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Help compiler optimize some crypto code on 64-bit build since x64 capable CPUs always support SSE and SSE2

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This commit is contained in:
Mounir IDRASSI
2019-01-30 00:14:38 +01:00
parent b294cc2e1c
commit f02882ce60
1 changed files with 5 additions and 0 deletions
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5
src/Crypto/cpu.h
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@@ -208,8 +208,13 @@ int CpuId(uint32 input, uint32 *output);
// been enabled by DetectX86Features. // been enabled by DetectX86Features.
void DisableCPUExtendedFeatures (); void DisableCPUExtendedFeatures ();
#ifdef CRYPTOPP_BOOL_X64
#define HasSSE2() 1
#define HasISSE() 1
#else
#define HasSSE2() g_hasSSE2 #define HasSSE2() g_hasSSE2
#define HasISSE() g_hasISSE #define HasISSE() g_hasISSE
#endif
#define HasMMX() g_hasMMX #define HasMMX() g_hasMMX
#define HasSSE42() g_hasSSE42 #define HasSSE42() g_hasSSE42
#define HasSSE41() g_hasSSE41 #define HasSSE41() g_hasSSE41