diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
index 5e9a655eaf8240cdd37f4df3d6fdfa8f7bdb9705..3a070a99f2b5e9b64ccbfb2696236e7e8134cc67 100644
--- a/clang/lib/Driver/ToolChains/Gnu.cpp
+++ b/clang/lib/Driver/ToolChains/Gnu.cpp
@@ -2464,7 +2464,7 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
   static const char *const AArch64LibDirs[] = {"/lib64", "/lib"};
   static const char *const AArch64Triples[] = {
       "aarch64-none-linux-gnu", "aarch64-linux-gnu", "aarch64-redhat-linux",
-      "aarch64-suse-linux"};
+      "aarch64-suse-linux", "aarch64-openEuler-linux"};
   static const char *const AArch64beLibDirs[] = {"/lib"};
   static const char *const AArch64beTriples[] = {"aarch64_be-none-linux-gnu"};
 
@@ -2491,8 +2491,9 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
       "x86_64-linux-gnu",       "x86_64-unknown-linux-gnu",
       "x86_64-pc-linux-gnu",    "x86_64-redhat-linux6E",
       "x86_64-redhat-linux",    "x86_64-suse-linux",
-      "x86_64-manbo-linux-gnu", "x86_64-slackware-linux",
-      "x86_64-unknown-linux",   "x86_64-amazon-linux"};
+      "x86_64-manbo-linux-gnu", "x86_64-linux-gnu",
+      "x86_64-slackware-linux", "x86_64-unknown-linux",
+      "x86_64-amazon-linux", "x86_64-openEuler-linux"};
   static const char *const X32Triples[] = {"x86_64-linux-gnux32",
                                            "x86_64-pc-linux-gnux32"};
   static const char *const X32LibDirs[] = {"/libx32", "/lib"};
@@ -2562,7 +2563,8 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
                                                "riscv32-unknown-elf"};
   static const char *const RISCV64LibDirs[] = {"/lib64", "/lib"};
   static const char *const RISCV64Triples[] = {"riscv64-unknown-linux-gnu",
-                                               "riscv64-unknown-elf"};
+                                               "riscv64-linux-gnu",
+                                               "riscv64-unknown-elf", "riscv64-openEuler-linux"};
 
   static const char *const SPARCv8LibDirs[] = {"/lib32", "/lib"};
   static const char *const SPARCv8Triples[] = {"sparc-linux-gnu",