[PATCH] Merge more of the expand phase into expand

[Jan Hubicka]

> 
> This is the followup I promised to do on the expand and rtl_eh pass
> merge.  The following patch merges up to unshare_all_rtl, after which
> we should be able to pass all RTL testing(?)
> 
> Bootstrapped and tested on x86_64-unknown-linux-gnu.
> 
> Honza, does this look like what you had in mind?

Yes, this looks just fine ;)
> Index: gcc/passes.c
> ===================================================================
> *** gcc/passes.c	(revision 185564)
> --- gcc/passes.c	(working copy)
> *************** init_optimization_passes (void)
> *** 1429,1438 ****
>     NEXT_PASS (pass_rest_of_compilation);
>       {
>         struct opt_pass **p = &pass_rest_of_compilation.pass.sub;
> -       NEXT_PASS (pass_init_function);
> -       NEXT_PASS (pass_jump);
> -       NEXT_PASS (pass_initial_value_sets);
> -       NEXT_PASS (pass_unshare_all_rtl);
>         NEXT_PASS (pass_instantiate_virtual_regs);
>         NEXT_PASS (pass_into_cfg_layout_mode);
These two are sane and resonable passes (though we eventually may go into 
cfg layout directly, but that will still require a lot of massaging of ages
old code)
>         NEXT_PASS (pass_jump2);
This pass is good next candidate for removal.  I have it in my TODO now ;)

Thanks!
Honza