ICC

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1. 13 Oct
   Intel SDM lists vfmaddrnd231pd instruction but toolchains and assemblers lack support

   The Intel Software Development Manual documents an instruction called VFMADDRND231PD that provides per-instruction rounding control for fused multiply-add on packed doubles. Community investigation notes GNU assembler and common compilers don’t recognize the instruction and the SDM uses a mysterious 'DDS' opcode field that appears only in that document version.

   Hardware · 1 source

   

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