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Compiler Error C2432

  • Article

illegal reference to 16-bit data in 'identifier'

A 16-bit register is used as an index or base register. The compiler does not support referencing 16-bit data. 16-bit registers cannot be used as index or base registers when compiling for 32-bit code.

The following sample generates C2432:

// C2432.cpp
// processor: x86
int main() {
   _asm mov eax, DWORD PTR [bx]   // C2432
}