I like this approach a lot. One thing, though: On 04/01/2016 03:13 PM, Patrick Palka wrote:
+struct GTY((chain_next ("%h.prev"))) bpr_entry +{ + tree body; + tree parms; + tree res; + struct bpr_entry *prev; +}; + /* Representation of entries in the constexpr function definition table. */struct GTY((for_user)) constexpr_fundef { tree decl; tree body; + /* A chain of unused copies of this function's body awaiting reuse for + CALL_EXPR evaluation. */ + struct bpr_entry *bpr_freelist; };
The freelist should be discarded on GC. I think the way to achieve that is to put all the freelists into a separate deletable hash table rather than hang them off the fundefs.
Jason
