diff --git a/library/stdarch/.github/workflows/main.yml b/library/stdarch/.github/workflows/main.yml
index b852110a3258..28c15cf4734a 100644
--- a/library/stdarch/.github/workflows/main.yml
+++ b/library/stdarch/.github/workflows/main.yml
@@ -260,6 +260,7 @@ jobs:
           - aarch64_be-unknown-linux-gnu
           - armv7-unknown-linux-gnueabihf
           - arm-unknown-linux-gnueabihf
+          - x86_64-unknown-linux-gnu
         profile: [dev, release]
         include:
           - target: aarch64_be-unknown-linux-gnu
diff --git a/library/stdarch/ci/intrinsic-test.sh b/library/stdarch/ci/intrinsic-test.sh
index 469e9e21c74c..e14a824b2ae6 100755
--- a/library/stdarch/ci/intrinsic-test.sh
+++ b/library/stdarch/ci/intrinsic-test.sh
@@ -66,6 +66,14 @@ case ${TARGET} in
         TEST_CXX_COMPILER="clang++"
         TEST_RUNNER="${CARGO_TARGET_ARMV7_UNKNOWN_LINUX_GNUEABIHF_RUNNER}"
         ;;
+
+    x86_64-unknown-linux-gnu*)
+        TEST_CPPFLAGS="-fuse-ld=lld -I/usr/include/x86_64-linux-gnu/"
+        TEST_CXX_COMPILER="clang++"
+        TEST_RUNNER="${CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUNNER}"
+        TEST_SKIP_INTRINSICS=crates/intrinsic-test/missing_x86.txt
+        TEST_SAMPLE_INTRINSICS_PERCENTAGE=5
+        ;;
     *)
         ;;
 
@@ -94,6 +102,22 @@ case "${TARGET}" in
             --linker "${CARGO_TARGET_AARCH64_BE_UNKNOWN_LINUX_GNU_LINKER}" \
             --cxx-toolchain-dir "${AARCH64_BE_TOOLCHAIN}"
         ;;
+
+    x86_64-unknown-linux-gnu*)
+        # `CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUNNER` is not necessary for `intrinsic-test`
+        # because the binary needs to run directly on the host.
+        # Hence the use of `env -u`.
+        env -u CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUNNER \
+            CPPFLAGS="${TEST_CPPFLAGS}" RUSTFLAGS="${HOST_RUSTFLAGS}" \
+            RUST_LOG=warn RUST_BACKTRACE=1 \
+            cargo run "${INTRINSIC_TEST}" "${PROFILE}"  \
+            --bin intrinsic-test -- intrinsics_data/x86-intel.xml \
+            --runner "${TEST_RUNNER}" \
+            --skip "${TEST_SKIP_INTRINSICS}" \
+            --cppcompiler "${TEST_CXX_COMPILER}" \
+            --target "${TARGET}" \
+            --sample-percentage "${TEST_SAMPLE_INTRINSICS_PERCENTAGE}"
+        ;;
      *)
         ;;
 esac
diff --git a/library/stdarch/ci/run.sh b/library/stdarch/ci/run.sh
index 48dfe2a77dcd..2bb77bae256f 100755
--- a/library/stdarch/ci/run.sh
+++ b/library/stdarch/ci/run.sh
@@ -90,11 +90,6 @@ fi
 # Test targets compiled with extra features.
 case ${TARGET} in
     x86_64-unknown-linux-gnu)
-        TEST_CPPFLAGS="-fuse-ld=lld -I/usr/include/x86_64-linux-gnu/"
-        TEST_CXX_COMPILER="clang++"
-        TEST_RUNNER="${CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUNNER}"
-        TEST_SKIP_INTRINSICS=crates/intrinsic-test/missing_x86.txt
-        TEST_SAMPLE_INTRINSICS_PERCENTAGE=5
         export STDARCH_DISABLE_ASSERT_INSTR=1
 
         export RUSTFLAGS="${RUSTFLAGS} -C target-feature=+avx"