gcc/libgfortran/ChangeLog-2020

2020-12-05  Iain Sandoe  <iain@sandoe.co.uk>

	PR target/97865
	* configure: Regenerate.

2020-11-29  John David Anglin  <danglin@gcc.gnu.org>

	* configure: Regenerate.

2020-11-26  Maciej W. Rozycki  <macro@linux-mips.org>

	* io/io.h [HAVE_NEWLOCALE]: Also check for HAVE_FREELOCALE and
	HAVE_USELOCALE.
	[HAVE_FREELOCALE && HAVE_NEWLOCALE && HAVE_USELOCALE]
	(HAVE_POSIX_2008_LOCALE): New macro.
	(st_parameter_dt) [HAVE_NEWLOCALE]: Check for
	HAVE_POSIX_2008_LOCALE instead.
	* io/transfer.c (data_transfer_init_worker, finalize_transfer)
	[HAVE_USELOCALE]: Check for HAVE_POSIX_2008_LOCALE instead.
	* io/unit.c [HAVE_NEWLOCALE]: Likewise.
	(init_units) [HAVE_NEWLOCALE]: Likewise.
	(close_units) [HAVE_FREELOCALE]: Likewise.
	* runtime/error.c (gf_strerror) [HAVE_USELOCALE]: Likewise.

2020-11-26  Maciej W. Rozycki  <macro@linux-mips.org>

	* libgfortran.h: Use #if rather than #ifdef with
	__FLT_HAS_INFINITY__, __DBL_HAS_INFINITY__,
	__LDBL_HAS_INFINITY__, __FLT_HAS_QUIET_NAN__,
	__DBL_HAS_QUIET_NAN__, and __LDBL_HAS_QUIET_NAN__.

2020-11-21  Iain Sandoe  <iain@sandoe.co.uk>

	* intrinsics/execute_command_line.c (environ): Use
	_NSGetEnviron to get the environment pointer on Darwin.

2020-10-30  Harald Anlauf  <anlauf@gmx.de>

	* intrinsics/random.c (SZ_IN_INT_4): Define size of state in int32_t.
	(SZ_IN_INT_8): Define size of state in int64_t.
	(SZ): Remove.
	(random_seed_i4): Use size SZ_IN_INT_4 instead of SZ.
	(random_seed_i8): Use size SZ_IN_INT_8 instead of SZ.

2020-10-18  Harald Anlauf  <anlauf@gmx.de>

	* m4/matmul_internal.m4: Move check for rank-1 times rank-2 before
	checks on strides for rank-2 times rank-2.
	* generated/matmul_c10.c: Regenerated.
	* generated/matmul_c16.c: Likewise.
	* generated/matmul_c4.c: Likewise.
	* generated/matmul_c8.c: Likewise.
	* generated/matmul_i1.c: Likewise.
	* generated/matmul_i16.c: Likewise.
	* generated/matmul_i2.c: Likewise.
	* generated/matmul_i4.c: Likewise.
	* generated/matmul_i8.c: Likewise.
	* generated/matmul_r10.c: Likewise.
	* generated/matmul_r16.c: Likewise.
	* generated/matmul_r4.c: Likewise.
	* generated/matmul_r8.c: Likewise.
	* generated/matmulavx128_c10.c: Likewise.
	* generated/matmulavx128_c16.c: Likewise.
	* generated/matmulavx128_c4.c: Likewise.
	* generated/matmulavx128_c8.c: Likewise.
	* generated/matmulavx128_i1.c: Likewise.
	* generated/matmulavx128_i16.c: Likewise.
	* generated/matmulavx128_i2.c: Likewise.
	* generated/matmulavx128_i4.c: Likewise.
	* generated/matmulavx128_i8.c: Likewise.
	* generated/matmulavx128_r10.c: Likewise.
	* generated/matmulavx128_r16.c: Likewise.
	* generated/matmulavx128_r4.c: Likewise.
	* generated/matmulavx128_r8.c: Likewise.

2020-09-28  Tobias Burnus  <tobias@codesourcery.com>

	* m4/unpack.m4 (unpack0_'rtype_code`,
	unpack1_'rtype_code`): Move 'rstride[0]' initialization outside
	conditional branch to silence -Wmaybe-uninitialized.
	* generated/unpack_c10.c: Regenerate.
	* generated/unpack_c16.c: Regenerate.
	* generated/unpack_c4.c: Regenerate.
	* generated/unpack_c8.c: Regenerate.
	* generated/unpack_i1.c: Regenerate.
	* generated/unpack_i16.c: Regenerate.
	* generated/unpack_i2.c: Regenerate.
	* generated/unpack_i4.c: Regenerate.
	* generated/unpack_i8.c: Regenerate.
	* generated/unpack_r10.c: Regenerate.
	* generated/unpack_r16.c: Regenerate.
	* generated/unpack_r4.c: Regenerate.
	* generated/unpack_r8.c: Regenerate.

2020-09-27  Clement Chigot  <clement.chigot@atos.net>

	* config/t-aix: Use $(AR) without -X32_64.

2020-09-03  Harald Anlauf  <anlauf@gmx.de>

	* m4/iall.m4: Initial value for result should be -1.
	* generated/iall_i1.c (miall_i1): Generated.
	* generated/iall_i16.c (miall_i16): Likewise.
	* generated/iall_i2.c (miall_i2): Likewise.
	* generated/iall_i4.c (miall_i4): Likewise.
	* generated/iall_i8.c (miall_i8): Likewise.

2020-08-24  Mark Eggleston  <markeggleston@gcc.gnu.org>

	PR fortran/96486
	* intrinsics/env.c: If value_len is > 0 blank the string.
	Copy the result only if its length is > 0.

2020-08-20  Mark Eggleston  <markeggleston@gcc.gnu.org>

	PR fortran/96436
	* io/format.c (parse_format_list):  Add new local variable
	"standard" to hold the required standard to check. If the
	format width is zero select standard depending on descriptor.
	Call notification_std using the new standard variable.

2020-08-17  David Edelsohn  <dje.gcc@gmail.com>
	    Clement Chigot  <clement.chigot@atos.net>

	* config/t-aix: Add complementary mode object file to libcaf_single.a.

2020-08-03  Tobias Burnus  <tobias@codesourcery.com>

	* caf/single.c (_gfortran_caf_lock): Fix typo.

2020-07-26  Tobias Burnus  <tobias@codesourcery.com>

	PR target/96306
	* configure.ac: Add LIBGOMP_CHECKED_INT_KINDS and
	LIBGOMP_CHECKED_REAL_KINDS and use it for to skip
	integer kind=16 checks for amdgcn.
	* Makefile.am (kinds.h, selected_int_kind.inc,
	selected_real_kind.inc): Pass them on.
	* mk-kinds-h.sh: Takes to-be-check kinds as argument.
	* mk-sik-inc.sh: Likewise.
	* mk-srk-inc.sh: Likewise.
	* Makefile.in: Regenerate.
	* configure: Regenerate.

2020-07-24  Dominique d'Humieres  <dhumieres.dominique@free.fr>

	PR fortran/93567
	* io/write_float.def (determine_en_precision): Fix switch between
	FMT_E and FMT_F.

2020-07-24  Dominique d'Humieres  <dhumieres.dominique@free.fr>

	PR fortran/93592
	* io/write_float.def (build_float_string): Do not reset
	  nbefore for FMT_F and FMT_EN.

2020-07-14  David Edelsohn  <dje.gcc@gmail.com>

	* config/t-aix: Set BITS from compiler cpp macro.

2020-06-22  David Edelsohn  <dje.gcc@gmail.com>

	* Makefile.am: Use -include.
	* Makefile.in: Regenerate.

2020-06-21  David Edelsohn  <dje.gcc@gmail.com>

	* Makefile.am (tmake_file): Build and install AIX-style FAT libraries.
	* Makefile.in: Regenerate.
	* configure.ac (tmake_file): Substitute.
	* configure: Regenerate.
	* configure.host: Add system configury stanza. Define tmake_file.
	* config/t-aix: New file.

2020-06-13  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/95313
	* io/write.c (ztoa_big): Disable -Wstringop-overflow for one
	line.

2020-06-08  Harald Anlauf  <anlauf@gmx.de>

	PR fortran/95091
	* io/transfer.c (finalize_transfer): Fix type in error message.

2020-06-01  Uroš Bizjak  <ubizjak@gmail.com>

	PR libfortran/95418
	* config/fpu-387.h (struct fenv): Add __attribute__ ((gcc_struct)).

2020-05-29  H.J. Lu  <hjl.tools@gmail.com>

	PR bootstrap/95413
	* configure: Regenerated.

2020-05-29  Jakub Jelinek  <jakub@redhat.com>

	PR libfortran/95390
	* Makefile.am (i_findloc0_c): Add findloc0_i10.c.
	(i_findloc1_c): Add findloc1_i10.c.
	* gfortran.map (GFORTRAN_10.2): New symbol version, export
	_gfortran_{,m,s}findloc{0,1}_c10 symbols.
	* Makefile.in: Regenerated.
	* generated/findloc0_c10.c: Generated.
	* generated/findloc1_c10.c: Generated.

2020-05-28  Harald Anlauf  <anlauf@gmx.de>

	PR libfortran/95104
	* io/unit.c (unlock_unit): Guard by check for NULL pointer.

2020-05-26  Harald Anlauf  <anlauf@gmx.de>
	    Steven G. Kargl   <kargl@gcc.gnu.org>

	PR libfortran/95104
	* io/transfer.c (st_wait_async): Do not dereference NULL pointer.

2020-05-26  Harald Anlauf  <anlauf@gmx.de>

	PR fortran/95195
	* io/transfer.c (finalize_transfer): Generate runtime error for
	namelist input/output to unformatted file.

2020-05-23  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/95191
	* io/async.c (async_wait_id): Generate error if ID is higher
	than the highest current ID.
	* runtime/error.c (translate_error): Handle LIBERROR_BAD_WAIT_ID.

2020-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	* m4/matmul.m4: Don't include <config/i386/cpuinfo.h>.  Use
	__builtin_cpu_is/__builtin_cpu_supports
	* generated/matmul_c10.c: Regenerated.
	* generated/matmul_c16.c: Likewise.
	* generated/matmul_c4.c: Likewise.
	* generated/matmul_c8.c: Likewise.
	* generated/matmul_i1.c: Likewise.
	* generated/matmul_i16.c: Likewise.
	* generated/matmul_i2.c: Likewise.
	* generated/matmul_i4.c: Likewise.
	* generated/matmul_i8.c: Likewise.
	* generated/matmul_r10.c: Likewise.
	* generated/matmul_r16.c: Likewise.
	* generated/matmul_r4.c: Likewise.
	* generated/matmul_r8.c: Likewise.

2020-05-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/95147
	* configure: Regenerated.

2020-05-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/95119
	* io/close.c (close_status): Add CLOSE_INVALID.
	(st_close): Return early on invalid STATUS parameter.

2020-05-14  H.J. Lu  <hongjiu.lu@intel.com>

	* configure: Regenerated.

2020-05-06  Uroš Bizjak  <ubizjak@gmail.com>

	* config/fpu-387.h (__math_force_eval): Remove.
	(__math_force_eval_div): New define.
	(local_feraiseexcept): Use __math_force_eval_div to use
	generic division to generate INVALID, DIVZERO and INEXACT
	exceptions.
	(struct fenv): Define named struct instead of typedef.

2020-05-01  Uroš Bizjak  <ubizjak@gmail.com>

	* config/fpu-387.h (__math_force_eval): New define.
	(local_feraiseexcept): Use __math_force_eval to evaluate
	generic division to generate INVALID and DIVZERO exceptions.

2020-04-22  Fritz Reese  <foreese@gcc.gnu.org>

	* intrinsics/trigd.c, intrinsics/trigd_lib.inc, intrinsics/trigd.inc:
	Guard against unavailable math functions.
	Use suffixes from kinds.h based on the REAL kind.

2020-04-22  Jakub Jelinek  <jakub@redhat.com>

	PR libfortran/94694
	PR libfortran/94586
	* configure.ac: Add math func checks for fmaf, fma and fmal.  Add
	HAVE_INLINE_BUILTIN_COPYSIGN check.
	* c99_protos.h (copysign, fmaf, fma, fmal): Provide fallback
	prototypes.
	(HAVE_COPYSIGN, HAVE_FMAF, HAVE_FMA, HAVE_FMAL): Define if not
	defined and fallback version is provided.
	* intrinsics/c99_functions.c (copysign, fmaf, fma, fmal): Provide
	fallback implementations if possible
	* configure: Regenerated.
	* config.h.in: Regenerated.

2020-04-19  Uroš Bizjak  <ubizjak@gmail.com>

	* config/fpu-387.h (local_feraiseexcept) [__SSE_MATH__]:
	Remove unneeded assignments to volatile memory.

2020-04-01  Fritz Reese  <foreese@gcc.gnu.org>
	    Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/93871
	* Makefile.am, Makefile.in: New make rule for intrinsics/trigd.c.
	* gfortran.map: New routines for {sind, cosd, tand}X{r4, r8, r10, r16}.
	* intrinsics/trigd.c, intrinsics/trigd_lib.inc, intrinsics/trigd.inc:
	New files. Defines native degree-valued trig functions.

2020-02-18  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/93599
	* io/async.c (destroy_adv_cond): Do not destroy lock.
	(async_io): Make sure au->lock is locked for finishing of thread.
	Do not lock/unlock around signalling emptysignal. Unlock au->lock
	before return.
	(init_adv_cond): Do not initialize lock.
	(enqueue_transfer): Unlock after signal.
	(enqueue_done_id): Likewise.
	(enqueue_done): Likewise.
	(enqueue_close): Likewise.
	(enqueue_data_transfer): Likewise.
	(async_wait_id): Do not lock/unlock around signalling au->work.
	(async_wait): Unlock after signal.
	* io/async.h (SIGNAL): Add comment about needed au->lock.
	Remove locking/unlocking of advcond->lock.
	(WAIT_SIGNAL_MUTEX): Add comment. Remove locking/unlocking of
	advcond->lock.  Unlock mutex only at the end.  Loop on
	__ghread_cond_wait returning zero.
	(REVOKE_SIGNAL): Add comment. Remove locking/unlocking of
	advcond->lock.
	(struct adv_cond): Remove mutex from struct.

2020-02-12  Sandra Loosemore  <sandra@codesourcery.com>

	PR libstdc++/79193
	PR libstdc++/88999

	* configure: Regenerated.

2020-01-24  Maciej W. Rozycki  <macro@wdc.com>

	* configure.ac: Handle `--with-toolexeclibdir='.
	* Makefile.in: Regenerate.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

2020-01-17  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/93234
	* io/unit.c (set_internal_unit): Set round and sign flags
	correctly.

2020-01-17  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/90374
	* io/format.c (parse_format_list): Zero width not allowed with
	FMT_D.
	* io/write_float.def (build_float_string): Include range of
	higher exponent values that require wider width.

2020-01-01  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/90374
	* io/format.c (parse_format_list): Implement the E0 exponent
	width to provide smallest possible width for exponent fields.
	Refactor code for correct parsing and better readability of the
	code.
	* io/io.h (write_real_w0): Change interface to pass in pointer
	to fnode.
	* io/transfer.c: Update all calls to write_real_w0 to use the
	new interface.
	* io/write.c ((write_real_w0): Use the new interface with fnode
	to access both the decimal precision and exponent widths used in
	build_float_string.
	* io/write_float.def (build_float_string): Use the passed in
	exponent width to calculate the used width in the case of E0.

2020-01-01  Jakub Jelinek  <jakub@redhat.com>

	Update copyright years.

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