On 26 November 2013 15:55, Paul Koning <paulkon...@comcast.net> wrote:
> Is there a requirement that all targets must have branch cost that it, at > least some of the time, 4 or greater? Not by design, although there seem to be a number of issues with supporting targets with a lower branch cost. E.g. consider LOGICAL_OP_NON_SHORT_CIRCUIT - the default of which also seems to assume superscalarity and a cheap flag-set operation - and its impact on/treatment by the test suite. > If so, why? If not, then I suppose cfgexpand.c could be changed to defeat > this message I agree. , but how, or why? Changing this target macro into a target hook should do the trick.
