On Mon, Apr 12, 2004 at 10:00:05PM +0200, Jeroen T. Vermeulen wrote:
> On Mon, Apr 12, 2004 at 12:35:15PM -0700, Dann Corbit wrote:
>
> > I do know of important differences in compilers in this regard. You can
> > (for instance) have 80 bit floating point on one compiler using double
> > but it is only 64 bits on another.
>
> But in the case of x86 (among others) that's the in-register
> representation, no? IIRC they are stored to memory as 64-bit doubles at
> best.
You also have "long double"s on some compilers which could be 80 bit.
> In C++, ABI compatibility is normally protected through a side effect of
> name mangling. By maintaining different name mangling schemes for
> different ABI conventions, compiler vendors ensure that object files will
> refuse to link to other object files that adhere to different ABIs.
We gave up trying to make C++ dlls on windows because of ABI/name
mangling problems, never tried it again though.
The compilers from Microsoft and Borland atleast aren't
compatible.
Kurt
