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

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Irit Katriel 2023-01-19 18:14:55 +00:00 • committed by GitHub
parent a1e051a237
commit e9ccfe4a63
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11 changed files with 87 additions and 3 deletions
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24
Python/generated_cases.c.h generated
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@ -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]);