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new opcodes for table access with constant keys (strings and integers)

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Roberto Ierusalimschy
2017-04-28 17:57:45 -03:00
parent 173e41b2eb
commit 502a1d1108
7 changed files with 248 additions and 102 deletions
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22
lopcodes.h
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@@ -1,5 +1,5 @@
/*
** $Id: lopcodes.h,v 1.151 2017/04/24 20:26:39 roberto Exp roberto $
** $Id: lopcodes.h,v 1.152 2017/04/26 17:46:52 roberto Exp roberto $
** Opcodes for Lua virtual machine
** See Copyright Notice in lua.h
*/
@@ -178,17 +178,21 @@ OP_LOADKX,/* A R(A) := Kst(extra arg) */
OP_LOADBOOL,/* A B C R(A) := (Bool)B; if (C) pc++ */
OP_LOADNIL,/* A B R(A), R(A+1), ..., R(A+B) := nil */
OP_GETUPVAL,/* A B R(A) := UpValue[B] */
OP_GETTABUP,/* A B C R(A) := UpValue[B][RK(C)] */
OP_GETTABLE,/* A B C R(A) := R(B)[RK(C)] */
OP_SETTABUP,/* A B C UpValue[A][RK(B)] := RK(C) */
OP_SETUPVAL,/* A B UpValue[B] := R(A) */
OP_SETTABLE,/* A B C R(A)[RK(B)] := RK(C) */
OP_GETTABUP,/* A B C R(A) := UpValue[B][K(C):string] */
OP_GETTABLE,/* A B C R(A) := R(B)[R(C)] */
OP_GETI,/* A B C R(A) := R(B)[C] */
OP_GETFIELD,/* A B C R(A) := R(B)[Kst(C):string] */
OP_SETTABUP,/* A B C UpValue[A][K(B):string] := RK(C) */
OP_SETTABLE,/* A B C R(A)[R(B)] := RK(C) */
OP_SETI,/* A B C R(A)[B] := RK(C) */
OP_SETFIELD,/* A B C R(A)[K(B):string] := RK(C) */
OP_NEWTABLE,/* A B C R(A) := {} (size = B,C) */
OP_SELF,/* A B C R(A+1) := R(B); R(A) := R(B)[RK(C)] */
OP_SELF,/* A B C R(A+1) := R(B); R(A) := R(B)[RK(C):string] */
OP_ADDI,/* A B C R(A) := R(B) + C */
OP_ADD,/* A B C R(A) := RK(B) + RK(C) */
@@ -259,8 +263,6 @@ OP_EXTRAARG/* Ax extra (larger) argument for previous opcode */
(*) In OP_LOADKX, the next 'instruction' is always EXTRAARG.
(*) In OP_GETTABUP, OP_SETTABUP, and OP_SELF, the index must be a string.
(*) For comparisons, A specifies what condition the test should accept
(true or false).