hg: panama/dev: Update AbsV match rule for AArch64 NEON

[yang.zhang at arm.com]

Changeset: 815e3347fc91
Author:    yzhang
Date:      2019-08-21 12:31 +0800
URL:       https://hg.openjdk.java.net/panama/dev/rev/815e3347fc91

Update AbsV match rule for AArch64 NEON
Summary: AbsV node are seperated to AbsVB/AbsVS/AbsVI/AbsVL. Instruction
encodings are also updated.

! src/hotspot/cpu/aarch64/aarch64.ad
! src/hotspot/cpu/aarch64/assembler_aarch64.hpp