On Thu, Dec 20, 2007 at 07:57:23AM -0800, Trevor Talbot wrote: > > I'd expect the compiler to optimize away those, but I'll make it a var > > anyawy. > > It can't; it's an opaque callout to kernel32.dll, and there's nothing > that tells the optimizer when you can expect to get the same result. > That said, it's cheaper than it looks, since the error code is stored > at a fixed location in thread-specific VM space. I guess it wasn't > interesting enough to make an MSVC intrinsic instead of keeping it a > system detail.
Interesting. I was certainly it was an intrinsic, but it seems not... Variable, it is.. //Magnus ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster