Skip to content
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

Jump to bottom

bpo-46841: Improve the failure stats for COMPARE_OP #31663

Merged
merged 2 commits into from
Mar 3, 2022
Merged

bpo-46841: Improve the failure stats for COMPARE_OP #31663

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
3c2c673
Improve the failure stats for COMPARE_OP
brandtbucher Mar 3, 2022
1036d0d
blurb add
brandtbucher Mar 3, 2022
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
2 changes: 2 additions & 0 deletions Misc/NEWS.d/next/Core and Builtins/2022-03-03-10-46-13.bpo-46841.7CkuZx.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,2 @@
Add more detailed specialization failure stats for :opcode:`COMPARE_OP`
followed by :opcode:`EXTENDED_ARG`.
5 changes: 5 additions & 0 deletions Python/specialize.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -616,6 +616,7 @@ initial_counter_value(void) {
#define SPEC_FAIL_COMPARE_OP_BASEOBJECT 21
#define SPEC_FAIL_COMPARE_OP_FLOAT_LONG 22
#define SPEC_FAIL_COMPARE_OP_LONG_FLOAT 23
#define SPEC_FAIL_COMPARE_OP_EXTENDED_ARG 24

/* FOR_ITER */
#define SPEC_FAIL_FOR_ITER_GENERATOR 10
Expand Down Expand Up @@ -2080,6 +2081,10 @@ _Py_Specialize_CompareOp(PyObject *lhs, PyObject *rhs, _Py_CODEUNIT *instr,
*instr = _Py_MAKECODEUNIT(COMPARE_OP, oparg);
return;
#endif
if (next_opcode == EXTENDED_ARG) {
SPECIALIZATION_FAIL(COMPARE_OP, SPEC_FAIL_COMPARE_OP_EXTENDED_ARG);
goto failure;
}
SPECIALIZATION_FAIL(COMPARE_OP, SPEC_FAIL_COMPARE_OP_NOT_FOLLOWED_BY_COND_JUMP);
goto failure;
}
Expand Down