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/Include/opcode.h b/Include/opcode.h
index 7ffa359..1114c93 100644
--- a/Include/opcode.h
+++ b/Include/opcode.h
@@ -12,7 +12,7 @@
#define ROT_TWO 2
#define ROT_THREE 3
#define DUP_TOP 4
-#define ROT_FOUR 5
+#define DUP_TOP_TWO 5
#define NOP 9
#define UNARY_POSITIVE 10
@@ -83,7 +83,7 @@
#define DELETE_ATTR 96 /* "" */
#define STORE_GLOBAL 97 /* "" */
#define DELETE_GLOBAL 98 /* "" */
-#define DUP_TOPX 99 /* number of items to duplicate */
+
#define LOAD_CONST 100 /* Index in const list */
#define LOAD_NAME 101 /* Index in name list */
#define BUILD_TUPLE 102 /* Number of tuple items */