[FFmpeg-devel] [patch 1/3]Fix bug for POWER LE:/libavcodec/ppc/me_cmp.c

[rongyan]

Hi,
There are 3 patches to fix bugs for POWER8 little endian. I will send 3 patches in 3 different email. This is the first, functions 
    hadamard8_diff8x8_altivec()    hadamard8_diff16x8_altivec()
    sad16_x2_altivec()
    sad16_y2_altivec()
    sad16_xy2_altivec()
    sad16_altivec()
    sad8_altivec()
    sse16_altivec()
    sse8_altivec()
‍ are fixed.
 The fate test result after merge these 3 patches can be found on website by searching "ibmcrl", also attached in the below to facilitate the review. The passed test cases change from  1679/2182 to 2202/2235.
 ‍
 Thanks for review and any comments please feel free to let me know.
  
 Rong Yan
  ------------------
  The world has enough for everyone's need, but not enough for everyone's greed.
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