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Fix "SSE4.2 instruction set not enabled" 

Also see https://gcc.gnu.org/ml/gcc-help/2017-08/msg00015.html
pull/461/head
Jeffrey Walton 2017-08-11 05:28:36 -04:00
parent ce96a7974d
commit 0c194bbc46
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1 changed files with 5 additions and 7 deletions
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12
rijndael-simd.cpp
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@ -31,13 +31,11 @@
#endif
#if (CRYPTOPP_SSE41_AVAILABLE)
// Hack... GCC 4.8, LLVM Clang 3.5 and Apple Clang 6.0 conflates SSE4.1
// and SSE4.2. Without __SSE4_2__, early compilers fail with "SSE4.2
// instruction set not enabled" when "nmmintrin.h" is included.
# if defined(__clang__) || defined(__GNUC__)
# define __SSE4_2__ 1
# endif
# include "nmmintrin.h"
// Hack... We are supposed to use <nmmintrin.h>. GCC 4.8, LLVM Clang 3.5
// and Apple Clang 6.0 conflates SSE4.1 and SSE4.2. If we use <nmmintrin.h>
// then compile fails with "SSE4.2 instruction set not enabled". Also see
// https://gcc.gnu.org/ml/gcc-help/2017-08/msg00015.html.
# include "smmintrin.h"
#endif // CRYPTOPP_SSE41_AVAILABLE
#if (CRYPTOPP_AESNI_AVAILABLE)