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authorzhichang.yuan <zhichang.yuan@linaro.org>2014-04-28 06:11:32 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2014-05-23 15:07:57 +0100
commitd875c9b3724083cd2629cd8507e424cd3716cd28 (patch)
tree284326e94a19aee3ca39ac90c04fc297221d877a /arch/arm64/include
parentb29a51fe0e0be63157d8661666be8bbfd8f0c5d7 (diff)
arm64: lib: Implement optimized memcmp routine
This patch, based on Linaro's Cortex Strings library, adds an assembly optimized memcmp() function. Signed-off-by: Zhichang Yuan <zhichang.yuan@linaro.org> Signed-off-by: Deepak Saxena <dsaxena@linaro.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include')
-rw-r--r--arch/arm64/include/asm/string.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/string.h b/arch/arm64/include/asm/string.h
index 3ee8b303d9a..3a43305cda7 100644
--- a/arch/arm64/include/asm/string.h
+++ b/arch/arm64/include/asm/string.h
@@ -34,4 +34,7 @@ extern void *memchr(const void *, int, __kernel_size_t);
#define __HAVE_ARCH_MEMSET
extern void *memset(void *, int, __kernel_size_t);
+#define __HAVE_ARCH_MEMCMP
+extern int memcmp(const void *, const void *, size_t);
+
#endif