2016-09-21 Janne Blomqvist <jb@gcc.gnu.org>
* intrinsics/random.c (getosrandom): Use rand_s() on
MinGW-w64. Fix bounds overflow in fallback code.
From-SVN: r240309
libgfortran:
2016-08-19 Janne Blomqvist <jb@gcc.gnu.org>
* intrinsics/random.c (xor_keys): New array with "secret" keys.
(scramble_seed): XOR given seed with xor_keys array rather than
shuffling bytes.
(unscramble_seed): Remove function.
(random_seed_i4): Use new scramble_seed.
(random_seed_i8): Likewise.
frontend:
2016-08-19 Janne Blomqvist <jb@gcc.gnu.org>
* intrinsics.texi (RANDOM_NUMBER): Remove reference to
init_random_seed in example.
(RANDOM_SEED): Remove warning to not set all seed values to 0.
From-SVN: r239613
libgfortran:
2016-08-16 Janne Blomqvist <jb@gcc.gnu.org>
* intrinsics/random.c (master_init): New variable.
(init_rand_state): Move below getosrandom (), maybe initialize
master_state.
(random_seed_i4): If called with no arguments, set master_init to
false, and reinitialize. If called with PUT=, set master_init to
true.
(random_seed_i8): Likewise.
testsuite:
2016-08-16 Janne Blomqvist <jb@gcc.gnu.org>
* gfortran.dg/random_4.f90: Initialize seed before using, handle
the last special seed value.
* gfortran.dg/random_7.f90: Use size for last array member instead
of hardcoded value.
From-SVN: r239611
frontend:
2016-08-11 Janne Blomqvist <jb@gcc.gnu.org>
* check.c (gfc_check_random_seed): Use new seed size in check.
* intrinsic.texi (RANDOM_NUMBER): Updated documentation.
(RANDOM_SEED): Likewise.
testsuite:
2016-08-11 Janne Blomqvist <jb@gcc.gnu.org>
* gfortran.dg/random_7.f90: Take into account that the last seed
value is the special p value.
* gfortran.dg/random_seed_1.f90: Seed size is now constant.
libgfortran:
2016-08-11 Janne Blomqvist <jb@gcc.gnu.org>
* intrinsics/random.c: Replace KISS with xorshift1024* using
per-thread state.
* runtime/main.c (init): Don't call random_seed_i4.
From-SVN: r239356
2015-08-10 Steven G. Kargl <kargl@gcc.gnu.org>
PR libfortran/67140
* intrinsics/mvbits.c: Fix build for paltforms without c_int128_t.
From-SVN: r226769
2014-11-16 Janne Blomqvist <jb@gcc.gnu.org>
PR libfortran/60324
* intrinsics/random.c (kiss_size): Rename to KISS_SIZE, make it a
macro instead of a variable.
(random_seed_i4): Make seed correct size, remove assert, KISS_SIZE
related changes.
(random_seed_i8): KISS_SIZE related changes.
From-SVN: r217623
2014-11-13 Janne Blomqvist <jb@gcc.gnu.org>
PR libfortran/60324
* configure: Regenerated.
* configure.ac (AM_CFLAGS): Add Werror=vla.
* libgfortran.h (gfc_alloca): Remove macro.
(fc_strdup_notrim): New prototype.
* intrinsics/access.c (access_func): Use fc_strdup rather than
stack allocation.
* intrinsics/chdir.c (chdir_i4_sub): Likewise.
(chdir_i8_sub): Likewise.
* intrinsics/chmod.c (chmod_internal): New function, move logic
here.
(chmod_func): Call chmod_internal.
* intrinsics/env.c (getenv): Use fc_strdup rather than stack
allocation.
(get_environment_variable_i4): Likewise.
* intrinsics/execute_command_line.c (execute_command_line):
Likewise.
* intrinsics/hostnm.c (hostnm_0): New function, use static buffer
rather than VLA.
(hostnm_i4_sub): Call hostnm_0.
(hostnm_i8_sub): Likewise.
(hostnm): Likewise.
* intrinsics/link.c (link_internal): New function, use fc_strdup
rather than stack allocation.
(link_i4_sub): Call link_internal.
(link_i8_sub): Likewise.
(link_i4): Likewise.
(link_i8): Likewise.
* intrinsics/perror.c (perror_sub): Use fc_strdup rather than
stack allocation.
* intrinsics/random.c (random_seed_i4): Use static buffer rather
than VLA, use _Static_assert to make sure it's big enough.
* intrinsics/rename.c (rename_internal): New function, use
fc_strdup rather than stack allocation.
(rename_i4_sub): Call rename_internal.
(rename_i8_sub): Likewise.
(rename_i4): Likewise.
(rename_i8): Likewise.
* intrinsics/stat.c (stat_i4_sub_0): Use fc_strdup rather than
stack allocation.
(stat_i8_sub_0): Likewise.
* intrinsics/symlink.c (symlnk_internal): New function, use
fc_strdup rather than stack allocation.
(symlnk_i4_sub): Call symlnk_internal.
(symlnk_i8_sub): Likewise.
(symlnk_i4): Likewise.
(symlnk_i8): Likewise.
* intrinsics/system.c (system_sub): Use fc_strdup rather than
stack allocation.
* intrinsics/unlink.c (unlink_i4_sub): Likewise.
* io/file_pos.c (READ_CHUNK): Make it a macro rather than variable.
* io/list_read.c (nml_get_obj_data): Use fixed stack buffer, fall
back to xmalloc/free for large sizes.
* io/read.c (read_f): Likewise.
* io/transfer.c (MAX_READ): Make it a macro rather than variable.
(WRITE_CHUNK): Likewise.
* io/write_float.def (write_float): Use fixed stack buffer, fall
back to xmalloc/free for large sizes.
* runtime/string.c (fc_strdup_notrim): New function.
From-SVN: r217480
2014-05-12 Janne Blomqvist <jb@gcc.gnu.org>
PR libfortran/61035
* intrinsics/getcwd.c (getcwd_i4_sub): Avoid potentially large
stack allocation, avoid extra copying in the common case.
From-SVN: r210335
PR libfortran/49024
* intrinsics/erfc_scaled.c (erfc_scaled_r16): New function.
* intrinsics/erfc_scaled_inc.c: Do not provide quadruple
precision variant.
* gfortran.dg/erf_3.F90: New file.
From-SVN: r205151
frontend ChangeLog:
2013-04-15 Janne Blomqvist <jb@gcc.gnu.org>
PR fortran/56919
* intrinsics.texi (SYSTEM_CLOCK): Update documentation.
libgfortran ChangeLog:
2013-04-15 Janne Blomqvist <jb@gcc.gnu.org>
PR fortran/56919
* intrinsics/time_1.h: Check __CYGWIN__ in addition to
__MINGW32__.
* intrinsics/system_clock.c (GF_CLOCK_MONOTONIC): Check
_POSIX_MONOTONIC_CLOCK as well.
(system_clock_4): Use GetTickCount on Windows.
(system_clock_8): Use QueryPerformanceCounter and
QueryPerformanceCounterFrequency on Windows.
From-SVN: r197968
2013-03-19 Janne Blomqvist <jb@gcc.gnu.org>
* libgfortran.h: Include stdbool.h.
(enum try): Remove.
(notify_std): Change return type to bool.
* intrinsics/chmod.c: Don't include stdbool.h.
* intrinsics/execute_command_line.c: Likewise.
* io/format.c: Likewise.
* io/list_read.c (nml_parse_qualifier): Change return type to bool.
(nml_read_obj): Likewise.
(nml_get_obj_data): Likewise.
* io/transfer.c (read_block_form): Fix comment.
(write_buf): Change return type to bool.
* io/write.c: Don't include stdbool.h.
* io/write_float.def (output_float): Change return type to bool.
(output_float_FMT_G_ ## x): Change type of result variable.
* runtime/error.c (notify_std): Change return type to bool.
From-SVN: r196791
2012-12-19 Paul Thomas <pault@gcc.gnu.org>
* array.c (resolve_array_list): Apply C4106.
* check.c (gfc_check_same_type_as): Exclude polymorphic
entities from check for extensible types. Improved error
for disallowed argument types to name the offending type.
* class.c : Update copyright date.
(gfc_class_null_initializer): Add argument for initialization
expression and deal with unlimited polymorphic typespecs.
(get_unique_type_string): Give unlimited polymorphic
entities a type string.
(gfc_intrinsic_hash_value): New function.
(gfc_build_class_symbol): Incorporate unlimited polymorphic
entities.
(gfc_find_derived_vtab): Deal with unlimited polymorphic
entities.
(gfc_find_intrinsic_vtab): New function.
* decl.c (gfc_match_decl_type_spec): Match typespec for
unlimited polymorphic type.
(gfc_match_data_decl): Skip to 'ok' if unlimited polymorphic.
expr.c (gfc_check_pointer_assign): Apply C717. If unlimited
polymorphic lvalue, find rvalue vtable for all typespecs,
except unlimited polymorphic expressions.
(gfc_check_vardef_context): Handle unlimited polymorphic
entities.
* gfortran.h : Add unlimited polymorphic attribute. Add
second arg to gfc_class_null_initializer primitive and
primitive for gfc_find_intrinsic_vtab. Add UNLIMITED_POLY
to detect unlimited polymorphic expressions.
* interface.c (gfc_compare_types): If expr1 is unlimited
polymorphic, always return 1. If expr2 is unlimited polymorphic
enforce C717.
(gfc_compare_interfaces): Skip past conditions that do not
apply for unlimited polymorphic entities.
(compare_parameter): Make sure that an unlimited polymorphic,
allocatable or pointer, formal argument is matched by an
unlimited polymorphic actual argument.
(compare_actual_formal): Ensure that an intrinsic vtable exists
to match an unlimited polymorphic formal argument.
* match.c (gfc_match_allocate): Type kind parameter does not
need to match an unlimited polymorphic allocate-object.
(alloc_opt_list): An unlimited polymorphic allocate-object
requires a typespec or a SOURCE tag.
(select_intrinsic_set_tmp): New function.
(select_type_set_tmp): Call new function. If it returns NULL,
build a derived type or class temporary instead.
(gfc_match_type_is): Remove restriction to derived types only.
Bind(C) or sequence derived types not permitted.
* misc (gfc_typename): Printed CLASS(*) for unlimited
polymorphism.
* module.c : Add AB_UNLIMITED_POLY to pass unlimited
polymorphic attribute to and from modules.
* resolve.c (resolve_common_vars): Unlimited polymorphic
entities cannot appear in common blocks.
(resolve_deallocate_expr): Deallocate unlimited polymorphic
enities.
(resolve_allocate_expr): Likewise for allocation. Make sure
vtable exists.
(gfc_type_is_extensible): Unlimited polymorphic entities are
not extensible.
(resolve_select_type): Handle unlimited polymorphic selectors.
Ensure that length type parameters are assumed and that names
for intrinsic types are generated.
(resolve_fl_var_and_proc): Exclude select type temporaries
from test of extensibility of type.
(resolve_fl_variable): Likewise for test that assumed character
length must be a dummy or a parameter.
(resolve_fl_derived0): Return SUCCESS unconditionally for
unlimited polymorphic entities. Also, allow unlimited
polymorphic components.
(resolve_fl_derived): Return SUCCESS unconditionally for
unlimited polymorphic entities.
(resolve_symbol): Return early with unlimited polymorphic
entities.
* simplifiy.c : Update copyright year.
(gfc_simplify_extends_type_of): No simplification possible
for unlimited polymorphic arguments.
* symbol.c (gfc_use_derived): Nothing to do for unlimited
polymorphic "derived type".
(gfc_type_compatible): Return unity if ts1 is unlimited
polymorphic.
* trans-decl.c (create_function_arglist) Formal arguments
without a character length should be treated in the same way
as passed lengths.
(gfc_trans_deferred_vars): Nullify the vptr of unlimited
polymorphic pointers. Avoid unlimited polymorphic entities
triggering gcc_unreachable.
* trans-expr.c (gfc_conv_intrinsic_to_class): New function.
(gfc_trans_class_init_assign): Make indirect reference of
src.expr.
(gfc_trans_class_assign): Expression NULL of unknown type
should set NULL vptr on lhs. Treat C717 cases where lhs is
a derived type and the rhs is unlimited polymorphic.
(gfc_conv_procedure_call): Handle the conversion of a non-class
actual argument to match an unlimited polymorphic formal
argument. Suppress the passing of a character string length
in this case. Make sure that calls to the character __copy
function have two character string length arguments.
(gfc_conv_initializer): Pass the initialization expression to
gfc_class_null_initializer.
(gfc_trans_subcomponent_assign): Ditto.
(gfc_conv_structure): Move handling of _size component.
trans-intrinsic.c: (gfc_conv_same_type_as): Handle conditions
where unlimited polymorphic arguments have null vptr.
* trans-stmt.c (trans_associate_var): Correctly treat array
temporaries associated with unlimited polymorphic selectors.
Recover the overwritten dtype for the descriptor. Use the _size
field of the vptr for character string lengths.
(gfc_trans_allocate): Cope with unlimited polymorphic allocate
objects; especially with character source tags.
(reset_vptr): New function.
(gfc_trans_deallocate): Call it.
* trans-types.c (gfc_get_derived_type): Detect unlimited
polymorphic types and deal with cases where the derived type of
components is null.
* trans.c : Update copyright year.
(trans_code): Call gfc_trans_class_assign for C717 cases where
the lhs is not unlimited polymorphic.
2012-12-19 Paul Thomas <pault@gcc.gnu.org>
* intrinsics/extends_type_of.c : Return correct results for
null vptrs.
2012-12-19 Paul Thomas <pault@gcc.gnu.org>
* gfortran.dg/unlimited_polymorphic_1.f03: New test.
* gfortran.dg/unlimited_polymorphic_2.f03: New test.
* gfortran.dg/unlimited_polymorphic_3.f03: New test.
* gfortran.dg/same_type_as.f03: Correct for improved message.
From-SVN: r194622
2012-12-03 Janus Weil <janus@gcc.gnu.org>
PR fortran/55548
* intrinsics/system_clock.c (gf_gettime_mono): Add argument 'tck',
which returns the clock resolution.
(system_clock_4): Get resolution from gf_gettime_mono, but limit to
1000/s.
(system_clock_8): Get resolution from gf_gettime_mono.
2012-12-03 Janus Weil <janus@gcc.gnu.org>
PR fortran/55548
* intrinsic.texi (SYSTEM_CLOCK): Update documentation of SYSTEM_CLOCK.
From-SVN: r194105
2012-05-27 Janne Blomqvist <jb@gcc.gnu.org>
* intrinsics/time_1.h (gf_cputime): Don't reevaluate HZ expression
for times fallback, clarify operation ordering for times and clock
fallbacks.
(gf_gettime): Fix comment typo.
From-SVN: r187922
2012-05-11 Tobias Burnus <burnus@net-b.de>
PR fortran/53310
* intrinsics/eoshift2.c (eoshift2): Do not leak
memory by allocating it in the loop.
From-SVN: r187395
2012-04-15 Thomas Koenig <tkoenig@gcc.gnu.org>
PR libfortran/38199
PR libfortran/50673
* intrinsics/string_intriniscs_inc.c (string_len_trim):
Remove prototypes for string_len_trim and move to...
* libgfortran.h (string_len_trim): ... here and
(string_len_trim_char4): ...here.
* io/unit.c: For non-array internal arrays where we do reading,
adjust the record length to the last non-blank character.
* io/unix.c: Fix typo.
From-SVN: r186466
