On 13/08/2012, at 10:32 PM, Bernd Schmidt wrote: > This is a small patch for sched-rgn that attempts to save DFA state at > the end of a basic block and re-use it in successor blocks. This was a > customer-requested optimization; I've not seen it make much of a > difference in any macro benchmarks. > > Bootstrapped and tested on x86_64-linux and also tested on c6x-elf. OK?
This patch looks OK to me. This is a simple optimization that brings one of the benefits of sched-ebb to sched-rgn. Vladimir, you are probably the best person to formally approve this patch. Does it look OK to you? Thank you, -- Maxim Kuvyrkov CodeSourcery / Mentor Graphics