"Steven Bosscher" <[EMAIL PROTECTED]> writes: > On 28 Feb 2008 12:41:30 -0800, Ian Lance Taylor <[EMAIL PROTECTED]> wrote: > > libcalls are still used for no-conflict blocks. This may be what you > > mean by the scheduling thing. No-conflict blocks are emitted by > > emit_no_conflict_block and checked in local-alloc. > > I thought the no-conflict blocks were not as important anymore since > your subreg lowering work, and maybe even since we started doing > "real" liveness analysis (i.e. flow.c in ~1997 ;-)) > What do you think, is this a blocker issue?
I think it's probably a blocker issue on 32-bit x86 until we complete the lower subreg work to track subreg lifetimes to detect no-conflict sections manually. I have an implementation of that written before DF, and I haven't found the time to upgrade it to the DF framework. Ian
