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JSOP_FORNAME.

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This commit is contained in:
Brendan Eich 2008-08-12 01:06:02 -07:00
parent d2e6e9e641
commit 8d77aad49c
1 changed files with 28 additions and 3 deletions
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31
js/src/jstracer.cpp
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@ -2294,8 +2294,10 @@ TraceRecorder::test_property_cache(JSObject* obj, LIns* obj_ins, JSObject*& obj2
}
LIns* shape_ins = addName(lir->insLoadi(map_ins, offsetof(JSScope, shape)), "shape");
guard(true, addName(lir->ins2i(LIR_eq, shape_ins, PCVCAP_SHAPE(entry->vcap)),
"guard(vcap_shape)"), MISMATCH_EXIT);
guard(true,
addName(lir->ins2i(LIR_eq, shape_ins, PCVCAP_SHAPE(entry->vcap)),
"guard(vcap_shape)"),
MISMATCH_EXIT);
}
}
@ -4030,7 +4032,30 @@ TraceRecorder::record_JSOP_ENDITER()
bool
TraceRecorder::record_JSOP_FORNAME()
{
return false;
LIns* id_ins;
if (!forInOp(id_ins))
return false;
if (!id_ins)
return true;
JSObject* obj = cx->fp->scopeChain;
if (obj != globalObj)
return false;
LIns* obj_ins = lir->insLoadi(lir->insLoadi(cx_ins, offsetof(JSContext, fp)),
offsetof(JSStackFrame, scopeChain));
uint32 slot;
if (!test_property_cache_direct_slot(obj, obj_ins, slot))
return false;
if (slot == SPROP_INVALID_SLOT)
ABORT_TRACE("JSOP_FORNAME can't find named property");
if (!lazilyImportGlobalSlot(slot))
ABORT_TRACE("lazy import of global slot failed");
set(&STOBJ_GET_SLOT(obj, slot), id_ins);
return true;
}
bool