This commit is contained in:
Jay D Dee
2023-08-30 20:15:48 -04:00
parent 57a6b7b58b
commit 4378d2f841
72 changed files with 10184 additions and 2182 deletions

View File

@@ -423,21 +423,6 @@ int cube_4way_update_close( cube_4way_context *sp, void *output,
// 2 way 128
// This isn't expected to be used with AVX512 so HW rotate intruction
// is assumed not avaiable.
// Use double buffering to optimize serial bit rotations. Full double
// buffering isn't practical because it needs twice as many registers
// with AVX2 having only half as many as AVX512.
#define ROL2( out0, out1, in0, in1, c ) \
{ \
__m256i t0 = _mm256_slli_epi32( in0, c ); \
__m256i t1 = _mm256_slli_epi32( in1, c ); \
out0 = _mm256_srli_epi32( in0, 32-(c) ); \
out1 = _mm256_srli_epi32( in1, 32-(c) ); \
out0 = _mm256_or_si256( out0, t0 ); \
out1 = _mm256_or_si256( out1, t1 ); \
}
static void transform_2way( cube_2way_context *sp )
{
int r;
@@ -460,8 +445,10 @@ static void transform_2way( cube_2way_context *sp )
x5 = _mm256_add_epi32( x1, x5 );
x6 = _mm256_add_epi32( x2, x6 );
x7 = _mm256_add_epi32( x3, x7 );
ROL2( y0, y1, x2, x3, 7 );
ROL2( x2, x3, x0, x1, 7 );
y0 = mm256_rol_32( x2, 7 );
y1 = mm256_rol_32( x3, 7 );
x2 = mm256_rol_32( x0, 7 );
x3 = mm256_rol_32( x1, 7 );
x0 = _mm256_xor_si256( y0, x4 );
x1 = _mm256_xor_si256( y1, x5 );
x2 = _mm256_xor_si256( x2, x6 );
@@ -474,8 +461,10 @@ static void transform_2way( cube_2way_context *sp )
x5 = _mm256_add_epi32( x1, x5 );
x6 = _mm256_add_epi32( x2, x6 );
x7 = _mm256_add_epi32( x3, x7 );
ROL2( y0, x1, x1, x0, 11 );
ROL2( y1, x3, x3, x2, 11 );
y0 = mm256_rol_32( x1, 11 );
x1 = mm256_rol_32( x0, 11 );
y1 = mm256_rol_32( x3, 11 );
x3 = mm256_rol_32( x2, 11 );
x0 = _mm256_xor_si256( y0, x4 );
x1 = _mm256_xor_si256( x1, x5 );
x2 = _mm256_xor_si256( y1, x6 );