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Issue #26647: Python interpreter now uses 16-bit wordcode instead of bytecode.

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Patch by Demur Rumed.
This commit is contained in:
Serhiy Storchaka 2016-05-24 09:15:14 +03:00
parent c35f491a06
commit b0f80b0312
18 changed files with 4747 additions and 5022 deletions
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12
Objects/frameobject.c
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@ -189,7 +189,7 @@ frame_setlineno(PyFrameObject *f, PyObject* p_new_lineno)
memset(blockstack, '\0', sizeof(blockstack));
memset(in_finally, '\0', sizeof(in_finally));
blockstack_top = 0;
for (addr = 0; addr < code_len; addr++) {
for (addr = 0; addr < code_len; addr += 2) {
unsigned char op = code[addr];
switch (op) {
case SETUP_LOOP:
@ -251,10 +251,6 @@ frame_setlineno(PyFrameObject *f, PyObject* p_new_lineno)
}
}
}
if (op >= HAVE_ARGUMENT) {
addr += 2;
}
}
/* Verify that the blockstack tracking code didn't get lost. */
@ -277,7 +273,7 @@ frame_setlineno(PyFrameObject *f, PyObject* p_new_lineno)
* can tell whether the jump goes into any blocks without coming out
* again - in that case we raise an exception below. */
delta_iblock = 0;
for (addr = min_addr; addr < max_addr; addr++) {
for (addr = min_addr; addr < max_addr; addr += 2) {
unsigned char op = code[addr];
switch (op) {
case SETUP_LOOP:
@ -294,10 +290,6 @@ frame_setlineno(PyFrameObject *f, PyObject* p_new_lineno)
}
min_delta_iblock = Py_MIN(min_delta_iblock, delta_iblock);
if (op >= HAVE_ARGUMENT) {
addr += 2;
}
}
/* Derive the absolute iblock values from the deltas. */