diff options
Diffstat (limited to 'sysdeps/ia64/memchr.S')
| -rw-r--r-- | sysdeps/ia64/memchr.S | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/sysdeps/ia64/memchr.S b/sysdeps/ia64/memchr.S index 40f2bd09b5..e02945aa2e 100644 --- a/sysdeps/ia64/memchr.S +++ b/sysdeps/ia64/memchr.S @@ -33,8 +33,8 @@ possible; the remaining few bytes are searched one at a time. The word by word search is performed by xor-ing the word with a word - containing chr in every byte. If there is a hit, the result will - contain a zero byte in the corresponding position. The presence and + containing chr in every byte. If there is a hit, the result will + contain a zero byte in the corresponding position. The presence and position of that zero byte is detected with a czx instruction. All the loops in this function could have had the internal branch removed @@ -63,7 +63,7 @@ ENTRY(__memchr) .rotp p[MEMLAT+3] mov saved_lc = ar.lc // save the loop counter mov saved_pr = pr // save the predicates - mov ret0 = str + mov ret0 = str 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 @@ -91,7 +91,7 @@ ENTRY(__memchr) mux1 chrx8 = chr, @brcst ;; // get a word full of chr mov ar.lc = loopcnt mov pr.rot = 1 << 16 ;; -.l2: +.l2: (p[0]) mov addr[0] = ret0 (p[0]) ld8 value[0] = [ret0], 8 (p[MEMLAT]) xor aux[0] = value[MEMLAT], chrx8 @@ -100,7 +100,7 @@ ENTRY(__memchr) (p7) br.cond.dpnt .foundit br.ctop.dptk .l2 .srchfew: - adds loopcnt = -1, len + adds loopcnt = -1, len cmp.eq p6, p0 = len, r0 (p6) br.cond.spnt .notfound ;; mov ar.lc = loopcnt @@ -109,7 +109,7 @@ ENTRY(__memchr) ;; cmp.eq p6, p0 = val, chr (p6) br.cond.dpnt .foundit - br.cloop.sptk .l3 ;; + br.cloop.sptk .l3 ;; .notfound: cmp.ne p6, p0 = r0, r0 // clear p6 (p7 was already 0 when we got here) mov ret0 = r0 ;; // return NULL @@ -124,3 +124,6 @@ ENTRY(__memchr) END(__memchr) weak_alias (__memchr, memchr) +#if !__BOUNDED_POINTERS__ +weak_alias (__memchr, __ubp_memchr) +#endif |