On Mon, Jan 18, 2010 at 11:24 AM, Paulo J. Matos <pocma...@gmail.com> wrote: > Hi, > > As a continuation of my previous issue, what's the difference between > cfun and current_function_decl and which one should I use to walk the > tree during TARGET_FUNCTION_OK_FOR_SIBCALL? > > [In the internals document I only found references to cfun and even > there was hard to understand what it actually is]
It's supposed to be that cfun->decl == current_function_decl. Use cfun in the middle-end, current_function_decl is used by frontends as long as there is no struct function allocated for a function. Richard.
