Quote:
Originally Posted by NikosD
Especially SSE2 is mandatory for x64 architecture.
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You can also usually safely target SSE3 (no, not SSSE3) as well since it's supported on all DDR2-capable 64bit x86 CPUs and newer.
(the only 64bit x86 CPUs that don't support SSE3 are some socket 754 and 939 Athlon 64s which used DDR1)