[llvm-dev] [inline-asm][asm-goto] Supporting "asm goto" in inline assembly

[Peter Zijlstra via llvm-dev]

On Mon, Feb 12, 2018 at 04:19:30PM +0000, David Woodhouse wrote:
> FYI there is now serious talk of the Linux kernel dropping support for
> compilers that *don't* support asm goto.

> > I completely agree that for this example we rather want a proper
> > intrinsic. As a matter of fact we have similar mechanism in CodeGen
> > already to support the XRay feature.

Also, we're very much _NOT_ going to support anything 'similar' but
completely dfferent. It's asm-goto or nothing.