Richard Earnshaw wrote: > Let me give an example, we use the generic code expansion if we > encounter the builtin when generating code for Thumb on pre-ARMv7 > devices. We don't have instructions in 'thumb1' to guard against > speculation and we really want to warn users that they've done this (it > might be a mistake in how they're invoking the compiler).
Instead of this warning in one of the unsupported cases, could you use the DSB SYS + ISB barrier as the white paper suggests? Bernd.
