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Rotate ChangeLog files - part 1 - add ChangeLog-2020. 

2021-01-01  Jakub Jelinek  <jakub@redhat.com>

gcc/
	* ChangeLog-2020: Rotate ChangeLog.  New file.
gcc/ada/
	* ChangeLog-2020: Rotate ChangeLog.  New file.
gcc/cp/
	* ChangeLog-2020: Rotate ChangeLog.  New file.
gcc/d/
	* ChangeLog-2020: Rotate ChangeLog.  New file.
gcc/fortran/
	* ChangeLog-2020: Rotate ChangeLog.  New file.
gcc/testsuite/
	* ChangeLog-2020: Rotate ChangeLog.  New file.
libgfortran/
	* ChangeLog-2020: Rotate ChangeLog.  New file.
libstdc++-v3/
	* ChangeLog-2020: Rotate ChangeLog.  New file.
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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.
Copyright (C) 2020 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.

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