On 05/24/2016 06:03 PM, Trevor Saunders wrote:
On Tue, May 24, 2016 at 10:58:18AM -0600, Jeff Law wrote:
--- a/gcc/tree-ssa-threadbackward.c
+++ b/gcc/tree-ssa-threadbackward.c
@@ -356,6 +356,44 @@ profitable_jump_thread_path (vec
*&path,
return taken_edge;
}
+/* PATH is vector of blocks f
On Tue, May 24, 2016 at 10:58:18AM -0600, Jeff Law wrote:
> --- a/gcc/tree-ssa-threadbackward.c
> +++ b/gcc/tree-ssa-threadbackward.c
> @@ -356,6 +356,44 @@ profitable_jump_thread_path (vec
> *&path,
>return taken_edge;
> }
>
> +/* PATH is vector of blocks forming a jump threading path in r
Here's the next patch which does a bit more refactoring in the backwards
jump threader and extends the backwards jump threader to handle simple
copies and constant initializations.
The extension isn't all that useful right now -- while it does fire
often during bootstraps, its doing so for cas
