diff options
Diffstat (limited to 'libc/string/ia64/memchr.S')
| -rw-r--r-- | libc/string/ia64/memchr.S | 47 |
1 files changed, 22 insertions, 25 deletions
diff --git a/libc/string/ia64/memchr.S b/libc/string/ia64/memchr.S index 2bf078fe6..fcd9f9305 100644 --- a/libc/string/ia64/memchr.S +++ b/libc/string/ia64/memchr.S @@ -14,9 +14,8 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ /* Return: the address of the first occurence of chr in str or NULL @@ -40,7 +39,7 @@ All the loops in this function could have had the internal branch removed if br.ctop and br.cloop could be predicated :-(. */ -#include "sysdep.h" +#include <sysdep.h> #undef ret #define saved_pr r15 @@ -62,18 +61,18 @@ ENTRY(__memchr) .rotr value[MEMLAT+1], addr[MEMLAT+3], aux[2], poschr[2] .rotp p[MEMLAT+3] .save ar.lc, saved_lc - mov saved_lc = ar.lc // save the loop counter + mov saved_lc = ar.lc /* save the loop counter */ .save pr, saved_pr - mov saved_pr = pr // save the predicates + mov saved_pr = pr /* save the predicates */ .body 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 + 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 */ mov len = in2 - cmp.gtu p6, p0 = 16, in2 // use a simple loop for short -(p6) br.cond.spnt .srchfew ;; // searches - sub loopcnt = 8, tmp // loopcnt = 8 - tmp + cmp.gtu p6, p0 = 16, in2 /* use a simple loop for short */ +(p6) br.cond.spnt .srchfew ;; /* searches */ + sub loopcnt = 8, tmp /* loopcnt = 8 - tmp */ cmp.eq p6, p0 = tmp, r0 (p6) br.cond.sptk .str_aligned;; sub len = len, loopcnt @@ -86,12 +85,12 @@ ENTRY(__memchr) (p6) br.cond.spnt .foundit br.cloop.sptk .l1 ;; .str_aligned: - cmp.ne p6, p0 = r0, r0 // clear p6 - shr.u loopcnt = len, 3 // loopcnt = len / 8 - and len = 7, len ;; // remaining len = len & 7 + cmp.ne p6, p0 = r0, r0 /* clear p6 */ + shr.u loopcnt = len, 3 /* loopcnt = len / 8 */ + and len = 7, len ;; /* remaining len = len & 7 */ adds loopcnt = -1, loopcnt mov ar.ec = MEMLAT + 3 - mux1 chrx8 = chr, @brcst ;; // get a word full of chr + mux1 chrx8 = chr, @brcst ;; /* get a word full of chr */ mov ar.lc = loopcnt mov pr.rot = 1 << 16 ;; .l2: @@ -114,20 +113,18 @@ ENTRY(__memchr) (p6) br.cond.dpnt .foundit 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 + cmp.ne p6, p0 = r0, r0 /* clear p6 (p7 was already 0 when we got here) */ + mov ret0 = r0 ;; /* return NULL */ .foundit: .pred.rel "mutex" p6, p7 -(p6) adds ret0 = -1, ret0 // if we got here from l1 or l3 -(p7) add ret0 = addr[MEMLAT+2], poschr[1] // if we got here from l2 +(p6) adds ret0 = -1, ret0 /* if we got here from l1 or l3 */ +(p7) add ret0 = addr[MEMLAT+2], poschr[1] /* if we got here from l2 */ mov pr = saved_pr, -1 mov ar.lc = saved_lc br.ret.sptk.many b0 END(__memchr) -weak_alias (__memchr, memchr) -#if !__BOUNDED_POINTERS__ -weak_alias (__memchr, __ubp_memchr) -#endif -libc_hidden_def (memchr) +weak_alias(__memchr, memchr) +weak_alias(__memchr, __ubp_memchr) +libc_hidden_def(memchr) |