Remove handcrafted MMX code

[stockfish] / src / misc.cpp

diff --git a/src/misc.cpp b/src/misc.cpp
index a72a1c13319919463414446f99f45f19e18f14ce..2f6ffd28e7029718e468db6df2efafa9898c8462 100644 (file)
--- a/src/misc.cpp
+++ b/src/misc.cpp
@@ -85,7 +85,7 @@ struct Tie: public std::streambuf { // MSVC requires split streambuf for cin and
   Tie(std::streambuf* b, std::streambuf* l) : buf(b), logBuf(l) {}
 
   int sync() override { return logBuf->pubsync(), buf->pubsync(); }
-  int overflow(int c) override { return log(buf->sputc((char)c), "<< "); }
+  int overflow(int c) override { return log(buf->sputc(char(c)), "<< "); }
   int underflow() override { return buf->sgetc(); }
   int uflow() override { return log(buf->sbumpc(), ">> "); }
 
@@ -98,7 +98,7 @@ struct Tie: public std::streambuf { // MSVC requires split streambuf for cin and
     if (last == '\n')
         logBuf->sputn(prefix, 3);
 
-    return last = logBuf->sputc((char)c);
+    return last = logBuf->sputc(char(c));
   }
 };
 
@@ -193,22 +193,21 @@ std::string compiler_info() {
 
 /// Predefined macros hell:
 ///
-/// __GNUC__           Compiler is gcc, Clang or Intel on Linux
-/// __INTEL_COMPILER   Compiler is Intel
-/// _MSC_VER           Compiler is MSVC or Intel on Windows
-/// _WIN32             Building on Windows (any)
-/// _WIN64             Building on Windows 64 bit
-
-  std::string compiler = "\nCompiled by ";
-
-  #ifdef __clang__
+/// __GNUC__                Compiler is GCC, Clang or ICX
+/// __clang__               Compiler is Clang or ICX
+/// __INTEL_LLVM_COMPILER   Compiler is ICX
+/// _MSC_VER                Compiler is MSVC
+/// _WIN32                  Building on Windows (any)
+/// _WIN64                  Building on Windows 64 bit
+
+  std::string compiler = "\nCompiled by                : ";
+
+  #if defined(__INTEL_LLVM_COMPILER)
+     compiler += "ICX ";
+     compiler += stringify(__INTEL_LLVM_COMPILER);
+  #elif defined(__clang__)
      compiler += "clang++ ";
      compiler += make_version_string(__clang_major__, __clang_minor__, __clang_patchlevel__);
-  #elif __INTEL_COMPILER
-     compiler += "Intel compiler ";
-     compiler += "(version ";
-     compiler += stringify(__INTEL_COMPILER) " update " stringify(__INTEL_COMPILER_UPDATE);
-     compiler += ")";
   #elif _MSC_VER
      compiler += "MSVC ";
      compiler += "(version ";
@@ -216,9 +215,9 @@ std::string compiler_info() {
      compiler += ")";
   #elif defined(__e2k__) && defined(__LCC__)
     #define dot_ver2(n) \
-      compiler += (char)'.'; \
-      compiler += (char)('0' + (n) / 10); \
-      compiler += (char)('0' + (n) % 10);
+      compiler += char('.'); \
+      compiler += char('0' + (n) / 10); \
+      compiler += char('0' + (n) % 10);
 
      compiler += "MCST LCC ";
      compiler += "(version ";
@@ -254,8 +253,15 @@ std::string compiler_info() {
      compiler += " on unknown system";
   #endif
 
-  compiler += "\nCompilation settings include: ";
-  compiler += (Is64Bit ? " 64bit" : " 32bit");
+  compiler += "\nCompilation architecture   : ";
+  #if defined(ARCH)
+     compiler += stringify(ARCH);
+  #else
+     compiler += "(undefined architecture)";
+  #endif
+
+  compiler += "\nCompilation settings       : ";
+  compiler += (Is64Bit ? "64bit" : "32bit");
   #if defined(USE_VNNI)
     compiler += " VNNI";
   #endif
@@ -276,9 +282,6 @@ std::string compiler_info() {
     compiler += " SSE2";
   #endif
   compiler += (HasPopCnt ? " POPCNT" : "");
-  #if defined(USE_MMX)
-    compiler += " MMX";
-  #endif
   #if defined(USE_NEON_DOTPROD)
     compiler += " NEON_DOTPROD";
   #elif defined(USE_NEON)
@@ -289,12 +292,13 @@ std::string compiler_info() {
     compiler += " DEBUG";
   #endif
 
-  compiler += "\n__VERSION__ macro expands to: ";
+  compiler += "\nCompiler __VERSION__ macro : ";
   #ifdef __VERSION__
      compiler += __VERSION__;
   #else
      compiler += "(undefined macro)";
   #endif
+
   compiler += "\n";
 
   return compiler;
@@ -425,13 +429,7 @@ void prefetch(void*) {}
 
 void prefetch(void* addr) {
 
-#  if defined(__INTEL_COMPILER)
-   // This hack prevents prefetches from being optimized away by
-   // Intel compiler. Both MSVC and gcc seem not be affected by this.
-   __asm__ ("");
-#  endif
-
-#  if defined(__INTEL_COMPILER) || defined(_MSC_VER)
+#  if defined(_MSC_VER)
   _mm_prefetch((char*)addr, _MM_HINT_T0);
 #  else
   __builtin_prefetch(addr);
@@ -497,13 +495,13 @@ static void* aligned_large_pages_alloc_windows([[maybe_unused]] size_t allocSize
   if (!hAdvapi32)
       hAdvapi32 = LoadLibrary(TEXT("advapi32.dll"));
 
-  auto fun6 = (fun6_t)(void(*)())GetProcAddress(hAdvapi32, "OpenProcessToken");
+  auto fun6 = fun6_t((void(*)())GetProcAddress(hAdvapi32, "OpenProcessToken"));
   if (!fun6)
       return nullptr;
-  auto fun7 = (fun7_t)(void(*)())GetProcAddress(hAdvapi32, "LookupPrivilegeValueA");
+  auto fun7 = fun7_t((void(*)())GetProcAddress(hAdvapi32, "LookupPrivilegeValueA"));
   if (!fun7)
       return nullptr;
-  auto fun8 = (fun8_t)(void(*)())GetProcAddress(hAdvapi32, "AdjustTokenPrivileges");
+  auto fun8 = fun8_t((void(*)())GetProcAddress(hAdvapi32, "AdjustTokenPrivileges"));
   if (!fun8)
       return nullptr;
 
@@ -698,10 +696,10 @@ void bindThisThread(size_t idx) {
 
   // Early exit if the needed API are not available at runtime
   HMODULE k32 = GetModuleHandle(TEXT("Kernel32.dll"));
-  auto fun2 = (fun2_t)(void(*)())GetProcAddress(k32, "GetNumaNodeProcessorMaskEx");
-  auto fun3 = (fun3_t)(void(*)())GetProcAddress(k32, "SetThreadGroupAffinity");
-  auto fun4 = (fun4_t)(void(*)())GetProcAddress(k32, "GetNumaNodeProcessorMask2");
-  auto fun5 = (fun5_t)(void(*)())GetProcAddress(k32, "GetMaximumProcessorGroupCount");
+  auto fun2 = fun2_t((void(*)())GetProcAddress(k32, "GetNumaNodeProcessorMaskEx"));
+  auto fun3 = fun3_t((void(*)())GetProcAddress(k32, "SetThreadGroupAffinity"));
+  auto fun4 = fun4_t((void(*)())GetProcAddress(k32, "GetNumaNodeProcessorMask2"));
+  auto fun5 = fun5_t((void(*)())GetProcAddress(k32, "GetMaximumProcessorGroupCount"));
 
   if (!fun2 || !fun3)
       return;