ia64/kernel/fsys.S

102 	tnat.z p6,p7=r32		// check argument register for being NaT
122 (p7)	st8 [r18]=r17
244 (p13)	cmp.gt.unc p6,p7 = r3,r0 // check if it is less than last. p6,p7 cleared
248 (p7)	mov ar.ccv = r25	// more than last_cycle. Prep for cmpxchg
250 (p7)	cmpxchg8.rel r3 = [r19],r2,ar.ccv
252 (p7)	cmp.ne p7,p0 = r25,r3	// if cmpxchg not successful
254 (p7)	sub r10 = r3,r24	// then use new last_cycle instead
272 	cmp4.ne p7,p0 = r28,r10
273 (p7)	br.cond.dpnt.few .time_redo	// sequence number changed, redo
345 	tnat.nz p7,p0 = r33			// I guard against NaT argument
346 (p7)    br.cond.spnt.few .fail_einval		// B
349 	cmp.ne p7,p0=r33,r0
355 EX(.fail_efault, (p7) probe.w.fault r33, 3)		// M This takes 5 cycles
366 EX(.fail_efault, (p7) st2 [r33] = r20)
371 EX(.fail_efault, (p7) probe.w.fault r33, 3)		// M This takes 5 cycles
378 EX(.fail_efault, (p7) st2 [r33] = r0)