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GH-115480: Reduce guard strength for binary ops when type of one operand is known already (GH-118050)

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This commit is contained in:
Mark Shannon
2024-04-22 13:34:06 +01:00
committed by GitHub
parent ceb6038b05
commit a6647d16ab
10 changed files with 316 additions and 103 deletions
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16
Python/bytecodes.c
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@@ -426,6 +426,14 @@ dummy_func(
EXIT_IF(!PyLong_CheckExact(right));
}
op(_GUARD_NOS_INT, (left, unused -- left, unused)) {
EXIT_IF(!PyLong_CheckExact(left));
}
op(_GUARD_TOS_INT, (value -- value)) {
EXIT_IF(!PyLong_CheckExact(value));
}
pure op(_BINARY_OP_MULTIPLY_INT, (left, right -- res)) {
STAT_INC(BINARY_OP, hit);
res = _PyLong_Multiply((PyLongObject *)left, (PyLongObject *)right);
@@ -462,6 +470,14 @@ dummy_func(
EXIT_IF(!PyFloat_CheckExact(right));
}
op(_GUARD_NOS_FLOAT, (left, unused -- left, unused)) {
EXIT_IF(!PyFloat_CheckExact(left));
}
op(_GUARD_TOS_FLOAT, (value -- value)) {
EXIT_IF(!PyFloat_CheckExact(value));
}
pure op(_BINARY_OP_MULTIPLY_FLOAT, (left, right -- res)) {
STAT_INC(BINARY_OP, hit);
double dres =