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no more optimization to avoid LOADNIL at function start

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This commit is contained in:
Roberto Ierusalimschy
2007-03-27 11:11:38 -03:00
parent 8e36e1fe49
commit 5f4f0d4a63
3 changed files with 5 additions and 10 deletions
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4
lcode.c
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@@ -1,5 +1,5 @@
/*
** $Id: lcode.c,v 2.31 2006/10/10 17:39:00 roberto Exp roberto $
** $Id: lcode.c,v 2.32 2007/03/09 18:50:56 roberto Exp roberto $
** Code generator for Lua
** See Copyright Notice in lua.h
*/
@@ -35,8 +35,6 @@ static int isnumeral(expdesc *e) {
void luaK_nil (FuncState *fs, int from, int n) {
Instruction *previous;
if (fs->pc > fs->lasttarget) { /* no jumps to current position? */
if (fs->pc == 0) /* function start? */
return; /* positions are already clean */
previous = &fs->f->code[fs->pc-1];
if (GET_OPCODE(*previous) == OP_LOADNIL) {
int pfrom = GETARG_A(*previous);