[SystemZ] Add support for new cpu architecture - arch14

This patch adds support for the next-generation arch14
CPU architecture to the SystemZ backend.

This includes:
- Basic support for the new processor and its features.
- Detection of arch14 as host processor.
- Assembler/disassembler support for new instructions.
- New LLVM intrinsics for certain new instructions.
- Support for low-level builtins mapped to new LLVM intrinsics.
- New high-level intrinsics in vecintrin.h.
- Indicate support by defining  __VEC__ == 10304.

Note: No currently available Z system supports the arch14
architecture.  Once new systems become available, the
official system name will be added as supported -march name.

1 files changed, 4 insertions, 1 deletions

diff --git a/llvm/lib/Support/Host.cpp b/llvm/lib/Support/Host.cpp
index 3336587a..f873ff0 100644
--- a/llvm/lib/Support/Host.cpp
+++ b/llvm/lib/Support/Host.cpp
@@ -324,8 +324,11 @@ StringRef getCPUNameFromS390Model(unsigned int Id, bool HaveVectorSupport) {
       return HaveVectorSupport? "z14" : "zEC12";
     case 8561:
     case 8562:
-    default:
       return HaveVectorSupport? "z15" : "zEC12";
+    case 3931:
+    case 3932:
+    default:
+      return HaveVectorSupport? "arch14" : "zEC12";
   }
 }
 } // end anonymous namespace