On Fri, 13 Apr 2012, Andrey Belevantsev wrote: > But of course I wrongly microoptimized the decision of whether an insn is > "empty" as shown in PR 52715, so the right fix is to check the emptiness right > before issuing the insn. Thus, the following patch is really needed (tested > on ia64 and x86 again), OK? The new hunk is the last one in the patch. > > Andrey > > 2012-04-13 Andrey Belevantsev <a...@ispras.ru> > > PR rtl-optimization/52203 > PR rtl-optimization/52715 > > Revert the 2012-03-07 fix for PR 52203. > * sel-sched.c (reset_sched_cycles_in_current_ebb): Check that > the insn does not modify DFA right before issuing, adjust > issue_rate accordingly.
OK. Thanks. Alexander