Integrated: 8264958: C2 compilation fails with assert "n is later than its clone"
roland at openjdk.java.net
Fri Apr 16 11:37:41 UTC 2021
On Fri, 16 Apr 2021 08:36:31 GMT, Roland Westrelin <roland at openjdk.org> wrote:
> JDK-8229483 added logic to hoist a load that would wrongly end up in
> an outer strip mined loop. That logic checks that it's legal to do so
> is_dominator(n_ctrl, x_head)
> but that test passes for n_ctrl == x_head when it's not legal to hoist
> the load i.e. the test we want is for strict domination. The fix I
> propose is to add an explicit check for that case.
This pull request has now been integrated.
Author: Roland Westrelin <roland at openjdk.org>
Stats: 58 lines in 2 files changed: 57 ins; 0 del; 1 mod
8264958: C2 compilation fails with assert "n is later than its clone"
Reviewed-by: neliasso, thartmann
More information about the hotspot-compiler-dev