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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
Include/opcode.h
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@ -12,7 +12,7 @@ extern "C" {
#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 @@ extern "C" {
#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 */