diff options
Diffstat (limited to 'src/Crypto/cpu.c')
| -rw-r--r-- | src/Crypto/cpu.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/src/Crypto/cpu.c b/src/Crypto/cpu.c index 30263361..e611e9bb 100644 --- a/src/Crypto/cpu.c +++ b/src/Crypto/cpu.c @@ -139,13 +139,8 @@ static int TrySSE2() #if CRYPTOPP_BOOL_X64 return 1; #elif defined(CRYPTOPP_MS_STYLE_INLINE_ASSEMBLY) && !defined(_UEFI) volatile int result = 1; -#if defined (TC_WINDOWS_DRIVER) && !defined (_WIN64) - KFLOATING_SAVE floatingPointState; - if (NT_SUCCESS (KeSaveFloatingPointState (&floatingPointState))) - { -#endif __try { #if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE AS2(por xmm0, xmm0) // executing SSE2 instruction @@ -157,14 +152,8 @@ static int TrySSE2() __except (EXCEPTION_EXECUTE_HANDLER) { result = 0; } -#if defined (TC_WINDOWS_DRIVER) && !defined (_WIN64) - KeRestoreFloatingPointState (&floatingPointState); - } - else - return 0; -#endif return result; #elif !defined(_UEFI) // longjmp and clobber warnings. Volatile is required. // http://github.com/weidai11/cryptopp/issues/24 @@ -292,19 +281,9 @@ static int Detect_MS_HyperV_AES () memcpy (HvProductName, &cpuid[1], 12); HvProductName[12] = 0; if (_stricmp(HvProductName, "Microsoft Hv") == 0) { -#if defined (TC_WINDOWS_DRIVER) && !defined (_WIN64) - KFLOATING_SAVE floatingPointState; - if (NT_SUCCESS (KeSaveFloatingPointState (&floatingPointState))) - { -#endif hasAesNI = TryAESNI (); - -#if defined (TC_WINDOWS_DRIVER) && !defined (_WIN64) - KeRestoreFloatingPointState (&floatingPointState); - } -#endif } return hasAesNI; } |