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Make use of ArrayObjects in favor of generic JS objects.

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ArrayObjects has been a thing for years but been under-used. About time
they are used where prudent.
This commit is contained in:
wolfbeast 2019-06-12 03:19:09 +00:00 • committed by Roy Tam
commit 87f3c86484
14 changed files with 57 additions and 96 deletions
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8
js/src/jit/CodeGenerator.cpp
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@ -5169,11 +5169,11 @@ static JSObject*
NewArrayWithGroup(JSContext* cx, uint32_t length, HandleObjectGroup group,
bool convertDoubleElements)
{
JSObject* res = NewFullyAllocatedArrayTryUseGroup(cx, group, length);
ArrayObject* res = NewFullyAllocatedArrayTryUseGroup(cx, group, length);
if (!res)
return nullptr;
if (convertDoubleElements)
res->as<ArrayObject>().setShouldConvertDoubleElements();
res->setShouldConvertDoubleElements();
return res;
}
@ -5319,7 +5319,7 @@ CodeGenerator::visitNewArrayCopyOnWrite(LNewArrayCopyOnWrite* lir)
masm.bind(ool->rejoin());
}
typedef JSObject* (*ArrayConstructorOneArgFn)(JSContext*, HandleObjectGroup, int32_t length);
typedef ArrayObject* (*ArrayConstructorOneArgFn)(JSContext*, HandleObjectGroup, int32_t length);
static const VMFunction ArrayConstructorOneArgInfo =
FunctionInfo<ArrayConstructorOneArgFn>(ArrayConstructorOneArg, "ArrayConstructorOneArg");
@ -7765,7 +7765,7 @@ CodeGenerator::visitSinCos(LSinCos *lir)
masm.freeStack(sizeof(double) * 2);
}
typedef JSObject* (*StringSplitFn)(JSContext*, HandleObjectGroup, HandleString, HandleString, uint32_t);
typedef ArrayObject* (*StringSplitFn)(JSContext*, HandleObjectGroup, HandleString, HandleString, uint32_t);
static const VMFunction StringSplitInfo =
FunctionInfo<StringSplitFn>(js::str_split_string, "str_split_string");