[Python-checkins] gh-102859: Remove JUMP_IF_FALSE_OR_POP and JUMP_IF_TRUE_OR_POP (#102870)

iritkatriel webhook-mailer at python.org
Wed Mar 22 14:10:57 EDT 2023


https://github.com/python/cpython/commit/3468c768ce5e467799758ec70b840da08c3c1da9
commit: 3468c768ce5e467799758ec70b840da08c3c1da9
branch: main
author: Irit Katriel <1055913+iritkatriel at users.noreply.github.com>
committer: iritkatriel <1055913+iritkatriel at users.noreply.github.com>
date: 2023-03-22T18:10:48Z
summary:

gh-102859: Remove JUMP_IF_FALSE_OR_POP and JUMP_IF_TRUE_OR_POP (#102870)

files:
A Misc/NEWS.d/next/Core and Builtins/2023-03-21-00-46-36.gh-issue-102859.PRkGca.rst
M Doc/library/dis.rst
M Doc/whatsnew/3.12.rst
M Include/internal/pycore_opcode.h
M Include/opcode.h
M Lib/importlib/_bootstrap_external.py
M Lib/opcode.py
M Lib/test/test__opcode.py
M Lib/test/test_peepholer.py
M Objects/frameobject.c
M Python/bytecodes.c
M Python/compile.c
M Python/generated_cases.c.h
M Python/opcode_metadata.h
M Python/opcode_targets.h

diff --git a/Doc/library/dis.rst b/Doc/library/dis.rst
index f4f47b3bf484..b06fe67a983a 100644
--- a/Doc/library/dis.rst
+++ b/Doc/library/dis.rst
@@ -1152,30 +1152,6 @@ iterations of the loop.
    .. versionchanged:: 3.12
       This is no longer a pseudo-instruction.
 
-
-.. opcode:: JUMP_IF_TRUE_OR_POP (delta)
-
-   If ``STACK[-1]`` is true, increments the bytecode counter by *delta* and leaves
-   ``STACK[-1]`` on the stack.  Otherwise (``STACK[-1]`` is false), ``STACK[-1]``
-   is popped.
-
-   .. versionadded:: 3.1
-
-   .. versionchanged:: 3.11
-      The oparg is now a relative delta rather than an absolute target.
-
-.. opcode:: JUMP_IF_FALSE_OR_POP (delta)
-
-   If ``STACK[-1]`` is false, increments the bytecode counter by *delta* and leaves
-   ``STACK[-1]`` on the stack. Otherwise (``STACK[-1]`` is true), ``STACK[-1]`` is
-   popped.
-
-   .. versionadded:: 3.1
-
-   .. versionchanged:: 3.11
-      The oparg is now a relative delta rather than an absolute target.
-
-
 .. opcode:: FOR_ITER (delta)
 
    ``STACK[-1]`` is an :term:`iterator`.  Call its :meth:`~iterator.__next__` method.
diff --git a/Doc/whatsnew/3.12.rst b/Doc/whatsnew/3.12.rst
index b7c956d7f784..06ea416d7513 100644
--- a/Doc/whatsnew/3.12.rst
+++ b/Doc/whatsnew/3.12.rst
@@ -435,6 +435,9 @@ CPython bytecode changes
   :opcode:`LOAD_METHOD` instruction if the low bit of its oparg is set.
   (Contributed by Ken Jin in :gh:`93429`.)
 
+* Removed the :opcode:`JUMP_IF_FALSE_OR_POP` and :opcode:`JUMP_IF_TRUE_OR_POP`
+  instructions. (Contributed by Irit Katriel in :gh:`102859`.)
+
 
 Demos and Tools
 ===============
diff --git a/Include/internal/pycore_opcode.h b/Include/internal/pycore_opcode.h
index da94fc81dcbe..edcf4476ff3e 100644
--- a/Include/internal/pycore_opcode.h
+++ b/Include/internal/pycore_opcode.h
@@ -21,7 +21,7 @@ static const uint32_t _PyOpcode_RelativeJump[9] = {
     0U,
     0U,
     536870912U,
-    135118848U,
+    135020544U,
     4163U,
     0U,
     0U,
@@ -32,7 +32,7 @@ static const uint32_t _PyOpcode_Jump[9] = {
     0U,
     0U,
     536870912U,
-    135118848U,
+    135020544U,
     4163U,
     0U,
     0U,
@@ -143,8 +143,6 @@ const uint8_t _PyOpcode_Deopt[256] = {
     [JUMP_BACKWARD] = JUMP_BACKWARD,
     [JUMP_BACKWARD_NO_INTERRUPT] = JUMP_BACKWARD_NO_INTERRUPT,
     [JUMP_FORWARD] = JUMP_FORWARD,
-    [JUMP_IF_FALSE_OR_POP] = JUMP_IF_FALSE_OR_POP,
-    [JUMP_IF_TRUE_OR_POP] = JUMP_IF_TRUE_OR_POP,
     [KW_NAMES] = KW_NAMES,
     [LIST_APPEND] = LIST_APPEND,
     [LIST_EXTEND] = LIST_EXTEND,
@@ -342,9 +340,9 @@ static const char *const _PyOpcode_OpName[263] = {
     [IMPORT_NAME] = "IMPORT_NAME",
     [IMPORT_FROM] = "IMPORT_FROM",
     [JUMP_FORWARD] = "JUMP_FORWARD",
-    [JUMP_IF_FALSE_OR_POP] = "JUMP_IF_FALSE_OR_POP",
-    [JUMP_IF_TRUE_OR_POP] = "JUMP_IF_TRUE_OR_POP",
     [STORE_FAST__LOAD_FAST] = "STORE_FAST__LOAD_FAST",
+    [STORE_FAST__STORE_FAST] = "STORE_FAST__STORE_FAST",
+    [STORE_SUBSCR_DICT] = "STORE_SUBSCR_DICT",
     [POP_JUMP_IF_FALSE] = "POP_JUMP_IF_FALSE",
     [POP_JUMP_IF_TRUE] = "POP_JUMP_IF_TRUE",
     [LOAD_GLOBAL] = "LOAD_GLOBAL",
@@ -374,7 +372,7 @@ static const char *const _PyOpcode_OpName[263] = {
     [JUMP_BACKWARD] = "JUMP_BACKWARD",
     [COMPARE_AND_BRANCH] = "COMPARE_AND_BRANCH",
     [CALL_FUNCTION_EX] = "CALL_FUNCTION_EX",
-    [STORE_FAST__STORE_FAST] = "STORE_FAST__STORE_FAST",
+    [STORE_SUBSCR_LIST_INT] = "STORE_SUBSCR_LIST_INT",
     [EXTENDED_ARG] = "EXTENDED_ARG",
     [LIST_APPEND] = "LIST_APPEND",
     [SET_ADD] = "SET_ADD",
@@ -384,15 +382,15 @@ static const char *const _PyOpcode_OpName[263] = {
     [YIELD_VALUE] = "YIELD_VALUE",
     [RESUME] = "RESUME",
     [MATCH_CLASS] = "MATCH_CLASS",
-    [STORE_SUBSCR_DICT] = "STORE_SUBSCR_DICT",
-    [STORE_SUBSCR_LIST_INT] = "STORE_SUBSCR_LIST_INT",
+    [UNPACK_SEQUENCE_LIST] = "UNPACK_SEQUENCE_LIST",
+    [UNPACK_SEQUENCE_TUPLE] = "UNPACK_SEQUENCE_TUPLE",
     [FORMAT_VALUE] = "FORMAT_VALUE",
     [BUILD_CONST_KEY_MAP] = "BUILD_CONST_KEY_MAP",
     [BUILD_STRING] = "BUILD_STRING",
-    [UNPACK_SEQUENCE_LIST] = "UNPACK_SEQUENCE_LIST",
-    [UNPACK_SEQUENCE_TUPLE] = "UNPACK_SEQUENCE_TUPLE",
     [UNPACK_SEQUENCE_TWO_TUPLE] = "UNPACK_SEQUENCE_TWO_TUPLE",
     [SEND_GEN] = "SEND_GEN",
+    [160] = "<160>",
+    [161] = "<161>",
     [LIST_EXTEND] = "LIST_EXTEND",
     [SET_UPDATE] = "SET_UPDATE",
     [DICT_MERGE] = "DICT_MERGE",
@@ -498,6 +496,8 @@ static const char *const _PyOpcode_OpName[263] = {
 #endif
 
 #define EXTRA_CASES \
+    case 160: \
+    case 161: \
     case 166: \
     case 167: \
     case 168: \
diff --git a/Include/opcode.h b/Include/opcode.h
index 760ff945f31f..8ec10742fb77 100644
--- a/Include/opcode.h
+++ b/Include/opcode.h
@@ -66,8 +66,6 @@ extern "C" {
 #define IMPORT_NAME                            108
 #define IMPORT_FROM                            109
 #define JUMP_FORWARD                           110
-#define JUMP_IF_FALSE_OR_POP                   111
-#define JUMP_IF_TRUE_OR_POP                    112
 #define POP_JUMP_IF_FALSE                      114
 #define POP_JUMP_IF_TRUE                       115
 #define LOAD_GLOBAL                            116
@@ -180,14 +178,14 @@ extern "C" {
 #define STORE_ATTR_INSTANCE_VALUE               86
 #define STORE_ATTR_SLOT                         87
 #define STORE_ATTR_WITH_HINT                    88
-#define STORE_FAST__LOAD_FAST                  113
-#define STORE_FAST__STORE_FAST                 143
-#define STORE_SUBSCR_DICT                      153
-#define STORE_SUBSCR_LIST_INT                  154
-#define UNPACK_SEQUENCE_LIST                   158
-#define UNPACK_SEQUENCE_TUPLE                  159
-#define UNPACK_SEQUENCE_TWO_TUPLE              160
-#define SEND_GEN                               161
+#define STORE_FAST__LOAD_FAST                  111
+#define STORE_FAST__STORE_FAST                 112
+#define STORE_SUBSCR_DICT                      113
+#define STORE_SUBSCR_LIST_INT                  143
+#define UNPACK_SEQUENCE_LIST                   153
+#define UNPACK_SEQUENCE_TUPLE                  154
+#define UNPACK_SEQUENCE_TWO_TUPLE              158
+#define SEND_GEN                               159
 #define DO_TRACING                             255
 
 #define HAS_ARG(op) ((((op) >= HAVE_ARGUMENT) && (!IS_PSEUDO_OPCODE(op)))\
diff --git a/Lib/importlib/_bootstrap_external.py b/Lib/importlib/_bootstrap_external.py
index a01a0955182d..3f78300c2263 100644
--- a/Lib/importlib/_bootstrap_external.py
+++ b/Lib/importlib/_bootstrap_external.py
@@ -435,6 +435,7 @@ def _write_atomic(path, data, mode=0o666):
 #     Python 3.12a6 3519 (Modify SEND instruction)
 #     Python 3.12a6 3520 (Remove PREP_RERAISE_STAR, add CALL_INTRINSIC_2)
 #     Python 3.12a7 3521 (Shrink the LOAD_GLOBAL caches)
+#     Python 3.12a7 3522 (Removed JUMP_IF_FALSE_OR_POP/JUMP_IF_TRUE_OR_POP)
 
 #     Python 3.13 will start with 3550
 
@@ -451,7 +452,7 @@ def _write_atomic(path, data, mode=0o666):
 # Whenever MAGIC_NUMBER is changed, the ranges in the magic_values array
 # in PC/launcher.c must also be updated.
 
-MAGIC_NUMBER = (3521).to_bytes(2, 'little') + b'\r\n'
+MAGIC_NUMBER = (3522).to_bytes(2, 'little') + b'\r\n'
 
 _RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little')  # For import.c
 
diff --git a/Lib/opcode.py b/Lib/opcode.py
index d4a2d554cf67..f37d00e5014a 100644
--- a/Lib/opcode.py
+++ b/Lib/opcode.py
@@ -154,8 +154,6 @@ def pseudo_op(name, op, real_ops):
 name_op('IMPORT_NAME', 108)     # Index in name list
 name_op('IMPORT_FROM', 109)     # Index in name list
 jrel_op('JUMP_FORWARD', 110)    # Number of words to skip
-jrel_op('JUMP_IF_FALSE_OR_POP', 111) # Number of words to skip
-jrel_op('JUMP_IF_TRUE_OR_POP', 112)  # ""
 jrel_op('POP_JUMP_IF_FALSE', 114)
 jrel_op('POP_JUMP_IF_TRUE', 115)
 name_op('LOAD_GLOBAL', 116)     # Index in name list
diff --git a/Lib/test/test__opcode.py b/Lib/test/test__opcode.py
index fb4ab15f7041..31f3c53992db 100644
--- a/Lib/test/test__opcode.py
+++ b/Lib/test/test__opcode.py
@@ -34,10 +34,6 @@ def test_stack_effect(self):
                 self.assertRaises(ValueError, stack_effect, code, 0)
 
     def test_stack_effect_jump(self):
-        JUMP_IF_TRUE_OR_POP = dis.opmap['JUMP_IF_TRUE_OR_POP']
-        self.assertEqual(stack_effect(JUMP_IF_TRUE_OR_POP, 0), 0)
-        self.assertEqual(stack_effect(JUMP_IF_TRUE_OR_POP, 0, jump=True), 0)
-        self.assertEqual(stack_effect(JUMP_IF_TRUE_OR_POP, 0, jump=False), -1)
         FOR_ITER = dis.opmap['FOR_ITER']
         self.assertEqual(stack_effect(FOR_ITER, 0), 1)
         self.assertEqual(stack_effect(FOR_ITER, 0, jump=True), 1)
diff --git a/Lib/test/test_peepholer.py b/Lib/test/test_peepholer.py
index 9ff017da53c2..01eb04b53060 100644
--- a/Lib/test/test_peepholer.py
+++ b/Lib/test/test_peepholer.py
@@ -52,10 +52,6 @@ def check_jump_targets(self, code):
                 tgt.opname == 'RETURN_VALUE'):
                 self.fail(f'{instr.opname} at {instr.offset} '
                           f'jumps to {tgt.opname} at {tgt.offset}')
-            # JUMP_IF_*_OR_POP jump to conditional jump
-            if '_OR_POP' in instr.opname and 'JUMP_IF_' in tgt.opname:
-                self.fail(f'{instr.opname} at {instr.offset} '
-                          f'jumps to {tgt.opname} at {tgt.offset}')
 
     def check_lnotab(self, code):
         "Check that the lnotab byte offsets are sensible."
@@ -384,38 +380,36 @@ def f():
 
     def test_elim_jump_to_uncond_jump3(self):
         # Intentionally use two-line expressions to test issue37213.
-        # JUMP_IF_FALSE_OR_POP to JUMP_IF_FALSE_OR_POP --> JUMP_IF_FALSE_OR_POP to non-jump
+        # POP_JUMP_IF_FALSE to POP_JUMP_IF_FALSE --> POP_JUMP_IF_FALSE to non-jump
         def f(a, b, c):
             return ((a and b)
                     and c)
         self.check_jump_targets(f)
         self.check_lnotab(f)
-        self.assertEqual(count_instr_recursively(f, 'JUMP_IF_FALSE_OR_POP'), 2)
-        # JUMP_IF_TRUE_OR_POP to JUMP_IF_TRUE_OR_POP --> JUMP_IF_TRUE_OR_POP to non-jump
+        self.assertEqual(count_instr_recursively(f, 'POP_JUMP_IF_FALSE'), 2)
+        # POP_JUMP_IF_TRUE to POP_JUMP_IF_TRUE --> POP_JUMP_IF_TRUE to non-jump
         def f(a, b, c):
             return ((a or b)
                     or c)
         self.check_jump_targets(f)
         self.check_lnotab(f)
-        self.assertEqual(count_instr_recursively(f, 'JUMP_IF_TRUE_OR_POP'), 2)
+        self.assertEqual(count_instr_recursively(f, 'POP_JUMP_IF_TRUE'), 2)
         # JUMP_IF_FALSE_OR_POP to JUMP_IF_TRUE_OR_POP --> POP_JUMP_IF_FALSE to non-jump
         def f(a, b, c):
             return ((a and b)
                     or c)
         self.check_jump_targets(f)
         self.check_lnotab(f)
-        self.assertNotInBytecode(f, 'JUMP_IF_FALSE_OR_POP')
-        self.assertInBytecode(f, 'JUMP_IF_TRUE_OR_POP')
-        self.assertInBytecode(f, 'POP_JUMP_IF_FALSE')
-        # JUMP_IF_TRUE_OR_POP to JUMP_IF_FALSE_OR_POP --> POP_JUMP_IF_TRUE to non-jump
+        self.assertEqual(count_instr_recursively(f, 'POP_JUMP_IF_FALSE'), 1)
+        self.assertEqual(count_instr_recursively(f, 'POP_JUMP_IF_TRUE'), 1)
+        # POP_JUMP_IF_TRUE to POP_JUMP_IF_FALSE --> POP_JUMP_IF_TRUE to non-jump
         def f(a, b, c):
             return ((a or b)
                     and c)
         self.check_jump_targets(f)
         self.check_lnotab(f)
-        self.assertNotInBytecode(f, 'JUMP_IF_TRUE_OR_POP')
-        self.assertInBytecode(f, 'JUMP_IF_FALSE_OR_POP')
-        self.assertInBytecode(f, 'POP_JUMP_IF_TRUE')
+        self.assertEqual(count_instr_recursively(f, 'POP_JUMP_IF_FALSE'), 1)
+        self.assertEqual(count_instr_recursively(f, 'POP_JUMP_IF_TRUE'), 1)
 
     def test_elim_jump_to_uncond_jump4(self):
         def f():
diff --git a/Misc/NEWS.d/next/Core and Builtins/2023-03-21-00-46-36.gh-issue-102859.PRkGca.rst b/Misc/NEWS.d/next/Core and Builtins/2023-03-21-00-46-36.gh-issue-102859.PRkGca.rst
new file mode 100644
index 000000000000..d2e2232c33cc
--- /dev/null
+++ b/Misc/NEWS.d/next/Core and Builtins/2023-03-21-00-46-36.gh-issue-102859.PRkGca.rst	
@@ -0,0 +1,2 @@
+Removed :opcode:`JUMP_IF_FALSE_OR_POP` and :opcode:`JUMP_IF_TRUE_OR_POP`
+instructions.
diff --git a/Objects/frameobject.c b/Objects/frameobject.c
index 133c991bf701..19bd4b10780b 100644
--- a/Objects/frameobject.c
+++ b/Objects/frameobject.c
@@ -306,8 +306,6 @@ mark_stacks(PyCodeObject *code_obj, int len)
             }
             opcode = code[i].op.code;
             switch (opcode) {
-                case JUMP_IF_FALSE_OR_POP:
-                case JUMP_IF_TRUE_OR_POP:
                 case POP_JUMP_IF_FALSE:
                 case POP_JUMP_IF_TRUE:
                 {
@@ -318,16 +316,8 @@ mark_stacks(PyCodeObject *code_obj, int len)
                     if (stacks[j] == UNINITIALIZED && j < i) {
                         todo = 1;
                     }
-                    if (opcode == JUMP_IF_FALSE_OR_POP ||
-                        opcode == JUMP_IF_TRUE_OR_POP)
-                    {
-                        target_stack = next_stack;
-                        next_stack = pop_value(next_stack);
-                    }
-                    else {
-                        next_stack = pop_value(next_stack);
-                        target_stack = next_stack;
-                    }
+                    next_stack = pop_value(next_stack);
+                    target_stack = next_stack;
                     assert(stacks[j] == UNINITIALIZED || stacks[j] == target_stack);
                     stacks[j] = target_stack;
                     stacks[i+1] = next_stack;
diff --git a/Python/bytecodes.c b/Python/bytecodes.c
index f1fec0be343c..b5ead16d3f1b 100644
--- a/Python/bytecodes.c
+++ b/Python/bytecodes.c
@@ -1918,56 +1918,6 @@ dummy_func(
             }
         }
 
-        inst(JUMP_IF_FALSE_OR_POP, (cond -- cond if (jump))) {
-            bool jump = false;
-            int err;
-            if (Py_IsTrue(cond)) {
-                _Py_DECREF_NO_DEALLOC(cond);
-            }
-            else if (Py_IsFalse(cond)) {
-                JUMPBY(oparg);
-                jump = true;
-            }
-            else {
-                err = PyObject_IsTrue(cond);
-                if (err > 0) {
-                    Py_DECREF(cond);
-                }
-                else if (err == 0) {
-                    JUMPBY(oparg);
-                    jump = true;
-                }
-                else {
-                    goto error;
-                }
-            }
-        }
-
-        inst(JUMP_IF_TRUE_OR_POP, (cond -- cond if (jump))) {
-            bool jump = false;
-            int err;
-            if (Py_IsFalse(cond)) {
-                _Py_DECREF_NO_DEALLOC(cond);
-            }
-            else if (Py_IsTrue(cond)) {
-                JUMPBY(oparg);
-                jump = true;
-            }
-            else {
-                err = PyObject_IsTrue(cond);
-                if (err > 0) {
-                    JUMPBY(oparg);
-                    jump = true;
-                }
-                else if (err == 0) {
-                    Py_DECREF(cond);
-                }
-                else {
-                    goto error;
-                }
-            }
-        }
-
         inst(JUMP_BACKWARD_NO_INTERRUPT, (--)) {
             /* This bytecode is used in the `yield from` or `await` loop.
              * If there is an interrupt, we want it handled in the innermost
diff --git a/Python/compile.c b/Python/compile.c
index 99296050445f..33cd6ca07d3b 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -4241,19 +4241,18 @@ compiler_boolop(struct compiler *c, expr_ty e)
     location loc = LOC(e);
     assert(e->kind == BoolOp_kind);
     if (e->v.BoolOp.op == And)
-        jumpi = JUMP_IF_FALSE_OR_POP;
+        jumpi = POP_JUMP_IF_FALSE;
     else
-        jumpi = JUMP_IF_TRUE_OR_POP;
+        jumpi = POP_JUMP_IF_TRUE;
     NEW_JUMP_TARGET_LABEL(c, end);
     s = e->v.BoolOp.values;
     n = asdl_seq_LEN(s) - 1;
     assert(n >= 0);
     for (i = 0; i < n; ++i) {
         VISIT(c, expr, (expr_ty)asdl_seq_GET(s, i));
+        ADDOP_I(c, loc, COPY, 1);
         ADDOP_JUMP(c, loc, jumpi, end);
-        NEW_JUMP_TARGET_LABEL(c, next);
-
-        USE_LABEL(c, next);
+        ADDOP(c, loc, POP_TOP);
     }
     VISIT(c, expr, (expr_ty)asdl_seq_GET(s, n));
 
@@ -4558,7 +4557,9 @@ compiler_compare(struct compiler *c, expr_ty e)
             ADDOP_I(c, loc, SWAP, 2);
             ADDOP_I(c, loc, COPY, 2);
             ADDOP_COMPARE(c, loc, asdl_seq_GET(e->v.Compare.ops, i));
-            ADDOP_JUMP(c, loc, JUMP_IF_FALSE_OR_POP, cleanup);
+            ADDOP_I(c, loc, COPY, 1);
+            ADDOP_JUMP(c, loc, POP_JUMP_IF_FALSE, cleanup);
+            ADDOP(c, loc, POP_TOP);
         }
         VISIT(c, expr, (expr_ty)asdl_seq_GET(e->v.Compare.comparators, n));
         ADDOP_COMPARE(c, loc, asdl_seq_GET(e->v.Compare.ops, n));
@@ -7836,21 +7837,6 @@ normalize_jumps_in_block(cfg_builder *g, basicblock *b) {
         case POP_JUMP_IF_TRUE:
             reversed_opcode = POP_JUMP_IF_FALSE;
             break;
-        case JUMP_IF_TRUE_OR_POP:
-        case JUMP_IF_FALSE_OR_POP:
-            if (!is_forward) {
-                /* As far as we can tell, the compiler never emits
-                 * these jumps with a backwards target. If/when this
-                 * exception is raised, we have found a use case for
-                 * a backwards version of this jump (or to replace
-                 * it with the sequence (COPY 1, POP_JUMP_IF_T/F, POP)
-                 */
-                PyErr_Format(PyExc_SystemError,
-                    "unexpected %s jumping backwards",
-                    last->i_opcode == JUMP_IF_TRUE_OR_POP ?
-                        "JUMP_IF_TRUE_OR_POP" : "JUMP_IF_FALSE_OR_POP");
-            }
-            return SUCCESS;
     }
     if (is_forward) {
         return SUCCESS;
@@ -9143,21 +9129,30 @@ optimize_basic_block(PyObject *const_cache, basicblock *bb, PyObject *consts)
     assert(PyList_CheckExact(consts));
     struct cfg_instr nop;
     INSTR_SET_OP0(&nop, NOP);
-    struct cfg_instr *target;
+    struct cfg_instr *target = &nop;
+    int opcode = 0;
+    int oparg = 0;
+    int nextop = 0;
     for (int i = 0; i < bb->b_iused; i++) {
         struct cfg_instr *inst = &bb->b_instr[i];
-        int oparg = inst->i_oparg;
-        int nextop = i+1 < bb->b_iused ? bb->b_instr[i+1].i_opcode : 0;
-        if (HAS_TARGET(inst->i_opcode)) {
-            assert(inst->i_target->b_iused > 0);
-            target = &inst->i_target->b_instr[0];
-            assert(!IS_ASSEMBLER_OPCODE(target->i_opcode));
-        }
-        else {
-            target = &nop;
+        bool is_copy_of_load_const = (opcode == LOAD_CONST &&
+                                      inst->i_opcode == COPY &&
+                                      inst->i_oparg == 1);
+        if (! is_copy_of_load_const) {
+            opcode = inst->i_opcode;
+            oparg = inst->i_oparg;
+            if (HAS_TARGET(opcode)) {
+                assert(inst->i_target->b_iused > 0);
+                target = &inst->i_target->b_instr[0];
+                assert(!IS_ASSEMBLER_OPCODE(target->i_opcode));
+            }
+            else {
+                target = &nop;
+            }
         }
-        assert(!IS_ASSEMBLER_OPCODE(inst->i_opcode));
-        switch (inst->i_opcode) {
+        nextop = i+1 < bb->b_iused ? bb->b_instr[i+1].i_opcode : 0;
+        assert(!IS_ASSEMBLER_OPCODE(opcode));
+        switch (opcode) {
             /* Remove LOAD_CONST const; conditional jump */
             case LOAD_CONST:
             {
@@ -9167,7 +9162,7 @@ optimize_basic_block(PyObject *const_cache, basicblock *bb, PyObject *consts)
                 switch(nextop) {
                     case POP_JUMP_IF_FALSE:
                     case POP_JUMP_IF_TRUE:
-                        cnt = get_const_value(inst->i_opcode, oparg, consts);
+                        cnt = get_const_value(opcode, oparg, consts);
                         if (cnt == NULL) {
                             goto error;
                         }
@@ -9185,28 +9180,8 @@ optimize_basic_block(PyObject *const_cache, basicblock *bb, PyObject *consts)
                             INSTR_SET_OP0(&bb->b_instr[i + 1], NOP);
                         }
                         break;
-                    case JUMP_IF_FALSE_OR_POP:
-                    case JUMP_IF_TRUE_OR_POP:
-                        cnt = get_const_value(inst->i_opcode, oparg, consts);
-                        if (cnt == NULL) {
-                            goto error;
-                        }
-                        is_true = PyObject_IsTrue(cnt);
-                        Py_DECREF(cnt);
-                        if (is_true == -1) {
-                            goto error;
-                        }
-                        jump_if_true = nextop == JUMP_IF_TRUE_OR_POP;
-                        if (is_true == jump_if_true) {
-                            bb->b_instr[i+1].i_opcode = JUMP;
-                        }
-                        else {
-                            INSTR_SET_OP0(inst, NOP);
-                            INSTR_SET_OP0(&bb->b_instr[i + 1], NOP);
-                        }
-                        break;
                     case IS_OP:
-                        cnt = get_const_value(inst->i_opcode, oparg, consts);
+                        cnt = get_const_value(opcode, oparg, consts);
                         if (cnt == NULL) {
                             goto error;
                         }
@@ -9252,65 +9227,6 @@ optimize_basic_block(PyObject *const_cache, basicblock *bb, PyObject *consts)
                     }
                 }
                 break;
-
-                /* Simplify conditional jump to conditional jump where the
-                   result of the first test implies the success of a similar
-                   test or the failure of the opposite test.
-                   Arises in code like:
-                   "a and b or c"
-                   "(a and b) and c"
-                   "(a or b) or c"
-                   "(a or b) and c"
-                   x:JUMP_IF_FALSE_OR_POP y   y:JUMP_IF_FALSE_OR_POP z
-                      -->  x:JUMP_IF_FALSE_OR_POP z
-                   x:JUMP_IF_FALSE_OR_POP y   y:JUMP_IF_TRUE_OR_POP z
-                      -->  x:POP_JUMP_IF_FALSE y+1
-                   where y+1 is the instruction following the second test.
-                */
-            case JUMP_IF_FALSE_OR_POP:
-                switch (target->i_opcode) {
-                    case POP_JUMP_IF_FALSE:
-                        i -= jump_thread(inst, target, POP_JUMP_IF_FALSE);
-                        break;
-                    case JUMP:
-                    case JUMP_IF_FALSE_OR_POP:
-                        i -= jump_thread(inst, target, JUMP_IF_FALSE_OR_POP);
-                        break;
-                    case JUMP_IF_TRUE_OR_POP:
-                    case POP_JUMP_IF_TRUE:
-                        if (inst->i_loc.lineno == target->i_loc.lineno) {
-                            // We don't need to bother checking for loops here,
-                            // since a block's b_next cannot point to itself:
-                            assert(inst->i_target != inst->i_target->b_next);
-                            inst->i_opcode = POP_JUMP_IF_FALSE;
-                            inst->i_target = inst->i_target->b_next;
-                            --i;
-                        }
-                        break;
-                }
-                break;
-            case JUMP_IF_TRUE_OR_POP:
-                switch (target->i_opcode) {
-                    case POP_JUMP_IF_TRUE:
-                        i -= jump_thread(inst, target, POP_JUMP_IF_TRUE);
-                        break;
-                    case JUMP:
-                    case JUMP_IF_TRUE_OR_POP:
-                        i -= jump_thread(inst, target, JUMP_IF_TRUE_OR_POP);
-                        break;
-                    case JUMP_IF_FALSE_OR_POP:
-                    case POP_JUMP_IF_FALSE:
-                        if (inst->i_loc.lineno == target->i_loc.lineno) {
-                            // We don't need to bother checking for loops here,
-                            // since a block's b_next cannot point to itself:
-                            assert(inst->i_target != inst->i_target->b_next);
-                            inst->i_opcode = POP_JUMP_IF_TRUE;
-                            inst->i_target = inst->i_target->b_next;
-                            --i;
-                        }
-                        break;
-                }
-                break;
             case POP_JUMP_IF_NOT_NONE:
             case POP_JUMP_IF_NONE:
                 switch (target->i_opcode) {
@@ -9398,6 +9314,52 @@ inline_small_exit_blocks(basicblock *bb) {
     return 0;
 }
 
+
+static int
+remove_redundant_nops_and_pairs(basicblock *entryblock)
+{
+    bool done = false;
+
+    while (! done) {
+        done = true;
+        struct cfg_instr *prev_instr = NULL;
+        struct cfg_instr *instr = NULL;
+        for (basicblock *b = entryblock; b != NULL; b = b->b_next) {
+            remove_redundant_nops(b);
+            if (IS_LABEL(b->b_label)) {
+                /* this block is a jump target, forget instr */
+                instr = NULL;
+            }
+            for (int i = 0; i < b->b_iused; i++) {
+                prev_instr = instr;
+                instr = &b->b_instr[i];
+                int prev_opcode = prev_instr ? prev_instr->i_opcode : 0;
+                int prev_oparg = prev_instr ? prev_instr->i_oparg : 0;
+                int opcode = instr->i_opcode;
+                bool is_redundant_pair = false;
+                if (opcode == POP_TOP) {
+                   if (prev_opcode == LOAD_CONST) {
+                       is_redundant_pair = true;
+                   }
+                   else if (prev_opcode == COPY && prev_oparg == 1) {
+                       is_redundant_pair = true;
+                   }
+                }
+                if (is_redundant_pair) {
+                    INSTR_SET_OP0(prev_instr, NOP);
+                    INSTR_SET_OP0(instr, NOP);
+                    done = false;
+                }
+            }
+            if ((instr && is_jump(instr)) || !BB_HAS_FALLTHROUGH(b)) {
+                instr = NULL;
+            }
+        }
+    }
+    return SUCCESS;
+}
+
+
 static int
 remove_redundant_nops(basicblock *bb) {
     /* Remove NOPs when legal to do so. */
@@ -9636,9 +9598,9 @@ optimize_cfg(cfg_builder *g, PyObject *consts, PyObject *const_cache)
     assert(no_empty_basic_blocks(g));
     for (basicblock *b = g->g_entryblock; b != NULL; b = b->b_next) {
         RETURN_IF_ERROR(optimize_basic_block(const_cache, b, consts));
-        remove_redundant_nops(b);
         assert(b->b_predecessors == 0);
     }
+    RETURN_IF_ERROR(remove_redundant_nops_and_pairs(g->g_entryblock));
     for (basicblock *b = g->g_entryblock; b != NULL; b = b->b_next) {
         RETURN_IF_ERROR(inline_small_exit_blocks(b));
     }
diff --git a/Python/generated_cases.c.h b/Python/generated_cases.c.h
index e9f28b0abff4..c59042dad66c 100644
--- a/Python/generated_cases.c.h
+++ b/Python/generated_cases.c.h
@@ -2786,90 +2786,28 @@
             DISPATCH();
         }
 
-        TARGET(JUMP_IF_FALSE_OR_POP) {
-            PyObject *cond = stack_pointer[-1];
-            #line 1922 "Python/bytecodes.c"
-            bool jump = false;
-            int err;
-            if (Py_IsTrue(cond)) {
-                _Py_DECREF_NO_DEALLOC(cond);
-            }
-            else if (Py_IsFalse(cond)) {
-                JUMPBY(oparg);
-                jump = true;
-            }
-            else {
-                err = PyObject_IsTrue(cond);
-                if (err > 0) {
-                    Py_DECREF(cond);
-                }
-                else if (err == 0) {
-                    JUMPBY(oparg);
-                    jump = true;
-                }
-                else {
-                    goto error;
-                }
-            }
-            #line 2815 "Python/generated_cases.c.h"
-            STACK_SHRINK(1);
-            STACK_GROW((jump ? 1 : 0));
-            DISPATCH();
-        }
-
-        TARGET(JUMP_IF_TRUE_OR_POP) {
-            PyObject *cond = stack_pointer[-1];
-            #line 1947 "Python/bytecodes.c"
-            bool jump = false;
-            int err;
-            if (Py_IsFalse(cond)) {
-                _Py_DECREF_NO_DEALLOC(cond);
-            }
-            else if (Py_IsTrue(cond)) {
-                JUMPBY(oparg);
-                jump = true;
-            }
-            else {
-                err = PyObject_IsTrue(cond);
-                if (err > 0) {
-                    JUMPBY(oparg);
-                    jump = true;
-                }
-                else if (err == 0) {
-                    Py_DECREF(cond);
-                }
-                else {
-                    goto error;
-                }
-            }
-            #line 2846 "Python/generated_cases.c.h"
-            STACK_SHRINK(1);
-            STACK_GROW((jump ? 1 : 0));
-            DISPATCH();
-        }
-
         TARGET(JUMP_BACKWARD_NO_INTERRUPT) {
-            #line 1972 "Python/bytecodes.c"
+            #line 1922 "Python/bytecodes.c"
             /* This bytecode is used in the `yield from` or `await` loop.
              * If there is an interrupt, we want it handled in the innermost
              * generator or coroutine, so we deliberately do not check it here.
              * (see bpo-30039).
              */
             JUMPBY(-oparg);
-            #line 2860 "Python/generated_cases.c.h"
+            #line 2798 "Python/generated_cases.c.h"
             DISPATCH();
         }
 
         TARGET(GET_LEN) {
             PyObject *obj = stack_pointer[-1];
             PyObject *len_o;
-            #line 1981 "Python/bytecodes.c"
+            #line 1931 "Python/bytecodes.c"
             // PUSH(len(TOS))
             Py_ssize_t len_i = PyObject_Length(obj);
             if (len_i < 0) goto error;
             len_o = PyLong_FromSsize_t(len_i);
             if (len_o == NULL) goto error;
-            #line 2873 "Python/generated_cases.c.h"
+            #line 2811 "Python/generated_cases.c.h"
             STACK_GROW(1);
             stack_pointer[-1] = len_o;
             DISPATCH();
@@ -2880,16 +2818,16 @@
             PyObject *type = stack_pointer[-2];
             PyObject *subject = stack_pointer[-3];
             PyObject *attrs;
-            #line 1989 "Python/bytecodes.c"
+            #line 1939 "Python/bytecodes.c"
             // Pop TOS and TOS1. Set TOS to a tuple of attributes on success, or
             // None on failure.
             assert(PyTuple_CheckExact(names));
             attrs = match_class(tstate, subject, type, oparg, names);
-            #line 2889 "Python/generated_cases.c.h"
+            #line 2827 "Python/generated_cases.c.h"
             Py_DECREF(subject);
             Py_DECREF(type);
             Py_DECREF(names);
-            #line 1994 "Python/bytecodes.c"
+            #line 1944 "Python/bytecodes.c"
             if (attrs) {
                 assert(PyTuple_CheckExact(attrs));  // Success!
             }
@@ -2897,7 +2835,7 @@
                 if (_PyErr_Occurred(tstate)) goto pop_3_error;
                 attrs = Py_NewRef(Py_None);  // Failure!
             }
-            #line 2901 "Python/generated_cases.c.h"
+            #line 2839 "Python/generated_cases.c.h"
             STACK_SHRINK(2);
             stack_pointer[-1] = attrs;
             DISPATCH();
@@ -2906,10 +2844,10 @@
         TARGET(MATCH_MAPPING) {
             PyObject *subject = stack_pointer[-1];
             PyObject *res;
-            #line 2004 "Python/bytecodes.c"
+            #line 1954 "Python/bytecodes.c"
             int match = Py_TYPE(subject)->tp_flags & Py_TPFLAGS_MAPPING;
             res = Py_NewRef(match ? Py_True : Py_False);
-            #line 2913 "Python/generated_cases.c.h"
+            #line 2851 "Python/generated_cases.c.h"
             STACK_GROW(1);
             stack_pointer[-1] = res;
             PREDICT(POP_JUMP_IF_FALSE);
@@ -2919,10 +2857,10 @@
         TARGET(MATCH_SEQUENCE) {
             PyObject *subject = stack_pointer[-1];
             PyObject *res;
-            #line 2010 "Python/bytecodes.c"
+            #line 1960 "Python/bytecodes.c"
             int match = Py_TYPE(subject)->tp_flags & Py_TPFLAGS_SEQUENCE;
             res = Py_NewRef(match ? Py_True : Py_False);
-            #line 2926 "Python/generated_cases.c.h"
+            #line 2864 "Python/generated_cases.c.h"
             STACK_GROW(1);
             stack_pointer[-1] = res;
             PREDICT(POP_JUMP_IF_FALSE);
@@ -2933,11 +2871,11 @@
             PyObject *keys = stack_pointer[-1];
             PyObject *subject = stack_pointer[-2];
             PyObject *values_or_none;
-            #line 2016 "Python/bytecodes.c"
+            #line 1966 "Python/bytecodes.c"
             // On successful match, PUSH(values). Otherwise, PUSH(None).
             values_or_none = match_keys(tstate, subject, keys);
             if (values_or_none == NULL) goto error;
-            #line 2941 "Python/generated_cases.c.h"
+            #line 2879 "Python/generated_cases.c.h"
             STACK_GROW(1);
             stack_pointer[-1] = values_or_none;
             DISPATCH();
@@ -2946,14 +2884,14 @@
         TARGET(GET_ITER) {
             PyObject *iterable = stack_pointer[-1];
             PyObject *iter;
-            #line 2022 "Python/bytecodes.c"
+            #line 1972 "Python/bytecodes.c"
             /* before: [obj]; after [getiter(obj)] */
             iter = PyObject_GetIter(iterable);
-            #line 2953 "Python/generated_cases.c.h"
+            #line 2891 "Python/generated_cases.c.h"
             Py_DECREF(iterable);
-            #line 2025 "Python/bytecodes.c"
+            #line 1975 "Python/bytecodes.c"
             if (iter == NULL) goto pop_1_error;
-            #line 2957 "Python/generated_cases.c.h"
+            #line 2895 "Python/generated_cases.c.h"
             stack_pointer[-1] = iter;
             DISPATCH();
         }
@@ -2961,7 +2899,7 @@
         TARGET(GET_YIELD_FROM_ITER) {
             PyObject *iterable = stack_pointer[-1];
             PyObject *iter;
-            #line 2029 "Python/bytecodes.c"
+            #line 1979 "Python/bytecodes.c"
             /* before: [obj]; after [getiter(obj)] */
             if (PyCoro_CheckExact(iterable)) {
                 /* `iterable` is a coroutine */
@@ -2984,11 +2922,11 @@
                 if (iter == NULL) {
                     goto error;
                 }
-            #line 2988 "Python/generated_cases.c.h"
+            #line 2926 "Python/generated_cases.c.h"
                 Py_DECREF(iterable);
-            #line 2052 "Python/bytecodes.c"
+            #line 2002 "Python/bytecodes.c"
             }
-            #line 2992 "Python/generated_cases.c.h"
+            #line 2930 "Python/generated_cases.c.h"
             stack_pointer[-1] = iter;
             PREDICT(LOAD_CONST);
             DISPATCH();
@@ -2999,7 +2937,7 @@
             static_assert(INLINE_CACHE_ENTRIES_FOR_ITER == 1, "incorrect cache size");
             PyObject *iter = stack_pointer[-1];
             PyObject *next;
-            #line 2071 "Python/bytecodes.c"
+            #line 2021 "Python/bytecodes.c"
             #if ENABLE_SPECIALIZATION
             _PyForIterCache *cache = (_PyForIterCache *)next_instr;
             if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
@@ -3032,7 +2970,7 @@
                 DISPATCH();
             }
             // Common case: no jump, leave it to the code generator
-            #line 3036 "Python/generated_cases.c.h"
+            #line 2974 "Python/generated_cases.c.h"
             STACK_GROW(1);
             stack_pointer[-1] = next;
             next_instr += 1;
@@ -3042,7 +2980,7 @@
         TARGET(FOR_ITER_LIST) {
             PyObject *iter = stack_pointer[-1];
             PyObject *next;
-            #line 2106 "Python/bytecodes.c"
+            #line 2056 "Python/bytecodes.c"
             assert(cframe.use_tracing == 0);
             DEOPT_IF(Py_TYPE(iter) != &PyListIter_Type, FOR_ITER);
             _PyListIterObject *it = (_PyListIterObject *)iter;
@@ -3063,7 +3001,7 @@
             DISPATCH();
         end_for_iter_list:
             // Common case: no jump, leave it to the code generator
-            #line 3067 "Python/generated_cases.c.h"
+            #line 3005 "Python/generated_cases.c.h"
             STACK_GROW(1);
             stack_pointer[-1] = next;
             next_instr += 1;
@@ -3073,7 +3011,7 @@
         TARGET(FOR_ITER_TUPLE) {
             PyObject *iter = stack_pointer[-1];
             PyObject *next;
-            #line 2129 "Python/bytecodes.c"
+            #line 2079 "Python/bytecodes.c"
             assert(cframe.use_tracing == 0);
             _PyTupleIterObject *it = (_PyTupleIterObject *)iter;
             DEOPT_IF(Py_TYPE(it) != &PyTupleIter_Type, FOR_ITER);
@@ -3094,7 +3032,7 @@
             DISPATCH();
         end_for_iter_tuple:
             // Common case: no jump, leave it to the code generator
-            #line 3098 "Python/generated_cases.c.h"
+            #line 3036 "Python/generated_cases.c.h"
             STACK_GROW(1);
             stack_pointer[-1] = next;
             next_instr += 1;
@@ -3104,7 +3042,7 @@
         TARGET(FOR_ITER_RANGE) {
             PyObject *iter = stack_pointer[-1];
             PyObject *next;
-            #line 2152 "Python/bytecodes.c"
+            #line 2102 "Python/bytecodes.c"
             assert(cframe.use_tracing == 0);
             _PyRangeIterObject *r = (_PyRangeIterObject *)iter;
             DEOPT_IF(Py_TYPE(r) != &PyRangeIter_Type, FOR_ITER);
@@ -3123,7 +3061,7 @@
             if (next == NULL) {
                 goto error;
             }
-            #line 3127 "Python/generated_cases.c.h"
+            #line 3065 "Python/generated_cases.c.h"
             STACK_GROW(1);
             stack_pointer[-1] = next;
             next_instr += 1;
@@ -3132,7 +3070,7 @@
 
         TARGET(FOR_ITER_GEN) {
             PyObject *iter = stack_pointer[-1];
-            #line 2173 "Python/bytecodes.c"
+            #line 2123 "Python/bytecodes.c"
             assert(cframe.use_tracing == 0);
             PyGenObject *gen = (PyGenObject *)iter;
             DEOPT_IF(Py_TYPE(gen) != &PyGen_Type, FOR_ITER);
@@ -3147,14 +3085,14 @@
             JUMPBY(INLINE_CACHE_ENTRIES_FOR_ITER + oparg);
             assert(next_instr->op.code == END_FOR);
             DISPATCH_INLINED(gen_frame);
-            #line 3151 "Python/generated_cases.c.h"
+            #line 3089 "Python/generated_cases.c.h"
         }
 
         TARGET(BEFORE_ASYNC_WITH) {
             PyObject *mgr = stack_pointer[-1];
             PyObject *exit;
             PyObject *res;
-            #line 2190 "Python/bytecodes.c"
+            #line 2140 "Python/bytecodes.c"
             PyObject *enter = _PyObject_LookupSpecial(mgr, &_Py_ID(__aenter__));
             if (enter == NULL) {
                 if (!_PyErr_Occurred(tstate)) {
@@ -3177,16 +3115,16 @@
                 Py_DECREF(enter);
                 goto error;
             }
-            #line 3181 "Python/generated_cases.c.h"
+            #line 3119 "Python/generated_cases.c.h"
             Py_DECREF(mgr);
-            #line 2213 "Python/bytecodes.c"
+            #line 2163 "Python/bytecodes.c"
             res = _PyObject_CallNoArgs(enter);
             Py_DECREF(enter);
             if (res == NULL) {
                 Py_DECREF(exit);
                 if (true) goto pop_1_error;
             }
-            #line 3190 "Python/generated_cases.c.h"
+            #line 3128 "Python/generated_cases.c.h"
             STACK_GROW(1);
             stack_pointer[-1] = res;
             stack_pointer[-2] = exit;
@@ -3198,7 +3136,7 @@
             PyObject *mgr = stack_pointer[-1];
             PyObject *exit;
             PyObject *res;
-            #line 2223 "Python/bytecodes.c"
+            #line 2173 "Python/bytecodes.c"
             /* pop the context manager, push its __exit__ and the
              * value returned from calling its __enter__
              */
@@ -3224,16 +3162,16 @@
                 Py_DECREF(enter);
                 goto error;
             }
-            #line 3228 "Python/generated_cases.c.h"
+            #line 3166 "Python/generated_cases.c.h"
             Py_DECREF(mgr);
-            #line 2249 "Python/bytecodes.c"
+            #line 2199 "Python/bytecodes.c"
             res = _PyObject_CallNoArgs(enter);
             Py_DECREF(enter);
             if (res == NULL) {
                 Py_DECREF(exit);
                 if (true) goto pop_1_error;
             }
-            #line 3237 "Python/generated_cases.c.h"
+            #line 3175 "Python/generated_cases.c.h"
             STACK_GROW(1);
             stack_pointer[-1] = res;
             stack_pointer[-2] = exit;
@@ -3245,7 +3183,7 @@
             PyObject *lasti = stack_pointer[-3];
             PyObject *exit_func = stack_pointer[-4];
             PyObject *res;
-            #line 2258 "Python/bytecodes.c"
+            #line 2208 "Python/bytecodes.c"
             /* At the top of the stack are 4 values:
                - val: TOP = exc_info()
                - unused: SECOND = previous exception
@@ -3266,7 +3204,7 @@
             res = PyObject_Vectorcall(exit_func, stack + 1,
                     3 | PY_VECTORCALL_ARGUMENTS_OFFSET, NULL);
             if (res == NULL) goto error;
-            #line 3270 "Python/generated_cases.c.h"
+            #line 3208 "Python/generated_cases.c.h"
             STACK_GROW(1);
             stack_pointer[-1] = res;
             DISPATCH();
@@ -3275,7 +3213,7 @@
         TARGET(PUSH_EXC_INFO) {
             PyObject *new_exc = stack_pointer[-1];
             PyObject *prev_exc;
-            #line 2281 "Python/bytecodes.c"
+            #line 2231 "Python/bytecodes.c"
             _PyErr_StackItem *exc_info = tstate->exc_info;
             if (exc_info->exc_value != NULL) {
                 prev_exc = exc_info->exc_value;
@@ -3285,7 +3223,7 @@
             }
             assert(PyExceptionInstance_Check(new_exc));
             exc_info->exc_value = Py_NewRef(new_exc);
-            #line 3289 "Python/generated_cases.c.h"
+            #line 3227 "Python/generated_cases.c.h"
             STACK_GROW(1);
             stack_pointer[-1] = new_exc;
             stack_pointer[-2] = prev_exc;
@@ -3299,7 +3237,7 @@
             uint32_t type_version = read_u32(&next_instr[1].cache);
             uint32_t keys_version = read_u32(&next_instr[3].cache);
             PyObject *descr = read_obj(&next_instr[5].cache);
-            #line 2293 "Python/bytecodes.c"
+            #line 2243 "Python/bytecodes.c"
             /* Cached method object */
             assert(cframe.use_tracing == 0);
             PyTypeObject *self_cls = Py_TYPE(self);
@@ -3317,7 +3255,7 @@
             assert(_PyType_HasFeature(Py_TYPE(res2), Py_TPFLAGS_METHOD_DESCRIPTOR));
             res = self;
             assert(oparg & 1);
-            #line 3321 "Python/generated_cases.c.h"
+            #line 3259 "Python/generated_cases.c.h"
             STACK_GROW(((oparg & 1) ? 1 : 0));
             stack_pointer[-1] = res;
             if (oparg & 1) { stack_pointer[-(1 + ((oparg & 1) ? 1 : 0))] = res2; }
@@ -3331,7 +3269,7 @@
             PyObject *res;
             uint32_t type_version = read_u32(&next_instr[1].cache);
             PyObject *descr = read_obj(&next_instr[5].cache);
-            #line 2313 "Python/bytecodes.c"
+            #line 2263 "Python/bytecodes.c"
             assert(cframe.use_tracing == 0);
             PyTypeObject *self_cls = Py_TYPE(self);
             DEOPT_IF(self_cls->tp_version_tag != type_version, LOAD_ATTR);
@@ -3342,7 +3280,7 @@
             res2 = Py_NewRef(descr);
             res = self;
             assert(oparg & 1);
-            #line 3346 "Python/generated_cases.c.h"
+            #line 3284 "Python/generated_cases.c.h"
             STACK_GROW(((oparg & 1) ? 1 : 0));
             stack_pointer[-1] = res;
             if (oparg & 1) { stack_pointer[-(1 + ((oparg & 1) ? 1 : 0))] = res2; }
@@ -3356,7 +3294,7 @@
             PyObject *res;
             uint32_t type_version = read_u32(&next_instr[1].cache);
             PyObject *descr = read_obj(&next_instr[5].cache);
-            #line 2326 "Python/bytecodes.c"
+            #line 2276 "Python/bytecodes.c"
             assert(cframe.use_tracing == 0);
             PyTypeObject *self_cls = Py_TYPE(self);
             DEOPT_IF(self_cls->tp_version_tag != type_version, LOAD_ATTR);
@@ -3371,7 +3309,7 @@
             res2 = Py_NewRef(descr);
             res = self;
             assert(oparg & 1);
-            #line 3375 "Python/generated_cases.c.h"
+            #line 3313 "Python/generated_cases.c.h"
             STACK_GROW(((oparg & 1) ? 1 : 0));
             stack_pointer[-1] = res;
             if (oparg & 1) { stack_pointer[-(1 + ((oparg & 1) ? 1 : 0))] = res2; }
@@ -3380,11 +3318,11 @@
         }
 
         TARGET(KW_NAMES) {
-            #line 2343 "Python/bytecodes.c"
+            #line 2293 "Python/bytecodes.c"
             assert(kwnames == NULL);
             assert(oparg < PyTuple_GET_SIZE(frame->f_code->co_consts));
             kwnames = GETITEM(frame->f_code->co_consts, oparg);
-            #line 3388 "Python/generated_cases.c.h"
+            #line 3326 "Python/generated_cases.c.h"
             DISPATCH();
         }
 
@@ -3395,7 +3333,7 @@
             PyObject *callable = stack_pointer[-(1 + oparg)];
             PyObject *method = stack_pointer[-(2 + oparg)];
             PyObject *res;
-            #line 2379 "Python/bytecodes.c"
+            #line 2329 "Python/bytecodes.c"
             int is_meth = method != NULL;
             int total_args = oparg;
             if (is_meth) {
@@ -3467,7 +3405,7 @@
                 Py_DECREF(args[i]);
             }
             if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
-            #line 3471 "Python/generated_cases.c.h"
+            #line 3409 "Python/generated_cases.c.h"
             STACK_SHRINK(oparg);
             STACK_SHRINK(1);
             stack_pointer[-1] = res;
@@ -3479,7 +3417,7 @@
         TARGET(CALL_BOUND_METHOD_EXACT_ARGS) {
             PyObject *callable = stack_pointer[-(1 + oparg)];
             PyObject *method = stack_pointer[-(2 + oparg)];
-            #line 2457 "Python/bytecodes.c"
+            #line 2407 "Python/bytecodes.c"
             DEOPT_IF(method != NULL, CALL);
             DEOPT_IF(Py_TYPE(callable) != &PyMethod_Type, CALL);
             STAT_INC(CALL, hit);
@@ -3489,7 +3427,7 @@
             PEEK(oparg + 2) = Py_NewRef(meth);  // method
             Py_DECREF(callable);
             GO_TO_INSTRUCTION(CALL_PY_EXACT_ARGS);
-            #line 3493 "Python/generated_cases.c.h"
+            #line 3431 "Python/generated_cases.c.h"
         }
 
         TARGET(CALL_PY_EXACT_ARGS) {
@@ -3498,7 +3436,7 @@
             PyObject *callable = stack_pointer[-(1 + oparg)];
             PyObject *method = stack_pointer[-(2 + oparg)];
             uint32_t func_version = read_u32(&next_instr[1].cache);
-            #line 2469 "Python/bytecodes.c"
+            #line 2419 "Python/bytecodes.c"
             assert(kwnames == NULL);
             DEOPT_IF(tstate->interp->eval_frame, CALL);
             int is_meth = method != NULL;
@@ -3523,7 +3461,7 @@
             STACK_SHRINK(oparg + 2);
             JUMPBY(INLINE_CACHE_ENTRIES_CALL);
             DISPATCH_INLINED(new_frame);
-            #line 3527 "Python/generated_cases.c.h"
+            #line 3465 "Python/generated_cases.c.h"
         }
 
         TARGET(CALL_PY_WITH_DEFAULTS) {
@@ -3532,7 +3470,7 @@
             PyObject *method = stack_pointer[-(2 + oparg)];
             uint32_t func_version = read_u32(&next_instr[1].cache);
             uint16_t min_args = read_u16(&next_instr[3].cache);
-            #line 2496 "Python/bytecodes.c"
+            #line 2446 "Python/bytecodes.c"
             assert(kwnames == NULL);
             DEOPT_IF(tstate->interp->eval_frame, CALL);
             int is_meth = method != NULL;
@@ -3562,7 +3500,7 @@
             STACK_SHRINK(oparg + 2);
             JUMPBY(INLINE_CACHE_ENTRIES_CALL);
             DISPATCH_INLINED(new_frame);
-            #line 3566 "Python/generated_cases.c.h"
+            #line 3504 "Python/generated_cases.c.h"
         }
 
         TARGET(CALL_NO_KW_TYPE_1) {
@@ -3570,7 +3508,7 @@
             PyObject *callable = stack_pointer[-(1 + oparg)];
             PyObject *null = stack_pointer[-(2 + oparg)];
             PyObject *res;
-            #line 2528 "Python/bytecodes.c"
+            #line 2478 "Python/bytecodes.c"
             assert(kwnames == NULL);
             assert(cframe.use_tracing == 0);
             assert(oparg == 1);
@@ -3581,7 +3519,7 @@
             res = Py_NewRef(Py_TYPE(obj));
             Py_DECREF(obj);
             Py_DECREF(&PyType_Type);  // I.e., callable
-            #line 3585 "Python/generated_cases.c.h"
+            #line 3523 "Python/generated_cases.c.h"
             STACK_SHRINK(oparg);
             STACK_SHRINK(1);
             stack_pointer[-1] = res;
@@ -3594,7 +3532,7 @@
             PyObject *callable = stack_pointer[-(1 + oparg)];
             PyObject *null = stack_pointer[-(2 + oparg)];
             PyObject *res;
-            #line 2541 "Python/bytecodes.c"
+            #line 2491 "Python/bytecodes.c"
             assert(kwnames == NULL);
             assert(cframe.use_tracing == 0);
             assert(oparg == 1);
@@ -3606,7 +3544,7 @@
             Py_DECREF(arg);
             Py_DECREF(&PyUnicode_Type);  // I.e., callable
             if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
-            #line 3610 "Python/generated_cases.c.h"
+            #line 3548 "Python/generated_cases.c.h"
             STACK_SHRINK(oparg);
             STACK_SHRINK(1);
             stack_pointer[-1] = res;
@@ -3620,7 +3558,7 @@
             PyObject *callable = stack_pointer[-(1 + oparg)];
             PyObject *null = stack_pointer[-(2 + oparg)];
             PyObject *res;
-            #line 2556 "Python/bytecodes.c"
+            #line 2506 "Python/bytecodes.c"
             assert(kwnames == NULL);
             assert(oparg == 1);
             DEOPT_IF(null != NULL, CALL);
@@ -3631,7 +3569,7 @@
             Py_DECREF(arg);
             Py_DECREF(&PyTuple_Type);  // I.e., tuple
             if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
-            #line 3635 "Python/generated_cases.c.h"
+            #line 3573 "Python/generated_cases.c.h"
             STACK_SHRINK(oparg);
             STACK_SHRINK(1);
             stack_pointer[-1] = res;
@@ -3645,7 +3583,7 @@
             PyObject *callable = stack_pointer[-(1 + oparg)];
             PyObject *method = stack_pointer[-(2 + oparg)];
             PyObject *res;
-            #line 2570 "Python/bytecodes.c"
+            #line 2520 "Python/bytecodes.c"
             int is_meth = method != NULL;
             int total_args = oparg;
             if (is_meth) {
@@ -3667,7 +3605,7 @@
             }
             Py_DECREF(tp);
             if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
-            #line 3671 "Python/generated_cases.c.h"
+            #line 3609 "Python/generated_cases.c.h"
             STACK_SHRINK(oparg);
             STACK_SHRINK(1);
             stack_pointer[-1] = res;
@@ -3681,7 +3619,7 @@
             PyObject *callable = stack_pointer[-(1 + oparg)];
             PyObject *method = stack_pointer[-(2 + oparg)];
             PyObject *res;
-            #line 2595 "Python/bytecodes.c"
+            #line 2545 "Python/bytecodes.c"
             assert(cframe.use_tracing == 0);
             /* Builtin METH_O functions */
             assert(kwnames == NULL);
@@ -3710,7 +3648,7 @@
             Py_DECREF(arg);
             Py_DECREF(callable);
             if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
-            #line 3714 "Python/generated_cases.c.h"
+            #line 3652 "Python/generated_cases.c.h"
             STACK_SHRINK(oparg);
             STACK_SHRINK(1);
             stack_pointer[-1] = res;
@@ -3724,7 +3662,7 @@
             PyObject *callable = stack_pointer[-(1 + oparg)];
             PyObject *method = stack_pointer[-(2 + oparg)];
             PyObject *res;
-            #line 2627 "Python/bytecodes.c"
+            #line 2577 "Python/bytecodes.c"
             assert(cframe.use_tracing == 0);
             /* Builtin METH_FASTCALL functions, without keywords */
             assert(kwnames == NULL);
@@ -3757,7 +3695,7 @@
                    'invalid'). In those cases an exception is set, so we must
                    handle it.
                 */
-            #line 3761 "Python/generated_cases.c.h"
+            #line 3699 "Python/generated_cases.c.h"
             STACK_SHRINK(oparg);
             STACK_SHRINK(1);
             stack_pointer[-1] = res;
@@ -3771,7 +3709,7 @@
             PyObject *callable = stack_pointer[-(1 + oparg)];
             PyObject *method = stack_pointer[-(2 + oparg)];
             PyObject *res;
-            #line 2663 "Python/bytecodes.c"
+            #line 2613 "Python/bytecodes.c"
             assert(cframe.use_tracing == 0);
             /* Builtin METH_FASTCALL | METH_KEYWORDS functions */
             int is_meth = method != NULL;
@@ -3804,7 +3742,7 @@
             }
             Py_DECREF(callable);
             if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
-            #line 3808 "Python/generated_cases.c.h"
+            #line 3746 "Python/generated_cases.c.h"
             STACK_SHRINK(oparg);
             STACK_SHRINK(1);
             stack_pointer[-1] = res;
@@ -3818,7 +3756,7 @@
             PyObject *callable = stack_pointer[-(1 + oparg)];
             PyObject *method = stack_pointer[-(2 + oparg)];
             PyObject *res;
-            #line 2699 "Python/bytecodes.c"
+            #line 2649 "Python/bytecodes.c"
             assert(cframe.use_tracing == 0);
             assert(kwnames == NULL);
             /* len(o) */
@@ -3844,7 +3782,7 @@
             Py_DECREF(callable);
             Py_DECREF(arg);
             if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
-            #line 3848 "Python/generated_cases.c.h"
+            #line 3786 "Python/generated_cases.c.h"
             STACK_SHRINK(oparg);
             STACK_SHRINK(1);
             stack_pointer[-1] = res;
@@ -3857,7 +3795,7 @@
             PyObject *callable = stack_pointer[-(1 + oparg)];
             PyObject *method = stack_pointer[-(2 + oparg)];
             PyObject *res;
-            #line 2727 "Python/bytecodes.c"
+            #line 2677 "Python/bytecodes.c"
             assert(cframe.use_tracing == 0);
             assert(kwnames == NULL);
             /* isinstance(o, o2) */
@@ -3885,7 +3823,7 @@
             Py_DECREF(cls);
             Py_DECREF(callable);
             if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
-            #line 3889 "Python/generated_cases.c.h"
+            #line 3827 "Python/generated_cases.c.h"
             STACK_SHRINK(oparg);
             STACK_SHRINK(1);
             stack_pointer[-1] = res;
@@ -3897,7 +3835,7 @@
             PyObject **args = (stack_pointer - oparg);
             PyObject *self = stack_pointer[-(1 + oparg)];
             PyObject *method = stack_pointer[-(2 + oparg)];
-            #line 2758 "Python/bytecodes.c"
+            #line 2708 "Python/bytecodes.c"
             assert(cframe.use_tracing == 0);
             assert(kwnames == NULL);
             assert(oparg == 1);
@@ -3916,14 +3854,14 @@
             JUMPBY(INLINE_CACHE_ENTRIES_CALL + 1);
             assert(next_instr[-1].op.code == POP_TOP);
             DISPATCH();
-            #line 3920 "Python/generated_cases.c.h"
+            #line 3858 "Python/generated_cases.c.h"
         }
 
         TARGET(CALL_NO_KW_METHOD_DESCRIPTOR_O) {
             PyObject **args = (stack_pointer - oparg);
             PyObject *method = stack_pointer[-(2 + oparg)];
             PyObject *res;
-            #line 2779 "Python/bytecodes.c"
+            #line 2729 "Python/bytecodes.c"
             assert(kwnames == NULL);
             int is_meth = method != NULL;
             int total_args = oparg;
@@ -3954,7 +3892,7 @@
             Py_DECREF(arg);
             Py_DECREF(callable);
             if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
-            #line 3958 "Python/generated_cases.c.h"
+            #line 3896 "Python/generated_cases.c.h"
             STACK_SHRINK(oparg);
             STACK_SHRINK(1);
             stack_pointer[-1] = res;
@@ -3967,7 +3905,7 @@
             PyObject **args = (stack_pointer - oparg);
             PyObject *method = stack_pointer[-(2 + oparg)];
             PyObject *res;
-            #line 2813 "Python/bytecodes.c"
+            #line 2763 "Python/bytecodes.c"
             int is_meth = method != NULL;
             int total_args = oparg;
             if (is_meth) {
@@ -3996,7 +3934,7 @@
             }
             Py_DECREF(callable);
             if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
-            #line 4000 "Python/generated_cases.c.h"
+            #line 3938 "Python/generated_cases.c.h"
             STACK_SHRINK(oparg);
             STACK_SHRINK(1);
             stack_pointer[-1] = res;
@@ -4009,7 +3947,7 @@
             PyObject **args = (stack_pointer - oparg);
             PyObject *method = stack_pointer[-(2 + oparg)];
             PyObject *res;
-            #line 2845 "Python/bytecodes.c"
+            #line 2795 "Python/bytecodes.c"
             assert(kwnames == NULL);
             assert(oparg == 0 || oparg == 1);
             int is_meth = method != NULL;
@@ -4038,7 +3976,7 @@
             Py_DECREF(self);
             Py_DECREF(callable);
             if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
-            #line 4042 "Python/generated_cases.c.h"
+            #line 3980 "Python/generated_cases.c.h"
             STACK_SHRINK(oparg);
             STACK_SHRINK(1);
             stack_pointer[-1] = res;
@@ -4051,7 +3989,7 @@
             PyObject **args = (stack_pointer - oparg);
             PyObject *method = stack_pointer[-(2 + oparg)];
             PyObject *res;
-            #line 2877 "Python/bytecodes.c"
+            #line 2827 "Python/bytecodes.c"
             assert(kwnames == NULL);
             int is_meth = method != NULL;
             int total_args = oparg;
@@ -4079,7 +4017,7 @@
             }
             Py_DECREF(callable);
             if (res == NULL) { STACK_SHRINK(oparg); goto pop_2_error; }
-            #line 4083 "Python/generated_cases.c.h"
+            #line 4021 "Python/generated_cases.c.h"
             STACK_SHRINK(oparg);
             STACK_SHRINK(1);
             stack_pointer[-1] = res;
@@ -4094,7 +4032,7 @@
             PyObject *callargs = stack_pointer[-(1 + ((oparg & 1) ? 1 : 0))];
             PyObject *func = stack_pointer[-(2 + ((oparg & 1) ? 1 : 0))];
             PyObject *result;
-            #line 2908 "Python/bytecodes.c"
+            #line 2858 "Python/bytecodes.c"
             if (oparg & 1) {
                 // DICT_MERGE is called before this opcode if there are kwargs.
                 // It converts all dict subtypes in kwargs into regular dicts.
@@ -4113,15 +4051,15 @@
             assert(PyTuple_CheckExact(callargs));
 
             result = do_call_core(tstate, func, callargs, kwargs, cframe.use_tracing);
-            #line 4117 "Python/generated_cases.c.h"
+            #line 4055 "Python/generated_cases.c.h"
             Py_DECREF(func);
             Py_DECREF(callargs);
             Py_XDECREF(kwargs);
-            #line 2927 "Python/bytecodes.c"
+            #line 2877 "Python/bytecodes.c"
 
             assert(PEEK(3 + (oparg & 1)) == NULL);
             if (result == NULL) { STACK_SHRINK(((oparg & 1) ? 1 : 0)); goto pop_3_error; }
-            #line 4125 "Python/generated_cases.c.h"
+            #line 4063 "Python/generated_cases.c.h"
             STACK_SHRINK(((oparg & 1) ? 1 : 0));
             STACK_SHRINK(2);
             stack_pointer[-1] = result;
@@ -4136,7 +4074,7 @@
             PyObject *kwdefaults = (oparg & 0x02) ? stack_pointer[-(1 + ((oparg & 0x08) ? 1 : 0) + ((oparg & 0x04) ? 1 : 0) + ((oparg & 0x02) ? 1 : 0))] : NULL;
             PyObject *defaults = (oparg & 0x01) ? stack_pointer[-(1 + ((oparg & 0x08) ? 1 : 0) + ((oparg & 0x04) ? 1 : 0) + ((oparg & 0x02) ? 1 : 0) + ((oparg & 0x01) ? 1 : 0))] : NULL;
             PyObject *func;
-            #line 2938 "Python/bytecodes.c"
+            #line 2888 "Python/bytecodes.c"
 
             PyFunctionObject *func_obj = (PyFunctionObject *)
                 PyFunction_New(codeobj, GLOBALS());
@@ -4165,14 +4103,14 @@
 
             func_obj->func_version = ((PyCodeObject *)codeobj)->co_version;
             func = (PyObject *)func_obj;
-            #line 4169 "Python/generated_cases.c.h"
+            #line 4107 "Python/generated_cases.c.h"
             STACK_SHRINK(((oparg & 0x01) ? 1 : 0) + ((oparg & 0x02) ? 1 : 0) + ((oparg & 0x04) ? 1 : 0) + ((oparg & 0x08) ? 1 : 0));
             stack_pointer[-1] = func;
             DISPATCH();
         }
 
         TARGET(RETURN_GENERATOR) {
-            #line 2969 "Python/bytecodes.c"
+            #line 2919 "Python/bytecodes.c"
             assert(PyFunction_Check(frame->f_funcobj));
             PyFunctionObject *func = (PyFunctionObject *)frame->f_funcobj;
             PyGenObject *gen = (PyGenObject *)_Py_MakeCoro(func);
@@ -4193,7 +4131,7 @@
             frame = cframe.current_frame = prev;
             _PyFrame_StackPush(frame, (PyObject *)gen);
             goto resume_frame;
-            #line 4197 "Python/generated_cases.c.h"
+            #line 4135 "Python/generated_cases.c.h"
         }
 
         TARGET(BUILD_SLICE) {
@@ -4201,15 +4139,15 @@
             PyObject *stop = stack_pointer[-(1 + ((oparg == 3) ? 1 : 0))];
             PyObject *start = stack_pointer[-(2 + ((oparg == 3) ? 1 : 0))];
             PyObject *slice;
-            #line 2992 "Python/bytecodes.c"
+            #line 2942 "Python/bytecodes.c"
             slice = PySlice_New(start, stop, step);
-            #line 4207 "Python/generated_cases.c.h"
+            #line 4145 "Python/generated_cases.c.h"
             Py_DECREF(start);
             Py_DECREF(stop);
             Py_XDECREF(step);
-            #line 2994 "Python/bytecodes.c"
+            #line 2944 "Python/bytecodes.c"
             if (slice == NULL) { STACK_SHRINK(((oparg == 3) ? 1 : 0)); goto pop_2_error; }
-            #line 4213 "Python/generated_cases.c.h"
+            #line 4151 "Python/generated_cases.c.h"
             STACK_SHRINK(((oparg == 3) ? 1 : 0));
             STACK_SHRINK(1);
             stack_pointer[-1] = slice;
@@ -4220,7 +4158,7 @@
             PyObject *fmt_spec = ((oparg & FVS_MASK) == FVS_HAVE_SPEC) ? stack_pointer[-((((oparg & FVS_MASK) == FVS_HAVE_SPEC) ? 1 : 0))] : NULL;
             PyObject *value = stack_pointer[-(1 + (((oparg & FVS_MASK) == FVS_HAVE_SPEC) ? 1 : 0))];
             PyObject *result;
-            #line 2998 "Python/bytecodes.c"
+            #line 2948 "Python/bytecodes.c"
             /* Handles f-string value formatting. */
             PyObject *(*conv_fn)(PyObject *);
             int which_conversion = oparg & FVC_MASK;
@@ -4255,7 +4193,7 @@
             Py_DECREF(value);
             Py_XDECREF(fmt_spec);
             if (result == NULL) { STACK_SHRINK((((oparg & FVS_MASK) == FVS_HAVE_SPEC) ? 1 : 0)); goto pop_1_error; }
-            #line 4259 "Python/generated_cases.c.h"
+            #line 4197 "Python/generated_cases.c.h"
             STACK_SHRINK((((oparg & FVS_MASK) == FVS_HAVE_SPEC) ? 1 : 0));
             stack_pointer[-1] = result;
             DISPATCH();
@@ -4264,10 +4202,10 @@
         TARGET(COPY) {
             PyObject *bottom = stack_pointer[-(1 + (oparg-1))];
             PyObject *top;
-            #line 3035 "Python/bytecodes.c"
+            #line 2985 "Python/bytecodes.c"
             assert(oparg > 0);
             top = Py_NewRef(bottom);
-            #line 4271 "Python/generated_cases.c.h"
+            #line 4209 "Python/generated_cases.c.h"
             STACK_GROW(1);
             stack_pointer[-1] = top;
             DISPATCH();
@@ -4279,7 +4217,7 @@
             PyObject *rhs = stack_pointer[-1];
             PyObject *lhs = stack_pointer[-2];
             PyObject *res;
-            #line 3040 "Python/bytecodes.c"
+            #line 2990 "Python/bytecodes.c"
             #if ENABLE_SPECIALIZATION
             _PyBinaryOpCache *cache = (_PyBinaryOpCache *)next_instr;
             if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
@@ -4295,12 +4233,12 @@
             assert((unsigned)oparg < Py_ARRAY_LENGTH(binary_ops));
             assert(binary_ops[oparg]);
             res = binary_ops[oparg](lhs, rhs);
-            #line 4299 "Python/generated_cases.c.h"
+            #line 4237 "Python/generated_cases.c.h"
             Py_DECREF(lhs);
             Py_DECREF(rhs);
-            #line 3056 "Python/bytecodes.c"
+            #line 3006 "Python/bytecodes.c"
             if (res == NULL) goto pop_2_error;
-            #line 4304 "Python/generated_cases.c.h"
+            #line 4242 "Python/generated_cases.c.h"
             STACK_SHRINK(1);
             stack_pointer[-1] = res;
             next_instr += 1;
@@ -4310,27 +4248,27 @@
         TARGET(SWAP) {
             PyObject *top = stack_pointer[-1];
             PyObject *bottom = stack_pointer[-(2 + (oparg-2))];
-            #line 3061 "Python/bytecodes.c"
+            #line 3011 "Python/bytecodes.c"
             assert(oparg >= 2);
-            #line 4316 "Python/generated_cases.c.h"
+            #line 4254 "Python/generated_cases.c.h"
             stack_pointer[-1] = bottom;
             stack_pointer[-(2 + (oparg-2))] = top;
             DISPATCH();
         }
 
         TARGET(EXTENDED_ARG) {
-            #line 3065 "Python/bytecodes.c"
+            #line 3015 "Python/bytecodes.c"
             assert(oparg);
             assert(cframe.use_tracing == 0);
             opcode = next_instr->op.code;
             oparg = oparg << 8 | next_instr->op.arg;
             PRE_DISPATCH_GOTO();
             DISPATCH_GOTO();
-            #line 4330 "Python/generated_cases.c.h"
+            #line 4268 "Python/generated_cases.c.h"
         }
 
         TARGET(CACHE) {
-            #line 3074 "Python/bytecodes.c"
+            #line 3024 "Python/bytecodes.c"
             Py_UNREACHABLE();
-            #line 4336 "Python/generated_cases.c.h"
+            #line 4274 "Python/generated_cases.c.h"
         }
diff --git a/Python/opcode_metadata.h b/Python/opcode_metadata.h
index ee760ab78af2..920b7595484d 100644
--- a/Python/opcode_metadata.h
+++ b/Python/opcode_metadata.h
@@ -247,10 +247,6 @@ _PyOpcode_num_popped(int opcode, int oparg, bool jump) {
             return 1;
         case POP_JUMP_IF_NONE:
             return 1;
-        case JUMP_IF_FALSE_OR_POP:
-            return 1;
-        case JUMP_IF_TRUE_OR_POP:
-            return 1;
         case JUMP_BACKWARD_NO_INTERRUPT:
             return 0;
         case GET_LEN:
@@ -599,10 +595,6 @@ _PyOpcode_num_pushed(int opcode, int oparg, bool jump) {
             return 0;
         case POP_JUMP_IF_NONE:
             return 0;
-        case JUMP_IF_FALSE_OR_POP:
-            return (jump ? 1 : 0);
-        case JUMP_IF_TRUE_OR_POP:
-            return (jump ? 1 : 0);
         case JUMP_BACKWARD_NO_INTERRUPT:
             return 0;
         case GET_LEN:
@@ -836,8 +828,6 @@ const struct opcode_metadata _PyOpcode_opcode_metadata[256] = {
     [POP_JUMP_IF_TRUE] = { true, INSTR_FMT_IB },
     [POP_JUMP_IF_NOT_NONE] = { true, INSTR_FMT_IB },
     [POP_JUMP_IF_NONE] = { true, INSTR_FMT_IB },
-    [JUMP_IF_FALSE_OR_POP] = { true, INSTR_FMT_IB },
-    [JUMP_IF_TRUE_OR_POP] = { true, INSTR_FMT_IB },
     [JUMP_BACKWARD_NO_INTERRUPT] = { true, INSTR_FMT_IB },
     [GET_LEN] = { true, INSTR_FMT_IX },
     [MATCH_CLASS] = { true, INSTR_FMT_IB },
diff --git a/Python/opcode_targets.h b/Python/opcode_targets.h
index bc64bd582fd5..52f23ce7752e 100644
--- a/Python/opcode_targets.h
+++ b/Python/opcode_targets.h
@@ -110,9 +110,9 @@ static void *opcode_targets[256] = {
     &&TARGET_IMPORT_NAME,
     &&TARGET_IMPORT_FROM,
     &&TARGET_JUMP_FORWARD,
-    &&TARGET_JUMP_IF_FALSE_OR_POP,
-    &&TARGET_JUMP_IF_TRUE_OR_POP,
     &&TARGET_STORE_FAST__LOAD_FAST,
+    &&TARGET_STORE_FAST__STORE_FAST,
+    &&TARGET_STORE_SUBSCR_DICT,
     &&TARGET_POP_JUMP_IF_FALSE,
     &&TARGET_POP_JUMP_IF_TRUE,
     &&TARGET_LOAD_GLOBAL,
@@ -142,7 +142,7 @@ static void *opcode_targets[256] = {
     &&TARGET_JUMP_BACKWARD,
     &&TARGET_COMPARE_AND_BRANCH,
     &&TARGET_CALL_FUNCTION_EX,
-    &&TARGET_STORE_FAST__STORE_FAST,
+    &&TARGET_STORE_SUBSCR_LIST_INT,
     &&TARGET_EXTENDED_ARG,
     &&TARGET_LIST_APPEND,
     &&TARGET_SET_ADD,
@@ -152,15 +152,15 @@ static void *opcode_targets[256] = {
     &&TARGET_YIELD_VALUE,
     &&TARGET_RESUME,
     &&TARGET_MATCH_CLASS,
-    &&TARGET_STORE_SUBSCR_DICT,
-    &&TARGET_STORE_SUBSCR_LIST_INT,
+    &&TARGET_UNPACK_SEQUENCE_LIST,
+    &&TARGET_UNPACK_SEQUENCE_TUPLE,
     &&TARGET_FORMAT_VALUE,
     &&TARGET_BUILD_CONST_KEY_MAP,
     &&TARGET_BUILD_STRING,
-    &&TARGET_UNPACK_SEQUENCE_LIST,
-    &&TARGET_UNPACK_SEQUENCE_TUPLE,
     &&TARGET_UNPACK_SEQUENCE_TWO_TUPLE,
     &&TARGET_SEND_GEN,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
     &&TARGET_LIST_EXTEND,
     &&TARGET_SET_UPDATE,
     &&TARGET_DICT_MERGE,



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