Mercurial > cpython-lru_cache-weakref
diff Python/ceval.c @ 55034:6210dedd2cf7 legacy-trunk
small optimization: avoid popping the current block until we have to
| author | Benjamin Peterson <benjamin@python.org> |
|---|---|
| date | Wed, 01 Jul 2009 23:45:19 +0000 |
| parents | 368478859fe3 |
| children | f594313b9364 |
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--- a/Python/ceval.c Wed Jul 01 13:34:35 2009 +0000 +++ b/Python/ceval.c Wed Jul 01 23:45:19 2009 +0000 @@ -2806,20 +2806,20 @@ fast_block_end: while (why != WHY_NOT && f->f_iblock > 0) { - PyTryBlock *b = PyFrame_BlockPop(f); + /* Peek at the current block. */ + PyTryBlock *b = &f->f_blockstack[f->f_iblock - 1]; assert(why != WHY_YIELD); if (b->b_type == SETUP_LOOP && why == WHY_CONTINUE) { - /* For a continue inside a try block, - don't pop the block for the loop. */ - PyFrame_BlockSetup(f, b->b_type, b->b_handler, - b->b_level); why = WHY_NOT; JUMPTO(PyInt_AS_LONG(retval)); Py_DECREF(retval); break; } + /* Now we have to pop the block. */ + f->f_iblock--; + while (STACK_LEVEL() > b->b_level) { v = POP(); Py_XDECREF(v);