On 09/13/11 10:35, Richard Sandiford wrote: >> Also, it turns out I need to pretend that trap_if requires the prologue >> due to the testcase you also ran across, so a for_each_rtx walk is >> required anyway. > > Why does TRAP_IF inherently need a prologue though? The CFA information > should be correct regardless.
It is until you cross-jump the two trap_ifs. So we have to disable either one of the two optimizations for them. Bernd
