INPLACE_DIVIDE is no longer necessary (INPLACE_TRUE_DIVIDE is used).

Author: nnorwitz

Doc/lib/libdis.tex

@@ -247,11 +247,6 @@ \subsection{Python Byte Code Instructions}
 Implements in-place \code{TOS = TOS1 * TOS}.
 \end{opcodedesc}
 
-\begin{opcodedesc}{INPLACE_DIVIDE}{}
-Implements in-place \code{TOS = TOS1 / TOS} when
-\code{from __future__ import division} is not in effect.
-\end{opcodedesc}
-
 \begin{opcodedesc}{INPLACE_FLOOR_DIVIDE}{}
 Implements in-place \code{TOS = TOS1 // TOS}.
 \end{opcodedesc}

Include/opcode.h

@@ -48,7 +48,7 @@ extern "C" {
 #define INPLACE_ADD	55
 #define INPLACE_SUBTRACT	56
 #define INPLACE_MULTIPLY	57
-#define INPLACE_DIVIDE	58
+
 #define INPLACE_MODULO	59
 #define STORE_SUBSCR	60
 #define DELETE_SUBSCR	61

Lib/compiler/pycodegen.py

@@ -999,7 +999,7 @@ def visitAugAssign(self, node):
         '+=' : 'INPLACE_ADD',
         '-=' : 'INPLACE_SUBTRACT',
         '*=' : 'INPLACE_MULTIPLY',
-        '/=' : 'INPLACE_DIVIDE',
+        '/=' : 'INPLACE_TRUE_DIVIDE',
         '//=': 'INPLACE_FLOOR_DIVIDE',
         '%=' : 'INPLACE_MODULO',
         '**=': 'INPLACE_POWER',

Lib/opcode.py

@@ -88,7 +88,7 @@ def jabs_op(name, op):
 def_op('INPLACE_ADD', 55)
 def_op('INPLACE_SUBTRACT', 56)
 def_op('INPLACE_MULTIPLY', 57)
-def_op('INPLACE_DIVIDE', 58)
+
 def_op('INPLACE_MODULO', 59)
 def_op('STORE_SUBSCR', 60)
 def_op('DELETE_SUBSCR', 61)

Python/compile.c

@@ -1338,7 +1338,6 @@ opcode_stack_effect(int opcode, int oparg)
 		case INPLACE_ADD:
 		case INPLACE_SUBTRACT:
 		case INPLACE_MULTIPLY:
-		case INPLACE_DIVIDE:
 		case INPLACE_MODULO:
 			return -1;
 		case STORE_SUBSCR: