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| author | Jeremy Koritzinsky <jkoritzinsky@gmail.com> | 2017-10-15 07:12:29 +0300 |
|---|---|---|
| committer | Morgan Brown <morganbr@users.noreply.github.com> | 2017-10-15 07:12:29 +0300 |
| commit | 18f3c7773c6aebab639311481cad6ebf550bdead (patch) | |
| tree | 20b66915c9786df7ba66c1207198bd49876edb08 /src/ILCompiler.WebAssembly | |
| parent | ea81a1844f860d5b0548be2c4163c7216670c3bd (diff) | |
Implement Shift Opcodes for WebAssembly (#4721)
* Implement shift opcodes
* Fix HelloWasm test.
* FIx HelloWasm test program.
Diffstat (limited to 'src/ILCompiler.WebAssembly')
| -rw-r--r-- | src/ILCompiler.WebAssembly/src/CodeGen/ILToWebAssemblyImporter.cs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/ILCompiler.WebAssembly/src/CodeGen/ILToWebAssemblyImporter.cs b/src/ILCompiler.WebAssembly/src/CodeGen/ILToWebAssemblyImporter.cs index 7a465901f..ef6421831 100644 --- a/src/ILCompiler.WebAssembly/src/CodeGen/ILToWebAssemblyImporter.cs +++ b/src/ILCompiler.WebAssembly/src/CodeGen/ILToWebAssemblyImporter.cs @@ -1025,6 +1025,27 @@ namespace Internal.IL private void ImportShiftOperation(ILOpcode opcode) { + LLVMValueRef result; + + StackEntry numBitsToShift = _stack.Pop(); + StackEntry valueToShift = _stack.Pop(); + + switch (opcode) + { + case ILOpcode.shl: + result = LLVM.BuildShl(_builder, valueToShift.LLVMValue, numBitsToShift.LLVMValue, "shl"); + break; + case ILOpcode.shr: + result = LLVM.BuildAShr(_builder, valueToShift.LLVMValue, numBitsToShift.LLVMValue, "shr"); + break; + case ILOpcode.shr_un: + result = LLVM.BuildLShr(_builder, valueToShift.LLVMValue, numBitsToShift.LLVMValue, "shr"); + break; + default: + throw new InvalidOperationException(); // Should be unreachable + } + + PushExpression(valueToShift.Kind, "", result, valueToShift.Type); } private void ImportCompareOperation(ILOpcode opcode) |