2007-07-19  Release Manager

	* GCC 4.2.1 released.

2007-07-10  Brooks Moses  <brooks.moses@codesourcery.com>

	Backport from trunk:
	PR fortran/31823
	* intrinsic.texi (CMPLX): Document result kind.
	(COMPLEX): Add documentation.

2007-06-20  Daniel Franke  <franke.daniel@gmail.com>

	Backport from trunk:
	PR fortran/32002
	* resolve.c (resolve_actual_arglist): Resolve actual argument after
	being identified as variable.

2007-06-20  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/32302
	* trans-common.c (build_common_decl): If resizing of common
	decl is needed, update the TREE_TYPE.

2007-05-31  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/31483
	* trans-expr.c (gfc_conv_function_call): Give a dummy
	procedure the correct type if it has alternate returns.
	

	PR fortran/31540
	* resolve.c (resolve_fl_procedure): Resolve constant character
	lengths.

	PR fortran/31867
	PR fortran/31994
	* trans-array.c (gfc_conv_expr_descriptor): Obtain the stored
	offset for non-descriptor, source arrays and correct for stride
	not equal to one before writing to field of output descriptor.

2007-05-17  Tobias Burnus  <burnus@net-b.de>

	* gfortran.texi (GFORTRAN_CONVERT_UNIT): Improve documentation.

2007-05-16  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR fortran/31725
	* trans-expr.c (gfc_conv_substring): Evaluate substring bounds
	only once.

2007-05-13  Release Manager

	* GCC 4.2.0 released.

2007-04-30  Daniel Franke  <franke.daniel@gmail.com>

	* intrinsic.texi (IERRNO): Changed class to non-elemental function.
	(LOG10): Removed COMPLEX as accepted argument type.
	(NEW_LINE): Changed class from elemental to inquiry function.
	(SIGN): Removed requirement of scalar arguments.
	(SNGL): Changed class to elemental function.

2007-04-29  Daniel Franke  <franke.daniel@gmail.com>

	* gfortran.texi: Cleaned up keyword index.
	* invoke.texi: Likewise.
	* intrinsic.texi: Likewise.

2007-04-29  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/31711
	* trans-array.c (gfc_conv_resolve_dependencies): Create a temp
	whenever a dependency is found.

2007-04-27  Brooks Moses  <brooks.moses@codesourcery.com>

	* intrinsic.texi (Transfer): Improve documentation.

2007-04-27  Brooks Moses  <brooks.moses@codesourcery.com>

	* gfortran.texi (Option Index): Add @samp as needed.
	* invoke.texi: Removed extraneous line.
	(-fshort-enums): Fixed intexing.

2007-04-27  Daniel Franke  <franke.daniel@gmail.com>

	Backport from trunk:
	* intrinsic.texi (NULL, PACK, PRESENT, REPEAT, SCAN, SHAPE, 
	SIZE, TRANSPOSE, TRIM, VERIFY): New.
	(ADJUSTL, ADJUSTR, INDEX): Added cross references.
	(INT, INT2, INT8, LONG): Enabled section header.

	* intrinsic.texi (PRODUCT, RESHAPE, SPACING, SPREAD, SUM, 
	SYSTEM_CLOCK, TRANSFER, UNPACK): New.
	(DATE_AND_TIME, CPU_TIME, RRSPACING): Added cross references.

	* intrinsic.texi (AND, FPUT, FPUTC, MODULO, OR, SET_EXPONENT,
	XOR): Fixed examples.

	* gfortran.texi: Added node and menu entry for an option index.
	* invoke.texi: Moved command line option related entries of the concept 
	index to the option index.

2007-04-12  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/31234
	* intrinsic.texi (RANDOM_SEED, RANDOM_NUMBER): New.

2007-03-23  Brooks Moses  <brooks.moses@codesourcery.com>

	* invoke.texi: Misc. small typo fixes.
	(-Wcharacter-truncation): Add.
	(-Wnonstd-intrinsics): Correct spelling.
	(-std=): Edit.

2007-03-17  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/31184
	* invoke.texi: Fix typo.

2007-03-14  Jakub Jelinek  <jakub@redhat.com>

	* module.c (mio_typespec): Don't look at ts->cl if not BT_CHARACTER.

2007-03-13  Brooks Moses  <brooks.moses@codesourcery.com>

	PR fortran/30933
	PR fortran/30948
	PR fortran/30953
	* intrinsics.texi (CHDIR): Fix argument names, note
	that STATUS must be a default integer.
	(CTIME): Fix argument names, note that RESULT must
	be a default integer.
	(EXIT): Note that STATUS must be a default integer.

2007-03-13  Brooks Moses  <brooks.moses@codesourcery.com>

	Backport from trunk:
	PR fortran/28068
	* intrinsic.texi: General whitespace cleanup, remove
	comment about missing intrinsics.
	(menu): Add lines for new entries listed below.
	(ACOSH): Mention specific function DACOSH, correct
	description phrasing.
	(ASINH): Mention specific function DASINH, correct
	description phrasing.
	(ATANH): Mention specific function DATANH, correct
	description phrasing.
	(COS): Add index entry for CCOS.
	(CPU_TIME): Correct "REAL" to "REAL(*)".
	(EXP): Add index entry for CEXP.
	(INT): Correct argument name to "A".
	(INT2): New entry.
	(INT8): New entry.
	(LONG): New entry.
	(MAX): Add index entries for specific variants.
	(MCLOCK): New entry.
	(MCLOCK8): New entry.
	(SECNDS): Adjust to a more standard form.
	(SECOND): New entry.
	(TIME): Add cross-reference to MCLOCK.
	(TIME8): Add cross-reference to MCLOCK8.

2007-03-08  Brooks Moses  <brooks.moses@codesourcery.com>

	Backport from trunk:
	* intrinsic.texi: minor typo fixes, removed prologue.
	(FSEEK): moved to correct place in alphabetical order.
	(LINK) Document function form.
	(RENAME): Likewise.
	(SYMLNK): Likewise.
	(SYSTEM): Likewise.
	(UNLINK): Likewise.
	(ICHAR) Improve internal I/O note.
	(ACHAR): Reference it.
	(CHAR): Reference it.
	(IACHAR): Reference it.

2007-03-08  Daniel Franke  <franke.daniel@gmail.com>

	Backport from trunk:
	PR fortran/30947
	* check.c (gfc_check_alarm_sub): Added check for default integer
	kind of status argument.
	* iresolve.c (gfc_resolve_alarm_sub): Removed conversion of 
	status argument.
	* intrinsic.texi (ALARM): Extended documentation.

2007-03-08  Daniel Franke  <franke.daniel@gmail.com>

	Backport from trunk:
	* intrinsic.texi (GERROR, ISATTY, TTYNAM): New.
	(ABORT, FLUSH, FNUM, IRAND, MALLOC, SIGNAL, SRAND): Fixed typo.
	* intrinsic.c (add_subroutines): Adjusted dummy argument names
	of GERROR and TTYNAM.

2007-03-08  Paul Thomas  <pault@gcc.gnu.org>
	    Tobias Burnus  <burnus@net-b.de>

	PR fortran/30873
	* decl.c (gfc_match_entry): Remove erroneous entry result check.

2007-03-06  Daniel Franke  <franke.daniel@gmail.com>

	Backport from trunk:
	PR documentation/30950
	* intrinsic.texi (AND, CPU_TIME): Fix dummy argument names.
	(FREE): Fix call syntax.

2007-03-06  Brooks Moses  <brooks.moses@codesourcery.com>

	* invoke.texi: Corrected -Wtabs documentation.

2007-03-06  Brooks Moses  <brooks.moses@codesourcery.com>

	* intrinsic.texi: Backported typo fixes from trunk.
	* invoke.texi: Likewise.

2007-03-06  Brooks Moses  <brooks.moses@codesourcery.com>

	* intrinsic.texi: Limit column widths to a total of .85.

2007-03-05  Brooks Moses  <brooks.moses@codesourcery.com>

	* gfortran.texi (GFortran and G77): Rewrite completely.

2007-03-05  Brooks Moses  <brooks.moses@codesourcery.com>

	* match.c (gfc_match_name): Expanded comment.

2007-03-05  Brooks Moses  <brooks.moses@codesourcery.com>

	* gfortran.texi (Old-style kind specifications): Document
	special handling of old-style kind specifiers for COMPLEX.
	* decl.c (gfc_match_old_kind_spec): Document kind/bytesize
	assumptions for COMPLEX in comment.

2007-03-05  Brooks Moses  <brooks.moses@codesourcery.com>

	PR 31050
	* gfortranspec.c (lang_specific_driver): Update program
	name and copyright date.

2007-03-05  Brooks Moses  <brooks.moses@codesourcery.com>

	PR fortran/30437
	Backport from trunk:
	2007-01-25  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
	* lang.opt (Wall): Remove RejectNegative.
	* options.c (gfc_handle_option): Wall can be disabled.
	(set_Wall): Add a parameter for disabling Wall.

2007-03-05  Brooks Moses  <brooks.moses@codesourcery.com>

	* lang.opt: Add -fmax-errors= option.
	* gfortran.h (gfc_option_t): Add max_errors element.
	* options.c (gfc_init_options): Set max_errors default value
	to 25.
	(gfc_handle_options): Check -fmax_errors value, assign to
	gfc_option.max_errors.
	* error.c (gfc_increment_error_count): New function, which
	also checks whether the error count exceeds max_errors.
	(gfc_notify_std): Use it.
	(gfc_error): Use it.
	(gfc_error_now): Use it.
	(gfc_error_check): Use it.
	(gfc_warning): Reorder to match trunk.
	* invoke.texi: Added documentation for -fmax-errors option.

2007-03-05  Brooks Moses  <brooks.moses@codesourcery.com>

	* check.c (gfc_check_kill_sub): Add checks for non-scalar
	arguments.

2007-03-05  Brooks Moses  <brooks.moses@codesourcery.com>

	* lang.opt (-fmodule-private): Remove option.
	* gfortran.h (gfc_option_t): Remove module_access_private flag.
	* options.c (gfc_init_options): Remove initialization for it.
	(gfc_process_option): Remove handling for -fmodule-private.
	* module.c (gfc_check_access): Add comments, remove check for
	gfc_option.flag_module_access_private.

2007-03-05  Tobias Burnus  <burnus@net-b.de>

	PR fortran/30968
	* primary.c (next_string_char): Correct reading a character
	after the delimiter.
	(match_string_constant): Print warning message only once.

2007-03-05  Brooks Moses  <brooks.moses@codesourcery.com>

	* simplify.c (gfc_simplify_ibclr): Fix POS comparison.
	(gfc_simplify_ibset): Same.

2007-03-04  Brooks Moses  <brooks.moses@codesourcery.com>

	* check.c (same_type_check): Typo fix in comment.

2007-03-01  Tobias Schlueter  <tobi@gcc.gnu.org>

	Backport from trunk
	PR fortran/29441
	* intrinsic.c (gfc_intrinsic_func_interface): Always check if
	intrinsic is allowed in initialization expression.

2007-03-01  Paul Thomas  <pault@gcc.gnu.org>

	Backport from trunk
	PR fortran/30660
	* resolve.c (pure_function, resolve_function): Initialize name to
	null to clear up build warnings.
	(has_default_initializer): New function.
	(resolve_fl_variable): Call has_default_initializer to determine if
	the derived type has a default initializer to its ultimate
	components.

2007-02-28  Thomas Koenig  <Thomas.Koenig@online.de>

	Backport from trunk
	PR fortran/30869
	PR libfortran/30533
	PR libfortran/30765
	* match.c(gfc_match_iterator):  Remove conflict between
	loop variable and pointer.
	* fortran/iresolve.c(gfc_resolve_maxloc):  Remove coercion of
	argument to default integer.
	(gfc_resolve_minloc):  Likewise.

2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>

	* gfortran.texi: Standardize title page, remove version number
	from copyright page.

2007-02-24  Roger Sayle  <roger@eyesopen.com>
	    Paul Thomas <pault@gcc.gnu.org>

	PR fortran/30400
	* match.c (match_forall_iterator): Use gfc_match_expr instead
	of gfc_match_variable to match the iterator variable.  Return
	MATCH_NO if not a variable.  Remove the reset of the symbol's
	flavor in cleanup.

2007-02-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/30681
	* options.c (set_default_std_flags): New function to consolidate
	setting the flags. Relax warning level for obsolescent.
	(gfc_init_options): Use new function.
	(gfc_handle_option): Use new function.
	* match.c (match_arithmetic_if): Change to obsolescent from deleted.
	(gfc_match_if): Same.

2007-02-23  Tobias Burnus  <burnus@net-b.de>

	PR fortran/30793
	* trans-decl.c (gfc_generate_function_code): Do not initialize
	  pointers to derived components.

2007-02-22  Brooks Moses  <brooks.moses@codesourcery.com>

	* gfortran.texi (Old-style kind specifications): Document
	special handling of old-style kind specifiers for COMPLEX.
	* decl.c (gfc_match_old_kind_spec): Documented kind/bytesize
	assumptions in comment.

2007-02-21  Bernhard Fischer  <aldot@gcc.gnu.org>

	* parse.c (next_free): Gooble spaces after OpenMP sentinel.

2007-02-18  Brooks Moses  <brooks.moses@codesourcery.com>

	PR fortran/30235
	* interface.c (compare_actual_formal): check for
	alternate returns when iterating over non-present
	arguments.

2007-02-17  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30554
	* module.c (find_symtree_for_symbol): New function to return
	a symtree that is not a "unique symtree" given a symbol.
	(read_module): Do not automatically set pointer_info to
	referenced, if the symbol has a namespace, because this
	inhibits the generation of a unique symtree.  Recycle the
	symtree if possible by calling find_symtree_for_symbol. If a
	symbol is excluded by an ONLY clause, check to see if there is
	a symtree already loaded. If so, attach the symtree to the
	pointer_info.

	PR fortran/30319
	* decl.c (add_init_expr_to_sym): Make new charlen for an array
	constructor initializer.

2007-02-16  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/30779
	* scanner.c (gfc_next_char_literal): Add check for end of file after
	call to advance_line.

2007-02-16  Tobias Burnus  <burnus@net-b.de>

	PR fortran/30512
	* trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc,
	  gfc_conv_intrinsic_minmaxval): Use HUGE-1 for most negative integer.

2007-02-16  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/30720
	* trans-array.c (gfc_trans_create_temp_array): Remove use of the
	function argument. Always generate code for negative extent.
	Simplify said code.
	* trans-array.h (gfc_trans_create_temp_array): Change prototype.
	* trans-expr.c (gfc_conv_function_call): Remove use of last argument
	of gfc_trans_create_temp_array.
	* trans-intrinsic.c (gfc_conv_intrinsic_array_transfer): Likewise.
	* trans-stmt.c (gfc_conv_elemental_dependencies): Likewise.

2007-02-16  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/30611
	* trans-intrinsic.c (gfc_conv_intrinsic_repeat): Evaluate
	arguments only once. Generate check that NCOPIES argument is not
	negative.

2007-02-16  Thomas Koenig  <Thomas.Koenig@online.de>

	PR libfortran/30389
	* gfortran.h:  Remove gfc_simplify_init_1.
	* arith.h:  Remove third argument from gfc_compare_string.
	* arith.c(gfc_compare_expression):  Remove third argument
	from call to gfc_compare_string.
	(gfc_compare_string):  Remove third argument xcoll_table.
	Remove use of xcoll_table.
	* misc.c(gfc_init_1):  Remove call to gfc_simplify_init_1.
	* simplify.c(ascii_table):  Remove.
	(xascii_table): Likewise.
	(gfc_simplify_achar):  ICE if extract_int fails.  Remove use of
	ascii_table.  Warn if -Wsurprising and value < 0 or > 127.
	(gfc_simplify_char):  ICE if extract_int fails. Error if
	value < 0 or value > 255.
	(gfc_simplify_iachar):  Remove use of xascii_table.
	Char values outside of 0..255 are an ICE.
	(gfc_simplify_lge):  Remove use of xascii_table.
	(gfc_simplify_lgt):  Likewise.
	(gfc_simplify_lle):  Likewise.
	(gfc_simplify_llt):  Likewise.
	(invert_table):  Remove.
	(gfc_simplify_init_1):  Remove.

2007-02-16  Brooks Moses  <brooks.moses@codesourcery.com>

	PR 30381
	PR 30420
	* simplify.c (convert_mpz_to_unsigned): New function.
	(convert_mpz_to_signed): New function, largely based on
	twos_complement().
	(twos_complement): Removed.
	(gfc_simplify_ibclr): Add conversions to and from an
	unsigned representation before bit-twiddling.
	(gfc_simplify_ibset): Same.
	(gfc_simplify_ishftc): Add checks for overly large
	constant arguments, only check the third argument if
	it's present, carry over high bits into	the result as
	appropriate, and perform the final conversion back to
	a signed representation using the correct sign bit.
	(gfc_simplify_not): Removed unnecessary masking.

2007-02-14  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/30799
	* primary.c (match_logical_constant): Return MATCH_ERROR on invalid
	kind.

2007-02-12  Daniel Franke  <franke.daniel@gmail.com>

	Backport from trunk:
	2007-02-11  Daniel Franke  <franke.daniel@gmail.com>
	* intrinsic.texi (HOSTNM): Fix typographical error in syntax.
	(SLEEP): Added section and documentation.

2007-02-12  Paul Thomas  <pault@gcc.gnu.org>
	PR fortran/30284
	PR fortran/30626
	* trans-expr.c (gfc_conv_aliased_arg): Remove static attribute
	from function and make sure that substring lengths are
	translated.
	(is_aliased_array): Remove static attribute.
	* trans.c : Add prototypes for gfc_conv_aliased_arg and
	is_aliased_array.
	* trans-io.c (set_internal_unit): Add the post block to the
	arguments of the function.  Use is_aliased_array to check if
	temporary is needed; if so call gfc_conv_aliased_arg.
	(build_dt): Pass the post block to set_internal_unit and
	add to the block after all io activiy is done.

	PR fortran/30407
	* trans-expr.c (gfc_conv_operator_assign): New function.
	* trans.h : Add prototype for gfc_conv_operator_assign.
	* trans-stmt.c (gfc_trans_where_assign): Add a gfc_symbol for
	a potential operator assignment subroutine.  If it is non-NULL
	call gfc_conv_operator_assign instead of the first assignment.
	( gfc_trans_where_2): In the case of an operator assignment,
	extract the argument expressions from the code for the
	subroutine call and pass the symbol to gfc_trans_where_assign.
	resolve.c (resolve_where, gfc_resolve_where_code_in_forall,
	gfc_resolve_forall_body): Resolve the subroutine call for
	operator assignments.

	PR fortran/30514
	* array.c (match_array_element_spec): If the length of an array is
	negative, adjust the upper limit to make it zero length.

2007-02-12  Tobias Schl眉ter  <tobi@gcc.gnu.org>

	PR fortran/30478
	* decl.c: Update copyright years.
	(create_enum_history, gfc_free_enum_history): Formatting
	fixes.
	(add_init_expr_to_sym): Remove ENUM-specific code-path.
	(variable_decl): Likewise.  Formatting fix.
	(match_attr_spec): Remove ENUM-specific codepath.
	(gfc_match_enum): Fix typo in error message.
	(enumerator_decl): New.
	(gfc_match_enumerator_def): Strip down to code necessary for
	ENUMs, use enumerator_decl.

2007-02-10  Bernhard Fischer  <aldot@gcc.gnu.org>

	Backport from trunk
	PR fortran/24783
	* resolve.c (resolve_variable): Get the implicit type from the
	symbols namespace rather than the default namespace. Fix whitespace.
	(resolve_formal_arglist, resolve_equivalence): Fix typo.

2007-02-05  Steven G. Kargl <kargl@gcc.gnu.org>

	PR fortran/30605
	* fortran/invoke.texi: Update documentation.
	* fortran/options.c (gfc_post_options): Deal with tabs with -std=f2003
	and -pedantic.

2007-02-05  Steve Ellcey  <sje@cup.hp.com>

	Backport from trunk
	PR fortran/30432
	* trans-types.c (gfc_get_function_type):  Do not add void_type_node
	to empty arg list.
	* trans-decl.c (create_function_arglist): Change assert.

2007-02-02  Steven G. Kargl <kargl@gcc.gnu.org>

	PR fortran/30683
	* resolve.c (resolve_generic_f): Check for non-NULL sym.

2007-01-31  Thomas Koenig  <Thomas.Koenig@online.de>

	Backport from trunk
	PR fortran/30452
	* scanner.c(next_char):  Cast next character to unsigned
	to avoid confusion with error return codes.

2007-01-30  Tobias Burnus  <burnus@net-b.de>
	    Jakub Jelinek  <jakub@redhat.com>

	PR fortran/30276
	* scanner.c (gfc_open_included_file): Support absolute pathnames.

2007-01-30  Tobias Burnus  <burnus@net-b.de>

	Backport from mainline.
	* lang-specs.h: Add support for .f03 and .F03 extensions.
	* gfortran.texi: Document .f03 extension.
	* options.c (form_from_filename): Recognize .f03.

2007-01-29  Roger Sayle  <roger@eyesopen.com>

	Backport from mainline.
	* trans-stmt.c (forall_info): Replace the next_nest and outer
	fields that previously implemented a doubly-linked list with a
	single prev_nest field (singly-linked list).
	(gfc_trans_nested_forall_loop): The nested_forall_info argument
	now denotes the innermost FORALL in the loop nest.
	(gfc_trans_forall_1): Link/cons the new "info" to the head of the
	nested_forall_info linked list.  Free the current "info" when done.

	* dependency.c (gfc_full_array_ref_p): Check that ref->next is NULL,
	i.e. that the ARRAY_REF doesn't mention components.

2007-01-28  Roger Sayle  <roger@eyesopen.com>

	PR fortran/30404
	* trans-stmt.c (forall_info): Remove pmask field.
	(gfc_trans_forall_loop): Remove NVAR argument, instead assume that
	NVAR covers all the interation variables in the current forall_info.
	Add an extra OUTER parameter, which specified the loop header in
	which to place mask index initializations.
	(gfc_trans_nested_forall_loop): Remove NEST_FLAG argument.
	Change the semantics of MASK_FLAG to only control the mask in the
	innermost loop.
	(compute_overall_iter_number): Optimize the trivial case of a
	top-level loop having a constant number of iterations.  Update
	call to gfc_trans_nested_forall_loop.  Calculate the number of
	times the inner loop will be executed, not to size of the 
	iteration space.
	(allocate_temp_for_forall_nest_1): Reuse SIZE as BYTESIZE when
	sizeof(type) == 1.  Tidy up.
	(gfc_trans_assign_need_temp): Remove NEST_FLAG argument from calls
	to gfc_trans_nested_forall_loop.
	(gfc_trans_pointer_assign_need_temp): Likewise.
	(gfc_trans_forall_1): Remove unused BYTESIZE, TMPVAR, SIZEVAR and
	LENVAR local variables.  Split mask allocation into a separate
	hunk/pass from mask population.  Use allocate_temp_for_forall_nest
	to allocate the FORALL mask with the correct size.  Update calls
	to gfc_trans_nested_forall_loop.
	(gfc_evaluate_where_mask): Update call to
	gfc_trans_nested_forall_loop.
	(gfc_trans_where_2): Likewise.

2007-01-26  Steven Bosscher  <stevenb.gcc@gmail.com>
	    Steven G. Kargl <kargl@gcc.gnu.org>

	PR fortran/30278
	* fortran/io.c (next_char): Deal with backslash escaped characters.
	Issue warnings in non -std=gnu cases.
	* fortran/primary.c (next_string_char): Issue warnings in non

2007-01-26  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/30532
	* scanner.c (load_line): Remove check fot ctrl-z and don't gobble.
	
2007-01-26  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30481
	* match.c (gfc_match_namelist): Add check for assumed size character
	in namelist and provide error if found.

2007-01-23  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30549
	* resolve.c (pure_function): Add return of name for state-
	ment functions..

2007-01-23  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/28172
	* trans-stmt.c (gfc_trans_call): If it does not have one, get
	a backend_decl for an alternate return.

	PR fortran/29389
	* resolve.c (pure_function): Statement functions are pure. Note
	that this will have to recurse to comply fully with F95.

	PR fortran/29712
	* resolve.c (resolve_function): Only a reference to the final
	dimension of an assumed size array is an error in an inquiry
	function.

	PR fortran/30283
	* resolve.c (resolve_function): Make sure that the function
	expression has a type.

2007-01-22 Andrew Pinski  <pinskia@gmail.com>

	PR fortran/29951
	* trans-intrinsic.c (gfc_conv_intrinsic_transfer): Change to
	call memcpy instead of creating a VIEW_CONVERT_EXRP.

	PR fortran/29410
	* trans-intrinsic.c (gfc_conv_intrinsic_array_transfer):
	Change over to create VIEW_CONVERT_EXPR instead of using an
	ADDR_EXPR, a cast and then an indirect reference.

2007-01-21  Brooks Moses  <brooks.moses@codesourcery.com>

	* intrinsic.texi (ACHAR): Added cross-references.
	(CHAR): Put cross-references in alphabetical order.
	(IACHAR): Added cross-references.
	(ICHAR): Added cross-references.

2007-01-21  Roger Sayle  <roger@eyesopen.com>

	* trans-intrinsic.c (gfc_conv_intrinsic_sign): New branchless
	implementation for the SIGN intrinsic with integral operands.
	(gfc_conv_intrinsic_minmax): Fix whitespace.

2007-01-20  Brooks Moses  <brooks.moses@codesourcery.com>

	Merge documentation from mainline:
        
	* gfortran.texi: Update copyright to include 2007, change
	@code-type macros to appropriate variants (@command, @option,
	etc.)
	(title page): Removed erroneous '*'.
 	(Introduction): Lower "Part I: Introduction" to a chapter,
	renumber Parts II and III to Parts I and II.
 	(GNU Fortran and GCC): Rewrite
	(GFORTRAN_DEFAULT_RECL): Added units to description.
 	(Extensions): Miscellaneous minor rewriting and copyediting.
 	(BOZ-literal constants): Renamed from Hexadecimal constants.
 	(Hollerith constants support): Added explanation and 
 	suggestions for standard-conforming modern equivalents.

	* intrinsic.texi: General whitespace cleanup, edited all
	"Syntax" examples to a consistent form, update copyright
	to include 2007, change @findex entries to @cindex entries.
	(menu): Added TIME8, removed UNMASK.
 	(Introduction): Rename to "Introduction to Intrinsics" to
	avoid conflict with the new chapter, rewrite first paragraph.
	(AINT): Clarified argument requirement.
	(ANINT): Clarified argument requirement.
	(CEILING): Clarified argument requirement.
	(CHAR): Clarified argument requirement.
	(CMPLX): Clarified argument requirement.
	(DCMPLX): Clarified argument requirement.
	(FGET): Line rewrapping.
	(FLOOR): Clarified argument requirement.
	(GMTIME): Added documentation.
	(IAND): Added cross-reference.
	(IBCLR): Add documentation.
	(IBITS): Add documentation.
	(IBSET): Add documentation.
	(IEOR): Add documentation.
	(IERRNO): Add documentation.
	(INDEX): Add documentation.
	(INT): Collapsed examples, clarified argument requirement.
	(IOR): Add documentation.
	(ISHFT): Add documentation.
	(ISHFTC): Add documentation.
	(KILL): Add documentation.
	(LEN_TRIM): Add documentation.
	(LGE): Add documentation.
	(LGT): Add documentation.
	(LINK): Add documentation.
	(LLE): Add documentation.
	(LLT): Add documentation.
	(LNBLNK): Add documentation.
	(LOGICAL): Added documentation.
	(LSHIFT): Added documentation.
	(LTIME): Added documentation.
	(MATMUL): Added documentation.
	(MAX): Added documentation.
	(MAXLOC): Added documentation.
	(MAXVAL): Added documentation.
	(MERGE): Added documentation.
	(MIN): Added documentation.
	(MINLOC): Added documentation.
	(MINVAL): Added documentation.
	(MVBITS): Moved to correct place, added documentation.
	(NOT): Added documentation.
	(PERROR): Added documentation.
	(RAN): Moved to correct place, added documentation.
	(REAL): Clarified argument requirement.
	(RENAME): Added documentation.
	(RSHIFT): Clarified argument requirement.
	(SIGN): Corrected table specification.
	(SYMLNK): Added documentation.
	(SYSTEM): Added documentation.
	(TIME): Added documentation.
	(TIME8): Added section and documentation.
	(UBOUND): Add documentation.
	(UMASK): Added documentation.
	(UNLINK): Add documentation.
	(UNMASK): Removed erroneous section.

	* invoke.texi: Update copyrights to include 2007, 
 	standardize and improve index entries, change @code-type
	macros to appropriate variants (@command, @option, etc.).
 	(OpenMP): Added index entry.

2007-01-20  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/30446
	* options.c (gfc_handle_module_path_options): Path used in -J
	option is now added to the module search path.

2007-01-18  Thomas Koenig  <Thomas.Koenig@online.de>

	Backport from trunk
	PR libfortran/30415
	* iresolve.c (gfc_resolve_maxloc):  If the rank
	of the return array is nonzero and we process an
	integer array smaller than default kind, coerce
	the array to default integer.
	* iresolve.c (gfc_resolve_minloc):  Likewise.

2007-01-17  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30476
	* module.c (load_generic_interfaces): Make the marking of the
	symbol as ambiguous conditional on the module names being
	different.
	(write_generic): Ensure that the generic interface has a
	non-NULL module field.

2007-01-14  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
	    Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30408
	* lang.opt: Add Wcharacter_truncation option.
	* options.c (gfc_init_options): Initialize
	gfc_option.warn_character_truncation to zero.
	(gfc_handle_option): Add case for OPT_Wcharacter_truncation.

	PR fortran/30408
	* resolve.c (resolve_code): Use the code->expr character length
	directly to set length of llen.

2007-01-14  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/23232
	* decl.c (gfc_in_match_data, gfc_set_in_match_data): New
	functions to signal that a DATA statement is being matched.
	(gfc_match_data): Call gfc_set_in_match_data on entry and on
	exit.
	* gfortran.h : Add prototypes for above.
	* expr.c (check_init_expr): Avoid check on parameter or
	variable if gfc_in_match_data is true.
	(gfc_match_init_expr): Do not call error on non-reduction of
	expression if gfc_in_match_data is true.

	PR fortran/27996
	PR fortran/27998
	* decl.c (gfc_set_constant_character_len): Add boolean arg to
	flag array constructor resolution.  Warn if string is being
	truncated.  Standard dependent error if string is padded. Set
	new arg to false for all three calls to
	gfc_set_constant_character_len.
	* match.h : Add boolean arg to prototype for
	gfc_set_constant_character_len.
	* gfortran.h : Add warn_character_truncation to gfc_options.
	* options.c (set_Wall): Set warn_character_truncation if -Wall
	is set.
	* resolve.c (resolve_code): Warn if rhs string in character
	assignment has to be truncated.
	* array.c (gfc_resolve_character_array_constructor): Set new
	argument to true for call to gfc_set_constant_character_len.

	PR fortran/30410
	* trans-decl.c (gfc_sym_mangled_function_id): Module, external
	symbols must not have the module name prepended.

2007-01-06  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30034
	* resolve.c (resolve_formal_arglist): Exclude the test for
	pointers and procedures for subroutine arguments as well as
	functions.

	PR fortran/30237
	* intrinsic.c (remove_nullargs): Do not pass up arguments with
	a label. If the actual has a label and the formal has a type
	then emit an error.

	PR fortran/25135
	* module.c (load_generic_interfaces): If the symbol is present
	and is not generic it is ambiguous.

	PR fortran/23060
	* intrinsic.c (compare_actual_formal ): Distinguish argument
	list functions from keywords.
	* intrinsic.c (sort_actual): If formal is NULL, the presence of
	an argument list function actual is an error.
	* trans-expr.c (conv_arglist_function) : New function to
	implement argument list functions %VAL, %REF and %LOC.
	(gfc_conv_function_call): Call it.
	* resolve.c (resolve_actual_arglist): Add arg ptype and check
	argument list functions.
	(resolve_function, resolve_call): Set value of ptype before
	calls to resolve_actual_arglist.
	* primary.c (match_arg_list_function): New function.
	(gfc_match_actual_arglist): Call it before trying for a
	keyword argument.

	PR fortran/27900
	* resolve.c (resolve_actual_arglist): If all else fails and a
	procedure actual argument has no type, see if a specific
	intrinsic matches.

	PR fortran/24325
	* resolve.c (resolve_function): If the function reference is
	FL_VARIABLE this is an error.

2007-01-03  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25818
	* trans-array.c (gfc_trans_g77_array): If the variable is
	optional or not always present, make the statement conditional
	on presence of the argument.
	* gfortran.h : Add symbol_attribute not_always_present.
	* resolve.c (check_argument_lists): New function to check if
	arguments are not present in all entries.

	PR fortran/30084
	* module.c (mio_component_ref): Move treatment of unique name
	variables, during output, to fix_mio_expr.
	(fix_mio_expr): New function that fixes defective expressions
	before they are written to the module file.
	(mio_expr): Call the new function.
	(resolve_entries): Call check_argument_lists.

2007-01-02  Steven G. Kargl  <kargls@comcast.net>

	* trans-intrinsic.c (gfc_conv_intrinsic_ibits): Fix call to
	build_int_cst.

2007-01-02  Tobias Burnus  <burnus@net-b.de>

	PR fortran/30238
	* trans-intrinsic.c: Check for associated(NULL,NULL).

2006-12-31  Paul Thomas <pault@gcc.gnu.org>

	PR fortran/30202
	* trans-array.c (gfc_conv_function_call): Use parmse.expr for
	the nullifying of intent(out) arguments rather than the backend
	declaration.

	PR fortran/30190
	* trans-array.c (gfc_conv_array_ref): Remove gfc_evaluate_now
	from the -fbounds-check branch.

	PR fortran/29992
	* interface.c (check_sym_interfaces): Module procedures in a
	generic must be use associated or contained in the module.
	* decl.c (gfc_match_modproc): Set attribute mod_proc.
	* gfortran.h (symbol_attribute): Add mod_proc atribute.

	PR fortran/30081
	* resolve.c (resolve_generic_f, resolve_generic_s): Use
	gfc_intrinsic_name to find out if the function is intrinsic
	because it does not have to be a generic intrinsic to be
	overloaded.

	PR fortran/30236
	* interface.c (compare_interfaces): Handle NULL symbols.
	(count_types_test): Count NULL symbols, which correspond to
	alternate returns.

	(check_interface1): Change final argument from int to bool
	in the function and all references.

2006-12-29  Tobias Schl聛黷er  <tobias.schlueter@physik.uni-muenchen.de>

	PR fortran/25392
	* trans-stmt.c (gfc_trans_return): Fix comment formatting.
	* trans-types.c (gfc_sym_type): Don't return early for functions.
	Remove special handling for -ff2c.
	(gfc_get_function_type): Add special handling for -ff2c.
	* trans-decl.c (gfc_create_function_decl): Fix comment formatting.
	(gfc_get_fake_result_decl): Make sure we get the right type for
	functions.
	(gfc_generate_function_code): Convert type of result variable to
	type of function.

2006-12-21  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/30273
	* dependency.c (gfc_check_dependency): There is no dependency
	with EXPR_NULL so always return 0.

2006-12-21  Roger Sayle  <roger@eyesopen.com>

	PR fortran/30207
	* dependency.c (gfc_full_array_ref_p): New function to test whether
	the given array ref specifies the entire array.
	(gfc_dep_resolver): Use gfc_full_array_ref_p to analyze AR_FULL
	array refs against AR_SECTION array refs, and vice versa.
	* dependency.h (gfc_full_array_ref_p): Prototype here.
	* trans-array.c (gfc_conv_expr_descriptor): Use gfc_full_array_ref_p.

2006-12-21  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29975
	PR fortran/30068
	PR fortran/30096
	* interface.c (compare_type_rank_if): Reject invalid generic
	interfaces.
	(check_interface1): Give a warning for nonreferred to ambiguous
	interfaces.
	(check_sym_interfaces): Check whether an ambiguous interface is
	referred to.  Do not check host associated interfaces since these
	cannot be ambiguous with the local versions.
	(check_uop_interface, gfc_check_interfaces): Update call to
	check_interface1.
	* symbol.c (gfc_get_sym_tree, gfc_get_sym_tree): Allow adding
	unambiguous procedures to generic interfaces.
	* gfortran.h (symbol_attribute): Added use_only and
	ambiguous_interfaces.
	* module.c (load_need): Set the use_only flag, if needed.
	* resolve.c (resolve_fl_procedure): Warn for nonreferred
	interfaces.
	* expr.c (find_array_section): Fix initializer array contructor.

2006-12-21  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29941
	* resolve.c (resolve_function): Add LEN to the functions not
	checked for assumed size actual args.

2006-11-21  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29464
	* module.c (load_generic_interfaces): Add symbols for all the
	local names of an interface.  Share the interface amongst the
	symbols.
	* gfortran.h : Add generic_copy to symbol_attribute.
	* symbol.c (free_symbol): Only free interface if generic_copy
	is not set.

2006-12-18  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/30200
	* trans-io.c (build_dt): Move post block for format_expr to end.

2006-12-16  Brooks Moses  <brooks.moses@codesourcery.com>

	* gfortran.texi: Added TeX support for document parts;
	rearranged existing text into "About GNU Fortran",
	"Invoking GNU Fortran", and "Language Reference" parts.

2006-12-15  Richard Guenther  <rguenther@suse.de>

	Backport from mainline:
	2006-12-13  Richard Guenther  <rguenther@suse.de>

	PR fortran/30115
	* trans-array.c (gfc_array_allocate): Adjust for changed
	library interface.
	(gfc_array_deallocate): Likewise.
	(gfc_trans_dealloc_allocated): Likewise.
	* trans-stmt.c (gfc_trans_allocate): Likewise.
	(gfc_trans_deallocate): Likewise.
	* trans-decl.c (gfc_build_builtin_function_decls): Adjust
	function declarations to match the library changes.  Mark
	allocation functions with DECL_IS_MALLOC.

2006-12-11  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/29892
	* trans-intrinsic.c (gfc_conv_intrinsic_bound): Use a locus in
	the call to gfc_trans_runtime_check.
	* trans-array.c (gfc_trans_array_bound_check): Try harder to find
	the variable or function name for the runtime error message.
	(gfc_trans_dummy_array_bias): Use a locus in the call to
	gfc_trans_runtime_check

2006-12-11  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/29973
	* resolve.c (resolve_actual_arglist): Remove the special case for
	CHAR.
	* intrinsic.c (add_functions): Remove the special case for CHAR.

2006-12-11  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
	    Tobias Burnus  <burnus@net-b.de>

	PR fortran/29711
	* error.c (error_print): Handle printf-style position specifiers,
	of the form "%3$d".

2006-12-10  Thomas Koenig  <Thomas.Koenig@online.de>

	PR libfortran/29568
	* options.c:  Apply the correct version of the previous
	patch.

2006-12-10  Thomas Koenig  <Thomas.Koenig@online.de>

	PR libfortran/29568
	* gfortran.h (gfc_option_t):  Add max_subrecord_length.
	(top level): Define MAX_SUBRECORD_LENGTH.
	* lang.opt:  Add option -fmax-subrecord-length=.
	* trans-decl.c:  Add new function set_max_subrecord_length.
	(gfc_generate_function_code): If we are within the main
	program and max_subrecord_length has been set, call
	set_max_subrecord_length.
	* options.c (gfc_init_options):  Add defaults for
	max_subrecord_lenght, convert and record_marker.
	(gfc_handle_option):  Add handling for
	-fmax_subrecord_length.
	* invoke.texi:  Document the new default for
	-frecord-marker=<n>.

2006-12-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29821
	* resolve.c (resolve_operator): Only return result of
	gfc_simplify_expr if expression is constant.

	PR fortran/29912
	* trans-expr.c (gfc_trans_arrayfunc_assign): Return NULL if the
	lhs and rhs character lengths are not constant and equal for
	character array valued functions.

	PR fortran/29916
	* resolve.c (resolve_symbol): Allow host-associated variables
	in the specification expression of an array-valued function.
	* expr.c (check_restricted): Accept host-associated dummy
	array indices.
	
	PR fortran/30003
	* trans-array.c (gfc_trans_create_temp_array): Set the section
	ends to zero.
	(gfc_conv_array_transpose): Likewise.
	(gfc_conv_section_startstride): Declare an expression for end,
	set it from a the array reference and evaluate it for the info
	structure. Zero the ends in the ss structure and set end, used
	in the bounds check, from the info structure.
	trans.h: Add and end array to the gfc_ss_info structure.

2006-11-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29976
	* trans-expr.c (gfc_conv_missing_dummy): Remove build_int_const
	and replace with cast to type of se->expr of integer_zero_node.

2006-11-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/20880
	* resolve.c (resolve_fl_procedure): Error if procedure is
	ambiguous modified to require attr.referenced.

2006-11-26  Andrew Pinski  <pinskia@gmail.com>

	PR fortran/29982
	* trans-expr.c (gfc_conv_expr_reference): Strip off NOP_EXPRs.

2006-11-25  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/20880
	* parse.c (parse_interface): Error if procedure name is that of
	encompassing scope.
	* resolve.c (resolve_fl_procedure): Error if procedure is
	ambiguous.

	PR fortran/29837
	* interface.c (compare_actual_formal): Add missing condition
	that 'where' be present for error that asserts that actual
	arguments be definable.

2006-11-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/29391
	PR fortran/29489
	* simplify.c (simplify_bound): Fix the simplification of
	LBOUND/UBOUND intrinsics.
	* trans-intrinsic.c (simplify_bound): Fix the logic, and
	remove an erroneous assert.

2006-11-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/24285
	* io.c (check_format): Allow dollars everywhere in format, and
	issue a warning.

2006-11-23 Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25087
	* resolve.c (resolve_fl_procedure): Add an error if an external
	automatic character length function does not have an explicit
	interface.

	PR fortran/29652
	* interface.c (check_interface1): Use a local value, instead of
	the dummy, as the inner iterator over interface symbols.

	PR fortran/29820
	* trans-array.c (gfc_get_derived_type): Once done, spread the
	backend_decl to all identical derived types in all sibling
	namespaces.

2006-11-19  Erik Edelmann  <eedelman@gcc.gnu.org>

	* resolve.c (resolve_ref): Check for ALLOCATABLEs to the right of
	  nonzero rank part references too.

2006-11-14  Brooks Moses  <brooks.moses@codesourcery.com>

	PR fortran/29702
	* error.c (show_loci): Move column-offset calculation to
	show_locus.
	(show_locus): Remove blank lines before "Included in"
	lines, clean up code, calculate column-offsets, print
	column number is error-header lines as appropriate.
	(error_integer): (new function) Print integer to error
	buffer.
	(error_print): Use error_integer, avoid possible buffer
	overflows from buggy error formats.

2006-11-13  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR fortran/26994
	* trans-expr.c (gfc_conv_expr_reference): Set TREE_STATIC on the
	new CONST_DECL.

2006-11-13  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/29759
	* fortran/scanner.c (skip_free_comments): Clear openmp_flag
	before returning true.

2006-11-12 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/29699
	* trans-array.c (structure_alloc_comps): Detect pointers to
	arrays and use indirect reference to declaration.
	* resolve.c (resolve_fl_variable): Tidy up condition.
	(resolve_symbol): The same and only add initialization code if
	the symbol is referenced.
	* trans-decl.c (gfc_trans_deferred_vars): Call gfc_trans_
	deferred_array before gfc_trans_auto_array_allocation.

	PR fortran/21370
	* symbol.c (check_done): Remove.
	(gfc_add_attribute): Remove reference to check_done and remove
	the argument attr_intent.
	(gfc_add_allocatable, gfc_add_dimension, gfc_add_external,
	gfc_add_intrinsic, gfc_add_optional, gfc_add_pointer,
	gfc_add_cray_pointer, gfc_add_cray_pointee, gfc_add_result,
	gfc_add_target, gfc_add_in_common, gfc_add_elemental,
	gfc_add_pure, gfc_add_recursive, gfc_add_procedure,
	gfc_add_type): Remove references to check_done.
	* decl.c (attr_decl1): Eliminate third argument in call to
	gfc_add_attribute.
	* gfortran.h : Change prototype for gfc_add_attribute.

	PR fortran/29431
	* trans-array.c    (get_array_ctor_strlen): If we fall through to
	default, use a constant character length if it is available.

	PR fortran/29758
	* check.c (gfc_check_reshape): Check that there are enough
	elements in the source array as to be able to fill an array
	defined by shape, when pad is absent.

	PR fortran/29315
	* trans-expr.c (is_aliased_array): Treat correctly the case where the
	component is itself and array or array reference.

2006-11-10  Tobias Burnus  <burnus@net-b.de>

	PR fortran/29454
	* resolve.c (gfc_resolve_blocks): Fix error message.

2006-11-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29539
	PR fortran/29634
	* decl.c (variable_decl): Add test for presence of proc_name.
	(gfc_match_data_decl): Only emit error if there are none
	already flagged.
	* error.c (gfc_error_flag_test): New function.
	* gfortran.h : Prototype for gfc_error_flag_test.

2006-11-09 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/29744
	* trans-types.c (gfc_get_derived_type): Ensure that the
	proc_name namespace is not the same as the owner namespace and
	that identical derived types in the same namespace share the
	same backend_decl.

2006-11-09  Brooks Moses  <brooks.moses@codesourcery.com>

	Backport from mainline:
	* lang.opt: Remove non-working -qkind= option.
	* gfortran.h (gfc_option_t): Remove q_kind member.
	* options.c (gfc_init_options): Remove q_kind initialization.
	(gfc_handle_option): Remove -qkind= option handling.
	* primary.c: (match_real_constant): Remove 'Q' exponent.

2006-11-09  Tobias Burnus  <burnus@net-b.de>

	PR fortran/29713
	* expr.c (gfc_simplify_expr): Correct memory allocation.


2006-11-08  Erik Edelmann  <eedelman@gcc.gnu.org>

	PR fortran/29630
	PR fortran/29679
	* expr.c (find_array_section): Support vector subscripts.  Don't
	add sizes for dimen_type == DIMEN_ELEMENT to the shape array.

2006-11-08  Tobias Burnus  <burnus@net-b.de>

	* intrinsic.texi: Correct CHMOD entry.

2006-11-06  Brooks Moses  <brooks.moses@codesourcery.com>

	* intrinsic.texi: Added documentation for FTELL, GETLOG, and
	HOSTNM intrinsics.

2006-11-05  Francois-Xavier Coudert  <fxcoudert@gcc.gnu,org>
	    Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/24518
	* trans-intrinsic.c (gfc_conv_intrinsic_mod): Use built_in fmod
	for both MOD and MODULO, if it is available.

2006-11-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29565
	* trans-expr.c (gfc_conv_aliased_arg): For an INTENT(OUT), save
	the declarations from the unused loops by merging the block
	scope for each; this ensures that the temporary is declared.

	PR fortran/29387
	* trans-intrinsic.c (gfc_conv_intrinsic_len): Rearrange to have
	a specific case for EXPR_VARIABLE and, in default, build an ss
	to call gfc_conv_expr_descriptor for array expressions..

	PR fortran/29490
	* trans-expr.c (gfc_set_interface_mapping_bounds): In the case
	that GFC_TYPE_ARRAY_LBOUND is not available, use descriptor
	values for it and GFC_TYPE_ARRAY_UBOUND.

	PR fortran/29641
	* trans-types.c (gfc_get_derived_type): If the derived type
	namespace has neither a parent nor a proc_name, set NULL for
	the search namespace.

2006-11-03  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/29067
	* decl.c (gfc_set_constant_character_len): NULL-terminate the
	character constant string.
	* data.c (create_character_intializer): Likewise.
	* expr.c (gfc_simplify_expr): NULL-terminate the substring
	character constant.
	* primary.c (match_hollerith_constant): NULL-terminate the
	character constant string.

2006-10-26  Tobias Burnus  <burnus@net-b.de>

	PR fortran/29452
	* io.c (check_io_constraints): Fix keyword string comparison.

2006-10-29  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/29629
	* trans-openmp.c (gfc_trans_omp_array_reduction): Set attr.flavor
	of init_val_sym and outer_sym to FL_VARIABLE.

2006-10-24  Erik Edelmann  <eedelman@gcc.gnu.org>

	PR fortran/29393
	* expr.c (simplify_parameter_variable): Keep rank of original
	expression.

2006-10-19  Brooks Moses  <bmoses@stanford.edu>

	* invoke.texi: Fixed "denormal" typo.

2006-10-19  Paul Thomas <pault@gcc.gnu.org>

	PR fortran/29216
	PR fortran/29314
	* gfortran.h : Add EXEC_INIT_ASSIGN.
	* dump-parse-tree.c (gfc_show_code_node): The same.
	* trans-openmp.c (gfc_trans_omp_array_reduction): Set new
	argument for gfc_trans_assignment to false.
	* trans-stmt.c (gfc_trans_forall_1): The same.
	* trans-expr.c (gfc_conv_function_call, gfc_trans_assign,
	gfc_trans_arrayfunc_assign, gfc_trans_assignment): The
	same. In the latter function, use the new flag to stop
	the checking of the lhs for deallocation.
	(gfc_trans_init_assign): New function.
	* trans-stmt.h : Add prototype for gfc_trans_init_assign.
	* trans.c (gfc_trans_code): Implement EXEC_INIT_ASSIGN.
	* trans.h : Add new boolean argument to the prototype of
	gfc_trans_assignment.
	* resolve.c (resolve_allocate_exp): Replace EXEC_ASSIGN by
	EXEC_INIT_ASSIGN.
	(resolve_code): EXEC_INIT_ASSIGN does not need resolution.
	(apply_default_init): New function.
	(resolve_symbol): Call it for derived types that become
	defined but which do not already have an initialization
	expression..
	* st.c (gfc_free_statement): Include EXEC_INIT_ASSIGN.

2006-10-16  Tobias Burnus  <burnus@net-b.de>

	* primary.c: Revert 'significand'-to-'significant' comment change.
	* invoke.texi (Warning Options): Minor cleanup for
	  -Wimplicit-interface.

2006-10-17  Paul Thomas <pault@gcc.gnu.org>

	PR fortran/29451
	* trans-array.c (gfc_trans_array_bounds): Test for and set
	negative stride of a non-constant bound array to zero.

	PR fortran/29392
	* data.c (create_character_intializer): Copy and simplify
	the expressions for the start and end of a sub-string
	reference.

2006-10-16  Kaz Kojima  <kkojima@rr.iij4u.or.jp>

	* io.c (gfc_match_close): Ensure that status is terminated by
	a NULL element.

2006-10-16  Tobias Burnus  <burnus@net-b.de>

	* trans-stmt.c: Fix a typo
	* invoke.texi: Fix typos
	* resolve.c: Fix a comment typo
	* trans-decl.c: Fix a comment typo
	* primary.c: Fix a comment typo

2006-10-15  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/29403
	* io.c (match_io):  Check for a default-char-expr for PRINT format.

2006-10-15  Bernhard Fischer  <aldot@gcc.gnu.org>

	PR fortran/24767
	* lang.opt (Wunused-labels): Remove.
	* options.c: Remove references to gfc_option.warn_unused_labels.
	* gfortran.h: Remove variable warn_unused_labels.               
	* resolve.c (warn_unused_fortran_label) : Use warn_unused_label
	instead of gfc_option.warn_unused_labels.
	* invoke.texi: Remove documentation of -Wunused-labels.

2006-10-14  Tobias Burnus  <burnus@net-b.de>

	* gfortran.texi: Add link to GFortran apps
	* intrinsic.texi: Updated documentation of ACCESS and CHMOD

2006-10-14  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/19261
	* scanner.c (load_line): Add checks for illegal use of '&' and issue
	warnings.  Issue errors with -pedantic.

2006-10-14 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/29371
	* trans-expr.c (gfc_trans_pointer_assignment): Add the expression
	for the assignment of null to the data field to se->pre, rather
	than block.	

2006-10-14  Kazu Hirata  <kazu@codesourcery.com>

	* intrinsic.texi: Fix typos.
	* trans-array.c: Fix a comment typo.

2006-10-13  Brooks Moses  <bmoses@stanford.edu>

	* intrinsic.texi (STAT): Reverted a format in example code to
	octal; noted this in accompanying string.

2006-10-13 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/29373
	* decl.c (get_proc_name, gfc_match_function_decl): Add
	attr.implicit_type to conditions that throw error for
	existing explicit interface and that allow new type-
	spec to be applied.

	PR fortran/29407
	* resolve.c (resolve_fl_namelist): Do not check for
	namelist/procedure conflict, if the symbol corresponds
	to a good local variable declaration.

	PR fortran/27701
	* decl.c (get_proc_name): Replace the detection of a declared
	procedure by the presence of a formal argument list by the
	attributes of the symbol and the presence of an explicit
	interface.

	PR fortran/29232
	* resolve.c (resolve_fl_variable): See if the host association
	of a derived type is blocked by the presence of another type I
	object in the current namespace.

	PR fortran/29364
	* resolve.c (resolve_fl_derived): Check for the presence of
	the derived type for a derived type component.

	PR fortran/24398
	* module.c (gfc_use_module): Check that the first words in a
	module file are 'GFORTRAN module'.

	PR fortran/29422
	* resolve.c (resolve_transfer): Test functions for suitability
	for IO, as well as variables.

	PR fortran/29428
	* trans-expr.c (gfc_trans_scalar_assign): Remove nullify of
	rhs expression.

2006-10-13  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/29391
	* trans-intrinsic.c (gfc_conv_intrinsic_bound): Generate correct
	code for LBOUND and UBOUND intrinsics.

2006-10-13  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/21435
	* io.c (compare_to_allowed_values): New function.
	(gfc_match_open): Add checks for constant values of specifiers.
	(gfc_match_close): Add checks for constant values of the STATUS
	specifier.

2006-10-12  Brooks Moses  <bmoses@stanford.edu>

	* intrinsic.texi (STAT): Fixed a format typo in sample code.

2006-10-12  Brooks Moses  <bmoses@stanford.edu>

	* intrinsic.texi (STAT): Shortened lines in sample code.

2006-10-11  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

	* gfortran.h (gfc_show_actual_arglist, gfc_show_array_ref,
	gfc_show_array_spec, gfc_show_attr, gfc_show_code,
	gfc_show_components, gfc_show_constructor, gfc_show_equiv,
	gfc_show_expr, gfc_show_namelist, gfc_show_ref, gfc_show_symbol,
	gfc_show_typespec): Add prototypes.
	* dump-parse-tree.c (gfc_show_actual_arglist, gfc_show_array_ref,
	gfc_show_array_spec, gfc_show_attr, gfc_show_code,
	gfc_show_components, gfc_show_constructor, gfc_show_equiv,
	gfc_show_expr, gfc_show_namelist, gfc_show_ref, gfc_show_symbol,
	gfc_show_typespec): Remove 'static' from declaration.

2006-10-10  Brooks Moses  <bmoses@stanford.edu>

	* invoke.texi, gfortran.texi: Corrected erronous dashes.

2006-10-10  Brooks Moses  <bmoses@stanford.edu>

	* Make-lang.in: Added "fortran.pdf", "gfortran.pdf" target
	support.

2006-10-10  Daniel Franke  <franke.daniel@gmail.com>

	* intrinsic.texi: added documentation for FSTAT, GETARG,GET_COMMAND,
	GET_COMMAND_ARGUMENT, GETENV, GET_ENVIRONMENT_VARIABLE, IAND, IARGC,
	LSTAT and STAT, removed the reference to PR19292 from ACCESS, CHMOD,
	GMTIME, LSHIFT, LTIME, RSHIFT.

2006-10-10  Brooks Moses  <bmoses@stanford.edu>

	* gfortran.texi (Standards): Update to current status.

2006-10-09  Brooks Moses  <bmoses@stanford.edu>

	* Make-lang.in: Added intrinsic.texi to GFORTRAN_TEXI
	dependences.

2006-10-09  Brooks Moses  <bmoses@stanford.edu>

	* intrinsic.texi (MOVE_ALLOC): changed "Options" to "Standards".

2006-10-09  Steven G. Kargl  <kargl@gcc.gnu.org>

	* gfortran.h: Define GFC_MPFR_TOO_OLD via mpfr version info.
	* arith.c (arctangent, gfc_check_real_range): Use it.	
	* simplify.c (gfc_simplify_atan2, gfc_simplify_exponent,
	gfc_simplify_log, gfc_simplify_nearest): Use it.

	PR fortran/15441
	PR fortran/29312
	* iresolve.c (gfc_resolve_rrspacing): Give rrspacing library
	routine hidden precision argument.
	(gfc_resolve_spacing): Give spacing library routine hidden
	precision, emin - 1, and tiny(x) arguments.
	* simplify.c (gfc_simplify_nearest): Remove explicit subnormalization.
	(gfc_simplify_rrspacing): Implement formula from Fortran 95 standard.
	(gfc_simplify_spacing): Implement formula from Fortran 2003 standard.
	* trans-intrinsic.c (gfc_intrinsic_map_t) Declare rrspacing and
	spacing via LIBF_FUNCTION
	(prepare_arg_info, call_builtin_clz, gfc_conv_intrinsic_spacing,
	gfc_conv_intrinsic_rrspacing): Remove functions.
	(gfc_conv_intrinsic_function): Remove calls to
	gfc_conv_intrinsic_spacing and gfc_conv_intrinsic_rrspacing.
	* f95-lang.c (gfc_init_builtin_functions): Remove __builtin_clz,
	__builtin_clzl and __builtin_clzll

2006-10-09  Richard Henderson  <rth@redhat.com>

	Revert emutls patch.

2006-10-09  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	* intrinsic.c (add_sym_0s, add_sym_1s, add_sym_2s, add_sym_3s,
	add_sym_4s, add_sym_5s, add_functions): Use macro ACTUAL_NO,
	ACTUAL_YES, NOT_ELEMENTAL and ELEMENTAL instead of constants
	0 and 1 as second and third arguments to add_sym* functions.

2006-10-08  Erik Edelmann <edelmann@gcc.gnu.org>
	    Paul Thomas <pault@gcc.gnu.org>

	PR fortran/20541
	* interface.c (gfc_compare_derived_types): Add comparison of
	the allocatable field.
	* intrinsic.c (add_subroutines): Add MOVE_ALLOC.
	* trans-expr.c (gfc_conv_aliased_arg, gfc_trans_subarray_assign,
	gfc_trans_subcomponent_assign, gfc_conv_string_parameter,
	gfc_trans_scalar_assign): Add extra arguments l_is_temp
	and r_is_var to references to latter function.
	(gfc_conv_function_call): Add enum for types of argument and
	an associated variable parm_kind. Deallocate components of
	INTENT(OUT) and non-variable arrays.
	(gfc_trans_subcomponent_assign): Add block to assign arrays
	to allocatable components.
	(gfc_trans_scalar_assign): Add block to handle assignments of
	derived types with allocatable components, using the above new
	arguments to control allocation/deallocation of memory and the
	copying of allocated arrays.
	* trans-array.c (gfc_array_allocate): Remove old identification 
	of pointer and replace with that of an allocatable array. Add
	nullify of structures with allocatable components. 
	(gfc_conv_array_initializer): Treat EXPR_NULL.
	(gfc_conv_array_parameter): Deallocate allocatable components
	of non-variable structures.
	(gfc_trans_dealloc_allocated): Use second argument of library
	deallocate to inhibit, without error, freeing NULL pointers.
	(get_full_array_size): New function to return the size of a
	full array.
	(gfc_duplicate_allocatable): New function to allocate and copy
	allocated data.
	(structure_alloc_comps): New recursive function to deallocate,
	nullify or copy allocatable components.
	(gfc_nullify_alloc_comp, gfc_deallocate_alloc_comp,
	gfc_copy_alloc_comp): New interface functions to call previous.
	(gfc_trans_deferred_array): Add the code to nullify allocatable
	components, when entering scope, and to deallocate them on
	leaving. Do not call gfc_trans_static_array_pointer and return
	for structures with allocatable components and default
	initializers.
	* symbol.c (gfc_set_component_attr): Set allocatable field.
	(gfc_get_component_attr): Set the allocatable attribute.
	* intrinsic.h : Prototype for gfc_check_move_alloc.
	* decl.c (build_struct): Apply TR15581 constraints for
	allocatable components.
	(variable_decl): Default initializer is always NULL for
	allocatable components.
	(match_attr_spec): Allow, or not, allocatable components,
	according to the standard in force.
	* trans-array.h : Prototypes for gfc_nullify_alloc_comp,
	gfc_deallocate_alloc_comp, gfc_copy_alloc_comp and
	gfc_duplicate_allocatable.
	* gfortran.texi : Add mention of TR15581 extensions.
	* gfortran.h : Add attribute alloc_comp, add
	gfc_components field allocatable and add the prototype
	for gfc_expr_to_initialize.
	* trans-stmt.c (generate_loop_for_temp_to_lhs,
	generate_loop_for_rhs_to_temp, gfc_trans_where_assign,
	gfc_trans_where_3): Add extra arguments to calls to
	gfc_trans_scalar_assign and set appropriately.
	(gfc_trans_allocate): Nullify allocatable components.
	(gfc_trans_deallocate): Deallocate to ultimate allocatable
	components but stop at ultimate pointer components.
	* module.c (mio_symbol_attribute, mio_symbol_attribute,
	mio_component): Add module support for allocatable
	components.
	* trans-types.c (gfc_get_derived_type): Treat allocatable
	components.
	* trans.h : Add two boolean arguments to
	gfc_trans_scalar_assign.
	* resolve.c (resolve_structure_cons): Check conformance of
	constructor element and the component.
	(resolve_allocate_expr): Add expression to nullify the
	constructor expression for allocatable components.
	(resolve_transfer): Inhibit I/O of derived types with
	allocatable components.
	(resolve_fl_derived): Skip check of bounds of allocatable
	components.
	* trans-decl.c (gfc_get_symbol_decl): Add derived types
	with allocatable components to deferred variable.
	(gfc_trans_deferred_vars): Make calls for derived types
	with allocatable components to gfc_trans_deferred_array.
	(gfc_generate_function_code): Nullify allocatable
	component function result on entry.
	* parse.c (parse_derived): Set symbol attr.allocatable if
	allocatable components are present.
	* check.c (gfc_check_allocated): Enforce attr.allocatable
	for intrinsic arguments.
	(gfc_check_move_alloc): Check arguments of move_alloc.
	* primary.c (gfc_variable_attr): Set allocatable attribute.
	* intrinsic.texi : Add index entry and section for
	for move_alloc.

2006-10-08  Paul Thomas <pault@gcc.gnu.org>

	PR fortran/29115
	* resolve.c (resolve_structure_cons): It is an error if the
	pointer component elements of a derived type constructor are
	not pointer or target.


	PR fortran/29211
	* trans-stmt.c (generate_loop_for_temp_to_lhs,
	generate_loop_for_rhs_to_temp): Provide a string length for
	the temporary by copying that of the other side of the scalar
	assignment.

2006-10-08  Tobias Burnus  <burnus@net-b.de>

	PR fortran/28585
	* intrinsic.c (add_functions): Add new_line Fortran 2003 intrinsic.
	* intrinsic.h: Add gfc_simplify_new_line and gfc_check_new_line
	prototypes.
	* check.c (gfc_check_new_line): New function.
	* simplify.c (gfc_simplify_new_line): New function.
	* intrinsic.texi: Document new_line intrinsic.

2006-10-07  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/16580
	PR fortran/29288
	* gcc/fortran/intrinsic.c (add_sym): Define the actual_ok when a
	gfc_intrinsic_sym structure is filled.
	(gfc_intrinsic_actual_ok): New function.
	(add_sym_0s, add_sym_1s, add_sym_2s, add_sym_3s, add_sym_4s,
	add_sym_5s): Intrinsic subroutines are not allowed as actual
	arguments, so we remove argument actual_ok.
	(add_functions): Correct the values for actual_ok of all intrinsics.
	Add comments for gfc_check_access_func and gfc_resolve_index_func.
	(add_subroutines): Remove the actual_ok argument, which was never used.
	* gcc/fortran/intrinsic.h (gfc_intrinsic_actual_ok): New prototype.
	* gcc/fortran/gfortran.h (gfc_resolve_index_func): New prototype.
	* gcc/fortran/resolve.c (resolve_actual_arglist): Check whether
	an intrinsic used as an argument list is allowed there.
	* gcc/fortran/iresolve.c (gfc_resolve_index_func): New function.
	(gfc_resolve_len): Change intrinsic function name to agree with
	libgfortran.
	* gcc/fortran/trans-decl.c (gfc_get_extern_function_decl): Add
	new case, because some specific intrinsics take 3 arguments.
	* gcc/fortran/intrinsic.texi: DIMAG is a GNU extension.

2006-10-06  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/28415
	* trans-decl.c (gfc_finish_var_decl): With -fno-automatic, don't
	make artificial variables or pointer to variable automatic array
	TREE_STATIC.

	* scanner.c (skip_free_comments): Return bool instead of void.
	(gfc_next_char_literal): Don't return ' ' if & is missing after
	!$omp or !$.  Use skip_{free,fixed}_comments directly instead
	of gfc_skip_comments.

2006-10-04  Brooks Moses  <bmoses@stanford.edu>

	* gfortran.texi: (Current Status): update and rewrite to reflect
	actual status more accurately.

2006-10-04  Brooks Moses  <bmoses@stanford.edu>

	* gfortran.texi: Consistently refer to the compiler as "GNU
	Fortran".
	* intrinsic.texi: Ditto.
	* invoke.texi: Ditto.

2006-10-04  Richard Henderson  <rth@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>

	* f95-lang.c (gfc_init_builtin_functions): Add __emutls_get_address
	and __emutls_register_common.
	* openmp.c (gfc_match_omp_threadprivate): Don't error if !have_tls.
	* trans-common.c (build_common_decl): Don't check have_tls.
	* trans-decl.c (gfc_finish_var_decl): Likewise.
	* types.def (BT_WORD, BT_FN_PTR_PTR): New.
	(BT_FN_VOID_PTR_WORD_WORD_PTR): New.

2006-10-04  Paul Thomas <pault@gcc.gnu.org>

	PR fortran/29343
	* resolve.c (resolve_allocate_expr): Exclude derived types from
	search for dependences between allocated variables and the
	specification expressions for other allocations in the same
	statement.

2006-10-04  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29098
	* resolve.c (resolve_structure_cons): Do not return FAILURE if
	component expression is NULL.

2006-10-03  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/20779
	PR fortran/20891
	* resolve.c (find_sym_in_expr): New function that returns true
	if a symbol is found in an expression.
	(resolve_allocate_expr): Check whether the STAT variable is
	itself allocated in the same statement.  Use the call above to
	check whether any of the allocated arrays are used in array
	specifications in the same statement.

2006-10-03  Steven G. Kargl  <kargl@gcc.gnu.org>

	* arith.c (gfc_check_real_range):  Use correct exponent range for
	subnormal numbers.

2006-10-03  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29284
	PR fortran/29321
	PR fortran/29322
	* trans-expr.c (gfc_conv_function_call): Check the expression
	and the formal symbol are present when testing the actual
	argument.

	PR fortran/25091
	PR fortran/25092
	* resolve.c (resolve_entries): It is an error if the entries
	of an array-valued function do not have the same shape.

2006-10-03  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR middle-end/27478
	* trans-decl.c (gfc_get_fake_result_decl): Mark var as
	TREE_ADDRESSABLE.

2006-10-02  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/19262
	* gfortran.h (gfc_option_t): Add max_continue_fixed and
	max_continue_free.
	* options.c (gfc_init_options): Initialize fixed form and free form
	consecutive continuation line limits.
	* scanner.c (gfc_scanner_init_1): Initialize continue_line
	and continue_count. (gfc_next_char_literal): Count the number of
	continuation lines in the current statement and warn if limit
	is exceeded.

2006-10-02  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/19260
	* scanner.c (gfc_next_char_literal): Add check for missing '&'
	and warn if in_string, otherwise return ' '.

2006-10-02  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/29210
	* primary.c (match_sym_complex_part): Named constants as real or
	imaginary part of complex a named constant are only allowed in
	Fortran 2003.

2006-10-01  Brooks Moses  <bmoses@stanford.edu>

	* gfortran.texi: Corrected references to MALLOC intrinsic.
	* invoke.texi: Minor cleanup and clarification to the Dialect
	Options section.

2006-09-30  Brooks Moses  <bmoses@stanford.edu>

	* invoke.texi:  Add mention of BOZ constants and integer
	overflow to -fno-range-check.
	* gfortran.texi:  Add mention of -fno-range-check to
	section on BOZ contants.

2006-09-30  Bernhard Fischer  <aldot@gcc.gnu.org>

	* resolve.c: Fix commentary typo.  Fix whitespace.

2006-09-28  Steven G. Kargl  <kargl@gcc.gnu.org>

	fortran/29147
	* arith.c (gfc_check_integer_range): Disable range checking via
	-fno-range-check.

2006-09-28  Steven G. Kargl <kargl@gcc.gnu.org>

	* arith.c: Change conditional test for inclusion of arctangent().
	(gfc_check_real_range): Change conditional test for use of
	mpfr_subnormalize.
	* simplify.c (gfc_simplify_atan2): Fix conditional for use of
	mpfr_atan2() instead of arctangent().
	(gfc_simplify_exponent): Fix conditional for use of mpfr_get_exp().
 	(gfc_simplify_log): Fix conditional for use of mpfr_atan2() instead
	 of arctangent().
	(gfc_simplify_nearest): Fix conditional for use of mpfr_nextafter(). 

2006-09-27  Steven G. Kargl  <kargl@gcc.gnu.org>

	* arith.c: Conditionally include arctangent2().
	(gfc_check_real_range): Use mpfr_subnormalize in preference to local
	hack.
	* trans-intrinsic.c (gfc_get_intrinsic_lib_fndecl): Append
	l for long double functions.
	* simplify.c: Wrap Copyright to new line.
	(gfc_simplify_atan2): Use mpfr_atan2 in preference to arctangent2().
	(gfc_simplify_log): Ditto.


	PR fortran/28276
	* simplify.c (gfc_simplify_exponent): Use mpfr_get_exp in
	preference to broken local hack.

	PR fortran/27021
	* simplify.c (gfc_simplify_nearest): Use mpfr_nexttoward and
	mpfr_subnormalize to handle numbers near zero in preference to broken
	 local hack.

2006-09-26  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/29097
	* scanner.c (include_line): Handle conditional include.

2006-09-25  Tobias Schluter  <tobias.schlueter@physik.uni-muenchen.de>

	PR fortran/21203
	* error.c (show_loci): No need to risk an ICE to output a
	slightly nicer error message.

2006-09-19 Paul Thomas <pault@gcc.gnu.org>
	   Steven Bosscher  <steven@gcc.gnu.org>

	PR fortran/29101
	* trans-stmt.c (gfc_trans_character_select): Store the label
	from select_string and then clean up any temporaries from the
	conversion of the select expression, before branching to the
	selected case.

2006-09-18 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/28526
	* primary.c (match_variable): If the compiler is in a module
	specification block, an interface block or a contains section,
	reset host_flag to force the changed symbols mechanism.

	PR fortran/29101
	* trans-stmt.c (gfc_trans_character_select): Add the post block
	for the expression to the main block, after the call to
	select_string and the last label.

2006-09-18  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29060
	* iresolve.c (resolve_spread): Build shape for result if the
	source shape is available and dim and ncopies are constants.

2006-09-18  Tobias Schl聛黷er  <tobias.schlueter@physik.uni-muenchen.de>

	PR fortran/28817
	PR fortran/21918
	* trans-decl.c (generate_local_decl): Change from 'warning' to
	'gfc_warning' to have line numbers correctly reported.

2006-09-15  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/29051
	* decl.c (match_old_style_init): Set the 'where' field of the
	gfc_data structure 'newdata'.

	* match.c (match_case_eos): Add a comprehensible error message.

2006-09-13  Wolfgang Gellerich  <gellerich@de.ibm.com>

	* trans-expr.c (gfc_add_interface_mapping): For characters, dereference
	pointer if necessary and then perform the cast.

2006-09-11  Steven G. Kargl  <kargl@gcc.gnu.org>

	* intrinsic.c: Update Copyright date.
	* intrinsic.h: Ditto.

2006-09-11  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/28890
	* trans-expr.c (gfc_conv_function_call): Obtain the string length
	of a dummy character(*) function from the symbol if it is not
	already translated.  For a call to a character(*) function, use
	the passed, hidden string length argument, which is available
	from the backend_decl of the formal argument.
	* resolve.c (resolve_function): It is an error if a function call
	to a character(*) function is other than a dummy procedure or
	an intrinsic.

2006-09-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/28959
	* trans-types.c (gfc_get_derived_type): Use the parent namespace of
	the procedure if the type's own namespace does not have a parent.

2006-09-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/28923
	* expr.c (find_array_section): Only use the array lower and upper
	bounds for the start and end of the sections, where the expr is
	NULL.

2006-09-10  Paul Thomas <pault@gcc.gnu.org>

	PR fortran/28914
	* trans-array.c (gfc_trans_array_constructor_value): Create a temporary
	loop variable to hold the current loop variable in case it is modified
	by the array constructor.

2006-09-07  Steven G. Kargl  <kargls@comcast.net>

	* gfortran.h (gfc_integer_info): Eliminate max_int.
	* arith.c (gfc_arith_init_1): Remove initialization of max_int.
	(gfc_arith_done_1): Remove clearing of max_int.
	(gfc_check_integer_range): Fix range chekcing of overflow.
	* simplify.c (gfc_simplify_not): Construct mask that was max_int.

2006-09-05  Paul Thomas <pault@gcc.gnu.org>

	PR fortran/28908
	* gfortran.h : Restore the gfc_dt_list structure and reference
	to it in gfc_namespace.
	* resolve.c (resolve_fl_derived): Restore the building of the
	list of derived types for the current namespace. Modify the
	restored code so that a check is made to see if the symbol is
	already in the list.
	(resolve_fntype): Make sure that the specification block
	version of the derived type is used for a module function that
	returns that type. 
	* symbol.c (gfc_free_dt_list): Restore.
	(gfc_free_namespace): Restore call to previous.
	* trans-types.c (copy_dt_decls_ifequal): Restore.
	(gfc_get_derived_type): Restore all the paraphenalia for
	association of derived types, including calls to previous.
	Modify the restored code such that all derived types are built
	if their symbols are found in the parent namespace; not just
	non-module types.  Add backend_decls to like derived types in
	sibling namespaces, as well as that of the derived type.

2006-08-30  Kazu Hirata  <kazu@codesourcery.com>

	* match.c: Fix a comment typo.

2006-08-30  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/28885
	* trans-expr.c (gfc_conv_aliased_arg): Ensure that the temp
	declaration is retained for INTENT(OUT) arguments.

	PR fortran/28873
	PR fortran/20067
	* resolve.c (resolve_generic_f): Make error message more
	comprehensible.
	(resolve_generic_s): Restructure search for specific procedures
	to be similar to resolve_generic_f and change to similar error
	message.  Ensure that symbol reference is refreshed, in case
	the search produces a NULL.
	(resolve_specific_s): Restructure search, as above and as
	resolve_specific_f. Ensure that symbol reference is refreshed,
	in case the search produces a NULL.

	PR fortran/25077
	PR fortran/25102
	* interface.c (check_operator_interface): Throw error if the
	interface assignment tries to change intrinsic type assigments
	or has less than two arguments.  Also, it is an error if an
	interface operator contains an alternate return.

	PR fortran/24866
	* parse.c (gfc_fixup_sibling_symbols): Do not modify the symbol
	if it is a dummy in the contained namespace.

2006-08-29  Steven G. Kargl  <kargls@comcast.net>

	PR fortran/28866
	* match.c: Wrap copyright.
	(gfc_match_assignment):  Return MATCH_NO for failed lvalue.  Remove
	gotos.  Move error handling of FL_PARAMETER to ...
	* gfc_match_if: Deal with MATCH_NO from above.
	* primary.c: Wrap copyright.
	(match_variable): ... here.  Improve error messages.

2006-08-29  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/28788
	* symbol.c (gfc_use_derived): Never eliminate the symbol,
	following reassociation of use associated derived types.

2006-08-26  Steven G. Kargl  <kargls@comcast.net>

	* arith.h: Update Copyright dates.  Fix whitespace.
	* arith.c: Update Copyright dates.  Fix whitespace.  Fix comments.
	(gfc_arith_done_1): Clean up pedantic_min_int and subnormal.

2006-08-26  Tobias Burnus  <burnus@net-b.de>

	* gfortran.texi: Note variable initialization causes SAVE attribute.
	* intrinsic.texi: Clarify support for KIND=16 and KIND=10.
	Mention -std=f2003.  Cross reference INQUIRE from ACCESS intrinsic.
	Add missing ) in ACOS.

2006-08-26  Daniel Franke  <franke.daniel@gmail.com>

	* intrinsic.texi: Update Copyright date.  Added documentation
	for ACOSH, AND, ASINH, ATANH, CHDIR, FGET, FGETC, FPUT, FPUTC,
	GETCWD, OR and XOR intrinsics, removed inadvertently introduced
	doc-stubs for EQV and NEQV, corrected some typographical errors.

2006-08-24  Daniel Franke  <franke.daniel@gmail.com>,
	    Brooks Moses  <bmoses@stanford.edu>

	* intrinsic.texi: Added doc-stubs for undocumented intrinsics,
	added a "See Also" section, renamed the "Options" section to
	"Standard", improved the index, and made numerous minor
	typo corrections and grammatical fixes.

2006-08-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/28788
	* symbol.c (shift_types): Shift the derived type references in
	formal namespaces.
	(gfc_use_derived): Return if the derived type symbol is already
	in another namspace.  Add searches for the derived type in
	sibling namespaces.

	PR fortran/28771
	* decl.c (add_init_expr_to_sym): Restore the original but
	restricted to parameter arrays to fix a regression.

2006-08-23  Steven G. Kargl  <kargls@comcast.net>

	* gfortran.texi:  Fix last commit where a "no" was deleted and
	a grammatical error was introduced.

2006-08-23  Steven G. Kargl  <kargls@comcast.net>

	* gfortran.texi:  Spell check.  Add a few contributors to
	Chapter 9.  Expand the description of BOZ constant handling.

2006-08-20  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/25828
	* gfortran.texi: Mention STREAM I/O among supported F2003
	features.

2006-08-20  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/28601
	PR fortran/28630
	* gfortran.h : Eliminate gfc_dt_list structure and reference
	to it in gfc_namespace.
	* resolve.c (resolve_fl_derived): Remove the building of the
	list of derived types for the current namespace.
	* symbol.c (find_renamed_type): New function to find renamed
	derived types by symbol name rather than symtree name.
	(gfc_use_derived): Search parent namespace for identical
	derived type and use it, even if local version is complete,
	except in interface bodies. Ensure that renamed derived types
	are found by call to find_renamed_type. Recurse for derived
	type components.
	(gfc_free_dt_list): Remove.
	(gfc_free_namespace): Remove call to previous.
	* trans-types.c (copy_dt_decls_ifequal): Remove.
	(gfc_get_derived_type): Remove all the paraphenalia for
	association of derived types, including calls to previous.
	* match.c (gfc_match_allocate): Call gfc_use_derived to
	associate any derived types that are being allocated.

	PR fortran/20886
	* resolve.c (resolve_actual_arglist): The passing of
	a generic procedure name as an actual argument is an
	error.

	PR fortran/28735
	* resolve.c (resolve_variable): Check for a symtree before
	resolving references.

	PR fortran/28762
	* primary.c (match_variable): Return MATCH_NO if the symbol
	is that of the program.

	PR fortran/28425
	* trans-expr.c (gfc_trans_subcomponent_assign): Translate
	derived type component expressions other than another derived
	type constructor.

	PR fortran/28496
	* expr.c (find_array_section): Correct errors in
	the handling of a missing start value for the
	index triplet in an array reference.

	PR fortran/18111
	* trans-decl.c (gfc_build_dummy_array_decl): Before resetting
	reference to backend_decl, set it DECL_ARTIFICIAL.
	(gfc_get_symbol_decl): Likewise for original dummy decl, when
	a copy is made of an array.
	(create_function_arglist): Likewise for the _entry paramter
	in entry_masters.
	(build_entry_thunks): Likewise for dummies in entry thunks.

	PR fortran/28600
	* trans-decl.c (gfc_get_symbol_decl): Ensure that the
	DECL_CONTEXT of the length of a character dummy is the
	same as that of the symbol declaration.

	PR fortran/28771
	* decl.c (add_init_expr_to_sym): Remove setting of charlen for
	an initializer of an assumed charlen variable.

	PR fortran/28660
	* trans-decl.c (generate_expr_decls): New function.
	(generate_dependency_declarations): New function.
	(generate_local_decl): Call previous if not either a dummy or
	a declaration in an entry master.

2006-08-19  Erik Edelmann  <eedelman@gcc.gnu.org>

	PR fortran/25217
	* resolve.c (resolve_fl_variable): Set a default initializer for
	derived types with INTENT(OUT) even if 'flag' is true.
	* trans-expr.c (gfc_conv_function_call): Insert code to
	reinitialize INTENT(OUT) arguments of derived type with default
	initializers.

2006-08-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/25828
	* gfortran.h: Add new pointer for stream position to st_inquire.
	Rename gfc_large_io_int_kind to gfc_intio_kind.
	* trans-types.c (gfc_init_kinds): use gfc_intio_kind.
	* io.c: Add new IO tag for file position going in and another for out.
	(match_dt_element): Match new tag_spos.
	(gfc_resolve_dt): Resolve new tag_spos.
	(gfc_free_inquire): Free inquire->strm_pos.
	(match_inquire_element): Match new tag_strm_out.
	(gfc_resolve_inquire): Resolve new tag_strm_out.
	* trans-io.c: Rename IOPARM_type_large_io_int to IOPARM_type_intio.
	(gfc_build_st_parameter): Same.
	(gfc_build_io_library_fndecls) Same. and add build pointer type pintio.
	(gfc_trans_inquire): Translate strm_pos for inquire.
	* ioparm.def: Reorder flags to accomodate addition of new inquire
	flag for strm_pos_out and add it in.

2006-08-06  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/28590
	* parse.c (parse_derived): Remove the test for sequence type
	components of a sequence type.
	* resolve.c (resolve_fl_derived): Put the test here so that
	pointer components are tested.

2006-08-05  Steven G. Kargl <kargls@comcast.nt>

	PR fortran/28548
	* resolve.c(resolve_elemental_actual): Add flags.h to use -pedantic
	and exclude conversion functions in conditional.  Change gfc_error
	to gfc_warning.
	(warn_unused_label) Rename to ...
	(warn_unused_fortran_label) avoid warn_unused_label in flags.h.

2006-07-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	* intrinsic.c (add_functions): Add ACCESS, CHMOD, RSHIFT, LSHIFT.
	(add_subroutines): Add LTIME, GMTIME and CHMOD.
	* intrinsic.h (gfc_check_access_func, gfc_check_chmod,
	gfc_check_chmod_sub, gfc_check_ltime_gmtime, gfc_simplify_rshift,
	gfc_simplify_lshift, gfc_resolve_access, gfc_resolve_chmod,
	gfc_resolve_rshift, gfc_resolve_lshift, gfc_resolve_chmod_sub,
	gfc_resolve_gmtime, gfc_resolve_ltime): Add prototypes.
	* gfortran.h (gfc_generic_isym_id): Add GFC_ISYM_ACCESS,
	GFC_ISYM_CHMOD, GFC_ISYM_LSHIFT, GFC_ISYM_RSHIFT.
	* iresolve.c (gfc_resolve_access, gfc_resolve_chmod,
	gfc_resolve_rshift, gfc_resolve_lshift, gfc_resolve_chmod_sub,
	gfc_resolve_gmtime, gfc_resolve_ltime): New functions.
	* check.c (gfc_check_access_func, gfc_check_chmod,
	gfc_check_chmod_sub, gfc_check_ltime_gmtime): New functions.
	* trans-intrinsic.c (gfc_conv_intrinsic_rlshift): New function.
	(gfc_conv_intrinsic_function): Add cases for the new GFC_ISYM_*.

2006-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

	* Make-lang.in: Use $(HEADER_H) instead of header.h in dependencies.

2006-07-26  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	* intrinsic.c (add_functions): Add INT2, SHORT, INT8, LONG,
	LSTAT, MCLOCK and MCLOCK8 intrinsic functions.
	(add_subroutines): Add LSTAT intrinsic subroutine.
	* gfortran.h (gfc_generic_isym_id): Add GFC_ISYM_INT2,
	GFC_ISYM_INT8, GFC_ISYM_LONG, GFC_ISYM_LSTAT, GFC_ISYM_MCLOCK
	and GFC_ISYM_MCLOCK8.
	* iresolve.c (gfc_resolve_int2, gfc_resolve_int8,
	gfc_resolve_long, gfc_resolve_lstat, gfc_resolve_mclock,
	gfc_resolve_mclock8, gfc_resolve_lstat_sub): New functions.
	* check.c (gfc_check_intconv): New function.
	* trans-intrinsic.c (gfc_conv_intrinsic_function): Add cases for
	the added GFC_ISYM_*.
	* simplify.c (gfc_simplify_intconv, gfc_simplify_int2,
	gfc_simplify_int8, gfc_simplify_long): New functions.
	* intrinsic.h (gfc_check_intconv, gfc_simplify_int2,
	gfc_simplify_int8, gfc_simplify_long, gfc_resolve_int2,
	gfc_resolve_int8, gfc_resolve_long, gfc_resolve_lstat,
	gfc_resolve_mclock, gfc_resolve_mclock8, gfc_resolve_lstat_sub):
	Add prototypes.

2006-07-24  Erik Edelmann  <eedelman@gcc.gnu.org>

	PR fortran/28416
	* trans-array.c (gfc_conv_array_parameter): Give special treatment for
	ALLOCATABLEs if they are themselves dummy variables.

2006-07-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/25289
	* gfortran.h: Declare gfc_large_io_int_kind.
	* trans-types.c (gfc_init_kinds): Set gfc_large_io_int_kind
	to size 8 or 4.
	* trans-io.c (enum iofield_type): Add large_io_int type.
	(gfc_build_st_parameter): Same.
	(gfc_build_io_library_fndecls): Same.
	* ioparm_def: Use large_io_int to define rec.

2006-07-22  Steven Bosscher  <steven@gcc.gnu.org> 

	PR fortran/28439
	* trans-stmt.c (gfc_trans_arithmetic_if): Evaluate the condition once.

2006-07-16  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/28390
	* trans-openmp.c (gfc_trans_omp_do): Look for LASTPRIVATE in
	code->exp.omp_clauses rather than in the 3rd function argument.

2006-07-16  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/28384
	* trans-common.c (translate_common): If common_segment is NULL
	emit error that common block does not exist.

	PR fortran/20844
	* io.c (check_io_constraints): It is an error if an ADVANCE
	specifier appears without an explicit format.

	PR fortran/28201
	* resolve.c (resolve_generic_s): For a use_associated function,
	do not search for an alternative symbol in the parent name
	space.

	PR fortran/20893
	* resolve.c (resolve_elemental_actual): New function t combine
	all the checks of elemental procedure actual arguments. In
	addition, check of array valued optional args(this PR) has
	been added.
	(resolve_function, resolve_call): Remove parts that treated
	elemental procedure actual arguments and call the above.

2006-07-14  Steven G. Kargl  <kargls@comcast.net>

	* trans-expr.c (gfc_trans_string_copy): Evaluate the string lengths

006-07-13  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/28353
	* trans-expr.c (gfc_conv_aliased_arg): Missing formal arg means
	that intent is INOUT (fixes regression).

	PR fortran/25097
	* check.c (check_present): The only permitted reference is a
	full array reference.

	PR fortran/20903
	* decl.c (variable_decl): Add error if a derived type is not
	from the current namespace if the namespace is an interface
	body.

2006-07-12  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/28163
	* trans-expr.c (gfc_trans_string_copy): Generate inline code
	to perform string copying instead of calling a library function.
	* trans-decl.c (gfc_build_intrinsic_function_decls): Don't build
	decl for copy_string.
	* trans.h (gfor_fndecl_copy_string): Remove prototype.

2006-07-11  Feng Wang  <fengwang@nudt.edu.cn>

	PR fortran/28213
	* trans-io.c (transfer_expr): Deal with Hollerith constants used in
	I/O list.

2006-07-07  Kazu Hirata  <kazu@codesourcery.com>

	* intrinsic.texi: Fix typos.

2006-07-07  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/28237
	PR fortran/23420
	* io.c (resolve_tag): Any integer that is not an assigned
	variable is an error.

2006-07-06  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/28129
	* trans-array.c (gfc_trans_array_bound_check): Add a locus
	argument, and use it in the error messages.
	(gfc_conv_array_index_offset): Donc perform bounds checking on
	the last dimension of assumed-size arrays.

2006-07-06  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/27874
	* trans-stmt.c (compute_inner_temp_size): Don't perform bounds
	checking when calculating the bounds of scalarization.

2006-07-05  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/20892
	* interface.c (gfc_match_interface): Don't allow dummy procedures
	to have a generic interface.

2006-07-04  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/28174
	* trans-array.c (gfc_conv_expr_descriptor): When building temp,
	ensure that the substring reference uses a new charlen.
	* trans-expr.c (gfc_conv_aliased_arg): Add the formal intent to
	the argument list, lift the treatment of missing string lengths
	from the above and implement the use of the intent.
	(gfc_conv_function_call): Add the extra argument to the call to
	the above.

	PR fortran/28167
	* trans-array.c (get_array_ctor_var_strlen): Treat a constant
	substring reference.
	* array.c (gfc_resolve_character_array_constructor): Remove 
	static attribute and add the gfc_ prefix, make use of element
	charlens for the expression and pick up constant string lengths
	for expressions that are not themselves constant.
	* gfortran.h : resolve_character_array_constructor prototype
	added.
	* resolve.c (gfc_resolve_expr): Call resolve_character_array_
	constructor again after expanding the constructor, to ensure
	that the character length is passed to the expression.

2006-07-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
	    Daniel Franke  <franke.daniel@gmail.com>

	* intrinsic.c (add_subroutines): Add ITIME and IDATE.
	* intrinsic.h (gfc_check_itime_idate,gfc_resolve_idate,
	fc_resolve_itime): New protos.
	* iresolve.c (gfc_resolve_itime, gfc_resolve_idate): New functions.
	* check.c (gfc_check_itime_idate): New function.
	* intrinsic.texi: Document the new intrinsics.

2006-07-03  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	* intrinsics/date_and_time.c (itime0,idate0,itime_i4,itime_i8,
	idate_i4,idate_i8): New functions.


2006-07-03  Asher Langton  <langton2@llnl.gov>

	* decl.c (match_old_style_init): Add data attribute to symbol.

2006-07-03  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	* iresolve.c (gfc_resolve_cpu_time, gfc_resolve_random_number):
	Remove ATTRIBUTE_UNUSED for used argument.

2006-07-03  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	* intrinsic.texi: Document new intrinsics.

2006-07-01  Tobias Schl聛黷er  <tobias.schlueter@physik.uni-muenchen.de>

	PR fortran/19259
	* parse.c (next_free): Error out on line starting with semicolon.
	(next_fixed): Fix formatting.  Error out on line starting with
	semicolon.

2006-06-30  Kazu Hirata  <kazu@codesourcery.com>

	* check.c: Fix a comment typo.

2006-06-25  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25056
	* interface.c (compare_actual_formal): Signal an error if the formal
	argument is a pure procedure and the actual is not pure.

	PR fortran/27554
	* resolve.c (resolve_actual_arglist): If the type of procedure
	passed as an actual argument is not already declared, see if it is
	an intrinsic.

	PR fortran/25073
	* resolve.c (resolve_select): Use bits 1 and 2 of a new int to
	keep track of  the appearance of constant logical case expressions.
	Signal an error is either value appears more than once.

	PR fortran/20874
	* resolve.c (resolve_fl_procedure): Signal an error if an elemental
	function is not scalar valued.

	PR fortran/20867
	* match.c (recursive_stmt_fcn): Perform implicit typing of variables.

	PR fortran/22038
	* match.c (match_forall_iterator): Mark new variables as
	FL_UNKNOWN if the match fails.

	PR fortran/28119
	* match.c (gfc_match_forall): Remove extraneous call to
	gfc_match_eos.

	PR fortran/25072
	* resolve.c (resolve_code, resolve_function): Rework
	forall_flag scheme so that it is set and has a value of
	2, when the code->expr (ie. the forall mask) is resolved.
	This is used to change "block" to "mask" in the non-PURE
	error message.

2006-06-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/28081
	* resolve.c (resolve_substring): Don't issue out-of-bounds
	error messages when the range has zero size.

2006-06-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/23862
	* lang-specs.h (f95-cpp-input): Pass -ffree-form to f951 unless
	-ffixed-form is explicitly specified.

2006-06-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/28118
	* trans-array.c (gfc_conv_expr_descriptor): When building temp,
	use the substring reference to calculate the length if the
	expression does not have a charlen.

2006-06-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/28094
	* trans-intrinsic.c (gfc_conv_intrinsic_mod): Support cases where
	there is no integer kind equal to the resulting real kind.
	* intrinsic.c (add_functions): MODULO is not allowed as an actual
	argument.

2006-06-23  Steven G. Kargl  <kargls@comcast.net>

	PR fortran/27981
	* match.c (gfc_match_if):  Handle errors in assignment in simple if.

2006-06-22  Asher Langton  <langton2@llnl.gov>

	PR fortran/24748
	* primary.c (gfc_match_rvalue): Don't call match_substring for
	implicit non-character types.

2006-06-22  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR libfortran/26769
	* iresolve.c (gfc_resolve_reshape): Call reshape_r4 and
	reshape_r8 instead of reshape_4 and reshape_8.
	(gfc_resolve_transpose): Likewise for transpose.

2006-06-21  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	* trans-expr.c (gfc_conv_missing_dummy, gfc_conv_unary_op,
	gfc_conv_cst_int_power, gfc_conv_string_tmp,
	gfc_conv_function_call): Replace calls to convert on constant
	integer nodes by build_int_cst.
	* trans-stmt.c (gfc_trans_do): Likewise.
	* trans-io.c (set_internal_unit, transfer_namelist_element):
	Likewise.
	* trans-decl.c (build_entry_thunks): Likewise.

2006-06-20  Steven G. Kargl  <kargls@comcast.net>

	* simplify.c (gfc_simplify_rrspacing): Initialize and clear mpfr_t
	variable.

2006-06-20  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25049
	PR fortran/25050
	* check.c (non_init_transformational): New function.
	(find_substring_ref): New function to signal use of disallowed
	transformational intrinsic in an initialization expression.
	(gfc_check_all_any): Call previous if initialization expr.
	(gfc_check_count): The same.
	(gfc_check_cshift): The same.
	(gfc_check_dot_product): The same.
	(gfc_check_eoshift): The same.
	(gfc_check_minloc_maxloc): The same.
	(gfc_check_minval_maxval): The same.
	(gfc_check_gfc_check_product_sum): The same.
	(gfc_check_pack): The same.
	(gfc_check_spread): The same.
	(gfc_check_transpose): The same.
	(gfc_check_unpack): The same.

	PR fortran/18769
	*intrinsic.c (add_functions): Add gfc_simplify_transfer.
	*intrinsic.h : Add prototype for gfc_simplify_transfer.
	*simplify.c (gfc_simplify_transfer) : New function to act as
	placeholder for eventual implementation.  Emit error for now.

	PR fortran/16206
	* expr.c (find_array_element): Eliminate condition on length of
	offset. Add bounds checking. Rearrange exit. Return try and
	put gfc_constructor result as an argument.
	(find_array_section): New function.
	(find_substring_ref): New function.
	(simplify_const_ref): Add calls to previous.
	(simplify_parameter_variable): Return on NULL expr.
	(gfc_simplify_expr): Only call gfc_expand_constructor for full
	arrays.

	PR fortran/20876
	* match.c (gfc_match_forall): Add missing locus to gfc_code.

2006-06-18  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/26801
	* trans-intrinsic.c (gfc_conv_associated): Use pre and post blocks
	of the scalarization expression.

2006-06-18  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/19310
	PR fortran/19904
	* arith.c (gfc_range_check): Return ARITH_OK if -fno-range-check. Add
	return of ARITH_NAN, ARITH_UNDERFLOW, and ARITH_OVERFLOW.
	(gfc_arith_divide): If -fno-range-check allow mpfr to divide by zero.
	* gfortran.h (gfc_option_t): Add new flag.
	* invoke.texi: Document new flag.
	* lang.opt: Add option -frange-check.
	* options.c (gfc_init_options): Initialize new flag.
	(gfc_handle_options): Set flag if invoked.
	* simplify.c (range_check): Add error messages for
	overflow, underflow, and other errors.
	* trans-const.c (gfc_conv_mpfr_to_tree): Build NaN and Inf from mpfr
	result.

2006-06-17  Karl Berry  <karl@gnu.org>

	* gfortran.texi (@dircategory): Use "Software development"
	instead of "Programming", following the Free Software Directory.

2006-06-16  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/27965
	* trans-array.c (gfc_conv_ss_startstride): Correct the runtime
	conditions for bounds-checking. Check for nonzero stride.
	Don't check the last dimension of assumed-size arrays. Fix the
	dimension displayed in the error message.

2006-06-15  Thomas Koenig <Thomas.Koenig@online.de>

	* trans-array.h (gfc_trans_create_temp_array):  Add bool
	argument.
	* trans-arrray.c (gfc_trans_create_temp_array): Add extra
	argument "function" to show if we are translating a function.
	If we are translating a function, perform checks whether
	the size along any argument is negative.  In that case,
	allocate size 0.
	(gfc_trans_allocate_storage):  Add function argument (as
	false) to gfc_trans_create_temp_array call.
	* trans-expr.c (gfc_conv_function_call):  Add function
	argument (as true) to gfc_trans_create_temp_array call.
	* trans-stmt.c (gfc_conv_elemental_dependencies): Add
	function argument (as false) to gfc_trans_create_temp_array
	call.
	* trans-intrinsic.c:  Likewise.

2006-06-10  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/24558
	PR fortran/20877
	PR fortran/25047
	* decl.c (get_proc_name): Add new argument to flag that a
	module function entry is being treated. If true, correct
	error condition, add symtree to module namespace and add
	a module procedure.
	(gfc_match_function_decl, gfc_match_entry,
	gfc_match_subroutine): Use the new argument in calls to
	get_proc_name.
	* resolve.c (resolve_entries): ENTRY symbol reference to
	to master entry namespace if a module function.
	* trans-decl.c (gfc_create_module_variable): Return if
	the symbol is an entry.
	* trans-exp.c (gfc_conv_variable): Check that parent_decl
	is not NULL.

2006-06-09  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/27916
	* trans-openmp.c (gfc_omp_clause_default_ctor): New function.
	* trans.h (gfc_omp_clause_default_ctor): New prototype.
	* f95-lang.c (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Define.

2006-06-08  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/27958
	* trans-expr.c (gfc_conv_substring): If the substring start is
	greater than its end, the length of the substring is zero, and
	not negative.
	(gfc_trans_string_copy): Don't generate a call to
	_gfortran_copy_string when destination length is zero.

2006-06-08  Asher Langton  <langton2@llnl.gov>
	
	PR fortran/27786
	* trans-array.c (gfc_conv_array_ref): Eliminate bounds checking
	for assumed-size Cray pointees.

2006-06-08  Steven G. Kargl  <kargls@comcat.net>

	* intrinsic.c (add_subroutine):  Make make_noreturn() conditional on
	the appropriate symbol name.
	
2006-06-07  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/23091
	* resolve.c (resolve_fl_variable): Error if an automatic
	object has the SAVE attribute.

	PR fortran/24168
	* expr.c (simplify_intrinsic_op): Transfer the rank and
	the locus to the simplified expression.

	PR fortran/25090
	PR fortran/25058
	* gfortran.h : Add int entry_id to gfc_symbol.
	* resolve.c : Add static variables current_entry_id and
	specification_expr.
	(resolve_variable): During code resolution, check if a
	reference to a dummy variable in an executable expression
	is preceded by its appearance as a parameter in an entry.
	Likewise check its specification expressions.
	(resolve_code): Update current_entry_id on EXEC_ENTRY.
	(resolve_charlen, resolve_fl_variable): Set and reset
	specifiaction_expr.
	(is_non_constant_shape_array): Do not return on detection
	of a variable but continue to resolve all the expressions.
	(resolve_codes): set current_entry_id to an out of range
	value.

2006-06-06  Mike Stump  <mrs@apple.com>

	* Make-lang.in: Rename to htmldir to build_htmldir to avoid
	installing during build.

2006-06-06  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/27897
	* match.c (gfc_match_common):  Fix code typo.  Remove
	sym->name, since sym is NULL, and replace with name.

2006-06-05  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR libfortran/27895
	* resolve.c (compute_last_value_for_triplet): New function.
	(check_dimension): Correctly handle zero-sized array sections.
	Add checking on last element of array sections.

2006-06-05  Steven G. Kargl  <kargls@comcast.net>

	* data.c (gfc_assign_data_value):  Fix comment typo.  Remove
	a spurious return.

2006-06-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/14067
	* data.c (create_character_intializer): Add warning message
	for truncated string.

	PR fortran/16943
	* symbol.c : Include flags.h.
	(gfc_add_type): If a procedure and types are the same do not
	throw an error unless standard is less than gnu or pedantic.

	PR fortran/20839
	* parse.c (parse_do_block): Error if named block do construct
	does not have a named enddo.

	PR fortran/27655
	* check.c (gfc_check_associated): Pick up EXPR_NULL for pointer
	as well as target and put error return at end of function.

2006-06-03  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	* trans.c (gfc_msg_bounds, gfc_msg_fault, gfc_msg_wrong_return):
	Add strings for common runtime error messages.
	(gfc_trans_runtime_check): Add a locus argument, use a string
	and not a string tree for the message.
	* trans.h (gfc_trans_runtime_check): Change prototype accordingly.
	(gfc_msg_bounds, gfc_msg_fault, gfc_msg_wrong_return): Add proto.
	* trans-const.c (gfc_strconst_bounds, gfc_strconst_fault,
	gfc_strconst_wrong_return, gfc_strconst_current_filename): Remove.
	(gfc_init_constants): Likewise.
	* trans-const.h: Likewise.
	* trans-decl.c (gfc_build_builtin_function_decls): Call to
	_gfortran_runtime_error has only one argument, the message string.
	* trans-array.h (gfc_conv_array_ref): Add a symbol argument and a
	locus.
	* trans-array.c (gfc_trans_array_bound_check): Build precise
	error messages.
	(gfc_conv_array_ref): Use the new symbol argument and the locus
	to build more precise error messages.
	(gfc_conv_ss_startstride): More precise error messages.
	* trans-expr.c (gfc_conv_variable): Give symbol reference and
	locus to gfc_conv_array_ref.
	(gfc_conv_function_call): Use the new prototype for
	gfc_trans_runtime_check.
	* trans-stmt.c (gfc_trans_goto): Build more precise error message.
	* trans-io.c (set_string): Likewise.
	* trans-intrinsic.c (gfc_conv_intrinsic_bound): Use new prototype
	for gfc_trans_runtime_check.

2006-06-01  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/27715
	* arith.c:  Cast the characters from the strings to unsigned
	char to avoid values less than 0 for extended ASCII.

2006-06-01  Per Bothner  <bothner@bothner.com>

	* data.c (gfc_assign_data_value): Handle USE_MAPPED_LOCATION.
	* scanner.c (gfc_gobble_whitespace): Likewise.

2006-06-01  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25098
	PR fortran/25147
	* interface.c (compare_parameter): Return 1 if the actual arg
	is external and the formal is a procedure.
	(compare_actual_formal): If the actual argument is a variable
	and the formal a procedure, this an error.  If a gsymbol exists
	for a procedure of the same name, this is not yet resolved and
	the error is cleared.

	* trans-intrinsic.c (gfc_conv_associated): Make provision for
	zero array length or zero string length contingent on presence
	of target, for consistency with standard.

2006-05-30  Asher Langton  <langton2@llnl.gov>

	* symbol.c (check_conflict): Allow external, function, and
	subroutine attributes with Cray pointees.
	* trans-expr.c (gfc_conv_function_val): Translate Cray pointees
	that point to procedures.
	* gfortran.texi: Document new feature.

2006-05-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/27634
	* io.c (check_format): Add error for missing period in format
	specifier unless -std=legacy.
	* gfortran.texi: Add description of expanded namelist read and
	missing period in format extensions.

2006-05-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/19777
	* trans-array.c (gfc_conv_array_ref): Perform out-of-bounds
	checking for assumed-size arrrays for all but the last dimension.

2006-05-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	* invoke.texi: Change -fpackderived into -fpack-derived.

2006-05-29  Kazu Hirata  <kazu@codesourcery.com>

	* options.c, primary.c, resolve.c, trans-common.c: Fix typos
	in error messages.

2006-05-28  Kazu Hirata  <kazu@codesourcery.com>

	* check.c, expr.c, resolve.c, trans-common.c,
	trans-intrinsic.c, trans-stmt.c, trans-types.c: Fix comment typos.

2006-05-27  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/19777
	* trans-array.c (gfc_conv_array_ref): Don't perform out-of-bounds
	checking for assumed-size arrrays.

2006-05-27  Paul Thomas  <pault@gcc.gnu.org>

	* trans-intrinsic.c (gfc_conv_associated): If pointer in first
	arguments has zero array length of zero string length, return
	false.

2006-05-26  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/27524
	* trans-array.c (gfc_trans_dummy_array_bias): Don't use stride as
	a temporary variable when -fbounds-check is enabled, since its
	value will be needed later.

2006-05-26  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/23151
	* io.c (match_io):  print (1,*) is an error.

2006-05-26  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/27709
	* resolve.c (find_array_spec): Add gfc_symbol, derived, and
	use to track repeated component references.

	PR fortran/27155
	PR fortran/27449
	* trans-intrinsic.c (gfc_conv_intrinsic_array_transfer): Use
	se->string_length throughout and use memcpy to populate the
	expression returned to the scalarizer.
	(gfc_size_in_bytes): New function.

2006-05-21  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/27613
	* primary.c (gfc_match_rvalue): Test if symbol represents a
	direct recursive function reference.  Error if array valued,
	go to function0 otherwise.

2006-05-21  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25746
	* interface.c (gfc_extend_assign): Use new EXEC_ASSIGN_CALL.
	* gfortran.h : Put EXEC_ASSIGN_CALL in enum.
	* trans-stmt.c (gfc_conv_elemental_dependencies): New function.
	(gfc_trans_call): Call it.  Add new boolian argument to flag
	need for dependency checking. Assert intent OUT and IN for arg1
	and arg2.
	(gfc_trans_forall_1): Use new code EXEC_ASSIGN_CALL.
	trans-stmt.h : Modify prototype of gfc_trans_call.
	trans.c (gfc_trans_code): Add call for EXEC_ASSIGN_CALL.
	st.c (gfc_free_statement): Free actual for EXEC_ASSIGN_CALL.
	* dependency.c (gfc_check_fncall_dependency): Don't check other
	against itself.

	PR fortran/25090
	* resolve.c : Remove resolving_index_expr.
	(entry_parameter): Remove.
	(gfc_resolve_expr, resolve_charlen, resolve_fl_variable): Lift
	calls to entry_parameter and references to resolving_index_expr.

	PR fortran/27584
	* check.c (gfc_check_associated): Replace NULL assert with an
	error message, since it is possible to generate bad code that
	has us fall through to here..

	PR fortran/19015
	* iresolve.c (maxloc, minloc): If DIM is not present, pass the
	rank of ARRAY as the shape of the result.  Otherwise, pass the
	shape of ARRAY, less the dimension DIM.
	(maxval, minval): The same, when DIM is present, otherwise no
	change.

2006-05-19  H.J. Lu  <hongjiu.lu@intel.com>

	PR fortran/27662
	* trans-array.c (gfc_conv_expr_descriptor): Don't zero the
	first stride to indicate a temporary.
	* trans-expr.c (gfc_conv_function_call): Likewise.

2006-05-18  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
	    Feng Wang  <fengwang@nudt.edu.cn>

	PR fortran/27552
	* dump-parse-tree.c (gfc_show_expr): Deal with Hollerith constants.
	* data.c (create_character_intializer): Set from_H flag if character is
	initialized by Hollerith constant.

2006-05-17  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/26551
	* resolve.c (resolve_call, resolve_function): Issue an error
	if a function or subroutine call is recursive but the function or
	subroutine wasn't declared as such.

2006-05-07  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/26551
	* gfortran.dg/recursive_check_1.f: New test.


2006-05-17  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/27320
	* dump-parse-tree.c (gfc_show_code_node): Try harder to find the
	called procedure name.

2006-05-17  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/27415
	* trans-openmp.c (gfc_trans_omp_parallel_do,
	gfc_trans_omp_parallel_sections, gfc_trans_omp_parallel_workshare): Set
	OMP_PARALLEL_COMBINED flag.

2006-05-16  H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/26885
	* Make-lang.in (GFORTRAN_D_OBJS): Replace gcc.o with
	$(GCC_OBJS).

2006-05-15  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25090
	* resolve.c: Static resolving_index_expr initialized.
	(entry_parameter): New function to emit errors for variables
	that are not entry parameters.
	(gfc_resolve_expr): Call entry_parameter, when resolving
	variables, if the namespace has entries and resolving_index_expr
	is set.
	(resolve_charlen): Set resolving_index_expr before the call to
	resolve_index_expr and reset it afterwards.
	(resolve_fl_variable): The same before and after the call to
	is_non_constant_shape_array, which ultimately makes a call to
	gfc_resolve_expr.

	PR fortran/25082
	* resolve.c (resolve_code): Add error condition that the return
	expression must be scalar.

	PR fortran/27411
	* matchexp.c (gfc_get_parentheses): New function.
	(match_primary): Remove inline code and call above.
	* gfortran.h: Provide prototype for gfc_get_parentheses.
	* resolve.c (resolve_array_ref): Call the above, when start is a
	derived type variable array reference.

2006-05-15  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/27446
	* trans-openmp.c (gfc_trans_omp_array_reduction): Ensure
	OMP_CLAUSE_REDUCTION_{INIT,MERGE} are set to BIND_EXPR.

2006-05-14  H.J. Lu  <hongjiu.lu@intel.com>

	* Make-lang.in (fortran/options.o): Depend on $(TARGET_H).

2006-05-11  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/27553
	* parse.c (next_free): Return instead of calling decode_statement
	upon error.

2005-05-10  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/27470
	* trans-array.c(gfc_array_allocate):  If ref->next exists
	that is if there is a statement like ALLOCATE(foo%bar(2)),
	F95 rules require that bar should be a pointer.

2006-05-10  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/20460
	* resolve.c (gfc_resolve_index): Make REAL array indices a
	GFC_STD_LEGACY feature.

2006-05-10  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/24549
	* parse.c (reject_statement): Clear gfc_new_block.

2006-05-09  Steven G. Kargl  <kargls@comcast.net>

	* invoke.texi: Missed file in previous commit.  Update
	 description of -fall-intrinsics

2006-05-07  Steven Boscher  <steven@gcc.gnu.org>

	PR fortran/27378
	* parse.c (next_statement): Add check to avoid an ICE when
	gfc_current_locus.lb is not set.

2006-05-07  Tobias Schl聛黷er  <tobias.schlueter@physik.uni-muenchen.de>

	PR fortran/27457
	* match.c (match_case_eos): Error out on garbage following
	CASE(...).

2006-05-07  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/24813
	* trans-array.c (get_array_ctor_strlen): Remove static attribute.
	* trans.h: Add prototype for get_array_ctor_strlen.
	* trans-intrinsic.c (gfc_conv_intrinsic_len): Switch on EXPR_ARRAY
	and call get_array_ctor_strlen.

2006-05-05  Steven G. Kargl  <kargls@comcast.net>

	* invoke.texi: Update description of -fall-intrinsics
	* options.c (gfc_post_options): Disable -Wnonstd-intrinsics if
	-fall-intrinsics is used.
	(gfc_handle_option): Permit -Wno-nonstd-intrinsics.

2006-05-04  Tobias Schl聛黷er  <tobias.schlueter@physik.uni-muenchen.de>

	* simplify.c (ascii_table): Fix wrong entry.

2006-05-02  Steven G. Kargl  <kargls@comcast.net>

	PR fortran/26896
	* lang.opt: Fix -Wtab description

	PR fortran/20248  
	* lang.opt: New flag -fall-intrinsics.
	* invoke.texi:  Document option.
	* gfortran.h (options_t):  New member flag_all_intrinsics.
	* options.c (gfc_init_options, gfc_handle_option): Set new option.
	sort nearby misplaced options.
	* intrinsic.c (add_sym, make_generic, make_alias):  Use it.

2006-05-02 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/27269
	* module.c: Add static flag in_load_equiv.
	(mio_expr_ref): Return if no symtree and in_load_equiv.
	(load_equiv): If any of the equivalence members have no symtree, free
	the equivalence and the associated expressions.

	PR fortran/27324
	* trans-common.c (gfc_trans_common): Invert the order of calls to
	finish equivalences and gfc_commit_symbols.

2006-04-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR fortran/25681
	* simplify.c (simplify_len): Character variables with constant
	length can be simplified.

2006-04-29  H.J. Lu  <hongjiu.lu@intel.com>

	PR fortran/27351
	* trans-array.c (gfc_conv_array_transpose): Move gcc_assert
	before gfc_conv_expr_descriptor.

2006-04-23  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25099
	* resolve.c (resolve_call): Check conformity of elemental
	subroutine actual arguments.

2006-04-22  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/26769
	* iresolve.c (gfc_resolve_reshape): Use reshape_r16 for real(16).
	(gfc_resolve_transpose): Use transpose_r16 for real(16).

2006-04-21 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/27122
	* resolve.c (resolve_function): Remove general restriction on auto
	character length function interfaces.
	(gfc_resolve_uops): Check restrictions on defined operator
	procedures.
	(resolve_types): Call the check for defined operators.

	PR fortran/27113
	* trans-array.c (gfc_trans_array_constructor_subarray): Remove
	redundant gfc_todo_error.
	(get_array_ctor_var_strlen): Remove typo in enum.

2006-04-18  Bernhard Fischer  <aldot@gcc.gnu.org>

	* parse.c (next_free): Use consistent error string between
	free-form and fixed-form for illegal statement label of zero.
	(next_fixed): Use consistent warning string between free-form
	and fixed-form for statement labels for empty statements.

2006-04-18  Steve Ellcey  <sje@cup.hp.com>

	* trans-io.c (gfc_build_io_library_fndecls): Align pad.

2006-04-16  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/26017
	* trans-array.c(gfc_array_init_size):  Introduce or_expr
	which is true if the size along any dimension
	is negative.  Create a temporary variable with base
	name size.  If or_expr is true, set the temporary to 0,
	to the normal size otherwise.

2006-04-16  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/26822
	* intrinsic.c (add_functions): Mark LOGICAL as elemental.

	PR fortran/26787
	* expr.c (gfc_check_assign): Extend scope of error to include
	assignments to a procedure in the main program or, from a
	module or internal procedure that is not that represented by
	the lhs symbol. Use VARIABLE rather than l-value in message.

	PR fortran/27096
	* trans-array.c (gfc_trans_deferred_array): If the backend_decl
	is not a descriptor, dereference and then test and use the type.

	PR fortran/25597
	* trans-decl.c (gfc_trans_deferred_vars): Check if an array
	result, is also automatic character length.  If so, process
	the character length.

	PR fortran/18003
	PR fortran/25669
	PR fortran/26834
	* trans_intrinsic.c (gfc_walk_intrinsic_bound): Set
	data.info.dimen for bound intrinsics.
	* trans_array.c (gfc_conv_ss_startstride): Pick out LBOUND and
	UBOUND intrinsics and supply their shape information to the ss
	and the loop.

	PR fortran/27124
	* trans_expr.c (gfc_trans_function_call):  Add a new block, post,
	in to which all the argument post blocks are put.  Add this block
	to se->pre after a byref call or to se->post, otherwise.

2006-04-14  Roger Sayle  <roger@eyesopen.com>

	* trans-io.c (set_string): Use fold_build2 and build_int_cst instead
	of build2 and convert to construct "x < 0" rather than "x <= -1".

2006-04-13  Richard Henderson  <rth@redhat.com>

	* trans-openmp.c (gfc_trans_omp_sections): Adjust for changed
	number of operands to OMP_SECTIONS.

2006-04-08  Kazu Hirata  <kazu@codesourcery.com>

	* gfortran.texi: Fix typos.  Follow spelling conventions.
	* resolve.c, trans-expr.c, trans-stmt.c: Fix comment typos.
	Follow spelling conventions.

2006-04-05  Roger Sayle  <roger@eyesopen.com>

	* dependency.c (get_no_elements): Delete function.
	(get_deps): Delete function.
	(transform_sections): Delete function.
	(gfc_check_section_vs_section): Significant rewrite.

2006-04-04  H.J. Lu  <hongjiu.lu@intel.com>

	PR fortran/25619
	* trans-array.c (gfc_conv_expr_descriptor): Only dereference
	character pointer when copying temporary.

	PR fortran/23634
	* trans-array.c (gfc_conv_expr_descriptor): Properly copy
	temporary character with non constant size.

2006-04-03  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/26891
	* trans.h: Prototype for gfc_conv_missing_dummy.
	* trans-expr (gfc_conv_missing_dummy): New function
	(gfc_conv_function_call): Call it and tidy up some of the code.
	* trans-intrinsic (gfc_conv_intrinsic_function_args): The same.

	PR fortran/26976
	* array.c (gfc_array_dimen_size): If available, return shape[dimen].
	* resolve.c (resolve_function): If available, use the argument
	shape for the function expression.
	* iresolve.c (gfc_resolve_transfer): Set shape[0] = size.

2006-04-02  Erik Edelmann  <eedelman@gcc.gnu.org>

	* trans-array.c (gfc_trans_dealloc_allocated): Take a
	tree representation of the array to be deallocated as argument
	instead of its gfc_symbol.
	(gfc_trans_deferred_array): Update call to
	gfc_trans_dealloc_allocated.
	* trans-array.h (gfc_trans_dealloc_allocated): Update
	prototype.
	* trans-expr.c (gfc_conv_function_call): Update call to
	gfc_trans_dealloc_allocated, get indirect reference to dummy
	arguments.

2006-04-01  Roger Sayle  <roger@eyesopen.com>

	PR fortran/25270
	* trans-array.c (gfc_trans_allocate_array_storage): In array index
	calculations use gfc_index_zero_node and gfc_index_one_node instead
	of integer_zero_node and integer_one_node respectively.
	(gfc_conv_array_transpose): Likewise.
	(gfc_conv_ss_startstride): Likewise.
	(gfc_trans_dummy_array_bias): Likewise.

2006-04-01  Roger Sayle  <roger@eyesopen.com>

	* dependency.c (gfc_is_inside_range): Delete.
	(gfc_check_element_vs_section): Significant rewrite.

2006-04-01  Roger Sayle  <roger@eyesopen.com>

	* dependency.c (gfc_dep_compare_expr): Strip parentheses and unary
	plus operators when comparing expressions.  Handle comparisons of
	the form "X+C vs. X", "X vs. X+C", "X-C vs. X" and "X vs. X-C" where
	C is an integer constant.  Handle comparisons of the form "P+Q vs.
	R+S" and "P-Q vs. R-S".  Handle comparisons of integral extensions
	specially (increasing functions) so extend(A) > extend(B), when A>B.
	(gfc_check_element_vs_element): Move test later, so that we ignore
	the fact that "A < B" or "A > B" when A or B contains a forall index.

2006-03-31  Asher Langton  <langton2@llnl.gov>

	PR fortran/25358
	* expr.c (gfc_check_assign): Allow cray pointee to be assumes-size.
	
2006-03-30  Paul Thomas <paulthomas2@wanadoo.fr>
	    Bud Davis  <bdavis9659@sbcglobal.net>

	PR 21130
	* module.c (load_needed): Traverse entire tree before returning.

2006-03-30  Roger Sayle  <roger@eyesopen.com>

	PR middle-end/22375
	* trans.c (gfc_trans_runtime_check): Promote the arguments of
	__builtin_expect to the correct types, and the result back to
	boolean_type_node.

2006-03-29  Carlos O'Donell  <carlos@codesourcery.com>

	* Make-lang.in: Rename docdir to gcc_docdir.

2006-03-28  Steven G. Kargl  <kargls@comcast.net>

	* intrinsic.texi: s/floor/float in previous commit.

2006-03-28 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/26779
	* resolve.c (resolve_fl_procedure): Do not check the access of
	derived types for internal procedures.

2006-03-27  Jakub Jelinek  <jakub@redhat.com>

	* io.c (check_io_constraints): Don't look at
	dt->advance->value.charater.string, unless it is a CHARACTER
	constant.

	* f95-lang.c (gfc_get_alias_set): New function.
	(LANG_HOOKS_GET_ALIAS_SET): Define.

2006-03-25  Steven G. Kargl  <kargls@comcast.net>

	PR fortran/26816
	* intrinsic.c (add_functions): Allow FLOAT to accept all integer kinds.
	* intrinsic.texi: Document FLOAT.

2006-03-25  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/26769
	* iresolve.c (gfc_resolve_reshape):  Remove doubling of
	kind for complex. For real(kind=10), call reshape_r10.
	(gfc_resolve_transpose):  For real(kind=10), call
	transpose_r10.

2006-03-25  Roger Sayle  <roger@eyesopen.com>

	* dependency.c (gfc_check_dependency): Improve handling of pointers;
	Two variables of different types can't have a dependency, and two
	variables with the same symbol are equal, even if pointers.

2006-03-24  Roger Sayle  <roger@eyesopen.com>

	* gfortran.h (gfc_symbol): Add a new "forall_index" bit field.
	* match.c (match_forall_iterator): Set forall_index field on
	the iteration variable's symbol.
	* dependency.c (contains_forall_index_p): New function to
	traverse a gfc_expr to check whether it contains a variable
	with forall_index set in it's symbol.
	(gfc_check_element_vs_element): Return GFC_DEP_EQUAL for scalar
	constant expressions that don't variables used as FORALL indices.

2006-03-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

	PR driver/22600
	* error.c (gfc_fatal_error): Return ICE_EXIT_CODE instead of 4.

2006-03-22  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/19303
	* gfortran.h (gfc_option_t):  Add record_marker.
	* lang.opt:  Add -frecord-marker=4 and -frecord-marker=8.
	* trans-decl.c:  Add gfor_fndecl_set_record_marker.
	(gfc_build_builtin_function_decls): Set
	gfor_fndecl_set_record_marker.
	(gfc_generate_function_code):  If we are in the main program
	and -frecord-marker was provided, call set_record_marker.
	* options.c (gfc_handle_option):  Add handling for
	-frecord-marker=4 and -frecord-marker=8.
	* invoke.texi:  Document -frecord-marker.

2006-03-22  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/17298
	* trans-intrinsic.c (gfc_conv_intrinsic_array_transfer): New
	function to implement array valued TRANSFER intrinsic.
	(gfc_conv_intrinsic_function): Call the new function if TRANSFER
	and non-null se->ss.
	(gfc_walk_intrinsic_function): Treat TRANSFER as one of the
	special cases by calling gfc_walk_intrinsic_libfunc directly.

2006-03-21  Toon Moene  <toon@moene.indiv.nluug.nl>

	* options.c (gfc_init_options): Initialize
	flag_argument_noalias to 3.

2006-03-20  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/20935
	* iresolve.c (gfc_resolve_maxloc):   If mask is scalar,
	prefix the function name with an "s".  If the mask is scalar
	or if its kind is smaller than gfc_default_logical_kind,
	coerce it to default kind.
	(gfc_resolve_maxval):  Likewise.
	(gfc_resolve_minloc):  Likewise.
	(gfc_resolve_minval):  Likewise.
	(gfc_resolve_product):  Likewise.
	(gfc_resolve_sum):  Likewise.

2006-03-19  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/26741
	*expr.c (external_spec_function): Permit elemental functions.

	PR fortran/26716
	*interface.c (compare_actual_formal): Detect call for procedure
	usage and require rank checking, in this case, for assumed shape
	and deferred shape arrays.
	(gfc_procedure_use): Revert to pre-PR25070 call to
	compare_actual_formal that does not require rank checking..

2006-03-16  Roger Sayle  <roger@eyesopen.com>

	* gfortran.h (gfc_equiv_info): Add length field.
	* trans-common.c (copy_equiv_list_to_ns): Set the length field.
	* dependency.c (gfc_are_equivalenced_arrays): Use both the offset
	and length fields to determine whether the two equivalenced symbols
	overlap in memory.

2006-03-14  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/19101
	* gfortran.h: Add warn_ampersand.
	* invoke.texi: Add documentation for new option.
	* lang.opt: Add Wampersand.
	* options.c (gfc_init_options): Initialize warn_ampersand.
	(gfc_post_options): Set the warn if pedantic.
	(set_Wall): Set warn_ampersand.
	(gfc_handle_option: Add Wampersand for itself, -std=f95, and -std=f2003.
	* scanner.c (gfc_next_char_literal): Add test for missing '&' in
	continued character constant and give warning if missing.

2006-03-14  Steven G. Kargl  <kargls@comcast.net>

	PR 18537
	* gfortran.h: Wrap Copyright line.
	(gfc_option_t): add warn_tabs member.
	* lang.opt: Update Coyright year.  Add the Wtabs.
	* invoke.texi: Document -Wtabs.
	* scanner.c (gfc_gobble_whitespace): Use warn_tabs.  Add linenum to
	suppress multiple warnings.
	(load_line): Use warn_tabs.  Add linenum, current_line, seen_comment
	to suppress multiple warnings.
	* options.c (gfc_init_options): Initialize warn_tabs.
	(set_Wall): set warn_tabs for -Wall.
	(gfc_post_options): Adjust flag_tabs depending on -pedantic.
	(gfc_handle_option):  Process command-line option -W[no-]tabs

2006-03-13  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25378
	* trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc): Set the initial position to zero and
	modify the condition for updating it, to implement the F2003 requirement for all(mask)
	is false.

2006-03-13  Jakub Jelinek  <jakub@redhat.com>

	* trans-openmp.c (gfc_trans_omp_variable): Handle references
	to parent result.
	* trans-expr.c (gfc_conv_variable): Remove useless setting
	of parent_flag, formatting.

	* trans-decl.c (gfc_get_fake_result_decl): Re-add setting of
	GFC_DECL_RESULT flag.

2003-03-11  Roger Sayle  <roger@eyesopen.com>

	* dependency.c (gfc_dep_compare_expr) <EXPR_OP>: Allow unary and
	binary operators to compare equal if their operands are equal.
	<EXPR_FUNCTION>: Allow "constant" intrinsic conversion functions
	to compare equal, if their operands are equal.

2006-03-11  Erik Edelmann  <eedelman@gcc.gnu.org>

	* symbol.c (check_conflict): Allow allocatable function results,
	except for elemental functions.
	* trans-array.c (gfc_trans_allocate_temp_array): Rename to ...
	(gfc_trans_create_temp_array): ... this, and add new argument
	callee_alloc.
	(gfc_trans_array_constructor, gfc_conv_loop_setup): Update call
	to gfc_trans_allocate_temp_array.
	* trans-array.h (gfc_trans_allocate_temp_array): Update prototype.
	* trans-expr.c (gfc_conv_function_call): Use new arg of
	gfc_trans_create_temp_array avoid pre-allocation of temporary
	result variables of pointer AND allocatable functions.
	(gfc_trans_arrayfunc_assign): Return NULL for allocatable
	functions.
	* resolve.c (resolve_symbol): Copy value of 'allocatable' attribute
	from sym->result to sym.

2006-03-09  Erik Edelmann  <eedelman@gcc.gnu.org>

	* trans-expr.c (gfc_add_interface_mapping): Copy 'allocatable'
	attribute from sym to new_sym.  Call build_fold_indirect_ref()
	for allocatable arguments.

2006-03-09 Paul Thomas <pault@gcc.gnu.org>

	PR fortran/26257
	* trans-array.c (gfc_conv_expr_descriptor): Exclude calculation of
	the offset and data when se->data_not_needed is set.
	* trans.h: Include the data_not_need bit in gfc_se.
	* trans-intrinsic.c (gfc_conv_intrinsic_size): Set it for SIZE.

2006-03-06  Paul Thomas  <pault@gcc.gnu.org>
	    Erik Edelmann  <eedelman@gcc.gnu.org>

	* trans-array.c (gfc_trans_dealloc_allocated): New function.
	(gfc_trans_deferred_array): Use it, instead of inline code.
	* trans-array.h: Prototype for gfc_trans_dealloc_allocated().
	* trans-expr.c (gfc_conv_function_call): Deallocate allocated
	ALLOCATABLE, INTENT(OUT) arguments upon procedure entry.

2006-03-06  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/26107
	* resolve.c (resolve_function): Add name after test for pureness.

	PR fortran/19546
	* trans-expr.c (gfc_conv_variable): Detect reference to parent result,
	store current_function_decl, replace with parent, whilst calls are
	made to gfc_get_fake_result_decl, and restore afterwards. Signal this
	to gfc_get_fake_result_decl with a new argument, parent_flag.
	* trans-stmt.c (gfc_trans_return): gfc_get_fake_result_decl 2nd arg
	is set to zero.
	* trans.h: Add parent_flag to gfc_get_fake_result_decl prototype.
	* trans-decl.c (gfc_get_fake_result_decl): On parent_flag, being set,
	add decl to parent function. Replace refs to current_fake_result_decl
	with refs to this_result_decl.
	(gfc_generate_function_code): Null parent_fake_result_decl before the
	translation of code for contained procedures. Set parent_flag to zero
	in call to gfc_get_fake_result_decl.
	* trans-intrinsic.c (gfc_conv_intrinsic_len): The same.

2006-03-05  Steven G. Kargl  <kargls@comcast.net>

	* simplify.c (gfc_simplify_verify):  Fix return when SET=''.

2006-03-05  Erik Edelmann  <eedelman@gcc.gnu.org>

	PR fortran/16136
	* symbol.c (conf_std): New macro.
	(check_conflict): Use it to allow ALLOCATABLE dummy
	arguments for F2003.
	* trans-expr.c (gfc_conv_function_call): Pass the
	address of the array descriptor when dummy argument is
	ALLOCATABLE.
	* interface.c (compare_allocatable): New function.
	(compare_actual_formal): Use it.
	* resolve.c (resolve_deallocate_expr,
	resolve_allocate_expr): Check that INTENT(IN) variables
	aren't (de)allocated.
	* gfortran.texi (Fortran 2003 status): List ALLOCATABLE
	dummy arguments as supported.

2006-03-03  Roger Sayle  <roger@eyesopen.com>

	* dependency.c (gfc_check_element_vs_element): Revert last change.

2006-03-03  Roger Sayle  <roger@eyesopen.com>

	* dependency.c (gfc_check_element_vs_element): Consider two
	unordered scalar subscripts as (potentially) equal.

2006-03-03  Roger Sayle  <roger@eyesopen.com>

	* dependency.c (gfc_check_dependency): Call gfc_dep_resolver to
	check whether two array references have a dependency.
	(gfc_check_element_vs_element): Assume lref and rref must be
	REF_ARRAYs.  If gfc_dep_compare_expr returns -2, assume these
	references could potentially overlap.
	(gfc_dep_resolver): Whitespace and comment tweaks.  Assume a
	dependency if the references have different depths.  Rewrite
	final term to clarrify we only have a dependency for overlaps.

2006-03-03  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/25031
	* trans-array.h:  Adjust gfc_array_allocate prototype.
	* trans-array.c (gfc_array_allocate):  Change type of
	gfc_array_allocatate to bool.  Function returns true if
	it operates on an array.  Change second argument to gfc_expr.
	Find last reference in chain.
	If the function operates on an allocatable array, emit call to
	allocate_array() or allocate64_array().
	* trans-stmt.c (gfc_trans_allocate):  Code to follow to last
	reference has been moved to gfc_array_allocate.
	* trans.h:  Add declaration for gfor_fndecl_allocate_array and
	gfor_fndecl_allocate64_array.
	(gfc_build_builtin_function_decls):  Add gfor_fndecl_allocate_array
	and gfor_fndecl_allocate64_array.

2006-03-01  Roger Sayle  <roger@eyesopen.com>

	* trans-stmt.c (generate_loop_for_temp_to_lhs): Add an additional
	INVERT argument to invert the sense of the WHEREMASK argument.
	Remove unneeded code to AND together a list of masks.
	(generate_loop_for_rhs_to_temp): Likewise.
	(gfc_trans_assign_need_temp): Likewise.
	(gfc_trans_forall_1): Likewise.
	(gfc_evaluate_where_mask): Likewise, add a new INVERT argument
	to specify the sense of the MASK argument.
	(gfc_trans_where_assign): Likewise.
	(gfc_trans_where_2): Likewise.  Restructure code that decides
	whether we need to allocate zero, one or two temporary masks.
	If this is a top-level WHERE (i.e. the incoming MASK is NULL),
	we only need to allocate at most one temporary mask, and can
	invert it's sense to provide the complementary pending execution
	mask.  Only calculate the size of the required temporary arrays
	if we need any.
	(gfc_trans_where): Update call to gfc_trans_where_2.

2006-03-01  Paul Thomas  <pault@gcc.gnu.org>

	* iresolve.c (gfc_resolve_dot_product):  Remove any difference in
	treatment of logical types.
	* trans-intrinsic.c (gfc_conv_intrinsic_dot_product):  New function. 

	PR fortran/26393
	* trans-decl.c (gfc_get_symbol_decl): Extend condition that symbols
	must be referenced to include unreferenced symbols in an interface
	body. 

	PR fortran/20938
	* trans-array.c (gfc_conv_resolve_dependencies): Add call to
	gfc_are_equivalenced_arrays.
	* symbol.c (gfc_free_equiv_infos, gfc_free_equiv_lists): New
	functions. (gfc_free_namespace): Call them.
	* trans-common.c (copy_equiv_list_to_ns): New function.
	(add_equivalences): Call it.
	* gfortran.h: Add equiv_lists to gfc_namespace and define
	gfc_equiv_list and gfc_equiv_info.
	* dependency.c (gfc_are_equivalenced_arrays): New function.
	(gfc_check_dependency): Call it.
	* dependency.h: Prototype for gfc_are_equivalenced_arrays.

2006-03-01  Roger Sayle  <roger@eyesopen.com>

	* dependency.c (gfc_is_same_range): Compare the stride, lower and
	upper bounds when testing array reference ranges for equality.
	(gfc_check_dependency): Fix indentation whitespace.
	(gfc_check_element_vs_element): Likewise.
	(gfc_dep_resolver): Likewise.

2006-02-28  Thomas Koenig  <Thomas.Koenig@online.de>

	* trans-intrinsic.c (gfc_conv_intrinsic_minmaxloc):
	If the mask expression exists and has rank 0, enclose the
	generated loop in an "if (mask)".  Put the default
	initialization into the else branch.

2006-02-25  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/23092
	* trans-intrinsic.c (gfc_conv_intrinsic_arith):  If the
	mask expression exists and has rank 0, enclose the generated
	loop in an "if (mask)".
	* (gfc_conv_intrinsic_minmaxloc):  Likewise.

2006-02-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/26409
	* resolve.c (resolve_contained_functions, resolve_types,
	gfc_resolve): Revert patch of 2006-02-19.

2006-02-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/24519
	* dependency.c (gfc_is_same_range): Correct typo.
	(gfc_check_section_vs_section): Call gfc_is_same_range.

	PR fortran/25395
	* trans-common.c (add_equivalences): Add a new flag that is set when
	an equivalence is seen that prevents more from being reset until the
	start of a new traversal of the list, thus ensuring completion of
	all the equivalences.

2006-02-23  Erik Edelmann  <eedelman@gcc.gnu.org>

	* module.c (read_module): Remove redundant code lines.

2006-02-20 Rafael 聛羦ila de Esp聛韓dola <rafael.espindola@gmail.com>
	* Make-lang.in (FORTRAN): Remove
	(.PHONY): Remove F95 and f95. Add fortran

2006-02-20  Roger Sayle  <roger@eyesopen.com>

	* trans-stmt.c (gfc_trans_where_2): Avoid updating unused current
	execution mask for empty WHERE/ELSEWHERE clauses.  Don't allocate
	temporary mask arrays if they won't be used.

2006-02-20  Roger Sayle  <roger@eyesopen.com>

	* trans-stmt.c (gfc_trans_where_assign): Remove code to handle
	traversing a linked list of MASKs.  The MASK is now always a
	single element requiring no ANDing during the assignment.

2006-02-19  Thomas Koenig  <Thomas.Koenig@online.de>

	* gfortran.texi:  Document environment variables which
	influence runtime behavior.

2006-02-19  H.J. Lu  <hongjiu.lu@intel.com>

	* resolve.c (resolve_contained_functions): Call resolve_entries
	first.
	(resolve_types): Remove calls to resolve_entries and
	resolve_contained_functions.
	(gfc_resolve): Call resolve_contained_functions.

2006-02-19  Erik Edelmann  <eedelman@gcc.gnu.org>

	PR fortran/26201
	* intrinsic.c (gfc_convert_type_warn): Call
	gfc_intrinsic_symbol() on the newly created symbol.

2006-02-19  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25054
	* resolve.c (is_non_constant_shape_array): New function.
	(resolve_fl_variable): Remove code for the new function and call it.
	(resolve_fl_namelist): New function.  Add test for namelist array
	with non-constant shape, using is_non_constant_shape_array.
	(resolve_symbol): Remove code for resolve_fl_namelist and call it.

	PR fortran/25089
	* match.c (match_namelist): Increment the refs field of an accepted
	namelist object symbol.
	* resolve.c (resolve_fl_namelist): Test namelist objects for a conflict
	with contained or module procedures.

2006-02-18  Roger Sayle  <roger@eyesopen.com>

	* trans-stmt.c (struct temporary_list): Delete.
	(gfc_trans_where_2): Major reorganization.  Remove no longer needed
	TEMP argument.  Allocate and deallocate the control mask and
	pending control mask locally.
	(gfc_trans_forall_1): Delete TEMP local variable, and update
	call to gfc_trans_where_2.  No need to deallocate arrays after.
	(gfc_evaluate_where_mask): Major reorganization.  Change return
	type to void.  Pass in parent execution mask, MASK, and two
	already allocated mask arrays CMASK and PMASK.  On return
	CMASK := MASK & COND, PMASK := MASK & !COND.  MASK, CMASK and
	CMASK may all be NULL, or refer to the same temporary arrays.
	(gfc_trans_where): Update call to gfc_trans_where_2.  We no
	longer need a TEMP variable or to deallocate temporary arrays
	allocated by gfc_trans_where_2.

2006-02-18   Danny Smith  <dannysmith@users.sourceforeg.net>

	* gfortran.h (gfc_add_attribute): Change uint to unsigned int.
	* symbol.c (gfc_add_attribute): Likewise for definition.
	* resolve.c (resolve_global_procedure): Likewise for variable 'type'.

2006-02-17  Richard Sandiford  <richard@codesourcery.com>

	* trans-common.c: Include rtl.h earlier.
	* trans-decl.c: Likewise.

2006-02-16  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/26224
	* parse.c (parse_omp_do, parse_omp_structured_block): Call
	gfc_commit_symbols and gfc_warning_check.

	* openmp.c (resolve_omp_clauses): Add a dummy case label to workaround
	PR middle-end/26316.

2006-02-16  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/24557
	* trans-expr.c (gfc_add_interface_mapping): Use the actual argument
	for character(*) arrays, rather than casting to the type and kind
	parameters of the formal argument.

2006-02-15  Toon Moene  <toon@moene.indiv.nluug.nl>

	PR fortran/26054
	* options.c: Do not warn for Fortran 2003 features by default.

2006-02-15  Tobias Schl聛黷er  <tobias.schlueter@physik.uni-muenchen.de>

	* check.c: Update copyright years.
	
	* check.c (gfc_check_minloc_maxloc, check_reduction): Don't call
	dim_range_check on not-present optional dim argument.

2006-02-15  Jakub Jelinek  <jakub@redhat.com>

	PR libgomp/25938
	PR libgomp/25984
	* Make-lang.in (install-finclude-dir): New goal.
	(fortran.install-common): Depend on install-finclude-dir.
	* lang-specs.h: If not -nostdinc, add -I finclude.

2006-02-14  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/25045
	* check.c (dim_check):  Perform all checks if dim is optional.
	(gfc_check_minloc_maxloc):  Use dim_check and dim_rank_check
	to check dim argument.
	(check_reduction):  Likewise.

2006-02-14  Tobias Schl聛黷er  <tobias.schlueter@physik.uni-muenchen.de>

	PR fortran/26277
	* io.c (match_ltag): Mark label as referenced.

2006-02-14  Jakub Jelinek  <jakub@redhat.com>
	    Richard Henderson  <rth@redhat.com>
	    Diego Novillo  <dnovillo@redhat.com>

	* invoke.texi: Document -fopenmp.
	* gfortran.texi (Extensions): Document OpenMP.

	Backport from gomp-20050608-branch
	* trans-openmp.c: Call build_omp_clause instead of
	make_node when creating OMP_CLAUSE_* trees.
	(gfc_trans_omp_reduction_list): Remove argument 'code'.
	Adjust all callers.

	* trans.h (build4_v): Define.
	* trans-openmp.c: Call build4_v to create OMP_PARALLEL nodes.
	Call build3_v to create OMP_SECTIONS nodes.

	PR fortran/25162
	* openmp.c (gfc_match_omp_variable_list): Call gfc_set_sym_referenced
	on all symbols added to the variable list.

	* openmp.c (gfc_match_omp_clauses): Fix check for non-INTRINSIC
	procedure symbol in REDUCTION.

	* trans-openmp.c (gfc_trans_omp_array_reduction): Use gfc_add
	for MINUS_EXPR OMP_CLAUSE_REDUCTION_CODE.

	* trans-openmp.c (gfc_trans_omp_do): Add PBLOCK argument.  If PBLOCK
	is non-NULL, evaluate INIT/COND/INCR and chunk size expressions in
	that statement block.
	(gfc_trans_omp_parallel_do): Pass non-NULL PBLOCK to gfc_trans_omp_do
	for non-ordered non-static combined loops.
	(gfc_trans_omp_directive): Pass NULL PBLOCK to gfc_trans_omp_do.

	* openmp.c: Include target.h and toplev.h.
	(gfc_match_omp_threadprivate): Emit diagnostic if target does
	not support TLS.
	* Make-lang.in (fortran/openmp.o): Add dependencies on
	target.h and toplev.h.

	* trans-decl.c (gfc_get_fake_result_decl): Set GFC_DECL_RESULT.
	* trans-openmp.c (gfc_omp_privatize_by_reference): Make
	DECL_ARTIFICIAL vars predetermined shared except GFC_DECL_RESULT.
	(gfc_omp_disregard_value_expr): Handle GFC_DECL_RESULT.
	(gfc_trans_omp_variable): New function.
	(gfc_trans_omp_variable_list, gfc_trans_omp_reduction_list): Use it.
	* trans.h (GFC_DECL_RESULT): Define.

	* trans-openmp.c (gfc_omp_firstprivatize_type_sizes): New function.
	* f95-lang.c (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
	* trans.h (gfc_omp_firstprivatize_type_sizes): New prototype.

	* trans-openmp.c (gfc_omp_privatize_by_reference): Return
	true if a pointer has GFC_DECL_SAVED_DESCRIPTOR set.
	(gfc_trans_omp_array_reduction, gfc_trans_omp_reduction_list): New
	functions.
	(gfc_trans_omp_clauses): Add WHERE argument.  Call
	gfc_trans_omp_reduction_list rather than gfc_trans_omp_variable_list
	for reductions.
	(gfc_trans_omp_do, gfc_trans_omp_parallel, gfc_trans_omp_parallel_do,
	gfc_trans_omp_parallel_sections, gfc_trans_omp_parallel_workshare,
	gfc_trans_omp_sections, gfc_trans_omp_single): Adjust
	gfc_trans_omp_clauses callers.

	* openmp.c (omp_current_do_code): New var.
	(gfc_resolve_omp_do_blocks): New function.
	(gfc_resolve_omp_parallel_blocks): Call it.
	(gfc_resolve_do_iterator): Add CODE argument.  Don't propagate
	predetermination if argument is !$omp do or !$omp parallel do
	iteration variable.
	* resolve.c (resolve_code): Call gfc_resolve_omp_do_blocks
	for EXEC_OMP_DO.  Adjust gfc_resolve_do_iterator caller.
	* fortran.h (gfc_resolve_omp_do_blocks): New prototype.
	(gfc_resolve_do_iterator): Add CODE argument.

	* trans.h (gfc_omp_predetermined_sharing,
	gfc_omp_disregard_value_expr, gfc_omp_private_debug_clause): New
	prototypes.
	(GFC_DECL_COMMON_OR_EQUIV, GFC_DECL_CRAY_POINTEE): Define.
	* trans-openmp.c (gfc_omp_predetermined_sharing,
	gfc_omp_disregard_value_expr, gfc_omp_private_debug_clause): New
	functions.
	* trans-common.c (build_equiv_decl, build_common_decl,
	create_common): Set GFC_DECL_COMMON_OR_EQUIV flag on the decls.
	* trans-decl.c (gfc_finish_cray_pointee): Set GFC_DECL_CRAY_POINTEE
	on the decl.
	* f95-lang.c (LANG_HOOKS_OMP_PREDETERMINED_SHARING,
	LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
	LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE): Define.

	* openmp.c (resolve_omp_clauses): Remove extraneous comma.

	* symbol.c (check_conflict): Add conflict between cray_pointee and
	threadprivate.
	* openmp.c (gfc_match_omp_threadprivate): Fail if
	gfc_add_threadprivate returned FAILURE.
	(resolve_omp_clauses): Diagnose Cray pointees in SHARED,
	{,FIRST,LAST}PRIVATE and REDUCTION clauses and Cray pointers in
	{FIRST,LAST}PRIVATE and REDUCTION clauses.

	* resolve.c (omp_workshare_flag): New variable.
	(resolve_function): Diagnose use of non-ELEMENTAL user defined
	function in WORKSHARE construct.
	(resolve_code): Cleanup forall_save use.  Make sure omp_workshare_flag
	is set to correct value in different contexts.

	* openmp.c (resolve_omp_clauses): Replace %s with '%s' when printing
	variable name.
	(resolve_omp_atomic): Likewise.

	PR fortran/24493
	* scanner.c (skip_free_comments): Set at_bol at the beginning of the
	loop, not before it.
	(skip_fixed_comments): Handle ! comments in the middle of line here
	as well.
	(gfc_skip_comments): Use skip_fixed_comments for FIXED_FORM even if
	not at BOL.
	(gfc_next_char_literal): Fix expected canonicalized *$omp string.

	* trans-openmp.c (gfc_trans_omp_do): Use make_node and explicit
	initialization to build OMP_FOR instead of build.

	* trans-decl.c (gfc_gimplify_function): Invoke
	diagnose_omp_structured_block_errors.

	* trans-openmp.c (gfc_trans_omp_master): Use OMP_MASTER.
	(gfc_trans_omp_ordered): Use OMP_ORDERED.

	* gfortran.h (gfc_resolve_do_iterator, gfc_resolve_blocks,
	gfc_resolve_omp_parallel_blocks): New prototypes.
	* resolve.c (resolve_blocks): Renamed to...
	(gfc_resolve_blocks): ... this.  Remove static.
	(gfc_resolve_forall): Adjust caller.
	(resolve_code): Only call gfc_resolve_blocks if code->block != 0
	and not for EXEC_OMP_PARALLEL* directives.  Call
	gfc_resolve_omp_parallel_blocks for EXEC_OMP_PARALLEL* directives.
	Call gfc_resolve_do_iterator if resolved successfully EXEC_DO
	iterator.
	* openmp.c: Include pointer-set.h.
	(omp_current_ctx): New variable.
	(gfc_resolve_omp_parallel_blocks, gfc_resolve_do_iterator): New
	functions.
	* Make-lang.in (fortran/openmp.o): Depend on pointer-set.h.

	* openmp.c (gfc_match_omp_clauses): For max/min/iand/ior/ieor,
	look up symbol if it exists, use its name instead and, if it is not
	INTRINSIC, issue diagnostics.

	* parse.c (parse_omp_do): Handle implied end do properly.
	(parse_executable): If parse_omp_do returned ST_IMPLIED_ENDDO,
	return it instead of continuing.

	* trans-openmp.c (gfc_trans_omp_critical): Update for changed
	operand numbering.
	(gfc_trans_omp_do, gfc_trans_omp_parallel, gfc_trans_omp_parallel_do,
	gfc_trans_omp_parallel_sections, gfc_trans_omp_parallel_workshare,
	gfc_trans_omp_sections, gfc_trans_omp_single): Likewise.

	* trans.h (gfc_omp_privatize_by_reference): New prototype.
	* f95-lang.c (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE): Redefine
	to gfc_omp_privatize_by_reference.
	* trans-openmp.c (gfc_omp_privatize_by_reference): New function.

	* trans-stmt.h (gfc_trans_omp_directive): Add comment.

	* openmp.c (gfc_match_omp_variable_list): Add ALLOW_COMMON argument.
	Disallow COMMON matching if it is set.
	(gfc_match_omp_clauses, gfc_match_omp_flush): Adjust all callers.
	(resolve_omp_clauses): Show locus in error messages.  Check that
	variable types in reduction clauses are appropriate for reduction
	operators.

	* resolve.c (resolve_symbol): Don't error if a threadprivate module
	variable isn't SAVEd.

	* trans-openmp.c (gfc_trans_omp_do): Put count into BLOCK, not BODY.
	Fix typo in condition.  Fix DOVAR initialization.

	* openmp.c (gfc_match_omp_clauses): Match min/iand/ior/ieor
	rather than .min. etc.

	* trans-openmpc.c (omp_not_yet): Remove.
	(gfc_trans_omp_parallel_do): Keep listprivate clause on parallel.
	Force creation of BIND_EXPR around the workshare construct.
	(gfc_trans_omp_parallel_sections): Likewise.
	(gfc_trans_omp_parallel_workshare): Likewise.

	* types.def (BT_I16, BT_FN_I16_VPTR_I16,
	BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.

	* trans-openmp.c (gfc_trans_omp_clauses): Create OMP_CLAUSE_DEFAULT.
	(gfc_trans_omp_code): New function.
	(gfc_trans_omp_do): Use it, remove omp_not_yet uses.
	(gfc_trans_omp_parallel, gfc_trans_omp_single): Likewise.
	(gfc_trans_omp_sections): Likewise.  Only treat empty last section
	specially if lastprivate clause is present.
	* f95-lang.c (gfc_init_builtin_functions): Create BUILT_IN_TRAP
	builtin.

	* trans-openmp.c (gfc_trans_omp_variable_list): Update for
	OMP_CLAUSE_DECL name change.
	(gfc_trans_omp_do): Likewise.

	* trans-openmp.c (gfc_trans_omp_clauses): Create OMP_CLAUSE_REDUCTION
	clauses.
	(gfc_trans_omp_atomic): Build OMP_ATOMIC instead of expanding
	sync builtins directly.
	(gfc_trans_omp_single): Build OMP_SINGLE statement.

	* trans-openmp.c (gfc_trans_add_clause): New.
	(gfc_trans_omp_variable_list): Take a tree code and build the clause
	node here.  Link it to the head of a list.
	(gfc_trans_omp_clauses): Update to match.
	(gfc_trans_omp_do): Use gfc_trans_add_clause.

	* trans-openmp.c (gfc_trans_omp_clauses): Change second argument to
	gfc_omp_clauses *.  Use gfc_evaluate_now instead of creating
	temporaries by hand.
	(gfc_trans_omp_atomic, gfc_trans_omp_critical): Use buildN_v macros.
	(gfc_trans_omp_do): New function.
	(gfc_trans_omp_master): Dont' check for gfc_trans_code returning NULL.
	(gfc_trans_omp_parallel): Adjust gfc_trans_omp_clauses caller.
	Use buildN_v macros.
	(gfc_trans_omp_parallel_do, gfc_trans_omp_parallel_sections,
	gfc_trans_omp_parallel_workshare, gfc_trans_omp_sections,
	gfc_trans_omp_single, gfc_trans_omp_workshare): New functions.
	(gfc_trans_omp_directive): Use them.
	* parse.c (parse_omp_do): Allow new_st.op == EXEC_NOP.
	* openmp.c (resolve_omp_clauses): Check for list items present
	in multiple clauses.
	(resolve_omp_do): Check that iteration variable is not THREADPRIVATE
	and is not present in any clause variable lists other than PRIVATE
	or LASTPRIVATE.

	* gfortran.h (symbol_attribute): Add threadprivate bit.
	(gfc_common_head): Add threadprivate member, change use_assoc
	and saved into char to save space.
	(gfc_add_threadprivate): New prototype.
	* symbol.c (check_conflict): Handle threadprivate.
	(gfc_add_threadprivate): New function.
	(gfc_copy_attr): Copy threadprivate.
	* trans-openmp.c (gfc_trans_omp_clauses): Avoid creating a temporary
	if IF or NUM_THREADS is constant.  Create OMP_CLAUSE_SCHEDULE and
	OMP_CLAUSE_ORDERED.
	* resolve.c (resolve_symbol): Complain if a THREADPRIVATE symbol
	outside a module and not in COMMON has is not SAVEd.
	(resolve_equivalence): Ensure THREADPRIVATE objects don't get
	EQUIVALENCEd.
	* trans-common.c: Include target.h and rtl.h.
	(build_common_decl): Set DECL_TLS_MODEL if THREADPRIVATE.
	* trans-decl.c: Include rtl.h.
	(gfc_finish_var_decl): Set DECL_TLS_MODEL if THREADPRIVATE.
	* dump-parse-tree.c (gfc_show_attr): Handle THREADPRIVATE.
	* Make-lang.in (fortran/trans-decl.o): Depend on $(RTL_H).
	(fortran/trans-common.o): Depend on $(RTL_H) and $(TARGET_H).
	* openmp.c (gfc_match_omp_variable_list): Ensure COMMON block
	is from current namespace.
	(gfc_match_omp_threadprivate): Rewrite.
	(resolve_omp_clauses): Check some clause restrictions.
	* module.c (ab_attribute): Add AB_THREADPRIVATE.
	(attr_bits): Add THREADPRIVATE.
	(mio_symbol_attribute, mio_symbol_attribute): Handle threadprivate.
	(load_commons, write_common, write_blank_common): Adjust for type
	change of saved, store/load threadprivate bit from the integer
	as well.

	* types.def (BT_FN_UINT_UINT): New.
	(BT_FN_VOID_UINT_UINT): Remove.

	* trans-openmp.c (gfc_trans_omp_clauses, gfc_trans_omp_barrier,
	gfc_trans_omp_critical, gfc_trans_omp_flush, gfc_trans_omp_master,
	gfc_trans_omp_ordered, gfc_trans_omp_parallel): New functions.
	(gfc_trans_omp_directive): Use them.

	* openmp.c (expr_references_sym): Add SE argument, don't look
	into SE tree.
	(is_conversion): New function.
	(resolve_omp_atomic): Adjust expr_references_sym callers.  Handle
	promoted expressions.
	* trans-openmp.c (gfc_trans_omp_atomic): New function.
	(gfc_trans_omp_directive): Call it.

	* f95-lang.c (builtin_type_for_size): New function.
	(gfc_init_builtin_functions): Initialize synchronization and
	OpenMP builtins.
	* types.def: New file.
	* Make-lang.in (f95-lang.o): Depend on $(BUILTINS_DEF) and
	fortran/types.def.

	* trans-openmp.c: Rename GOMP_* tree codes into OMP_*.

	* dump-parse-tree.c (show_symtree): Don't crash if ns->proc_name
	is NULL.

	* dump-parse-tree.c (gfc_show_namelist, gfc_show_omp_node): New
	functions.
	(gfc_show_code_node): Call gfc_show_omp_node for EXEC_OMP_* nodes.

	* parse.c (parse_omp_do): Call pop_state before next_statement.
	* openmp.c (expr_references_sym, resolve_omp_atomic, resolve_omp_do):
	New functions.
	(gfc_resolve_omp_directive): Call them.
	* match.c (match_exit_cycle): Issue error if EXIT or CYCLE statement
	leaves an OpenMP structured block or if EXIT terminates !$omp do
	loop.

	* Make-lang.in (F95_PARSER_OBJS): Add fortran/openmp.o.
	(F95_OBJS): Add fortran/trans-openmp.o.
	(fortran/trans-openmp.o): Depend on $(GFORTRAN_TRANS_DEPS).
	* lang.opt: Add -fopenmp option.
	* options.c (gfc_init_options): Initialize it.
	(gfc_handle_option): Handle it.
	* gfortran.h (ST_OMP_ATOMIC, ST_OMP_BARRIER, ST_OMP_CRITICAL,
	ST_OMP_END_CRITICAL, ST_OMP_END_DO, ST_OMP_END_MASTER,
	ST_OMP_END_ORDERED, ST_OMP_END_PARALLEL, ST_OMP_END_PARALLEL_DO,
	ST_OMP_END_PARALLEL_SECTIONS, ST_OMP_END_PARALLEL_WORKSHARE,
	ST_OMP_END_SECTIONS, ST_OMP_END_SINGLE, ST_OMP_END_WORKSHARE,
	ST_OMP_DO, ST_OMP_FLUSH, ST_OMP_MASTER, ST_OMP_ORDERED,
	ST_OMP_PARALLEL, ST_OMP_PARALLEL_DO, ST_OMP_PARALLEL_SECTIONS,
	ST_OMP_PARALLEL_WORKSHARE, ST_OMP_SECTIONS, ST_OMP_SECTION,
	ST_OMP_SINGLE, ST_OMP_THREADPRIVATE, ST_OMP_WORKSHARE): New
	statement codes.
	(OMP_LIST_PRIVATE, OMP_LIST_FIRSTPRIVATE, OMP_LIST_LASTPRIVATE,
	OMP_LIST_COPYPRIVATE, OMP_LIST_SHARED, OMP_LIST_COPYIN,
	OMP_LIST_PLUS, OMP_LIST_REDUCTION_FIRST, OMP_LIST_MULT,
	OMP_LIST_SUB, OMP_LIST_AND, OMP_LIST_OR, OMP_LIST_EQV,
	OMP_LIST_NEQV, OMP_LIST_MAX, OMP_LIST_MIN, OMP_LIST_IAND,
	OMP_LIST_IOR, OMP_LIST_IEOR, OMP_LIST_REDUCTION_LAST, OMP_LIST_NUM):
	New OpenMP variable list types.
	(gfc_omp_clauses): New typedef.
	(gfc_get_omp_clauses): Define.
	(EXEC_OMP_CRITICAL, EXEC_OMP_DO, EXEC_OMP_FLUSH, EXEC_OMP_MASTER,
	EXEC_OMP_ORDERED, EXEC_OMP_PARALLEL, EXEC_OMP_PARALLEL_DO,
	EXEC_OMP_PARALLEL_SECTIONS, EXEC_OMP_PARALLEL_WORKSHARE,
	EXEC_OMP_SECTIONS, EXEC_OMP_SINGLE, EXEC_OMP_WORKSHARE,
	EXEC_OMP_ATOMIC, EXEC_OMP_BARRIER, EXEC_OMP_END_NOWAIT,
	EXEC_OMP_END_SINGLE): New OpenMP gfc_exec_op codes.
	(struct gfc_code): Add omp_clauses, omp_name, omp_namelist
	and omp_bool fields to ext union.
	(flag_openmp): Declare.
	(gfc_free_omp_clauses, gfc_resolve_omp_directive): New prototypes.
	* scanner.c (openmp_flag, openmp_locus): New variables.
	(skip_free_comments, skip_fixed_comments, gfc_next_char_literal):
	Handle OpenMP directive lines and conditional compilation magic
	comments.
	* parse.h (COMP_OMP_STRUCTURED_BLOCK): New compile state.
	* parse.c (decode_omp_directive, parse_omp_do, parse_omp_atomic,
	parse_omp_structured_block): New functions.
	(next_free, next_fixed): Parse OpenMP directives.
	(case_executable, case_exec_markers, case_decl): Add ST_OMP_*
	codes.
	(gfc_ascii_statement): Handle ST_OMP_* codes.
	(parse_executable): Rearrange the loop slightly, so that
	parse_omp_do can return next_statement.
	* match.h (gfc_match_omp_eos, gfc_match_omp_atomic,
	gfc_match_omp_barrier, gfc_match_omp_critical, gfc_match_omp_do,
	gfc_match_omp_flush, gfc_match_omp_master, gfc_match_omp_ordered,
	gfc_match_omp_parallel, gfc_match_omp_parallel_do,
	gfc_match_omp_parallel_sections, gfc_match_omp_parallel_workshare,
	gfc_match_omp_sections, gfc_match_omp_single,
	gfc_match_omp_threadprivate, gfc_match_omp_workshare,
	gfc_match_omp_end_nowait, gfc_match_omp_end_single): New prototypes.
	* resolve.c (resolve_blocks): Ignore EXEC_OMP_* block directives.
	(resolve_code): Call gfc_resolve_omp_directive on EXEC_OMP_*
	directives.
	* trans.c (gfc_trans_code): Call gfc_trans_omp_directive for
	EXEC_OMP_* directives.
	* st.c (gfc_free_statement): Handle EXEC_OMP_* statement freeing.
	* trans-stmt.h (gfc_trans_omp_directive): New prototype.
	* openmp.c: New file.
	* trans-openmp.c: New file.

2006-02-13  Andrew Pinski  <pinskia@physics.uc.edu>
	    Jakub Jelinek  <jakub@redhat.com>

	PR fortran/26246
	* trans-decl.c (gfc_get_symbol_decl, gfc_get_fake_result_decl): Use
	gfc_add_decl_to_function rather than gfc_finish_var_decl on length.

2006-02-13  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/26074
	PR fortran/25103
	* resolve.c (resolve_symbol): Extend the requirement that module
	arrays have constant bounds to those in the main program.  At the
	same time simplify the array bounds, to avoiding trapping parameter
	array references, and exclude automatic character length from main
	and modules. Rearrange resolve_symbol and resolve_derived to put as
	each flavor together, as much as is possible and move all specific
	code for flavors FL_VARIABLE, FL_PROCEDURE and FL_PARAMETER into new
	functions.
	(resolve_fl_var_and_proc, resolve_fl_variable, resolve_fl_procedure):
	New functions to do work of resolve_symbol.
	(resolve_index_expr): New function that is called from resolved_symbol
	and is extracted from resolve_charlen.
	(resolve_charlen): Call this new function.
	(resolve_fl_derived): Renamed resolve_derived to be consistent with
	the naming of the new functions for the other flavours.  Change the
	charlen checking so that the style is consistent with other similar
	checks. Add the generation of the gfc_dt_list, removed from resolve_
	symbol.

	PR fortran/20861
	* resolve.c (resolve_actual_arglist): Prevent internal procedures
	from being dummy arguments.

	PR fortran/20871
	* resolve.c (resolve_actual_arglist): Prevent pure but non-intrinsic
	procedures from being dummy arguments.

	PR fortran/25083
	* resolve.c (check_data_variable): Add test that data variable is in
	COMMON.

	PR fortran/25088
	* resolve.c (resolve_call): Add test that the subroutine does not
	have a type.

2006-02-12  Erik Edelmann  <eedelman@gcc.gnu.org>

	PR fortran/25806
	* trans-array.c (gfc_trans_allocate_array_storage): New argument
	dealloc; free the temporary only if dealloc is true.
	(gfc_trans_allocate_temp_array): New argument bool dealloc, to be
	passed onwards to gfc_trans_allocate_array_storage.
	(gfc_trans_array_constructor, gfc_conv_loop_setup): Update call to
	gfc_trans_allocate_temp_array.
	* trans-array.h (gfc_trans_allocate_temp_array): Update function
	prototype.
	* trans-expr.c (gfc_conv_function_call): Set new argument 'dealloc'
	to gfc_trans_allocate_temp_array to false in case of functions
	returning pointers.
	(gfc_trans_arrayfunc_assign): Return NULL for functions returning
	pointers.

2006-02-10  Steven G. Kargl  <kargls@comcast.net>

	PR fortran/20858
	*decl.c (variable_decl): Improve error message.  Remove initialization
	typespec.  Wrap long line.
	*expr.c (gfc_check_pointer_assign): Permit checking of type, kind type,
	and rank.
	*simplify.c (gfc_simplify_null): Ensure type, kind type, and rank
	are set.


2006-02-10  Tobias Schl聛黷er  <tobias.schlueter@physik.uni-muenchen.de>

	PR fortran/14771
	* arith.c (eval_intrinsic): Accept INTRINSIC_PARENTHESES.
	* expr.c (check_intrinsic_op): Likewise.
	* module.c (mio_expr): Likewise.

2006-02-09  Tobias Schl聛黷er  <tobias.schlueter@physik.uni-muenchen.de>

	* dump-parse-tree.c: Update copyright years.
	* matchexp.c: Likewise.
	* module.c: Likewise.

	PR fortran/14771
	* gfortran.h (gfc_intrinsic_op): Add INTRINSIC_PARENTHESES.
	* dump-parse-tree (gfc_show_expr): Handle INTRINSIC_PARENTHESES.
	* expr.c (simplify_intrinsic_op): Treat INTRINSIC_PARENTHESES as
	if it were INTRINSIC_UPLUS.
	* resolve.c (resolve_operator): Handle INTRINSIC_PARENTHESES.
	* match.c (intrinsic_operators): Add INTRINSIC_PARENTHESES.
	* matchexp.c (match_primary): Record parentheses surrounding
	numeric expressions.
	* module.c (intrinsics): Add INTRINSIC_PARENTHESES for module
	dumping.
	* trans-expr.c (gfc_conv_expr_op): Handle INTRINSIC_PARENTHESES.

2006-02-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/26038
	* trans-stmt.c (gfc_trans_allocate): Provide assumed character length
	scalar with missing backend_decl for the hidden dummy charlen.

	PR fortran/25059
	* interface.c (gfc_extend_assign): Remove detection of non-PURE
	subroutine in assignment interface, with gfc_error, and put it in
	* resolve.c (resolve_code).

	PR fortran/25070
	* interface.c (gfc_procedure_use): Flag rank checking for non-
	elemental, contained or interface procedures in call to
	(compare_actual_formal), where ranks are checked for assumed
	shape arrays..

2006-02-08  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR libfortran/25425
	* trans-decl.c (gfc_generate_function_code): Add new argument,
	pedantic, to set_std call.

2006-02-06  Thomas Koenig  <Thomas.Koenig@online.de>

	PR libfortran/23815
	* gfortran.texi: Document the GFORTRAN_CONVERT_UNIT environment
	variable.
	* invoke.texi:  Mention the "Runtime" chapter.
	Document the -fconvert= option.
	* gfortran.h:  Add options_convert.
	* lang.opt:  Add fconvert=little-endian, fconvert=big-endian,
	fconvert=native and fconvert=swap.
	* trans-decl.c (top level):  Add gfor_fndecl_set_convert.
	(gfc_build_builtin_function_decls):  Set gfor_fndecl_set_convert.
	(gfc_generate_function_code):  If -fconvert was specified,
	and this is the main program, add a call to set_convert().
	* options.c:  Handle the -fconvert options.

2006-02-06  Roger Sayle  <roger@eyesopen.com>

	* trans-stmt.c (gfc_evaluate_where_mask): Allow the NMASK argument
	to be NULL to indicate that the not mask isn't required.
	(gfc_trans_where_2): Remove PMASK argument.  Avoid calculating the
	pending mask for the last clause of a WHERE chain.  Update recursive
	call.
	(gfc_trans_forall_1): Update call to gfc_trans_where_2.
	(gfc_trans_where): Likewise.

2006-02-06  Jakub Jelinek  <jakub@redhat.com>

	Backport from gomp-20050608-branch
	* trans-decl.c (create_function_arglist): Handle dummy functions.

	* trans-decl.c (gfc_get_symbol_decl): Revert explicit setting of
	TYPE_SIZE_UNIT.
	(gfc_trans_vla_type_sizes): Also "gimplify"
	GFC_TYPE_ARRAY_DATAPTR_TYPE for GFC_DESCRIPTOR_TYPE_P types.
	* trans-array.c (gfc_trans_deferred_array): Call
	gfc_trans_vla_type_sizes.

	* trans-decl.c (saved_function_decls, saved_parent_function_decls):
	Remove unnecessary initialization.
	(create_function_arglist): Make sure __result has complete type.
	(gfc_get_fake_result_decl): Change current_fake_result_decl into
	a tree chain.  For entry master, create a separate variable
	for each result name.  For BT_CHARACTER results, call
	gfc_finish_var_decl on length even if it has been already created,
	but not pushdecl'ed.
	(gfc_trans_vla_type_sizes): For function/entry result, adjust
	result value type, not the FUNCTION_TYPE.
	(gfc_generate_function_code): Adjust for current_fake_result_decl
	changes.
	(gfc_trans_deferred_vars): Likewise.  Call gfc_trans_vla_type_sizes
	even on result if it is assumed-length character.

	* trans-decl.c (gfc_trans_dummy_character): Add SYM argument.
	Call gfc_trans_vla_type_sizes.
	(gfc_trans_auto_character_variable): Call gfc_trans_vla_type_sizes.
	(gfc_trans_vla_one_sizepos, gfc_trans_vla_type_sizes_1,
	gfc_trans_vla_type_sizes): New functions.
	(gfc_trans_deferred_vars): Adjust gfc_trans_dummy_character
	callers.  Call gfc_trans_vla_type_sizes on assumed-length
	character parameters.
	* trans-array.c (gfc_trans_array_bounds,
	gfc_trans_auto_array_allocation, gfc_trans_dummy_array_bias): Call
	gfc_trans_vla_type_sizes.
	* trans.h (gfc_trans_vla_type_sizes): New prototype.

	* trans-decl.c (gfc_build_qualified_array): For non-assumed-size
	arrays without constant size, create also an index var for
	GFC_TYPE_ARRAY_SIZE (type).  If the type is incomplete, complete
	it as 0..size-1.
	(gfc_create_string_length): Don't call gfc_defer_symbol_init
	if just creating DECL_ARGUMENTS.
	(gfc_get_symbol_decl): Call gfc_finish_var_decl and
	gfc_defer_symbol_init even if ts.cl->backend_decl is already
	set to a VAR_DECL that doesn't have DECL_CONTEXT yet.
	(create_function_arglist): Rework, so that hidden length
	arguments for CHARACTER parameters are created together with
	the parameters.  Resolve ts.cl->backend_decl for CHARACTER
	parameters.  If the argument is a non-constant length array
	or CHARACTER, ensure PARM_DECL has different type than
	its DECL_ARG_TYPE.
	(generate_local_decl): Call gfc_get_symbol_decl even
	for non-referenced non-constant length CHARACTER parameters
	after optionally issuing warnings.
	* trans-array.c (gfc_trans_array_bounds): Set last stride
	to GFC_TYPE_ARRAY_SIZE (type) to initialize it as well.
	(gfc_trans_dummy_array_bias): Initialize GFC_TYPE_ARRAY_SIZE (type)
	variable as well.

	* trans-expr.c (gfc_conv_expr_val): Fix comment typo.

	* trans-stmt.c (gfc_trans_simple_do): Fix comment.

2006-02-04  Roger Sayle  <roger@eyesopen.com>

	* dependency.c (gfc_check_dependency): Remove unused vars and nvars
	arguments.  Replace with an "identical" argument.  A full array
	reference to the same symbol is a dependency if identical is true.
	* dependency.h (gfc_check_dependency): Update prototype.
	* trans-array.h (gfc_check_dependency): Delete duplicate prototype.
	* trans-stmt.c: #include dependency.h for gfc_check_dependency.
	(gfc_trans_forall_1): Update calls to gfc_check_dependency.
	(gfc_trans_where_2): Likewise.  Remove unneeded variables.
	(gfc_trans_where_3): New function for simple non-dependent WHEREs.
	(gfc_trans_where): Call gfc_trans_where_3 to translate simple
	F90-style WHERE statements without internal dependencies.
	* Make-lang.in (trans-stmt.o): Depend upon dependency.h.

2006-02-05  H.J. Lu  <hongjiu.lu@intel.com>

	PR fortran/26041
	PR fortran/26064
	* resolve.c (resolve_types): New function.
	(resolve_codes): Likewise.
	(gfc_resolve): Use them.

2006-02-05  Roger Sayle  <roger@eyesopen.com>

	* trans-stmt.c (gfc_evaluate_where_mask): Use LOGICAL*1 for WHERE
	masks instead of LOGICAL*4.

2006-02-05  Jakub Jelinek  <jakub@redhat.com>

	* resolve.c (resolve_symbol): Initialize constructor_expr to NULL.

2006-02-04  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/25075
	check.c (identical_dimen_shape):  New function.
	(check_dot_product):  Use identical_dimen_shape() to check sizes
	for dot_product.
	(gfc_check_matmul):  Likewise.
	(gfc_check_merge):  Check conformance between tsource and fsource
	and between tsource and mask.
	(gfc_check_pack):  Check conformance between array and mask.

2006-02-03  Steven G. Kargl  <kargls@comcast>
	    Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/20845
	* resolve.c (resolve_symbol): Default initialization of derived type
	component reguires the SAVE attribute.

2006-02-02  Steven G. Kargl  <kargls@comcast>

	PR fortran/24958
	match.c (gfc_match_nullify):  Free the list from head not tail.

	PR fortran/25072
	* match.c (match_forall_header): Fix internal error caused by bogus
	gfc_epxr pointers.


2006-01-31  Thomas Koenig  <Thomas.Koenig@online.de>

	PR fortran/26039
	expr.c (gfc_check_conformance):  Reorder error message
	to avoid plural.
	check.c(gfc_check_minloc_maxloc):  Call gfc_check_conformance
	for checking arguments array and mask.
	(check_reduction):  Likewise.

2006-01-30  Erik Edelmann  <eedelman@gcc.gnu.org>

	PR fortran/24266
	* trans-io.c (set_internal_unit): Check the rank of the
	expression node itself instead of its symbol.

2006-01-29  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/18578
	PR fortran/18579
	PR fortran/20857
	PR fortran/20885
	* interface.c (compare_actual_formal): Error for INTENT(OUT or INOUT)
	if actual argument is not a variable.

2006-01-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/17911
	* expr.c (gfc_check_assign, gfc_check_pointer_assign): Emit error if
	the lvalue is a use associated procedure.

	PR fortran/20895
	PR fortran/25030
	* expr.c (gfc_check_pointer_assign): Emit error if lvalue and rvalue
	character lengths are not the same.  Use gfc_dep_compare_expr for the
	comparison.
	* gfortran.h: Add prototype for gfc_dep_compare_expr.
	* dependency.h: Remove prototype for gfc_dep_compare_expr.

2006-01-27  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25964
	* resolve.c (resolve_function): Add GFC_ISYM_LOC to the list of
	generic_ids exempted from assumed size checking.

2006-01-27  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/25324
	* Make-lang.in (fortran/scanner.o): Depend on toplev.h.
	* lang.opt (fpreprocessed): New option.
	* scanner.c: Include toplev.h.
	(gfc_src_file, gfc_src_preprocessor_lines): New variables.
	(preprocessor_line): Unescape filename if there were any
	backslashes.
	(load_file): If initial and gfc_src_file is not NULL,
	use it rather than opening the file.  If gfc_src_preprocessor_lines
	has non-NULL elements, pass it to preprocessor_line.
	(unescape_filename, gfc_read_orig_filename): New functions.
	* gfortran.h (gfc_option_t): Add flag_preprocessed.
	(gfc_read_orig_filename): New prototype.
	* options.c (gfc_init_options): Clear flag_preprocessed.
	(gfc_post_options): If flag_preprocessed, call
	gfc_read_orig_filename.
	(gfc_handle_option): Handle OPT_fpreprocessed.
	* lang-specs.h: Pass -fpreprocessed to f951 if preprocessing
	sources.

2006-01-27  Erik Edelmann  <eedelman@gcc.gnu.org>

	* symbol.c (free_old_symbol): Fix confusing comment, and add code
	  to free old_symbol->formal.

2006-01-26  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25964
	* resolve.c (resolve_function): Exclude statement functions from
	global reference checking.

	PR fortran/25084
	PR fortran/20852
	PR fortran/25085
	PR fortran/25086
	* resolve.c (resolve_function): Declare a gfc_symbol to replace the
	references through the symtree to the symbol associated with the
	function expresion. Give error on reference to an assumed character
	length function is defined in an interface or an external function
	that is not a dummy argument.
	(resolve_symbol): Give error if an assumed character length function
	is array-valued, pointer-valued, pure or recursive. Emit warning
	that character(*) value functions are obsolescent in F95.

	PR fortran/25416
	* trans-expr.c (gfc_conv_function_call): The above patch to resolve.c
	prevents any assumed character length function call from getting here
	except intrinsics such as SPREAD. In this case, ensure that no
	segfault occurs from referencing non-existent charlen->length->
	expr_type and provide a backend_decl for the charlen from the charlen
	of the first actual argument.

	Cure temp name confusion.
	* trans-expr.c (gfc_get_interface_mapping_array): Change name of
	temporary from "parm" to "ifm" to avoid clash with temp coming from
	trans-array.c.

2006-01-25  Erik Edelmann  <eedelman@gcc.gnu.org>

	PR fortran/25716
	* symbol.c (free_old_symbol): New function.
	(gfc_commit_symbols): Use it.
	(gfc_commit_symbol): New function.
	(gfc_use_derived): Use it.
	* gfortran.h: Add prototype for gfc_commit_symbol.
	* intrinsic.c (gfc_find_function): Search in 'conversion'
	if not found in 'functions'.
	(gfc_convert_type_warn): Add a symtree to the new
	expression node, and commit the new symtree->n.sym.
	* resolve.c (gfc_resolve_index): Make sure typespec is
	properly initialized.

2006-01-23  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25901
	* decl.c (get_proc_name): Replace subroutine and function attributes
	in "already defined" test by the formal arglist pointer being non-NULL.

	Fix regression in testing of admissability of attributes.
	* symbol.c (gfc_add_attribute): If the current_attr has non-zero
	intent, do not do the check for a dummy being used.
	* decl.c (attr_decl1): Add current_attr.intent as the third argument
	in the call to gfc_add_attribute.
	* gfortran.h: Add the third argument to the prototype for
	gfc_add_attribute.

2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>

	* gfortranspec.c (lang_specific_driver): Update copyright notice
	date.

2006-01-21  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25124
	PR fortran/25625
	* decl.c (get_proc_name): If there is an existing
	symbol in the encompassing namespace, call errors
	if it is a procedure of the same name or the kind
	field is set, indicating a type declaration.

	PR fortran/20881
	PR fortran/23308
	PR fortran/25538
	PR fortran/25710
	* decl.c (add_global_entry): New function to check
	for existing global symbol with this name and to
	create new one if none exists.
	(gfc_match_entry): Call add_global_entry before
	matching argument lists for subroutine and function
	entries.
	* gfortran.h: Prototype for existing function,
	global_used.
	* resolve.c (resolve_global_procedure): New function
	to check global symbols for procedures.
	(resolve_call, resolve_function): Calls to this
	new function for non-contained and non-module
	procedures.
	* match.c (match_common): Add check for existing
	global symbol, creat one if none exists and emit
	error if there is a clash.
	* parse.c (global_used): Remove static and use the
	gsymbol name rather than the new_block name, so that
	the function can be called from resolve.c.
	(parse_block_data, parse_module, add_global_procedure):
	Improve checks for existing gsymbols.  Emit error if
	already defined or if references were to another type.
	Set defined flag.

	PR fortran/PR24276
	* trans-expr.c (gfc_conv_aliased_arg): New function called by 
	gfc_conv_function_call that coverts an expression for an aliased
	component reference to a derived type array into a temporary array
	of the same type as the component.  The temporary is passed as an
	actual argument for the procedure call and is copied back to the
	derived type after the call.
	(is_aliased_array): New function that detects an array reference
	that is followed by a component reference.
	(gfc_conv_function_call): Detect an aliased actual argument with
	is_aliased_array and convert it to a temporary and back again
	using gfc_conv_aliased_arg.

2006-01-19  Tobias Schl聛黷er  <tobias.schlueter@physik.uni-muenchen.de>

	* gfortranspec.c: Update copyright years.
	* trans.c: Likewise.
	* trans-array.c: Likewise.
	* trans-array.h: Likewise.
	* trans-decl.c: Likewise.
	* trans-stmt.c: Likewise.
	* trans-stmt.h: Likewise.
	* trans-types.c: Likewise.

2006-01-18  Tobias Schl聛黷er  <tobias.schlueter@physik.uni-muenchen.de>

	PR fortran/18540
	PR fortran/18937
	* gfortran.h (BBT_HEADER): Move definition up.
	(gfc_st_label): Add BBT_HEADER, remove 'prev' and 'next'.
	* io.c (format_asterisk): Adapt initializer.
	* resolve.c (resolve_branch): Allow FORTRAN 66 cross-block GOTOs
	as extension.
	(warn_unused_label): Take gfc_st_label label as argument, adapt to
	new data structure.
	(gfc_resolve): Adapt call to warn_unused_label.
	* symbol.c (compare_st_labels): New function.
	(gfc_free_st_label, free_st_labels, gfc_get_st_label): Convert to
	using balanced binary tree.
	* decl.c (match_char_length, gfc_match_old_kind_spec): Do away
	with 'cnt'.
	(warn_unused_label): Adapt to binary tree.
	* match.c (gfc_match_small_literal_int): Only set cnt if non-NULL.
	* primary.c (match_kind_param): Do away with cnt.

2006-01-18  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/20869
	PR fortran/20875
	PR fortran/25024
	* symbol.c (check_conflict): Add pointer valued elemental
	functions and internal procedures with the external attribute
	to the list of conflicts.
	(gfc_add_attribute): New catch-all function to perform the
	checking of symbol attributes for attribute declaration
	statements.
	* decl.c (attr_decl1): Call gfc_add_attribute for each of -
	(gfc_match_external, gfc_match_intent, gfc_match_intrinsic,
	gfc_match_pointer, gfc_match_dimension, gfc_match_target):
	Remove spurious calls to checks in symbol.c.  Set the
	attribute directly and use the call to attr_decl() for
	checking.
	* gfortran.h:  Add prototype for gfc_add_attribute.

	PR fortran/25785
	* resolve.c (resolve_function): Exclude PRESENT from assumed size
	argument checking. Replace strcmp's with comparisons with generic
	codes.

2006-01-16  Rafael 聛羦ila de Esp聛韓dola  <rafael.espindola@gmail.com>

	* gfortranspec.c (lang_specific_spec_functions): Remove.

2006-01-16  Richard Guenther  <rguenther@suse.de>

	* trans-stmt.c (gfc_trans_if_1): Use fold_buildN and build_int_cst.
	(gfc_trans_arithmetic_if): Likewise.
	(gfc_trans_simple_do): Likewise.
	(gfc_trans_do): Likewise.
	(gfc_trans_do_while): Likewise.
	(gfc_trans_logical_select): Likewise.
	(gfc_trans_forall_loop): Likewise.
	(generate_loop_for_temp_to_lhs): Likewise.
	(generate_loop_for_rhs_to_temp): Likewise.
	(gfc_trans_allocate): Likewise.
	* trans.c (gfc_add_expr_to_block): Do not fold expr again.

2006-01-16  Richard Guenther  <rguenther@suse.de>

	* trans-expr.c (gfc_conv_function_call): Use fold_build2.
	* trans-stmt.c (gfc_trans_goto): Likewise.  Use build_int_cst.
	* trans.c (gfc_trans_runtime_check): Don't fold the condition
	again.

2006-01-13  Steven G. Kargl  <kargls@comcast.net>

	PR fortran/25756
	* symbol.c (gfc_free_st_label): Give variable meaningful name. Remove
	unneeded parenthesis. Fix-up the head of the list (2 lines gleaned
	from g95).

2006-01-13  Diego Novillo  <dnovillo@redhat.com>

	* trans.c (gfc_add_expr_to_block): Do not fold tcc_statement
	nodes.

2006-01-11  Tobias Schl聛黷er  <tobias.schlueter@physik.uni-muenchen.de>

	* parse.c (next_fixed): Remove superfluous string concatenation.

2006-01-11  Bernhard Fischer  <rep.nop@aon.at>

	PR fortran/25486
	* scanner.c (load_line): use maxlen to determine the line-length used
	for padding lines in fixed form.

2006-01-11  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/25730
	* trans-types.c (copy_dt_decls_ifequal): Copy backend decl for
	character lengths.

2006-01-09  Andrew Pinski  <pinskia@physics.uc.edu>

	fortran/24936
	* trans-stmt.c (gfc_trans_pointer_assign_need_temp): Use fold_convert
	to avoid type mismatch.

2006-01-09  Andrew Pinski  <pinskia@physics.uc.edu>

	PR fortran/21977
	* trans-decl.c (gfc_generate_function_code): Move the NULLing of
	current_fake_result_decl down to below generate_local_vars.

2006-01-09  Feng Wang  <fengwang@nudt.edu.cn>

	PR fortran/12456
	* trans-expr.c (gfc_to_single_character): New function that converts
	string to single character if its length is 1.
	(gfc_build_compare_string):New function that compare string and handle
	single character specially.
	(gfc_conv_expr_op): Use gfc_build_compare_string.
	(gfc_trans_string_copy): Use gfc_to_single_character.
	* trans-intrinsic.c (gfc_conv_intrinsic_strcmp): Use
	gfc_build_compare_string.
	* trans.h (gfc_build_compare_string): Add prototype.

2006-01-09  Feng Wang  <fengwang@nudt.edu.cn>

	* simplify.c (gfc_simplify_char): Use UCHAR_MAX instead of literal
	constant.
	(gfc_simplify_ichar): Get the result from unsinged char and in the
	range 0 to UCHAR_MAX instead of CHAR_MIN to CHAR_MAX.

2006-01-08  Erik Edelmann  <eedelman@gcc.gnu.org>

	PR fortran/25093
	* resolve.c (resolve_fntype): Check that PUBLIC functions
	aren't of PRIVATE type.

2006-01-07  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>

	* decl.c (gfc_match_function_decl): Correctly error out in case of
	omitted function argument list.

2006-01-07  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/22146
	* trans-array.c (gfc_reverse_ss): Remove static attribute.
	(gfc_walk_elemental_function_args): Replace gfc_expr * argument for
	the function call with the corresponding gfc_actual_arglist*.  Change
	code accordingly.
	(gfc_walk_function_expr): Call to gfc_walk_elemental_function_args
	now requires the actual argument list instead of the expression for
	the function call.
	* trans-array.h: Modify the prototype for gfc_walk_elemental_function_args
	and provide a prototype for gfc_reverse_ss.
	* trans-stmt.h (gfc_trans_call): Add the scalarization code for the case
	where an elemental subroutine has array valued actual arguments.

	PR fortran/25029
	PR fortran/21256
	PR fortran/20868
	PR fortran/20870
	* resolve.c (check_assumed_size_reference): New function to check for upper
	bound in assumed size array references.
	(resolve_assumed_size_actual): New function to do a very restricted scan
	of actual argument expressions of those procedures for which incomplete
	assumed size array references are not allowed.
	(resolve_function, resolve_call): Switch off assumed size checking of
	actual arguments, except for elemental procedures and intrinsic
	inquiry functions, in some circumstances.
	(resolve_variable): Call check_assumed_size_reference.

2006-01-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/24268
	* io.c (next_char_not_space): New function that returns the next
	character that is not white space.
	(format_lex): Use the new function to skip whitespace within
	a format string.

2006-01-05  Erik Edelmann  <eedelman@gcc.gnu.org>

	PR fortran/23675
	* expr.c (gfc_expr_set_symbols_referenced): New function.
	* gfortran.h: Add a function prototype for it.
	* resolve.c (resolve_function): Use it for
	use associated character functions lengths.
	* expr.c, gfortran.h, resolve.c: Updated copyright years.

2006-01-03  Steven G. Kargl  <kargls@comcast.net>

	PR fortran/25101
	* resolve.c (resolve_forall_iterators):  Check for scalar variables;
	Check stride is nonzero.

2006-01-02  Steven G. Kargl  <kargls@comcast.net>

	PR fortran/24640
	* parse.c (next_free): Check for whitespace after the label.
	* match.c (gfc_match_small_literal_int): Initialize cnt variable.

2006-01-01  Steven G. Kargl  <kargls@comcast.net>

	* ChangeLog: Split previous years into ...
	* ChangeLog-2002: here.
	* ChangeLog-2003: here.
	* ChangeLog-2004: here.
	* ChangeLog-2005: here.
