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| author | appro <appro> | 2012-01-25 17:56:08 +0000 |
|---|---|---|
| committer | appro <appro> | 2012-01-25 17:56:08 +0000 |
| commit | 6cb83cb33dcb0174abcc37c1f0f8bf757ad52547 (patch) | |
| tree | 735e28585cc80a8718f6063ec7f96b2e95f79fdc | |
| parent | 1a210b7b69924dd0a480acd02b309e5a30137a59 (diff) | |
| download | openssl-6cb83cb33dcb0174abcc37c1f0f8bf757ad52547.tar.gz | |
ghash-x86.pl: engage original MMX version in no-sse2 builds.
| -rw-r--r-- | crypto/modes/asm/ghash-x86.pl | 2 | ||||
| -rw-r--r-- | crypto/modes/gcm128.c | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/crypto/modes/asm/ghash-x86.pl b/crypto/modes/asm/ghash-x86.pl index 1b9adfbc7..6b09669d4 100644 --- a/crypto/modes/asm/ghash-x86.pl +++ b/crypto/modes/asm/ghash-x86.pl @@ -331,7 +331,7 @@ if (!$x86only) {{{ &static_label("rem_4bit"); -if (0) {{ # "May" MMX version is kept for reference... +if (!$sse2) {{ # pure-MMX "May" version... $S=12; # shift factor for rem_4bit diff --git a/crypto/modes/gcm128.c b/crypto/modes/gcm128.c index e638e42be..f77aa972b 100644 --- a/crypto/modes/gcm128.c +++ b/crypto/modes/gcm128.c @@ -726,7 +726,11 @@ void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx,void *key,block128_f block) # endif gcm_init_4bit(ctx->Htable,ctx->H.u); # if defined(GHASH_ASM_X86) /* x86 only */ +# if defined(OPENSSL_IA32_SSE2) + if (OPENSSL_ia32cap_P[0]&(1<<25)) { /* check SSE bit */ +# else if (OPENSSL_ia32cap_P[0]&(1<<23)) { /* check MMX bit */ +# endif ctx->gmult = gcm_gmult_4bit_mmx; ctx->ghash = gcm_ghash_4bit_mmx; } else { |