summaryrefslogtreecommitdiff
path: root/libc/string/bfin/memchr.S
diff options
context:
space:
mode:
authorMike Frysinger <vapier@gentoo.org>2007-09-15 11:04:21 +0000
committerMike Frysinger <vapier@gentoo.org>2007-09-15 11:04:21 +0000
commit7efe92d0cadd12d3316939474f56a3f6e727a0b0 (patch)
tree1091149e7e94e1de15889d40637d5d3ca1add2f5 /libc/string/bfin/memchr.S
parent953e7478a36597f227aeb487c97c03005a4a5f71 (diff)
pull from Blackfin repo: cleanup string funcs
Diffstat (limited to 'libc/string/bfin/memchr.S')
-rw-r--r--libc/string/bfin/memchr.S24
1 files changed, 12 insertions, 12 deletions
diff --git a/libc/string/bfin/memchr.S b/libc/string/bfin/memchr.S
index 23626d6a4..c264ad3d1 100644
--- a/libc/string/bfin/memchr.S
+++ b/libc/string/bfin/memchr.S
@@ -1,5 +1,5 @@
/* memchr.S
- * Copyright (C) 2003, 2005, 2006 Analog Devices Inc., All Rights Reserved.
+ * Copyright (C) 2003-2007 Analog Devices Inc., All Rights Reserved.
*
* This file is subject to the terms and conditions of the GNU Library General
* Public License. See the file "COPYING.LIB" in the main directory of this
@@ -9,6 +9,8 @@
* http://www.analog.com/processors/resources/crosscore/visualDspDevSoftware.html
*/
+#include <sysdep.h>
+
/* void *memchr(const void *s, int c, size_t n);
* R0 = address (s)
* R1 = sought byte (c)
@@ -21,30 +23,28 @@
.align 2
-.global _memchr
-.type _memchr, STT_FUNC
-_memchr:
+ENTRY(_memchr)
P0 = R0; // P0 = address
P2 = R2; // P2 = count
R1 = R1.B(Z);
CC = R2 == 0;
- IF CC JUMP failed;
+ IF CC JUMP .Lfailed;
-bytes:
- LSETUP (byte_loop_s , byte_loop_e) LC0=P2;
+.Lbytes:
+ LSETUP (.Lbyte_loop_s, .Lbyte_loop_e) LC0=P2;
-byte_loop_s:
+.Lbyte_loop_s:
R3 = B[P0++](Z);
CC = R3 == R1;
- IF CC JUMP found;
-byte_loop_e:
+ IF CC JUMP .Lfound;
+.Lbyte_loop_e:
NOP;
-failed:
+.Lfailed:
R0=0;
RTS;
-found:
+.Lfound:
R0 = P0;
R0 += -1;
RTS;