KSE/ia64: a quick update

[Marcel Moolenaar]

On Wed, Aug 06, 2003 at 11:55:30AM -0700, Marcel Moolenaar wrote:
> About the high FP:
> 
> On ia64 the FP registers are split in two (2) sets: low and high.
> Both sets can be enabled and disabled independently from each other
> and each set has a modified bit to keep track of usage. The low
> FP registers are f0-f31 and are always enabled. The high FP registers
> are f32-f127 and are disabled by default. We use lazy context
> switching to save and restore these on a need to have basis. When
                                ^^^^^
These applies to the high FP registers only. We put the low FP
registers in the trapframe or PCB. Only the high FP registers are
lazily switched.

-- 
 Marcel Moolenaar	  USPA: A-39004		 marcel at xcllnt.net