diff --git a/.github/workflows/ccpp.yml b/.github/workflows/ccpp.yml
index 3ce42b11c..40e058677 100644
--- a/.github/workflows/ccpp.yml
+++ b/.github/workflows/ccpp.yml
@@ -76,3 +76,10 @@ jobs:
       shell: bash
       # Execute the gvisor tests
       run: cmake --build . --config $BUILD_TYPE --target gvisor_tests
+
+    - name: gcc target tests 64
+      working-directory: ${{runner.workspace}}/build
+      shell: bash
+      # Execute the gvisor tests
+      run: cmake --build . --config $BUILD_TYPE --target gcc_target_tests_64
+
diff --git a/.gitmodules b/.gitmodules
index dee929ca1..10335b78c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -26,3 +26,7 @@
         shallow = true
 	path = External/fex-gvisor-tests-bins
 	url = https://github.com/FEX-Emu/fex-gvisor-tests-bins.git
+[submodule "External/fex-gcc-target-tests-bins"]
+        shallow = true
+	path = External/fex-gcc-target-tests-bins
+	url = https://github.com/FEX-Emu/fex-gcc-target-tests-bins.git
diff --git a/External/fex-gcc-target-tests-bins b/External/fex-gcc-target-tests-bins
new file mode 160000
index 000000000..9f83d474b
--- /dev/null
+++ b/External/fex-gcc-target-tests-bins
@@ -0,0 +1 @@
+Subproject commit 9f83d474bb992a917ceeb5f5e727eeb7e28a42c6
diff --git a/Scripts/guest_test_runner.py b/Scripts/guest_test_runner.py
index f5e60e9fb..bcf366bab 100644
--- a/Scripts/guest_test_runner.py
+++ b/Scripts/guest_test_runner.py
@@ -58,8 +58,12 @@ else:
     Process.wait()
     ResultCode = Process.returncode
 
-if (not test_name in expected_output or expected_output[test_name] != ResultCode):
-    if expected_output.get(test_name):
+# expect zero by default
+if (not test_name in expected_output):
+    expected_output[test_name] = 0
+
+if (expected_output[test_name] != ResultCode):
+    if (test_name in expected_output):
         print("test failed, expected is", expected_output[test_name], "but got", ResultCode)
     else:
         print("Test doesn't have expected output,", test_name)
diff --git a/unittests/CMakeLists.txt b/unittests/CMakeLists.txt
index b557c9bfe..969ba2d2b 100644
--- a/unittests/CMakeLists.txt
+++ b/unittests/CMakeLists.txt
@@ -3,3 +3,5 @@ add_subdirectory(32Bit_ASM/)
 add_subdirectory(IR/)
 add_subdirectory(POSIX/)
 add_subdirectory(gvisor-tests/)
+add_subdirectory(gcc-target-tests-32/)
+add_subdirectory(gcc-target-tests-64/)
diff --git a/unittests/gcc-target-tests-32/CMakeLists.txt b/unittests/gcc-target-tests-32/CMakeLists.txt
new file mode 100644
index 000000000..0839f070e
--- /dev/null
+++ b/unittests/gcc-target-tests-32/CMakeLists.txt
@@ -0,0 +1,33 @@
+
+# Careful. Globbing can't see changes to the contents of files
+# Need to do a fresh clean to see changes
+file(GLOB_RECURSE TESTS CONFIGURE_DEPENDS ${CMAKE_SOURCE_DIR}/External/fex-gcc-target-tests-bins/32/*)
+
+foreach(TEST ${TESTS})
+
+  string(REPLACE "/fex-gcc-target-tests-bins/32/" ";" TEST_NAME_LIST ${TEST})
+  list(GET TEST_NAME_LIST 1 TEST_NAME)
+  string(REPLACE "/" "-" TEST_NAME ${TEST_NAME})
+
+  # Interpreter is too slow to run these tests, only generate for jit
+
+  add_test(NAME "${TEST_NAME}.jit.gcc-target-32"
+    COMMAND "python3" "${CMAKE_SOURCE_DIR}/Scripts/guest_test_runner.py"
+    "${CMAKE_SOURCE_DIR}/unittests/gcc-target-tests-32/Known_Failures"
+    "${CMAKE_SOURCE_DIR}/unittests/gcc-target-tests-32/Expected_Output"
+    "${CMAKE_SOURCE_DIR}/unittests/gcc-target-tests-32/Disabled_Tests"
+    "${TEST_NAME}"
+    "${CMAKE_BINARY_DIR}/Bin/FEXLoader"
+    "-c" "irjit" "-n" "500" "-R" $ENV{ROOTFS} "--"
+    "${TEST}")
+
+endforeach()
+
+execute_process(COMMAND "nproc" OUTPUT_VARIABLE CORES)
+string(STRIP ${CORES} CORES)
+
+add_custom_target(
+  gcc_target_tests_32
+  WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
+  USES_TERMINAL
+  COMMAND "ctest" "--timeout" "20" "-j${CORES}" "-R" "\.*.gcc-target-32$$")
diff --git a/unittests/gcc-target-tests-32/Disabled_Tests b/unittests/gcc-target-tests-32/Disabled_Tests
new file mode 100644
index 000000000..e69de29bb
diff --git a/unittests/gcc-target-tests-32/Expected_Output b/unittests/gcc-target-tests-32/Expected_Output
new file mode 100644
index 000000000..ce6e06faa
--- /dev/null
+++ b/unittests/gcc-target-tests-32/Expected_Output
@@ -0,0 +1 @@
+# default to zero
\ No newline at end of file
diff --git a/unittests/gcc-target-tests-32/Known_Failures b/unittests/gcc-target-tests-32/Known_Failures
new file mode 100644
index 000000000..8668627e4
--- /dev/null
+++ b/unittests/gcc-target-tests-32/Known_Failures
@@ -0,0 +1,9 @@
+pr72867.c.gcc-target-test-32
+pr88240.c.gcc-target-test-32
+sse2-mmx-cvtps2pi.c.gcc-target-test-32
+sse2-mmx-cvttps2pi.c.gcc-target-test-32
+sse2-mmx-pextrw.c.gcc-target-test-32
+sse2-mmx-psraw.c.gcc-target-test-32
+sse2-mmx-psrawi.c.gcc-target-test-32
+sse2-psraw-1.c.gcc-target-test-32
+sse2-shiftqihi-constant-2.c.gcc-target-test-32
\ No newline at end of file
diff --git a/unittests/gcc-target-tests-64/CMakeLists.txt b/unittests/gcc-target-tests-64/CMakeLists.txt
new file mode 100644
index 000000000..a6a521a06
--- /dev/null
+++ b/unittests/gcc-target-tests-64/CMakeLists.txt
@@ -0,0 +1,33 @@
+
+# Careful. Globbing can't see changes to the contents of files
+# Need to do a fresh clean to see changes
+file(GLOB_RECURSE TESTS CONFIGURE_DEPENDS ${CMAKE_SOURCE_DIR}/External/fex-gcc-target-tests-bins/64/*)
+
+foreach(TEST ${TESTS})
+
+  string(REPLACE "/fex-gcc-target-tests-bins/64/" ";" TEST_NAME_LIST ${TEST})
+  list(GET TEST_NAME_LIST 1 TEST_NAME)
+  string(REPLACE "/" "-" TEST_NAME ${TEST_NAME})
+
+  # Interpreter is too slow to run these tests, only generate for jit
+
+  add_test(NAME "${TEST_NAME}.jit.gcc-target-64"
+    COMMAND "python3" "${CMAKE_SOURCE_DIR}/Scripts/guest_test_runner.py"
+    "${CMAKE_SOURCE_DIR}/unittests/gcc-target-tests-64/Known_Failures"
+    "${CMAKE_SOURCE_DIR}/unittests/gcc-target-tests-64/Expected_Output"
+    "${CMAKE_SOURCE_DIR}/unittests/gcc-target-tests-64/Disabled_Tests"
+    "${TEST_NAME}"
+    "${CMAKE_BINARY_DIR}/Bin/FEXLoader"
+    "-c" "irjit" "-n" "500" "-R" $ENV{ROOTFS} "--"
+    "${TEST}")
+
+endforeach()
+
+execute_process(COMMAND "nproc" OUTPUT_VARIABLE CORES)
+string(STRIP ${CORES} CORES)
+
+add_custom_target(
+  gcc_target_tests_64
+  WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
+  USES_TERMINAL
+  COMMAND "ctest" "--timeout" "20" "-j${CORES}" "-R" "\.*.gcc-target-64$$")
diff --git a/unittests/gcc-target-tests-64/Disabled_Tests b/unittests/gcc-target-tests-64/Disabled_Tests
new file mode 100644
index 000000000..0a2f731aa
--- /dev/null
+++ b/unittests/gcc-target-tests-64/Disabled_Tests
@@ -0,0 +1,9 @@
+# these fail on arm
+pr72867.c.gcc-target-test-64
+sse2-mmx-pslld.c.gcc-target-test-64
+sse2-mmx-psllq.c.gcc-target-test-64
+sse2-mmx-psllw.c.gcc-target-test-64
+sse2-mmx-psrad.c.gcc-target-test-64
+sse2-mmx-psrld.c.gcc-target-test-64
+sse2-mmx-psrlq.c.gcc-target-test-64
+sse2-mmx-psrlw.c.gcc-target-test-64
\ No newline at end of file
diff --git a/unittests/gcc-target-tests-64/Expected_Output b/unittests/gcc-target-tests-64/Expected_Output
new file mode 100644
index 000000000..ce6e06faa
--- /dev/null
+++ b/unittests/gcc-target-tests-64/Expected_Output
@@ -0,0 +1 @@
+# default to zero
\ No newline at end of file
diff --git a/unittests/gcc-target-tests-64/Known_Failures b/unittests/gcc-target-tests-64/Known_Failures
new file mode 100644
index 000000000..9178ef94b
--- /dev/null
+++ b/unittests/gcc-target-tests-64/Known_Failures
@@ -0,0 +1,20 @@
+# these fail on x86 and arm
+asm-5.c.gcc-target-test-64
+pr88240.c.gcc-target-test-64
+sse2-mmx-cvtps2pi.c.gcc-target-test-64
+sse2-mmx-cvttps2pi.c.gcc-target-test-64
+sse2-mmx-pextrw.c.gcc-target-test-64
+sse2-mmx-psraw.c.gcc-target-test-64
+sse2-mmx-psrawi.c.gcc-target-test-64
+sse2-psraw-1.c.gcc-target-test-64
+sse2-shiftqihi-constant-2.c.gcc-target-test-64
+
+# these fail on arm
+pr72867.c.gcc-target-test-64
+sse2-mmx-pslld.c.gcc-target-test-64
+sse2-mmx-psllq.c.gcc-target-test-64
+sse2-mmx-psllw.c.gcc-target-test-64
+sse2-mmx-psrad.c.gcc-target-test-64
+sse2-mmx-psrld.c.gcc-target-test-64
+sse2-mmx-psrlq.c.gcc-target-test-64
+sse2-mmx-psrlw.c.gcc-target-test-64
\ No newline at end of file