mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-04 00:48:58 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

gh-105481: add pseudo-instructions to the bytecodes DSL (#105506)

Browse source
This commit is contained in:
Irit Katriel 2023-06-11 22:31:59 +01:00 • committed by GitHub
parent 20a56d8bec
commit 58f5227d7c
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
8 changed files with 507 additions and 267 deletions
Download patch file Download diff file Expand all files Collapse all files

47
Python/bytecodes.c
View file

@ -50,6 +50,7 @@
#define macro(name) static int MACRO_##name
#define super(name) static int SUPER_##name
#define family(name, ...) static int family_##name
#define pseudo(name) static int pseudo_##name
// Dummy variables for stack effects.
static PyObject *value, *value1, *value2, *left, *right, *res, *sum, *prod, *sub;
@ -218,6 +219,10 @@ dummy_func(
SETLOCAL(oparg, value);
}
pseudo(STORE_FAST_MAYBE_NULL) = {
STORE_FAST,
};
inst(STORE_FAST_LOAD_FAST, (value1 -- value2)) {
uint32_t oparg1 = oparg >> 4;
uint32_t oparg2 = oparg & 15;
@ -1674,6 +1679,18 @@ dummy_func(
ERROR_IF(res == NULL, error);
}
pseudo(LOAD_SUPER_METHOD) = {
LOAD_SUPER_ATTR,
};
pseudo(LOAD_ZERO_SUPER_METHOD) = {
LOAD_SUPER_ATTR,
};
pseudo(LOAD_ZERO_SUPER_ATTR) = {
LOAD_SUPER_ATTR,
};
inst(LOAD_SUPER_ATTR_ATTR, (unused/1, global_super, class, self -- res2 if (oparg & 1), res)) {
assert(!(oparg & 1));
DEOPT_IF(global_super != (PyObject *)&PySuper_Type, LOAD_SUPER_ATTR);
@ -1772,6 +1789,10 @@ dummy_func(
}
}
pseudo(LOAD_METHOD) = {
LOAD_ATTR,
};
inst(LOAD_ATTR_INSTANCE_VALUE, (unused/1, type_version/2, index/1, unused/5, owner -- res2 if (oparg & 1), res)) {
PyTypeObject *tp = Py_TYPE(owner);
assert(type_version != 0);
@ -2142,6 +2163,16 @@ dummy_func(
CHECK_EVAL_BREAKER();
}
pseudo(JUMP) = {
JUMP_FORWARD,
JUMP_BACKWARD,
};
pseudo(JUMP_NO_INTERRUPT) = {
JUMP_FORWARD,
JUMP_BACKWARD_NO_INTERRUPT,
};
inst(ENTER_EXECUTOR, (--)) {
_PyExecutorObject *executor = (_PyExecutorObject *)frame->f_code->co_executors->executors[oparg];
Py_INCREF(executor);
@ -2530,6 +2561,22 @@ dummy_func(
ERROR_IF(res == NULL, error);
}
pseudo(SETUP_FINALLY) = {
NOP,
};
pseudo(SETUP_CLEANUP) = {
NOP,
};
pseudo(SETUP_WITH) = {
NOP,
};
pseudo(POP_BLOCK) = {
NOP,
};
inst(PUSH_EXC_INFO, (new_exc -- prev_exc, new_exc)) {
_PyErr_StackItem *exc_info = tstate->exc_info;
if (exc_info->exc_value != NULL) {