patch-2.4.20 linux-2.4.20/arch/ia64/lib/copy_page.S
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- Lines: 41
- Date:
Thu Nov 28 15:53:09 2002
- Orig file:
linux-2.4.19/arch/ia64/lib/copy_page.S
- Orig date:
Fri Nov 9 14:26:17 2001
diff -urN linux-2.4.19/arch/ia64/lib/copy_page.S linux-2.4.20/arch/ia64/lib/copy_page.S
@@ -30,6 +30,7 @@
#define tgt2 r23
#define srcf r24
#define tgtf r25
+#define tgt_last r26
#define Nrot ((8*PIPE_DEPTH+7)&~7)
@@ -55,18 +56,21 @@
mov src1=in1
adds src2=8,in1
+ mov tgt_last = PAGE_SIZE
;;
adds tgt2=8,in0
add srcf=512,in1
mov ar.lc=lcount
mov tgt1=in0
add tgtf=512,in0
+ add tgt_last = tgt_last, in0
;;
1:
(p[0]) ld8 t1[0]=[src1],16
(EPI) st8 [tgt1]=t1[PIPE_DEPTH-1],16
(p[0]) ld8 t2[0]=[src2],16
(EPI) st8 [tgt2]=t2[PIPE_DEPTH-1],16
+ cmp.ltu p6,p0 = tgtf, tgt_last
;;
(p[0]) ld8 t3[0]=[src1],16
(EPI) st8 [tgt1]=t3[PIPE_DEPTH-1],16
@@ -83,8 +87,8 @@
(p[0]) ld8 t8[0]=[src2],16
(EPI) st8 [tgt2]=t8[PIPE_DEPTH-1],16
- lfetch [srcf], 64
- lfetch [tgtf], 64
+(p6) lfetch [srcf], 64
+(p6) lfetch [tgtf], 64
br.ctop.sptk.few 1b
;;
mov pr=saved_pr,0xffffffffffff0000 // restore predicates
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