builtins.c (expand_builtin_saveregs): Remove static, remove exp and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.

        * builtins.c (expand_builtin_saveregs): Remove static, remove exp
        and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
        (expand_builtin_next_arg): Accept ARGLIST not EXP.
        (stabilize_va_list): New function.
        (std_expand_builtin_va_start): New function.
        (expand_builtin_va_start): New function.
        (get_varargs_alias_set): New function.
        (std_expand_builtin_va_arg): New function.
        (expand_builtin_va_arg): New function.
        (expand_builtin_va_end): New function.
        (expand_builtin_va_copy): New function.
        (expand_builtin): Call them.
        * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
        __builtin_{varargs_start,stdarg_start,end,copy}.
        (build_va_arg): New function.
        * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
        (build_va_arg): Declare.
        * c-decl.c (ptr_type_node, va_list_type_node): New.
        * c-parse.gperf (__builtin_va_arg): New.
        * c-parse.in (VA_ARG): New token.
        (unary_expr): Recognize it.
        * expr.c (expand_expr): Expand VA_ARG_EXPR.
        * expr.h (std_expand_builtin_va_start): Declare.
        (std_expand_builtin_va_arg): Declare.
        (expand_builtin_va_arg): Declare.
        (get_varargs_alias_set): Declare.
        * tree.def (VA_ARG_EXPR): New.
        * tree.h (BUILT_IN_VARARGS_START): New.
        (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
        (ptr_type_node, va_list_type_node): Declare.
        * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
        * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
        * m88k.h, m88k.c: Likewise.
        * mn10300.h, mn10300.c: Likewise.
        * pa.h, pa.c: Likewise.
        * rs6000.h, rs6000.c: Likewise.
        * sh.h, sh.c: Likewise.
        * sparc.h, sparc.c: Likewise.

        * emit-rtl.c (operand_subword): Copy alias set.
        (change_address): Likewise.

From-SVN: r28243

1 files changed, 10 insertions, 0 deletions

diff --git a/gcc/tree.h b/gcc/tree.h
index 0d7ea84..b16d73e 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -117,6 +117,11 @@ enum built_in_function
   BUILT_IN_EXTRACT_RETURN_ADDR,
   BUILT_IN_EH_RETURN,
 
+  BUILT_IN_VARARGS_START,
+  BUILT_IN_STDARG_START,
+  BUILT_IN_VA_END,
+  BUILT_IN_VA_COPY,
+
   /* C++ extensions */
   BUILT_IN_NEW,
   BUILT_IN_VEC_NEW,
@@ -1854,6 +1859,11 @@ extern tree unsigned_type_node;
 /* The type node for the ordinary character type.  */
 extern tree char_type_node;
 
+extern tree ptr_type_node;
+
+/* Type `va_list'.  Used by va_start, va_arg, etc.  */
+extern tree va_list_type_node;
+
 /* Points to the name of the input file from which the current input
    being parsed originally came (before it went into cpp).  */
 extern char *input_filename;