- add r22 = IA64_TIME_INTERPOLATOR_LAST_COUNTER_OFFSET,r20
-(p9) ld8 r2 = [r30] // readq(ti->address). Could also have latency issues..
-(p10) ld4 r2 = [r30] // readw(ti->address)
-(p13) add r23 = IA64_TIME_INTERPOLATOR_LAST_CYCLE_OFFSET,r20
- ;; // could be removed by moving the last add upward
- ld8 r26 = [r22] // time_interpolator->last_counter
-(p13) ld8 r25 = [r23] // time interpolator->last_cycle
- add r24 = IA64_TIME_INTERPOLATOR_OFFSET_OFFSET,r20
-(p15) ld8 r17 = [r19],IA64_TIMESPEC_TV_NSEC_OFFSET
- ld8 r9 = [r27],IA64_TIMESPEC_TV_NSEC_OFFSET
- add r14 = IA64_TIME_INTERPOLATOR_MASK_OFFSET, r20
- ;;
- ld8 r18 = [r24] // time_interpolator->offset
- ld8 r8 = [r27],-IA64_TIMESPEC_TV_NSEC_OFFSET // xtime.tv_nsec
-(p13) sub r3 = r25,r2 // Diff needed before comparison (thanks davidm)
- ;;
- ld8 r14 = [r14] // time_interpolator->mask
-(p13) cmp.gt.unc p6,p7 = r3,r0 // check if it is less than last. p6,p7 cleared
- sub r10 = r2,r26 // current_counter - last_counter
- ;;
-(p6) sub r10 = r25,r26 // time we got was less than last_cycle
+(p9) ld8 r2 = [r30] // MMIO_TIMER. Could also have latency issues..
+(p13) ld8 r25 = [r19] // get itc_lastcycle value
+ ld8 r9 = [r22],IA64_TIMESPEC_TV_NSEC_OFFSET // tv_sec
+ ;;
+ ld8 r8 = [r22],-IA64_TIMESPEC_TV_NSEC_OFFSET // tv_nsec
+(p13) sub r3 = r25,r2 // Diff needed before comparison (thanks davidm)
+ ;;
+(p13) cmp.gt.unc p6,p7 = r3,r0 // check if it is less than last. p6,p7 cleared
+ sub r10 = r2,r24 // current_cycle - last_cycle
+ ;;
+(p6) sub r10 = r25,r24 // time we got was less than last_cycle