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jscript: Optimize iface_to_jsdisp by using vtbl comparison. 

This is 14% win on SunSpider 0.9 benchmark.

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2016-07-20 13:41:23 +02:00 committed by Alexandre Julliard
parent be37b894a4
commit 798ba715e3
1 changed files with 3 additions and 20 deletions
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23
dlls/jscript/dispex.c
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@ -25,13 +25,6 @@
WINE_DEFAULT_DEBUG_CHANNEL(jscript);
/*
* This IID is used to get jsdisp_t objecto from interface.
* We might consider using private interface instead.
*/
static const IID IID_IDispatchJS =
{0x719c3050,0xf9d3,0x11cf,{0xa4,0x93,0x00,0x40,0x05,0x23,0xa8,0xa6}};
#define FDEX_VERSION_MASK 0xf0000000
#define GOLDEN_RATIO 0x9E3779B9U
@ -565,11 +558,6 @@ static HRESULT WINAPI DispatchEx_QueryInterface(IDispatchEx *iface, REFIID riid,
}else if(IsEqualGUID(&IID_IDispatchEx, riid)) {
TRACE("(%p)->(IID_IDispatchEx %p)\n", This, ppv);
*ppv = &This->IDispatchEx_iface;
}else if(IsEqualGUID(&IID_IDispatchJS, riid)) {
TRACE("(%p)->(IID_IDispatchJS %p)\n", This, ppv);
jsdisp_addref(This);
*ppv = This;
return S_OK;
}else {
WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
*ppv = NULL;
@ -1027,14 +1015,9 @@ HRESULT init_dispex_from_constr(jsdisp_t *dispex, script_ctx_t *ctx, const built
jsdisp_t *iface_to_jsdisp(IDispatch *iface)
{
jsdisp_t *ret;
HRESULT hres;
hres = IDispatch_QueryInterface(iface, &IID_IDispatchJS, (void**)&ret);
if(FAILED(hres))
return NULL;
return ret;
return iface->lpVtbl == (const IDispatchVtbl*)&DispatchExVtbl
? jsdisp_addref( impl_from_IDispatchEx((IDispatchEx*)iface))
: NULL;
}
HRESULT jsdisp_get_id(jsdisp_t *jsdisp, const WCHAR *name, DWORD flags, DISPID *id)