From a4d34aa887c26bc390c5351abebbdc80a345ed14 Mon Sep 17 00:00:00 2001 From: weidai Date: Sun, 5 Apr 2009 20:01:05 +0000 Subject: [PATCH] disable Panama SSE2 code for P4 --- trunk/c5/panama.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/trunk/c5/panama.cpp b/trunk/c5/panama.cpp index 7238f6c8..06ef25aa 100644 --- a/trunk/c5/panama.cpp +++ b/trunk/c5/panama.cpp @@ -463,7 +463,7 @@ void PanamaCipherPolicy::CipherResynchronize(byte *keystreamBuffer, const byt } #if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE) - if (B::ToEnum() == LITTLE_ENDIAN_ORDER && HasSSE2()) + if (B::ToEnum() == LITTLE_ENDIAN_ORDER && HasSSE2() && !IsP4()) // SSE2 code is slower on P4 Prescott Panama_SSE2_Pull(32, this->m_state, NULL, NULL); else #endif