--- a/third_party/xnnpack/generate_build_gn.py
+++ b/third_party/xnnpack/generate_build_gn.py
@@ -219,6 +219,9 @@
     _Platform(gn_cpu='arm64',
               bazel_cpu='aarch64',
               bazel_platform='//:linux_aarch64'),
+    _Platform(gn_cpu='ppc64',
+              bazel_cpu='ppc64le',
+              bazel_platform='//:linux_ppc64le'),
     _Platform(gn_cpu='riscv64',
               bazel_cpu='riscv64',
               bazel_platform='//:linux_riscv64')
--- a/third_party/xnnpack/bazelroot/BUILD
+++ b/third_party/xnnpack/bazelroot/BUILD
@@ -21,6 +21,14 @@
     ],
 )
 
+platform(
+    name = "linux_ppc64le",
+    constraint_values = [
+        "@platforms//os:linux",
+        "@platforms//cpu:ppc64le",
+    ],
+)
+
 # A dummy clang toolchain for building them for any arch.
 
 filegroup(name = "empty")