On Wed, Aug 4, 2010 at 2:02 PM, Bingfeng Mei <b...@broadcom.com> wrote: > Hi, > alias_sets_conflict_p are still used in various places to determine > whether two memory accesses are aliased. It is based on unique set > number, which seems not correct with recent changes on alias > oracle. For example, in ddg.c cross-iteration memory dependence > is drawn by calling insn_alias_sets_conflict_p, which in turns calls > alias_sets_conflict_p and gets the wrong answer. Using > rtx_refs_may_alias_p allow the ddg to be built correctly and our > modulo scheduler to succeed. > > Shouldn't alias_sets_conflict_p be replaced with rtx_refs_may_alias_p > everywhere? What's catch?
Extra compile-time and lack of testing I suppose. Richard. > > Cheers, > Bingfeng > >
