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Here are some simple steps that can help you fix your Win32 x64 preprocessor problem. (1) Windows 32-bit. Many editions of Windows come in 32-bit and 64-bit versions. See 32 bit and x86 / x64 computing. (2) Win32 is an application programming interface (API) for 32-bit and 64-bit Windows systems.
(1) 32-bit version bundled with Windows. Many Windows editions have approaches to both 32-bit and 64-bit adaptation. See 32 bit and x86 / x64 computing. (2) Win32 is a programmatic user interface (API) for 32-bit and 64-bit Windows operating systems.
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It’s important to note that the versions of these preprocessor definitions are relevant to the difference between 32-bit and 64-bit machines.
Dedicated versions and _win32 _WIN64 will be integrated and will refer to the actual dedicated processor of the machine running VC ++. On this 32-bit machine, _WIN32 is still set as selected (the user doesn’t have to decide), but _WIN64 is not recognized. Yes, on a 64-bit machine _WIN64 is always installed, and _WIN32 can be installed more than once, but your code can use _WIN64 to determine if the machine is possibly 64-bit.
What is _M_X64?
_M_X64 Defined as an integer literal value for assemblies targeting x64 processors. Otherwise undefined.
Unlimited WIN32 is poorly documented and does not seem to have any effect on 32v64 machines afterwards. Standard Visual Projects C ++ for Windows does not use information technology in most cases (it may not be used for everyone). Many thanks to BTJ for clarifying this point.
Another note in Visual Studio: if you are using Visual Studio on a 64-bit machine and the configurations are for configuration assemblies Win32 and x64. This does not affect the target / binary patching system, eg 32 versus 64. The goal is not clear. It can be chosen for simplicity if you want to support its use for some #ifdef sections of the source code that need to compile differently for X86 and X64, but again this does not affect the architecture of the compiler targets. For all compilers, the target is the architecture, which is defined by a set of tools selected based on the “platform” taken from the project goal. The linker also has a / MACHINE argument, for example / MASCHINE: X86.
Removed on Aug 4, 2018 at 5:53 am
What is the difference between x64 and Win32?
Win32 is the primary API for creating standard desktop settings that has been around since Windows 95 today. Win64 is simply Win32 with different pointer sizes. These days, of course, they are simply referred to as the “Windows API”. In Win64, pointers are sixty-four bits high and wide; and in Win32 it is 24 bits.
Do you recommend the _WIN32 and _WIN64 macros? If your site contains all the parameters correctly (see P.S.), you do not need to change any code. In a 64-bit solution, _WIN32 and _WIN64 must be defined the same. The _WIN32 macro indicates that you can use the Win32 API, and the _WIN64 macro describes this compilation for 64-bit technology. You can also use different mItanium acros (_M_IA64) and x86-64 (_M_AMD64). See MSDN for details.
PS Were the platform settings selected manually? You can specify this via VS:
- Construction menu -> Configuration manager.
- Select New on the active solution platform.
- Login or select a new bucket -> x64 and click OK.
- Now you can simply select x64 on the Platform line.
What is the difference between x64 and Win32?
Win32 is an API for building standard desktop applications that has been around since the days of Windows 95. Win64 is simply Win32 with pointers of the same size. Currently, these two elements are only referred to as “Windows API”. In Win64 timesThe number of these pointers is 64 bits; and in Win32 it is 32 bits.
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How to check if a pointer is 32 or 64 bit?
Longs and Ints are 32 elements, whether you are compiling for 32-bit or 64-bit windows. Perhaps I might have thought that checking the size of an 8 byte pointer could be described as a reliable way to do this. “Compiled as 64-bit” is incorrectly defined in C ++. C ++ sets lower limits for sizes such as int, long, and void *.
Retired July 2, 2013, 6:36 am.
Where is Win32 defined?
WIN32 is only defined in Windows header files, but the user can pass it to some compilers as well (eg “-DWIN32” for gcc).
This assumes that you are not using any third-party tools (such as widget support or hardware device driver) that are configured to use x86 code or that compiled 32-bit when trying It doesn’t increase x64, or vice versa. vice versa -version
answered September 8 at 3:06
Where is Win32 defined?
WIN32 is definitely defined in Windows header entries, but you can pass it to the compiler as well (eg “-DWIN32” for gcc).
What is _M_X64?
_M_X64 Defined as an actual integer value of 100 for assemblies targeting x64 processors. Otherwise undefined.
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