Enable AMD64 AES implementation for WIN64
* cipher/rijndael-amd64.S: Enable when HAVE_COMPATIBLE_GCC_WIN64_PLATFORM_AS defined. (ELF): New macro to mask lines with ELF specific commands. * cipher/rijndael-internal.h (USE_AMD64_ASM): Enable when HAVE_COMPATIBLE_GCC_WIN64_PLATFORM_AS defined. (do_encrypt, do_decrypt) [USE_AMD64_ASM && !HAVE_COMPATIBLE_GCC_AMD64_PLATFORM_AS]: Use assembly block to call AMD64 assembly encrypt/decrypt function.
- Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>