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Re: [PATCH] PR 78534 Change character length from int to size_t


Hi all,

> I think you should use build_zero_cst(size_type_node) instead of
> size_zero_node as size_zero_node is of type sizetype which is not the
> same as size_type_node. Otherwise looks good.

In the software design classes I took this was called a design error: Not
choosing sufficiently different names for different artifacts. It was
considered a beginner's error.

So now I have to repeat myself 16 times only to work around this b***. Nothing
that will improve gfortran's maintainability.

Second version of the changes needed for caf attached. Bootstrapped and
regtested fine besides prior known

FAIL: gfortran.dg/allocate_deferred_char_scalar_1.f03 -O1  (test for excess
errors)

on x86_64-linux/f23.

- Andre
-- 
Andre Vehreschild * Email: vehre ad gmx dot de 

Attachment: pr78534_caf_v2.clog
Description: Binary data

diff --git a/gcc/fortran/gfortran.texi b/gcc/fortran/gfortran.texi
index 5b05a3d..1604bc8 100644
--- a/gcc/fortran/gfortran.texi
+++ b/gcc/fortran/gfortran.texi
@@ -4211,7 +4211,7 @@ size or one for a scalar.
 
 @item @emph{Syntax}:
 @code{void caf_register (size_t size, caf_register_t type, caf_token_t *token,
-gfc_descriptor_t *desc, int *stat, char *errmsg, int errmsg_len)}
+gfc_descriptor_t *desc, int *stat, char *errmsg, size_t errmsg_len)}
 
 @item @emph{Arguments}:
 @multitable @columnfractions .15 .70
@@ -4263,7 +4263,7 @@ library is only expected to free memory it allocated itself during a call to
 
 @item @emph{Syntax}:
 @code{void caf_deregister (caf_token_t *token, caf_deregister_t type,
-int *stat, char *errmsg, int errmsg_len)}
+int *stat, char *errmsg, size_t errmsg_len)}
 
 @item @emph{Arguments}:
 @multitable @columnfractions .15 .70
@@ -4322,7 +4322,8 @@ to a remote image identified by the image_index.
 @item @emph{Syntax}:
 @code{void _gfortran_caf_send (caf_token_t token, size_t offset,
 int image_index, gfc_descriptor_t *dest, caf_vector_t *dst_vector,
-gfc_descriptor_t *src, int dst_kind, int src_kind, bool may_require_tmp)}
+gfc_descriptor_t *src, int dst_kind, int src_kind, bool may_require_tmp,
+int *stat)}
 
 @item @emph{Arguments}:
 @multitable @columnfractions .15 .70
@@ -4345,6 +4346,9 @@ time that the @var{dest} and @var{src} either cannot overlap or overlap (fully
 or partially) such that walking @var{src} and @var{dest} in element wise
 element order (honoring the stride value) will not lead to wrong results.
 Otherwise, the value is true.
+@item @var{stat} @tab intent(out) when non-NULL give the result of the
+operation, i.e., zero on success and non-zero on error.  When NULL and error
+occurs, then an error message is printed and the program is terminated.
 @end multitable
 
 @item @emph{NOTES}
@@ -4375,7 +4379,8 @@ image identified by the image_index.
 @item @emph{Syntax}:
 @code{void _gfortran_caf_get (caf_token_t token, size_t offset,
 int image_index, gfc_descriptor_t *src, caf_vector_t *src_vector,
-gfc_descriptor_t *dest, int src_kind, int dst_kind, bool may_require_tmp)}
+gfc_descriptor_t *dest, int src_kind, int dst_kind, bool may_require_tmp,
+int *stat)}
 
 @item @emph{Arguments}:
 @multitable @columnfractions .15 .70
@@ -4398,6 +4403,9 @@ time that the @var{dest} and @var{src} either cannot overlap or overlap (fully
 or partially) such that walking @var{src} and @var{dest} in element wise
 element order (honoring the stride value) will not lead to wrong results.
 Otherwise, the value is true.
+@item @var{stat} @tab intent(out) when non-NULL give the result of the
+operation, i.e., zero on success and non-zero on error.  When NULL and error
+occurs, then an error message is printed and the program is terminated.
 @end multitable
 
 @item @emph{NOTES}
@@ -4430,7 +4438,7 @@ dst_image_index.
 int dst_image_index, gfc_descriptor_t *dest, caf_vector_t *dst_vector,
 caf_token_t src_token, size_t src_offset, int src_image_index,
 gfc_descriptor_t *src, caf_vector_t *src_vector, int dst_kind, int src_kind,
-bool may_require_tmp)}
+bool may_require_tmp, int *stat)}
 
 @item @emph{Arguments}:
 @multitable @columnfractions .15 .70
@@ -4461,6 +4469,9 @@ time that the @var{dest} and @var{src} either cannot overlap or overlap (fully
 or partially) such that walking @var{src} and @var{dest} in element wise
 element order (honoring the stride value) will not lead to wrong results.
 Otherwise, the value is true.
+@item @var{stat} @tab intent(out) when non-NULL give the result of the
+operation, i.e., zero on success and non-zero on error.  When NULL and error
+occurs, then an error message is printed and the program is terminated.
 @end multitable
 
 @item @emph{NOTES}
@@ -4673,7 +4684,7 @@ been locked by the same image is an error.
 
 @item @emph{Syntax}:
 @code{void _gfortran_caf_lock (caf_token_t token, size_t index, int image_index,
-int *aquired_lock, int *stat, char *errmsg, int errmsg_len)}
+int *aquired_lock, int *stat, char *errmsg, size_t errmsg_len)}
 
 @item @emph{Arguments}:
 @multitable @columnfractions .15 .70
@@ -4708,7 +4719,7 @@ which is unlocked or has been locked by a different image is an error.
 
 @item @emph{Syntax}:
 @code{void _gfortran_caf_unlock (caf_token_t token, size_t index, int image_index,
-int *stat, char *errmsg, int errmsg_len)}
+int *stat, char *errmsg, size_t errmsg_len)}
 
 @item @emph{Arguments}:
 @multitable @columnfractions .15 .70
@@ -4740,7 +4751,7 @@ Increment the event count of the specified event variable.
 
 @item @emph{Syntax}:
 @code{void _gfortran_caf_event_post (caf_token_t token, size_t index,
-int image_index, int *stat, char *errmsg, int errmsg_len)}
+int image_index, int *stat, char *errmsg, size_t errmsg_len)}
 
 @item @emph{Arguments}:
 @multitable @columnfractions .15 .70
@@ -4777,7 +4788,7 @@ amount and return.
 
 @item @emph{Syntax}:
 @code{void _gfortran_caf_event_wait (caf_token_t token, size_t index,
-int until_count, int *stat, char *errmsg, int errmsg_len)}
+int until_count, int *stat, char *errmsg, size_t errmsg_len)}
 
 @item @emph{Arguments}:
 @multitable @columnfractions .15 .70
@@ -4880,7 +4891,7 @@ transfers of previous segment have completed.
 
 @item @emph{Syntax}:
 @code{void _gfortran_caf_sync_images (int count, int images[], int *stat,
-char *errmsg, int errmsg_len)}
+char *errmsg, size_t errmsg_len)}
 
 @item @emph{Arguments}:
 @multitable @columnfractions .15 .70
@@ -4908,7 +4919,8 @@ Acts as optimization barrier between different segments. It also ensures that
 all pending memory operations of this image have been completed.
 
 @item @emph{Syntax}:
-@code{void _gfortran_caf_sync_memory (int *stat, char *errmsg, int errmsg_len)}
+@code{void _gfortran_caf_sync_memory (int *stat, char *errmsg,
+size_t errmsg_len)}
 
 @item @emph{Arguments}:
 @multitable @columnfractions .15 .70
@@ -4955,7 +4967,7 @@ Invoked for an @code{ERROR STOP} statement which has a string as argument.  The
 function should terminate the program with a nonzero-exit code.
 
 @item @emph{Syntax}:
-@code{void _gfortran_caf_error_stop (const char *string, int32_t len)}
+@code{void _gfortran_caf_error_stop (const char *string, size_t len)}
 
 @item @emph{Arguments}:
 @multitable @columnfractions .15 .70
@@ -5116,7 +5128,7 @@ be called collectively.
 
 @item @emph{Syntax}:
 @code{void _gfortran_caf_co_broadcast (gfc_descriptor_t *a,
-int source_image, int *stat, char *errmsg, int errmsg_len)}
+int source_image, int *stat, char *errmsg, size_t errmsg_len)}
 
 @item @emph{Arguments}:
 @multitable @columnfractions .15 .70
@@ -5147,7 +5159,7 @@ strings.
 
 @item @emph{Syntax}:
 @code{void _gfortran_caf_co_max (gfc_descriptor_t *a, int result_image,
-int *stat, char *errmsg, int a_len, int errmsg_len)}
+int *stat, char *errmsg, int a_len, size_t errmsg_len)}
 
 @item @emph{Arguments}:
 @multitable @columnfractions .15 .70
@@ -5183,7 +5195,7 @@ strings.
 
 @item @emph{Syntax}:
 @code{void _gfortran_caf_co_min (gfc_descriptor_t *a, int result_image,
-int *stat, char *errmsg, int a_len, int errmsg_len)}
+int *stat, char *errmsg, int a_len, size_t errmsg_len)}
 
 @item @emph{Arguments}:
 @multitable @columnfractions .15 .70
@@ -5218,7 +5230,7 @@ specified image. This function operates on numeric values.
 
 @item @emph{Syntax}:
 @code{void _gfortran_caf_co_sum (gfc_descriptor_t *a, int result_image,
-int *stat, char *errmsg, int errmsg_len)}
+int *stat, char *errmsg, size_t errmsg_len)}
 
 @item @emph{Arguments}:
 @multitable @columnfractions .15 .70
@@ -5262,7 +5274,7 @@ string lengths shall be specified as hidden argument;
 @item @emph{Syntax}:
 @code{void _gfortran_caf_co_reduce (gfc_descriptor_t *a,
 void * (*opr) (void *, void *), int opr_flags, int result_image,
-int *stat, char *errmsg, int a_len, int errmsg_len)}
+int *stat, char *errmsg, int a_len, size_t errmsg_len)}
 
 @item @emph{Arguments}:
 @multitable @columnfractions .15 .70
diff --git a/gcc/fortran/trans-array.c b/gcc/fortran/trans-array.c
index 48d5a79..c559d0e 100644
--- a/gcc/fortran/trans-array.c
+++ b/gcc/fortran/trans-array.c
@@ -9369,7 +9369,7 @@ gfc_alloc_allocatable_for_assignment (gfc_loopinfo *loop,
 				 build_int_cst (integer_type_node,
 					       GFC_CAF_COARRAY_DEALLOCATE_ONLY),
 				 null_pointer_node, null_pointer_node,
-				 integer_zero_node);
+				 build_zero_cst (size_type_node));
       gfc_add_expr_to_block (&realloc_block, tmp);
       tmp = build_call_expr_loc (input_location,
 				 gfor_fndecl_caf_register,
@@ -9378,7 +9378,7 @@ gfc_alloc_allocatable_for_assignment (gfc_loopinfo *loop,
 					   GFC_CAF_COARRAY_ALLOC_ALLOCATE_ONLY),
 				 token, gfc_build_addr_expr (NULL_TREE, desc),
 				 null_pointer_node, null_pointer_node,
-				 integer_zero_node);
+				 build_zero_cst (size_type_node));
       gfc_add_expr_to_block (&realloc_block, tmp);
     }
 
diff --git a/gcc/fortran/trans-decl.c b/gcc/fortran/trans-decl.c
index 504407d..fe07038 100644
--- a/gcc/fortran/trans-decl.c
+++ b/gcc/fortran/trans-decl.c
@@ -3599,12 +3599,12 @@ gfc_build_builtin_function_decls (void)
       gfor_fndecl_caf_register = gfc_build_library_function_decl_with_spec (
 	get_identifier (PREFIX("caf_register")), "RRWWWWR", void_type_node, 7,
 	size_type_node, integer_type_node, ppvoid_type_node, pvoid_type_node,
-	pint_type, pchar_type_node, integer_type_node);
+	pint_type, pchar_type_node, size_type_node);
 
       gfor_fndecl_caf_deregister = gfc_build_library_function_decl_with_spec (
 	get_identifier (PREFIX("caf_deregister")), "WRWWR", void_type_node, 5,
 	ppvoid_type_node, integer_type_node, pint_type, pchar_type_node,
-	integer_type_node);
+	size_type_node);
 
       gfor_fndecl_caf_get = gfc_build_library_function_decl_with_spec (
 	get_identifier (PREFIX("caf_get")), ".R.RRWRRRW", void_type_node, 10,
@@ -3646,17 +3646,17 @@ gfc_build_builtin_function_decls (void)
 	    boolean_type_node, pint_type, pint_type);
 
       gfor_fndecl_caf_sync_all = gfc_build_library_function_decl_with_spec (
-	get_identifier (PREFIX("caf_sync_all")), ".WW", void_type_node,
-	3, pint_type, pchar_type_node, integer_type_node);
+	get_identifier (PREFIX("caf_sync_all")), ".WR", void_type_node,
+	3, pint_type, pchar_type_node, size_type_node);
 
       gfor_fndecl_caf_sync_memory = gfc_build_library_function_decl_with_spec (
-	get_identifier (PREFIX("caf_sync_memory")), ".WW", void_type_node,
-	3, pint_type, pchar_type_node, integer_type_node);
+	get_identifier (PREFIX("caf_sync_memory")), ".WR", void_type_node,
+	3, pint_type, pchar_type_node, size_type_node);
 
       gfor_fndecl_caf_sync_images = gfc_build_library_function_decl_with_spec (
-	get_identifier (PREFIX("caf_sync_images")), ".RRWW", void_type_node,
+	get_identifier (PREFIX("caf_sync_images")), ".RRWR", void_type_node,
 	5, integer_type_node, pint_type, pint_type,
-	pchar_type_node, integer_type_node);
+	pchar_type_node, size_type_node);
 
       gfor_fndecl_caf_error_stop = gfc_build_library_function_decl (
 	get_identifier (PREFIX("caf_error_stop")),
@@ -3665,97 +3665,99 @@ gfc_build_builtin_function_decls (void)
       TREE_THIS_VOLATILE (gfor_fndecl_caf_error_stop) = 1;
 
       gfor_fndecl_caf_error_stop_str = gfc_build_library_function_decl_with_spec (
-	get_identifier (PREFIX("caf_error_stop_str")), ".R.",
-	void_type_node, 2, pchar_type_node, gfc_int4_type_node);
+	get_identifier (PREFIX("caf_error_stop_str")), "RR",
+	void_type_node, 2, pchar_type_node, size_type_node);
       /* CAF's ERROR STOP doesn't return.  */
       TREE_THIS_VOLATILE (gfor_fndecl_caf_error_stop_str) = 1;
 
       gfor_fndecl_caf_stop_numeric = gfc_build_library_function_decl_with_spec (
-	get_identifier (PREFIX("caf_stop_numeric")), ".R.",
+	get_identifier (PREFIX("caf_stop_numeric")), "R",
 	void_type_node, 1, gfc_int4_type_node);
       /* CAF's STOP doesn't return.  */
       TREE_THIS_VOLATILE (gfor_fndecl_caf_stop_numeric) = 1;
 
       gfor_fndecl_caf_stop_str = gfc_build_library_function_decl_with_spec (
-	get_identifier (PREFIX("caf_stop_str")), ".R.",
-	void_type_node, 2, pchar_type_node, gfc_int4_type_node);
+	get_identifier (PREFIX("caf_stop_str")), "RR",
+	void_type_node, 2, pchar_type_node, size_type_node);
       /* CAF's STOP doesn't return.  */
       TREE_THIS_VOLATILE (gfor_fndecl_caf_stop_str) = 1;
 
       gfor_fndecl_caf_atomic_def = gfc_build_library_function_decl_with_spec (
-	get_identifier (PREFIX("caf_atomic_define")), "R..RW",
+	get_identifier (PREFIX("caf_atomic_define")), "WRRRWRR",
 	void_type_node, 7, pvoid_type_node, size_type_node, integer_type_node,
 	pvoid_type_node, pint_type, integer_type_node, integer_type_node);
 
       gfor_fndecl_caf_atomic_ref = gfc_build_library_function_decl_with_spec (
-	get_identifier (PREFIX("caf_atomic_ref")), "R..WW",
+	get_identifier (PREFIX("caf_atomic_ref")), "RRRWWRR",
 	void_type_node, 7, pvoid_type_node, size_type_node, integer_type_node,
 	pvoid_type_node, pint_type, integer_type_node, integer_type_node);
 
       gfor_fndecl_caf_atomic_cas = gfc_build_library_function_decl_with_spec (
-	get_identifier (PREFIX("caf_atomic_cas")), "R..WRRW",
+	get_identifier (PREFIX("caf_atomic_cas")), "RRRWRRWRR",
 	void_type_node, 9, pvoid_type_node, size_type_node, integer_type_node,
 	pvoid_type_node, pvoid_type_node, pvoid_type_node, pint_type,
 	integer_type_node, integer_type_node);
 
       gfor_fndecl_caf_atomic_op = gfc_build_library_function_decl_with_spec (
-	get_identifier (PREFIX("caf_atomic_op")), ".R..RWW",
+	get_identifier (PREFIX("caf_atomic_op")), "RRRRWRWRR",
 	void_type_node, 9, integer_type_node, pvoid_type_node, size_type_node,
 	integer_type_node, pvoid_type_node, pvoid_type_node, pint_type,
 	integer_type_node, integer_type_node);
 
       gfor_fndecl_caf_lock = gfc_build_library_function_decl_with_spec (
-	get_identifier (PREFIX("caf_lock")), "R..WWW",
+	get_identifier (PREFIX("caf_lock")), "RRRWWWR",
 	void_type_node, 7, pvoid_type_node, size_type_node, integer_type_node,
-	pint_type, pint_type, pchar_type_node, integer_type_node);
+	pint_type, pint_type, pchar_type_node, size_type_node);
 
       gfor_fndecl_caf_unlock = gfc_build_library_function_decl_with_spec (
-	get_identifier (PREFIX("caf_unlock")), "R..WW",
+	get_identifier (PREFIX("caf_unlock")), "RRRWWR",
 	void_type_node, 6, pvoid_type_node, size_type_node, integer_type_node,
-	pint_type, pchar_type_node, integer_type_node);
+	pint_type, pchar_type_node, size_type_node);
 
       gfor_fndecl_caf_event_post = gfc_build_library_function_decl_with_spec (
-	get_identifier (PREFIX("caf_event_post")), "R..WW",
+	get_identifier (PREFIX("caf_event_post")), "RRRWWR",
 	void_type_node, 6, pvoid_type_node, size_type_node, integer_type_node,
-	pint_type, pchar_type_node, integer_type_node);
+	pint_type, pchar_type_node, size_type_node);
 
       gfor_fndecl_caf_event_wait = gfc_build_library_function_decl_with_spec (
-	get_identifier (PREFIX("caf_event_wait")), "R..WW",
+	get_identifier (PREFIX("caf_event_wait")), "RRRWWR",
 	void_type_node, 6, pvoid_type_node, size_type_node, integer_type_node,
-	pint_type, pchar_type_node, integer_type_node);
+	pint_type, pchar_type_node, size_type_node);
 
       gfor_fndecl_caf_event_query = gfc_build_library_function_decl_with_spec (
-	get_identifier (PREFIX("caf_event_query")), "R..WW",
+	get_identifier (PREFIX("caf_event_query")), "RRRWW",
 	void_type_node, 5, pvoid_type_node, size_type_node, integer_type_node,
 	pint_type, pint_type);
 
       gfor_fndecl_co_broadcast = gfc_build_library_function_decl_with_spec (
-	get_identifier (PREFIX("caf_co_broadcast")), "W.WW",
+	get_identifier (PREFIX("caf_co_broadcast")), "WRWWR",
 	void_type_node, 5, pvoid_type_node, integer_type_node,
-	pint_type, pchar_type_node, integer_type_node);
+	pint_type, pchar_type_node, size_type_node);
 
       gfor_fndecl_co_max = gfc_build_library_function_decl_with_spec (
-	get_identifier (PREFIX("caf_co_max")), "W.WW",
+	get_identifier (PREFIX("caf_co_max")), "WRWWRR",
 	void_type_node, 6, pvoid_type_node, integer_type_node,
-	pint_type, pchar_type_node, integer_type_node, integer_type_node);
+	pint_type, pchar_type_node, size_type_node,
+	size_type_node);
 
       gfor_fndecl_co_min = gfc_build_library_function_decl_with_spec (
-	get_identifier (PREFIX("caf_co_min")), "W.WW",
+	get_identifier (PREFIX("caf_co_min")), "WRWWRR",
 	void_type_node, 6, pvoid_type_node, integer_type_node,
-	pint_type, pchar_type_node, integer_type_node, integer_type_node);
+	pint_type, pchar_type_node, size_type_node,
+	size_type_node);
 
       gfor_fndecl_co_reduce = gfc_build_library_function_decl_with_spec (
-	get_identifier (PREFIX("caf_co_reduce")), "W.R.WW",
+	get_identifier (PREFIX("caf_co_reduce")), "WRRRWWRR",
 	void_type_node, 8, pvoid_type_node,
 	build_pointer_type (build_varargs_function_type_list (void_type_node,
 							      NULL_TREE)),
 	integer_type_node, integer_type_node, pint_type, pchar_type_node,
-	integer_type_node, integer_type_node);
+	size_type_node, size_type_node);
 
       gfor_fndecl_co_sum = gfc_build_library_function_decl_with_spec (
-	get_identifier (PREFIX("caf_co_sum")), "W.WW",
+	get_identifier (PREFIX("caf_co_sum")), "WRWWR",
 	void_type_node, 5, pvoid_type_node, integer_type_node,
-	pint_type, pchar_type_node, integer_type_node);
+	pint_type, pchar_type_node, size_type_node);
 
       gfor_fndecl_caf_is_present = gfc_build_library_function_decl_with_spec (
 	get_identifier (PREFIX("caf_is_present")), "RRR",
@@ -5134,7 +5136,7 @@ generate_coarray_sym_init (gfc_symbol *sym)
 			     token, gfc_build_addr_expr (pvoid_type_node, desc),
 			     null_pointer_node, /* stat.  */
 			     null_pointer_node, /* errgmsg.  */
-			     integer_zero_node); /* errmsg_len.  */
+			     build_zero_cst (size_type_node));/* errmsg_len.  */
   gfc_add_expr_to_block (&caf_init_block, tmp);
   gfc_add_modify (&caf_init_block, decl, fold_convert (TREE_TYPE (decl),
 					  gfc_conv_descriptor_data_get (desc)));
diff --git a/gcc/fortran/trans-expr.c b/gcc/fortran/trans-expr.c
index fb08ea4..cbff9ae 100644
--- a/gcc/fortran/trans-expr.c
+++ b/gcc/fortran/trans-expr.c
@@ -7573,7 +7573,7 @@ gfc_trans_structure_assign (tree dest, gfc_expr * expr, bool init, bool coarray)
 							   token),
 				      gfc_build_addr_expr (NULL_TREE, desc),
 				      null_pointer_node, null_pointer_node,
-				      integer_zero_node);
+				      build_zero_cst (size_type_node));
 	  gfc_add_expr_to_block (&block, tmp);
 	}
       field = cm->backend_decl;
diff --git a/gcc/fortran/trans-intrinsic.c b/gcc/fortran/trans-intrinsic.c
index 5461666..bd2b212 100644
--- a/gcc/fortran/trans-intrinsic.c
+++ b/gcc/fortran/trans-intrinsic.c
@@ -9605,12 +9605,12 @@ conv_co_collective (gfc_code *code)
       gfc_add_block_to_block (&block, &argse.pre);
       gfc_add_block_to_block (&post_block, &argse.post);
       errmsg = argse.expr;
-      errmsg_len = fold_convert (integer_type_node, argse.string_length);
+      errmsg_len = fold_convert (size_type_node, argse.string_length);
     }
   else
     {
       errmsg = null_pointer_node;
-      errmsg_len = integer_zero_node;
+      errmsg_len = build_zero_cst (size_type_node);
     }
 
   /* Generate the function call.  */
@@ -10493,7 +10493,7 @@ conv_intrinsic_move_alloc (gfc_code *code)
 					    null_pointer_node));
       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_sync_all,
 				 3, null_pointer_node, null_pointer_node,
-				 build_int_cst (integer_type_node, 0));
+				 build_zero_cst (size_type_node));
 
       tmp = fold_build3_loc (input_location, COND_EXPR, void_type_node, cond,
 			     tmp, build_empty_stmt (input_location));
diff --git a/gcc/fortran/trans-stmt.c b/gcc/fortran/trans-stmt.c
index 07b18a6..6741683 100644
--- a/gcc/fortran/trans-stmt.c
+++ b/gcc/fortran/trans-stmt.c
@@ -629,7 +629,6 @@ gfc_trans_stop (gfc_code *code, bool error_stop)
 
   if (code->expr1 == NULL)
     {
-      tmp = build_int_cst (gfc_int4_type_node, 0);
       tmp = build_call_expr_loc (input_location,
 				 error_stop
 				 ? (flag_coarray == GFC_FCOARRAY_LIB
@@ -638,7 +637,8 @@ gfc_trans_stop (gfc_code *code, bool error_stop)
 				 : (flag_coarray == GFC_FCOARRAY_LIB
 				    ? gfor_fndecl_caf_stop_str
 				    : gfor_fndecl_stop_string),
-				 2, build_int_cst (pchar_type_node, 0), tmp);
+				 2, null_pointer_node,
+				 build_zero_cst (size_type_node));
     }
   else if (code->expr1->ts.type == BT_INTEGER)
     {
@@ -787,12 +787,12 @@ gfc_trans_lock_unlock (gfc_code *code, gfc_exec_op op)
 	  gfc_conv_expr (&argse, code->expr3);
 	  gfc_add_block_to_block (&se.pre, &argse.pre);
 	  errmsg = argse.expr;
-	  errmsg_len = fold_convert (integer_type_node, argse.string_length);
+	  errmsg_len = fold_convert (size_type_node, argse.string_length);
 	}
       else
 	{
 	  errmsg = null_pointer_node;
-	  errmsg_len = integer_zero_node;
+	  errmsg_len = build_zero_cst (size_type_node);
 	}
 
       if (stat != null_pointer_node && TREE_TYPE (stat) != integer_type_node)
@@ -986,12 +986,12 @@ gfc_trans_event_post_wait (gfc_code *code, gfc_exec_op op)
       gfc_conv_expr (&argse, code->expr3);
       gfc_add_block_to_block (&se.pre, &argse.pre);
       errmsg = argse.expr;
-      errmsg_len = fold_convert (integer_type_node, argse.string_length);
+      errmsg_len = fold_convert (size_type_node, argse.string_length);
     }
   else
     {
       errmsg = null_pointer_node;
-      errmsg_len = integer_zero_node;
+      errmsg_len = build_zero_cst (size_type_node);
     }
 
   if (stat != null_pointer_node && TREE_TYPE (stat) != integer_type_node)
@@ -1075,7 +1075,7 @@ gfc_trans_sync (gfc_code *code, gfc_exec_op type)
   else if (flag_coarray == GFC_FCOARRAY_LIB)
     {
       errmsg = null_pointer_node;
-      errmsglen = build_int_cst (integer_type_node, 0);
+      errmsglen = build_zero_cst (size_type_node);
     }
 
   /* Check SYNC IMAGES(imageset) for valid image index.
@@ -1436,7 +1436,8 @@ gfc_trans_critical (gfc_code *code)
       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_lock, 7,
 				 token, integer_zero_node, integer_one_node,
 				 null_pointer_node, null_pointer_node,
-				 null_pointer_node, integer_zero_node);
+				 null_pointer_node,
+				 build_zero_cst (size_type_node));
       gfc_add_expr_to_block (&block, tmp);
 
       /* It guarantees memory consistency within the same segment */
@@ -1459,7 +1460,7 @@ gfc_trans_critical (gfc_code *code)
       tmp = build_call_expr_loc (input_location, gfor_fndecl_caf_unlock, 6,
 				 token, integer_zero_node, integer_one_node,
 				 null_pointer_node, null_pointer_node,
-				 integer_zero_node);
+				 build_zero_cst (size_type_node));
       gfc_add_expr_to_block (&block, tmp);
 
       /* It guarantees memory consistency within the same segment */
@@ -5540,7 +5541,7 @@ gfc_trans_allocate (gfc_code * code)
       else
 	{
 	  errmsg = null_pointer_node;
-	  errlen = build_int_cst (gfc_charlen_type_node, 0);
+	  errlen = build_zero_cst (size_type_node);
 	}
 
       /* GOTO destinations.  */
diff --git a/gcc/fortran/trans.c b/gcc/fortran/trans.c
index e5dd986..4222d3a 100644
--- a/gcc/fortran/trans.c
+++ b/gcc/fortran/trans.c
@@ -728,8 +728,10 @@ gfc_allocate_using_caf_lib (stmtblock_t * block, tree pointer, tree size,
     {
       gcc_assert(errlen == NULL_TREE);
       errmsg = null_pointer_node;
-      errlen = build_int_cst (integer_type_node, 0);
+      errlen = build_zero_cst (size_type_node);
     }
+  else
+    errlen = fold_convert (size_type_node, errlen);
 
   size = fold_convert (size_type_node, size);
   tmp = build_call_expr_loc (input_location,
@@ -1415,7 +1417,7 @@ gfc_deallocate_with_status (tree pointer, tree status, tree errmsg,
 	{
 	  gcc_assert (errlen == NULL_TREE);
 	  errmsg = null_pointer_node;
-	  errlen = build_zero_cst (integer_type_node);
+	  errlen = build_zero_cst (size_type_node);
 	}
       else
 	{
@@ -1597,7 +1599,8 @@ gfc_deallocate_scalar_with_status (tree pointer, tree status, tree label_finish,
 				 gfor_fndecl_caf_deregister, 5,
 				 token, build_int_cst (integer_type_node,
 						       caf_dereg_type),
-				 pstat, null_pointer_node, integer_zero_node);
+				 pstat, null_pointer_node,
+				 build_zero_cst (size_type_node));
       gfc_add_expr_to_block (&non_null, tmp);
 
       /* It guarantees memory consistency within the same segment.  */
diff --git a/libgfortran/caf/libcaf.h b/libgfortran/caf/libcaf.h
index 1bb5176..af45356 100644
--- a/libgfortran/caf/libcaf.h
+++ b/libgfortran/caf/libcaf.h
@@ -183,28 +183,31 @@ int _gfortran_caf_this_image (int);
 int _gfortran_caf_num_images (int, int);
 
 void _gfortran_caf_register (size_t, caf_register_t, caf_token_t *,
-			     gfc_descriptor_t *, int *, char *, int);
+			     gfc_descriptor_t *, int *, char *, size_t);
 void _gfortran_caf_deregister (caf_token_t *, caf_deregister_t, int *, char *,
-			       int);
+			       size_t);
 
-void _gfortran_caf_sync_all (int *, char *, int);
-void _gfortran_caf_sync_memory (int *, char *, int);
-void _gfortran_caf_sync_images (int, int[], int *, char *, int);
+void _gfortran_caf_sync_all (int *, char *, size_t);
+void _gfortran_caf_sync_memory (int *, char *, size_t);
+void _gfortran_caf_sync_images (int, int[], int *, char *, size_t);
 
 void _gfortran_caf_stop_numeric (int32_t)
      __attribute__ ((noreturn));
-void _gfortran_caf_stop_str (const char *, int32_t)
+void _gfortran_caf_stop_str (const char *, size_t)
      __attribute__ ((noreturn));
-void _gfortran_caf_error_stop_str (const char *, int32_t)
+void _gfortran_caf_error_stop_str (const char *, size_t)
      __attribute__ ((noreturn));
 void _gfortran_caf_error_stop (int32_t) __attribute__ ((noreturn));
 
-void _gfortran_caf_co_broadcast (gfc_descriptor_t *, int, int *, char *, int);
-void _gfortran_caf_co_sum (gfc_descriptor_t *, int, int *, char *, int);
-void _gfortran_caf_co_min (gfc_descriptor_t *, int, int *, char *, int, int);
-void _gfortran_caf_co_max (gfc_descriptor_t *, int, int *, char *, int, int);
+void _gfortran_caf_co_broadcast (gfc_descriptor_t *, int, int *, char *,
+				 size_t);
+void _gfortran_caf_co_sum (gfc_descriptor_t *, int, int *, char *, size_t);
+void _gfortran_caf_co_min (gfc_descriptor_t *, int, int *, char *, size_t,
+			   size_t);
+void _gfortran_caf_co_max (gfc_descriptor_t *, int, int *, char *, size_t,
+			   size_t);
 void _gfortran_caf_co_reduce (gfc_descriptor_t *, void* (*) (void *, void*),
-			      int, int, int *, char *, int, int);
+			      int, int, int *, char *, size_t, size_t);
 
 void _gfortran_caf_get (caf_token_t, size_t, int, gfc_descriptor_t *,
 			caf_vector_t *, gfc_descriptor_t *, int, int, bool,
@@ -237,10 +240,11 @@ void _gfortran_caf_atomic_cas (caf_token_t, size_t, int, void *, void *,
 void _gfortran_caf_atomic_op (int, caf_token_t, size_t, int, void *, void *,
 			      int *, int, int);
 
-void _gfortran_caf_lock (caf_token_t, size_t, int, int *, int *, char *, int);
-void _gfortran_caf_unlock (caf_token_t, size_t, int, int *, char *, int);
-void _gfortran_caf_event_post (caf_token_t, size_t, int, int *, char *, int);
-void _gfortran_caf_event_wait (caf_token_t, size_t, int, int *, char *, int);
+void _gfortran_caf_lock (caf_token_t, size_t, int, int *, int *, char *,
+			 size_t);
+void _gfortran_caf_unlock (caf_token_t, size_t, int, int *, char *, size_t);
+void _gfortran_caf_event_post (caf_token_t, size_t, int, int *, char *, size_t);
+void _gfortran_caf_event_wait (caf_token_t, size_t, int, int *, char *, size_t);
 void _gfortran_caf_event_query (caf_token_t, size_t, int, int *, int *);
 
 int _gfortran_caf_is_present (caf_token_t, int, caf_reference_t *);
diff --git a/libgfortran/caf/single.c b/libgfortran/caf/single.c
index d1b3359..6d37965 100644
--- a/libgfortran/caf/single.c
+++ b/libgfortran/caf/single.c
@@ -134,7 +134,7 @@ _gfortran_caf_num_images (int distance __attribute__ ((unused)),
 void
 _gfortran_caf_register (size_t size, caf_register_t type, caf_token_t *token,
 			gfc_descriptor_t *data, int *stat, char *errmsg,
-			int errmsg_len)
+			size_t errmsg_len)
 {
   const char alloc_fail_msg[] = "Failed to allocate coarray";
   void *local;
@@ -192,7 +192,7 @@ _gfortran_caf_register (size_t size, caf_register_t type, caf_token_t *token,
 void
 _gfortran_caf_deregister (caf_token_t *token, caf_deregister_t type, int *stat,
 			  char *errmsg __attribute__ ((unused)),
-			  int errmsg_len __attribute__ ((unused)))
+			  size_t errmsg_len __attribute__ ((unused)))
 {
   caf_single_token_t single_token = TOKEN (*token);
 
@@ -218,7 +218,7 @@ _gfortran_caf_deregister (caf_token_t *token, caf_deregister_t type, int *stat,
 void
 _gfortran_caf_sync_all (int *stat,
 			char *errmsg __attribute__ ((unused)),
-			int errmsg_len __attribute__ ((unused)))
+			size_t errmsg_len __attribute__ ((unused)))
 {
   __asm__ __volatile__ ("":::"memory");
   if (stat)
@@ -229,7 +229,7 @@ _gfortran_caf_sync_all (int *stat,
 void
 _gfortran_caf_sync_memory (int *stat,
 			   char *errmsg __attribute__ ((unused)),
-			   int errmsg_len __attribute__ ((unused)))
+			   size_t errmsg_len __attribute__ ((unused)))
 {
   __asm__ __volatile__ ("":::"memory");
   if (stat)
@@ -242,7 +242,7 @@ _gfortran_caf_sync_images (int count __attribute__ ((unused)),
 			   int images[] __attribute__ ((unused)),
 			   int *stat,
 			   char *errmsg __attribute__ ((unused)),
-			   int errmsg_len __attribute__ ((unused)))
+			   size_t errmsg_len __attribute__ ((unused)))
 {
 #ifdef GFC_CAF_CHECK
   int i;
@@ -262,14 +262,14 @@ _gfortran_caf_sync_images (int count __attribute__ ((unused)),
 }
 
 void
-_gfortran_caf_stop_numeric(int32_t stop_code)
+_gfortran_caf_stop_numeric (int32_t stop_code)
 {
   fprintf (stderr, "STOP %d\n", stop_code);
   exit (0);
 }
 
 void
-_gfortran_caf_stop_str(const char *string, int32_t len)
+_gfortran_caf_stop_str (const char *string, size_t len)
 {
   fputs ("STOP ", stderr);
   while (len--)
@@ -280,7 +280,7 @@ _gfortran_caf_stop_str(const char *string, int32_t len)
 }
 
 void
-_gfortran_caf_error_stop_str (const char *string, int32_t len)
+_gfortran_caf_error_stop_str (const char *string, size_t len)
 {
   fputs ("ERROR STOP ", stderr);
   while (len--)
@@ -303,7 +303,7 @@ void
 _gfortran_caf_co_broadcast (gfc_descriptor_t *a __attribute__ ((unused)),
 			    int source_image __attribute__ ((unused)),
 			    int *stat, char *errmsg __attribute__ ((unused)),
-			    int errmsg_len __attribute__ ((unused)))
+			    size_t errmsg_len __attribute__ ((unused)))
 {
   if (stat)
     *stat = 0;
@@ -313,7 +313,7 @@ void
 _gfortran_caf_co_sum (gfc_descriptor_t *a __attribute__ ((unused)),
 		      int result_image __attribute__ ((unused)),
 		      int *stat, char *errmsg __attribute__ ((unused)),
-		      int errmsg_len __attribute__ ((unused)))
+		      size_t errmsg_len __attribute__ ((unused)))
 {
   if (stat)
     *stat = 0;
@@ -323,8 +323,8 @@ void
 _gfortran_caf_co_min (gfc_descriptor_t *a __attribute__ ((unused)),
 		      int result_image __attribute__ ((unused)),
 		      int *stat, char *errmsg __attribute__ ((unused)),
-		      int a_len __attribute__ ((unused)),
-		      int errmsg_len __attribute__ ((unused)))
+		      size_t a_len __attribute__ ((unused)),
+		      size_t errmsg_len __attribute__ ((unused)))
 {
   if (stat)
     *stat = 0;
@@ -334,8 +334,8 @@ void
 _gfortran_caf_co_max (gfc_descriptor_t *a __attribute__ ((unused)),
 		      int result_image __attribute__ ((unused)),
 		      int *stat, char *errmsg __attribute__ ((unused)),
-		      int a_len __attribute__ ((unused)),
-		      int errmsg_len __attribute__ ((unused)))
+		      size_t a_len __attribute__ ((unused)),
+		      size_t errmsg_len __attribute__ ((unused)))
 {
   if (stat)
     *stat = 0;
@@ -344,13 +344,13 @@ _gfortran_caf_co_max (gfc_descriptor_t *a __attribute__ ((unused)),
 
 void
 _gfortran_caf_co_reduce (gfc_descriptor_t *a __attribute__ ((unused)),
-                        void * (*opr) (void *, void *)
-                               __attribute__ ((unused)),
-                        int opr_flags __attribute__ ((unused)),
-                        int result_image __attribute__ ((unused)),
-                        int *stat, char *errmsg __attribute__ ((unused)),
-                        int a_len __attribute__ ((unused)),
-                        int errmsg_len __attribute__ ((unused)))
+			 void * (*opr) (void *, void *)
+			 __attribute__ ((unused)),
+			 int opr_flags __attribute__ ((unused)),
+			 int result_image __attribute__ ((unused)),
+			 int *stat, char *errmsg __attribute__ ((unused)),
+			 size_t a_len __attribute__ ((unused)),
+			 size_t errmsg_len __attribute__ ((unused)))
  {
    if (stat)
      *stat = 0;
@@ -2783,7 +2783,7 @@ void
 _gfortran_caf_event_post (caf_token_t token, size_t index, 
 			  int image_index __attribute__ ((unused)), 
 			  int *stat, char *errmsg __attribute__ ((unused)), 
-			  int errmsg_len __attribute__ ((unused)))
+			  size_t errmsg_len __attribute__ ((unused)))
 {
   uint32_t value = 1;
   uint32_t *event = (uint32_t *) ((char *) MEMTOK (token) + index
@@ -2798,7 +2798,7 @@ void
 _gfortran_caf_event_wait (caf_token_t token, size_t index, 
 			  int until_count, int *stat,
 			  char *errmsg __attribute__ ((unused)), 
-			  int errmsg_len __attribute__ ((unused)))
+			  size_t errmsg_len __attribute__ ((unused)))
 {
   uint32_t *event = (uint32_t *) ((char *) MEMTOK (token) + index
 				  * sizeof (uint32_t));
@@ -2825,7 +2825,8 @@ _gfortran_caf_event_query (caf_token_t token, size_t index,
 void
 _gfortran_caf_lock (caf_token_t token, size_t index,
 		    int image_index __attribute__ ((unused)),
-		    int *aquired_lock, int *stat, char *errmsg, int errmsg_len)
+		    int *aquired_lock, int *stat, char *errmsg,
+		    size_t errmsg_len)
 {
   const char *msg = "Already locked";
   bool *lock = &((bool *) MEMTOK (token))[index];
@@ -2854,22 +2855,21 @@ _gfortran_caf_lock (caf_token_t token, size_t index,
       *stat = 1;
       if (errmsg_len > 0)
 	{
-	  int len = ((int) sizeof (msg) > errmsg_len) ? errmsg_len
-						      : (int) sizeof (msg);
+	  size_t len = (sizeof (msg) > errmsg_len) ? errmsg_len : sizeof (msg);
 	  memcpy (errmsg, msg, len);
 	  if (errmsg_len > len)
 	    memset (&errmsg[len], ' ', errmsg_len-len);
 	}
       return;
     }
-  _gfortran_caf_error_stop_str (msg, (int32_t) strlen (msg));
+  _gfortran_caf_error_stop_str (msg, strlen (msg));
 }
 
 
 void
 _gfortran_caf_unlock (caf_token_t token, size_t index,
 		      int image_index __attribute__ ((unused)),
-		      int *stat, char *errmsg, int errmsg_len)
+		      int *stat, char *errmsg, size_t errmsg_len)
 {
   const char *msg = "Variable is not locked";
   bool *lock = &((bool *) MEMTOK (token))[index];
@@ -2887,15 +2887,14 @@ _gfortran_caf_unlock (caf_token_t token, size_t index,
       *stat = 1;
       if (errmsg_len > 0)
 	{
-	  int len = ((int) sizeof (msg) > errmsg_len) ? errmsg_len
-						      : (int) sizeof (msg);
+	  size_t len = (sizeof (msg) > errmsg_len) ? errmsg_len : sizeof (msg);
 	  memcpy (errmsg, msg, len);
 	  if (errmsg_len > len)
 	    memset (&errmsg[len], ' ', errmsg_len-len);
 	}
       return;
     }
-  _gfortran_caf_error_stop_str (msg, (int32_t) strlen (msg));
+  _gfortran_caf_error_stop_str (msg, strlen (msg));
 }
 
 int

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