fixed Whirlpool crash on Pentium 2 machines

git-svn-id: svn://svn.code.sf.net/p/cryptopp/code/trunk/c5@385 57ff6487-cd31-0410-9ec3-f628ee90f5f0

1 files changed, 11 insertions, 0 deletions

diff --git a/cpu.h b/cpu.h
index 6eae489..bec63fd 100755
--- a/cpu.h
+++ b/cpu.h
@@ -16,6 +16,7 @@ NAMESPACE_BEGIN(CryptoPP)
 // these should not be used directly
 extern CRYPTOPP_DLL bool g_x86DetectionDone;
 extern CRYPTOPP_DLL bool g_hasSSE2;
+extern CRYPTOPP_DLL bool g_hasISSE;
 extern CRYPTOPP_DLL bool g_hasMMX;
 extern CRYPTOPP_DLL bool g_hasSSSE3;
 extern CRYPTOPP_DLL bool g_isP4;
@@ -26,6 +27,7 @@ CRYPTOPP_DLL bool CpuId(word32 input, word32 *output);
 
 #if CRYPTOPP_BOOL_X64
 inline bool HasSSE2()	{return true;}
+inline bool HasISSE()	{return true;}
 inline bool HasMMX()	{return true;}
 #else
 
@@ -36,6 +38,13 @@ inline bool HasSSE2()
 	return g_hasSSE2;
 }
 
+inline bool HasISSE()
+{
+	if (!g_x86DetectionDone)
+		DetectX86Features();
+	return g_hasISSE;
+}
+
 inline bool HasMMX()
 {
 	if (!g_x86DetectionDone)
@@ -79,9 +88,11 @@ inline bool IsP4()		{return false;}
 // assume MMX and SSE2 if intrinsics are enabled
 #if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE || CRYPTOPP_BOOL_X64
 inline bool HasSSE2()	{return true;}
+inline bool HasISSE()	{return true;}
 inline bool HasMMX()	{return true;}
 #else
 inline bool HasSSE2()	{return false;}
+inline bool HasISSE()	{return false;}
 inline bool HasMMX()	{return false;}
 #endif