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GH-118095: Unify the behavior of tier 2 FOR_ITER branch micro-ops (GH-118420)

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* Target _FOR_ITER_TIER_TWO at POP_TOP following the matching END_FOR

* Modify _GUARD_NOT_EXHAUSTED_RANGE, _GUARD_NOT_EXHAUSTED_LIST and _GUARD_NOT_EXHAUSTED_TUPLE so that they also target the POP_TOP following the matching END_FOR
This commit is contained in:
Mark Shannon
2024-05-02 16:17:59 +01:00
committed by GitHub
parent 9789440de3
commit 72867c962c
5 changed files with 56 additions and 21 deletions
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6
Python/specialize.c
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@@ -215,6 +215,7 @@ print_gc_stats(FILE *out, GCStats *stats)
}
}
#ifdef _Py_TIER2
static void
print_histogram(FILE *out, const char *name, uint64_t hist[_Py_UOP_HIST_SIZE])
{
@@ -249,7 +250,6 @@ print_optimization_stats(FILE *out, OptimizationStats *stats)
stats->optimizer_failure_reason_no_memory);
fprintf(out, "Optimizer remove globals builtins changed: %" PRIu64 "\n", stats->remove_globals_builtins_changed);
fprintf(out, "Optimizer remove globals incorrect keys: %" PRIu64 "\n", stats->remove_globals_incorrect_keys);
for (int i = 0; i <= MAX_UOP_ID; i++) {
if (stats->opcode[i].execution_count) {
fprintf(out, "uops[%s].execution_count : %" PRIu64 "\n", _PyUOpName(i), stats->opcode[i].execution_count);
@@ -258,7 +258,6 @@ print_optimization_stats(FILE *out, OptimizationStats *stats)
fprintf(out, "uops[%s].specialization.miss : %" PRIu64 "\n", _PyUOpName(i), stats->opcode[i].miss);
}
}
for (int i = 0; i < 256; i++) {
if (stats->unsupported_opcode[i]) {
fprintf(
@@ -289,6 +288,7 @@ print_optimization_stats(FILE *out, OptimizationStats *stats)
}
}
}
#endif
static void
print_rare_event_stats(FILE *out, RareEventStats *stats)
@@ -309,7 +309,9 @@ print_stats(FILE *out, PyStats *stats)
print_call_stats(out, &stats->call_stats);
print_object_stats(out, &stats->object_stats);
print_gc_stats(out, stats->gc_stats);
#ifdef _Py_TIER2
print_optimization_stats(out, &stats->optimization_stats);
#endif
print_rare_event_stats(out, &stats->rare_event_stats);
}