Hi, On Thu, 29 Mar 2012, Andrew Haley wrote:
> On 03/29/2012 02:59 PM, Michael Matz wrote: > > Actually, with -fnon-call-exceptions volatile asms are already supposed to > > be throwing. It's just that this got lost with tree-ssa. With the patch > > and -fnon-call-exceptions a simple "__asm__ volatile (...)" is regarded as > > possibly throwing. > > > > Without -fnon-call-exceptions some parser changes would be required. How > > about "asm throw (...)" ? > > Is there any point? I would have thought that -fnon-call-exceptions was > exactly what you need. non-call-exceptions is a relatively big hammer. It marks _all_ non-trivial instructions as throwing. Providing an explicit marker would allow for more granularity. Granted, the request didn't come often over the last years, but it seems like a relatively self-contained and useful addition to inline asms. Ciao, Michael.
