How to make an x64 program run on win32?

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Hi,
I have a program for parallel programming that I wrote on a 64bit machine. Now I have to implement it on a 32 bit machine. I wrote the program in visual studio 2005 and the target machine has both visual studio 2005 and 2008. However, when I try to build or debug the program on the target machine, I do not get the debug option on the menu and on build I get the result
"0 succeeded, 0 failed, 1 skipped"
How do I make the program execute on the lower machine?
please help. Its urgent.
Thanks :)

Posted 15-Jun-11 22:03pm

neha.arora44c

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Sergey Alexandrovich Kryukov · Answer 1 · 2011-06-15T22:05:00

Solution 1

There is no way.

—SA

Posted 15-Jun-11 22:05pm

Sergey Alexandrovich Kryukov

Comments

neha.arora44c 16-Jun-11 4:09am

Are u sure about that? :(

Sergey Alexandrovich Kryukov 16-Jun-11 16:27pm

Well, sure it terms of practical ways. Theoretically it's possible to right a simulator. Probably a virtual 64-bit machine would be possible. But that's not it.
You see, all native applications work right in instruction set. If there is no some 64-bit instruction, what do you do? Emulate it. But this is not like running an application in the hardware. You do not mean re-compile instructions on the fly (modify code to 32-bit bit commands).

Just running 64-bit code as is purely impossible, I'm 100% sure here. The CPU reads unknown instruction. What happens? Calling some emulator on exception on per-command basis? That's not it. Think about it. Impossible is impossible.
--SA

S Houghtelin · Answer 2 · 2011-06-16T02:17:00

You can target the build for a specific platform under the build options. Is it you were trying to debug the 64 bit builld on a 32 bit machine?

This link may provide some help:
http://discuss.joelonsoftware.com/default.asp?joel.3.602634.7[^]

MSDN link:
http://msdn.microsoft.com/en-us/library/ms171526(v=VS.80).aspx[^]

divesh12 · Answer 3 · 2011-06-16T09:48:00

Solution 3

There is no way to run 64x application in 32 bit machine.

Posted 16-Jun-11 9:48am

divesh12