rtl.def (PREFETCH): New rtx code.
* rtl.def (PREFETCH): New rtx code.
* doc/rtl.texi (PREFETCH): Add documentation.
* function.c (instantiate_virtual_regs_1): Handle PREFETCH rtx.
* rtlanal.c (reg_referenced_p): Ditto.
* sched-vis.c (print_exp): Ditto.
* ssa-dce.c (find_inherently_necessary): Ditto.
* config/ia64/ia64.h (SIMULTANEOUS PREFETCHES): Define.
(PREFETCH_BLOCK): Define.
* config/ia64/ia64.md (itanium_class): Add lfetch.
(prefetch, prefetch_internal): New.
* builtin-types.def (BT_FN_VOID_PTR_INT_INT): New.
* builtins.def (BUILT_IN_PREFETCH): New.
* builtins.c (expand_builtin_expect): New.
(expand_builtin): Call it.
* doc/extend.texi: Document __builtin_expect.
* config/i386/i386.md (prefetch): Rename as prefetch_sse to avoid
conflicts with new generic prefetch functionality.
* config/i386/i386.c (ix86_expand_builtin): Use new name for
prefetch_sse.
From-SVN: r47576