[clang] [Driver][Sparc] Default to -mcpu=v9 for 32-bit Linux/sparc64 (PR #109278)

[Rainer Orth via cfe-commits]

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@@ -125,7 +126,9 @@ std::string sparc::getSparcTargetCPU(const Driver &D, const ArgList &Args,
     return std::string(CPUName);
   }
 
-  if (Triple.getArch() == llvm::Triple::sparc && Triple.isOSSolaris())
+  Distro Dist(D.getVFS(), Triple);
+  if (Triple.getArch() == llvm::Triple::sparc &&
+      (Triple.isOSSolaris() || Dist.IsDebian() || Dist.IsGentoo()))
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rorth wrote:

Exactly: so far I've just included distros that I know for certain are SPARC V9 only.  This can always be augmented if more come up, of course.

https://github.com/llvm/llvm-project/pull/109278