Re: 64-bit instructions

From: Terje Mathisen <spamtrap@xxxxxxxxxx>
Date: Thu, 31 Jul 2008 15:17:22 +0200

Bartc wrote:

I'm using a machine which I believe has a 64-bit-capable processor (Intel e2140), but is running 32-bit Vista.

Are there any useful 64-bit operations which are easily available in 32-bit mode, such as 64-bit arithmetic?

Get a copy of VMWare and install a virtual 64-bit OS as a guest.

This actually works pretty nicely, even if the host OS is 32-bit!

I've used it many times to debug/verify 64-bit operation on code that needed to be portable.

(Currently I'm running 32-bit XP and 64-bit Linux as guest with Vista-64 as the host OS.)

Terje

--
- <Terje.Mathisen@xxxxxxxxxxxxx>
"almost all programming can be viewed as an exercise in caching"

.

References:
- 64-bit instructions
  - From: Bartc

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