* builtin-types.def (BT_FN_VOID_PTR_VAR): New.
* builtins.def (BUILT_IN_PREFETCH): Change arguments.
* builtins.c (expand_builtin_prefetch): Two arguments are now optional,
with defaults for read prefetch with high degree of locality.
* doc/extend.texi (__builtin_prefetch): Update documentation.
* doc/md.texi (prefetch): Add documentation.
From-SVN: r47741
* builtins.def: Encode additional information, such as names and
types, here.
* builtin-types.def: New file.
* builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
(built_in_decls): Likewise. Don't explicitly initialize global
data to NULL.
(expand_builtin_mathfn): Handle float and long double variants of
math builtins.
(expand_builtin): Likewise.
* c-common.c (c_common_nodes_and_builtins): Make it table-driven.
(expand_tree_builtin): Handle long, long long, float, and long
double variants of math functions.
* c-common.h (c_tree_index): Remove some unused nodes.
(void_ftype): Remove.
(void_type_ptr): Likewise.
(int_ftype_int): Likewise.
(ptr_ftype_sizetype): Likewise.
* c-decl.c (init_decl_processing): Remove creation of DWARF
builtins.
* defaults.h (MD_INIT_BUILTINS): Provide default definition.
* tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
* Makefile.in (c-common.o): Depend on builtin-types.def.
* decl.c (init_decl_processing): Tweak.
From-SVN: r42583