-/*
- * For SMP, we don't do lazy SPE switching because it just gets too
- * horrendously complex, especially when a task switches from one CPU
- * to another. Instead we call giveup_spe in switch_to.
- */
-#ifndef CONFIG_SMP
- lis r3,last_task_used_spe@ha
- lwz r4,last_task_used_spe@l(r3)
- cmpi 0,r4,0
- beq 1f
- addi r4,r4,THREAD /* want THREAD of last_task_used_spe */
- SAVE_32EVRS(0,r10,r4,THREAD_EVR0)
- evxor evr10, evr10, evr10 /* clear out evr10 */
- evmwumiaa evr10, evr10, evr10 /* evr10 <- ACC = 0 * 0 + ACC */
- li r5,THREAD_ACC
- evstddx evr10, r4, r5 /* save off accumulator */
- lwz r5,PT_REGS(r4)
- lwz r4,_MSR-STACK_FRAME_OVERHEAD(r5)
- lis r10,MSR_SPE@h
- andc r4,r4,r10 /* disable SPE for previous task */
- stw r4,_MSR-STACK_FRAME_OVERHEAD(r5)
-1:
-#endif /* !CONFIG_SMP */