patch by njk, simplifies thread register initialization for x86_64
authorRich Felker <dalias@aerifal.cx>
Wed, 16 Feb 2011 14:50:57 +0000 (09:50 -0500)
committerRich Felker <dalias@aerifal.cx>
Wed, 16 Feb 2011 14:50:57 +0000 (09:50 -0500)
commite3657ba5992468f0340efdb741ec32ac0e0acb5c
tree1cbf6679a99c1dc52a9d766d2d2d96fa2e3dad30
parent22cd9cae819a0fd432da4b1d21502a242871e5d9
patch by njk, simplifies thread register initialization for x86_64

It's not necessary to save any registers on the stack across syscall in
x86_64 __set_thread_area.  Don't waste cycles or bytes on it.
src/thread/x86_64/__set_thread_area.s