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gcc/libgfortran/ChangeLog
Paul Thomas 0d78e4aa06 re PR fortran/89843 (CFI_section delivers incorrect result descriptor) 
2019-04-14  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/89843
	* trans-decl.c (gfc_get_symbol_decl): Assumed shape and assumed
	rank dummies of bind C procs require deferred initialization.
	(convert_CFI_desc): New procedure to convert incoming CFI
	descriptors to gfc types and back again.
	(gfc_trans_deferred_vars): Call it.
	* trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Null the CFI
	descriptor pointer. Free the descriptor in all cases.

	PR fortran/89846
	* expr.c (is_CFI_desc): New function.
	(is_subref_array): Tidy up by referencing the symbol directly.
	* gfortran.h : Prototype for is_CFI_desc.
	* trans_array.c (get_CFI_desc): New function.
	(gfc_get_array_span, gfc_conv_scalarized_array_ref,
	gfc_conv_array_ref): Use it.
	* trans.c (get_array_span): Extract the span from descriptors
	that are indirect references.

	PR fortran/90022
	* trans-decl.c (gfc_get_symbol_decl): Make sure that the se
	expression is a pointer type before converting it to the symbol
	backend_decl type.
	* trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Eliminate
	temporary creation for intent(in).

2019-04-14  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/89843
	* gfortran.dg/ISO_Fortran_binding_4.f90: Modify the value of x
	in ctg. Test the conversion of the descriptor types in the main
	program.
	* gfortran.dg/ISO_Fortran_binding_10.f90: New test.
	* gfortran.dg/ISO_Fortran_binding_10.c: Called by it.

	PR fortran/89846
	* gfortran.dg/ISO_Fortran_binding_11.f90: New test.
	* gfortran.dg/ISO_Fortran_binding_11.c: Called by it.

	PR fortran/90022
	* gfortran.dg/ISO_Fortran_binding_1.c: Correct the indexing for
	the computation of 'ans'. Also, change the expected results for
	CFI_is_contiguous to comply with standard.
	* gfortran.dg/ISO_Fortran_binding_1.f90: Correct the expected
	results for CFI_is_contiguous to comply with standard.
	* gfortran.dg/ISO_Fortran_binding_9.f90: New test.
	* gfortran.dg/ISO_Fortran_binding_9.c: Called by it.

2019-04-14  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/89843
	* runtime/ISO_Fortran_binding.c (cfi_desc_to_gfc_desc): Only
	return immediately if the source pointer is null. Bring
	forward the extraction of the gfc type. Extract the kind so
	that the element size can be correctly computed for sections
	and components of derived type arrays. Remove the free of the
	CFI descriptor since this is now done in trans-expr.c.
	(gfc_desc_to_cfi_desc): Only allocate the CFI descriptor if it
	is not null.
	(CFI_section): Normalise the difference between the upper and
	lower bounds by the stride to correctly calculate the extents
	of the section.

	PR fortran/89846
	* runtime/ISO_Fortran_binding.c (cfi_desc_to_gfc_desc): Use
	the stride measure for the gfc span if it is not a multiple
	of the element length. Otherwise use the element length.

	PR fortran/90022
	* runtime/ISO_Fortran_binding.c (CFI_is_contiguous) : Return
	1 for true and 0 otherwise to comply with the standard. Correct
	the contiguity check for rank 3 and greater by using the stride
	measure of the lower dimension rather than the element length.

From-SVN: r270353
2019-04-14 18:14:58 +00:00

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2019-04-14 Paul Thomas <pault@gcc.gnu.org>
PR fortran/89843
* runtime/ISO_Fortran_binding.c (cfi_desc_to_gfc_desc): Only
return immediately if the source pointer is null. Bring
forward the extraction of the gfc type. Extract the kind so
that the element size can be correctly computed for sections
and components of derived type arrays. Remove the free of the
CFI descriptor since this is now done in trans-expr.c.
(gfc_desc_to_cfi_desc): Only allocate the CFI descriptor if it
is not null.
(CFI_section): Normalise the difference between the upper and
lower bounds by the stride to correctly calculate the extents
of the section.
PR fortran/89846
* runtime/ISO_Fortran_binding.c (cfi_desc_to_gfc_desc): Use
the stride measure for the gfc span if it is not a multiple
of the element length. Otherwise use the element length.
PR fortran/90022
* runtime/ISO_Fortran_binding.c (CFI_is_contiguous) : Return
1 for true and 0 otherwise to comply with the standard. Correct
the contiguity check for rank 3 and greater by using the stride
measure of the lower dimension rather than the element length.
2019-03-25 John David Anglin <danglin@gcc.gnu.org>
PR libgfortran/79540
* io/write_float.def (build_float_string): Don't copy digits when
ndigits is negative.
2019-03-05 Jakub Jelinek <jakub@redhat.com>
PR libgfortran/89593
* caf/single.c (_gfortran_caf_sendget_by_ref): Cast &temp to
gfc_descriptor_t * to avoid warning.
2019-02-26 Uroš Bizjak <ubizjak@gmail.com>
* io/transfer.c (transfer_array_inner): Do not
cast charlen to index_type.
2019-02-25 Dominique d'Humieres <dominiq@gcc.gnu.org>
PR libfortran/89274
* io/write.c (write_integer): Add width for INTEGER(16).
2019-02-23 Paul Thomas <pault@gcc.gnu.org>
PR fortran/89385
PR fortran/89366
* runtime/ISO_Fortran_binding.c (cfi_desc_to_gfc_desc) : In the
interchange between character and derived, the character type
was being set incorrectly.
(gfc_desc_to_cfi_desc) : Eliminate the interchange of types in
this function. Do not add the kind and length information to
the type field of structures. Lbounds were incorrectly being
set to zero for allocatable and pointer descriptors. Should
have been non-pointer, non-allocatables that received this
treatment.
2019-01-30 Uroš Bizjak <ubizjak@gmail.com>
PR libfortran/88678
Revert:
2016-11-16 Szabolcs Nagy <szabolcs.nagy@arm.com>
PR libfortran/78314
* config/fpu-glibc.h (support_fpu_trap): Use feenableexcept.
2019-01-30 Uroš Bizjak <ubizjak@gmail.com>
PR libfortran/88678
* config/fpu-glibc.h (set_fpu_trap_exceptions): Clear stalled
exception flags before changing trap mode. Optimize to call
feenableexcept and fedisableexcept only once.
2019-01-28 Sebastian Huber <sebastian.huber@embedded-brains.de>
* io/async.c (init_adv_cond): Use __GTHREAD_COND_INIT_FUNCTION().
2019-01-27 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/89020
* io/close.c (st_close): Simplify text of error message to not
presume a specific cause of failure to remove file.
2019-01-26 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/89020
* io/close.c (st_close): Fix typo.
2019-01-26 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/89020
* io/close.c (st_close): Generate error if calls to 'remove' return
an error.
2019-01-17 Andrew Stubbs <ams@codesourcery.com>
Kwok Cheung Yeung <kcy@codesourcery.com>
Julian Brown <julian@codesourcery.com>
Tom de Vries <tom@codesourcery.com>
* configure.ac: Use minimal mode for amdgcn.
* configure: Regenerate.
2019-01-13 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/88776
* io/open.c (newunit): Free format buffer if the unit specified is for
stdin, stdout, or stderr.
2019-01-12 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR libfortran/88776
* io/list_read.c (namelist_read): Use nml_err_ret path on read error
not based on stdin_unit.
2019-01-12 Paul Thomas <pault@gcc.gnu.org>
* ISO_Fortran_binding.h : New file.
* Makefile.am : Include ISO_Fortran_binding.c in the list of
files to compile.
* Makefile.in : Regenerated.
* gfortran.map : Add _gfortran_cfi_desc_to_gfc_desc,
_gfortran_gfc_desc_to_cfi_desc and the CFI API functions.
* runtime/ISO_Fortran_binding.c : New file containing the new
functions added to the map.
2019-01-12 Jakub Jelinek <jakub@redhat.com>
PR libfortran/88807
* m4/minloc0.m4: Reindent to avoid -Wmisleading-indentation warnings.
* generated/minloc0_4_i1.c: Regenerated.
* generated/minloc0_4_i2.c: Regenerated.
* generated/minloc0_4_i4.c: Regenerated.
* generated/minloc0_4_i8.c: Regenerated.
* generated/minloc0_4_i16.c: Regenerated.
* generated/minloc0_4_r4.c: Regenerated.
* generated/minloc0_4_r8.c: Regenerated.
* generated/minloc0_4_r10.c: Regenerated.
* generated/minloc0_4_r16.c: Regenerated.
* generated/minloc0_8_i1.c: Regenerated.
* generated/minloc0_8_i2.c: Regenerated.
* generated/minloc0_8_i4.c: Regenerated.
* generated/minloc0_8_i8.c: Regenerated.
* generated/minloc0_8_i16.c: Regenerated.
* generated/minloc0_8_r4.c: Regenerated.
* generated/minloc0_8_r8.c: Regenerated.
* generated/minloc0_8_r10.c: Regenerated.
* generated/minloc0_8_r16.c: Regenerated.
* generated/minloc0_16_i1.c: Regenerated.
* generated/minloc0_16_i2.c: Regenerated.
* generated/minloc0_16_i4.c: Regenerated.
* generated/minloc0_16_i8.c: Regenerated.
* generated/minloc0_16_i16.c: Regenerated.
* generated/minloc0_16_r4.c: Regenerated.
* generated/minloc0_16_r8.c: Regenerated.
* generated/minloc0_16_r10.c: Regenerated.
* generated/minloc0_16_r16.c: Regenerated.
2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
PR other/16615
* caf/single.c: Mechanically replace "can not" with "cannot".
* io/unit.c: Likewise.
2019-01-07 Thomas Koenig <tkoenig@gcc.gnu.org>
Harald Anlauf <anlauf@gmx.de>
Tobias Burnus <burnus@gcc.gnu.org>
PR fortran/45424
* Makefile.am: Add intrinsics/is_contiguous.c.
* Makefile.in: Regenerated.
* gfortran.map: Add _gfortran_is_contiguous0.
* intrinsics/is_contiguous.c: New file.
* libgfortran.h: Add prototype for is_contiguous0.
2019-01-07 Janne Blomqvist <jb@gcc.gnu.org>
* gfortran.map (GFORTRAN_9): Make GFORTRAN_9 node depend on
GFORTRAN_8.
2019-01-01 Jakub Jelinek <jakub@redhat.com>
Update copyright years.
Copyright (C) 2019 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
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