--- linux-2.4.16-akm/arch/ia64/lib/clear_page.S	Fri Nov  9 14:26:17 2001
+++ linux/arch/ia64/lib/clear_page.S	Wed Apr 10 17:32:26 2002
@@ -23,15 +23,18 @@
 #define dst2		r9
 #define dst3		r10
 #define dst_fetch	r11
+#define dst_last	r14
 
 GLOBAL_ENTRY(clear_page)
 	.prologue
 	.regstk 1,0,0,0
 	mov r16 = PAGE_SIZE/64-1	// -1 = repeat/until
+	mov r17 = PAGE_SIZE
 	;;
 	.save ar.lc, saved_lc
 	mov saved_lc = ar.lc
 	.body
+	add dst_last = r17, dst0
 	mov ar.lc = r16
 	adds dst1 = 16, dst0
 	adds dst2 = 32, dst0
@@ -40,10 +43,12 @@
 	;;
 1:	stf.spill.nta [dst0] = f0, 64
 	stf.spill.nta [dst1] = f0, 64
+	cmp.ltu p6,p0 = dst_fetch, dst_last
 	stf.spill.nta [dst2] = f0, 64
 	stf.spill.nta [dst3] = f0, 64
+	;;
 
-	lfetch [dst_fetch], 64
+(p6)	lfetch [dst_fetch], 64
 	br.cloop.dptk.few 1b
 	;;
 	mov ar.lc = r2		// restore lc