RFC: More ia64 intrinsics

[Mark Mitchell]

On Thu, 2003-06-19 at 19:19, H. J. Lu wrote:
> Intel C++ compiler defines quite a few intrinsics for ia64:
> 
> http://www.tacc.utexas.edu/resources/user_guides/intel/c_ug/
> 
> There are 4 categories of intrinsics:
> 
> 1. Native intrinsics.
> 2. Lock and atomic operation related intrinsics
> 3. Operating system related intrinsics.
> 4. MMX/SSE intrinsics.
> 
> I don't know how useful MMX/SSE intrinsics for ia64 are. But #1, #2
> and #3 are useful in user space and kernel. I'd like to submit a
> patch to provide the same functionality. However, I am not sure if
> gcc should use the same intrinsic names like
> 
> long _InterlockedIncrement(long *addend)
> 
> Increment the addend by one atomically. Maps to the fetchadd4
> instruction.

I think we should just use the Intel names.  There's no need to be
gratuitously incompatible.

-- 
Mark Mitchell <mark@codesourcery.com>
CodeSourcery, LLC