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gh-98831: rewrite COPY and SWAP in the instruction definition DSL (#101620)

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Irit Katriel 2023-02-06 22:45:18 +00:00 • committed by GitHub
parent 949c58f945
commit 38752760c9
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3 changed files with 21 additions and 22 deletions
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17
Python/bytecodes.c
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@ -3098,11 +3098,9 @@ dummy_func(
PUSH(result);
}
// stack effect: ( -- __0)
inst(COPY) {
assert(oparg != 0);
PyObject *peek = PEEK(oparg);
PUSH(Py_NewRef(peek));
inst(COPY, (bottom, unused[oparg-1] -- bottom, unused[oparg-1], top)) {
assert(oparg > 0);
top = Py_NewRef(bottom);
}
inst(BINARY_OP, (unused/1, lhs, rhs -- res)) {
@ -3126,12 +3124,9 @@ dummy_func(
ERROR_IF(res == NULL, error);
}
// stack effect: ( -- )
inst(SWAP) {
assert(oparg != 0);
PyObject *top = TOP();
SET_TOP(PEEK(oparg));
PEEK(oparg) = top;
inst(SWAP, (bottom, unused[oparg-2], top --
top, unused[oparg-2], bottom)) {
assert(oparg >= 2);
}
inst(EXTENDED_ARG, (--)) {