Support LoongArch64

src/conditions/BUILD

@@ -84,6 +84,15 @@ config_setting(
     visibility = ["//visibility:public"],
 )
 
+config_setting(
+    name = "linux_loongarch64",
+    constraint_values = [
+        "@platforms//os:linux",
+        "@platforms//cpu:loongarch64",
+    ],
+    visibility = ["//visibility:public"],
+)
+
 config_setting(
     name = "linux_x86_64",
     constraint_values = [

src/conditions/BUILD.tools

@@ -69,6 +69,15 @@ config_setting(
     visibility = ["//visibility:public"],
 )
 
+config_setting(
+    name = "linux_loongarch64",
+    constraint_values = [
+        "@platforms//os:linux",
+        "@platforms//cpu:loongarch64",
+    ],
+    visibility = ["//visibility:public"],
+)
+
 config_setting(
     name = "linux_x86_64",
     constraint_values = [

src/main/java/com/google/devtools/build/lib/analysis/config/AutoCpuConverter.java

@@ -56,6 +56,7 @@ public String convert(String input) throws OptionsParsingException {
               case S390X -> "s390x";
               case MIPS64 -> "mips64";
               case RISCV64 -> "riscv64";
+              case LOONGARCH64 -> "loongarch64";
               default -> "unknown";
             };
         default -> "unknown";

src/main/java/com/google/devtools/build/lib/util/CPU.java

@@ -29,6 +29,7 @@ public enum CPU {
   S390X("s390x", ImmutableSet.of("s390x", "s390")),
   MIPS64("mips64", ImmutableSet.of("mips64el", "mips64")),
   RISCV64("riscv64", ImmutableSet.of("riscv64")),
+  LOONGARCH64("loongarch64", ImmutableSet.of("loongarch64")),
   UNKNOWN("unknown", ImmutableSet.<String>of());
 
   private final String canonicalName;