diff options
Diffstat (limited to 'libc/string/bfin/memchr.S')
| -rw-r--r-- | libc/string/bfin/memchr.S | 24 |
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; |