bpo-44826: Specialize STORE_ATTR (GH-27590)

* Generalize cache names for LOAD_ATTR to allow store and delete specializations.

* Factor out specialization of attribute dictionary access.

* Specialize STORE_ATTR.

1 files changed, 3 insertions, 2 deletions

diff --git a/Include/internal/pycore_code.h b/Include/internal/pycore_code.h
index 312939e..3d8f9c2 100644
--- a/Include/internal/pycore_code.h
+++ b/Include/internal/pycore_code.h
@@ -23,7 +23,7 @@ typedef struct {
 typedef struct {
     uint32_t tp_version;
     uint32_t dk_version_or_hint;
-} _PyLoadAttrCache;
+} _PyAttrCache;
 
 typedef struct {
     uint32_t module_keys_version;
@@ -43,7 +43,7 @@ typedef struct {
 typedef union {
     _PyEntryZero zero;
     _PyAdaptiveEntry adaptive;
-    _PyLoadAttrCache load_attr;
+    _PyAttrCache attr;
     _PyLoadGlobalCache load_global;
 } SpecializedCacheEntry;
 
@@ -297,6 +297,7 @@ cache_backoff(_PyAdaptiveEntry *entry) {
 /* Specialization functions */
 
 int _Py_Specialize_LoadAttr(PyObject *owner, _Py_CODEUNIT *instr, PyObject *name, SpecializedCacheEntry *cache);
+int _Py_Specialize_StoreAttr(PyObject *owner, _Py_CODEUNIT *instr, PyObject *name, SpecializedCacheEntry *cache);
 int _Py_Specialize_LoadGlobal(PyObject *globals, PyObject *builtins, _Py_CODEUNIT *instr, PyObject *name, SpecializedCacheEntry *cache);
 int _Py_Specialize_BinarySubscr(PyObject *sub, PyObject *container, _Py_CODEUNIT *instr);