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What is the difference between 16 bit compilers and 32 bit compilers in C?
Wiki User
∙ 13y ago
16 bit compilers compile the program into 16-bit machine code that will run on a computer with a 16-bit processor. 16-bit machine code will run on a 32-bit processor, but 32-bit machine code will not run on a 16-bit processor. 32-bit machine code is usually faster than 16-bit machine code.
-DJ Craig
NoteWith 16 bit compiler the type-sizes (in bits) are the following:short, int: 16
long: 32
long long: (no such type)
pointer: 16/32 (but even 32 means only 1MB address-space on 8086)
With 32 bit compiler the object-sizes (in bits) are the following:
short: 16
int, long: 32
long long: 64
pointer: 32
With 64 bit compiler the object-sizes (in bits) are the following:
short: 16
int: 32
long: 32 or 64 (!)
long long: 64
pointer: 64
[While the above values are generally correct, they may vary for specific Operating Systems. Please check your compiler's documentation for the default sizes of standard types]
Note: C language itself doesn't say anything about "16 bit compilers" and "32 bit compilers"
Wiki User
∙ 13y ago
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