I have the x86 intrinsic (_m128i _mm_sign_epi8(_m128i a,_m128i b)) it performs the following task: for (i = 0; i < 16; i++) { if (b[i] < 0) { r[i] = -a[i]; } else if (b[i] == 0) { r[i] = 0; } else { r[i] = a[i]; }}I am wondering what is the best way to do this same instruction using NEON intrinsics.
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