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remove of unecessary luaD_checkstack. (In some cases, C should

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ensure stack space; in others, Lua can use the extra slots for
temporary values.)
This commit is contained in:
Roberto Ierusalimschy
2012-08-16 14:34:28 -03:00
parent c1a2a646c8
commit a3e1c40d6d
5 changed files with 19 additions and 23 deletions
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9
lcode.c
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@@ -1,5 +1,5 @@
/*
** $Id: lcode.c,v 2.60 2011/08/30 16:26:41 roberto Exp roberto $
** $Id: lcode.c,v 2.61 2012/08/14 18:12:34 roberto Exp roberto $
** Code generator for Lua
** See Copyright Notice in lua.h
*/
@@ -330,10 +330,9 @@ int luaK_numberK (FuncState *fs, lua_Number r) {
setnvalue(&o, r);
if (r == 0 || luai_numisnan(NULL, r)) { /* handle -0 and NaN */
/* use raw representation as key to avoid numeric problems */
setsvalue(L, L->top, luaS_newlstr(L, (char *)&r, sizeof(r)));
incr_top(L);
n = addk(fs, L->top - 1, &o);
L->top--;
setsvalue(L, L->top++, luaS_newlstr(L, (char *)&r, sizeof(r)));
n = addk(fs, L->top - 1, &o);
L->top--;
}
else
n = addk(fs, &o, &o); /* regular case */