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Revert #1091 Remove unboxed object code phase 1 + extras.

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This should be the last code backout for this. merging this branch
should get us back to the way we were (+ additional code changes for
later changes) as fasr as the unused unboxed code is concerned.
This commit is contained in:
wolfbeast 2020-02-23 19:43:47 +01:00 • committed by Roy Tam
commit 2996c783d8
37 changed files with 1545 additions and 102 deletions
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7
js/src/vm/Interpreter.cpp
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@ -4157,7 +4157,7 @@ CASE(JSOP_INITHOMEOBJECT)
/* Load the home object */
ReservedRooted<JSObject*> obj(&rootObject0);
obj = &REGS.sp[int(-2 - skipOver)].toObject();
MOZ_ASSERT(obj->is<PlainObject>() || obj->is<JSFunction>());
MOZ_ASSERT(obj->is<PlainObject>() || obj->is<UnboxedPlainObject>() || obj->is<JSFunction>());
func->setExtendedSlot(FunctionExtended::METHOD_HOMEOBJECT_SLOT, ObjectValue(*obj));
}
@ -4973,10 +4973,15 @@ js::NewObjectOperation(JSContext* cx, HandleScript script, jsbytecode* pc,
return nullptr;
if (group->maybePreliminaryObjects()) {
group->maybePreliminaryObjects()->maybeAnalyze(cx, group);
if (group->maybeUnboxedLayout())
group->maybeUnboxedLayout()->setAllocationSite(script, pc);
}
if (group->shouldPreTenure() || group->maybePreliminaryObjects())
newKind = TenuredObject;
if (group->maybeUnboxedLayout())
return UnboxedPlainObject::create(cx, group, newKind);
}
RootedObject obj(cx);