new opcodes 'FORLOOP1'/'FORPREP1' for "basic for" (integer variable

with increment of 1)

1 files changed, 5 insertions, 1 deletions

diff --git a/lopcodes.h b/lopcodes.h
index c3269dff..ec880703 100644
--- a/lopcodes.h
+++ b/lopcodes.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lopcodes.h,v 1.178 2017/12/15 18:35:22 roberto Exp roberto $
+** $Id: lopcodes.h,v 1.179 2017/12/15 18:53:48 roberto Exp roberto $
 ** Opcodes for Lua virtual machine
 ** See Copyright Notice in lua.h
 */
@@ -267,6 +267,10 @@ OP_RETURN,/*	A B	return R(A), ... ,R(A+B-2)	(see note)	*/
 OP_RETURN0,/*           return                                          */
 OP_RETURN1,/*   A       return R(A)                                     */
 
+OP_FORLOOP1,/*  A Bx    R(A)++;
+                        if R(A) <= R(A+1) then { pc-=Bx; R(A+3)=R(A) }  */
+OP_FORPREP1,/*  A Bx    R(A)--; pc+=Bx                                  */
+
 OP_FORLOOP,/*   A Bx    R(A)+=R(A+2);
                         if R(A) <?= R(A+1) then { pc-=Bx; R(A+3)=R(A) } */
 OP_FORPREP,/*   A Bx    R(A)-=R(A+2); pc+=Bx                            */