On Wed, May 20, 2009 at 07:19:18AM -0700, Ian Lance Taylor wrote: > The short answer is no, there are no such compiler options. From the > compiler's perspective, ptr->arg1 is evaluated before the function call, > so even the fact that the arguments are only used in an unlikely branch > isn't going to help. What you want is for the compiler to sink the load > into the only place where the result of the load is used. That seems > like a reasonable optimization, at least when the result is only used in > an unlikely branch. I recommend that you open a enhancement request at > http://gcc.gnu.org/bugzilla with a complete standalone test case. > > Ian hi, I've filed bug #40207 asking for this enhancement. thanks, -Jason
