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Fix 32-bit Altive rotate left and right

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Jeffrey Walton 2020-04-09 06:25:37 -04:00
parent 318cc3ac4b
commit deec6d0d1d
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GPG Key ID: B36AB348921B1838
1 changed files with 10 additions and 0 deletions
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10
ppc_simd.h
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@ -2091,8 +2091,13 @@ inline uint32x4_p VecRotateLeft64(const uint32x4_p val)
template<>
inline uint32x4_p VecRotateLeft64<8>(const uint32x4_p val)
{
#if (CRYPTOPP_BIG_ENDIAN)
const uint8x16_p m = { 1,2,3,4, 5,6,7,0, 9,10,11,12, 13,14,15,8 };
return VecPermute(val, m);
#else
const uint8x16_p m = { 7,0,1,2, 3,4,5,6, 15,8,9,10, 11,12,13,14 };
return VecPermute(val, m);
#endif
}
// 64-bit elements available at POWER7 with VSX, but vec_rl and vec_sl require POWER8
@ -2175,8 +2180,13 @@ inline uint32x4_p VecRotateRight64(const uint32x4_p val)
template<>
inline uint32x4_p VecRotateRight64<8>(const uint32x4_p val)
{
#if (CRYPTOPP_BIG_ENDIAN)
const uint8x16_p m = { 7,0,1,2, 3,4,5,6, 15,8,9,10, 11,12,13,14 };
return VecPermute(val, m);
#else
const uint8x16_p m = { 1,2,3,4, 5,6,7,0, 9,10,11,12, 13,14,15,8 };
return VecPermute(val, m);
#endif
}
#if defined(__VSX__) || defined(_ARCH_PWR8) || defined(CRYPTOPP_DOXYGEN_PROCESSING)