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Update intrinsic support and cpu detection.

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This commit is contained in:
Mounir IDRASSI
2016-06-17 14:16:57 +02:00
parent 842dce0e1b
commit 6ae982cccf
3 changed files with 87 additions and 19 deletions
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4
src/Crypto/misc.h
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@@ -87,10 +87,12 @@
#define bswap_32 OSSwapInt32
#define bswap_64 OSSwapInt64
#else
#ifdef CRYPTOPP_FAST_ROTATE(32)
#if CRYPTOPP_FAST_ROTATE(32)
#define bswap_32(x) (rotr32((x), 8U) & 0xff00ff00) | (rotl32((x), 8U) & 0x00ff00ff)
#else
#define CRYPTOPP_BYTESWAP_AVAILABLE
#define bswap_32(x) (rotl32((((x) & 0xFF00FF00) >> 8) | (((x) & 0x00FF00FF) << 8), 16U))
#define bswap_64(x) rotl64(((((((x & LL(0xFF00FF00FF00FF00)) >> 8) | ((x & LL(0x00FF00FF00FF00FF)) << 8)) & LL(0xFFFF0000FFFF0000)) >> 16) | (((((x & LL(0xFF00FF00FF00FF00)) >> 8) | ((x & LL(0x00FF00FF00FF00FF)) << 8)) & LL(0x0000FFFF0000FFFF)) << 16)), 32U)
#endif
#ifndef TC_NO_COMPILER_INT64
#define bswap_64(x) rotl64(((((((x & LL(0xFF00FF00FF00FF00)) >> 8) | ((x & LL(0x00FF00FF00FF00FF)) << 8)) & LL(0xFFFF0000FFFF0000)) >> 16) | (((((x & LL(0xFF00FF00FF00FF00)) >> 8) | ((x & LL(0x00FF00FF00FF00FF)) << 8)) & LL(0x0000FFFF0000FFFF)) << 16)), 32U)