Getting GCC to compile 64bit code

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pskyboy

Getting GCC to compile 64bit code

Post by pskyboy »

Hey Guys

I was just wondering if anyone new how to get GCC to compile to x86-64 for rather then IA32 is it a command line switch.

Peter
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pini

Re:Getting GCC to compile 64bit code

Post by pini »

Try '-m64' to compile 64 bit code and '-m32' to compile 32 bit code
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pskyboy

Re:Getting GCC to compile 64bit code

Post by pskyboy »

Okay cheers, that seems to work

Peter
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Perica
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Re:Getting GCC to compile 64bit code

Post by Perica »

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Last edited by Perica on Sun Dec 03, 2006 8:30 pm, edited 1 time in total.
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pskyboy

Re:Getting GCC to compile 64bit code

Post by pskyboy »

32bit code runs on 32bit processors (Athlon, P4 etc), 64bit code runs on the new 64bit processors in this case Hammer (x86-64).


Peter
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