Merged r13113 into trunk branch.

ARM: make MacroAssembler::LoadRoot emit exactly one instruction when in predictable code size scope.

BUG=v8:2439

R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/11299303

git-svn-id: http://v8.googlecode.com/svn/trunk@13115 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
5 files changed