1 files changed, 52 insertions, 0 deletions
diff --git a/ARMeilleure/CodeGen/X86/HardwareCapabilities.cs b/ARMeilleure/CodeGen/X86/HardwareCapabilities.cs
new file mode 100644
index 00000000..7f930d6b
--- /dev/null
+++ b/ARMeilleure/CodeGen/X86/HardwareCapabilities.cs
@@ -0,0 +1,52 @@
+using ARMeilleure.IntermediateRepresentation;
+using ARMeilleure.Translation;
+
+namespace ARMeilleure.CodeGen.X86
+{
+    static class HardwareCapabilities
+    {
+        private delegate ulong GetFeatureInfo();
+
+        private static ulong _featureInfo;
+
+        public static bool SupportsSse3      => (_featureInfo & (1UL << 0))  != 0;
+        public static bool SupportsPclmulqdq => (_featureInfo & (1UL << 1))  != 0;
+        public static bool SupportsSsse3     => (_featureInfo & (1UL << 9))  != 0;
+        public static bool SupportsFma       => (_featureInfo & (1UL << 12)) != 0;
+        public static bool SupportsCx16      => (_featureInfo & (1UL << 13)) != 0;
+        public static bool SupportsSse41     => (_featureInfo & (1UL << 19)) != 0;
+        public static bool SupportsSse42     => (_featureInfo & (1UL << 20)) != 0;
+        public static bool SupportsPopcnt    => (_featureInfo & (1UL << 23)) != 0;
+        public static bool SupportsAesni     => (_featureInfo & (1UL << 25)) != 0;
+        public static bool SupportsAvx       => (_featureInfo & (1UL << 28)) != 0;
+        public static bool SupportsF16c      => (_featureInfo & (1UL << 29)) != 0;
+
+        public static bool SupportsSse  => (_featureInfo & (1UL << 32 + 25)) != 0;
+        public static bool SupportsSse2 => (_featureInfo & (1UL << 32 + 26)) != 0;
+
+        public static bool ForceLegacySse { get; set; }
+
+        public static bool SupportsVexEncoding => !ForceLegacySse && SupportsAvx;
+
+        static HardwareCapabilities()
+        {
+            EmitterContext context = new EmitterContext();
+
+            Operand featureInfo = context.CpuId();
+
+            context.Return(featureInfo);
+
+            ControlFlowGraph cfg = context.GetControlFlowGraph();
+
+            OperandType[] argTypes = new OperandType[0];
+
+            GetFeatureInfo getFeatureInfo = Compiler.Compile<GetFeatureInfo>(
+                cfg,
+                argTypes,
+                OperandType.I64,
+                CompilerOptions.HighCq);
+
+            _featureInfo = getFeatureInfo();
+        }
+    }
+}
+\ No newline at end of file