On Mon, Dec 21, 2009 at 11:30:43AM -0800, Richard Henderson wrote: > On 12/17/2009 10:17 AM, Russell King - ARM Linux wrote: >> How is "size-optimal trap" defined? > > E.g. Sparc and MIPS have "tcc" instructions that trap based on the > condition codes, and so we eliminate the branch. That's the only > optimization we apply with __builtin_trap. > >> Let me put it another way: I want this function to terminate with an >> explicit NULL pointer dereference in every case. > > Then just use that.
That's precisely what we have been using for many years.
