gcc/fortran/ChangeLog

   1 2007-01-20  Roger Sayle  <roger@eyesopen.com>
   2
   3         * module.c (mio_array_ref): The dimen_type fields of an array ref
   4         are an enumerated type and can't be read/written directly with a
   5         call to mio_integer.  Instead loop over and cast each element.
   6
   7 2007-01-20  Roger Sayle  <roger@eyesopen.com>
   8
   9         * dependency.c (gfc_full_array_ref_p): Check that ref->next is NULL,
  10         i.e. that the ARRAY_REF doesn't mention components.
  11         * trans-array.c (gfc_constant_array_constructor_p): Export external
  12         function renamed from constant_array_constructor_p.
  13         (gfc_build_constant_array_constructor): Export.
  14         (gfc_trans_array_constructor): Update call to the renamed function
  15         constant_array_constructor_p.
  16         * trans-array.h (gfc_constant_array_constructor_p): Prototype here.
  17         (gfc_build_constant_array_constructor): Likewise.
  18         * trans-expr.c (gfc_build_memcpy_call): New helper function split
  19         out from gfc_trans_array_copy.
  20         (gfc_trans_array_copy): Use gfc_build_memcpy_call.
  21         (gfc_trans_array_constructor_copy): New function to optimize
  22         assigning an entire array from a constant array constructor.
  23         (gfc_trans_assignment): Call gfc_trans_array_constructor_copy
  24         when appropriate.
  25
  26 2007-01-20  Roger Sayle  <roger@eyesopen.com>
  27
  28         * trans-intrinsic.c (gfc_conv_intrinsic_sign): New branchless
  29         implementation for the SIGN intrinsic with integral operands.
  30         (gfc_conv_intrinsic_minmax): Fix whitespace.
  31
  32 2007-01-20  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
  33
  34         * gfortran.h (gfc_options_t): Add flag_allow_leading_underscore.
  35         * lang.opt: Add -fallow-leading-underscore.
  36         * match.c (gfc_match_name): Allow leading underscore in symbol
  37         name if -fallow-leading-underscore is used.
  38         * symbol.c (gfc_get_default_type): Add special case for symbol
  39         names beginning with an underscore.
  40         * trans-decl.c (gfc_get_extern_function_decl,
  41         gfc_build_intrinsic_function_decls): Add _gfortran prefix to
  42         library symbols selected_int_kind, selected_real_kind and
  43         all specifics.
  44         * options.c (gfc_init_options, gfc_handle_option): Handle the
  45         new -fallow-leading-underscore option.
  46
  47 2007-01-20  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
  48
  49         PR fortran/30446
  50         * options.c (gfc_handle_module_path_options): Path used in -J
  51         option is now added to the module search path.
  52
  53 2007-01-20  Richard Guenther  <rguenther@suse.de>
  54
  55         PR fortran/30223
  56         * f95-lang.c (gfc_init_builtin_functions): Provide cbrt and
  57         cexpi builtins if we have TARGET_C99_FUNCTIONS.  Provide
  58         sincos builtins if the target has sincos.
  59
  60 2007-01-19  Brooks Moses  <brooks.moses@codesourcery.com>
  61
  62         * intrinsic.texi (MATMUL): Corrected a typo.
  63         (MAX): Separated @var arguments.
  64         (MIN): Separated @var arguments.
  65
  66 2007-01-19  Brooks Moses  <brooks.moses@codesourcery.com>
  67
  68         * intrinsic.texi: general whitespace cleanup.
  69         (menu): Added TIME8, removed UNMASK.
  70         (AINT): Clarified argument requirement.
  71         (ANINT): Clarified argument requirement.
  72         (CEILING): Clarified argument requirement.
  73         (CHAR): Clarified argument requirement.
  74         (CMPLX): Clarified argument requirement.
  75         (DCMPLX): Clarified argument requirement.
  76         (FGET): Line rewrapping.
  77         (FLOOR): Clarified argument requirement.
  78         (GMTIME): Added documentation.
  79         (IAND): Added cross-reference.
  80         (IBCLR): Added cross-reference.
  81         (IBSET): Added cross-reference.
  82         (IEOR): Added cross-reference.
  83         (INT): Collapsed examples, clarified argument requirement.
  84         (IOR): Added cross-references.
  85         (LEN_TRIM): Corrected result kind.
  86         (LINK): Added cross-reference.
  87         (LLT): Removed "documentation pending".
  88         (LOGICAL): Added documentation.
  89         (LSHIFT): Added documentation.
  90         (LTIME): Added documentation.
  91         (MATMUL): Added documentation.
  92         (MAX): Added documentation.
  93         (MAXLOC): Added documentation.
  94         (MAXVAL): Added documentation.
  95         (MERGE): Added documentation.
  96         (MIN): Added documentation.
  97         (MINLOC): Added documentation.
  98         (MINVAL): Added documentation.
  99         (MVBITS): Moved to correct place, added documentation.
 100         (NOT): Added documentation.
 101         (PERROR): Added documentation.
 102         (RAN): Moved to correct place, added documentation.
 103         (REAL): Clarified argument requirement.
 104         (RENAME): Added documentation.
 105         (RSHIFT): Clarified argument requirement.
 106         (SIGN): Corrected table specification.
 107         (SYMLNK): Added documentation.
 108         (SYSTEM): Added documentation.
 109         (TIME): Added documentation.
 110         (TIME8): Added section and documentation.
 111         (UNMASK): Removed erroneous section.
 112
 113 2007-01-18  H.J. Lu  <hongjiu.lu@intel.com>
 114
 115         * trans-stmt.c (compute_overall_iter_number): Fix a typo.
 116
 117 2007-01-18  Roger Sayle  <roger@eyesopen.com>
 118
 119         * trans-expr.c (copyable_array_p): Consider user derived types without
 120         allocatable components to be copyable.
 121
 122 2007-01-18  Roger Sayle  <roger@eyesopen.com>
 123
 124         * trans-stmt.c (compute_overall_iter_number): Enhance to precompute
 125         the number of interations in unconditional FORALL nests with constant
 126         bounds.
 127
 128 2007-01-18  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 129             Tobias Burnus  <burnus@net-b.de>
 130
 131         PR libfortran/29649
 132         * gfortran.h (gfc_option_t): Add flag_dump_core.
 133         * lang.opt: Add -fdump-core option.
 134         * invoke.texi: Document the new options.
 135         * trans-decl.c (gfc_build_builtin_function_decls): Add new
 136           options to the call to set_std.
 137         * options.c (gfc_init_options, gfc_handle_option): Set the
 138           new options.
 139
 140 2007-01-17  Paul Thomas  <pault@gcc.gnu.org>
 141
 142         PR fortran/30476
 143         * module.c (load_generic_interfaces): Make the marking of the
 144         symbol as ambiguous conditional on the module names being
 145         different.
 146         (write_generic): Ensure that the generic interface has a
 147         non-NULL module field.
 148
 149 2007-01-16  Roger Sayle  <roger@eyesopen.com>
 150
 151         PR fortran/30404
 152         * trans-stmt.c (forall_info): Remove pmask field.
 153         (gfc_trans_forall_loop): Remove NVAR argument, instead assume that
 154         NVAR covers all the interation variables in the current forall_info.
 155         Add an extra OUTER parameter, which specified the loop header in
 156         which to place mask index initializations.
 157         (gfc_trans_nested_forall_loop): Remove NEST_FLAG argument.
 158         Change the semantics of MASK_FLAG to only control the mask in the
 159         innermost loop.
 160         (compute_overall_iter_number): Optimize the trivial case of a
 161         top-level loop having a constant number of iterations.  Update
 162         call to gfc_trans_nested_forall_loop.  Calculate the number of
 163         times the inner loop will be executed, not to size of the
 164         iteration space.
 165         (allocate_temp_for_forall_nest_1): Reuse SIZE as BYTESIZE when
 166         sizeof(type) == 1.  Tidy up.
 167         (gfc_trans_assign_need_temp): Remove NEST_FLAG argument from calls
 168         to gfc_trans_nested_forall_loop.
 169         (gfc_trans_pointer_assign_need_temp): Likewise.
 170         (gfc_trans_forall_1): Remove unused BYTESIZE, TMPVAR, SIZEVAR and
 171         LENVAR local variables.  Split mask allocation into a separate
 172         hunk/pass from mask population.  Use allocate_temp_for_forall_nest
 173         to allocate the FORALL mask with the correct size.  Update calls
 174         to gfc_trans_nested_forall_loop.
 175         (gfc_evaluate_where_mask): Update call to
 176         gfc_trans_nested_forall_loop.
 177         (gfc_trans_where_2): Likewise.
 178
 179 2007-01-15  Paul Thomas  <pault@gcc.gnu.org>
 180
 181         PR fortran/28172
 182         * trans-stmt.c (gfc_trans_call): If it does not have one, get
 183         a backend_decl for an alternate return.
 184
 185         PR fortran/29389
 186         * resolve.c (pure_function): Statement functions are pure. Note
 187         that this will have to recurse to comply fully with F95.
 188
 189         PR fortran/29712
 190         * resolve.c (resolve_function): Only a reference to the final
 191         dimension of an assumed size array is an error in an inquiry
 192         function.
 193
 194         PR fortran/30283
 195         * resolve.c (resolve_function): Make sure that the function
 196         expression has a type.
 197
 198 2007-01-14  Paul Thomas  <pault@gcc.gnu.org>
 199
 200         PR fortran/30410
 201         * trans-decl.c (gfc_sym_mangled_function_id): Module, external
 202         symbols must not have the module name prepended.
 203
 204 2007-01-11  Thomas Koenig  <Thomas.Koenig@online.de>
 205
 206         PR libfortran/30415
 207         * iresolve.c (gfc_resolve_maxloc):  If the rank
 208         of the return array is nonzero and we process an
 209         integer array smaller than default kind, coerce
 210         the array to default integer.
 211         * iresolve.c (gfc_resolve_minloc):  Likewise.
 212
 213 2007-01-11  Brooks Moses  <brooks.moses@codesourcery.com>
 214
 215         * simplify.c: Update copyright to 2007.
 216         * scanner.c: Same.
 217
 218 2007-01-11  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 219
 220         PR fortran/30430
 221         * scanner.c (gfc_release_include_path): Free gfc_option.module_dir
 222         only once!
 223
 224 2007-01-09  Brooks Moses  <brooks.moses@codesourcery.com>
 225
 226         * simplify.c (gfc_simplify_ibclr): Fix POS comparison.
 227         (gfc_simplify_ibset): Same.
 228
 229 2007-01-09  Brooks Moses  <brooks.moses@codesourcery.com>
 230
 231         PR 30381
 232         PR 30420
 233         * simplify.c (convert_mpz_to_unsigned): New function.
 234         (convert_mpz_to_signed): New function, largely based on
 235         twos_complement().
 236         (twos_complement): Removed.
 237         (gfc_simplify_ibclr): Add conversions to and from an
 238         unsigned representation before bit-twiddling.
 239         (gfc_simplify_ibset): Same.
 240         (gfc_simplify_ishftc): Add checks for overly large
 241         constant arguments, only check the third argument if
 242         it's present, carry over high bits into the result as
 243         appropriate, and perform the final conversion back to
 244         a signed representation using the correct sign bit.
 245         (gfc_simplify_not): Removed unnecessary masking.
 246
 247 2007-01-09  Paul Thomas  <pault@gcc.gnu.org>
 248
 249         PR fortran/30408
 250         * resolve.c (resolve_code): Use the code->expr character length
 251         directly to set length of llen.
 252
 253 2007-01-09  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 254
 255         PR fortran/30408
 256         * lang.opt: Add Wcharacter_truncation option.
 257         * options.c (gfc_init_options): Initialize
 258         gfc_option.warn_character_truncation to zero.
 259         (gfc_handle_option): Add case for OPT_Wcharacter_truncation.
 260
 261 2007-01-08  Steven G. Kargl  <kargl@gcc.gnu.org>
 262
 263         * interface.c, intrinsic.c, gfortranspec.c, io.c, f95-lang.c,
 264         iresolve.c, match.c:  Update Copyright years.  Whitespace.
 265
 266 2007-01-08  Richard Guenther  <rguenther@suse.de>
 267
 268         * trans-io.c (transfer_array_desc): Use build_int_cst instead
 269         of build_int_cstu.
 270
 271 2007-01-08  Roger Sayle  <roger@eyesopen.com>
 272
 273         * trans-array.c (constant_array_constructor_p): New function to
 274         determine whether an array constructor consists only of constant
 275         elements, and if so return it's size.
 276         (gfc_build_constant_array_constructor): Construct a statically
 277         initialized gfortran array for a given EXPR_ARRAY.
 278         (gfc_trans_constant_array_constructor): Efficiently scalarize
 279         a constant array constructor.
 280         (gfc_trans_array_constructor):  Tidy up use of CONST_STRING.
 281         Special case scalarization of constant array constructors, all of
 282         whose elements are specified, using constant_array_constructor_p
 283         and gfc_trans_constant_array_constructor.
 284         (gfc_conv_scalarized_array_ref): Check whetger info->offset is zero
 285         before adding it to index, to avoid creating a NON_LVALUE_EXPR.
 286
 287 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
 288
 289         gfortran.texi: Fix typos.
 290
 291 2007-01-07  Steven G. Kargl  <kargl@gcc.gnu.org>
 292
 293         * decl.c, dump-parse-tree.c, error.c, data.c, expr.c, dependency.c,
 294         convert.c:  Update Copyright dates.  Fix whitespace.
 295
 296 2007-01-07  Bernhard Fischer  <aldot@gcc.gnu.org>
 297
 298         * data.c (gfc_assign_data_value): Fix whitespace.
 299
 300 2007-01-07  Bernhard Fischer  <aldot@gcc.gnu.org>
 301
 302         * trans-array.c (gfc_trans_create_temp_array, gfc_array_init_size):
 303         Commentary typo fix.
 304
 305 2007-01-07  Bernhard Fischer  <aldot@gcc.gnu.org>
 306
 307         PR fortran/27698
 308         * match.c (gfc_match_name): Print diagnostics for invalid
 309         character in names.
 310
 311 2007-01-06  Steven G. Kargl  <kargl@gcc.gnu.org>
 312
 313         * array.c: Fix whitespace in comment table.
 314
 315 2007-01-06  Steven G. Kargl  <kargl@gcc.gnu.org>
 316
 317         * array.c, bbt.c, check.c:  Update copyright years.  Whitespace.
 318
 319 2007-01-06  Steven G. Kargl  <kargl@gcc.gnu.org>
 320
 321         * arith.c: Update copyright years.  Whitespace.
 322
 323 2007-01-05  Roger Sayle  <roger@eyesopen.com>
 324
 325         * trans-expr.c (gfc_trans_assignment_1): New subroutine to scalarize
 326         array assignments split out from gfc_trans_assignment.
 327         (gfc_trans_array_copy): New function to implement array to array
 328         copies via calls to __builtin_memcpy.
 329         (copyable_array_p): New helper function to identify an array of
 330         simple/POD types, that may be copied/assigned using memcpy.
 331         (gfc_trans_assignment): Use gfc_trans_array_copy to handle simple
 332         whole array assignments considered suitable by copyable_array_p.
 333         Invoke gfc_trans_assignment_1 to perform the fallback scalarization.
 334
 335 2007-01-05  Roger Sayle  <roger@eyesopen.com>
 336
 337         * trans-array.c (gfc_trans_array_constructor_value): Make the
 338         static const "data" array as TREE_READONLY.
 339         * trans-stmt.c (gfc_trans_character_select): Likewise.
 340
 341 2007-01-05  Roger Sayle  <roger@eyesopen.com>
 342
 343         * trans-array.c (gfc_conv_loop_setup):  Test whether the loop
 344         stride is one, to avoid fold_build2 introducing a useless
 345         NON_LVALUE_EXPR node.
 346
 347 2007-01-05  Tobias Burnus  <burnus@net-b.de>
 348
 349         * symbol.c (check_conflict): Fix error message.
 350
 351 2007-01-05  Paul Thomas  <pault@gcc.gnu.org>
 352
 353         PR fortran/23232
 354         * decl.c (gfc_in_match_data, gfc_set_in_match_data): New
 355         functions to signal that a DATA statement is being matched.
 356         (gfc_match_data): Call gfc_set_in_match_data on entry and on
 357         exit.
 358         * gfortran.h : Add prototypes for above.
 359         * expr.c (check_init_expr): Avoid check on parameter or
 360         variable if gfc_in_match_data is true.
 361         (gfc_match_init_expr): Do not call error on non-reduction of
 362         expression if gfc_in_match_data is true.
 363
 364         PR fortran/27996
 365         PR fortran/27998
 366         * decl.c (gfc_set_constant_character_len): Add boolean arg to
 367         flag array constructor resolution.  Warn if string is being
 368         truncated.  Standard dependent error if string is padded. Set
 369         new arg to false for all three calls to
 370         gfc_set_constant_character_len.
 371         * match.h : Add boolean arg to prototype for
 372         gfc_set_constant_character_len.
 373         * gfortran.h : Add warn_character_truncation to gfc_options.
 374         * options.c (set_Wall): Set warn_character_truncation if -Wall
 375         is set.
 376         * resolve.c (resolve_code): Warn if rhs string in character
 377         assignment has to be truncated.
 378         * array.c (gfc_resolve_character_array_constructor): Set new
 379         argument to true for call to gfc_set_constant_character_len.
 380
 381 2007-01-05  Tobias Burnus  <burnus@net-b.de>
 382
 383         PR fortran/29624
 384         * interface.c (compare_parameter_intent): New function.
 385           (check_intents): Support pointer intents.
 386         * symbol.c (check_conflict): Support pointer intents,
 387           better conflict_std message.
 388         * expr.c (gfc_check_assign,gfc_check_pointer_assign):
 389           Support pointer intents.
 390         * resolve.c (resolve_deallocate_expr,resolve_allocate_expr):
 391           Support pointer intents.
 392
 393 2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>
 394
 395         PR 30371
 396         * check.c (gfc_check_kill_sub): Add checks for non-scalar
 397         arguments.
 398
 399 2007-01-04  Brooks Moses  <brooks.moses@codesourcery.com>
 400
 401         * intrinsic.texi: Minor cleanup, reflowing overlong
 402         paragraphs, and correcting whitespace.
 403
 404 2007-01-04  Brooks Moses  <brooks.moses@codesourcery.com>
 405
 406         * intrinsic.texi (LBOUND): Add documentation.
 407         (LGE): Add documentation.
 408         (LGT): Add documentation.
 409         (LINK): Add documentation.
 410         (LLE): Add documentation.
 411         (LLT): Add documentation.
 412         (LNBLNK): Add documentation.
 413         (UBOUND): Add documentation.
 414         (UNLINK): Add documentation.
 415
 416 2007-01-04  Brooks Moses  <brooks.moses@codesourcery.com>
 417
 418         * intrinsic.texi (IAND): Clarify argument specifications.
 419         (IBCLR): Add documentation.
 420         (IBITS): Add documentation.
 421         (IBSET): Add documentation.
 422         (IEOR): Add documentation.
 423         (IERRNO): Add documentation.
 424         (INDEX): Add documentation.
 425         (IOR): Add documentation.
 426         (ISHFT): Add documentation.
 427         (ISHFTC): Add documentation.
 428         (KILL): Add documentation.
 429         (LEN_TRIM): Add documentation.
 430
 431 2007-01-04  Brooks Moses  <brooks.moses@codesourcery.com>
 432
 433         PR 30235
 434         * interface.c (compare_actual_formal): check for
 435         alternate returns when iterating over non-present
 436         arguments.
 437
 438 2007-01-04  Brooks Moses  <brooks.moses@codesourcery.com>
 439
 440         * invoke.texi: Update manpage copyright to include 2007.
 441
 442 2007-01-04  Brooks Moses  <brooks.moses@codesourcery.com>
 443
 444         * gfortran.texi: Update copyright to include 2007.
 445         * intrinsic.texi: Update copyright to include 2007.
 446         * invoke.texi: Update copyright to include 2007.
 447
 448 2007-01-02  Tobias Burnus  <burnus@net-b.de>
 449             Jakub Jelinek  <jakub@redhat.com>
 450
 451         PR fortran/30276
 452         * scanner.c (open_included_file): Revert patch.
 453           (gfc_open_included_file): Support absolute pathnames.
 454           (gfc_open_intrinsic_module): Support absolute pathnames.
 455
 456 2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>
 457
 458         * gfortran.texi (GNU Fortran and GCC): Rewrite
 459
 460 2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>
 461
 462         * gfortran.texi (Introduction): Lower "Part I:
 463         Introduction" to a chapter, renumber Parts II and III to
 464         Parts I and II.
 465         * intrinsic.texi (Introduction): Rename to "Introduction
 466         to Intrinsics" to avoid conflict with the new chapter.
 467
 468 2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>
 469
 470         * intrinsic.texi (Introduction): Rewrite first paragraph.
 471
 472 2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>
 473
 474         * invoke.texi (OpenMP): Added index entry.
 475         * gfortran.texi (title page): Removed erroneous '*'.
 476
 477 2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>
 478
 479         * gfortran.texi (GFORTRAN_DEFAULT_RECL): Added units
 480         to description.
 481         (Extensions): Miscellaneous minor rewriting and copyediting.
 482         (BOZ-literal constants): Renamed from Hexadecimal constants.
 483         (Hollerith constants support): Added explanation and
 484         suggestions for standard-conforming modern equivalents.
 485
 486 2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>
 487
 488         * intrinsic.texi: Improvements to index entries; change
 489         @findex entries to @cindex entries.
 490         * invoke.texi: Standardize and improve index entries.
 491         * gfortran.texi: Fix @code in one index entry.
 492
 493 2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>
 494
 495         * invoke.texi: Change @code-type macros to appropriate
 496         variants (@command, @option, etc.)
 497         * gfortran.texi: Same.
 498
 499 2007-01-03  Brooks Moses  <brooks.moses@codesourcery.com>
 500
 501         * intrinsic.texi: Various minor cleanups.
 502
 503 2007-01-02  Steven G. Kargl  <kargls@comcast.net>
 504
 505         * trans-intrinsic.c (gfc_conv_intrinsic_ibits): Fix call to
 506         build_int_cst.
 507
 508 2007-01-02  Tobias Burnus  <burnus@net-b.de>
 509
 510         PR fortran/30276
 511         * scanner.c (open_included_file): Support full-path filenames.
 512
 513 2007-01-02  Paul Thomas  <pault@gcc.gnu.org>
 514
 515         PR fortran/20896
 516         * interface.c (check_sym_interfaces): Remove call to
 517         resolve_global_procedure.
 518         gfortran.h : Remove prototype for resolve_global_procedure.
 519         resolve.c (resolve_global_procedure): Add static attribute
 520         to function declaration.
 521
 522 2007-01-01  Steven G. Kargl  <kargls@comcast.net>
 523
 524         * ChangeLog: Copy to ...
 525         * ChangeLog-2006: here.