AArch64 improvements and fixes
tree9bd76146a21020817649ea39e2057d1b1faafc03
drwxr-xr-x - fc11-4_4-branch
drwxr-xr-x - fc5-4_1-branch
drwxr-xr-x - fc6-4_1-branch
drwxr-xr-x - gcc-3_2-branch
drwxr-xr-x - gcc-3_3-branch
drwxr-xr-x - gcc-3_4-branch
drwxr-xr-x - gcc-4_0-branch
drwxr-xr-x - gcc-4_1-branch-java-merge-20060823
drwxr-xr-x - gcc-4_1-branch-java-merge-20070117
drwxr-xr-x - gcc-4_1-branch
drwxr-xr-x - gcc-4_1-jdwp-merge-branch
drwxr-xr-x - gcc-4_3-branch
drwxr-xr-x - gcc-4_4-branch
drwxr-xr-x - gcc-4_5-branch
drwxr-xr-x - gcc-4_6-branch
drwxr-xr-x - gcc-4_7-branch
drwxr-xr-x - gcc-4_8-branch
drwxr-xr-x - gcc-4_9-branch
drwxr-xr-x - vta-4_4-branch