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DIAGONALIZE macro

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This commit is contained in:
frankw
2016-06-25 08:57:01 +02:00
parent c5dac2387d
commit b0e1a3d003
2 changed files with 17 additions and 0 deletions
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2
blake2b_test.go
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@@ -33,6 +33,8 @@ func TestCompress(t *testing.T) {
hGo.Write(in)
sumGo := fmt.Sprintf("%x", hGo.Sum(nil))
// Digest for testing generated with modified codahale/blake2 with ROUND macro that stops after DIAGONALIZE
sumGo = "2306b43fd384cba9820ad5a79c6a0f19775f205e9e13f5956b8c271cf6d5b165de31323244522c59eca5c96d943d76df4b1770b86e26dae7839042fa1875bc60"
hSSE.Write(in)
sumSSE := fmt.Sprintf("%x", hSSE.Sum(nil))

15
compress_amd64.s
View File

@@ -131,6 +131,21 @@ TEXT ·compressSSE(SB), 7, $0
BYTE $0xc5; BYTE $0xe1; BYTE $0x73; BYTE $0xd3; BYTE $0x3f // VPSRLQ XMM3,XMM3,0x3f /* reg = reg>>63 */
BYTE $0xc4; BYTE $0xc1; BYTE $0x61; BYTE $0xef; BYTE $0xdf // VPXOR XMM3,XMM3,XMM15 /* ORed together: v6 = v6<<(64-63) | v6>>63, v7 = v7<<(64-63) | v7>>63 */
// DIAGONALIZE(row1l,row2l,row3l,row4l,row1h,row2h,row3h,row4h);
MOVOU X6, X13 /* t0 = row4l;\ */
MOVOU X2, X14 /* t1 = row2l;\ */
MOVOU X4, X6 /* row4l = row3l;\ */
MOVOU X5, X4 /* row3l = row3h;\ */
MOVOU X6, X5 /* row3h = row4l;\ */
BYTE $0xc4; BYTE $0x41; BYTE $0x11; BYTE $0x6c; BYTE $0xfd // VPUNPCKLQDQ XMM15, XMM13, XMM13 /* _mm_unpacklo_epi64(t0, t0) */
BYTE $0xc4; BYTE $0xc1; BYTE $0x41; BYTE $0x6d; BYTE $0xf7 // VPUNPCKHQDQ XMM6, XMM7, XMM15 /* row4l = _mm_unpackhi_epi64(row4h, ); \ */
BYTE $0xc5; BYTE $0x41; BYTE $0x6c; BYTE $0xff // VPUNPCKLQDQ XMM15, XMM7, XMM7 /* _mm_unpacklo_epi64(row4h, row4h) */
BYTE $0xc4; BYTE $0xc1; BYTE $0x11; BYTE $0x6d; BYTE $0xff // VPUNPCKHQDQ XMM7, XMM13, XMM15 /* row4h = _mm_unpackhi_epi64(t0, ); \ */
BYTE $0xc5; BYTE $0x61; BYTE $0x6c; BYTE $0xfb // VPUNPCKLQDQ XMM15, XMM3, XMM3 /* _mm_unpacklo_epi64(row2h, row2h) */
BYTE $0xc4; BYTE $0xc1; BYTE $0x69; BYTE $0x6d; BYTE $0xd7 // VPUNPCKHQDQ XMM2, XMM2, XMM15 /* row2l = _mm_unpackhi_epi64(row2l, ); \ */
BYTE $0xc4; BYTE $0x41; BYTE $0x09; BYTE $0x6c; BYTE $0xfe // VPUNPCKLQDQ XMM15, XMM14, XMM14 /* _mm_unpacklo_epi64(t1, t1) */
BYTE $0xc4; BYTE $0xc1; BYTE $0x61; BYTE $0x6d; BYTE $0xdf // VPUNPCKHQDQ XMM3, XMM3, XMM15 /* row2h = _mm_unpackhi_epi64(row2h, ) */
// Reload digest
MOVQ in+24(FP), SI // SI: &in
MOVOU 0(SI), X12 // X12 = in[0]+in[1] /* row1l = LOAD( &S->h[0] ); */