diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp b/clang/lib/Driver/ToolChains/Gnu.cpp
index 20900620a80ca04cb923e9a1a2a228f3c9d602b0..1f05fef26fea4d7369c9ab7079a6c079f7823390 100644
--- a/clang/lib/Driver/ToolChains/Gnu.cpp
+++ b/clang/lib/Driver/ToolChains/Gnu.cpp
@@ -2375,7 +2375,7 @@ 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-openEuler-linux", "aarch64-kylin-linux"};
+      "aarch64-suse-linux", "aarch64-openEuler-linux", "aarch64-kylin-linux", "aarch64-uos-linux"};
   static const char *const AArch64beLibDirs[] = {"/lib"};
   static const char *const AArch64beTriples[] = {"aarch64_be-none-linux-gnu",
                                                  "aarch64_be-linux-gnu"};
@@ -2410,7 +2410,7 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
       "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",
-      "x86_64-kylin-linux"};
+      "x86_64-kylin-linux", "x86_64-uos-linux"};
   static const char *const X32Triples[] = {"x86_64-linux-gnux32",
                                            "x86_64-pc-linux-gnux32"};
   static const char *const X32LibDirs[] = {"/libx32", "/lib"};
@@ -2418,13 +2418,13 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
   static const char *const X86Triples[] = {
       "i586-linux-gnu",      "i686-linux-gnu",        "i686-pc-linux-gnu",
       "i386-redhat-linux6E", "i686-redhat-linux",     "i386-redhat-linux",
-      "i586-suse-linux",     "i686-montavista-linux", "i686-gnu",
+      "i586-suse-linux",     "i686-montavista-linux", "i686-gnu", "i686-uos-linux"
   };
 
   static const char *const LoongArch64LibDirs[] = {"/lib64", "/lib"};
   static const char *const LoongArch64Triples[] = {
       "loongarch64-linux-gnu", "loongarch64-unknown-linux-gnu",
-      "loongarch64-openEuler-linux", "loongarch64-kylin-linux"};
+      "loongarch64-openEuler-linux", "loongarch64-kylin-linux", "loongarch64-uos-linux"};
 
   static const char *const M68kLibDirs[] = {"/lib"};
   static const char *const M68kTriples[] = {
@@ -2447,7 +2447,8 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
   static const char *const MIPS64ELTriples[] = {
       "mips64el-linux-gnu",      "mips-mti-linux-gnu",
       "mips-img-linux-gnu",      "mips64el-linux-gnuabi64",
-      "mipsisa64r6el-linux-gnu", "mipsisa64r6el-linux-gnuabi64"};
+      "mipsisa64r6el-linux-gnu", "mipsisa64r6el-linux-gnuabi64",
+      "mips64el-uos-linux"};
 
   static const char *const MIPSN32LibDirs[] = {"/lib32"};
   static const char *const MIPSN32Triples[] = {"mips64-linux-gnuabin32",
@@ -2489,7 +2490,8 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
                                                "riscv64-linux-gnu",
                                                "riscv64-unknown-elf", 
                                                "riscv64-openEuler-linux",
-                                               "riscv64-kylin-linux"};
+                                               "riscv64-kylin-linux",
+                                               "riscv64-uos-linux"};
 
   static const char *const SPARCv8LibDirs[] = {"/lib32", "/lib"};
   static const char *const SPARCv8Triples[] = {"sparc-linux-gnu",
@@ -2508,7 +2510,7 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
                                             "/sw_64-sunway-linux-gnu/lib"};
   static const char *const Sw64Triples[] = {
       "sw_64-sunway-linux-gnu", "sw_64-unknown-linux-gnu", "sw_64-linux-gnu",
-      "sw_64-openEuler-linux"};
+      "sw_64-openEuler-linux", "sw_64-uos-linux"};
 
   using std::begin;
   using std::end;