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| author | Peter Lazorchak <lazorchakp@gmail.com> | 2024-04-03 17:14:18 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-04-03 17:14:18 (GMT) |
| commit | 1c434688866db79082def4f9ef572b85d85908c8 (patch) | |
| tree | c253bfd0b3a7db1fda7e98c0ee2321ef100ceb2e /Python/executor_cases.c.h | |
| parent | 976bcb2379709da57073a9e07b518ff51daa617a (diff) | |
| download | cpython-1c434688866db79082def4f9ef572b85d85908c8.zip cpython-1c434688866db79082def4f9ef572b85d85908c8.tar.gz cpython-1c434688866db79082def4f9ef572b85d85908c8.tar.bz2 | |
gh-116168: Remove extra `_CHECK_STACK_SPACE` uops (#117242)
This merges all `_CHECK_STACK_SPACE` uops in a trace into a single `_CHECK_STACK_SPACE_OPERAND` uop that checks whether there is enough stack space for all calls included in the entire trace.
Diffstat (limited to 'Python/executor_cases.c.h')
| -rw-r--r-- | Python/executor_cases.c.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Python/executor_cases.c.h b/Python/executor_cases.c.h index 82f2171..9847679 100644 --- a/Python/executor_cases.c.h +++ b/Python/executor_cases.c.h @@ -3592,6 +3592,14 @@ break; } + case _CHECK_STACK_SPACE_OPERAND: { + uint32_t framesize = (uint32_t)CURRENT_OPERAND(); + assert(framesize <= INT_MAX); + if (!_PyThreadState_HasStackSpace(tstate, framesize)) JUMP_TO_JUMP_TARGET(); + if (tstate->py_recursion_remaining <= 1) JUMP_TO_JUMP_TARGET(); + break; + } + case _SAVE_RETURN_OFFSET: { oparg = CURRENT_OPARG(); #if TIER_ONE |