diff --git a/lib/compiler_rt/extendf_test.zig b/lib/compiler_rt/extendf_test.zig
index bc154e7504299c45a6a8743ce9c9192a5562e12e..20273507d16d1a992a983674ccf37ff917a90106 100644
--- a/lib/compiler_rt/extendf_test.zig
+++ b/lib/compiler_rt/extendf_test.zig
@@ -110,6 +110,8 @@ test "extenddfxf2" {
 }
 
 test "extenddftf2" {
+    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+
     // qNaN
     try test__extenddftf2(makeQNaN64(), 0x7fff800000000000, 0x0);