Changeset 818 for soft/giet_vm/giet_kernel/switch.s

Timestamp:

Apr 28, 2016, 1:12:23 PM (10 years ago)

Author:

cfuguet

Message:

Optimization: When doing a context switch between threads of the
same vspace and cluster, do not rewrite the PTPR register.

File:

• soft/giet_vm/giet_kernel/switch.s (modified) (1 diff)

soft/giet_vm/giet_kernel/switch.s

@@ -116 +116 @@
     lw      $26,    35*4($27)
     mtc0    $26,    $8          /* restore BVAR */
-    lw      $26,    39*4($27)
-    mtc2    $26,    $0          /* restore PTPR */
 
     /* returns to caller */