Data type error

[MrShahi]

Hello .........
I have a simple problem i.e I wana use a varriable globaly with register keyword ......
I mean to say

class Myclass
{
...........
register int value;
..............
}

class Myclass
{
...........
register int value;
..............
}

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but whenevr I compile it , It gives error
error: storage class specified for ‘value’

I don't know what is wrong ????
anyone has any idea??????????????????????????????????