/* gfortran backend interface
- Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation,
- Inc.
+ Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006
+ Free Software Foundation, Inc.
Contributed by Paul Brook.
This file is part of GCC.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA. */
/* f95-lang.c-- GCC backend interface stuff */
GTY(())
{
/* struct gfc_language_function base; */
- tree named_labels;
- tree shadowed_labels;
- int returns_value;
- int returns_abnormally;
- int warn_about_return_type;
- int extern_inline;
struct binding_level *binding_level;
};
static void gfc_clear_binding_stack (void);
static void gfc_be_parse_file (int);
static void gfc_expand_function (tree);
+static HOST_WIDE_INT gfc_get_alias_set (tree);
#undef LANG_HOOKS_NAME
#undef LANG_HOOKS_INIT
#undef LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE
#undef LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION
#undef LANG_HOOKS_CLEAR_BINDING_STACK
+#undef LANG_HOOKS_GET_ALIAS_SET
+#undef LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE
+#undef LANG_HOOKS_OMP_PREDETERMINED_SHARING
+#undef LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR
+#undef LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR
+#undef LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE
+#undef LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES
/* Define lang hooks. */
#define LANG_HOOKS_NAME "GNU F95"
#define LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE gfc_signed_or_unsigned_type
#define LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION gfc_expand_function
#define LANG_HOOKS_CLEAR_BINDING_STACK gfc_clear_binding_stack
+#define LANG_HOOKS_GET_ALIAS_SET gfc_get_alias_set
+#define LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE gfc_omp_privatize_by_reference
+#define LANG_HOOKS_OMP_PREDETERMINED_SHARING gfc_omp_predetermined_sharing
+#define LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR gfc_omp_clause_default_ctor
+#define LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR gfc_omp_disregard_value_expr
+#define LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE gfc_omp_private_debug_clause
+#define LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES \
+ gfc_omp_firstprivatize_type_sizes
const struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER;
};
#undef DEFTREECODE
-static tree named_labels;
#define NULL_BINDING_LEVEL (struct binding_level *) NULL
static void
gfc_expand_function (tree fndecl)
{
+ tree t;
+
+ if (DECL_INITIAL (fndecl)
+ && BLOCK_SUBBLOCKS (DECL_INITIAL (fndecl)))
+ {
+ /* Local static equivalenced variables are never seen by
+ check_global_declarations, so we need to output debug
+ info by hand. */
+
+ t = BLOCK_SUBBLOCKS (DECL_INITIAL (fndecl));
+ for (t = BLOCK_VARS (t); t; t = TREE_CHAIN (t))
+ if (TREE_CODE (t) == VAR_DECL && DECL_HAS_VALUE_EXPR_P (t)
+ && TREE_STATIC (t))
+ {
+ tree expr = DECL_VALUE_EXPR (t);
+
+ if (TREE_CODE (expr) == COMPONENT_REF
+ && TREE_CODE (TREE_OPERAND (expr, 0)) == VAR_DECL
+ && TREE_CODE (TREE_TYPE (TREE_OPERAND (expr, 0)))
+ == UNION_TYPE
+ && cgraph_varpool_node (TREE_OPERAND (expr, 0))->needed
+ && errorcount == 0 && sorrycount == 0)
+ {
+ timevar_push (TV_SYMOUT);
+ (*debug_hooks->global_decl) (t);
+ timevar_pop (TV_SYMOUT);
+ }
+ }
+ }
+
tree_rest_of_compilation (fndecl);
}
\f
if (TREE_CODE (expr) == INTEGER_CST)
return integer_zerop (expr) ? boolean_false_node : boolean_true_node;
else
- return build2 (NE_EXPR, boolean_type_node, expr, integer_zero_node);
+ return build2 (NE_EXPR, boolean_type_node, expr,
+ build_int_cst (TREE_TYPE (expr), 0));
default:
internal_error ("Unexpected type in truthvalue_conversion");
gfc_init (void)
{
#ifdef USE_MAPPED_LOCATION
- linemap_add (&line_table, LC_ENTER, false, gfc_option.source, 1);
+ linemap_add (&line_table, LC_ENTER, false, gfc_source_file, 1);
linemap_add (&line_table, LC_RENAME, false, "<built-in>", 0);
#endif
/* Then the frontend. */
gfc_init_1 ();
- if (gfc_new_file (gfc_option.source, gfc_option.source_form) != SUCCESS)
- fatal_error ("can't open input file: %s", gfc_option.source);
+ if (gfc_new_file () != SUCCESS)
+ fatal_error ("can't open input file: %s", gfc_source_file);
return true;
}
binding level is a function body, or if there are any nested blocks then
create a BLOCK node to record them for the life of this function. */
if (keep || functionbody)
- block_node = build_block (keep ? decl_chain : 0, 0, subblock_chain, 0, 0);
+ block_node = build_block (keep ? decl_chain : 0, subblock_chain, 0, 0);
/* Record the BLOCK node just built as the subblock its enclosing scope. */
for (subblock_node = subblock_chain; subblock_node;
TREE_CHAIN (decl) = current_binding_level->names;
current_binding_level->names = decl;
- /* For the declartion of a type, set its name if it is not already set. */
+ /* For the declaration of a type, set its name if it is not already set. */
if (TREE_CODE (decl) == TYPE_DECL && TYPE_NAME (TREE_TYPE (decl)) == 0)
{
gfc_init_decl_processing (void)
{
current_function_decl = NULL;
- named_labels = NULL;
current_binding_level = NULL_BINDING_LEVEL;
free_binding_level = NULL_BINDING_LEVEL;
build_common_tree_nodes (false, false);
set_sizetype (long_unsigned_type_node);
build_common_tree_nodes_2 (0);
+ void_list_node = build_tree_list (NULL_TREE, void_type_node);
/* Set up F95 type nodes. */
gfc_init_kinds ();
}
}
+/* Return the typed-based alias set for T, which may be an expression
+ or a type. Return -1 if we don't do anything special. */
+
+static HOST_WIDE_INT
+gfc_get_alias_set (tree t)
+{
+ tree u;
+
+ /* Permit type-punning when accessing an EQUIVALENCEd variable or
+ mixed type entry master's return value. */
+ for (u = t; handled_component_p (u); u = TREE_OPERAND (u, 0))
+ if (TREE_CODE (u) == COMPONENT_REF
+ && TREE_CODE (TREE_TYPE (TREE_OPERAND (u, 0))) == UNION_TYPE)
+ return 0;
+
+ return -1;
+}
+
/* press the big red button - garbage (ggc) collection is on */
int ggc_p = 1;
#define DO_DEFINE_MATH_BUILTIN(code, name, argtype, tbase) \
+ gfc_define_builtin ("__builtin_" name "l", tbase##longdouble[argtype], \
+ BUILT_IN_ ## code ## L, name "l", true); \
gfc_define_builtin ("__builtin_" name, tbase##double[argtype], \
BUILT_IN_ ## code, name, true); \
gfc_define_builtin ("__builtin_" name "f", tbase##float[argtype], \
#define DEFINE_MATH_BUILTIN(code, name, argtype) \
DO_DEFINE_MATH_BUILTIN (code, name, argtype, mfunc_)
-/* The middle-end is missing builtins for some complex math functions, so
- we don't use them yet. */
#define DEFINE_MATH_BUILTIN_C(code, name, argtype) \
- DO_DEFINE_MATH_BUILTIN (code, name, argtype, mfunc_)
-/* DO_DEFINE_MATH_BUILTIN (C##code, "c" name, argtype, mfunc_c)*/
+ DO_DEFINE_MATH_BUILTIN (code, name, argtype, mfunc_) \
+ DO_DEFINE_MATH_BUILTIN (C##code, "c" name, argtype, mfunc_c)
/* Create function types for builtin functions. */
tree tmp;
/* type (*) (type) */
- tmp = tree_cons (NULL_TREE, float_type_node, void_list_node);
+ tmp = tree_cons (NULL_TREE, type, void_list_node);
fntype[0] = build_function_type (type, tmp);
/* type (*) (type, type) */
- tmp = tree_cons (NULL_TREE, float_type_node, tmp);
+ tmp = tree_cons (NULL_TREE, type, tmp);
fntype[1] = build_function_type (type, tmp);
/* type (*) (int, type) */
tmp = tree_cons (NULL_TREE, integer_type_node, void_list_node);
fntype[2] = build_function_type (type, tmp);
}
+static tree
+builtin_type_for_size (int size, bool unsignedp)
+{
+ tree type = lang_hooks.types.type_for_size (size, unsignedp);
+ return type ? type : error_mark_node;
+}
/* Initialization of builtin function nodes. */
static void
gfc_init_builtin_functions (void)
{
+ enum builtin_type
+ {
+#define DEF_PRIMITIVE_TYPE(NAME, VALUE) NAME,
+#define DEF_FUNCTION_TYPE_0(NAME, RETURN) NAME,
+#define DEF_FUNCTION_TYPE_1(NAME, RETURN, ARG1) NAME,
+#define DEF_FUNCTION_TYPE_2(NAME, RETURN, ARG1, ARG2) NAME,
+#define DEF_FUNCTION_TYPE_3(NAME, RETURN, ARG1, ARG2, ARG3) NAME,
+#define DEF_FUNCTION_TYPE_4(NAME, RETURN, ARG1, ARG2, ARG3, ARG4) NAME,
+#define DEF_FUNCTION_TYPE_5(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) NAME,
+#define DEF_FUNCTION_TYPE_6(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6) NAME,
+#define DEF_FUNCTION_TYPE_7(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, ARG7) NAME,
+#define DEF_FUNCTION_TYPE_VAR_0(NAME, RETURN) NAME,
+#define DEF_POINTER_TYPE(NAME, TYPE) NAME,
+#include "types.def"
+#undef DEF_PRIMITIVE_TYPE
+#undef DEF_FUNCTION_TYPE_0
+#undef DEF_FUNCTION_TYPE_1
+#undef DEF_FUNCTION_TYPE_2
+#undef DEF_FUNCTION_TYPE_3
+#undef DEF_FUNCTION_TYPE_4
+#undef DEF_FUNCTION_TYPE_5
+#undef DEF_FUNCTION_TYPE_6
+#undef DEF_FUNCTION_TYPE_7
+#undef DEF_FUNCTION_TYPE_VAR_0
+#undef DEF_POINTER_TYPE
+ BT_LAST
+ };
+ typedef enum builtin_type builtin_type;
+ enum
+ {
+ /* So far we need just these 2 attribute types. */
+ ATTR_NOTHROW_LIST,
+ ATTR_CONST_NOTHROW_LIST
+ };
+
tree mfunc_float[3];
tree mfunc_double[3];
+ tree mfunc_longdouble[3];
tree mfunc_cfloat[3];
tree mfunc_cdouble[3];
+ tree mfunc_clongdouble[3];
tree func_cfloat_float;
tree func_cdouble_double;
+ tree func_clongdouble_longdouble;
tree ftype;
tree tmp;
+ tree builtin_types[(int) BT_LAST + 1];
build_builtin_fntypes (mfunc_float, float_type_node);
build_builtin_fntypes (mfunc_double, double_type_node);
+ build_builtin_fntypes (mfunc_longdouble, long_double_type_node);
build_builtin_fntypes (mfunc_cfloat, complex_float_type_node);
build_builtin_fntypes (mfunc_cdouble, complex_double_type_node);
+ build_builtin_fntypes (mfunc_clongdouble, complex_long_double_type_node);
tmp = tree_cons (NULL_TREE, complex_float_type_node, void_list_node);
func_cfloat_float = build_function_type (float_type_node, tmp);
tmp = tree_cons (NULL_TREE, complex_double_type_node, void_list_node);
func_cdouble_double = build_function_type (double_type_node, tmp);
+ tmp = tree_cons (NULL_TREE, complex_long_double_type_node, void_list_node);
+ func_clongdouble_longdouble =
+ build_function_type (long_double_type_node, tmp);
+
#include "mathbuiltins.def"
/* We define these separately as the fortran versions have different
semantics (they return an integer type) */
- gfc_define_builtin ("__builtin_floor", mfunc_double[0],
- BUILT_IN_FLOOR, "floor", true);
- gfc_define_builtin ("__builtin_floorf", mfunc_float[0],
- BUILT_IN_FLOORF, "floorf", true);
+ gfc_define_builtin ("__builtin_roundl", mfunc_longdouble[0],
+ BUILT_IN_ROUNDL, "roundl", true);
gfc_define_builtin ("__builtin_round", mfunc_double[0],
BUILT_IN_ROUND, "round", true);
gfc_define_builtin ("__builtin_roundf", mfunc_float[0],
BUILT_IN_ROUNDF, "roundf", true);
-
+
+ gfc_define_builtin ("__builtin_truncl", mfunc_longdouble[0],
+ BUILT_IN_TRUNCL, "truncl", true);
+ gfc_define_builtin ("__builtin_trunc", mfunc_double[0],
+ BUILT_IN_TRUNC, "trunc", true);
+ gfc_define_builtin ("__builtin_truncf", mfunc_float[0],
+ BUILT_IN_TRUNCF, "truncf", true);
+
+ gfc_define_builtin ("__builtin_cabsl", func_clongdouble_longdouble,
+ BUILT_IN_CABSL, "cabsl", true);
gfc_define_builtin ("__builtin_cabs", func_cdouble_double,
BUILT_IN_CABS, "cabs", true);
gfc_define_builtin ("__builtin_cabsf", func_cfloat_float,
BUILT_IN_CABSF, "cabsf", true);
+ gfc_define_builtin ("__builtin_copysignl", mfunc_longdouble[1],
+ BUILT_IN_COPYSIGNL, "copysignl", true);
gfc_define_builtin ("__builtin_copysign", mfunc_double[1],
BUILT_IN_COPYSIGN, "copysign", true);
gfc_define_builtin ("__builtin_copysignf", mfunc_float[1],
BUILT_IN_COPYSIGNF, "copysignf", true);
/* These are used to implement the ** operator. */
+ gfc_define_builtin ("__builtin_powl", mfunc_longdouble[1],
+ BUILT_IN_POWL, "powl", true);
gfc_define_builtin ("__builtin_pow", mfunc_double[1],
BUILT_IN_POW, "pow", true);
gfc_define_builtin ("__builtin_powf", mfunc_float[1],
gfc_define_builtin ("__builtin_expect", ftype, BUILT_IN_EXPECT,
"__builtin_expect", true);
+#define DEF_PRIMITIVE_TYPE(ENUM, VALUE) \
+ builtin_types[(int) ENUM] = VALUE;
+#define DEF_FUNCTION_TYPE_0(ENUM, RETURN) \
+ builtin_types[(int) ENUM] \
+ = build_function_type (builtin_types[(int) RETURN], \
+ void_list_node);
+#define DEF_FUNCTION_TYPE_1(ENUM, RETURN, ARG1) \
+ builtin_types[(int) ENUM] \
+ = build_function_type (builtin_types[(int) RETURN], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG1], \
+ void_list_node));
+#define DEF_FUNCTION_TYPE_2(ENUM, RETURN, ARG1, ARG2) \
+ builtin_types[(int) ENUM] \
+ = build_function_type \
+ (builtin_types[(int) RETURN], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG1], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG2], \
+ void_list_node)));
+#define DEF_FUNCTION_TYPE_3(ENUM, RETURN, ARG1, ARG2, ARG3) \
+ builtin_types[(int) ENUM] \
+ = build_function_type \
+ (builtin_types[(int) RETURN], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG1], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG2], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG3], \
+ void_list_node))));
+#define DEF_FUNCTION_TYPE_4(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4) \
+ builtin_types[(int) ENUM] \
+ = build_function_type \
+ (builtin_types[(int) RETURN], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG1], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG2], \
+ tree_cons \
+ (NULL_TREE, \
+ builtin_types[(int) ARG3], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG4], \
+ void_list_node)))));
+#define DEF_FUNCTION_TYPE_5(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) \
+ builtin_types[(int) ENUM] \
+ = build_function_type \
+ (builtin_types[(int) RETURN], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG1], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG2], \
+ tree_cons \
+ (NULL_TREE, \
+ builtin_types[(int) ARG3], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG4], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG5],\
+ void_list_node))))));
+#define DEF_FUNCTION_TYPE_6(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
+ ARG6) \
+ builtin_types[(int) ENUM] \
+ = build_function_type \
+ (builtin_types[(int) RETURN], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG1], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG2], \
+ tree_cons \
+ (NULL_TREE, \
+ builtin_types[(int) ARG3], \
+ tree_cons \
+ (NULL_TREE, \
+ builtin_types[(int) ARG4], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG5], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG6],\
+ void_list_node)))))));
+#define DEF_FUNCTION_TYPE_7(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \
+ ARG6, ARG7) \
+ builtin_types[(int) ENUM] \
+ = build_function_type \
+ (builtin_types[(int) RETURN], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG1], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG2], \
+ tree_cons \
+ (NULL_TREE, \
+ builtin_types[(int) ARG3], \
+ tree_cons \
+ (NULL_TREE, \
+ builtin_types[(int) ARG4], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG5], \
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG6],\
+ tree_cons (NULL_TREE, \
+ builtin_types[(int) ARG6], \
+ void_list_node))))))));
+#define DEF_FUNCTION_TYPE_VAR_0(ENUM, RETURN) \
+ builtin_types[(int) ENUM] \
+ = build_function_type (builtin_types[(int) RETURN], NULL_TREE);
+#define DEF_POINTER_TYPE(ENUM, TYPE) \
+ builtin_types[(int) ENUM] \
+ = build_pointer_type (builtin_types[(int) TYPE]);
+#include "types.def"
+#undef DEF_PRIMITIVE_TYPE
+#undef DEF_FUNCTION_TYPE_1
+#undef DEF_FUNCTION_TYPE_2
+#undef DEF_FUNCTION_TYPE_3
+#undef DEF_FUNCTION_TYPE_4
+#undef DEF_FUNCTION_TYPE_5
+#undef DEF_FUNCTION_TYPE_6
+#undef DEF_FUNCTION_TYPE_VAR_0
+#undef DEF_POINTER_TYPE
+ builtin_types[(int) BT_LAST] = NULL_TREE;
+
+ /* Initialize synchronization builtins. */
+#undef DEF_SYNC_BUILTIN
+#define DEF_SYNC_BUILTIN(code, name, type, attr) \
+ gfc_define_builtin (name, builtin_types[type], code, name, \
+ attr == ATTR_CONST_NOTHROW_LIST);
+#include "../sync-builtins.def"
+#undef DEF_SYNC_BUILTIN
+
+ if (gfc_option.flag_openmp)
+ {
+#undef DEF_GOMP_BUILTIN
+#define DEF_GOMP_BUILTIN(code, name, type, attr) \
+ gfc_define_builtin ("__builtin_" name, builtin_types[type], \
+ code, name, attr == ATTR_CONST_NOTHROW_LIST);
+#include "../omp-builtins.def"
+#undef DEF_GOMP_BUILTIN
+ }
+
+ gfc_define_builtin ("__builtin_trap", builtin_types[BT_FN_VOID],
+ BUILT_IN_TRAP, NULL, false);
+ TREE_THIS_VOLATILE (built_in_decls[BUILT_IN_TRAP]) = 1;
+
build_common_builtin_nodes ();
targetm.init_builtins ();
}
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