UTHREAD_FPSAVED flag
authorBarret Rhoden <brho@cs.berkeley.edu>
Tue, 13 Dec 2011 23:10:42 +0000 (15:10 -0800)
committerBarret Rhoden <brho@cs.berkeley.edu>
Thu, 15 Dec 2011 22:48:42 +0000 (14:48 -0800)
commit5a2bbd7fbadb493475d6740a94eb14230804469e
tree5ec395aad845738abb170d3eaa184a7975d11e90
parent29b734b9a5106b8885a7add29e3bf6b9688c532f
UTHREAD_FPSAVED flag

Tracks whether or not the uthread's FP state is saved in it's uthread
struct, much like UTHREAD_SAVED.  It's a bit different, since we load
the FP state at different places.

In the future, we can (or you can!) set up some optimizations to only
save the FP state if it was used/needs to be saved.
user/parlib/include/uthread.h
user/parlib/mcs.c
user/parlib/uthread.c