Support AVX 256-bit load and store intrinsics

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110645 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 1b3d3e8..12453e3 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -871,6 +871,7 @@
     addRegisterClass(MVT::v4f64, X86::VR256RegisterClass);
     addRegisterClass(MVT::v8i32, X86::VR256RegisterClass);
     addRegisterClass(MVT::v4i64, X86::VR256RegisterClass);
+    addRegisterClass(MVT::v32i8, X86::VR256RegisterClass);
 
     setOperationAction(ISD::LOAD,               MVT::v8f32, Legal);
     setOperationAction(ISD::LOAD,               MVT::v8i32, Legal);