Endianness handler

libevmjit/Endianness.cpp

@@ -0,0 +1,24 @@
+
+#include "Endianness.h"
+
+#include <llvm/IR/IntrinsicInst.h>
+
+#include "Type.h"
+
+namespace dev
+{
+namespace eth
+{
+namespace jit
+{
+
+llvm::Value* Endianness::toBE(llvm::IRBuilder<>& _builder, llvm::Value* _word)
+{
+	// TODO: Native is Little Endian
+	auto bswap = llvm::Intrinsic::getDeclaration(_builder.GetInsertBlock()->getParent()->getParent(), llvm::Intrinsic::bswap, Type::i256);
+	return _builder.CreateCall(bswap, _word);
+}
+
+}
+}
+}

libevmjit/Endianness.h

@@ -0,0 +1,22 @@
+
+#pragma once
+
+#include <llvm/IR/IRBuilder.h>
+
+namespace dev
+{
+namespace eth
+{
+namespace jit
+{
+
+class Endianness
+{
+public:
+
+	static llvm::Value* toBE(llvm::IRBuilder<>& _builder, llvm::Value* _word);
+};
+
+}
+}
+}

windows/LibEvmJit.vcxproj

@@ -126,6 +126,7 @@
     <ClCompile Include="..\libevmjit\BasicBlock.cpp" />
     <ClCompile Include="..\libevmjit\Compiler.cpp" />
     <ClCompile Include="..\libevmjit\CompilerHelper.cpp" />
+    <ClCompile Include="..\libevmjit\Endianness.cpp" />
     <ClCompile Include="..\libevmjit\ExecutionEngine.cpp" />
     <ClCompile Include="..\libevmjit\Ext.cpp" />
     <ClCompile Include="..\libevmjit\GasMeter.cpp" />
@@ -139,6 +140,7 @@
     <ClInclude Include="..\libevmjit\BasicBlock.h" />
     <ClInclude Include="..\libevmjit\Compiler.h" />
     <ClInclude Include="..\libevmjit\CompilerHelper.h" />
+    <ClInclude Include="..\libevmjit\Endianness.h" />
     <ClInclude Include="..\libevmjit\ExecutionEngine.h" />
     <ClInclude Include="..\libevmjit\Ext.h" />
     <ClInclude Include="..\libevmjit\GasMeter.h" />

windows/LibEvmJit.vcxproj.filters

@@ -39,6 +39,9 @@
     <ClCompile Include="..\libevmjit\VM.cpp">
       <Filter>libevmjit</Filter>
     </ClCompile>
+    <ClCompile Include="..\libevmjit\Endianness.cpp">
+      <Filter>libevmjit</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\libevmjit\BasicBlock.h">
@@ -74,5 +77,8 @@
     <ClInclude Include="..\libevmjit\VM.h">
       <Filter>libevmjit</Filter>
     </ClInclude>
+    <ClInclude Include="..\libevmjit\Endianness.h">
+      <Filter>libevmjit</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>