VLA in Assembler

[Foo via Digitalmars-d-learn]

On Wednesday, 17 December 2014 at 12:15:23 UTC, uri wrote:
> On Wednesday, 17 December 2014 at 11:39:43 UTC, Foo wrote:
>> On Wednesday, 17 December 2014 at 10:59:09 UTC, bearophile 
>> wrote:
>>> Foo:
>>>
>>>> Hi,
>>>> Could someone explain me, if and how it is possible to 
>>>> allocate a variable length array with inline assembly?
>>>> Somewhat like
>>>> ----
>>>> int[] arr;
>>>> int n = 42;
>>>> asm {
>>>>  // allocate n stack space for arr
>>>> }
>>>> ----
>>>> I know it is dangerous and all that, but I just want it 
>>>> know. ;)
>>>
>>> Doing it with alloca is simpler:
>>>
>>>
>>> void main() @nogc {
>>>   import core.stdc.stdlib: alloca, exit;
>>>
>>>   alias T = int;
>>>   enum n = 42;
>>>
>>>   auto ptr = cast(T*)alloca(T.sizeof * n);
>>>   if (ptr == null)
>>>       exit(1); // Or throw a memory error.
>>>   auto arr = ptr[0 .. n];
>>> }
>>>
>>>
>>> Bye,
>>> bearophile
>> Yes I know, but I really want it in inline assembly. It's for 
>> learning purpose. :)
>
> You could look at the disassembly.

And how? I'm on Windows.