Prelu layer uses sse instruction _mm_load_ps but data can be misaligned so it must use _mm_loadu_ps

[AlOa]

In the prelu_x86.cpp for loading the data for sse instructions it is used _mm_load_ps but data can be misaligned so it must be used _mm_loadu_ps

[nihui]

Hi
This problem occurs when you load the model from memory, slope_data is not guaranteed to be aligned, which will lead to misalignment

However, I found that there is another place where _mm_load_ps is used incorrectly. Please fix it together.

ncnn/src/layer/x86/prelu_x86.cpp

Line 84 in 837bbbf

__m128 _slope128 = _mm_load_ps(slope + i);

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (54e58bf) 94.70% compared to head (837bbbf) 94.70%.
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5149      +/-   ##
==========================================
- Coverage   94.70%   94.70%   -0.01%     
==========================================
  Files         777      777              
  Lines      241604   241653      +49     
==========================================
+ Hits       228809   228848      +39     
- Misses      12795    12805      +10     

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[nihui]

Thanks for your contribution !