[PATCH] D105274: Define sys::getHostCPUName for RISC-V

[Andreas Schwab via Phabricator via llvm-commits]

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The RISCV target doesn't define a "generic" cpu, only "generic-rv32" and
"generic-rv64".  Define sys::getHostCPUName for RISC-V that returns the
correct cpu for the host.  Also define computeHostNumPhysicalCores that
works for Linux.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D105274

Files:
  llvm/lib/Support/Host.cpp


Index: llvm/lib/Support/Host.cpp
===================================================================
--- llvm/lib/Support/Host.cpp
+++ llvm/lib/Support/Host.cpp
@@ -1318,6 +1318,14 @@
     return "generic";
   }
 }
+#elif defined(__riscv)
+StringRef sys::getHostCPUName() {
+#if __riscv_xlen == 64
+  return "generic-rv64";
+#else
+  return "generic-rv32";
+#endif
+}
 #else
 StringRef sys::getHostCPUName() { return "generic"; }
 namespace llvm {
@@ -1402,7 +1410,7 @@
   }
   return -1;
 }
-#elif defined(__linux__) && defined(__s390x__)
+#elif defined(__linux__) && (defined(__s390x__) || defined(__riscv))
 int computeHostNumPhysicalCores() { return sysconf(_SC_NPROCESSORS_ONLN); }
 #elif defined(__APPLE__) && defined(__x86_64__)
 #include <sys/param.h>


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