Stowage/cpython
2
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2026-04-21 03:10:52 +00:00
Code Issues Projects Releases Packages Wiki Activity

gh-148171: Convert CALL_BUILTIN_FAST to leave inputs on the stack for refcount elimination in JIT (GH-148172)

Browse source
This commit is contained in:
Ken Jin 2026-04-10 23:11:18 +08:00 • committed by GitHub
parent aea0b91d65
commit 266247c9a6
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
14 changed files with 1199 additions and 1103 deletions
Download patch file Download diff file Expand all files Collapse all files

23
Python/optimizer_analysis.c
View file

@ -405,6 +405,29 @@ lookup_attr(JitOptContext *ctx, _PyBloomFilter *dependencies, _PyUOpInstruction
return sym_new_not_null(ctx);
}
static void
optimize_pop_top(JitOptContext *ctx, _PyUOpInstruction *this_instr, JitOptRef value)
{
PyTypeObject *typ = sym_get_type(value);
if (PyJitRef_IsBorrowed(value) ||
sym_is_immortal(PyJitRef_Unwrap(value)) ||
sym_is_null(value)) {
ADD_OP(_POP_TOP_NOP, 0, 0);
}
else if (typ == &PyLong_Type) {
ADD_OP(_POP_TOP_INT, 0, 0);
}
else if (typ == &PyFloat_Type) {
ADD_OP(_POP_TOP_FLOAT, 0, 0);
}
else if (typ == &PyUnicode_Type) {
ADD_OP(_POP_TOP_UNICODE, 0, 0);
}
else {
ADD_OP(_POP_TOP, 0, 0);
}
}
/* Look up name via super (normal case from supercheck where
su_obj_type = Py_TYPE(obj)). */
static JitOptRef