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-rw-r--r--sysdeps/ia64/memchr.S8
1 files changed, 6 insertions, 2 deletions
diff --git a/sysdeps/ia64/memchr.S b/sysdeps/ia64/memchr.S
index cdd71ca5a5..56d8056839 100644
--- a/sysdeps/ia64/memchr.S
+++ b/sysdeps/ia64/memchr.S
@@ -47,7 +47,7 @@
#define saved_lc r16
#define chr r17
#define len r18
-#define pos0 r20
+#define last r20
#define val r21
#define tmp r24
#define chrx8 r25
@@ -67,6 +67,7 @@ ENTRY(__memchr)
mov saved_pr = pr // save the predicates
.body
mov ret0 = str
+ add last = str, in2 // last byte
and tmp = 7, str // tmp = str % 8
cmp.ne p7, p0 = r0, r0 // clear p7
extr.u chr = in1, 0, 8 // chr = (unsigned char) in1
@@ -143,7 +144,10 @@ ENTRY(__memchr)
ld8 tmp = [ret0];; // load the first unchecked 8byte
xor aux[1] = tmp, chrx8;;
czx1.r poschr[1] = aux[1];;
- cmp.ne p7, p0 = 8, poschr[1]
+ cmp.ne p7, p0 = 8, poschr[1];;
+(p7) add ret0 = addr[MEMLAT+2], poschr[1];;
+(p7) cmp.geu p6, p7 = ret0, last // don't go over the last byte
+(p6) br.cond.spnt .notfound;;
(p7) br.cond.spnt .foundit;;
adds ret0 = 8, ret0 // load the next unchecked 8byte
br.sptk .l4;;