rotaryembed simd x86

[futz12]

[github-actions[bot]]

The binary size change of libncnn.so (bytes)

architecture	base size	pr size	difference
x86_64	15307488	15331488	+24000 :warning:
armhf	6225824	6225824	0 :kissing_heart:
aarch64	9527072	9527072	0 :kissing_heart:

[codecov-commenter]

Codecov Report

:white_check_mark: All modified and coverable lines are covered by tests. :white_check_mark: Project coverage is 95.89%. Comparing base (38baacf) to head (687c1ad). :warning: Report is 13 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #6427   +/-   ##
=======================================
  Coverage   95.89%   95.89%           
=======================================
  Files         844      845    +1     
  Lines      266845   266929   +84     
=======================================
+ Hits       255895   255979   +84     
  Misses      10950    10950           

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