GH-90690: Remove PRECALL instruction (GH-92925)

Author: markshannon

Doc/library/dis.rst

@@ -45,9 +45,8 @@ the following command can be used to display the disassembly of
      2           2 PUSH_NULL
                  4 LOAD_GLOBAL              1 (NULL + len)
                  6 LOAD_FAST                0 (alist)
-                 8 PRECALL                  1
-                10 CALL                     1
-                12 RETURN_VALUE
+                 8 CALL                     1
+                18 RETURN_VALUE
 
 (The "2" is a line number).
 
@@ -119,7 +118,6 @@ Example::
     PUSH_NULL
     LOAD_GLOBAL
     LOAD_FAST
-    PRECALL
     CALL
     RETURN_VALUE
 
@@ -1182,15 +1180,6 @@ iterations of the loop.
    .. versionadded:: 3.7
 
 
-.. opcode:: PRECALL (argc)
-
-   Prefixes :opcode:`CALL`. Logically this is a no op.
-   It exists to enable effective specialization of calls.
-   ``argc`` is the number of arguments as described in :opcode:`CALL`.
-
-   .. versionadded:: 3.11
-
-
 .. opcode:: PUSH_NULL
 
     Pushes a ``NULL`` to the stack.
@@ -1202,7 +1191,7 @@ iterations of the loop.
 
 .. opcode:: KW_NAMES (i)
 
-   Prefixes :opcode:`PRECALL`.
+   Prefixes :opcode:`CALL`.
    Stores a reference to ``co_consts[consti]`` into an internal variable
    for use by :opcode:`CALL`. ``co_consts[consti]`` must be a tuple of strings.
 

Include/internal/pycore_code.h

@@ -80,12 +80,6 @@ typedef struct {
 
 #define INLINE_CACHE_ENTRIES_CALL CACHE_ENTRIES(_PyCallCache)
 
-typedef struct {
-    _Py_CODEUNIT counter;
-} _PyPrecallCache;
-
-#define INLINE_CACHE_ENTRIES_PRECALL CACHE_ENTRIES(_PyPrecallCache)
-
 typedef struct {
     _Py_CODEUNIT counter;
 } _PyStoreSubscrCache;
@@ -249,8 +243,6 @@ extern int _Py_Specialize_BinarySubscr(PyObject *sub, PyObject *container, _Py_C
 extern int _Py_Specialize_StoreSubscr(PyObject *container, PyObject *sub, _Py_CODEUNIT *instr);
 extern int _Py_Specialize_Call(PyObject *callable, _Py_CODEUNIT *instr,
                                int nargs, PyObject *kwnames);
-extern int _Py_Specialize_Precall(PyObject *callable, _Py_CODEUNIT *instr,
-                                  int nargs, PyObject *kwnames, int oparg);
 extern void _Py_Specialize_BinaryOp(PyObject *lhs, PyObject *rhs, _Py_CODEUNIT *instr,
                                     int oparg, PyObject **locals);
 extern void _Py_Specialize_CompareOp(PyObject *lhs, PyObject *rhs,