bpo-44338: Port LOAD_GLOBAL to PEP 659 adaptive interpreter (GH-26638)

* Add specializations of LOAD_GLOBAL.

* Add more stats.

* Remove old opcache; it is no longer used.

* Add NEWS

1 files changed, 0 insertions, 14 deletions

diff --git a/Include/cpython/code.h b/Include/cpython/code.h
index f6e789dd4d..df79ddbc1b 100644
--- a/Include/cpython/code.h
+++ b/Include/cpython/code.h
@@ -106,20 +106,6 @@ struct PyCodeObject {
      interpreter. */
     union _cache_or_instruction *co_quickened;
 
-    /* Per opcodes just-in-time cache
-     *
-     * To reduce cache size, we use indirect mapping from opcode index to
-     * cache object:
-     *   cache = co_opcache[co_opcache_map[next_instr - first_instr] - 1]
-     */
-
-    // co_opcache_map is indexed by (next_instr - first_instr).
-    //  * 0 means there is no cache for this opcode.
-    //  * n > 0 means there is cache in co_opcache[n-1].
-    unsigned char *co_opcache_map;
-    _PyOpcache *co_opcache;
-    int co_opcache_flag;  // used to determine when create a cache.
-    unsigned char co_opcache_size;  // length of co_opcache.
 };
 
 /* Masks for co_flags above */