fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
gcc * 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'. gcc/java * lang.c (java_can_use_bit_fields_p): Removed. (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed. From-SVN: r120647
This commit is contained in:
Tom Tromey
Tom Tromey
parent
e0ae13896e
commit
08f0e79ed9
7 changed files with 19 additions and 34 deletions
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@ -1,3 +1,14 @@
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2007-01-10 Tom Tromey <tromey@redhat.com>
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* fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
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(fold_binary): Likewise.
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* langhooks.c (lhd_can_use_bit_fields_p): Removed.
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* langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
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(LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
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(LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
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* langhooks.h (struct lang_hooks): Removed field
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'can_use_bit_fields_p'.
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2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
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* config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
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@ -1,6 +1,6 @@
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/* Fold a constant sub-tree into a single node for C-compiler
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Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
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2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
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2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
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This file is part of GCC.
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@ -5117,11 +5117,6 @@ fold_truthop (enum tree_code code, tree truth_type, tree lhs, tree rhs)
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return 0;
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}
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/* After this point all optimizations will generate bit-field
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references, which we might not want. */
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if (! lang_hooks.can_use_bit_fields_p ())
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return 0;
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/* See if we can find a mode that contains both fields being compared on
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the left. If we can't, fail. Otherwise, update all constants and masks
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to be relative to a field of that size. */
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@ -10947,8 +10942,7 @@ fold_binary (enum tree_code code, tree type, tree op0, tree op1)
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}
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/* If this is a comparison of a field, we may be able to simplify it. */
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if (((TREE_CODE (arg0) == COMPONENT_REF
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&& lang_hooks.can_use_bit_fields_p ())
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if ((TREE_CODE (arg0) == COMPONENT_REF
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|| TREE_CODE (arg0) == BIT_FIELD_REF)
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/* Handle the constant case even without -O
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to make sure the warnings are given. */
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@ -1,3 +1,8 @@
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2007-01-10 Tom Tromey <tromey@redhat.com>
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* lang.c (java_can_use_bit_fields_p): Removed.
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(LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
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2007-01-09 Andrew Haley <aph@redhat.com>
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* expr.c (build_java_arrayaccess): Rewrite to generate array
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@ -60,7 +60,6 @@ static tree java_tree_inlining_walk_subtrees (tree *, int *, walk_tree_fn,
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void *, struct pointer_set_t *);
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static int merge_init_test_initialization (void * *, void *);
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static int inline_init_test_initialization (void * *, void *);
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static bool java_can_use_bit_fields_p (void);
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static bool java_dump_tree (void *, tree);
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static void dump_compound_expr (dump_info_p, tree);
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static bool java_decl_ok_for_sibcall (tree);
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@ -178,8 +177,6 @@ struct language_function GTY(())
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#define LANG_HOOKS_DECL_PRINTABLE_NAME lang_printable_name
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#undef LANG_HOOKS_PRINT_ERROR_FUNCTION
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#define LANG_HOOKS_PRINT_ERROR_FUNCTION java_print_error_function
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#undef LANG_HOOKS_CAN_USE_BIT_FIELDS_P
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#define LANG_HOOKS_CAN_USE_BIT_FIELDS_P java_can_use_bit_fields_p
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#undef LANG_HOOKS_TYPE_FOR_MODE
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#define LANG_HOOKS_TYPE_FOR_MODE java_type_for_mode
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@ -597,14 +594,6 @@ java_init_options (unsigned int argc ATTRIBUTE_UNUSED,
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return CL_Java;
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}
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static bool
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java_can_use_bit_fields_p (void)
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{
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/* The bit-field optimizations cause problems when generating class
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files. */
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return flag_emit_class_files ? false : true;
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}
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/* Post-switch processing. */
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static bool
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java_post_options (const char **pfilename)
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@ -1,5 +1,5 @@
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/* Default macros to initialize the lang_hooks data structure.
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Copyright 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
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Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
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Contributed by Alexandre Oliva <aoliva@redhat.com>
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This file is part of GCC.
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@ -60,7 +60,6 @@ extern int lhd_expand_decl (tree);
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extern void lhd_print_error_function (struct diagnostic_context *,
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const char *);
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extern void lhd_set_decl_assembler_name (tree);
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extern bool lhd_can_use_bit_fields_p (void);
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extern bool lhd_warn_unused_global_decl (tree);
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extern void lhd_incomplete_type_error (tree, tree);
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extern tree lhd_type_promotes_to (tree);
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@ -116,7 +115,6 @@ extern void lhd_omp_firstprivatize_type_sizes (struct gimplify_omp_ctx *,
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#define LANG_HOOKS_STATICP lhd_staticp
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#define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL lhd_do_nothing_t
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#define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME lhd_set_decl_assembler_name
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#define LANG_HOOKS_CAN_USE_BIT_FIELDS_P lhd_can_use_bit_fields_p
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#define LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS false
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#define LANG_HOOKS_NO_BODY_BLOCKS false
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#define LANG_HOOKS_PRINT_STATISTICS lhd_do_nothing
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@ -303,7 +301,6 @@ extern tree lhd_make_node (enum tree_code);
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LANG_HOOKS_STATICP, \
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LANG_HOOKS_DUP_LANG_SPECIFIC_DECL, \
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LANG_HOOKS_SET_DECL_ASSEMBLER_NAME, \
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LANG_HOOKS_CAN_USE_BIT_FIELDS_P, \
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LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS, \
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LANG_HOOKS_NO_BODY_BLOCKS, \
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LANG_HOOKS_PRINT_STATISTICS, \
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@ -185,13 +185,6 @@ lhd_set_decl_assembler_name (tree decl)
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}
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}
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/* By default we always allow bit-field based optimizations. */
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bool
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lhd_can_use_bit_fields_p (void)
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{
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return true;
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}
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/* Type promotion for variable arguments. */
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tree
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lhd_type_promotes_to (tree ARG_UNUSED (type))
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@ -347,10 +347,6 @@ struct lang_hooks
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assembler does not talk about it. */
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void (*set_decl_assembler_name) (tree);
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/* Return nonzero if fold-const is free to use bit-field
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optimizations, for instance in fold_truthop(). */
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bool (*can_use_bit_fields_p) (void);
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/* Nonzero if operations on types narrower than their mode should
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have their results reduced to the precision of the type. */
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bool reduce_bit_field_operations;
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