gcc/libgfortran/ChangeLog-2021

2021-12-31  Iain Sandoe  <iain@sandoe.co.uk>

	* runtime/string.c (gfc_itoa): Use _Static_assert directly
	instead of via the static_assert macro.

2021-12-29  Francois-Xavier Coudert  <fxcoudert@gmail.com>

	* ieee/ieee_helper.c: Fix enum values.

2021-12-27  Francois-Xavier Coudert  <fxcoudert@gmail.com>

	PR libfortran/98076
	* runtime/string.c (gfc_itoa): Use two args for static_assert().

2021-12-26  Francois-Xavier Coudert  <fxcoudert@gmail.com>

	PR libfortran/98076
	* runtime/string.c (itoa64, itoa64_pad19): New helper functions.
	(gfc_itoa): On targets with 128-bit integers, call fast
	64-bit functions to avoid many slow divisions.

2021-12-25  Francois-Xavier Coudert  <fxcoudert@gmail.com>

	PR libfortran/81986
	PR libfortran/99191
	* libgfortran.h: Remove gfc_xtoa(), adjust gfc_itoa() and
	GFC_ITOA_BUF_SIZE.
	* io/write.c (write_decimal): conversion parameter is always
	gfc_itoa(), so remove it. Protect from overflow.
	(xtoa): Move gfc_xtoa and update its name.
	(xtoa_big): Renamed from ztoa_big for consistency.
	(write_z): Adjust to new function names.
	(write_i, write_integer): Remove last arg of write_decimal.
	* runtime/backtrace.c (error_callback): Comment on the use of
	gfc_itoa().
	* runtime/error.c (gfc_xtoa): Move to io/write.c.
	* runtime/string.c (gfc_itoa): Take an unsigned argument,
	remove the handling of negative values.

2021-12-22  Francois-Xavier Coudert  <fxcoudert@gmail.com>

	* kinds-override.h: Move GFC_REAL_16_IS_* macros...
	* mk-kinds-h.sh: ... here.

2021-12-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>

	* configure.host: Add aarch64-apple-darwin support.
	* config/fpu-aarch64.h: New file.

2021-12-18  François-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	* libgfortran.h: include ctype.h, provide safe macros.
	* io/format.c: use safe macros.
	* io/list_read.c: use safe macros.
	* io/read.c: use safe macros.
	* io/write.c: use safe macros.
	* runtime/environ.c: use safe macros.

2021-12-16  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	* io/file_pos.c: Fix error code.

2021-12-16  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	* intrinsics/time_1.h: Prefer clock_gettime() over
	  gettimeofday().
	* intrinsics/date_and_time.c: Fix timezone wrapping.

2021-12-14  Harald Anlauf  <anlauf@gmx.de>

	PR libfortran/103634
	* intrinsics/pack_generic.c (pack_internal): Handle case when the
	array argument of PACK has one or more extents of size zero to
	avoid invalid reads.

2021-10-18  Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/102086
	PR fortran/92189
	PR fortran/92621
	PR fortran/101308
	PR fortran/101309
	PR fortran/101635
	PR fortran/92482
	* ISO_Fortran_binding.h (CFI_type_cfunptr): Make unique type again.
	* runtime/ISO_Fortran_binding.c (cfi_desc_to_gfc_desc,
	gfc_desc_to_cfi_desc): Add comment that those are no longer called
	by new code.

2021-09-27  Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/94070
	* intrinsics/size.c (size0, size1): Comment that now not
	used by newer compiler code.

2021-09-26  Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/101334
	* intrinsics/associated.c (associated): Also check for same rank.

2021-09-22  Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/55534
	* configure.ac (AM_FCFLAGS): Revert r12-3722 by removing
	-Wno-missing-include-dirs.
	* configure: Regenerate.

2021-09-21  Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/55534
	* configure.ac (AM_FCFLAGS): Add -Wno-missing-include-dirs.
	* configure: Regenerate.

2021-09-17  Sandra Loosemore  <sandra@codesourcery.com>

	* ISO_Fortran_binding.h: Update comments.
	* runtime/ISO_Fortran_binding.c: Likewise.

2021-09-17  Sandra Loosemore  <sandra@codesourcery.com>
	    Tobias Burnus  <tobias@codesourcery.com>

	* ISO_Fortran_binding.h: Only include float.h if the C compiler
	doesn't have predefined __LDBL_* and __DBL_* macros. Handle
	LDBL_MANT_DIG == 53 for FreeBSD.

2021-09-13  Andreas Schwab  <schwab@linux-m68k.org>

	* ISO_Fortran_binding.h (CFI_type_long_double)
	(CFI_type_long_double_Complex) [LDBL_MANT_DIG == 64 &&
	LDBL_MIN_EXP == -16382 && LDBL_MAX_EXP == 16384]: Define.

2021-09-07  Tobias Burnus  <tobias@codesourcery.com>

	* Makefile.am (gfor_built_src): Depend on
	include/ISO_Fortran_binding.h not on ISO_Fortran_binding.h.
	(ISO_Fortran_binding.h): Rename make target to ...
	(include/ISO_Fortran_binding.h): ... this.
	* Makefile.in: Regenerate.

2021-09-07  Sandra Loosemore  <sandra@codesourcery.com>

	* ISO_Fortran_binding-1-tmpl.h: Deleted.
	* ISO_Fortran_binding-2-tmpl.h: Deleted.
	* ISO_Fortran_binding-3-tmpl.h: Deleted.
	* ISO_Fortran_binding.h: New file to replace the above.
	* Makefile.am (gfor_cdir): Remove MULTISUBDIR.
	(ISO_Fortran_binding.h): Simplify to just copy the file.
	* Makefile.in: Regenerated.
	* mk-kinds-h.sh: Revert pieces no longer needed for
	ISO_Fortran_binding.h.

2021-09-02  Sandra Loosemore  <sandra@codesourcery.com>
	    José Rui Faustino de Sousa  <jrfsousa@gmail.com>

	PR fortran/100907
	PR fortran/100911
	PR fortran/100914
	PR fortran/100915
	PR fortran/100917
	* ISO_Fortran_binding-1-tmpl.h (CFI_type_cfunptr): Make equivalent
	to CFI_type_cptr.
	* runtime/ISO_Fortran_binding.c (cfi_desc_to_gfc_desc): Fix
	handling of CFI_type_cptr and CFI_type_cfunptr.  Additional error
	checking and code cleanup.
	(gfc_desc_to_cfi_desc): Likewise.  Also correct kind mapping
	for character, complex, and long double types.

2021-08-27  Iain Sandoe  <iain@sandoe.co.uk>

	* Makefile.am: Use configured libm availability.
	* Makefile.in: Regenerate.
	* configure: Regenerate.
	* configure.ac: Use libtool macro to find libm availability.
	* libgfortran.spec.in: Use configured libm availability.

2021-08-10  Tobias Burnus  <tobias@codesourcery.com>

	PR libfortran/101305
	PR fortran/101660
	PR testsuite/101847
	* Makefile.am (ISO_Fortran_binding.h): Create include/ in the build dir
	and copy the include file to it.
	(clean-local): Add for removing the 'include' directory.
	* Makefile.in: Regenerate.

2021-07-28  Sandra Loosemore  <sandra@codesourcery.com>

	PR libfortran/101317
	* runtime/ISO_Fortran_binding.c: Include <inttypes.h>.
	(CFI_address): Tidy error messages and comments.
	(CFI_allocate): Likewise.
	(CFI_deallocate): Likewise.
	(CFI_establish): Likewise.  Add new checks for validity of
	elem_len when it's used, plus type argument and extents.
	(CFI_is_contiguous): Tidy error messages and comments.
	(CFI_section): Likewise.  Refactor some repetitive code to
	make it more understandable.
	(CFI_select_part): Likewise.
	(CFI_setpointer): Likewise.  Check that source is not an
	unallocated allocatable array or an assumed-size array.

2021-07-28  Sandra Loosemore  <sandra@codesourcery.com>

	PR libfortran/101310
	* runtime/ISO_Fortran_binding.c (CFI_section): Fix the base
	address computation and simplify the code.

2021-07-28  Sandra Loosemore  <sandra@codesourcery.com>

	PR libfortran/101305
	* runtime/ISO_Fortran_binding.c (CFI_establish): Special-case
	CFI_type_cptr and CFI_type_cfunptr.  Correct size of long double
	on targets where it has kind 10.

2021-07-28  Sandra Loosemore  <sandra@codesourcery.com>
	    Tobias Burnus  <tobias@codesourcery.com>

	PR libfortran/101305
	* ISO_Fortran_binding.h: Fix hard-coded sizes and split into...
	* ISO_Fortran_binding-1-tmpl.h: New file.
	* ISO_Fortran_binding-2-tmpl.h: New file.
	* ISO_Fortran_binding-3-tmpl.h: New file.
	* Makefile.am: Add rule for generating ISO_Fortran_binding.h.
	Adjust pathnames to that file.
	* Makefile.in: Regenerated.
	* mk-kinds-h.sh: New file.
	* runtime/ISO_Fortran_binding.c: Fix include path.

2021-07-26  José Rui Faustino de Sousa  <jrfsousa@gmail.com>
	    Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/93308
	PR fortran/93963
	PR fortran/94327
	PR fortran/94331
	PR fortran/97046
	* runtime/ISO_Fortran_binding.c (cfi_desc_to_gfc_desc): Add code
	to verify the descriptor. Correct bounds calculation.
	(gfc_desc_to_cfi_desc): Add code to verify the descriptor.

2021-07-22  Sandra Loosemore  <sandra@codesourcery.com>

	* runtime/ISO_Fortran_binding.c (CFI_allocate): Don't use elem_len
	for CFI_type_signed_char.
	(CFI_select_part): Likewise.

2021-07-01  Tobias Burnus  <tobias@codesourcery.com>
	    Sandra Loosemore  <sandra@codesourcery.com>

	* runtime/ISO_Fortran_binding.c (cfi_desc_to_gfc_desc):
	Initialize version field to 0.
	(gfc_desc_to_cfi_desc): Initialize version field to CFI_VERSION.

2021-06-29  Julian Brown  <julian@codesourcery.com>

	PR target/96306
	* configure.ac: Remove stanza that removes KIND=16 integers for AMD GCN.
	* configure: Regenerate.

2021-06-22  Sandra Loosemore  <sandra@codesourcery.com>
	    Tobias Burnus  <tobias@codesourcery.com>

	PR fortran/93524
	* runtime/ISO_Fortran_binding.c (CFI_allocate): Fix
	sm computation.

2021-06-08  Martin Liska  <mliska@suse.cz>

	* intrinsics/chmod.c (chmod_internal): Fix typo.
	* io/transfer.c (read_sf): Likewise.

2021-06-05  José Rui Faustino de Sousa  <jrfsousa@gmail.com>

	PR fortran/100120
	* intrinsics/associated.c (associated): have associated verify if
	the "span" matches insted of the "elem_len".
	* libgfortran.h (GFC_DESCRIPTOR_SPAN): add macro to retrive the
	descriptor "span".

2021-05-22  Andre Vehreschild  <vehre@gcc.gnu.org>

	PR fortran/98301
	* caf/libcaf.h (_gfortran_caf_random_init): New function.
	* caf/single.c (_gfortran_caf_random_init): New function.
	* gfortran.map: Added fndecl.
	* intrinsics/random_init.f90: Implement random_init.

2021-05-05  Tobias Burnus  <tobias@codesourcery.com>

	* intrinsics/chmod.c (chmod_internal): Only declare mode_mask var
	if HAVE_UMASK.

2021-05-02  Tobias Burnus  <tobias@codesourcery.com>

	PR libgomp/100352
	* io/transfer.c (st_read_done_worker, st_write_done_worker): Add new
	arg whether to unlock unit.
	(st_read_done, st_write_done): Call it with true.
	* io/async.c (async_io): Call it with false.
	* io/io.h (st_write_done_worker, st_read_done_worker): Update prototype.

2021-03-12  Tobias Burnus  <tobias@codesourcery.com>

	* io/transfer.c (st_read_done_worker, st_write_done_worker):
	Call unlock_unit here, add unit_lock lock around newunit_free call.
	(st_read_done, st_write_done): Only call unlock_unit when not
	calling the worker function.
	* io/unit.c (set_internal_unit): Don't reset the unit_number
	to the same number as this cause race warnings.

2021-03-05  Harald Anlauf  <anlauf@gmx.de>

	PR libfortran/99218
	* m4/matmul_internal.m4: Invoke tuned matmul only for rank(b)>1.
	* 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.

2021-03-03  Vittorio Zecca  <zeccav@gmail.com>
	    Tobias Burnus  <tobias@codesourcery.com>

	PR libfortran/81986
	* runtime/string.c (gfc_itoa): Cast to unsigned before
	negating.

2021-02-12  Steve Kargl  <sgk@troutmask.apl.washington.edu>

	PR libfortran/95647
	* ieee/ieee_arithmetic.F90: Flip interfaces of operators .eq. to
	== and .ne. to /= .

2021-02-11  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/98825
	* io/transfer.c (next_record_w): Insert check for seen_dollar and if
	so, skip issueing next record.

2021-01-27  Harris Snyder  <hsnyder@structura.bio>

	* runtime/ISO_Fortran_binding.c (CFI_establish): fixed
	strides for rank >2 arrays.

2021-01-15  Harris Snyder  <hsnyder@structura.bio>

	* runtime/ISO_Fortran_binding.c (CFI_establish): Fixed signed
	  char arrays. Signed char or uint8_t arrays would cause
	  crashes unless an element size is specified.

2021-01-05  Samuel Thibault  <samuel.thibault@ens-lyon.org>

	* configure: Re-generate.

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

	* ChangeLog-2020: Rotate ChangeLog.  New file.

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