mozilla/rust — pull request #5418 by luqmana (2013-03-17 08:57:58+00:00)
Title: rt: don't save and restore xmm/regs in __morestack.

Like I commented in #2043, I can't reproduce the weirdness from #1388 on either mac or linux (x86/x84_64) and pushing to try gives all green.

That's 128 less bytes to have to keep in the stack for every call to __morestack.