gcc/fortran/ChangeLog

   1 2007-01-20  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
   2
   3         * gfortran.h (gfc_options_t): Add flag_allow_leading_underscore.
   4         * lang.opt: Add -fallow-leading-underscore.
   5         * match.c (gfc_match_name): Allow leading underscore in symbol
   6         name if -fallow-leading-underscore is used.
   7         * symbol.c (gfc_get_default_type): Add special case for symbol
   8         names beginning with an underscore.
   9         * trans-decl.c (gfc_get_extern_function_decl,
  10         gfc_build_intrinsic_function_decls): Add _gfortran prefix to
  11         library symbols selected_int_kind, selected_real_kind and
  12         all specifics.
  13         * options.c (gfc_init_options, gfc_handle_option): Handle the
  14         new -fallow-leading-underscore option.
  15
  16 2007-01-20  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
  17
  18         PR fortran/30446
  19         * options.c (gfc_handle_module_path_options): Path used in -J
  20         option is now added to the module search path.
  21
  22 2007-01-20  Richard Guenther  <rguenther@suse.de>
  23
  24         PR fortran/30223
  25         * f95-lang.c (gfc_init_builtin_functions): Provide cbrt and
  26         cexpi builtins if we have TARGET_C99_FUNCTIONS.  Provide
  27         sincos builtins if the target has sincos.
  28
  29 2007-01-19  Brooks Moses  <brooks.moses@codesourcery.com>
  30
  31         * intrinsic.texi (MATMUL): Corrected a typo.
  32         (MAX): Separated @var arguments.
  33         (MIN): Separated @var arguments.
  34
  35 2007-01-19  Brooks Moses  <brooks.moses@codesourcery.com>
  36
  37         * intrinsic.texi: general whitespace cleanup.
  38         (menu): Added TIME8, removed UNMASK.
  39         (AINT): Clarified argument requirement.
  40         (ANINT): Clarified argument requirement.
  41         (CEILING): Clarified argument requirement.
  42         (CHAR): Clarified argument requirement.
  43         (CMPLX): Clarified argument requirement.
  44         (DCMPLX): Clarified argument requirement.
  45         (FGET): Line rewrapping.
  46         (FLOOR): Clarified argument requirement.
  47         (GMTIME): Added documentation.
  48         (IAND): Added cross-reference.
  49         (IBCLR): Added cross-reference.
  50         (IBSET): Added cross-reference.
  51         (IEOR): Added cross-reference.
  52         (INT): Collapsed examples, clarified argument requirement.
  53         (IOR): Added cross-references.
  54         (LEN_TRIM): Corrected result kind.
  55         (LINK): Added cross-reference.
  56         (LLT): Removed "documentation pending".
  57         (LOGICAL): Added documentation.
  58         (LSHIFT): Added documentation.
  59         (LTIME): Added documentation.
  60         (MATMUL): Added documentation.
  61         (MAX): Added documentation.
  62         (MAXLOC): Added documentation.
  63         (MAXVAL): Added documentation.
  64         (MERGE): Added documentation.
  65         (MIN): Added documentation.
  66         (MINLOC): Added documentation.
  67         (MINVAL): Added documentation.
  68         (MVBITS): Moved to correct place, added documentation.
  69         (NOT): Added documentation.
  70         (PERROR): Added documentation.
  71         (RAN): Moved to correct place, added documentation.
  72         (REAL): Clarified argument requirement.
  73         (RENAME): Added documentation.
  74         (RSHIFT): Clarified argument requirement.
  75         (SIGN): Corrected table specification.
  76         (SYMLNK): Added documentation.
  77         (SYSTEM): Added documentation.
  78         (TIME): Added documentation.
  79         (TIME8): Added section and documentation.
  80         (UNMASK): Removed erroneous section.
  81
  82 2007-01-18  H.J. Lu  <hongjiu.lu@intel.com>
  83
  84         * trans-stmt.c (compute_overall_iter_number): Fix a typo.
  85
  86 2007-01-18  Roger Sayle  <roger@eyesopen.com>
  87
  88         * trans-expr.c (copyable_array_p): Consider user derived types without
  89         allocatable components to be copyable.
  90
  91 2007-01-18  Roger Sayle  <roger@eyesopen.com>
  92
  93         * trans-stmt.c (compute_overall_iter_number): Enhance to precompute
  94         the number of interations in unconditional FORALL nests with constant
  95         bounds.
  96
  97 2007-01-18  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
  98             Tobias Burnus  <burnus@net-b.de>
  99
 100         PR libfortran/29649
 101         * gfortran.h (gfc_option_t): Add flag_dump_core.
 102         * lang.opt: Add -fdump-core option.
 103         * invoke.texi: Document the new options.
 104         * trans-decl.c (gfc_build_builtin_function_decls): Add new
 105           options to the call to set_std.
 106         * options.c (gfc_init_options, gfc_handle_option): Set the
 107           new options.
 108
 109 2007-01-17  Paul Thomas  <pault@gcc.gnu.org>
 110
 111         PR fortran/30476
 112         * module.c (load_generic_interfaces): Make the marking of the
 113         symbol as ambiguous conditional on the module names being
 114         different.
 115         (write_generic): Ensure that the generic interface has a
 116         non-NULL module field.
 117
 118 2007-01-16  Roger Sayle  <roger@eyesopen.com>
 119
 120         PR fortran/30404
 121         * trans-stmt.c (forall_info): Remove pmask field.
 122         (gfc_trans_forall_loop): Remove NVAR argument, instead assume that
 123         NVAR covers all the interation variables in the current forall_info.
 124         Add an extra OUTER parameter, which specified the loop header in
 125         which to place mask index initializations.
 126         (gfc_trans_nested_forall_loop): Remove NEST_FLAG argument.
 127         Change the semantics of MASK_FLAG to only control the mask in the
 128         innermost loop.
 129         (compute_overall_iter_number): Optimize the trivial case of a
 130         top-level loop having a constant number of iterations.  Update
 131         call to gfc_trans_nested_forall_loop.  Calculate the number of
 132         times the inner loop will be executed, not to size of the
 133         iteration space.
 134         (allocate_temp_for_forall_nest_1): Reuse SIZE as BYTESIZE when
 135         sizeof(type) == 1.  Tidy up.
 136         (gfc_trans_assign_need_temp): Remove NEST_FLAG argument from calls
 137         to gfc_trans_nested_forall_loop.
 138         (gfc_trans_pointer_assign_need_temp): Likewise.
 139         (gfc_trans_forall_1): Remove unused BYTESIZE, TMPVAR, SIZEVAR and
 140         LENVAR local variables.  Split mask allocation into a separate
 141         hunk/pass from mask population.  Use allocate_temp_for_forall_nest
 142         to allocate the FORALL mask with the correct size.  Update calls
 143         to gfc_trans_nested_forall_loop.
 144         (gfc_evaluate_where_mask): Update call to
 145         gfc_trans_nested_forall_loop.
 146         (gfc_trans_where_2): Likewise.
 147
 148 2007-01-15  Paul Thomas  <pault@gcc.gnu.org>
 149
 150         PR fortran/28172
 151         * trans-stmt.c (gfc_trans_call): If it does not have one, get
 152         a backend_decl for an alternate return.
 153
 154         PR fortran/29389
 155         * resolve.c (pure_function): Statement functions are pure. Note
 156         that this will have to recurse to comply fully with F95.
 157
 158         PR fortran/29712
 159         * resolve.c (resolve_function): Only a reference to the final
 160         dimension of an assumed size array is an error in an inquiry
 161         function.
 162
 163         PR fortran/30283
 164         * resolve.c (resolve_function): Make sure that the function
 165         expression has a type.
 166
 167 2007-01-14  Paul Thomas  <pault@gcc.gnu.org>
 168
 169         PR fortran/30410
 170         * trans-decl.c (gfc_sym_mangled_function_id): Module, external
 171         symbols must not have the module name prepended.
 172
 173 2007-01-11  Thomas Koenig  <Thomas.Koenig@online.de>
 174
 175         PR libfortran/30415
 176         * iresolve.c (gfc_resolve_maxloc):  If the rank
 177         of the return array is nonzero and we process an
 178         integer array smaller than default kind, coerce
 179         the array to default integer.
 180         * iresolve.c (gfc_resolve_minloc):  Likewise.
 181
 182 2007-01-11  Brooks Moses  <brooks.moses@codesourcery.com>
 183
 184         * simplify.c: Update copyright to 2007.
 185         * scanner.c: Same.
 186
 187 2007-01-11  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 188
 189         PR fortran/30430
 190         * scanner.c (gfc_release_include_path): Free gfc_option.module_dir
 191         only once!
 192
 193 2007-01-09  Brooks Moses  <brooks.moses@codesourcery.com>
 194
 195         * simplify.c (gfc_simplify_ibclr): Fix POS comparison.
 196         (gfc_simplify_ibset): Same.
 197
 198 2007-01-09  Brooks Moses  <brooks.moses@codesourcery.com>
 199
 200         PR 30381
 201         PR 30420
 202         * simplify.c (convert_mpz_to_unsigned): New function.
 203         (convert_mpz_to_signed): New function, largely based on
 204         twos_complement().
 205         (twos_complement): Removed.
 206         (gfc_simplify_ibclr): Add conversions to and from an
 207         unsigned representation before bit-twiddling.
 208         (gfc_simplify_ibset): Same.
 209         (gfc_simplify_ishftc): Add checks for overly large
 210         constant arguments, only check the third argument if
 211         it's present, carry over high bits into the result as
 212         appropriate, and perform the final conversion back to
 213         a signed representation using the correct sign bit.
 214         (gfc_simplify_not): Removed unnecessary masking.
 215
 216 2007-01-09  Paul Thomas  <pault@gcc.gnu.org>
 217
 218         PR fortran/30408
 219         * resolve.c (resolve_code): Use the code->expr character length
 220         directly to set length of llen.
 221
 222 2007-01-09  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 223
 224         PR fortran/30408
 225         * lang.opt: Add Wcharacter_truncation option.
 226         * options.c (gfc_init_options): Initialize
 227         gfc_option.warn_character_truncation to zero.
 228         (gfc_handle_option): Add case for OPT_Wcharacter_truncation.
 229
 230 2007-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
 231
 232         * interface.c, intrinsic.c, gfortranspec.c, io.c, f95-lang.c,
 233         iresolve.c, match.c:  Update Copyright years.  Whitespace.
 234
 235 2007-01-08  Richard Guenther  <rguenther@suse.de>
 236
 237         * trans-io.c (transfer_array_desc): Use build_int_cst instead
 238         of build_int_cstu.
 239
 240 2007-01-08  Roger Sayle  <roger@eyesopen.com>
 241
 242         * trans-array.c (constant_array_constructor_p): New function to
 243         determine whether an array constructor consists only of constant
 244         elements, and if so return it's size.
 245         (gfc_build_constant_array_constructor): Construct a statically
 246         initialized gfortran array for a given EXPR_ARRAY.
 247         (gfc_trans_constant_array_constructor): Efficiently scalarize
 248         a constant array constructor.
 249         (gfc_trans_array_constructor):  Tidy up use of CONST_STRING.
 250         Special case scalarization of constant array constructors, all of
 251         whose elements are specified, using constant_array_constructor_p
 252         and gfc_trans_constant_array_constructor.
 253         (gfc_conv_scalarized_array_ref): Check whetger info->offset is zero
 254         before adding it to index, to avoid creating a NON_LVALUE_EXPR.
 255
 256 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
 257
 258         gfortran.texi: Fix typos.
 259
 260 2007-01-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 261
 262         * decl.c, dump-parse-tree.c, error.c, data.c, expr.c, dependency.c,
 263         convert.c:  Update Copyright dates.  Fix whitespace.
 264
 265 2007-01-07  Bernhard Fischer  <aldot@gcc.gnu.org>
 266
 267         * data.c (gfc_assign_data_value): Fix whitespace.
 268
 269 2007-01-07  Bernhard Fischer  <aldot@gcc.gnu.org>
 270
 271         * trans-array.c (gfc_trans_create_temp_array, gfc_array_init_size):
 272         Commentary typo fix.
 273
 274 2007-01-07  Bernhard Fischer  <aldot@gcc.gnu.org>
 275
 276         PR fortran/27698
 277         * match.c (gfc_match_name): Print diagnostics for invalid
 278         character in names.
 279
 280 2007-01-06  Steven G. Kargl  <kargl@gcc.gnu.org>
 281
 282         * array.c: Fix whitespace in comment table.
 283
 284 2007-01-06  Steven G. Kargl  <kargl@gcc.gnu.org>
 285
 286         * array.c, bbt.c, check.c:  Update copyright years.  Whitespace.
 287
 288 2007-01-06  Steven G. Kargl  <kargl@gcc.gnu.org>
 289
 290         * arith.c: Update copyright years.  Whitespace.
 291
 292 2007-01-05  Roger Sayle  <roger@eyesopen.com>
 293
 294         * trans-expr.c (gfc_trans_assignment_1): New subroutine to scalarize
 295         array assignments split out from gfc_trans_assignment.
 296         (gfc_trans_array_copy): New function to implement array to array
 297         copies via calls to __builtin_memcpy.
 298         (copyable_array_p): New helper function to identify an array of
 299         simple/POD types, that may be copied/assigned using memcpy.
 300         (gfc_trans_assignment): Use gfc_trans_array_copy to handle simple
 301         whole array assignments considered suitable by copyable_array_p.
 302         Invoke gfc_trans_assignment_1 to perform the fallback scalarization.
 303
 304 2007-01-05  Roger Sayle  <roger@eyesopen.com>
 305
 306         * trans-array.c (gfc_trans_array_constructor_value): Make the
 307         static const "data" array as TREE_READONLY.
 308         * trans-stmt.c (gfc_trans_character_select): Likewise.
 309
 310 2007-01-05  Roger Sayle  <roger@eyesopen.com>
 311
 312         * trans-array.c (gfc_conv_loop_setup):  Test whether the loop
 313         stride is one, to avoid fold_build2 introducing a useless
 314         NON_LVALUE_EXPR node.
 315
 316 2007-01-05  Tobias Burnus  <burnus@net-b.de>
 317
 318         * symbol.c (check_conflict): Fix error message.
 319
 320 2007-01-05  Paul Thomas  <pault@gcc.gnu.org>
 321
 322         PR fortran/23232
 323         * decl.c (gfc_in_match_data, gfc_set_in_match_data): New
 324         functions to signal that a DATA statement is being matched.
 325         (gfc_match_data): Call gfc_set_in_match_data on entry and on
 326         exit.
 327         * gfortran.h : Add prototypes for above.
 328         * expr.c (check_init_expr): Avoid check on parameter or
 329         variable if gfc_in_match_data is true.
 330         (gfc_match_init_expr): Do not call error on non-reduction of
 331         expression if gfc_in_match_data is true.
 332
 333         PR fortran/27996
 334         PR fortran/27998
 335         * decl.c (gfc_set_constant_character_len): Add boolean arg to
 336         flag array constructor resolution.  Warn if string is being
 337         truncated.  Standard dependent error if string is padded. Set
 338         new arg to false for all three calls to
 339         gfc_set_constant_character_len.
 340         * match.h : Add boolean arg to prototype for
 341         gfc_set_constant_character_len.
 342         * gfortran.h : Add warn_character_truncation to gfc_options.
 343         * options.c (set_Wall): Set warn_character_truncation if -Wall
 344         is set.
 345         * resolve.c (resolve_code): Warn if rhs string in character
 346         assignment has to be truncated.
 347         * array.c (gfc_resolve_character_array_constructor): Set new
 348         argument to true for call to gfc_set_constant_character_len.
 349
 350 2007-01-05  Tobias Burnus  <burnus@net-b.de>
 351
 352         PR fortran/29624
 353         * interface.c (compare_parameter_intent): New function.
 354           (check_intents): Support pointer intents.
 355         * symbol.c (check_conflict): Support pointer intents,
 356           better conflict_std message.
 357         * expr.c (gfc_check_assign,gfc_check_pointer_assign):
 358           Support pointer intents.
 359         * resolve.c (resolve_deallocate_expr,resolve_allocate_expr):
 360           Support pointer intents.
 361
 362 2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>
 363
 364         PR 30371
 365         * check.c (gfc_check_kill_sub): Add checks for non-scalar
 366         arguments.
 367
 368 2007-01-04  Brooks Moses  <brooks.moses@codesourcery.com>
 369
 370         * intrinsic.texi: Minor cleanup, reflowing overlong
 371         paragraphs, and correcting whitespace.
 372
 373 2007-01-04  Brooks Moses  <brooks.moses@codesourcery.com>
 374
 375         * intrinsic.texi (LBOUND): Add documentation.
 376         (LGE): Add documentation.
 377         (LGT): Add documentation.
 378         (LINK): Add documentation.
 379         (LLE): Add documentation.
 380         (LLT): Add documentation.
 381         (LNBLNK): Add documentation.
 382         (UBOUND): Add documentation.
 383         (UNLINK): Add documentation.
 384
 385 2007-01-04  Brooks Moses  <brooks.moses@codesourcery.com>
 386
 387         * intrinsic.texi (IAND): Clarify argument specifications.
 388         (IBCLR): Add documentation.
 389         (IBITS): Add documentation.
 390         (IBSET): Add documentation.
 391         (IEOR): Add documentation.
 392         (IERRNO): Add documentation.
 393         (INDEX): Add documentation.
 394         (IOR): Add documentation.
 395         (ISHFT): Add documentation.
 396         (ISHFTC): Add documentation.
 397         (KILL): Add documentation.
 398         (LEN_TRIM): Add documentation.
 399
 400 2007-01-04  Brooks Moses  <brooks.moses@codesourcery.com>
 401
 402         PR 30235
 403         * interface.c (compare_actual_formal): check for
 404         alternate returns when iterating over non-present
 405         arguments.
 406
 407 2007-01-04  Brooks Moses  <brooks.moses@codesourcery.com>
 408
 409         * invoke.texi: Update manpage copyright to include 2007.
 410
 411 2007-01-04  Brooks Moses  <brooks.moses@codesourcery.com>
 412
 413         * gfortran.texi: Update copyright to include 2007.
 414         * intrinsic.texi: Update copyright to include 2007.
 415         * invoke.texi: Update copyright to include 2007.
 416
 417 2007-01-02  Tobias Burnus  <burnus@net-b.de>
 418             Jakub Jelinek  <jakub@redhat.com>
 419
 420         PR fortran/30276
 421         * scanner.c (open_included_file): Revert patch.
 422           (gfc_open_included_file): Support absolute pathnames.
 423           (gfc_open_intrinsic_module): Support absolute pathnames.
 424
 425 2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>
 426
 427         * gfortran.texi (GNU Fortran and GCC): Rewrite
 428
 429 2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>
 430
 431         * gfortran.texi (Introduction): Lower "Part I:
 432         Introduction" to a chapter, renumber Parts II and III to
 433         Parts I and II.
 434         * intrinsic.texi (Introduction): Rename to "Introduction
 435         to Intrinsics" to avoid conflict with the new chapter.
 436
 437 2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>
 438
 439         * intrinsic.texi (Introduction): Rewrite first paragraph.
 440
 441 2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>
 442
 443         * invoke.texi (OpenMP): Added index entry.
 444         * gfortran.texi (title page): Removed erroneous '*'.
 445
 446 2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>
 447
 448         * gfortran.texi (GFORTRAN_DEFAULT_RECL): Added units
 449         to description.
 450         (Extensions): Miscellaneous minor rewriting and copyediting.
 451         (BOZ-literal constants): Renamed from Hexadecimal constants.
 452         (Hollerith constants support): Added explanation and
 453         suggestions for standard-conforming modern equivalents.
 454
 455 2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>
 456
 457         * intrinsic.texi: Improvements to index entries; change
 458         @findex entries to @cindex entries.
 459         * invoke.texi: Standardize and improve index entries.
 460         * gfortran.texi: Fix @code in one index entry.
 461
 462 2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>
 463
 464         * invoke.texi: Change @code-type macros to appropriate
 465         variants (@command, @option, etc.)
 466         * gfortran.texi: Same.
 467
 468 2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>
 469
 470         * intrinsic.texi: Various minor cleanups.
 471
 472 2007-01-02  Steven G. Kargl  <kargls@comcast.net>
 473
 474         * trans-intrinsic.c (gfc_conv_intrinsic_ibits): Fix call to
 475         build_int_cst.
 476
 477 2007-01-02  Tobias Burnus  <burnus@net-b.de>
 478
 479         PR fortran/30276
 480         * scanner.c (open_included_file): Support full-path filenames.
 481
 482 2007-01-02  Paul Thomas  <pault@gcc.gnu.org>
 483
 484         PR fortran/20896
 485         * interface.c (check_sym_interfaces): Remove call to
 486         resolve_global_procedure.
 487         gfortran.h : Remove prototype for resolve_global_procedure.
 488         resolve.c (resolve_global_procedure): Add static attribute
 489         to function declaration.
 490
 491 2007-01-01  Steven G. Kargl  <kargls@comcast.net>
 492
 493         * ChangeLog: Copy to ...
 494         * ChangeLog-2006: here.