gh-100712: make it possible to disable specialization (for debugging) (#100713)

1 files changed, 24 insertions, 0 deletions

diff --git a/Python/generated_cases.c.h b/Python/generated_cases.c.h
index 445511d..46d421f 100644
--- a/Python/generated_cases.c.h
+++ b/Python/generated_cases.c.h
@@ -410,6 +410,7 @@
             PyObject *sub = PEEK(1);
             PyObject *container = PEEK(2);
             PyObject *res;
+            #if ENABLE_SPECIALIZATION
             _PyBinarySubscrCache *cache = (_PyBinarySubscrCache *)next_instr;
             if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
                 assert(cframe.use_tracing == 0);
@@ -419,6 +420,7 @@
             }
             STAT_INC(BINARY_SUBSCR, deferred);
             DECREMENT_ADAPTIVE_COUNTER(cache->counter);
+            #endif  /* ENABLE_SPECIALIZATION */
             res = PyObject_GetItem(container, sub);
             Py_DECREF(container);
             Py_DECREF(sub);
@@ -598,6 +600,7 @@
             PyObject *container = PEEK(2);
             PyObject *v = PEEK(3);
             uint16_t counter = read_u16(&next_instr[0].cache);
+            #if ENABLE_SPECIALIZATION
             if (ADAPTIVE_COUNTER_IS_ZERO(counter)) {
                 assert(cframe.use_tracing == 0);
                 next_instr--;
@@ -607,6 +610,9 @@
             STAT_INC(STORE_SUBSCR, deferred);
             _PyStoreSubscrCache *cache = (_PyStoreSubscrCache *)next_instr;
             DECREMENT_ADAPTIVE_COUNTER(cache->counter);
+            #else
+            (void)counter;  // Unused.
+            #endif  /* ENABLE_SPECIALIZATION */
             /* container[sub] = v */
             int err = PyObject_SetItem(container, sub, v);
             Py_DECREF(v);
@@ -1092,6 +1098,7 @@
 
         TARGET(UNPACK_SEQUENCE) {
             PREDICTED(UNPACK_SEQUENCE);
+            #if ENABLE_SPECIALIZATION
             _PyUnpackSequenceCache *cache = (_PyUnpackSequenceCache *)next_instr;
             if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
                 assert(cframe.use_tracing == 0);
@@ -1102,6 +1109,7 @@
             }
             STAT_INC(UNPACK_SEQUENCE, deferred);
             DECREMENT_ADAPTIVE_COUNTER(cache->counter);
+            #endif  /* ENABLE_SPECIALIZATION */
             PyObject *seq = POP();
             PyObject **top = stack_pointer + oparg;
             if (!unpack_iterable(tstate, seq, oparg, -1, top)) {
@@ -1174,6 +1182,7 @@
             PyObject *owner = PEEK(1);
             PyObject *v = PEEK(2);
             uint16_t counter = read_u16(&next_instr[0].cache);
+            #if ENABLE_SPECIALIZATION
             if (ADAPTIVE_COUNTER_IS_ZERO(counter)) {
                 assert(cframe.use_tracing == 0);
                 PyObject *name = GETITEM(names, oparg);
@@ -1184,6 +1193,9 @@
             STAT_INC(STORE_ATTR, deferred);
             _PyAttrCache *cache = (_PyAttrCache *)next_instr;
             DECREMENT_ADAPTIVE_COUNTER(cache->counter);
+            #else
+            (void)counter;  // Unused.
+            #endif  /* ENABLE_SPECIALIZATION */
             PyObject *name = GETITEM(names, oparg);
             int err = PyObject_SetAttr(owner, name, v);
             Py_DECREF(v);
@@ -1296,6 +1308,7 @@
 
         TARGET(LOAD_GLOBAL) {
             PREDICTED(LOAD_GLOBAL);
+            #if ENABLE_SPECIALIZATION
             _PyLoadGlobalCache *cache = (_PyLoadGlobalCache *)next_instr;
             if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
                 assert(cframe.use_tracing == 0);
@@ -1306,6 +1319,7 @@
             }
             STAT_INC(LOAD_GLOBAL, deferred);
             DECREMENT_ADAPTIVE_COUNTER(cache->counter);
+            #endif  /* ENABLE_SPECIALIZATION */
             int push_null = oparg & 1;
             PEEK(0) = NULL;
             PyObject *name = GETITEM(names, oparg>>1);
@@ -1733,6 +1747,7 @@
 
         TARGET(LOAD_ATTR) {
             PREDICTED(LOAD_ATTR);
+            #if ENABLE_SPECIALIZATION
             _PyAttrCache *cache = (_PyAttrCache *)next_instr;
             if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
                 assert(cframe.use_tracing == 0);
@@ -1744,6 +1759,7 @@
             }
             STAT_INC(LOAD_ATTR, deferred);
             DECREMENT_ADAPTIVE_COUNTER(cache->counter);
+            #endif  /* ENABLE_SPECIALIZATION */
             PyObject *name = GETITEM(names, oparg >> 1);
             PyObject *owner = TOP();
             if (oparg & 1) {
@@ -2104,6 +2120,7 @@
             PREDICTED(COMPARE_AND_BRANCH);
             PyObject *right = PEEK(1);
             PyObject *left = PEEK(2);
+            #if ENABLE_SPECIALIZATION
             _PyCompareOpCache *cache = (_PyCompareOpCache *)next_instr;
             if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
                 assert(cframe.use_tracing == 0);
@@ -2113,6 +2130,7 @@
             }
             STAT_INC(COMPARE_AND_BRANCH, deferred);
             DECREMENT_ADAPTIVE_COUNTER(cache->counter);
+            #endif  /* ENABLE_SPECIALIZATION */
             assert((oparg >> 4) <= Py_GE);
             PyObject *cond = PyObject_RichCompare(left, right, oparg>>4);
             Py_DECREF(left);
@@ -2571,6 +2589,7 @@
 
         TARGET(FOR_ITER) {
             PREDICTED(FOR_ITER);
+            #if ENABLE_SPECIALIZATION
             _PyForIterCache *cache = (_PyForIterCache *)next_instr;
             if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
                 assert(cframe.use_tracing == 0);
@@ -2580,6 +2599,7 @@
             }
             STAT_INC(FOR_ITER, deferred);
             DECREMENT_ADAPTIVE_COUNTER(cache->counter);
+            #endif  /* ENABLE_SPECIALIZATION */
             /* before: [iter]; after: [iter, iter()] *or* [] */
             PyObject *iter = TOP();
             PyObject *next = (*Py_TYPE(iter)->tp_iternext)(iter);
@@ -2901,6 +2921,7 @@
 
         TARGET(CALL) {
             PREDICTED(CALL);
+            #if ENABLE_SPECIALIZATION
             _PyCallCache *cache = (_PyCallCache *)next_instr;
             if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
                 assert(cframe.use_tracing == 0);
@@ -2913,6 +2934,7 @@
             }
             STAT_INC(CALL, deferred);
             DECREMENT_ADAPTIVE_COUNTER(cache->counter);
+            #endif  /* ENABLE_SPECIALIZATION */
             int total_args, is_meth;
             is_meth = is_method(stack_pointer, oparg);
             PyObject *function = PEEK(oparg + 1);
@@ -3650,6 +3672,7 @@
             PyObject *rhs = PEEK(1);
             PyObject *lhs = PEEK(2);
             PyObject *res;
+            #if ENABLE_SPECIALIZATION
             _PyBinaryOpCache *cache = (_PyBinaryOpCache *)next_instr;
             if (ADAPTIVE_COUNTER_IS_ZERO(cache->counter)) {
                 assert(cframe.use_tracing == 0);
@@ -3659,6 +3682,7 @@
             }
             STAT_INC(BINARY_OP, deferred);
             DECREMENT_ADAPTIVE_COUNTER(cache->counter);
+            #endif  /* ENABLE_SPECIALIZATION */
             assert(0 <= oparg);
             assert((unsigned)oparg < Py_ARRAY_LENGTH(binary_ops));
             assert(binary_ops[oparg]);