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change in opcode OP_LOADNIL: B is used as a counter instead of a

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register. (Avoids an assignment to R(B), not present in any other
instruction.)
This commit is contained in:
Roberto Ierusalimschy
2011-04-19 13:22:13 -03:00
parent a4e644add2
commit 4758113043
5 changed files with 22 additions and 18 deletions
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4
lopcodes.c
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@@ -1,5 +1,5 @@
/*
** $Id: lopcodes.c,v 1.46 2011/04/07 18:14:12 roberto Exp roberto $
** $Id: lopcodes.c,v 1.47 2011/04/12 17:27:35 roberto Exp roberto $
** See Copyright Notice in lua.h
*/
@@ -66,7 +66,7 @@ LUAI_DDEF const lu_byte luaP_opmodes[NUM_OPCODES] = {
,opmode(0, 1, OpArgK, OpArgN, iABx) /* OP_LOADK */
,opmode(0, 1, OpArgN, OpArgN, iABx) /* OP_LOADKX */
,opmode(0, 1, OpArgU, OpArgU, iABC) /* OP_LOADBOOL */
,opmode(0, 1, OpArgR, OpArgN, iABC) /* OP_LOADNIL */
,opmode(0, 1, OpArgU, OpArgN, iABC) /* OP_LOADNIL */
,opmode(0, 1, OpArgU, OpArgN, iABC) /* OP_GETUPVAL */
,opmode(0, 1, OpArgU, OpArgK, iABC) /* OP_GETTABUP */
,opmode(0, 1, OpArgR, OpArgK, iABC) /* OP_GETTABLE */