kc3-lang/libressl/patches/modes_lcl.h

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• Hash : a9332cce
  Author :
  Date : 2016-07-17T18:12:23
  

  avoid BSWAP assembly for ARM <= v6
  

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• patches/modes_lcl.h

• --- openbsd/src/lib/libssl/src/crypto/modes/modes_lcl.h	Sat Dec  6 17:15:50 2014
  +++ crypto/modes/modes_lcl.h	Sun Jul 17 17:45:27 2016
  @@ -43,14 +43,16 @@
   			asm ("bswapl %0"		\
   			: "+r"(ret));	ret;		})
   # elif (defined(__arm__) || defined(__arm)) && !defined(__STRICT_ALIGNMENT)
  -#  define BSWAP8(x) ({	u32 lo=(u64)(x)>>32,hi=(x);	\
  +#  if (__ARM_ARCH >= 6)
  +#   define BSWAP8(x) ({	u32 lo=(u64)(x)>>32,hi=(x);	\
   			asm ("rev %0,%0; rev %1,%1"	\
   			: "+r"(hi),"+r"(lo));		\
   			(u64)hi<<32|lo;			})
  -#  define BSWAP4(x) ({	u32 ret;			\
  +#   define BSWAP4(x) ({	u32 ret;			\
   			asm ("rev %0,%1"		\
   			: "=r"(ret) : "r"((u32)(x)));	\
   			ret;				})
  +#  endif
   # endif
   #endif
   #endif
  

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