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Issue #9225: Remove the ROT_FOUR and DUP_TOPX opcode, the latter replaced

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by the new (and simpler) DUP_TOP_TWO.  Performance isn't changed, but
our bytecode is a bit simplified.  Patch by Demur Rumed.
This commit is contained in:
Antoine Pitrou 2010-09-04 18:43:52 +00:00
parent ef0e6c3b04
commit 74a69fa662
9 changed files with 31 additions and 62 deletions
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4
Python/import.c
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@ -101,12 +101,14 @@ typedef unsigned short mode_t;
introduce POP_JUMP_IF_FALSE and POP_JUMP_IF_TRUE)
Python 3.2a0: 3160 (add SETUP_WITH)
tag: cpython-32
Python 3.2a1: 3170 (add DUP_TOP_TWO, remove DUP_TOPX and ROT_FOUR)
tag: cpython-32
*/
/* If you change MAGIC, you must change TAG and you must insert the old value
into _PyMagicNumberTags below.
*/
#define MAGIC (3160 | ((long)'\r'<<16) | ((long)'\n'<<24))
#define MAGIC (3170 | ((long)'\r'<<16) | ((long)'\n'<<24))
#define TAG "cpython-32"
#define CACHEDIR "__pycache__"
/* Current magic word and string tag as globals. */