_mm_clmulepi64_si128 and pclmulqdq doc error

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_mm_clmulepi64_si128 and pclmulqdq doc error

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The operation pseudo code in the intrinsics guid (https://software.intel.com/sites/landingpage/IntrinsicsGuide/#=undefined&expand=3728,636&text=carry) and in the 64-ia-32-architectures guid appear to be incorrect.

(maybe these have already been revised)

Jim Dempsey

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