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[Endianness] More code to make Spookyhash endianness-agnostic.

This commit is contained in:
Suresh Sundriyal 2022-10-01 15:51:03 -07:00
parent e2cddf28b2
commit 071ec72586
1 changed files with 36 additions and 15 deletions
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51
src/spookyhash/SpookyV2.h
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@ -155,18 +155,30 @@ public:
uint64 &s4, uint64 &s5, uint64 &s6, uint64 &s7,
uint64 &s8, uint64 &s9, uint64 &s10,uint64 &s11)
{
s0 += data[0]; s2 ^= s10; s11 ^= s0; s0 = Rot64(s0,11); s11 += s1;
s1 += data[1]; s3 ^= s11; s0 ^= s1; s1 = Rot64(s1,32); s0 += s2;
s2 += data[2]; s4 ^= s0; s1 ^= s2; s2 = Rot64(s2,43); s1 += s3;
s3 += data[3]; s5 ^= s1; s2 ^= s3; s3 = Rot64(s3,31); s2 += s4;
s4 += data[4]; s6 ^= s2; s3 ^= s4; s4 = Rot64(s4,17); s3 += s5;
s5 += data[5]; s7 ^= s3; s4 ^= s5; s5 = Rot64(s5,28); s4 += s6;
s6 += data[6]; s8 ^= s4; s5 ^= s6; s6 = Rot64(s6,39); s5 += s7;
s7 += data[7]; s9 ^= s5; s6 ^= s7; s7 = Rot64(s7,57); s6 += s8;
s8 += data[8]; s10 ^= s6; s7 ^= s8; s8 = Rot64(s8,55); s7 += s9;
s9 += data[9]; s11 ^= s7; s8 ^= s9; s9 = Rot64(s9,54); s8 += s10;
s10 += data[10]; s0 ^= s8; s9 ^= s10; s10 = Rot64(s10,22); s9 += s11;
s11 += data[11]; s1 ^= s9; s10 ^= s11; s11 = Rot64(s11,46); s10 += s0;
s0 += SPOOKYHASH_LITTLE_ENDIAN_64(data[0]);
s2 ^= s10; s11 ^= s0; s0 = Rot64(s0,11); s11 += s1;
s1 += SPOOKYHASH_LITTLE_ENDIAN_64(data[1]);
s3 ^= s11; s0 ^= s1; s1 = Rot64(s1,32); s0 += s2;
s2 += SPOOKYHASH_LITTLE_ENDIAN_64(data[2]);
s4 ^= s0; s1 ^= s2; s2 = Rot64(s2,43); s1 += s3;
s3 += SPOOKYHASH_LITTLE_ENDIAN_64(data[3]);
s5 ^= s1; s2 ^= s3; s3 = Rot64(s3,31); s2 += s4;
s4 += SPOOKYHASH_LITTLE_ENDIAN_64(data[4]);
s6 ^= s2; s3 ^= s4; s4 = Rot64(s4,17); s3 += s5;
s5 += SPOOKYHASH_LITTLE_ENDIAN_64(data[5]);
s7 ^= s3; s4 ^= s5; s5 = Rot64(s5,28); s4 += s6;
s6 += SPOOKYHASH_LITTLE_ENDIAN_64(data[6]);
s8 ^= s4; s5 ^= s6; s6 = Rot64(s6,39); s5 += s7;
s7 += SPOOKYHASH_LITTLE_ENDIAN_64(data[7]);
s9 ^= s5; s6 ^= s7; s7 = Rot64(s7,57); s6 += s8;
s8 += SPOOKYHASH_LITTLE_ENDIAN_64(data[8]);
s10 ^= s6; s7 ^= s8; s8 = Rot64(s8,55); s7 += s9;
s9 += SPOOKYHASH_LITTLE_ENDIAN_64(data[9]);
s11 ^= s7; s8 ^= s9; s9 = Rot64(s9,54); s8 += s10;
s10 += SPOOKYHASH_LITTLE_ENDIAN_64(data[10]);
s0 ^= s8; s9 ^= s10; s10 = Rot64(s10,22); s9 += s11;
s11 += SPOOKYHASH_LITTLE_ENDIAN_64(data[11]);
s1 ^= s9; s10 ^= s11; s11 = Rot64(s11,46); s10 += s0;
}
//
@ -210,9 +222,18 @@ public:
uint64 &h4, uint64 &h5, uint64 &h6, uint64 &h7,
uint64 &h8, uint64 &h9, uint64 &h10,uint64 &h11)
{
h0 += data[0]; h1 += data[1]; h2 += data[2]; h3 += data[3];
h4 += data[4]; h5 += data[5]; h6 += data[6]; h7 += data[7];
h8 += data[8]; h9 += data[9]; h10 += data[10]; h11 += data[11];
h0 += SPOOKYHASH_LITTLE_ENDIAN_64(data[0]);
h1 += SPOOKYHASH_LITTLE_ENDIAN_64(data[1]);
h2 += SPOOKYHASH_LITTLE_ENDIAN_64(data[2]);
h3 += SPOOKYHASH_LITTLE_ENDIAN_64(data[3]);
h4 += SPOOKYHASH_LITTLE_ENDIAN_64(data[4]);
h5 += SPOOKYHASH_LITTLE_ENDIAN_64(data[5]);
h6 += SPOOKYHASH_LITTLE_ENDIAN_64(data[6]);
h7 += SPOOKYHASH_LITTLE_ENDIAN_64(data[7]);
h8 += SPOOKYHASH_LITTLE_ENDIAN_64(data[8]);
h9 += SPOOKYHASH_LITTLE_ENDIAN_64(data[9]);
h10 += SPOOKYHASH_LITTLE_ENDIAN_64(data[10]);
h11 += SPOOKYHASH_LITTLE_ENDIAN_64(data[11]);
EndPartial(h0,h1,h2,h3,h4,h5,h6,h7,h8,h9,h10,h11);
EndPartial(h0,h1,h2,h3,h4,h5,h6,h7,h8,h9,h10,h11);
EndPartial(h0,h1,h2,h3,h4,h5,h6,h7,h8,h9,h10,h11);