AMD k8 family does not support SSE4.x which are required by x86-64-v2+

So don't define __tune__k8__ for these micro architecture.

SSE, SSE2 and SSE3 appear in https://www.amd.com/system/files/TechDocs/25112.PDF
but not SSE4.x.

Differential Revision: https://reviews.llvm.org/D104116

diff --git a/clang/lib/Basic/Targets/X86.cpp b/clang/lib/Basic/Targets/X86.cpp
index ee5b6cb..8f7749b 100644 (file)
--- a/clang/lib/Basic/Targets/X86.cpp
+++ b/clang/lib/Basic/Targets/X86.cpp
@@ -514,9 +514,6 @@ void X86TargetInfo::getTargetDefines(const LangOptions &Opts,
   case CK_K8:
   case CK_K8SSE3:
   case CK_x86_64:
-  case CK_x86_64_v2:
-  case CK_x86_64_v3:
-  case CK_x86_64_v4:
     defineCPUMacros(Builder, "k8");
     break;
   case CK_AMDFAM10: