IABSD.fr/src /lib/libcrypto/modes/asm

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Author : jsing
Date : 2025-06-09 14:28:33
Hash : 23f4dfa0
Message : Make OPENSSL_IA32_SSE2 the default for i386 and remove the flag. The OPENSSL_IA32_SSE2 flag controls whether a number of the perlasm scripts generate additional implementations that use SSE2 functionality. In all cases except ghash, the code checks OPENSSL_ia32cap_P for SSE2 support, before trying to run SSE2 code. For ghash it generates a CLMUL based implementation in addition to different MMX version (one MMX version hides behind OPENSSL_IA32_SSE2, the other does not), however this does not appear to actually use SSE2. We also disable AES-NI on i386 if OPENSSL_IA32_SSE2. On OpenBSD, we've always defined OPENSSL_IA32_SSE2 so this is effectively a no-op. The only change is that we now check MMX rather than SSE2 for the ghash MMX implementation. ok bcook@ beck@

IABSD.fr/src/lib/libcrypto/modes/asm