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new method to handle tests without values (negative values)

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Roberto Ierusalimschy
2005-08-29 17:49:21 -03:00
parent 3390f9a35a
commit 3b19af44b0
6 changed files with 58 additions and 40 deletions
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5
lopcodes.h
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@@ -1,5 +1,5 @@
/*
** $Id: lopcodes.h,v 1.120 2005/05/20 15:53:42 roberto Exp roberto $
** $Id: lopcodes.h,v 1.121 2005/06/06 13:30:25 roberto Exp $
** Opcodes for Lua virtual machine
** See Copyright Notice in lua.h
*/
@@ -186,7 +186,8 @@ 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++ */
OP_TEST,/* A B C if (R(B) <=> C) then R(A) := R(B) else pc++ */
OP_TEST,/* A C if not (R(A) <=> C) then pc++ */
OP_TESTSET,/* A B C if (R(B) <=> C) then R(A) := R(B) else pc++ */
OP_CALL,/* A B C R(A), ... ,R(A+C-2) := R(A)(R(A+1), ... ,R(A+B-1)) */
OP_TAILCALL,/* A B C return R(A)(R(A+1), ... ,R(A+B-1)) */