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| author | John W. Linville <linville@tuxdriver.com> | 2010-07-27 19:59:19 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-07-27 19:59:19 +0400 |
| commit | 800f65bba8d2030b3fef62850e203f9f176625a8 (patch) | |
| tree | 6507c4fe7a0826c253b4afb29375ab306a0fd9c8 /arch/blackfin/lib/strcmp.S | |
| parent | 06b3cda0c12986f5bba578b918b188d731c4e191 (diff) | |
| parent | b3190df628617c7a4f188a9465aeabe1f5761933 (diff) | |
| download | linux-800f65bba8d2030b3fef62850e203f9f176625a8.tar.xz | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/holtmann/bluetooth-next-2.6
Conflicts:
drivers/net/wireless/iwlwifi/iwl-commands.h
Diffstat (limited to 'arch/blackfin/lib/strcmp.S')
| -rw-r--r-- | arch/blackfin/lib/strcmp.S | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/blackfin/lib/strcmp.S b/arch/blackfin/lib/strcmp.S new file mode 100644 index 000000000000..d7c1d158973b --- /dev/null +++ b/arch/blackfin/lib/strcmp.S @@ -0,0 +1,43 @@ +/* + * Copyright 2005-2010 Analog Devices Inc. + * + * Licensed under the ADI BSD license or the GPL-2 (or later) + */ + +#include <linux/linkage.h> + +/* void *strcmp(char *s1, const char *s2); + * R0 = address (s1) + * R1 = address (s2) + * + * Returns an integer less than, equal to, or greater than zero if s1 + * (or the first n bytes thereof) is found, respectively, to be less + * than, to match, or be greater than s2. + */ + +#ifdef CONFIG_STRCMP_L1 +.section .l1.text +#else +.text +#endif + +.align 2 + +ENTRY(_strcmp) + P0 = R0 ; /* s1 */ + P1 = R1 ; /* s2 */ + +1: + R0 = B[P0++] (Z); /* get *s1 */ + R1 = B[P1++] (Z); /* get *s2 */ + CC = R0 == R1; /* compare a byte */ + if ! cc jump 2f; /* not equal, break out */ + CC = R0; /* at end of s1? */ + if cc jump 1b (bp); /* no, keep going */ + jump.s 3f; /* strings are equal */ +2: + R0 = R0 - R1; /* *s1 - *s2 */ +3: + RTS; + +ENDPROC(_strcmp) |