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all jumps have byte variants; WHILE optimization

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This commit is contained in:
Roberto Ierusalimschy
1997-10-01 17:05:34 -03:00
parent eb617df2d8
commit 28d47a0aaa
3 changed files with 129 additions and 79 deletions
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9
lopcodes.h
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@@ -1,5 +1,5 @@
/*
** $Id: lopcodes.h,v 1.4 1997/09/22 20:53:20 roberto Exp roberto $
** $Id: lopcodes.h,v 1.5 1997/09/24 19:43:11 roberto Exp roberto $
** Opcodes for Lua virtual machine
** See Copyright Notice in lua.h
*/
@@ -76,6 +76,7 @@ GETTABLE,/* i t t[i] */
PUSHSELFB,/* b t t t[CNST[b]] */
PUSHSELF,/* w t t t[CNST[w]] */
CREATEARRAYB,/* b - newarray(size = b) */
CREATEARRAY,/* w - newarray(size = w) */
SETLOCAL0,/* x - LOC[0]=x */
@@ -118,10 +119,12 @@ NOTOP,/* x (x==nil)? 1 : nil */
/* NOTICE: all jumps are relative to the position following the opcode */
ONTJMP,/* b x (x!=nil)? x : - (x!=nil)? PC+=b */
ONFJMP,/* b x (x==nil)? x : - (x==nil)? PC+=b */
JMPB,/* b - - PC+=b */
JMP,/* w - - PC+=w */
UPJMPB,/* b - - PC-=b */
UPJMP,/* w - - PC-=w */
IFFJMPB,/* b x - (x==nil)? PC+=b */
IFFJMP,/* w x - (x==nil)? PC+=w */
IFTUPJMPB,/* b x - (x!=nil)? PC-=b */
IFTUPJMP,/* w x - (x!=nil)? PC-=w */
IFFUPJMPB,/* b x - (x==nil)? PC-=b */
IFFUPJMP,/* w x - (x==nil)? PC-=w */