pythongh-109214: Rename SAVE_IP to _SET_IP, and similar (python#109285)

* Rename SAVE_IP to _SET_IP
* Rename EXIT_TRACE to _EXIT_TRACE
* Rename SAVE_CURRENT_IP to _SAVE_CURRENT_IP
* Rename INSERT to _INSERT (This is for Ken Jin's abstract interpreter)
* Rename IS_NONE to _IS_NONE
* Rename JUMP_TO_TOP to _JUMP_TO_TOP

Author: gvanrossum

Include/internal/pycore_opcode_metadata.h

@@ -2390,7 +2390,7 @@ def testfunc(x):
         ex = get_first_executor(testfunc)
         self.assertIsNotNone(ex)
         uops = {opname for opname, _, _ in ex}
-        self.assertIn("SAVE_IP", uops)
+        self.assertIn("_SET_IP", uops)
         self.assertIn("LOAD_FAST", uops)
 
     def test_extended_arg(self):
@@ -2536,7 +2536,7 @@ def testfunc(n):
         ex = get_first_executor(testfunc)
         self.assertIsNotNone(ex)
         uops = {opname for opname, _, _ in ex}
-        self.assertIn("JUMP_TO_TOP", uops)
+        self.assertIn("_JUMP_TO_TOP", uops)
 
     def test_jump_forward(self):
         def testfunc(n):

Lib/test/test_capi/test_misc.py

@@ -803,8 +803,8 @@ dummy_func(
         }
 
         macro(RETURN_VALUE) =
-            SAVE_IP +  // Tier 2 only; special-cased oparg
-            SAVE_CURRENT_IP +  // Sets frame->prev_instr
+            _SET_IP +  // Tier 2 only; special-cased oparg
+            _SAVE_CURRENT_IP +  // Sets frame->prev_instr
             _POP_FRAME;
 
         inst(INSTRUMENTED_RETURN_VALUE, (retval --)) {
@@ -828,8 +828,8 @@ dummy_func(
 
         macro(RETURN_CONST) =
             LOAD_CONST +
-            SAVE_IP +  // Tier 2 only; special-cased oparg
-            SAVE_CURRENT_IP +  // Sets frame->prev_instr
+            _SET_IP +  // Tier 2 only; special-cased oparg
+            _SAVE_CURRENT_IP +  // Sets frame->prev_instr
             _POP_FRAME;
 
         inst(INSTRUMENTED_RETURN_CONST, (--)) {
@@ -2310,7 +2310,7 @@ dummy_func(
             JUMPBY(oparg * flag);
         }
 
-        op(IS_NONE, (value -- b)) {
+        op(_IS_NONE, (value -- b)) {
             if (Py_IsNone(value)) {
                 b = Py_True;
             }
@@ -2320,9 +2320,9 @@ dummy_func(
             }
         }
 
-        macro(POP_JUMP_IF_NONE) = IS_NONE + POP_JUMP_IF_TRUE;
+        macro(POP_JUMP_IF_NONE) = _IS_NONE + POP_JUMP_IF_TRUE;
 
-        macro(POP_JUMP_IF_NOT_NONE) = IS_NONE + POP_JUMP_IF_FALSE;
+        macro(POP_JUMP_IF_NOT_NONE) = _IS_NONE + POP_JUMP_IF_FALSE;
 
         inst(JUMP_BACKWARD_NO_INTERRUPT, (--)) {
             /* This bytecode is used in the `yield from` or `await` loop.
@@ -3069,8 +3069,8 @@ dummy_func(
             _CHECK_FUNCTION_EXACT_ARGS +
             _CHECK_STACK_SPACE +
             _INIT_CALL_PY_EXACT_ARGS +
-            SAVE_IP +  // Tier 2 only; special-cased oparg
-            SAVE_CURRENT_IP +  // Sets frame->prev_instr
+            _SET_IP +  // Tier 2 only; special-cased oparg
+            _SAVE_CURRENT_IP +  // Sets frame->prev_instr
             _PUSH_FRAME;
 
         macro(CALL_PY_EXACT_ARGS) =
@@ -3079,8 +3079,8 @@ dummy_func(
             _CHECK_FUNCTION_EXACT_ARGS +
             _CHECK_STACK_SPACE +
             _INIT_CALL_PY_EXACT_ARGS +
-            SAVE_IP +  // Tier 2 only; special-cased oparg
-            SAVE_CURRENT_IP +  // Sets frame->prev_instr
+            _SET_IP +  // Tier 2 only; special-cased oparg
+            _SAVE_CURRENT_IP +  // Sets frame->prev_instr
             _PUSH_FRAME;
 
         inst(CALL_PY_WITH_DEFAULTS, (unused/1, func_version/2, callable, self_or_null, args[oparg] -- unused)) {
@@ -3851,33 +3851,33 @@ dummy_func(
             }
         }
 
-        op(JUMP_TO_TOP, (--)) {
+        op(_JUMP_TO_TOP, (--)) {
             pc = 0;
             CHECK_EVAL_BREAKER();
         }
 
-        op(SAVE_IP, (--)) {
+        op(_SET_IP, (--)) {
             frame->prev_instr = ip_offset + oparg;
         }
 
-        op(SAVE_CURRENT_IP, (--)) {
+        op(_SAVE_CURRENT_IP, (--)) {
             #if TIER_ONE
             frame->prev_instr = next_instr - 1;
             #endif
             #if TIER_TWO
-            // Relies on a preceding SAVE_IP
+            // Relies on a preceding _SET_IP
             frame->prev_instr--;
             #endif
         }
 
-        op(EXIT_TRACE, (--)) {
+        op(_EXIT_TRACE, (--)) {
             frame->prev_instr--;  // Back up to just before destination
             _PyFrame_SetStackPointer(frame, stack_pointer);
             Py_DECREF(self);
             return frame;
         }
 
-        op(INSERT, (unused[oparg], top -- top, unused[oparg])) {
+        op(_INSERT, (unused[oparg], top -- top, unused[oparg])) {
             // Inserts TOS at position specified by oparg;
             memmove(&stack_pointer[-1 - oparg], &stack_pointer[-oparg], oparg * sizeof(stack_pointer[0]));
         }