimize. Add -faggressive-function-elimination
to list of code generation options.
* frontend-passes.c (gfc_run_passes): Run optimizations if
flag_frontend_optimize is set.
(warn_function_elimination): New function.
(cfe_expr_0): Call it if requested to do so.
* options.c (gfc_init_options): Initiate warn_function_elimination
and flag_frontend_optimize.
(gfc_post_options): Set flag_frontend_optimize if not specified
by user, depending on the optimization level.
(gfc_handle_option): Handle -Wfunction-elimination and
-ffrontend-optimize.
2011-04-08 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/48448
* gfortran.dg/function_optimize_5.f90: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@172215 138bc75d-0d04-0410-961f-82ee72b054a4
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* frontend-passes: (optimize_lexical_comparison): New function.
(optimize_expr): Call it.
(optimize_comparison): Also handle lexical comparison functions.
Return false instad of -2 for unequal comparison.
2010-04-04 Thomas Koenig <tkoenig@gcc.gnu.org>
* gfortran.dg/character_comparison_8.f90: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@171953 138bc75d-0d04-0410-961f-82ee72b054a4
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PR fortran/48412
* frontend-passes (cfe_expr_0): Reverse the order of going
through the loops.
2011-04-04 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/48412
* function_optimize_4.f90: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@171952 138bc75d-0d04-0410-961f-82ee72b054a4
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PR fortran/48352
* frontend-passes (cfe_register_funcs): Don't
register functions if they appear as iterators in DO loops.
2011-04-01 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/48352
* gfortran.dg/function_optimize_3.f90: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@171849 138bc75d-0d04-0410-961f-82ee72b054a4
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* gfortran.dg/function_optimize_1.f90: Add -Warray-temporaries,
check for corresponding warning.
2011-03-29 Thomas Koenig <tkoenig@gcc.gnu.org>
* frontend-passes.c (create_var): Warn about creating an
array temporary if requested.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@171653 138bc75d-0d04-0410-961f-82ee72b054a4
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PR fortran/47065
* frontend-passes (optimize_trim): Also follow references, except
when they are substring references or array references.
2011-03-27 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/47065
* gfortran.dg/trim_optimize_5.f90: New test.
* gfortran.dg/trim_optimize_6.f90: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@171575 138bc75d-0d04-0410-961f-82ee72b054a4
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PR fortran/22572
* gfortran.h (gfc_option_t) : Add
flag_aggressive_function_elimination.
(gfc_dep_compare_functions): Add prototype.
* lang.opt: Add faggressive-function-elimination.
* invoke.texi: Document -faggressive-function-elimination.
* frontend_passes (expr_array): New static variable.
(expr_size): Likewise.
(expr_count): Likewise.
(current_code): Likewise.
(current_ns): Likewise.
(gfc_run_passes): Allocate and free space for expressions.
(cfe_register_funcs): New function.
(create_var): New function.
(cfc_expr_0): New function.
(cfe_code): New function.
(optimize_namespace): Invoke gfc_code_walker with cfe_code
and cfe_expr_0.
* dependency.c (gfc_dep_compare_functions): New function.
(gfc_dep_compare_expr): Use it.
* options.c (gfc_init_options): Handle
flag_aggressive_function_elimination.
(gfc_handle_option): Likewise.
2010-03-21 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/22572
* gfortran.dg/function_optimize_1.f90: New test.
* gfortran.dg/function_optimize_2.f90: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@171207 138bc75d-0d04-0410-961f-82ee72b054a4
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Mikael Morin <mikael@gcc.gnu.org>
PR fortran/45848
PR fortran/47204
* gfortran.h (gfc_code): Move union ext's case_list into
the struct block.
* dump-parse-tree.c (show_code_node): Adapt by prefixing
* case_list
by "block.".
* frontend-passes.c (gfc_code_walker): Ditto.
* match.c (gfc_match_goto, gfc_match_call, gfc_match_case,
gfc_match_type_is, gfc_match_class_is): Ditto.
* resolve.c (resolve_select, resolve_select_type): Ditto.
* st.c (gfc_free_statement): Ditto.
* trans-stmt.c (gfc_trans_integer_select,
* gfc_trans_logical_select,
gfc_trans_character_select): Ditto.
* parse.c (resolve_all_program_units): For error recovery, avoid
segfault is proc_name is NULL.
2011-01-13 Tobias Burnus <burnus@net-b.de>
Mikael Morin <mikael@gcc.gnu.org>
PR fortran/45848
PR fortran/47204
* gfortran.dg/select_type_20.f90: New.
* gfortran.dg/select_type_21.f90: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@168753 138bc75d-0d04-0410-961f-82ee72b054a4
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PR fortran/47065
* frontend-passes.c (count_arglist): Static variable to
count the nesting of argument lists.
(optimize_code): Set count_arglist to 1 if within a call
statement, to 0 otherwise.
(optimize_trim): New function.
(optimize_expr): Adjust count_arglist. Call optimize_trim.
2010-12-31 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/47065
* gfortran.dg/trim_optimize_3.f90: New test.
* gfortran.dg/trim_optimize_4.f90: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@168367 138bc75d-0d04-0410-961f-82ee72b054a4
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* frontend-passes.c (gfc_code_walker): Handle expressions
in EXEC_CALL, EXEC_ASSIGN_CALL and EXEC_CALL_PPC.
Separate cases in switch statements by blank lines.
2010-12-29 Thomas Koenig <tkoenig@gcc.gnu.org>
* gfortran.dg/character_comparison_7.f90: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@168320 138bc75d-0d04-0410-961f-82ee72b054a4
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* gfortran.h (gfc_option_t): Replace dump_parse_tree by
dump_fortran_original and add dump_fortran_optimized.
* lang.opt: Add fdump-fortran-original and
fdump-fortran-optimized. Document that fdump-parse-tree is
deprecated.
* gfortran.texi: Add -fdump-fortran-original and
-fdump-fortran-optimized. -fdump-parse-tree is deprecated.
* frontend-passes.c (gfc_run_passes): If optimizing and
if gfc_option.dump_fortran_optimized is set, dump the parse tree
after optimization.
* parse.c: Rename gfc_option.dump_parse_tree to
gfc_option.dump_fortran_original.
* options.c (gfc_init_options): Rename gfc_option.dump_parse_tree
to gfc_option.dump_fortran_original and handle
gfc_option.dump_fortran_optimize.
(gfc_post_options): Rename gfc_option.dump_parse_tree
to gfc_option.dump_fortran_original.
(gfc_handle_option): Rename OPT_fdump_parse_tree to
OPT_fdump_fortran_original and gfc_option.dump_parse_tree
to gfc_option.dump_fortran_original. Handle
OPT_fdump_fortran_optimized.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@166091 138bc75d-0d04-0410-961f-82ee72b054a4
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* frontend-passes.c: Include opts.h.
(optimize_comparison): Renamed from optimize_equality.
Change second argument to operation to be compared.
Use flag_finite_math_only to avoid comparing REAL and
COMPLEX only when NANs are honored. Simplify comparing
of string concatenations where left or right operands are
equal. Simplify all comparison operations, based on the result
of gfc_dep_compare_expr.
* dependency.c: Include arith.h.
(gfc_are_identical_variables): Volatile variables should not
compare equal to themselves.
(gfc_dep_compare_expr): Handle string constants and string
concatenations.
2010-10-09 Thomas Koenig <tkoenig@gcc.gnu.org>
* gfortran.dg/character_comparison_4.f90: New test.
* gfortran.dg/character_comparison_5.f90: New test.
* gfortran.dg/character_comparison_6.f90: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@165248 138bc75d-0d04-0410-961f-82ee72b054a4
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PR fortran/45744
* frontend-passes.c (optimize_binop_array_assignment):
Only re-use lhs as intermediate storage if kind and type
parameters match.
2010-09-23 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/45744
* gfortran.dg/dependency_36.f90: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@164570 138bc75d-0d04-0410-961f-82ee72b054a4
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* frontend-passes.c (gfc_expr_walker): Also
handle EXPR_SUBSTRING.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@164404 138bc75d-0d04-0410-961f-82ee72b054a4
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* frontend-passes.c (gfc_expr_walker): Handle
constructors and references.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@164403 138bc75d-0d04-0410-961f-82ee72b054a4
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(gfc_expr_walker, gfc_code_walker): New prototypes.
* frontend-passes.c (gfc_expr_walker, gfc_code_walker): New functions.
(WALK_SUBEXPR, WALK_SUBEXPR_TAIL, WALK_SUBCODE): Define.
(optimize_namespace): Use gfc_code_walker.
(optimize_code, optimize_expr): Rewritten as gfc_code_walker hooks.
(optimize_expr_0, optimize_code_node,
optimize_actual_arglist): Removed.
(optimize_assignment): Don't call optimize_expr_0.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@164342 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@164014 138bc75d-0d04-0410-961f-82ee72b054a4
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PR fortran/36931
* frontend-passes.c (optimize_binop_array_assignment): New
function.
(optimize_assignment): Call it.
2010-09-06 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/36931
* gfortran.dg/dependency_35.f90: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@163934 138bc75d-0d04-0410-961f-82ee72b054a4
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* dump_parse_tree (gfc_run_passes): Call optimize_namespace
instead of optimize_code.
(optimize_namespace): New function.
2010-09-03 Thomas Koenig <tkoenig@gcc.gnu.org>
* gfortran.dg/trim_optimize_2.f90: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@163846 138bc75d-0d04-0410-961f-82ee72b054a4
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PR fortran/45380
* frontend-passes.c (optimize_equality): Don't optimize array equality
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@163484 138bc75d-0d04-0410-961f-82ee72b054a4
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PR fortran/36854
* dependency.h: Add prototype for gfc_are_identical_variables.
* frontend-passes.c: Include depencency.h.
(optimimize_equality): Use gfc_are_identical_variables.
* dependency.c (identical_array_ref): New function.
(gfc_are_identical_variables): New function.
(gfc_deb_compare_expr): Use gfc_are_identical_variables.
* dependency.c (gfc_check_section_vs_section). Rename gfc_
prefix from statc function.
(check_section_vs_section): Change arguments to gfc_array_ref,
adjust function body accordingly.
2010-08-02 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/36854
* gfortran.dg/character_comparison_2.f90: New test.
* gfortran.dg/character_comparison_3.f90: New test.
* gfortran.dg/dependency_28.f90: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@162824 138bc75d-0d04-0410-961f-82ee72b054a4
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PR fortran/40628
* Make-lang.in: Add fortran/frontend-passes.o.
* gfortran.h: Add prototype for gfc_run_passes.
* resolve.c (gfc_resolve): Call gfc_run_passes.
* frontend-passes.c: New file.
2010-07-25 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/40628
* trim_optimize_1.f90: New test.
* character_comparision_1.f90: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@162519 138bc75d-0d04-0410-961f-82ee72b054a4
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