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| author | Raymond Hettinger <python@rcn.com> | 2004-03-07 07:31:06 (GMT) |
|---|---|---|
| committer | Raymond Hettinger <python@rcn.com> | 2004-03-07 07:31:06 (GMT) |
| commit | dd80f762650f42f5f9ae820d9f55b21ed6f33bc0 (patch) | |
| tree | f7e7e6545b9896601dd13a1c07e409fef88ede2b /Lib | |
| parent | bff63f034366b0cf0442e9db5e5674751beca25a (diff) | |
| download | cpython-dd80f762650f42f5f9ae820d9f55b21ed6f33bc0.zip cpython-dd80f762650f42f5f9ae820d9f55b21ed6f33bc0.tar.gz cpython-dd80f762650f42f5f9ae820d9f55b21ed6f33bc0.tar.bz2 | |
SF patch #910929: Optimize list comprehensions
Add a new opcode, LIST_APPEND, and apply it to the code generation for
list comprehensions. Reduces the per-loop overhead by about a third.
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/opcode.py | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Lib/opcode.py b/Lib/opcode.py index 39d4bd2..ae9f6cc 100644 --- a/Lib/opcode.py +++ b/Lib/opcode.py @@ -56,6 +56,7 @@ def_op('UNARY_CONVERT', 13) def_op('UNARY_INVERT', 15) +def_op('LIST_APPEND', 18) def_op('BINARY_POWER', 19) def_op('BINARY_MULTIPLY', 20) |