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new opcode OP_ADDI (for immediate integer operand) (Experimental)

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Roberto Ierusalimschy
2017-04-26 14:46:52 -03:00
parent a3f9c1a77a
commit 173e41b2eb
5 changed files with 65 additions and 11 deletions
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8
lopcodes.h
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@@ -1,5 +1,5 @@
/*
** $Id: lopcodes.h,v 1.150 2017/04/20 19:53:55 roberto Exp roberto $
** $Id: lopcodes.h,v 1.151 2017/04/24 20:26:39 roberto Exp roberto $
** Opcodes for Lua virtual machine
** See Copyright Notice in lua.h
*/
@@ -90,7 +90,7 @@ enum OpMode {iABC, iABx, iAsBx, iAx}; /* basic instruction format */
#define SET_OPCODE(i,o) ((i) = (((i)&MASK0(SIZE_OP,POS_OP)) | \
((cast(Instruction, o)<<POS_OP)&MASK1(SIZE_OP,POS_OP))))
#define getarg(i,pos,size) (cast(int, ((i)>>pos) & MASK1(size,0)))
#define getarg(i,pos,size) (cast(int, ((i)>>(pos)) & MASK1(size,0)))
#define setarg(i,v,pos,size) ((i) = (((i)&MASK0(size,pos)) | \
((cast(Instruction, v)<<pos)&MASK1(size,pos))))
@@ -100,6 +100,9 @@ enum OpMode {iABC, iABx, iAsBx, iAx}; /* basic instruction format */
#define GETARG_B(i) getarg(i, POS_B, SIZE_B)
#define SETARG_B(i,v) setarg(i, v, POS_B, SIZE_B)
#define GETARG_Br(i) getarg(i, POS_B, SIZE_B - 1)
#define GETARG_Bk(i) getarg(i, (POS_B + SIZE_B - 1), 1)
#define GETARG_C(i) getarg(i, POS_C, SIZE_C)
#define SETARG_C(i,v) setarg(i, v, POS_C, SIZE_C)
@@ -187,6 +190,7 @@ 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_ADDI,/* A B C R(A) := R(B) + C */
OP_ADD,/* A B C R(A) := RK(B) + RK(C) */
OP_SUB,/* A B C R(A) := RK(B) - RK(C) */
OP_MUL,/* A B C R(A) := RK(B) * RK(C) */