* ChangeLog: Follow spelling conventions.

[pf3gnuchains/gcc-fork.git] / gcc / langhooks.h

diff --git a/gcc/langhooks.h b/gcc/langhooks.h
index 0ec3c88..993d970 100644 (file)
--- a/gcc/langhooks.h
+++ b/gcc/langhooks.h
@@ -186,7 +186,7 @@ struct lang_hooks
   /* Function called with an option vector as argument, to decode a
      single option (typically starting with -f or -W or +).  It should
      return the number of command-line arguments it uses if it handles
-     the option, or 0 and not complain if it does not recognise the
+     the option, or 0 and not complain if it does not recognize the
      option.  If this function returns a negative number, then its
      absolute value is the number of command-line arguments used, but,
      in addition, no language-independent option processing should be
@@ -299,6 +299,10 @@ struct lang_hooks
      assembler does not talk about it.  */
   void (*set_decl_assembler_name) PARAMS ((tree));
 
+  /* Return nonzero if fold-const is free to use bit-field
+     optimizations, for instance in fold_truthop().  */
+  bool (*can_use_bit_fields_p) PARAMS ((void));
+
   /* Nonzero if TYPE_READONLY and TREE_READONLY should always be honored.  */
   bool honor_readonly;
 
@@ -328,6 +332,12 @@ struct lang_hooks
   void (*print_error_function) PARAMS ((struct diagnostic_context *,
                                        const char *));
 
+  /* Called from expr_size to calculate the size of the value of an
+     expression in a language-dependent way.  Returns a tree for the size
+     in bytes.  A frontend can call lhd_expr_size to get the default
+     semantics in cases that it doesn't want to handle specially.  */
+  tree (*expr_size) PARAMS ((tree));
+
   /* Pointers to machine-independent attribute tables, for front ends
      using attribs.c.  If one is NULL, it is ignored.  Respectively, a
      table of attributes specific to the language, a table of