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| author | Tony Lindgren <tony@atomide.com> | 2012-02-17 15:12:36 -0800 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2012-02-17 15:12:36 -0800 |
| commit | 4d68c05ce11f4cdf6a6392f3a18dc6a985b4d0c4 (patch) | |
| tree | 72e500b97c4bdcb9631209f3121f42b05ae30fea /arch/x86/boot/compressed/string.c | |
| parent | 40c0591f0a349ec074357e05c6ab1a3bc951807c (diff) | |
| parent | 19bfb76ca32f8e4fa80746608ff4a77707f40520 (diff) | |
| download | linux-4d68c05ce11f4cdf6a6392f3a18dc6a985b4d0c4.tar.bz2 | |
Merge branch 'for_3.4/dt_base' of git://git.kernel.org/pub/scm/linux/kernel/git/bcousson/linux-omap-dt into dt
Diffstat (limited to 'arch/x86/boot/compressed/string.c')
| -rw-r--r-- | arch/x86/boot/compressed/string.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/boot/compressed/string.c b/arch/x86/boot/compressed/string.c index 19b3e693cd72..ffb9c5c9d748 100644 --- a/arch/x86/boot/compressed/string.c +++ b/arch/x86/boot/compressed/string.c @@ -1,2 +1,11 @@ #include "misc.h" + +int memcmp(const void *s1, const void *s2, size_t len) +{ + u8 diff; + asm("repe; cmpsb; setnz %0" + : "=qm" (diff), "+D" (s1), "+S" (s2), "+c" (len)); + return diff; +} + #include "../string.c" |