/* Header for code translation functions
- Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+ Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
Contributed by Paul Brook
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;
loops the terms appear in. This will be 1 for the RHS expressions,
2 for the LHS expressions, and 3(=1|2) for the temporary. The bit
'where' suppresses precalculation of scalars in WHERE assignments. */
- unsigned useflags:2, where:1;
+ unsigned useflags:2, where:1, is_alloc_lhs:1;
}
gfc_ss;
#define gfc_get_ss() XCNEW (gfc_ss)
/* 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;
/* 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 *,
/* Add an expression to the end of a block. */
void gfc_add_expr_to_block (stmtblock_t *, tree);
+/* Add an expression to the beginning of a block. */
+void gfc_prepend_expr_to_block (stmtblock_t *, tree);
/* 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);
/* Set the backend source location of a decl. */
void gfc_set_decl_location (tree, locus *);
+/* Get a module symbol backend_decl if possible. */
+bool gfc_get_module_backend_decl (gfc_symbol *);
+
/* Return the variable decl for a symbol. */
tree gfc_get_symbol_decl (gfc_symbol *);
+/* Initialize coarray global variables. */
+void gfc_init_coarray_decl (void);
+
/* 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. */
void gfc_init_default_dt (gfc_symbol *, stmtblock_t *, bool);
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;
/* 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 *,
/* Generate code to deallocate an array. */
tree gfc_deallocate_with_status (tree, tree, bool, gfc_expr*);
+tree gfc_deallocate_scalar_with_status (tree, tree, bool, gfc_expr*, gfc_typespec);
/* Generate code to call realloc(). */
tree gfc_call_realloc (stmtblock_t *, tree, tree);
/* Generate code for a pointer assignment. */
tree gfc_trans_pointer_assignment (gfc_expr *, gfc_expr *);
-/* Generate code to assign typebound procedures to a derived vtab. */
-void gfc_trans_assign_vtab_procs (stmtblock_t*, gfc_symbol*, gfc_symbol*);
-
/* Initialize function decls for library functions. */
void gfc_build_intrinsic_lib_fndecls (void);
/* Create function decls for IO library functions. */
void gfc_process_block_locals (gfc_namespace*);
/* 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 *);
extern GTY(()) tree gfor_fndecl_pause_numeric;
extern GTY(()) tree gfor_fndecl_pause_string;
extern GTY(()) tree gfor_fndecl_stop_numeric;
+extern GTY(()) tree gfor_fndecl_stop_numeric_f08;
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_in_unpack;
extern GTY(()) tree gfor_fndecl_associated;
+
+/* Coarray run-time library function decls. */
+extern GTY(()) tree gfor_fndecl_caf_init;
+extern GTY(()) tree gfor_fndecl_caf_finalize;
+extern GTY(()) tree gfor_fndecl_caf_critical;
+extern GTY(()) tree gfor_fndecl_caf_end_critical;
+extern GTY(()) tree gfor_fndecl_caf_sync_all;
+extern GTY(()) tree gfor_fndecl_caf_sync_images;
+extern GTY(()) tree gfor_fndecl_caf_error_stop;
+extern GTY(()) tree gfor_fndecl_caf_error_stop_str;
+
+/* Coarray global variables for num_images/this_image. */
+extern GTY(()) tree gfort_gvar_caf_num_images;
+extern GTY(()) tree gfort_gvar_caf_this_image;
+
+
/* Math functions. Many other math functions are handled in
trans-intrinsic.c. */
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;
tree dataptr_type;
tree span;
tree base_decl[2];
+ tree nonrestricted_type;
};
struct GTY((variable_size)) lang_decl {
#define GFC_TYPE_ARRAY_BASE_DECL(node, internal) \
(TYPE_LANG_SPECIFIC(node)->base_decl[(internal)])
+
/* 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
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