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small optimization for sizes of array constructors

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Roberto Ierusalimschy
2003-02-18 13:02:56 -03:00
parent 07948c3181
commit 60c83ded30
5 changed files with 31 additions and 9 deletions
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5
lparser.c
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@@ -1,5 +1,5 @@
/*
** $Id: lparser.c,v 1.204 2003/02/11 10:46:24 roberto Exp roberto $
** $Id: lparser.c,v 1.205 2003/02/11 10:49:53 roberto Exp roberto $
** Lua Parser
** See Copyright Notice in lua.h
*/
@@ -515,8 +515,7 @@ static void constructor (LexState *ls, expdesc *t) {
} while (testnext(ls, ',') || testnext(ls, ';'));
check_match(ls, '}', '{', line);
lastlistfield(fs, &cc);
if (cc.na > 0)
SETARG_B(fs->f->code[pc], luaO_log2(cc.na-1)+2); /* set initial table size */
SETARG_B(fs->f->code[pc], luaO_int2fb(cc.na)); /* set initial array size */
SETARG_C(fs->f->code[pc], luaO_log2(cc.nh)+1); /* set initial table size */
}