Issue #9225: Remove the ROT_FOUR and DUP_TOPX opcode, the latter replaced
by the new (and simpler) DUP_TOP_TWO. Performance isn't changed, but
our bytecode is a bit simplified. Patch by Demur Rumed.
diff --git a/Python/import.c b/Python/import.c
index a5277af..d6b19e8 100644
--- a/Python/import.c
+++ b/Python/import.c
@@ -101,12 +101,14 @@
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. */