2011-07-28 H.J. Lu <hongjiu.lu@intel.com> * config/i386/morestack.S (X86_64_SAVE_NEW_STACK_BOUNDARY): New. Use X86_64_SAVE_NEW_STACK_BOUNDARY to save the new stack boundary for x86-64. Properly check __x86_64__ and __LP64__. From-SVN: r176912