From 8532f317b3440154b421b1e8b8b004ead28f847e Mon Sep 17 00:00:00 2001
From: weidai <weidai@57ff6487-cd31-0410-9ec3-f628ee90f5f0>
Date: Sat, 24 Jul 2010 05:55:22 +0000
Subject: add support for AES-NI and CLMUL instruction sets in AES and GMAC/GCM

git-svn-id: svn://svn.code.sf.net/p/cryptopp/code/trunk/c5@508 57ff6487-cd31-0410-9ec3-f628ee90f5f0
---
 cpu.h | 48 ++++++++++++++++++------------------------------
 1 file changed, 18 insertions(+), 30 deletions(-)

(limited to 'cpu.h')

diff --git a/cpu.h b/cpu.h
index 79e5ea8..9a6ee22 100755
--- a/cpu.h
+++ b/cpu.h
@@ -18,22 +18,18 @@
 
 NAMESPACE_BEGIN(CryptoPP)
 
-#if defined(CRYPTOPP_X86_ASM_AVAILABLE) || (_MSC_VER >= 1400 && CRYPTOPP_BOOL_X64)
+#if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X64
 
 #define CRYPTOPP_CPUID_AVAILABLE
 
 // 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_hasAESNI;
 extern CRYPTOPP_DLL bool g_hasCLMUL;
 extern CRYPTOPP_DLL bool g_isP4;
 extern CRYPTOPP_DLL word32 g_cacheLineSize;
 CRYPTOPP_DLL void CRYPTOPP_API DetectX86Features();
-
 CRYPTOPP_DLL bool CRYPTOPP_API CpuId(word32 input, word32 *output);
 
 #if CRYPTOPP_BOOL_X64
@@ -42,6 +38,10 @@ inline bool HasISSE()	{return true;}
 inline bool HasMMX()	{return true;}
 #else
 
+extern CRYPTOPP_DLL bool g_hasSSE2;
+extern CRYPTOPP_DLL bool g_hasISSE;
+extern CRYPTOPP_DLL bool g_hasMMX;
+
 inline bool HasSSE2()
 {
 	if (!g_x86DetectionDone)
@@ -107,22 +107,8 @@ inline int GetCacheLineSize()
 	return CRYPTOPP_L1_CACHE_LINE_SIZE;
 }
 
-inline bool HasSSSE3()	{return false;}
-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
 
-#endif		// #ifdef CRYPTOPP_X86_ASM_AVAILABLE || _MSC_VER >= 1400
-
 #endif
 
 #ifdef CRYPTOPP_GENERATE_X64_MASM
@@ -134,7 +120,19 @@ inline bool HasMMX()	{return false;}
 	#define ASJ(x, y, z) x label##y*newline*
 	#define ASC(x, y) x label##y*newline*
 	#define AS_HEX(y) 0##y##h
-#elif defined(__GNUC__)
+#elif defined(_MSC_VER) || defined(__BORLANDC__)
+	#define CRYPTOPP_MS_STYLE_INLINE_ASSEMBLY
+	#define AS1(x) __asm {x}
+	#define AS2(x, y) __asm {x, y}
+	#define AS3(x, y, z) __asm {x, y, z}
+	#define ASS(x, y, a, b, c, d) __asm {x, y, (a)*64+(b)*16+(c)*4+(d)}
+	#define ASL(x) __asm {label##x:}
+	#define ASJ(x, y, z) __asm {x label##y}
+	#define ASC(x, y) __asm {x label##y}
+	#define CRYPTOPP_NAKED __declspec(naked)
+	#define AS_HEX(y) 0x##y
+#else
+	#define CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY
 	// define these in two steps to allow arguments to be expanded
 	#define GNU_AS1(x) #x ";"
 	#define GNU_AS2(x, y) #x ", " #y ";"
@@ -150,16 +148,6 @@ inline bool HasMMX()	{return false;}
 	#define ASC(x, y) #x " " #y ";"
 	#define CRYPTOPP_NAKED
 	#define AS_HEX(y) 0x##y
-#else
-	#define AS1(x) __asm {x}
-	#define AS2(x, y) __asm {x, y}
-	#define AS3(x, y, z) __asm {x, y, z}
-	#define ASS(x, y, a, b, c, d) __asm {x, y, _MM_SHUFFLE(a, b, c, d)}
-	#define ASL(x) __asm {label##x:}
-	#define ASJ(x, y, z) __asm {x label##y}
-	#define ASC(x, y) __asm {x label##y}
-	#define CRYPTOPP_NAKED __declspec(naked)
-	#define AS_HEX(y) 0x##y
 #endif
 
 #define IF0(y)
-- 
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