Re: determine if a CPU is Intel 64-bit
Re: determine if a CPU is Intel 64-bit
- Subject: Re: determine if a CPU is Intel 64-bit
- From: Ronald Oussoren <email@hidden>
- Date: Tue, 26 Mar 2013 16:52:19 +0100
On 26 Mar, 2013, at 16:19, Scott Ribe <email@hidden> wrote:
> You'd think using sysctl to check the value of hw.machine for x86_64 would do it, but I recently came across a user with a 2009 iMac with a 64-bit CPU which reported i386 (running OS X 10.6.8)...
>
> So what other way is there for a 32-bit process to *reliably* discover if it's running on a 64-bit capable CPU? (Regardless of whether the OS is 64-bit.) Will I have to get hw.model and then verify the CPU myself?
Have you looked at hw.cpu64bit_capable?
Ronald
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