diff --git a/.github/workflows/spec_test_on_nuttx.yml b/.github/workflows/spec_test_on_nuttx.yml
index 5f6be08a..35c588d8 100644
--- a/.github/workflows/spec_test_on_nuttx.yml
+++ b/.github/workflows/spec_test_on_nuttx.yml
@@ -25,7 +25,7 @@ jobs:
         wamr_test_option: [
           # "-t fast-interp",
           "-t aot",
-          # "-t aot -X"
+          "-t aot -X"
         ]
     steps:
       - name: Install Utilities
diff --git a/tests/wamr-test-suites/spec-test-script/runtest.py b/tests/wamr-test-suites/spec-test-script/runtest.py
index ad181646..a61f03b1 100755
--- a/tests/wamr-test-suites/spec-test-script/runtest.py
+++ b/tests/wamr-test-suites/spec-test-script/runtest.py
@@ -948,15 +948,15 @@ def compile_wasm_to_aot(wasm_tempfile, aot_tempfile, runner, opts, r, output = '
     elif test_target == "armv7":
         cmd += ["--target=armv7", "--target-abi=gnueabihf"]
     elif test_target == "thumbv7":
-        cmd += ["--target=thumbv7", "--target-abi=gnueabihf", "--cpu=cortex-a9"]
+        cmd += ["--target=thumbv7", "--target-abi=gnueabihf", "--cpu=cortex-a9", "--cpu-features=-neon"]
     elif test_target == "riscv32_ilp32":
-        cmd += ["--target=riscv32", "--target-abi=ilp32"]
+        cmd += ["--target=riscv32", "--target-abi=ilp32", "--cpu=generic-rv32", "--cpu-features=+m,+a,+c"]
     elif test_target == "riscv32_ilp32d":
-        cmd += ["--target=riscv32", "--target-abi=ilp32d"]
+        cmd += ["--target=riscv32", "--target-abi=ilp32d", "--cpu=generic-rv32", "--cpu-features=+m,+a,+c"]
     elif test_target == "riscv64_lp64":
-        cmd += ["--target=riscv64", "--target-abi=lp64"]
+        cmd += ["--target=riscv64", "--target-abi=lp64", "--cpu=generic-rv64", "--cpu-features=+m,+a,+c"]
     elif test_target == "riscv64_lp64d":
-        cmd += ["--target=riscv64", "--target-abi=lp64d"]
+        cmd += ["--target=riscv64", "--target-abi=lp64d", "--cpu=generic-rv32", "--cpu-features=+m,+a,+c"]
     else:
         pass