How are index variables declared? (and about -CA compilation option)

How are index variables declared? (and about -CA compilation option)

Hello,

I'm having problems with a code that uses large arrays, and it have been told to me that itcould be related to wrong declaration of allocatable array index variables, because they could be declared as integer*4 by default and I could need them as integer*8. How can I check and change this?

Is there any compilation option like -CA and -CB that make checkbounds in an Itanium?

Thanks

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