Loop unrolling-related SPEC regressions?

[Richard Henderson]

> browsing the latest results from Andreas, it looks like a few of them (e.g.,
> 164.gzip, 186.crafty, 200.sixtrack) are showing a definite regression in the
> PEAK case, characterized by -funroll-all-loops. May it be related to the
> recent:

Possibly.  If someone debugs this and finds a test case for which loop
unrolling fails where it succeeded before, I'll look at it.  I can't
promise to fix it though, since the fix may break the original test case.


r~