diff --git a/src/cmd/compile/internal/logopt/logopt_test.go b/src/cmd/compile/internal/logopt/logopt_test.go
index 8d07a49cc0fd6..411319f9e9eff 100644
--- a/src/cmd/compile/internal/logopt/logopt_test.go
+++ b/src/cmd/compile/internal/logopt/logopt_test.go
@@ -155,7 +155,7 @@ func s15a8(x *[15]int64) [15]int64 {
 		arches := []string{runtime.GOARCH}
 		goos0 := runtime.GOOS
 		if runtime.GOARCH == "amd64" { // Test many things with "linux" (wasm will get "js")
-			arches = []string{"arm", "arm64", "386", "amd64", "mips", "mips64", "ppc64le", "riscv64", "s390x", "wasm"}
+			arches = []string{"arm", "arm64", "386", "amd64", "mips", "mips64", "loong64", "ppc64le", "riscv64", "s390x", "wasm"}
 			goos0 = "linux"
 		}
 
diff --git a/src/cmd/compile/internal/test/inl_test.go b/src/cmd/compile/internal/test/inl_test.go
index 0e52a572ab321..3fd45f21e7f66 100644
--- a/src/cmd/compile/internal/test/inl_test.go
+++ b/src/cmd/compile/internal/test/inl_test.go
@@ -218,10 +218,10 @@ func TestIntendedInlining(t *testing.T) {
 		},
 	}
 
-	if runtime.GOARCH != "386" && runtime.GOARCH != "mips64" && runtime.GOARCH != "mips64le" && runtime.GOARCH != "riscv64" {
+	if runtime.GOARCH != "386" && runtime.GOARCH != "loong64" && runtime.GOARCH != "mips64" && runtime.GOARCH != "mips64le" && runtime.GOARCH != "riscv64" {
 		// nextFreeFast calls sys.Ctz64, which on 386 is implemented in asm and is not inlinable.
 		// We currently don't have midstack inlining so nextFreeFast is also not inlinable on 386.
-		// On mips64x and riscv64, Ctz64 is not intrinsified and causes nextFreeFast too expensive
+		// On loong64, mips64x and riscv64, Ctz64 is not intrinsified and causes nextFreeFast too expensive
 		// to inline (Issue 22239).
 		want["runtime"] = append(want["runtime"], "nextFreeFast")
 	}