[AMDGPU] gfx908 clang target

Differential Revision: https://reviews.llvm.org/D64430

llvm-svn: 365528
diff --git a/clang/lib/Basic/Targets/AMDGPU.cpp b/clang/lib/Basic/Targets/AMDGPU.cpp
index 568f267..b5c82e2 100644
--- a/clang/lib/Basic/Targets/AMDGPU.cpp
+++ b/clang/lib/Basic/Targets/AMDGPU.cpp
@@ -152,6 +152,12 @@
       Features["gfx10-insts"] = true;
       Features["s-memrealtime"] = true;
       break;
+    case GK_GFX908:
+      Features["dot3-insts"] = true;
+      Features["dot4-insts"] = true;
+      Features["dot5-insts"] = true;
+      Features["dot6-insts"] = true;
+      LLVM_FALLTHROUGH;
     case GK_GFX906:
       Features["dl-insts"] = true;
       Features["dot1-insts"] = true;