Optimize selection of HSWISH microkernels in WAsm SIMD

PiperOrigin-RevId: 318493904
diff --git a/BUILD.bazel b/BUILD.bazel
index 19dc042..a2eebc3 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -611,8 +611,10 @@
     "src/f32-igemm/gen/6x8s4-minmax-wasmsimd-x86.c",
     "src/f32-hswish/gen/wasmsimd-arm-x4.c",
     "src/f32-hswish/gen/wasmsimd-arm-x8.c",
+    "src/f32-hswish/gen/wasmsimd-arm-x16.c",
     "src/f32-hswish/gen/wasmsimd-x86-x4.c",
     "src/f32-hswish/gen/wasmsimd-x86-x8.c",
+    "src/f32-hswish/gen/wasmsimd-x86-x16.c",
     "src/f32-prelu/gen/wasmsimd-bitselect-2x4.c",
     "src/f32-prelu/gen/wasmsimd-bitselect-2x8.c",
     "src/f32-prelu/gen/wasmsimd-minmax-2x4.c",