From: Matt Sealey <matt.sea...@arm.com> LZO leaves some performance on the table by not realising that AArch64 can optimize count-trailing-zeros bit operations.
Add __aarch64__ to the checked definitions alongside __x86_64__ to enable the use of rbit/clz instructions on full 64-bit quantities. Signed-off-by: Matt Sealey <matt.sea...@arm.com> Signed-off-by: Dave Rodgman <dave.rodg...@arm.com> --- lib/lzo/lzodefs.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/lzo/lzodefs.h b/lib/lzo/lzodefs.h index a9927bbce21f..d167f8fc6795 100644 --- a/lib/lzo/lzodefs.h +++ b/lib/lzo/lzodefs.h @@ -28,7 +28,7 @@ #if defined(__BIG_ENDIAN) && defined(__LITTLE_ENDIAN) #error "conflicting endian definitions" -#elif defined(__x86_64__) +#elif defined(__x86_64__) || defined(__aarch64__) #define LZO_USE_CTZ64 1 #define LZO_USE_CTZ32 1 #elif defined(__i386__) || defined(__powerpc__) -- 2.16.4
