free Windows 64-bit compiler?

This is a discussion on free Windows 64-bit compiler? within the Windows Programming forums, part of the Platform Specific Boards category; Hi, I cannot seem to find any free Windows C++ compiler that can generate 64-bit code to be run on ...

  1. #1
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    free Windows 64-bit compiler?

    Hi,
    I cannot seem to find any free Windows C++ compiler that can generate 64-bit code to be run on Windows XP Professional 64-bit Edition. Seems to me like both mingw and cygwin does not generate 64-bit code. I am aware that visual studio and intel compiler both have 64-bit support. But they are not free, and I have been a Linux programmer for quite a while, and would prefer gcc based solutions (icc is okay too, but Intel only offers the free version on Linux, because, presumably, only Linux programmers can be non-commercial...).

    Thank you

  2. #2
    pwns nooblars
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    Looks like someone didn't read their documentation, and cygwin isn't a compiler. --arch may help you.

  3. #3
    Cat without Hat CornedBee's Avatar
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    --arch doesn't exist; GCC doesn't have double-dash options. The option is -march=..., and it is just an optimization hint. The key to generating 64-bit code is the -m64 option.
    All the buzzt!
    CornedBee

    "There is not now, nor has there ever been, nor will there ever be, any programming language in which it is the least bit difficult to write bad code."
    - Flon's Law

  4. #4
    pwns nooblars
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    *didn't read the documentation either* I knew it was something that, haven't needed to generate x64 code before but I remembered the arch stuff from when I was messing with Linux, figured it was in there.

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    Thank you for your replies.
    I tried gcc under cygwin and got the error:
    Code:
    $ gcc -m64 test.c
    test.c:1: sorry, unimplemented: 64-bit mode not compiled in
    the same thing happens with mingw

    Has anyone successfully compiled 64-bit code with cygwin's gcc?

    Thanks

  6. #6
    Cat without Hat CornedBee's Avatar
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    Yeah, googling suggests that only the current CVS head is able to do that. See for example this thread from August:
    http://www.nabble.com/Binutils-versi...-t4349028.html
    All the buzzt!
    CornedBee

    "There is not now, nor has there ever been, nor will there ever be, any programming language in which it is the least bit difficult to write bad code."
    - Flon's Law

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    ah, i see. Guess I will just work on Linux for the time being then.

    Thank you

  8. #8
    Thang Le thavali's Avatar
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    Quote Originally Posted by cyberfish View Post
    Thank you for your replies.
    I tried gcc under cygwin and got the error:
    Code:
    $ gcc -m64 test.c
    test.c:1: sorry, unimplemented: 64-bit mode not compiled in
    the same thing happens with mingw

    Has anyone successfully compiled 64-bit code with cygwin's gcc?

    Thanks
    i met the same error too when build in Win7 64bit, MinGW g++ version 4.5

    MinGW has not till supported Win 64 bit yet ?

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    I think mingw-w64 is what you´re looking for. GCC for both x64 & x86 Windows! - MinGW-w64

    I may be wrong about this but isn´t it possible to get the visual studio x64 compiler with the Windows SDK for free?

  10. #10
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    Try the free version of MS visual Studio.

  11. #11
    &TH of undefined behavior Fordy's Avatar
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    Stop bumping ancient threads

    CLOSED

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