Stowage/cpython
2
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-10-19 16:03:42 +00:00
Code Issues Projects Releases Packages Wiki Activity

gh-133171: Re-enable JUMP_BACKWARD to free-threading build (gh-137800)

Browse source
This commit is contained in:
Donghee Na 2025-09-24 14:19:17 +09:00 • committed by GitHub
parent c8624cd367
commit c4f21d7c7c
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
7 changed files with 47 additions and 34 deletions
Download patch file Download diff file Expand all files Collapse all files

5
Python/bytecodes.c
View file

@ -2940,9 +2940,10 @@ dummy_func(
};
tier1 op(_SPECIALIZE_JUMP_BACKWARD, (--)) {
#if ENABLE_SPECIALIZATION
#if ENABLE_SPECIALIZATION_FT
if (this_instr->op.code == JUMP_BACKWARD) {
this_instr->op.code = tstate->interp->jit ? JUMP_BACKWARD_JIT : JUMP_BACKWARD_NO_JIT;
uint8_t desired = tstate->interp->jit ? JUMP_BACKWARD_JIT : JUMP_BACKWARD_NO_JIT;
FT_ATOMIC_STORE_UINT8_RELAXED(this_instr->op.code, desired);
// Need to re-dispatch so the warmup counter isn't off by one:
next_instr = this_instr;
DISPATCH_SAME_OPARG();

5
Python/generated_cases.c.h generated
View file

@ -7589,9 +7589,10 @@
/* Skip 1 cache entry */
// _SPECIALIZE_JUMP_BACKWARD
{
#if ENABLE_SPECIALIZATION
#if ENABLE_SPECIALIZATION_FT
if (this_instr->op.code == JUMP_BACKWARD) {
this_instr->op.code = tstate->interp->jit ? JUMP_BACKWARD_JIT : JUMP_BACKWARD_NO_JIT;
uint8_t desired = tstate->interp->jit ? JUMP_BACKWARD_JIT : JUMP_BACKWARD_NO_JIT;
FT_ATOMIC_STORE_UINT8_RELAXED(this_instr->op.code, desired);
next_instr = this_instr;
DISPATCH_SAME_OPARG();
}

4
Python/optimizer.c
View file

@ -119,6 +119,7 @@ _PyOptimizer_Optimize(
PyInterpreterState *interp = _PyInterpreterState_GET();
assert(interp->jit);
assert(!interp->compiling);
#ifndef Py_GIL_DISABLED
interp->compiling = true;
// The first executor in a chain and the MAX_CHAIN_DEPTH'th executor *must*
// make progress in order to avoid infinite loops or excessively-long
@ -160,6 +161,9 @@ _PyOptimizer_Optimize(
assert((*executor_ptr)->vm_data.valid);
interp->compiling = false;
return 1;
#else
return 0;
#endif
}
static _PyExecutorObject *