diff --git a/tests/scripts/components-compiler.sh b/tests/scripts/components-compiler.sh
index 069edb8..f5831e5 100644
--- a/tests/scripts/components-compiler.sh
+++ b/tests/scripts/components-compiler.sh
@@ -10,3 +10,324 @@
 ################################################################
 
 
+support_build_tfm_armcc () {
+    support_build_armcc
+}
+
+component_build_tfm_armcc() {
+    # test the TF-M configuration can build cleanly with various warning flags enabled
+    cp configs/config-tfm.h "$CONFIG_H"
+
+    msg "build: TF-M config, armclang armv7-m thumb2"
+    armc6_build_test "--target=arm-arm-none-eabi -march=armv7-m -mthumb -Os -std=c99 -Werror -Wall -Wextra -Wwrite-strings -Wpointer-arith -Wimplicit-fallthrough -Wshadow -Wvla -Wformat=2 -Wno-format-nonliteral -Wshadow -Wasm-operand-widths -Wunused -I../tests/include/spe"
+}
+
+support_test_aesni_m32_clang() {
+    # clang >= 4 is required to build with target attributes
+    support_test_aesni_m32 && [[ $(clang_version) -ge 4 ]]
+}
+
+component_test_aesni_m32_clang() {
+
+    scripts/config.py set MBEDTLS_AESNI_C
+    scripts/config.py unset MBEDTLS_AES_USE_HARDWARE_ONLY
+    scripts/config.py set MBEDTLS_HAVE_ASM
+
+    # test the intrinsics implementation with clang
+    msg "AES tests, test intrinsics (clang)"
+    make clean
+    make CC=clang CFLAGS='-m32 -Werror -Wall -Wextra' LDFLAGS='-m32'
+    # check that we built intrinsics - this should be used by default when supported by the compiler
+    ./programs/test/selftest aes | grep "AESNI code" | grep -q "intrinsics"
+    grep -q "AES note: using AESNI" ./programs/test/selftest
+    grep -q "AES note: built-in implementation." ./programs/test/selftest
+    grep -q mbedtls_aesni_has_support ./programs/test/selftest
+}
+
+# For timebeing, no aarch64 gcc available in CI and no arm64 CI node.
+
+support_build_aes_aesce_armcc () {
+    support_build_armcc
+}
+
+support_test_block_cipher_no_decrypt_aesce_armcc () {
+    support_build_armcc
+}
+
+test_build_opt () {
+    info=$1 cc=$2; shift 2
+    $cc --version
+    for opt in "$@"; do
+          msg "build/test: $cc $opt, $info" # ~ 30s
+          make CC="$cc" CFLAGS="$opt -std=c99 -pedantic -Wall -Wextra -Werror"
+          # We're confident enough in compilers to not run _all_ the tests,
+          # but at least run the unit tests. In particular, runs with
+          # optimizations use inline assembly whereas runs with -O0
+          # skip inline assembly.
+          make test # ~30s
+          make clean
+    done
+}
+
+# For FreeBSD we invoke the function by name so this condition is added
+# to disable the existing test_clang_opt function for linux.
+if [[ $(uname) != "Linux" ]]; then
+    component_test_clang_opt () {
+        scripts/config.py full
+        test_build_opt 'full config' clang -O0 -Os -O2
+    }
+fi
+
+component_test_clang_latest_opt () {
+    scripts/config.py full
+    test_build_opt 'full config' "$CLANG_LATEST" -O0 -Os -O2
+}
+
+support_test_clang_latest_opt () {
+    type "$CLANG_LATEST" >/dev/null 2>/dev/null
+}
+
+component_test_clang_earliest_opt () {
+    scripts/config.py full
+    test_build_opt 'full config' "$CLANG_EARLIEST" -O0
+}
+
+support_test_clang_earliest_opt () {
+    type "$CLANG_EARLIEST" >/dev/null 2>/dev/null
+}
+
+component_test_gcc_latest_opt () {
+    scripts/config.py full
+    test_build_opt 'full config' "$GCC_LATEST" -O0 -Os -O2
+}
+
+support_test_gcc_latest_opt () {
+    type "$GCC_LATEST" >/dev/null 2>/dev/null
+}
+
+component_test_gcc_earliest_opt () {
+    scripts/config.py full
+    test_build_opt 'full config' "$GCC_EARLIEST" -O0
+}
+
+support_test_gcc_earliest_opt () {
+    type "$GCC_EARLIEST" >/dev/null 2>/dev/null
+}
+
+component_build_arm_none_eabi_gcc () {
+    msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc -O1, baremetal+debug" # ~ 10s
+    scripts/config.py baremetal
+    make CC="${ARM_NONE_EABI_GCC_PREFIX}gcc" AR="${ARM_NONE_EABI_GCC_PREFIX}ar" LD="${ARM_NONE_EABI_GCC_PREFIX}ld" CFLAGS='-std=c99 -Werror -Wall -Wextra -O1' lib
+
+    msg "size: ${ARM_NONE_EABI_GCC_PREFIX}gcc -O1, baremetal+debug"
+    ${ARM_NONE_EABI_GCC_PREFIX}size -t library/*.o
+    ${ARM_NONE_EABI_GCC_PREFIX}size -t ${PSA_CORE_PATH}/*.o
+    ${ARM_NONE_EABI_GCC_PREFIX}size -t ${BUILTIN_SRC_PATH}/*.o
+}
+
+component_build_arm_linux_gnueabi_gcc_arm5vte () {
+    msg "build: ${ARM_LINUX_GNUEABI_GCC_PREFIX}gcc -march=arm5vte, baremetal+debug" # ~ 10s
+    scripts/config.py baremetal
+    # Build for a target platform that's close to what Debian uses
+    # for its "armel" distribution (https://wiki.debian.org/ArmEabiPort).
+    # See https://github.com/Mbed-TLS/mbedtls/pull/2169 and comments.
+    # Build everything including programs, see for example
+    # https://github.com/Mbed-TLS/mbedtls/pull/3449#issuecomment-675313720
+    make CC="${ARM_LINUX_GNUEABI_GCC_PREFIX}gcc" AR="${ARM_LINUX_GNUEABI_GCC_PREFIX}ar" CFLAGS='-Werror -Wall -Wextra -march=armv5te -O1' LDFLAGS='-march=armv5te'
+
+    msg "size: ${ARM_LINUX_GNUEABI_GCC_PREFIX}gcc -march=armv5te -O1, baremetal+debug"
+    ${ARM_LINUX_GNUEABI_GCC_PREFIX}size -t library/*.o
+    ${ARM_LINUX_GNUEABI_GCC_PREFIX}size -t ${PSA_CORE_PATH}/*.o
+    ${ARM_LINUX_GNUEABI_GCC_PREFIX}size -t ${BUILTIN_SRC_PATH}/*.o
+}
+
+support_build_arm_linux_gnueabi_gcc_arm5vte () {
+    type ${ARM_LINUX_GNUEABI_GCC_PREFIX}gcc >/dev/null 2>&1
+}
+
+component_build_arm_none_eabi_gcc_arm5vte () {
+    msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc -march=arm5vte, baremetal+debug" # ~ 10s
+    scripts/config.py baremetal
+    # This is an imperfect substitute for
+    # component_build_arm_linux_gnueabi_gcc_arm5vte
+    # in case the gcc-arm-linux-gnueabi toolchain is not available
+    make CC="${ARM_NONE_EABI_GCC_PREFIX}gcc" AR="${ARM_NONE_EABI_GCC_PREFIX}ar" CFLAGS='-std=c99 -Werror -Wall -Wextra -march=armv5te -O1' LDFLAGS='-march=armv5te' SHELL='sh -x' lib
+
+    msg "size: ${ARM_NONE_EABI_GCC_PREFIX}gcc -march=armv5te -O1, baremetal+debug"
+    ${ARM_NONE_EABI_GCC_PREFIX}size -t library/*.o
+    ${ARM_NONE_EABI_GCC_PREFIX}size -t ${PSA_CORE_PATH}/*.o
+    ${ARM_NONE_EABI_GCC_PREFIX}size -t ${BUILTIN_SRC_PATH}/*.o
+}
+
+component_build_arm_none_eabi_gcc_m0plus () {
+    msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc -mthumb -mcpu=cortex-m0plus, baremetal_size" # ~ 10s
+    scripts/config.py baremetal_size
+    make CC="${ARM_NONE_EABI_GCC_PREFIX}gcc" AR="${ARM_NONE_EABI_GCC_PREFIX}ar" LD="${ARM_NONE_EABI_GCC_PREFIX}ld" CFLAGS='-std=c99 -Werror -Wall -Wextra -mthumb -mcpu=cortex-m0plus -Os' lib
+
+    msg "size: ${ARM_NONE_EABI_GCC_PREFIX}gcc -mthumb -mcpu=cortex-m0plus -Os, baremetal_size"
+    ${ARM_NONE_EABI_GCC_PREFIX}size -t library/*.o
+    ${ARM_NONE_EABI_GCC_PREFIX}size -t ${PSA_CORE_PATH}/*.o
+    ${ARM_NONE_EABI_GCC_PREFIX}size -t ${BUILTIN_SRC_PATH}/*.o
+    for lib in library/*.a; do
+        echo "$lib:"
+        ${ARM_NONE_EABI_GCC_PREFIX}size -t $lib | grep TOTALS
+    done
+}
+
+component_build_arm_none_eabi_gcc_no_udbl_division () {
+    msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc -DMBEDTLS_NO_UDBL_DIVISION, make" # ~ 10s
+    scripts/config.py baremetal
+    scripts/config.py set MBEDTLS_NO_UDBL_DIVISION
+    make CC="${ARM_NONE_EABI_GCC_PREFIX}gcc" AR="${ARM_NONE_EABI_GCC_PREFIX}ar" LD="${ARM_NONE_EABI_GCC_PREFIX}ld" CFLAGS='-std=c99 -Werror -Wall -Wextra' lib
+    echo "Checking that software 64-bit division is not required"
+    not grep __aeabi_uldiv library/*.o
+    not grep __aeabi_uldiv ${PSA_CORE_PATH}/*.o
+    not grep __aeabi_uldiv ${BUILTIN_SRC_PATH}/*.o
+}
+
+component_build_arm_none_eabi_gcc_no_64bit_multiplication () {
+    msg "build: ${ARM_NONE_EABI_GCC_PREFIX}gcc MBEDTLS_NO_64BIT_MULTIPLICATION, make" # ~ 10s
+    scripts/config.py baremetal
+    scripts/config.py set MBEDTLS_NO_64BIT_MULTIPLICATION
+    make CC="${ARM_NONE_EABI_GCC_PREFIX}gcc" AR="${ARM_NONE_EABI_GCC_PREFIX}ar" LD="${ARM_NONE_EABI_GCC_PREFIX}ld" CFLAGS='-std=c99 -Werror -O1 -march=armv6-m -mthumb' lib
+    echo "Checking that software 64-bit multiplication is not required"
+    not grep __aeabi_lmul library/*.o
+    not grep __aeabi_lmul ${PSA_CORE_PATH}/*.o
+    not grep __aeabi_lmul ${BUILTIN_SRC_PATH}/*.o
+}
+
+component_build_arm_clang_thumb () {
+    # ~ 30s
+
+    scripts/config.py baremetal
+
+    msg "build: clang thumb 2, make"
+    make clean
+    make CC="clang" CFLAGS='-std=c99 -Werror -Os --target=arm-linux-gnueabihf -march=armv7-m -mthumb' lib
+
+    # Some Thumb 1 asm is sensitive to optimisation level, so test both -O0 and -Os
+    msg "build: clang thumb 1 -O0, make"
+    make clean
+    make CC="clang" CFLAGS='-std=c99 -Werror -O0 --target=arm-linux-gnueabihf -mcpu=arm1136j-s -mthumb' lib
+
+    msg "build: clang thumb 1 -Os, make"
+    make clean
+    make CC="clang" CFLAGS='-std=c99 -Werror -Os --target=arm-linux-gnueabihf -mcpu=arm1136j-s -mthumb' lib
+}
+
+component_build_armcc () {
+    msg "build: ARM Compiler 5"
+    scripts/config.py baremetal
+    # armc[56] don't support SHA-512 intrinsics
+    scripts/config.py unset MBEDTLS_SHA512_USE_A64_CRYPTO_IF_PRESENT
+
+    # older versions of armcc/armclang don't support AESCE_C on 32-bit Arm
+    scripts/config.py unset MBEDTLS_AESCE_C
+
+    # Stop armclang warning about feature detection for A64_CRYPTO.
+    # With this enabled, the library does build correctly under armclang,
+    # but in baremetal builds (as tested here), feature detection is
+    # unavailable, and the user is notified via a #warning. So enabling
+    # this feature would prevent us from building with -Werror on
+    # armclang. Tracked in #7198.
+    scripts/config.py unset MBEDTLS_SHA256_USE_ARMV8_A_CRYPTO_IF_PRESENT
+
+    scripts/config.py set MBEDTLS_HAVE_ASM
+
+    make CC="$ARMC5_CC" AR="$ARMC5_AR" WARNING_CFLAGS='--strict --c99' lib
+
+    msg "size: ARM Compiler 5"
+    "$ARMC5_FROMELF" -z library/*.o
+    "$ARMC5_FROMELF" -z ${PSA_CORE_PATH}/*.o
+    "$ARMC5_FROMELF" -z ${BUILTIN_SRC_PATH}/*.o
+
+    # Compile mostly with -O1 since some Arm inline assembly is disabled for -O0.
+
+    # ARM Compiler 6 - Target ARMv7-A
+    armc6_build_test "-O1 --target=arm-arm-none-eabi -march=armv7-a"
+
+    # ARM Compiler 6 - Target ARMv7-M
+    armc6_build_test "-O1 --target=arm-arm-none-eabi -march=armv7-m"
+
+    # ARM Compiler 6 - Target ARMv7-M+DSP
+    armc6_build_test "-O1 --target=arm-arm-none-eabi -march=armv7-m+dsp"
+
+    # ARM Compiler 6 - Target ARMv8-A - AArch32
+    armc6_build_test "-O1 --target=arm-arm-none-eabi -march=armv8.2-a"
+
+    # ARM Compiler 6 - Target ARMv8-M
+    armc6_build_test "-O1 --target=arm-arm-none-eabi -march=armv8-m.main"
+
+    # ARM Compiler 6 - Target Cortex-M0 - no optimisation
+    armc6_build_test "-O0 --target=arm-arm-none-eabi -mcpu=cortex-m0"
+
+    # ARM Compiler 6 - Target Cortex-M0
+    armc6_build_test "-Os --target=arm-arm-none-eabi -mcpu=cortex-m0"
+
+    # ARM Compiler 6 - Target ARMv8.2-A - AArch64
+    #
+    # Re-enable MBEDTLS_AESCE_C as this should be supported by the version of armclang
+    # that we have in our CI
+    scripts/config.py set MBEDTLS_AESCE_C
+    armc6_build_test "-O1 --target=aarch64-arm-none-eabi -march=armv8.2-a+crypto"
+}
+
+support_build_armcc () {
+    armc5_cc="$ARMC5_BIN_DIR/armcc"
+    armc6_cc="$ARMC6_BIN_DIR/armclang"
+    (check_tools "$armc5_cc" "$armc6_cc" > /dev/null 2>&1)
+}
+
+component_build_mingw () {
+    msg "build: Windows cross build - mingw64, make (Link Library)" # ~ 30s
+    make CC=i686-w64-mingw32-gcc AR=i686-w64-mingw32-ar LD=i686-w64-minggw32-ld CFLAGS='-Werror -Wall -Wextra -maes -msse2 -mpclmul' WINDOWS_BUILD=1 lib programs
+
+    # note Make tests only builds the tests, but doesn't run them
+    make CC=i686-w64-mingw32-gcc AR=i686-w64-mingw32-ar LD=i686-w64-minggw32-ld CFLAGS='-Werror -maes -msse2 -mpclmul' WINDOWS_BUILD=1 tests
+    make WINDOWS_BUILD=1 clean
+
+    msg "build: Windows cross build - mingw64, make (DLL)" # ~ 30s
+    make CC=i686-w64-mingw32-gcc AR=i686-w64-mingw32-ar LD=i686-w64-minggw32-ld CFLAGS='-Werror -Wall -Wextra -maes -msse2 -mpclmul' WINDOWS_BUILD=1 SHARED=1 lib programs
+    make CC=i686-w64-mingw32-gcc AR=i686-w64-mingw32-ar LD=i686-w64-minggw32-ld CFLAGS='-Werror -Wall -Wextra -maes -msse2 -mpclmul' WINDOWS_BUILD=1 SHARED=1 tests
+    make WINDOWS_BUILD=1 clean
+
+    msg "build: Windows cross build - mingw64, make (Library only, default config without MBEDTLS_AESNI_C)" # ~ 30s
+    ./scripts/config.py unset MBEDTLS_AESNI_C #
+    make CC=i686-w64-mingw32-gcc AR=i686-w64-mingw32-ar LD=i686-w64-minggw32-ld CFLAGS='-Werror -Wall -Wextra' WINDOWS_BUILD=1 lib
+    make WINDOWS_BUILD=1 clean
+}
+
+support_build_mingw() {
+    case $(i686-w64-mingw32-gcc -dumpversion 2>/dev/null) in
+        [0-5]*|"") false;;
+        *) true;;
+    esac
+}
+
+component_test_zeroize () {
+    # Test that the function mbedtls_platform_zeroize() is not optimized away by
+    # different combinations of compilers and optimization flags by using an
+    # auxiliary GDB script. Unfortunately, GDB does not return error values to the
+    # system in all cases that the script fails, so we must manually search the
+    # output to check whether the pass string is present and no failure strings
+    # were printed.
+
+    # Don't try to disable ASLR. We don't care about ASLR here. We do care
+    # about a spurious message if Gdb tries and fails, so suppress that.
+    gdb_disable_aslr=
+    if [ -z "$(gdb -batch -nw -ex 'set disable-randomization off' 2>&1)" ]; then
+        gdb_disable_aslr='set disable-randomization off'
+    fi
+
+    for optimization_flag in -O2 -O3 -Ofast -Os; do
+        for compiler in clang gcc; do
+            msg "test: $compiler $optimization_flag, mbedtls_platform_zeroize()"
+            make programs CC="$compiler" DEBUG=1 CFLAGS="$optimization_flag"
+            gdb -ex "$gdb_disable_aslr" -x tests/scripts/test_zeroize.gdb -nw -batch -nx 2>&1 | tee test_zeroize.log
+            grep "The buffer was correctly zeroized" test_zeroize.log
+            not grep -i "error" test_zeroize.log
+            rm -f test_zeroize.log
+            make clean
+        done
+    done
+}