daiduo/TurboPFor-Integer-Compression
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Transform: Byte+Nibble Transpose/Shuffle

Browse Source
This commit is contained in:
x
2017-02-05 16:35:38 +01:00
parent 1defea1cb2
commit 4638f899d5
1 changed files with 4 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
transpose.c
View File

@ -153,6 +153,7 @@ void TEMPLATE2(TRANSPOSE, ESIZE)(unsigned char *in, unsigned n, unsigned char *o
#endif
#endif
#endif
__builtin_prefetch(ip+512);
}
op = out+bsize*ESIZE; while(ip < in+n) *op++ = *ip++;
}
@ -191,6 +192,7 @@ void TEMPLATE2(UNTRANSPOSE, ESIZE)(unsigned char *in, unsigned n, unsigned char
#endif
#endif
#endif
__builtin_prefetch(ip+512);
}
ip = in+bsize*ESIZE;
while(op < out+n)
@ -304,6 +306,7 @@ void TEMPLATE2(TRANSPOSEV, 4)(unsigned char *in, unsigned n, unsigned char *out)
_mm_storeu_si128((__m128i *)(op+(i+=bsize)), iv[2]);
_mm_storeu_si128((__m128i *)(op+(i+=bsize)), iv[3]);
#endif
__builtin_prefetch(ip+512);
}
_transpose4(in+v, n-v, out+v);
#else
@ -381,7 +384,7 @@ void TEMPLATE2(UNTRANSPOSEV, 4)(unsigned char *in, unsigned n, unsigned char *ou
_mm_storeu_si128((__m128i *)op, _mm_unpacklo_epi16(ov[0], ov[2])); op += 16;
_mm_storeu_si128((__m128i *)op, _mm_unpackhi_epi16(ov[0], ov[2])); op += 16;
_mm_storeu_si128((__m128i *)op, _mm_unpacklo_epi16(ov[1], ov[3])); op += 16;
_mm_storeu_si128((__m128i *)op, _mm_unpackhi_epi16(ov[1], ov[3])); op += 16;
_mm_storeu_si128((__m128i *)op, _mm_unpackhi_epi16(ov[1], ov[3])); op += 16; __builtin_prefetch(ip+512);
}
_untranspose4(in+v, n-v, out+v);
#else