pointer assignments. */
unsigned direct_byref:1;
+ /* If direct_byref is set, do work out the descriptor as in that case but
+ do still create a new descriptor variable instead of using an
+ existing one. This is useful for special pointer assignments like
+ rank remapping where we have to process the descriptor before
+ assigning to final one. */
+ unsigned byref_noassign:1;
+
/* Ignore absent optional arguments. Used for some intrinsics. */
unsigned ignore_optional:1;
/* If set, gfc_conv_procedure_call does not put byref calls into se->pre. */
unsigned no_function_call:1;
+ /* If set, we will force the creation of a temporary. Useful to disable
+ non-copying procedure argument passing optimizations, when some function
+ args alias. */
+ unsigned force_tmp:1;
+
/* Scalarization parameters. */
struct gfc_se *parent;
struct gfc_ss *ss;
tree stride[GFC_MAX_DIMENSIONS];
tree delta[GFC_MAX_DIMENSIONS];
- /* Translation from scalarizer dimensions to actual dimensions.
- actual = dim[scalarizer] */
+ /* Translation from loop dimensions to actual dimensions.
+ actual_dim = dim[loop_dim] */
int dim[GFC_MAX_DIMENSIONS];
}
gfc_ss_info;
scalarization loop. */
GFC_SS_SCALAR,
- /* Like GFC_SS_SCALAR except it evaluates a pointer to the expression.
- Used for elemental function parameters. */
+ /* Like GFC_SS_SCALAR it evaluates the expression outside the
+ loop. Is always evaluated as a reference to the temporary.
+ Used for elemental function arguments. */
GFC_SS_REFERENCE,
/* An array section. Scalarization indices will be substituted during
/* Order in which the dimensions should be looped, innermost first. */
int order[GFC_MAX_DIMENSIONS];
+ /* Enum to control loop reversal. */
+ gfc_reverse reverse[GFC_MAX_DIMENSIONS];
+
/* The number of dimensions for which a temporary is used. */
int temp_dim;
gfc_saved_var;
+/* Store information about a block of code together with special
+ initialization and clean-up code. This can be used to incrementally add
+ init and cleanup, and in the end put everything together to a
+ try-finally expression. */
+typedef struct
+{
+ tree init;
+ tree cleanup;
+ tree code;
+}
+gfc_wrapped_block;
+
+
+/* Initialize an init/cleanup block. */
+void gfc_start_wrapped_block (gfc_wrapped_block* block, tree code);
+/* Add a pair of init/cleanup code to the block. Each one might be a
+ NULL_TREE if not required. */
+void gfc_add_init_cleanup (gfc_wrapped_block* block, tree init, tree cleanup);
+/* Finalize the block, that is, create a single expression encapsulating the
+ original code together with init and clean-up code. */
+tree gfc_finish_wrapped_block (gfc_wrapped_block* block);
+
+
/* Advance the SS chain to the next term. */
void gfc_advance_se_ss_chain (gfc_se *);
void gfc_conv_string_parameter (gfc_se * se);
/* Compare two strings. */
-tree gfc_build_compare_string (tree, tree, tree, tree, int);
+tree gfc_build_compare_string (tree, tree, tree, tree, int, enum tree_code);
/* Add an item to the end of TREE_LIST. */
tree gfc_chainon_list (tree, tree);
/* trans-expr.c */
void gfc_conv_scalar_char_value (gfc_symbol *sym, gfc_se *se, gfc_expr **expr);
+tree gfc_string_to_single_character (tree len, tree str, int kind);
/* Find the decl containing the auxiliary variables for assigned variables. */
void gfc_conv_label_variable (gfc_se * se, gfc_expr * expr);
/* If the value is not constant, Create a temporary and copy the value. */
+tree gfc_evaluate_now_loc (location_t, tree, stmtblock_t *);
tree gfc_evaluate_now (tree, stmtblock_t *);
+/* Find the appropriate variant of a math intrinsic. */
+tree gfc_builtin_decl_for_float_kind (enum built_in_function, int);
+
/* Intrinsic function handling. */
void gfc_conv_intrinsic_function (gfc_se *, gfc_expr *);
-/* Does an intrinsic map directly to an external library call. */
+/* Is the intrinsic expanded inline. */
+bool gfc_inline_intrinsic_function_p (gfc_expr *);
+
+/* Does an intrinsic map directly to an external library call
+ This is true for array-returning intrinsics, unless
+ gfc_inline_intrinsic_function_p returns true. */
int gfc_is_intrinsic_libcall (gfc_expr *);
+tree gfc_conv_intrinsic_move_alloc (gfc_code *);
+
/* Used to call ordinary functions/subroutines
and procedure pointer components. */
int gfc_conv_procedure_call (gfc_se *, gfc_symbol *, gfc_actual_arglist *,
- gfc_expr *, tree);
+ gfc_expr *, VEC(tree,gc) *);
void gfc_conv_subref_array_arg (gfc_se *, gfc_expr *, int, sym_intent, bool);
/* gfc_trans_* shouldn't call push/poplevel, use gfc_push/pop_scope */
/* Generate code for a scalar assignment. */
-tree gfc_trans_scalar_assign (gfc_se *, gfc_se *, gfc_typespec, bool, bool);
+tree gfc_trans_scalar_assign (gfc_se *, gfc_se *, gfc_typespec, bool, bool,
+ bool);
/* Translate COMMON blocks. */
void gfc_trans_common (gfc_namespace *);
/* Add a block to the end of a block. */
void gfc_add_block_to_block (stmtblock_t *, stmtblock_t *);
/* Add a MODIFY_EXPR to a block. */
+void gfc_add_modify_loc (location_t, stmtblock_t *, tree, tree);
void gfc_add_modify (stmtblock_t *, tree, tree);
/* Initialize a statement block. */
Do not use if the function has an explicit result variable. */
tree gfc_get_fake_result_decl (gfc_symbol *, int);
-/* Get the return label for the current function. */
-tree gfc_get_return_label (void);
-
/* Add a decl to the binding level for the current function. */
void gfc_add_decl_to_function (tree);
tree gfc_get_symbol_decl (gfc_symbol *);
/* Build a static initializer. */
-tree gfc_conv_initializer (gfc_expr *, gfc_typespec *, tree, bool, bool);
+tree gfc_conv_initializer (gfc_expr *, gfc_typespec *, tree, bool, bool, bool);
/* Assign a default initializer to a derived type. */
-tree gfc_init_default_dt (gfc_symbol *, tree);
+void gfc_init_default_dt (gfc_symbol *, stmtblock_t *, bool);
/* Substitute a temporary variable in place of the real one. */
void gfc_shadow_sym (gfc_symbol *, tree, gfc_saved_var *);
tree gfc_advance_chain (tree, int);
/* Create a decl for a function. */
-void gfc_create_function_decl (gfc_namespace *);
+void gfc_create_function_decl (gfc_namespace *, bool);
/* Generate the code for a function. */
void gfc_generate_function_code (gfc_namespace *);
/* Output a BLOCK DATA program unit. */
void gfc_generate_block_data (gfc_namespace *);
/* Output a decl for a module variable. */
void gfc_generate_module_vars (gfc_namespace *);
+/* Get the appropriate return statement for a procedure. */
+tree gfc_generate_return (void);
struct GTY(()) module_htab_entry {
const char *name;
void gfc_module_add_decl (struct module_htab_entry *, tree);
/* Get and set the current location. */
+void gfc_save_backend_locus (locus *);
void gfc_set_backend_locus (locus *);
-void gfc_get_backend_locus (locus *);
+void gfc_restore_backend_locus (locus *);
/* Handle static constructor functions. */
extern GTY(()) tree gfc_static_ctors;
void gfc_generate_constructors (void);
/* Get the string length of an array constructor. */
-bool get_array_ctor_strlen (stmtblock_t *, gfc_constructor *, tree *);
+bool get_array_ctor_strlen (stmtblock_t *, gfc_constructor_base, tree *);
/* Generate a runtime error call. */
tree gfc_trans_runtime_error (bool, locus*, const char*, ...);
-tree gfc_trans_runtime_error_vararg (bool, locus*, const char*, va_list);
/* Generate a runtime warning/error check. */
void gfc_trans_runtime_check (bool, bool, tree, stmtblock_t *, locus *,
tree gfc_call_realloc (stmtblock_t *, tree, tree);
/* Generate code for an assignment, includes scalarization. */
-tree gfc_trans_assignment (gfc_expr *, gfc_expr *, bool);
+tree gfc_trans_assignment (gfc_expr *, gfc_expr *, bool, bool);
/* Generate code for a pointer assignment. */
tree gfc_trans_pointer_assignment (gfc_expr *, gfc_expr *);
void gfc_build_io_library_fndecls (void);
/* Build a function decl for a library function. */
tree gfc_build_library_function_decl (tree, tree, int, ...);
+tree gfc_build_library_function_decl_with_spec (tree name, const char *spec,
+ tree rettype, int nargs, ...);
/* Process the local variable decls of a block construct. */
-void gfc_process_block_locals (gfc_namespace*);
+void gfc_process_block_locals (gfc_namespace*, gfc_association_list*);
/* Output initialization/clean-up code that was deferred. */
-tree gfc_trans_deferred_vars (gfc_symbol*, tree);
+void gfc_trans_deferred_vars (gfc_symbol*, gfc_wrapped_block *);
-/* somewhere! */
+/* In f95-lang.c. */
tree pushdecl (tree);
tree pushdecl_top_level (tree);
void pushlevel (int);
tree getdecls (void);
tree gfc_truthvalue_conversion (tree);
tree gfc_builtin_function (tree);
+
+/* In trans-types.c. */
struct array_descr_info;
bool gfc_get_array_descr_info (const_tree, struct array_descr_info *);
/* In trans-openmp.c */
bool gfc_omp_privatize_by_reference (const_tree);
enum omp_clause_default_kind gfc_omp_predetermined_sharing (tree);
+tree gfc_omp_report_decl (tree);
tree gfc_omp_clause_default_ctor (tree, tree, tree);
tree gfc_omp_clause_copy_ctor (tree, tree, tree);
tree gfc_omp_clause_assign_op (tree, tree, tree);
extern GTY(()) tree gfor_fndecl_pause_string;
extern GTY(()) tree gfor_fndecl_stop_numeric;
extern GTY(()) tree gfor_fndecl_stop_string;
+extern GTY(()) tree gfor_fndecl_error_stop_numeric;
+extern GTY(()) tree gfor_fndecl_error_stop_string;
extern GTY(()) tree gfor_fndecl_runtime_error;
extern GTY(()) tree gfor_fndecl_runtime_error_at;
extern GTY(()) tree gfor_fndecl_runtime_warning_at;
extern GTY(()) tree gfor_fndecl_size0;
extern GTY(()) tree gfor_fndecl_size1;
extern GTY(()) tree gfor_fndecl_iargc;
-extern GTY(()) tree gfor_fndecl_clz128;
-extern GTY(()) tree gfor_fndecl_ctz128;
/* Implemented in Fortran. */
extern GTY(()) tree gfor_fndecl_sc_kind;
/* True if node is an integer constant. */
#define INTEGER_CST_P(node) (TREE_CODE(node) == INTEGER_CST)
-/* G95-specific declaration information. */
+/* gfortran-specific declaration information, the _CONT versions denote
+ arrays with CONTIGUOUS attribute. */
enum gfc_array_kind
{
GFC_ARRAY_UNKNOWN,
GFC_ARRAY_ASSUMED_SHAPE,
+ GFC_ARRAY_ASSUMED_SHAPE_CONT,
GFC_ARRAY_ALLOCATABLE,
- GFC_ARRAY_POINTER
+ GFC_ARRAY_POINTER,
+ GFC_ARRAY_POINTER_CONT
};
/* Array types only. */
-struct GTY(()) lang_type {
+/* FIXME: the variable_size annotation here is needed because these types are
+ variable-sized in some other frontends. Due to gengtype deficiency the GTY
+ options of such types have to agree across all frontends. */
+struct GTY((variable_size)) lang_type {
int rank;
enum gfc_array_kind akind;
tree lbound[GFC_MAX_DIMENSIONS];
tree base_decl[2];
};
-struct GTY(()) lang_decl {
+struct GTY((variable_size)) lang_decl {
/* Dummy variables. */
tree saved_descriptor;
/* Assigned integer nodes. Stringlength is the IO format string's length.
#define GFC_TYPE_ARRAY_BASE_DECL(node, internal) \
(TYPE_LANG_SPECIFIC(node)->base_decl[(internal)])
+
+/* Create _loc version of build[0-9]. */
+
+static inline tree
+build1_stat_loc (location_t loc, enum tree_code code, tree type,
+ tree op MEM_STAT_DECL)
+{
+ tree t = build1_stat (code, type, op PASS_MEM_STAT);
+ SET_EXPR_LOCATION (t, loc);
+ return t;
+}
+#define build1_loc(l,c,t1,t2) build1_stat_loc (l,c,t1,t2 MEM_STAT_INFO)
+
+static inline tree
+build2_stat_loc (location_t loc, enum tree_code code, tree type, tree arg0,
+ tree op MEM_STAT_DECL)
+{
+ tree t = build2_stat (code, type, arg0, op PASS_MEM_STAT);
+ SET_EXPR_LOCATION (t, loc);
+ return t;
+}
+#define build2_loc(l,c,t1,t2,t3) build2_stat_loc (l,c,t1,t2,t3 MEM_STAT_INFO)
+
+static inline tree
+build3_stat_loc (location_t loc, enum tree_code code, tree type, tree arg0,
+ tree arg1, tree op MEM_STAT_DECL)
+{
+ tree t = build3_stat (code, type, arg0, arg1, op PASS_MEM_STAT);
+ SET_EXPR_LOCATION (t, loc);
+ return t;
+}
+#define build3_loc(l,c,t1,t2,t3,t4) \
+ build3_stat_loc (l,c,t1,t2,t3,t4 MEM_STAT_INFO)
+
+static inline tree
+build4_stat_loc (location_t loc, enum tree_code code, tree type, tree arg0,
+ tree arg1, tree arg2, tree op MEM_STAT_DECL)
+{
+ tree t = build4_stat (code, type, arg0, arg1, arg2, op PASS_MEM_STAT);
+ SET_EXPR_LOCATION (t, loc);
+ return t;
+}
+#define build4_loc(l,c,t1,t2,t3,t4,t5) \
+ build4_stat_loc (l,c,t1,t2,t3,t4,t5 MEM_STAT_INFO)
+
+
/* Build an expression with void type. */
-#define build1_v(code, arg) fold_build1(code, void_type_node, arg)
-#define build2_v(code, arg1, arg2) fold_build2(code, void_type_node, \
- arg1, arg2)
-#define build3_v(code, arg1, arg2, arg3) fold_build3(code, void_type_node, \
- arg1, arg2, arg3)
-#define build4_v(code, arg1, arg2, arg3, arg4) build4(code, void_type_node, \
- arg1, arg2, arg3, arg4)
+#define build1_v(code, arg) \
+ fold_build1_loc (input_location, code, void_type_node, arg)
+#define build2_v(code, arg1, arg2) \
+ fold_build2_loc (input_location, code, void_type_node, arg1, arg2)
+#define build3_v(code, arg1, arg2, arg3) \
+ fold_build3_loc (input_location, code, void_type_node, arg1, arg2, arg3)
+#define build4_v(code, arg1, arg2, arg3, arg4) \
+ build4_loc (input_location, code, void_type_node, arg1, arg2, \
+ arg3, arg4)
/* This group of functions allows a caller to evaluate an expression from
the callee's interface. It establishes a mapping between the interface's
/* Standard error messages used in all the trans-*.c files. */
-extern const char gfc_msg_bounds[];
extern const char gfc_msg_fault[];
extern const char gfc_msg_wrong_return[];
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