[thirdparty/gcc.git] / gcc / fortran / ChangeLog

2019-01-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/88929
	* trans-array.c (gfc_conv_descriptor_elem_len): New function.
	* trans-array.h : Add prototype for above.
	* trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Take account of
	assumed rank arrays being flagged by rank = -1 in expressions.
	Intent in arrays need a pointer to a copy of the data to be
	assigned to the descriptor passed for conversion. This should
	then be freed, together with the CFI descriptor on return from
	the C call.

2019-01-22  Harald Anlauf  <anlauf@gmx.de>

	PR fortran/88579
	* trans-expr.c (gfc_conv_power_op): Handle cases of (2**e) ** integer
	and (- 2**e) ** integer.

2019-01-19  Dominique d'Humieres  <dominiq@gcc.gnu.org>

	PR fortran/37835
	* resolve.c (resolve_types): Add !flag_automatic.
	* symbol.c (gfc_add_save): Silence warnings.

2019-01-19  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77960
	* io.c (match_io_element): input-item cannot be an external function.

2018-01-19  Thomas Koenig  <tkoenig@gcc.gnu.org>
	Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/56789
	* trans-expr.c (gfc_conv_procedure_call): Call
	gfc_conv_subref_array_arg if the formal arg is contiguous
	and the actual arg may not be.

2019-01-17  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/88871
	* resolve.c (resolve_ref): Fix logic for removal of
	reference.

2019-01-19  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/88902
	* trans-decl.c (gfc_get_symbol_decl): Don't add length to function
	or parent function if it has been added there already.

2019-01-15  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/43136
	* resolve.c (resolve_array_ref): Add equal_length argument; set it
	if the length of the substring equals that of the orignal
	variable.
	(resolve_ref): Remove the substring if it is equal in length to
	the original variable, unless it is an EXPR_SUBSTRING).

2019-01-15  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/81849
	* resolve.c (resolve_symbol): Host associated varaibles can appear
	in the specification statement of a RESULT array.

2019-01-15  Paul Thomas  <pault@gcc.gnu.org>

	* trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Deal with exprs
	that are indirect references; ie. dummy arguments.

2019-01-13  Dominique d'Humieres  <dominiq@gcc.gnu.org>

	PR fortran/88803
	* gfortran.texi: Replace @xref with @ref and adjust the sentence.

2019-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/57992
	* trans-array.c (gfc_conv_array_parameter): Do not pack/unpack
	functions with contiguous results.

2019-01-13  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/59345
	* trans-array.c (gfc_conv_array_parameter): Remove TODO.  Do not
	pack/unpack results of functions which return an explicit-shaped
	or allocatable array.

2019-01-12  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/61765
	* resolve.c (gfc_verify_binding_labels): Break if-elseif-elseif
	structure into independent if's with a return to simplify logic.
	Avoid a check for ENTRY name with bind(c).

2019-01-12  Paul Thomas  <pault@gcc.gnu.org>

	* gfortran.texi: Add description in sections on TS 29113 and
	further interoperability with C.
	* trans-array.c (gfc_conv_descriptor_attribute): New function.
	(gfc_get_dataptr_offset): Remove static function attribute.
	* trans-array.h: Add prototypes for above functions.
	* trans-decl.c: Add declarations for the library functions
	cfi_desc_to_gfc_desc and gfc_desc_to_cfi_desc.
	* trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): New function.
	(gfc_conv_procedure_call): Call it for scalar and array actual
	arguments, when the formal arguments are bind_c with assumed
	shape or assumed rank.
	* trans.h: External declarations for gfor_fndecl_cfi_to_gfc
	and gfor_fndecl_gfc_to_cfi.

2019-01-11  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/35031
	* decl.c (gfc_match_entry): Check for F2018:C1546.  Fix nearby
	mis-indentation.

2019-01-11  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/85956
	PR lto/88733
	* trans-openmp.c: Include attribs.h.
	(gfc_walk_alloc_comps, gfc_omp_clause_linear_ctor): Handle
	VAR_DECL max bound with "omp dummy var" attribute like NULL or
	error_mark_node - recompute number of elts independently.

2019-01-11  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/59345
	* trans-array.c (gfc_conv_parameter_array): Temporary
	arrays generated for expressions do not need to be repacked.

2019-01-10  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/86322
	* decl.c (top_var_list): Set locus of expr.
	(gfc_match_data): Detect pointer on non-rightmost part-refs.

2019-01-09  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/88376
	* resolve.c (is_illegal_recursion): Remove an assert().

2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>

	PR other/16615
	* expr.c: Change "can not" to "cannot".

2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>

	PR other/16615
	* class.c: Mechanically replace "can not" with "cannot".
	* decl.c: Likewise.
	* expr.c: Likewise.
	* gfc-internals.texi: Likewise.
	* intrinsic.texi: Likewise.
	* invoke.texi: Likewise.
	* io.c: Likewise.
	* match.c: Likewise.
	* parse.c: Likewise.
	* primary.c: Likewise.
	* resolve.c: Likewise.
	* symbol.c: Likewise.
	* trans-array.c: Likewise.
	* trans-decl.c: Likewise.
	* trans-intrinsic.c: Likewise.
	* trans-stmt.c: Likewise.

2019-01-09  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/68426
	* simplify.c (gfc_simplify_spread): Also simplify if the
	type of source is an EXPR_STRUCTURE.

2019-01-08  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/88047
	* class.c (gfc_find_vtab): For polymorphic typespecs, the components of
	the class container may not be available (in case of invalid code).

2019-01-08  Richard Biener  <rguenther@suse.de>

	PR fortran/88611
	* trans-expr.c (gfc_conv_initializer): For ISOCBINDING_NULL_*
	directly build the expected GENERIC tree.

2019-01-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
	Harald Anlauf <anlauf@gmx.de>
	Tobias Burnus <burnus@gcc.gnu.org>

	PR fortran/45424
	* check.c (gfc_check_is_contiguous): New function.
	* expr.c (gfc_is_not_contiguous): New function.
	* gfortran.h (gfc_isym_id): Add GFC_ISYM_IS_CONTIGUOUS.
	Add prototype for gfc_is_not_contiguous.
	* intrinsic.c (do_ts29113_check): Add GFC_ISYM_IS_CONTIGUOUS.
	(add_function): Add is_contiguous.
	* intrinsic.h: Add prototypes for gfc_check_is_contiguous,
	gfc_simplify_is_contiguous and gfc_resolve_is_contiguous.
	* intrinsic.texi: Add IS_CONTIGUOUS.
	* iresolve.c (gfc_resolve_is_contiguous): New function.
	* simplify.c (gfc_simplify_is_contiguous): New function.
	* trans-decl.c (gfor_fncecl_is_contiguous0): New variable.
	(gfc_build_intrinsic_function_decl): Add it.
	* trans-intrinsic.c (gfc_conv_intrinsic_is_contiguous): New
	function.
	(gfc_conv_intrinsic_function): Handle GFC_ISYM_IS_CONTIGUOUS.

2019-01-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/88658
	* gfortran.h: Add macro gfc_real_4_kind
	* simplify.c (simplify_min_max): Special case for the types of
	AMAX0, AMIN0, MAX1 and MIN1, which actually change the types of
	their arguments.

2019-01-05  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/88009
	* class.c (gfc_find_derived_vtab): Mark the _final component as
	artificial.
	(find_intrinsic_vtab): Ditto. Also add an extra check to avoid
	dereferencing a null pointer and adjust indentation.
	* resolve.c (resolve_fl_variable): Add extra check to avoid
	dereferencing a null pointer. Move variable declarations to local scope.
	(resolve_fl_procedure): Add extra check to avoid dereferencing a null
	pointer.
	* symbol.c (check_conflict): Suppress errors for artificial symbols.

2019-01-01  Steven G. Kargl  <kargl@gcc.gnu.org>

	* parse.c (decode_statement): Suppress "Unclassifiable statement"
	error if previous error messages were emittes.

2019-01-01  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/82743
	* primary.c (gfc_convert_to_structure_constructor): If a character
	in a constructor is too long, add a  warning with
	-Wcharacter-truncation.

2019-01-01  Jakub Jelinek  <jakub@redhat.com>

	Update copyright years.

	* gfortranspec.c (lang_specific_driver): Update copyright notice
	dates.
	* gfc-internals.texi: Bump @copying's copyright year.
	* gfortran.texi: Ditto.
	* intrinsic.texi: Ditto.
	* invoke.texi: Ditto.
\f
Copyright (C) 2019 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.
Commit	Line	Data
297fd295	1	2019-01-24 Paul Thomas <pault@gcc.gnu.org>
	2
	3	PR fortran/88929
	4	* trans-array.c (gfc_conv_descriptor_elem_len): New function.
	5	* trans-array.h : Add prototype for above.
	6	* trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Take account of
	7	assumed rank arrays being flagged by rank = -1 in expressions.
	8	Intent in arrays need a pointer to a copy of the data to be
	9	assigned to the descriptor passed for conversion. This should
	10	then be freed, together with the CFI descriptor on return from
	11	the C call.
	12
4348a41f	13	2019-01-22 Harald Anlauf <anlauf@gmx.de>
	14
	15	PR fortran/88579
	16	* trans-expr.c (gfc_conv_power_op): Handle cases of (2e) integer
	17	and (- 2e) integer.
	18
c81c2702	19	2019-01-19 Dominique d'Humieres <dominiq@gcc.gnu.org>
	20
	21	PR fortran/37835
	22	* resolve.c (resolve_types): Add !flag_automatic.
	23	* symbol.c (gfc_add_save): Silence warnings.
	24
19081b87	25	2019-01-19 Steven G. Kargl <kargl@gcc.gnu.org>
	26
	27	PR fortran/77960
	28	* io.c (match_io_element): input-item cannot be an external function.
4348a41f	29
b7e6520a	30	2018-01-19 Thomas Koenig <tkoenig@gcc.gnu.org>
	31	Paul Thomas <pault@gcc.gnu.org>
	32
	33	PR fortran/56789
	34	* trans-expr.c (gfc_conv_procedure_call): Call
	35	gfc_conv_subref_array_arg if the formal arg is contiguous
	36	and the actual arg may not be.
	37
66f2cfae	38	2019-01-17 Thomas Koenig <tkoenig@gcc.gnu.org>
	39
	40	PR fortran/88871
	41	* resolve.c (resolve_ref): Fix logic for removal of
	42	reference.
	43
7b60c131	44	2019-01-19 Jakub Jelinek <jakub@redhat.com>
	45
	46	PR fortran/88902
	47	* trans-decl.c (gfc_get_symbol_decl): Don't add length to function
	48	or parent function if it has been added there already.
	49
0b953692	50	2019-01-15 Thomas Koenig <tkoenig@gcc.gnu.org>
0b953692	51
a96be852	52	PR fortran/43136
0b953692	53	* resolve.c (resolve_array_ref): Add equal_length argument; set it
	54	if the length of the substring equals that of the orignal
	55	variable.
	56	(resolve_ref): Remove the substring if it is equal in length to
	57	the original variable, unless it is an EXPR_SUBSTRING).
	58
ef1b2a98	59	2019-01-15 Steven G. Kargl <kargl@gcc.gnu.org>
	60
	61	PR fortran/81849
	62	* resolve.c (resolve_symbol): Host associated varaibles can appear
	63	in the specification statement of a RESULT array.
	64
8f563733	65	2019-01-15 Paul Thomas <pault@gcc.gnu.org>
	66
	67	* trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): Deal with exprs
	68	that are indirect references; ie. dummy arguments.
	69
0cc7cbe4	70	2019-01-13 Dominique d'Humieres <dominiq@gcc.gnu.org>
	71
	72	PR fortran/88803
	73	* gfortran.texi: Replace @xref with @ref and adjust the sentence.
	74
70409dee	75	2019-01-13 Thomas Koenig <tkoenig@gcc.gnu.org>
	76
	77	PR fortran/57992
7b60c131	78	* trans-array.c (gfc_conv_array_parameter): Do not pack/unpack
70409dee	79	functions with contiguous results.
70409dee	80
ae57d8c7	81	2019-01-13 Thomas Koenig <tkoenig@gcc.gnu.org>
	82
	83	PR fortran/59345
	84	* trans-array.c (gfc_conv_array_parameter): Remove TODO. Do not
	85	pack/unpack results of functions which return an explicit-shaped
	86	or allocatable array.
	87
c8f3fe68	88	2019-01-12 Steven G. Kargl <kargl@gcc.gnu.org>
	89
	90	PR fortran/61765
	91	* resolve.c (gfc_verify_binding_labels): Break if-elseif-elseif
	92	structure into independent if's with a return to simplify logic.
	93	Avoid a check for ENTRY name with bind(c).
	94
77ddff12	95	2019-01-12 Paul Thomas <pault@gcc.gnu.org>
77ddff12	96
7b60c131	97	* gfortran.texi: Add description in sections on TS 29113 and
77ddff12	98	further interoperability with C.
	99	* trans-array.c (gfc_conv_descriptor_attribute): New function.
	100	(gfc_get_dataptr_offset): Remove static function attribute.
7b60c131	101	* trans-array.h: Add prototypes for above functions.
7b60c131	102	* trans-decl.c: Add declarations for the library functions
77ddff12	103	cfi_desc_to_gfc_desc and gfc_desc_to_cfi_desc.
	104	* trans-expr.c (gfc_conv_gfc_desc_to_cfi_desc): New function.
	105	(gfc_conv_procedure_call): Call it for scalar and array actual
	106	arguments, when the formal arguments are bind_c with assumed
	107	shape or assumed rank.
7b60c131	108	* trans.h: External declarations for gfor_fndecl_cfi_to_gfc
77ddff12	109	and gfor_fndecl_gfc_to_cfi.
77ddff12	110
0e8475b7	111	2019-01-11 Steven G. Kargl <kargl@gcc.gnu.org>
	112
	113	PR fortran/35031
	114	* decl.c (gfc_match_entry): Check for F2018:C1546. Fix nearby
	115	mis-indentation.
	116
45b37eaa	117	2019-01-11 Jakub Jelinek <jakub@redhat.com>
	118
	119	PR middle-end/85956
	120	PR lto/88733
	121	* trans-openmp.c: Include attribs.h.
	122	(gfc_walk_alloc_comps, gfc_omp_clause_linear_ctor): Handle
	123	VAR_DECL max bound with "omp dummy var" attribute like NULL or
	124	error_mark_node - recompute number of elts independently.
	125
04afaf6a	126	2019-01-11 Thomas Koenig <tkoenig@gcc.gnu.org>
	127
	128	PR fortran/59345
45b37eaa	129	* trans-array.c (gfc_conv_parameter_array): Temporary
04afaf6a	130	arrays generated for expressions do not need to be repacked.
04afaf6a	131
15cbe83d	132	2019-01-10 Steven G. Kargl <kargl@gcc.gnu.org>
	133
	134	PR fortran/86322
	135	* decl.c (top_var_list): Set locus of expr.
	136	(gfc_match_data): Detect pointer on non-rightmost part-refs.
	137
e66b219e	138	2019-01-09 Steven G. Kargl <kargl@gcc.gnu.org>
	139
	140	PR fortran/88376
	141	* resolve.c (is_illegal_recursion): Remove an assert().
	142
07c11f2b	143	2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
	144
	145	PR other/16615
07c11f2b	146	* expr.c: Change "can not" to "cannot".
07c11f2b	147
f4d3c071	148	2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
	149
	150	PR other/16615
f4d3c071	151	* class.c: Mechanically replace "can not" with "cannot".
	152	* decl.c: Likewise.
	153	* expr.c: Likewise.
	154	* gfc-internals.texi: Likewise.
	155	* intrinsic.texi: Likewise.
	156	* invoke.texi: Likewise.
	157	* io.c: Likewise.
	158	* match.c: Likewise.
	159	* parse.c: Likewise.
	160	* primary.c: Likewise.
	161	* resolve.c: Likewise.
	162	* symbol.c: Likewise.
	163	* trans-array.c: Likewise.
	164	* trans-decl.c: Likewise.
	165	* trans-intrinsic.c: Likewise.
	166	* trans-stmt.c: Likewise.
	167
9f096803	168	2019-01-09 Thomas Koenig <tkoenig@gcc.gnu.org>
	169
	170	PR fortran/68426
	171	* simplify.c (gfc_simplify_spread): Also simplify if the
	172	type of source is an EXPR_STRUCTURE.
	173
d56370db	174	2019-01-08 Janus Weil <janus@gcc.gnu.org>
	175
	176	PR fortran/88047
	177	* class.c (gfc_find_vtab): For polymorphic typespecs, the components of
	178	the class container may not be available (in case of invalid code).
	179
ac64cdbe	180	2019-01-08 Richard Biener <rguenther@suse.de>
	181
	182	PR fortran/88611
	183	* trans-expr.c (gfc_conv_initializer): For ISOCBINDING_NULL_*
	184	directly build the expected GENERIC tree.
	185
5f34f219	186	2019-01-07 Thomas Koenig <tkoenig@gcc.gnu.org>
	187	Harald Anlauf <anlauf@gmx.de>
	188	Tobias Burnus <burnus@gcc.gnu.org>
	189
	190	PR fortran/45424
	191	* check.c (gfc_check_is_contiguous): New function.
	192	* expr.c (gfc_is_not_contiguous): New function.
	193	* gfortran.h (gfc_isym_id): Add GFC_ISYM_IS_CONTIGUOUS.
	194	Add prototype for gfc_is_not_contiguous.
	195	* intrinsic.c (do_ts29113_check): Add GFC_ISYM_IS_CONTIGUOUS.
	196	(add_function): Add is_contiguous.
	197	* intrinsic.h: Add prototypes for gfc_check_is_contiguous,
	198	gfc_simplify_is_contiguous and gfc_resolve_is_contiguous.
	199	* intrinsic.texi: Add IS_CONTIGUOUS.
	200	* iresolve.c (gfc_resolve_is_contiguous): New function.
	201	* simplify.c (gfc_simplify_is_contiguous): New function.
	202	* trans-decl.c (gfor_fncecl_is_contiguous0): New variable.
	203	(gfc_build_intrinsic_function_decl): Add it.
	204	* trans-intrinsic.c (gfc_conv_intrinsic_is_contiguous): New
	205	function.
	206	(gfc_conv_intrinsic_function): Handle GFC_ISYM_IS_CONTIGUOUS.
	207
2abeea3d	208	2019-01-06 Thomas Koenig <tkoenig@gcc.gnu.org>
	209
	210	PR fortran/88658
	211	* gfortran.h: Add macro gfc_real_4_kind
	212	* simplify.c (simplify_min_max): Special case for the types of
	213	AMAX0, AMIN0, MAX1 and MIN1, which actually change the types of
	214	their arguments.
	215
f2aba4ef	216	2019-01-05 Janus Weil <janus@gcc.gnu.org>
	217
	218	PR fortran/88009
	219	* class.c (gfc_find_derived_vtab): Mark the _final component as
	220	artificial.
	221	(find_intrinsic_vtab): Ditto. Also add an extra check to avoid
	222	dereferencing a null pointer and adjust indentation.
	223	* resolve.c (resolve_fl_variable): Add extra check to avoid
	224	dereferencing a null pointer. Move variable declarations to local scope.
	225	(resolve_fl_procedure): Add extra check to avoid dereferencing a null
	226	pointer.
	227	* symbol.c (check_conflict): Suppress errors for artificial symbols.
	228
5055fc33	229	2019-01-01 Steven G. Kargl <kargl@gcc.gnu.org>
5055fc33	230
45b37eaa	231	* parse.c (decode_statement): Suppress "Unclassifiable statement"
5055fc33	232	error if previous error messages were emittes.
5055fc33	233
66aeaf4b	234	2019-01-01 Thomas Koenig <tkoenig@gcc.gnu.org>
	235
	236	PR fortran/82743
	237	* primary.c (gfc_convert_to_structure_constructor): If a character
	238	in a constructor is too long, add a warning with
	239	-Wcharacter-truncation.
	240
3d8932fd	241	2019-01-01 Jakub Jelinek <jakub@redhat.com>
8e8f6434	242
fbd26352	243	Update copyright years.
fbd26352	244
277184bc	245	* gfortranspec.c (lang_specific_driver): Update copyright notice
	246	dates.
	247	* gfc-internals.texi: Bump @copying's copyright year.
	248	* gfortran.texi: Ditto.
	249	* intrinsic.texi: Ditto.
	250	* invoke.texi: Ditto.
2355cca7	251	\f
3d8932fd	252	Copyright (C) 2019 Free Software Foundation, Inc.
7dfbd804	253
	254	Copying and distribution of this file, with or without modification,
	255	are permitted in any medium without royalty provided the copyright
	256	notice and this notice are preserved.