+2007-01-10 Tom Tromey <tromey@redhat.com>
+
+ * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
+ (fold_binary): Likewise.
+ * langhooks.c (lhd_can_use_bit_fields_p): Removed.
+ * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
+ (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
+ (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
+ * langhooks.h (struct lang_hooks): Removed field
+ 'can_use_bit_fields_p'.
+
2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
* config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
/* Fold a constant sub-tree into a single node for C-compiler
Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
This file is part of GCC.
return 0;
}
- /* After this point all optimizations will generate bit-field
- references, which we might not want. */
- if (! lang_hooks.can_use_bit_fields_p ())
- return 0;
-
/* See if we can find a mode that contains both fields being compared on
the left. If we can't, fail. Otherwise, update all constants and masks
to be relative to a field of that size. */
}
/* If this is a comparison of a field, we may be able to simplify it. */
- if (((TREE_CODE (arg0) == COMPONENT_REF
- && lang_hooks.can_use_bit_fields_p ())
+ if ((TREE_CODE (arg0) == COMPONENT_REF
|| TREE_CODE (arg0) == BIT_FIELD_REF)
/* Handle the constant case even without -O
to make sure the warnings are given. */
+2007-01-10 Tom Tromey <tromey@redhat.com>
+
+ * lang.c (java_can_use_bit_fields_p): Removed.
+ (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
+
2007-01-09 Andrew Haley <aph@redhat.com>
* expr.c (build_java_arrayaccess): Rewrite to generate array
void *, struct pointer_set_t *);
static int merge_init_test_initialization (void * *, void *);
static int inline_init_test_initialization (void * *, void *);
-static bool java_can_use_bit_fields_p (void);
static bool java_dump_tree (void *, tree);
static void dump_compound_expr (dump_info_p, tree);
static bool java_decl_ok_for_sibcall (tree);
#define LANG_HOOKS_DECL_PRINTABLE_NAME lang_printable_name
#undef LANG_HOOKS_PRINT_ERROR_FUNCTION
#define LANG_HOOKS_PRINT_ERROR_FUNCTION java_print_error_function
-#undef LANG_HOOKS_CAN_USE_BIT_FIELDS_P
-#define LANG_HOOKS_CAN_USE_BIT_FIELDS_P java_can_use_bit_fields_p
#undef LANG_HOOKS_TYPE_FOR_MODE
#define LANG_HOOKS_TYPE_FOR_MODE java_type_for_mode
return CL_Java;
}
-static bool
-java_can_use_bit_fields_p (void)
-{
- /* The bit-field optimizations cause problems when generating class
- files. */
- return flag_emit_class_files ? false : true;
-}
-
/* Post-switch processing. */
static bool
java_post_options (const char **pfilename)
/* Default macros to initialize the lang_hooks data structure.
- Copyright 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+ Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
Contributed by Alexandre Oliva <aoliva@redhat.com>
This file is part of GCC.
extern void lhd_print_error_function (struct diagnostic_context *,
const char *);
extern void lhd_set_decl_assembler_name (tree);
-extern bool lhd_can_use_bit_fields_p (void);
extern bool lhd_warn_unused_global_decl (tree);
extern void lhd_incomplete_type_error (tree, tree);
extern tree lhd_type_promotes_to (tree);
#define LANG_HOOKS_STATICP lhd_staticp
#define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL lhd_do_nothing_t
#define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME lhd_set_decl_assembler_name
-#define LANG_HOOKS_CAN_USE_BIT_FIELDS_P lhd_can_use_bit_fields_p
#define LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS false
#define LANG_HOOKS_NO_BODY_BLOCKS false
#define LANG_HOOKS_PRINT_STATISTICS lhd_do_nothing
LANG_HOOKS_STATICP, \
LANG_HOOKS_DUP_LANG_SPECIFIC_DECL, \
LANG_HOOKS_SET_DECL_ASSEMBLER_NAME, \
- LANG_HOOKS_CAN_USE_BIT_FIELDS_P, \
LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS, \
LANG_HOOKS_NO_BODY_BLOCKS, \
LANG_HOOKS_PRINT_STATISTICS, \
}
}
-/* By default we always allow bit-field based optimizations. */
-bool
-lhd_can_use_bit_fields_p (void)
-{
- return true;
-}
-
/* Type promotion for variable arguments. */
tree
lhd_type_promotes_to (tree ARG_UNUSED (type))
assembler does not talk about it. */
void (*set_decl_assembler_name) (tree);
- /* Return nonzero if fold-const is free to use bit-field
- optimizations, for instance in fold_truthop(). */
- bool (*can_use_bit_fields_p) (void);
-
/* Nonzero if operations on types narrower than their mode should
have their results reduced to the precision of the type. */
bool reduce_bit_field_operations;