hg: jdk9/hs-comp/hotspot: 8136820: Generate better code for some Unsafe addressing patterns

[roland.westrelin at oracle.com]

Changeset: df910cc4b9ea
Author:    roland
Date:      2015-09-17 16:53 +0200
URL:       http://hg.openjdk.java.net/jdk9/hs-comp/hotspot/rev/df910cc4b9ea

8136820: Generate better code for some Unsafe addressing patterns
Summary: reshape address computation to move invariant part out of loops
Reviewed-by: kvn

! src/cpu/x86/vm/x86_64.ad
! src/share/vm/opto/loopopts.cpp
! src/share/vm/opto/matcher.cpp
! src/share/vm/opto/superword.cpp