This is from a long time ago [Wayback/Archive] Does Delphi support all MMX/SSE instructions? – Stack Overflow:
Delphi 2007 supports the MMX and SSE instruction sets. Certainly, Delphi 2010 and XE support up to the SSE4.2 instruction sets (but so far no support for AVX).
The [Wayback] Delphi 2005 Language Guide explained a bit, but no more recent PDF is available and the [Wayback/Archive] Embarcadero/IDERA Documentation Wiki is very much outdated on this information as per [Wayback/Archive] Talk:Assembler Syntax – RAD Studio:
Re: “Instruction Opcodes” The information on available instruction sets is outdated. D2010 and Fulcrum support the SIMD instruction sets all the way up to SSE4.2 (i.e., SSE, SSE2, SSE3, SSSE3, SSE4.1 and SSE4.2).
–jeroen
The Wiert Corner - irregular stream of stuff 