hg: jdk9/hs-comp/hotspot: 3 new changesets

[tobias.hartmann at oracle.com]

Changeset: aec198eb37bc
Author:    thartmann
Date:      2015-05-08 12:19 +0200
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/aec198eb37bc

8078497: C2's superword optimization causes unaligned memory accesses
Summary: Prevent vectorization of memory operations with different invariant offsets if unaligned memory accesses are not allowed.
Reviewed-by: kvn

! src/share/vm/opto/superword.cpp
! src/share/vm/opto/superword.hpp
+ test/compiler/loopopts/superword/TestVectorizationWithInvariant.java

Changeset: 86687b76907d
Author:    thartmann
Date:      2015-05-11 07:44 +0200
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/86687b76907d

8079343: Crash in PhaseIdealLoop with "assert(!had_error) failed: bad dominance"
Summary: C2 should not try to vectorize loops with loop variant vector base address.
Reviewed-by: kvn

! src/share/vm/opto/superword.cpp

Changeset: 6d7618931af2
Author:    thartmann
Date:      2015-05-11 07:58 +0200
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/6d7618931af2

Merge