Add bswap_4 which swaps 4 Ts in parallel. Normally just uses reverse_bytes, but if SSE2 or SSSE3 is available uses SIMD magic to swap 4 32 bit values at once.
Add bswap_4 which swaps 4 Ts in parallel. Normally just uses reverse_bytes,
but if SSE2 or SSSE3 is available uses SIMD magic to swap 4 32 bit values
at once.

Rohde-Schwarz-Cybersecurity/botan,randombit/botan,randombit/botan,randombit/botan,randombit/botan,Rohde-Schwarz-Cybersecurity/botan,webmaster128/botan,randombit/botan,webmaster128/botan,webmaster128/botan,webmaster128/botan,Rohde-Schwarz-Cybersecurity/botan,webmaster128/botan,Rohde-Schwarz-Cybersecurity/botan,Rohde-Schwarz-Cybersecurity/botan,Rohde-Schwarz-Cybersecurity/botan