ARM: Add tests for CopyBytes.

TEST=cctest/test-macro-assembler-arm.cc

R=ulan@chromium.org

Review URL: https://chromiumcodereview.appspot.com/23480027

Patch from Bangfu Tao <bangfu.tao@samsung.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16751 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Fix typo in x64 disassembler.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/23902039

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@16752 ce2b1a6d-e550-0410-aec6-3dcde31c8c00