On 03/03/2015 07:47 AM, Dr. David Alan Gilbert wrote: > That works for ARM where you have to terminate a ldrex with a strex or clrex, > but not all architectures have the equivalent of a clrex; most as I remember > just let you do an ldrex equivalent, decide you don't want to do the strex > equivalent > and get on with life.
I'm pretty sure that's not the case. In fact, I can guarantee you that GCC never issues clrex, but does in fact simply do nothing like you describe for other architectures if we decide not to do the store. r~
