[PATCH] D75914: systemz: allow configuring default SystemZTargetCPU

[Dimitri John Ledkov via Phabricator via llvm-commits]

xnox created this revision.
xnox added a project: clang.
Herald added a subscriber: mgorny.
Herald added a project: LLVM.
xnox added reviewers: clang, LLVM.

On Ubuntu, we want to raise default SystemZTargetCPU to z13, thus allow configuring this via CMake.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D75914

Files:
  CMakeLists.txt
  lib/Driver/ToolChains/Arch/SystemZ.cpp


Index: lib/Driver/ToolChains/Arch/SystemZ.cpp
===================================================================
--- lib/Driver/ToolChains/Arch/SystemZ.cpp
+++ lib/Driver/ToolChains/Arch/SystemZ.cpp
@@ -18,7 +18,11 @@
 const char *systemz::getSystemZTargetCPU(const ArgList &Args) {
   if (const Arg *A = Args.getLastArg(clang::driver::options::OPT_march_EQ))
     return A->getValue();
+#if defined(CLANG_SystemZTargetCPU)
+  return CLANG_SystemZTargetCPU;
+#else
   return "z10";
+#endif
 }
 
 void systemz::getSystemZTargetFeatures(const ArgList &Args,
Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -306,6 +306,10 @@
 set(CLANG_VENDOR ${PACKAGE_VENDOR} CACHE STRING
   "Vendor-specific text for showing with version information.")
 
+if( CLANG_SystemZTargetCPU )
+  add_definitions( -DCLANG_SystemZTargetCPU="${CLANG_SystemZTargetCPU}" )
+endif()
+
 if( CLANG_VENDOR )
   add_definitions( -DCLANG_VENDOR="${CLANG_VENDOR} " )
 endif()


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