jumps do not close upvalues (to be faster and simpler);

explicit instruction to close upvalues; command 'break' not
handled like a 'goto' (to optimize removal of uneeded 'close'
instructions)

1 files changed, 3 insertions, 2 deletions

diff --git a/lopcodes.h b/lopcodes.h
index f35de02a..4dfe66ce 100644
--- a/lopcodes.h
+++ b/lopcodes.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lopcodes.h,v 1.155 2017/06/29 15:38:41 roberto Exp roberto $
+** $Id: lopcodes.h,v 1.156 2017/08/14 18:33:14 roberto Exp roberto $
 ** Opcodes for Lua virtual machine
 ** See Copyright Notice in lua.h
 */
@@ -217,7 +217,8 @@ OP_LEN,/*	A B	R(A) := length of R(B)				*/
 
 OP_CONCAT,/*    A B C   R(A) := R(B).. ... ..R(C)                       */
 
-OP_JMP,/*       A sBx   pc+=sBx; if (A) close all upvalues >= R(A - 1)  */
+OP_CLOSE,/*     A       close all upvalues >= R(A)                      */
+OP_JMP,/*       sBx     pc+=sBx                                         */
 OP_EQ,/*        A B C   if ((RK(B) == RK(C)) ~= A) then pc++            */
 OP_LT,/*        A B C   if ((RK(B) <  RK(C)) ~= A) then pc++            */
 OP_LE,/*        A B C   if ((RK(B) <= RK(C)) ~= A) then pc++            */