[cfe-dev] MSVC compiler intrinsics, need for direction.

[Francois Pichet]

On Wed, Oct 6, 2010 at 1:05 PM, Bo Persson <bop at gmb.dk> wrote:
> Francois Pichet wrote:
>
>> On Wed, Oct 6, 2010 at 10:59 AM, Douglas Gregor <dgregor at apple.com>
>> wrote:
>>>
>>> On Oct 6, 2010, at 7:58 AM, Francois Pichet wrote:
>>>
>>>> I did some research and it will be easier than I thought.
>>>> With the exception of __noop and __assume (possibly more), MSVC
>>>> intrinsics require a prototype.
>>>> So they will be handled like normal functions by clang.
>>>
>>> Where does this prototype come from?
>>
>> #include <intrin.h>
>
> Just a helpful(?) comment about intrin.h being larger for MSVC10 than
> for MSVC8 or 9, and that not all of the functions are documented by
> MSDN (or the Visual Studio help files).
>
> This effort also obviously duplicates some of the work done by Howard
> Hinnant to define a compiler API for C++0x <atomic>. Do we want
> several intrinsic functions doing the same thing?

There is no duplication, Howard's work is related to C++0X library. My
work is related to using clang in a MSVC context without libc++