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| author | mpage <mpage@meta.com> | 2025-04-01 17:18:42 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-04-01 17:18:42 (GMT) |
| commit | 053c285f6b41f92fbdd1d4ff0c959cceefacd7cd (patch) | |
| tree | c30af215989dca6fdd8f8ebb74396f29abdca308 /Python/optimizer_bytecodes.c | |
| parent | e9556e100452ed5a92fcf0e333ab75b0da29cf5b (diff) | |
| download | cpython-053c285f6b41f92fbdd1d4ff0c959cceefacd7cd.zip cpython-053c285f6b41f92fbdd1d4ff0c959cceefacd7cd.tar.gz cpython-053c285f6b41f92fbdd1d4ff0c959cceefacd7cd.tar.bz2 | |
gh-130704: Strength reduce `LOAD_FAST{_LOAD_FAST}` (#130708)
Optimize `LOAD_FAST` opcodes into faster versions that load borrowed references onto the operand stack when we can prove that the lifetime of the local outlives the lifetime of the temporary that is loaded onto the stack.
Diffstat (limited to 'Python/optimizer_bytecodes.c')
| -rw-r--r-- | Python/optimizer_bytecodes.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Python/optimizer_bytecodes.c b/Python/optimizer_bytecodes.c index 8d9e94a..163a8bf 100644 --- a/Python/optimizer_bytecodes.c +++ b/Python/optimizer_bytecodes.c @@ -86,6 +86,10 @@ dummy_func(void) { value = GETLOCAL(oparg); } + op(_LOAD_FAST_BORROW, (-- value)) { + value = GETLOCAL(oparg); + } + op(_LOAD_FAST_AND_CLEAR, (-- value)) { value = GETLOCAL(oparg); JitOptSymbol *temp = sym_new_null(ctx); |