/* Default language-specific hooks.
- Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ Copyright 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
Contributed by Alexandre Oliva <aoliva@redhat.com>
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. */
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
+#include "intl.h"
#include "tm.h"
#include "toplev.h"
#include "tree.h"
#include "tree-inline.h"
-#include "tree-simple.h"
+#include "tree-gimple.h"
#include "rtl.h"
#include "insn-config.h"
#include "integrate.h"
/* Do nothing (tree). */
void
-lhd_do_nothing_t (tree t ATTRIBUTE_UNUSED)
+lhd_do_nothing_t (tree ARG_UNUSED (t))
{
}
/* Do nothing (int). */
void
-lhd_do_nothing_i (int i ATTRIBUTE_UNUSED)
+lhd_do_nothing_i (int ARG_UNUSED (i))
{
}
/* Do nothing (int, int, int). Return NULL_TREE. */
tree
-lhd_do_nothing_iii_return_null_tree (int i ATTRIBUTE_UNUSED,
- int j ATTRIBUTE_UNUSED,
- int k ATTRIBUTE_UNUSED)
+lhd_do_nothing_iii_return_null_tree (int ARG_UNUSED (i),
+ int ARG_UNUSED (j),
+ int ARG_UNUSED (k))
{
return NULL_TREE;
}
/* Do nothing (function). */
void
-lhd_do_nothing_f (struct function *f ATTRIBUTE_UNUSED)
+lhd_do_nothing_f (struct function * ARG_UNUSED (f))
{
}
/* Do nothing (return NULL_TREE). */
tree
-lhd_return_null_tree (tree t ATTRIBUTE_UNUSED)
+lhd_return_null_tree (tree ARG_UNUSED (t))
{
return NULL_TREE;
}
/* The default post options hook. */
bool
-lhd_post_options (const char **pfilename ATTRIBUTE_UNUSED)
+lhd_post_options (const char ** ARG_UNUSED (pfilename))
{
return false;
}
/* Called from by print-tree.c. */
void
-lhd_print_tree_nothing (FILE *file ATTRIBUTE_UNUSED,
- tree node ATTRIBUTE_UNUSED,
- int indent ATTRIBUTE_UNUSED)
+lhd_print_tree_nothing (FILE * ARG_UNUSED (file),
+ tree ARG_UNUSED (node),
+ int ARG_UNUSED (indent))
{
}
/* Called from safe_from_p. */
int
-lhd_safe_from_p (rtx x ATTRIBUTE_UNUSED, tree exp ATTRIBUTE_UNUSED)
+lhd_safe_from_p (rtx ARG_UNUSED (x), tree ARG_UNUSED (exp))
{
return 1;
}
-/* Called from unsafe_for_reeval. */
-
-int
-lhd_unsafe_for_reeval (tree t ATTRIBUTE_UNUSED)
-{
- return -1;
-}
-
/* Called from staticp. */
-int
-lhd_staticp (tree exp ATTRIBUTE_UNUSED)
+tree
+lhd_staticp (tree ARG_UNUSED (exp))
{
- return 0;
+ return NULL;
}
/* Called from check_global_declarations. */
return true;
}
-/* Number for making the label on the next
- static variable internal to a function. */
-
-static GTY(()) int var_labelno;
-
/* Set the DECL_ASSEMBLER_NAME for DECL. */
void
lhd_set_decl_assembler_name (tree decl)
DECL_ASSEMBLER_NAME for lots of DECLs. Only FUNCTION_DECLs and
VAR_DECLs for variables with static storage duration need a real
DECL_ASSEMBLER_NAME. */
- if (TREE_CODE (decl) == FUNCTION_DECL
- || (TREE_CODE (decl) == VAR_DECL
- && (TREE_STATIC (decl)
- || DECL_EXTERNAL (decl)
- || TREE_PUBLIC (decl))))
+ gcc_assert (TREE_CODE (decl) == FUNCTION_DECL
+ || (TREE_CODE (decl) == VAR_DECL
+ && (TREE_STATIC (decl)
+ || DECL_EXTERNAL (decl)
+ || TREE_PUBLIC (decl))));
+
+ /* By default, assume the name to use in assembly code is the same
+ as that used in the source language. (That's correct for C, and
+ GCC used to set DECL_ASSEMBLER_NAME to the same value as
+ DECL_NAME in build_decl, so this choice provides backwards
+ compatibility with existing front-ends.
+
+ Can't use just the variable's own name for a variable whose scope
+ is less than the whole compilation. Concatenate a distinguishing
+ number - we use the DECL_UID. */
+ if (TREE_PUBLIC (decl) || DECL_CONTEXT (decl) == NULL_TREE)
+ SET_DECL_ASSEMBLER_NAME (decl, DECL_NAME (decl));
+ else
{
- /* By default, assume the name to use in assembly code is the
- same as that used in the source language. (That's correct
- for C, and GCC used to set DECL_ASSEMBLER_NAME to the same
- value as DECL_NAME in build_decl, so this choice provides
- backwards compatibility with existing front-ends.
-
- Can't use just the variable's own name for a variable whose
- scope is less than the whole compilation. Concatenate a
- distinguishing number. */
- if (!TREE_PUBLIC (decl) && DECL_CONTEXT (decl))
- {
- const char *name = IDENTIFIER_POINTER (DECL_NAME (decl));
- char *label;
-
- ASM_FORMAT_PRIVATE_NAME (label, name, var_labelno);
- var_labelno++;
- SET_DECL_ASSEMBLER_NAME (decl, get_identifier (label));
- }
- else
- SET_DECL_ASSEMBLER_NAME (decl, DECL_NAME (decl));
+ const char *name = IDENTIFIER_POINTER (DECL_NAME (decl));
+ char *label;
+
+ ASM_FORMAT_PRIVATE_NAME (label, name, DECL_UID (decl));
+ SET_DECL_ASSEMBLER_NAME (decl, get_identifier (label));
}
- else
- /* Nobody should ever be asking for the DECL_ASSEMBLER_NAME of
- these DECLs -- unless they're in language-dependent code, in
- which case set_decl_assembler_name hook should handle things. */
- abort ();
}
/* By default we always allow bit-field based optimizations. */
return true;
}
-/* Provide a default routine to clear the binding stack. This is used
- by languages that don't need to do anything special. */
-void
-lhd_clear_binding_stack (void)
-{
- while (! lang_hooks.decls.global_bindings_p ())
- lang_hooks.decls.poplevel (0, 0, 0);
-}
-
/* Type promotion for variable arguments. */
tree
-lhd_type_promotes_to (tree type ATTRIBUTE_UNUSED)
+lhd_type_promotes_to (tree ARG_UNUSED (type))
{
- abort ();
+ gcc_unreachable ();
}
/* Registration of machine- or os-specific builtin types. */
void
-lhd_register_builtin_type (tree type ATTRIBUTE_UNUSED,
- const char* name ATTRIBUTE_UNUSED)
+lhd_register_builtin_type (tree ARG_UNUSED (type),
+ const char * ARG_UNUSED (name))
{
}
/* Invalid use of an incomplete type. */
void
-lhd_incomplete_type_error (tree value ATTRIBUTE_UNUSED, tree type)
+lhd_incomplete_type_error (tree ARG_UNUSED (value), tree type)
{
- if (TREE_CODE (type) == ERROR_MARK)
- return;
-
- abort ();
+ gcc_assert (TREE_CODE (type) == ERROR_MARK);
+ return;
}
/* Provide a default routine for alias sets that always returns -1. This
is used by languages that don't need to do anything special. */
HOST_WIDE_INT
-lhd_get_alias_set (tree t ATTRIBUTE_UNUSED)
+lhd_get_alias_set (tree ARG_UNUSED (t))
{
return -1;
}
used by languages that haven't deal with alias sets yet. */
HOST_WIDE_INT
-hook_get_alias_set_0 (tree t ATTRIBUTE_UNUSED)
+hook_get_alias_set_0 (tree ARG_UNUSED (t))
{
return 0;
}
/* This is the default expand_expr function. */
rtx
-lhd_expand_expr (tree t ATTRIBUTE_UNUSED, rtx r ATTRIBUTE_UNUSED,
- enum machine_mode mm ATTRIBUTE_UNUSED,
- int em ATTRIBUTE_UNUSED,
- rtx *a ATTRIBUTE_UNUSED)
+lhd_expand_expr (tree ARG_UNUSED (t), rtx ARG_UNUSED (r),
+ enum machine_mode ARG_UNUSED (mm),
+ int ARG_UNUSED (em),
+ rtx * ARG_UNUSED (a))
{
- abort ();
+ gcc_unreachable ();
}
-/* This is the default expand_decl function. */
-/* The default language-specific function for expanding a DECL_STMT. After
+/* The default language-specific function for expanding a decl. After
the language-independent cases are handled, this function will be
called. If this function is not defined, it is assumed that
declarations other than those for variables and labels do not require
any RTL generation. */
int
-lhd_expand_decl (tree t ATTRIBUTE_UNUSED)
+lhd_expand_decl (tree ARG_UNUSED (t))
{
return 0;
}
/* This is the default decl_printable_name function. */
const char *
-lhd_decl_printable_name (tree decl, int verbosity ATTRIBUTE_UNUSED)
+lhd_decl_printable_name (tree decl, int ARG_UNUSED (verbosity))
{
+ gcc_assert (decl && DECL_NAME (decl));
return IDENTIFIER_POINTER (DECL_NAME (decl));
}
handle language-specific tree codes, as well as language-specific
information associated to common tree codes. If a tree node is
completely handled within this function, it should set *SUBTREES to
- 0, so that generic handling isn't attempted. For language-specific
- tree codes, generic handling would abort(), so make sure it is set
- properly. Both SUBTREES and *SUBTREES is guaranteed to be nonzero
- when the function is called. */
+ 0, so that generic handling isn't attempted. The generic handling
+ cannot deal with language-specific tree codes, so make sure it is
+ set properly. Both SUBTREES and *SUBTREES is guaranteed to be
+ nonzero when the function is called. */
tree
lhd_tree_inlining_walk_subtrees (tree *tp ATTRIBUTE_UNUSED,
int *subtrees ATTRIBUTE_UNUSED,
walk_tree_fn func ATTRIBUTE_UNUSED,
void *data ATTRIBUTE_UNUSED,
- void *htab ATTRIBUTE_UNUSED)
+ struct pointer_set_t *pset ATTRIBUTE_UNUSED)
{
return NULL_TREE;
}
return pfn;
}
-/* lang_hooks.tree_inlining.tree_chain_matters_p indicates whether the
- TREE_CHAIN of a language-specific tree node is relevant, i.e.,
- whether it should be walked, copied and preserved across copies. */
-
-int
-lhd_tree_inlining_tree_chain_matters_p (tree t ATTRIBUTE_UNUSED)
-{
- return 0;
-}
-
/* lang_hooks.tree_inlining.auto_var_in_fn_p is called to determine
whether VT is an automatic variable defined in function FT. */
|| TREE_CODE (var) == RESULT_DECL));
}
-/* lang_hooks.tree_inlining.copy_res_decl_for_inlining should return a
- declaration for the result RES of function FN to be inlined into
- CALLER. NDP points to an integer that should be set in case a new
- declaration wasn't created (presumably because RES was of aggregate
- type, such that a TARGET_EXPR is used for the result). TEXPS is a
- pointer to a varray with the stack of TARGET_EXPRs seen while
- inlining functions into caller; the top of TEXPS is supposed to
- match RES. */
-
-tree
-lhd_tree_inlining_copy_res_decl_for_inlining (tree res, tree fn, tree caller,
- void *dm ATTRIBUTE_UNUSED,
- int *ndp ATTRIBUTE_UNUSED,
- tree return_slot_addr ATTRIBUTE_UNUSED)
-{
- if (return_slot_addr)
- return build1 (INDIRECT_REF, TREE_TYPE (TREE_TYPE (return_slot_addr)),
- return_slot_addr);
- else
- return copy_decl_for_inlining (res, fn, caller);
-}
-
/* lang_hooks.tree_inlining.anon_aggr_type_p determines whether T is a
type node representing an anonymous aggregate (union, struct, etc),
i.e., one whose members are in the same scope as the union itself. */
tree
lhd_expr_size (tree exp)
{
- if (TREE_CODE_CLASS (TREE_CODE (exp)) == 'd'
+ if (DECL_P (exp)
&& DECL_SIZE_UNIT (exp) != 0)
return DECL_SIZE_UNIT (exp);
else
}
/* lang_hooks.tree_size: Determine the size of a tree with code C,
- which is a language-specific tree code in category 'x'. The
- default expects never to be called. */
+ which is a language-specific tree code in category tcc_constant or
+ tcc_exceptional. The default expects never to be called. */
size_t
lhd_tree_size (enum tree_code c ATTRIBUTE_UNUSED)
{
- abort ();
- return 0;
+ gcc_unreachable ();
}
/* Return true if decl, which is a function decl, may be called by a
return true;
}
+/* Return the COMDAT group into which DECL should be placed. */
+
+const char *
+lhd_comdat_group (tree decl)
+{
+ return IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
+}
+
/* lang_hooks.decls.final_write_globals: perform final processing on
global variables. */
void
vec[len - i - 1] = decl;
wrapup_global_declarations (vec, len);
-
check_global_declarations (vec, len);
+ emit_debug_global_declarations (vec, len);
- /* Clean up. */
+ /* Clean up. */
free (vec);
}
pp_set_prefix (context->printer, new_prefix);
if (current_function_decl == NULL)
- pp_printf (context->printer, "At top level:");
+ pp_printf (context->printer, _("At top level:"));
else
{
if (TREE_CODE (TREE_TYPE (current_function_decl)) == METHOD_TYPE)
pp_printf
- (context->printer, "In member function `%s':",
+ (context->printer, _("In member function %qs:"),
lang_hooks.decl_printable_name (current_function_decl, 2));
else
pp_printf
- (context->printer, "In function `%s':",
+ (context->printer, _("In function %qs:"),
lang_hooks.decl_printable_name (current_function_decl, 2));
}
return make_node (code);
}
-#include "gt-langhooks.h"
+HOST_WIDE_INT
+lhd_to_target_charset (HOST_WIDE_INT c)
+{
+ return c;
+}
+
+tree
+lhd_expr_to_decl (tree expr, bool *tc ATTRIBUTE_UNUSED,
+ bool *ti ATTRIBUTE_UNUSED, bool *se ATTRIBUTE_UNUSED)
+{
+ return expr;
+}
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