From fc662341e6f85da78ada0e443f6116b978f79f22 Mon Sep 17 00:00:00 2001
From: Igor Pavlov <87184205+ip7z@users.noreply.github.com>
Date: Tue, 14 May 2024 00:00:00 +0000
Subject: 24.05

---
 C/Sha256.c | 52 +++++++++++++++++++++++++---------------------------
 1 file changed, 25 insertions(+), 27 deletions(-)

(limited to 'C/Sha256.c')

diff --git a/C/Sha256.c b/C/Sha256.c
index 018cf6f..14d3be9 100644
--- a/C/Sha256.c
+++ b/C/Sha256.c
@@ -1,5 +1,5 @@
 /* Sha256.c -- SHA-256 Hash
-2023-04-02 : Igor Pavlov : Public domain
+2024-03-01 : Igor Pavlov : Public domain
 This code is based on public domain code from Wei Dai's Crypto++ library. */
 
 #include "Precomp.h"
@@ -15,35 +15,35 @@ This code is based on public domain code from Wei Dai's Crypto++ library. */
 #endif
 
 #ifdef MY_CPU_X86_OR_AMD64
-  #ifdef _MSC_VER
-    #if _MSC_VER >= 1200
+  #if   defined(Z7_LLVM_CLANG_VERSION)  && (Z7_LLVM_CLANG_VERSION  >= 30800) \
+     || defined(Z7_APPLE_CLANG_VERSION) && (Z7_APPLE_CLANG_VERSION >= 50100) \
+     || defined(Z7_GCC_VERSION)         && (Z7_GCC_VERSION         >= 40900) \
+     || defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 1600) \
+     || defined(_MSC_VER) && (_MSC_VER >= 1200)
       #define Z7_COMPILER_SHA256_SUPPORTED
-    #endif
-  #elif defined(__clang__)
-    #if (__clang_major__ >= 8) // fix that check
-      #define Z7_COMPILER_SHA256_SUPPORTED
-    #endif
-  #elif defined(__GNUC__)
-    #if (__GNUC__ >= 8) // fix that check
-      #define Z7_COMPILER_SHA256_SUPPORTED
-    #endif
-  #elif defined(__INTEL_COMPILER)
-    #if (__INTEL_COMPILER >= 1800) // fix that check
-      #define Z7_COMPILER_SHA256_SUPPORTED
-    #endif
   #endif
-#elif defined(MY_CPU_ARM_OR_ARM64)
-  #ifdef _MSC_VER
-    #if _MSC_VER >= 1910
+#elif defined(MY_CPU_ARM_OR_ARM64) && defined(MY_CPU_LE)
+
+  #if   defined(__ARM_FEATURE_SHA2) \
+     || defined(__ARM_FEATURE_CRYPTO)
+    #define Z7_COMPILER_SHA256_SUPPORTED
+  #else
+    #if  defined(MY_CPU_ARM64) \
+      || defined(__ARM_ARCH) && (__ARM_ARCH >= 4) \
+      || defined(Z7_MSC_VER_ORIGINAL)
+    #if  defined(__ARM_FP) && \
+          (   defined(Z7_CLANG_VERSION) && (Z7_CLANG_VERSION >= 30800) \
+           || defined(__GNUC__) && (__GNUC__ >= 6) \
+          ) \
+      || defined(Z7_MSC_VER_ORIGINAL) && (_MSC_VER >= 1910)
+    #if  defined(MY_CPU_ARM64) \
+      || !defined(Z7_CLANG_VERSION) \
+      || defined(__ARM_NEON) && \
+          (Z7_CLANG_VERSION < 170000 || \
+           Z7_CLANG_VERSION > 170001)
       #define Z7_COMPILER_SHA256_SUPPORTED
     #endif
-  #elif defined(__clang__)
-    #if (__clang_major__ >= 8) // fix that check
-      #define Z7_COMPILER_SHA256_SUPPORTED
     #endif
-  #elif defined(__GNUC__)
-    #if (__GNUC__ >= 6) // fix that check
-      #define Z7_COMPILER_SHA256_SUPPORTED
     #endif
   #endif
 #endif
@@ -224,8 +224,6 @@ void Sha256_Init(CSha256 *p)
 
 #endif
 
-void Z7_FASTCALL Sha256_UpdateBlocks_HW(UInt32 state[8], const Byte *data, size_t numBlocks);
-
 // static
 extern MY_ALIGN(64)
 const UInt32 SHA256_K_ARRAY[64];
-- 
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