Thanks to visit codestin.com
Credit goes to github.com

Skip to content

GH-104584: Miscellaneous fixes for -Xuops #106908

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 6 commits into from
Jul 20, 2023
Merged

GH-104584: Miscellaneous fixes for -Xuops #106908

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
6 commits
Select commit Hold shift + click to select a range
4c2385b
Fix failing C-API test
brandtbucher Jul 18, 2023
630bfc8
Fix refleak
brandtbucher Jul 18, 2023
2312b53
Fix dis
brandtbucher Jul 19, 2023
70d28d8
Fix bad line events
brandtbucher Jul 19, 2023
db15329
Don't hang in closed loops
brandtbucher Jul 19, 2023
a23c39e
blurb add
brandtbucher Jul 20, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Prev Previous commit
Next Next commit
Fix bad line events
  • Loading branch information
@brandtbucher
brandtbucher committed Jul 19, 2023
commit 70d28d8ab3611e9048e639e6ac1e93405db5262c
9 changes: 8 additions & 1 deletion Python/bytecodes.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2182,7 +2182,14 @@ dummy_func(
JUMPBY(1-oparg);
#if ENABLE_SPECIALIZATION
here[1].cache += (1 << OPTIMIZER_BITS_IN_COUNTER);
if (here[1].cache > tstate->interp->optimizer_backedge_threshold) {
if (here[1].cache > tstate->interp->optimizer_backedge_threshold &&
// Double-check that the opcode isn't instrumented or something:
here->op.code == JUMP_BACKWARD &&
// _PyOptimizer_BackEdge is going to change frame->prev_instr,
// which breaks line event calculations:
next_instr->op.code != INSTRUMENTED_LINE
)
{
OBJECT_STAT_INC(optimization_attempts);
frame = _PyOptimizer_BackEdge(frame, here, next_instr, stack_pointer);
if (frame == NULL) {
Expand Down
9 changes: 8 additions & 1 deletion Python/generated_cases.c.h
View file
Open in desktop

Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.

1 change: 1 addition & 0 deletions Python/optimizer.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -155,6 +155,7 @@ PyUnstable_SetOptimizer(_PyOptimizerObject *optimizer)
_PyInterpreterFrame *
_PyOptimizer_BackEdge(_PyInterpreterFrame *frame, _Py_CODEUNIT *src, _Py_CODEUNIT *dest, PyObject **stack_pointer)
{
assert(src->op.code == JUMP_BACKWARD);
PyCodeObject *code = (PyCodeObject *)frame->f_executable;
assert(PyCode_Check(code));
PyInterpreterState *interp = _PyInterpreterState_GET();
Expand Down