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new opcode 'PREPVARARG'

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(avoids test for vararg function in all function calls)
This commit is contained in:
Roberto Ierusalimschy
2018-02-07 13:18:04 -02:00
parent 73d797ce7e
commit 318a9a5859
7 changed files with 50 additions and 29 deletions
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5
ltm.c
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@@ -1,5 +1,5 @@
/*
** $Id: ltm.c,v 2.57 2018/01/28 12:08:04 roberto Exp roberto $
** $Id: ltm.c,v 2.58 2018/01/28 13:39:52 roberto Exp roberto $
** Tag methods
** See Copyright Notice in lua.h
*/
@@ -216,10 +216,11 @@ int luaT_callorderiTM (lua_State *L, const TValue *p1, int v2,
}
void luaT_adjustvarargs (lua_State *L, int nfixparams, int actual) {
void luaT_adjustvarargs (lua_State *L, int nfixparams, StkId base) {
int i;
Table *vtab;
TValue nname;
int actual = cast_int(L->top - base); /* number of arguments */
int nextra = actual - nfixparams; /* number of extra arguments */
vtab = luaH_new(L); /* create vararg table */
sethvalue2s(L, L->top, vtab); /* anchor it for resizing */