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GH-132732: Use pure op machinery to optimize various instructions with _POP_TOP and _POP_TWO (#137577)

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Savannah Bailey 2025-09-15 16:29:45 +01:00 • committed by GitHub
parent 5c4bb9b7f6
commit 9c9a0f7da7
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5 changed files with 258 additions and 22 deletions
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9
Python/optimizer_bytecodes.c
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@ -397,6 +397,7 @@ dummy_func(void) {
}
op(_UNARY_NEGATIVE, (value -- res)) {
REPLACE_OPCODE_IF_EVALUATES_PURE(value);
if (sym_is_compact_int(value)) {
res = sym_new_compact_int(ctx);
}
@ -412,6 +413,10 @@ dummy_func(void) {
}
op(_UNARY_INVERT, (value -- res)) {
// Required to avoid a warning due to the deprecation of bitwise inversion of bools
if (!sym_matches_type(value, &PyBool_Type)) {
REPLACE_OPCODE_IF_EVALUATES_PURE(value);
}
if (sym_matches_type(value, &PyLong_Type)) {
res = sym_new_type(ctx, &PyLong_Type);
}
@ -421,6 +426,9 @@ dummy_func(void) {
}
op(_COMPARE_OP, (left, right -- res)) {
// Comparison between bytes and str or int is not impacted by this optimization as bytes
// is not a safe type (due to its ability to raise a warning during comparisons).
REPLACE_OPCODE_IF_EVALUATES_PURE(left, right);
if (oparg & 16) {
res = sym_new_type(ctx, &PyBool_Type);
}
@ -449,6 +457,7 @@ dummy_func(void) {
}
op(_CONTAINS_OP, (left, right -- b)) {
REPLACE_OPCODE_IF_EVALUATES_PURE(left, right);
b = sym_new_type(ctx, &PyBool_Type);
}