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59 Commits

Author SHA1 Message Date
Christopher D. Rickett 972345f2c9 re PR fortran/32600 ([ISO Bind C] C_F_POINTER w/o SHAPE should not be a library function) 
2007-07-19  Christopher D. Rickett  <crickett@lanl.gov>

	PR fortran/32600
	* trans-expr.c (gfc_conv_function_call): Inline C_LOC.


2007-07-19  Christopher D. Rickett  <crickett@lanl.gov>

	PR fortran/32600
	* libgfortran/intrinsics/iso_c_binding.c: Remove C_LOC.
	* libgfortran/intrinsics/iso_c_binding.h: Ditto.
	* libgfortran/gfortran.map: Ditto.

From-SVN: r126744
 2007-07-19 08:14:19 +02:00
Jerry DeLisle 2bb6de3a7e re PR libfortran/32611 (Print sign of negative zero) 
2007-07-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
	    Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/32611
	* runtime/compile_options.c (set_std): Remove.
	(set_options): New function.
	(init_compile_options): Add initialization for -fsign-zero option.
	* gfortran.map (GFORTRAN_1.0): Rename _gfortran_set_std into
	_gfortran_set_options.
	* libgfortran.h (compile_options_t): Add sign_zero field.
	* io/write.c (output_float): Use the sign bit of the value to determine
	if a negative sign should be emitted for zero values.  Do not emit the
	negative sign for zero if -fno-sign-zero was set during compile.

Co-Authored-By: Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>

From-SVN: r126654
 2007-07-15 16:26:22 +00:00
Christopher D. Rickett a8b3b0b633 [multiple changes] 
2007-07-01  Christopher D. Rickett  <crickett@lanl.gov>

	* interface.c (gfc_compare_derived_types): Special case for comparing
	derived types across namespaces.
	(gfc_compare_types): Deal with BT_VOID.
	(compare_parameter): Use BT_VOID to accept ISO C Binding pointers.
	* trans-expr.c (gfc_conv_function_call): Remove setting parm_kind
	to SCALAR
	(gfc_conv_initializer): Deal with ISO C Binding NULL_PTR and 
	NULL_FUNPTR.
	(gfc_conv_expr): Convert expressions for ISO C Binding derived types.
	* symbol.c (gfc_set_default_type): BIND(C) variables should not be
	implicitly declared.
	(check_conflict): Add BIND(C) and check for conflicts.
	(gfc_add_explicit_interface): Whitespace.	
	(gfc_add_is_bind_c): New function.  
	(gfc_copy_attr): Use it.
	(gfc_new_symbol): Initialize ISO C Binding objects.
	(get_iso_c_binding_dt):  New function.
	(verify_bind_c_derived_type): Ditto.
	(gen_special_c_interop_ptr): Ditto.
	(add_formal_arg): Ditto.
	(gen_cptr_param): Ditto.
	(gen_fptr_param): Ditto.
	(gen_shape_param): Ditto.
	(add_proc_interface): Ditto.
	(build_formal_args): Ditto.
	(generate_isocbinding_symbol):  Ditto.
	(get_iso_c_sym):  Ditto.
	* decl.c (num_idents_on_line, has_name_equals): New variables.
	(verify_c_interop_param): New function.
	(build_sym): Finish binding labels and deal with COMMON blocks.
	(add_init_expr_to_sym): Check if the initialized expression is
	an iso_c_binding named constants
	(variable_decl): Set ISO C Binding type_spec components.
	(gfc_match_kind_spec): Check match for C interoperable kind.
	(match_char_spec): Fix comment. Chnage gfc_match_small_int
	to gfc_match_small_int_expr.  Check for C interoperable kind.
	(match_type_spec): Clear the current binding label.
	(match_attr_spec): Add DECL_IS_BIND_C.  If BIND(C) is found, use it
	to set attributes.
	(set_binding_label): New function.
	(set_com_block_bind_c): Ditto.
	(verify_c_interop): Ditto.
	(verify_com_block_vars_c_interop): Ditto.
	(verify_bind_c_sym): Ditto.
	(set_verify_bind_c_sym): Ditto.
	(set_verify_bind_c_com_block): Ditto.
	(get_bind_c_idents): Ditto.
	(gfc_match_bind_c_stmt): Ditto.
	(gfc_match_data_decl): Use num_idents_on_line.
	(match_result): Deal with right paren in BIND(C).
	(gfc_match_suffix): New function.
	(gfc_match_function_decl): Use it.  Code is re-arranged to deal with
	ISO C Binding result clauses.
	(gfc_match_subroutine):  Deal with BIND(C).
 	(gfc_match_bind_c): New function.
	(gfc_get_type_attr_spec): New function.  Code is re-arranged in and
	taken from gfc_match_derived_decl.
	(gfc_match_derived_decl): Add check for BIND(C).
	* trans-common.c: Forward declare gfc_get_common.
	(gfc_sym_mangled_common_id): Change arg from 'const char *name' to
	'gfc_common_head *com'.  Check for ISO C Binding of the common block.
	(build_common_decl): 'com->name' to 'com in SET_DECL_ASSEMBLER_NAME.
	* gfortran.h: Add GFC_MAX_BINDING_LABEL_LEN
	(bt): Add BT_VOID
	(sym_flavor): Add FL_VOID.
 	(iso_fortran_env_symbol, iso_c_binding_symbol, intmod_id): New enum
	(CInteropKind_t): New struct.
	(c_interop_kinds_table): Use it.  Declare an array of structs.
	(symbol_attribute): Add is_bind_c, is_c_interop, and is_iso_c
	bitfields.
	(gfc_typespec): Add is_c_interop; is_iso_c, and f90_type members.
	(gfc_symbol): Add from_intmod, intmod_sym_id, binding_label, and
	common_block members.
	(gfc_common_head): Add binding_label and is_bind_c members.
	(gfc_gsymbol): Add sym_name, mod_name, and binding_label members.
	Add prototypes for get_c_kind, gfc_validate_c_kind, 
	gfc_check_any_c_kind, gfc_add_is_bind_c, gfc_add_value,
	verify_c_interop, verify_c_interop_param, verify_bind_c_sym,
	verify_bind_c_derived_type, verify_com_block_vars_c_interop,
	generate_isocbinding_symbol, get_iso_c_sym, gfc_iso_c_sub_interface
	* iso-c-binding.def: New file. This file contains the definitions
	of the types provided by the Fortran 2003 ISO_C_BINDING intrinsic
	module.
	* trans-const.c (gfc_conv_constant_to_tree): Deal with C_NULL_PTR
	 or C_NULL_FUNPTR expressions.
	* expr.c (gfc_copy_expr): Add BT_VOID case.  For BT_CHARACTER, the
	ISO C Binding requires a minimum string length of 1 for '\0'.  
	* module.c (intmod_sym): New struct.
	(pointer_info): Add binding_label member.
	(write_atom): Set len to 0 for NULL pointers. Check for NULL p and *p.
	(ab_attribute): Add AB_IS_BIND_C, AB_IS_C_INTEROP and AB_IS_ISO_C.
	(attr_bits): Add "IS_BIND_C", "IS_C_INTEROP", and "IS_ISO_C".
	(mio_symbol_attribute): Deal with ISO C Binding attributes.
	(bt_types): Add "VOID".
	(mio_typespec): Deal with ISO C Binding components.
	(mio_namespace_ref): Add intmod variable. 
	(mio_symbol): Check for symbols from an intrinsic module.
	(load_commons): Check for BIND(C) common block.
	(read_module): Read binding_label and use it.
	(write_common): Add label.  Write BIND(C) info.
	(write_blank_common): Blank commons are not BIND(C).  Explicitly
	set is_bind_c=0.
	(write_symbol): Deal with binding_label.
	(sort_iso_c_rename_list): New function.
	(import_iso_c_binding_module): Ditto.
	(create_int_parameter): Add to args.
	(use_iso_fortran_env_module): Adjust to deal with iso_c_binding
	intrinsic module.
	* trans-types.c (c_interop_kinds_table): new array of structs. 
	(gfc_validate_c_kind): New function.
	(gfc_check_any_c_kind): Ditto.
	(get_real_kind_from_node): Ditto.
	(get_int_kind_from_node): Ditto.
	(get_int_kind_from_width): Ditto.
	(get_int_kind_from_minimal_width): Ditto.
	(init_c_interop_kinds): Ditto.
	(gfc_init_kinds): call init_c_interop_kinds.
	(gfc_typenode_for_spec): Adjust for BT_VOID and ISO C Binding pointers.
	Adjust handling of BT_DERIVED.
	(gfc_sym_type): Whitespace.
	(gfc_get_derived_type):  Account for iso_c_binding derived types
	* resolve.c (is_scalar_expr_ptr): New function.
	(gfc_iso_c_func_interface): Ditto.
	(resolve_function): Use gfc_iso_c_func_interface. 
	(set_name_and_label): New function.
	(gfc_iso_c_sub_interface): Ditto.
	(resolve_specific_s0): Use gfc_iso_c_sub_interface.
	(resolve_bind_c_comms): New function.
	(resolve_bind_c_derived_types): Ditto.
	(gfc_verify_binding_labels): Ditto.
	(resolve_fl_procedure): Check for ISO C interoperability.
	(resolve_symbol): Check C interoperability.
	(resolve_types): Walk the namespace.  Check COMMON blocks.
	* trans-decl.c (gfc_sym_mangled_identifier):  Prevent the mangling
	of identifiers that have an assigned binding label.
	(gfc_sym_mangled_function_id): Use the binding label rather than
	the mangled name.
	(gfc_finish_var_decl): Put variables that are BIND(C) into a common
	segment of the object file, because this is what C would do.
	(gfc_create_module_variable): Conver to proper types
	(set_tree_decl_type_code): New function.
	(generate_local_decl): Check dummy variables and derived types for
	ISO C Binding attributes.
	* match.c (gfc_match_small_int_expr): New function.
	(gfc_match_name_C): Ditto.
	(match_common_name): Deal with ISO C Binding in COMMON blocks
	* trans-io.c (transfer_expr):  Deal with C_NULL_PTR or C_NULL_FUNPTR
	expressions
	* match.h: Add prototypes for gfc_match_small_int_expr,
	gfc_match_name_C, match_common_name, set_com_block_bind_c,
	set_binding_label, set_verify_bind_c_sym,
	set_verify_bind_c_com_block, get_bind_c_idents,
	gfc_match_bind_c_stmt, gfc_match_suffix, gfc_match_bind_c,
	gfc_get_type_attr_spec
	* parse.c (decode_statement): Use gfc_match_bind_c_stmt
	(parse_derived): Init *derived_sym = NULL, and gfc_current_block
	later for valiadation.
	* primary.c (got_delim): Set ISO C Binding components of ts.
	(match_logical_constant): Ditto.
	(match_complex_constant): Ditto.
	(match_complex_constant): Ditto.
	(gfc_match_rvalue): Check for existence of at least one arg for
	C_LOC, C_FUNLOC, and C_ASSOCIATED.
	* misc.c (gfc_clear_ts): Clear ISO C Bindoing components in ts.
	(get_c_kind): New function.

2007-07-01  Christopher D. Rickett  <crickett@lanl.gov>

	* Makefile.in: Add support for iso_c_generated_procs.c and
	iso_c_binding.c.
	* Makefile.am: Ditto.
	* intrinsics/iso_c_generated_procs.c: New file containing helper
	functions.
	* intrinsics/iso_c_binding.c: Ditto.
	* intrinsics/iso_c_binding.h: New file
	* gfortran.map: Include the __iso_c_binding_c_* functions.
	* libgfortran.h: define GFC_NUM_RANK_BITS.

2007-06-23  Christopher D. Rickett  <crickett@lanl.gov>

	* bind_c_array_params.f03: New files for Fortran 2003 ISO C Binding.
	* bind_c_coms.f90: Ditto.
	* bind_c_coms_driver.c: Ditto.
	* bind_c_dts.f90: Ditto.
	* bind_c_dts_2.f03: Ditto.
	* bind_c_dts_2_driver.c: Ditto.
	* bind_c_dts_3.f03: Ditto.
	* bind_c_dts_4.f03: Ditto.
	* bind_c_dts_driver.c: Ditto.
	* bind_c_implicit_vars.f03: Ditto.
	* bind_c_procs.f03: Ditto.
	* bind_c_usage_2.f03: Ditto.
	* bind_c_usage_3.f03: Ditto.
	* bind_c_usage_5.f03: Ditto.
	* bind_c_usage_6.f03: Ditto.
	* bind_c_usage_7.f03: Ditto.
	* bind_c_vars.f90: Ditto.
	* bind_c_vars_driver.c: Ditto.
	* binding_c_table_15_1.f03: Ditto.
	* binding_label_tests.f03: Ditto.
	* binding_label_tests_10.f03: Ditto.
	* binding_label_tests_10_main.f03: Ditto.
	* binding_label_tests_11.f03: Ditto.
	* binding_label_tests_11_main.f03: Ditto.
	* binding_label_tests_12.f03: Ditto.
	* binding_label_tests_13.f03: Ditto.
	* binding_label_tests_13_main.f03: Ditto.
	* binding_label_tests_14.f03: Ditto.
	* binding_label_tests_2.f03: Ditto.
	* binding_label_tests_3.f03: Ditto.
	* binding_label_tests_4.f03: Ditto.
	* binding_label_tests_5.f03: Ditto.
	* binding_label_tests_6.f03: Ditto.
	* binding_label_tests_7.f03: Ditto.
	* binding_label_tests_8.f03: Ditto.
	* binding_label_tests_9.f03: Ditto.
	* c_assoc.f90: Ditto.
	* c_assoc_2.f03: Ditto.
	* c_f_pointer_shape_test.f90: Ditto.
	* c_f_pointer_tests.f90: Ditto.
	* c_f_tests_driver.c: Ditto.
	* c_funloc_tests.f03: Ditto.
	* c_funloc_tests_2.f03: Ditto.
	* c_funloc_tests_3.f03: Ditto.
	* c_funloc_tests_3_funcs.c: Ditto.
	* c_kind_params.f90: Ditto.
	* c_kind_tests_2.f03: Ditto.
	* c_kinds.c: Ditto.
	* c_loc_driver.c: Ditto.
	* c_loc_test.f90: Ditto.
	* c_loc_tests_2.f03: Ditto.
	* c_loc_tests_2_funcs.c: Ditto.
	* c_loc_tests_3.f03: Ditto.
	* c_loc_tests_4.f03: Ditto.
	* c_loc_tests_5.f03: Ditto.
	* c_loc_tests_6.f03: Ditto.
	* c_loc_tests_7.f03: Ditto.
	* c_loc_tests_8.f03: Ditto.
	* c_ptr_tests.f03: Ditto.
	* c_ptr_tests_10.f03: Ditto.
	* c_ptr_tests_5.f03: Ditto.
	* c_ptr_tests_7.f03: Ditto.
	* c_ptr_tests_7_driver.c: Ditto.
	* c_ptr_tests_8.f03: Ditto.
	* c_ptr_tests_8_funcs.c: Ditto.
	* c_ptr_tests_9.f03: Ditto.
	* c_ptr_tests_driver.c: Ditto.
	* c_size_t_driver.c: Ditto.
	* c_size_t_test.f03: Ditto.
	* com_block_driver.f90: Ditto.
	* global_vars_c_init.f90: Ditto.
	* global_vars_c_init_driver.c: Ditto.
	* global_vars_f90_init.f90: Ditto.
	* global_vars_f90_init_driver.c: Ditto.
	* interop_params.f03: Ditto.
	* iso_c_binding_only.f03: Ditto.
	* iso_c_binding_rename_1.f03: Ditto.
	* iso_c_binding_rename_1_driver.c: Ditto.
	* iso_c_binding_rename_2.f03: Ditto.
	* iso_c_binding_rename_2_driver.c: Ditto.
	* kind_tests_2.f03: Ditto.
	* kind_tests_3.f03: Ditto.
	* module_md5_1.f90: Ditto.
	* only_clause_main.c: Ditto.
	* print_c_kinds.f90: Ditto.
	* test_bind_c_parens.f03: Ditto.
	* test_c_assoc.c: Ditto.
	* test_com_block.f90: Ditto.
	* test_common_binding_labels.f03: Ditto.
	* test_common_binding_labels_2.f03: Ditto.
	* test_common_binding_labels_2_main.f03: Ditto.
	* test_common_binding_labels_3.f03: Ditto.
	* test_common_binding_labels_3_main.f03: Ditto.
	* test_only_clause.f90: Ditto.
	* use_iso_c_binding.f90: Ditto.
	* value_5.f90: Ditto.
	* value_test.f90: Ditto.
	* value_tests_f03.f90: Ditto.

From-SVN: r126185
 2007-07-02 02:47:21 +00:00
Janne Blomqvist 31c97dfe34 re PR fortran/32239 (optimize power in loops, use __builtin_powi instead of _gfortran_pow_r4_i4) 
gcc/fortran:
	
2007-07-01  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/32239
	* trans-expr.c (gfc_conv_power_op): Use builtin_powi for
	real**int4 powers.
	* f95-lang.c (gfc_init_builtin_functions): Add builtin_powi to the
	builtins table.

	
libgfortran:
	
2007-07-01  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/32239
	* Makefile.am: Don't generate real**int4 pow functions.
	* gfortran.map: Remove real**int4 pow symbols.
	* Makefile.in: Regenerated.

testsuite

2007-07-01  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/32239
	* gfortran.fortran-torture/execute/intrinsic_fraction_exponent.f90
	(test_4): Use proper test for floating point equality.
	(test_8): Likewise.

From-SVN: r126175
 2007-07-01 19:24:38 +03:00
Janne Blomqvist a6bd380438 fortran frontend: 
2007-07-01  Janne Blomqvist  <jb@gcc.gnu.org>

	* trans.h: Remove decls for 64-bit allocation functions.
	* trans-array.c (gfc_grow_array): Always pick the standard realloc
	function decl.
	(gfc_array_allocate): Likewise.
	* trans-decl.c: Remove trees for 64-bit allocation functions.
	(gfc_build_builtin_function_decls): Don't build fndecls for 64-bit
	allocations functions, use index_int_type for normal allocation
	functions.

libgfortran changelog:

2007-07-01  Janne Blomqvist  <jb@gcc.gnu.org>

	* runtime/memory.c (internal_realloc): Use index_type for size
	argument instead of GFC_INTEGER_4.
	(allocate_array): Likewise.
	(allocate): Likewise, add ifdef around unnecessary check.
	(internal_reallo64): Remove.
	(allocate_array64): Remove.
	(allocate64): Remove.
	* gfortran.map: Remove symbols for 64-bit allocation functions.

From-SVN: r126166
 2007-07-01 15:08:59 +03:00
Francois-Xavier Coudert 1529b8d9be re PR fortran/30723 (Freeing memory doesn't need to call a library function) 
PR fortran/30723

	* trans.h (gfor_fndecl_internal_malloc, gfor_fndecl_internal_malloc64,
	gfor_fndecl_internal_free): Remove prototypes.
	(gfor_fndecl_os_error, gfc_call_free, gfc_call_malloc): Add prototypes.
	* trans.c (gfc_call_malloc, gfc_call_free): New functions.
	* f95-lang.c (gfc_init_builtin_functions): Add __builtin_free
	and __builtin_malloc builtins.
	* trans-decl.c (gfor_fndecl_internal_malloc,
	gfor_fndecl_internal_malloc64, gfor_fndecl_internal_free): Remove.
	(gfor_fndecl_os_error): Add.
	(gfc_build_builtin_function_decls): Don't create internal_malloc,
	internal_malloc64 and internal_free library function declaration.
	Create os_error library call function declaration.
	* trans-array.c (gfc_trans_allocate_array_storage,
	gfc_trans_auto_array_allocation, gfc_trans_dummy_array_bias,
	gfc_conv_array_parameter, gfc_duplicate_allocatable): Use
	gfc_call_malloc and gfc_call_free instead of building calls to
	internal_malloc and internal_free.
	* trans-expr.c (gfc_conv_string_tmp): Likewise.
	* trans-stmt.c (gfc_do_allocate, gfc_trans_assign_need_temp,
	gfc_trans_pointer_assign_need_temp, gfc_trans_forall_1,
	gfc_trans_where_2: Likewise.
	* trans-intrinsic.c (gfc_conv_intrinsic_ctime,
	gfc_conv_intrinsic_fdate, gfc_conv_intrinsic_ttynam,
	gfc_conv_intrinsic_array_transfer, gfc_conv_intrinsic_trim): Likewise.

	* runtime/memory.c (internal_malloc, internal_malloc64,
	internal_free): Remove.
	* runtime/error.c (os_error): Export function.
	* intrinsics/move_alloc.c: Include stdlib.h.
	(move_alloc): Call free instead of internal_free.
	(move_alloc_c): Wrap long lines.
	* libgfortran.h (os_error): Export prototype.
	(internal_free): Remove prototype.
	* gfortran.map (GFORTRAN_1.0): Remove _gfortran_internal_free,
	_gfortran_internal_malloc and _gfortran_internal_malloc64.
	Add _gfortran_os_error.

From-SVN: r124721
 2007-05-14 19:33:57 +00:00
Jerry DeLisle cb13c28858 re PR fortran/31201 (Too large unit number generates wrong code) 
2007-05-06  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/31201
	* runtime/error.c (runtime_error_at): New function.
	(generate_error): Export this function.
	* gfortran.map: Add _gfortran_generate_error and
	_gfortran_runtime_error_at.
	* libgfortran.h: Add comment to reference error codes in front end.
	(library_start): Locate prototype with library_end macro and add
	a new comment.  Add prototype for runtime_error_at. Export prototype for
	generate_error.
	* io/lock.c (library_start): Fix check for error condition.
	* io/transfer.c (data_transfer_init): Add library check.

From-SVN: r124479
 2007-05-06 22:28:31 +00:00
Daniel Franke dcdc26dfd5 re PR target/22539 (Internal compiler error with maximum sized array) 
gcc/fortran:
2007-05-04  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/22539
	* intrinsic.c (add_subroutines): Added FSEEK.
	* intrinsic.h (gfc_resolve_fseek_sub, gfc_check_fseek_sub): New.
	* iresolve.c (gfc_resolve_fseek_sub): New.
	* check.c (gfc_check_fseek_sub): New.
	* intrinsic.texi (FSEEK): Updated.

gcc/testsuite:
2007-05-01  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/22539
	* gfortran.dg/fseek.f90: New test.

libgfortran:
2007-05-04  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/22539
	* io/intrinsics.c (fseek_sub): New.
	* io/unix.c (fd_fseek): Change logical and physical offsets only
	if seek succeeds.
	* gfortran.map (fseek_sub): New.

From-SVN: r124437
 2007-05-04 14:02:18 -04:00
Janne Blomqvist c0e7e2bf13 re PR libfortran/27740 (libgfortran should use versioned symbols) 
2007-04-24  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/27740
	* configure.ac: New test to determine if symbol versioning is
	supported.
	* Makefile.am: Use result of above test to add appropriate linker
	flags.
	* gfortran.map: New file.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
	* config.h.in: Regenerated.

From-SVN: r124098
 2007-04-24 12:08:52 +03:00