hg: graal/graal-compiler: Avoid unnecessary packing/unpacking of Register in RegisterValue.

[doug.simon at oracle.com]

Changeset: 361dac149aa6
Author:    Roland Schatz <roland.schatz at oracle.com>
Date:      2015-12-18 12:20 +0100
URL:       http://hg.openjdk.java.net/graal/graal-compiler/rev/361dac149aa6

Avoid unnecessary packing/unpacking of Register in RegisterValue.

! graal/com.oracle.graal.lir.amd64/src/com/oracle/graal/lir/amd64/AMD64ControlFlow.java
! graal/com.oracle.graal.lir.amd64/src/com/oracle/graal/lir/amd64/AMD64Move.java
! graal/com.oracle.graal.lir.amd64/src/com/oracle/graal/lir/amd64/AMD64RestoreRegistersOp.java
! graal/com.oracle.graal.lir.amd64/src/com/oracle/graal/lir/amd64/AMD64SaveRegistersOp.java
! graal/com.oracle.graal.lir.amd64/src/com/oracle/graal/lir/amd64/AMD64ZapRegistersOp.java