Add ChaCha AVX2 implementation (GH #735)

1 files changed, 21 insertions, 0 deletions

diff --git a/config.h b/config.h
index 65131315..2d47cf5c 100644
--- a/config.h
+++ b/config.h
@@ -484,6 +484,11 @@ NAMESPACE_END
 # define CRYPTOPP_DISABLE_ASM 1

 #endif

 

+// SunCC prior to 5.10 cannot handle some SSE intrinsics

+#if defined(__SUNPRO_CC) && (__SUNPRO_CC < 0x5100)

+# define CRYPTOPP_DISABLE_ASM 1

+#endif

+

 // Sun Studio 12 provides GCC inline assembly, http://blogs.oracle.com/x86be/entry/gcc_style_asm_inlining_support

 // We can enable SSE2 for Sun Studio in the makefile with -D__SSE2__, but users may not compile with it.

 #if !defined(CRYPTOPP_DISABLE_ASM) && !defined(__SSE2__) && defined(__x86_64__) && (__SUNPRO_CC >= 0x5100)

@@ -563,6 +568,22 @@ NAMESPACE_END
 	#define CRYPTOPP_AESNI_AVAILABLE 1

 #endif

 

+// Requires Binutils 2.24

+#if !defined(CRYPTOPP_DISABLE_AVX) && defined(CRYPTOPP_SSE42_AVAILABLE) && \

+	(defined(__AVX2__) || (CRYPTOPP_MSC_VERSION >= 1800) || (__SUNPRO_CC >= 0x5130) || \

+	(CRYPTOPP_GCC_VERSION >= 40700) || (__INTEL_COMPILER >= 1400) || \

+	(CRYPTOPP_LLVM_CLANG_VERSION >= 30100) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40600))

+#define CRYPTOPP_AVX_AVAILABLE 1

+#endif

+

+// Requires Binutils 2.24

+#if !defined(CRYPTOPP_DISABLE_AVX2) && defined(CRYPTOPP_AVX_AVAILABLE) && \

+	(defined(__AVX2__) || (CRYPTOPP_MSC_VERSION >= 1800) || (__SUNPRO_CC >= 0x5130) || \

+	(CRYPTOPP_GCC_VERSION >= 40700) || (__INTEL_COMPILER >= 1400) || \

+	(CRYPTOPP_LLVM_CLANG_VERSION >= 30100) || (CRYPTOPP_APPLE_CLANG_VERSION >= 40600))

+#define CRYPTOPP_AVX2_AVAILABLE 1

+#endif

+

 // Guessing at SHA for SunCC. Its not in Sun Studio 12.6. Also see

 //   http://stackoverflow.com/questions/45872180/which-xarch-for-sha-extensions-on-solaris

 #if !defined(CRYPTOPP_DISABLE_ASM) && !defined(CRYPTOPP_DISABLE_SHANI) && defined(CRYPTOPP_SSE42_AVAILABLE) && \