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Updated SM3性能优化 (markdown)

Sun Yimin 2021-03-10 13:05:28 +08:00
parent 0b2b234c2e
commit 5b069b6cba
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SM3性能优化.md

@ -60,6 +60,12 @@ https://software.intel.com/sites/landingpage/IntrinsicsGuide/
SM3的第一版，比SHA256复杂：
// Wj ← P1(Wj−16 ⊕ Wj−9 ⊕ (Wj−3 ≪ 15)) ⊕ (Wj−13 ≪ 7) ⊕ Wj−6
// Transpose data into high/low parts
VPERM2I128 $0x20, XTMP2, XTMP0, XDWORD0 // w3, w2, w1, w0
VPERM2I128 $0x31, XTMP2, XTMP0, XDWORD1 // w7, w6, w5, w4
VPERM2I128 $0x20, XTMP3, XTMP1, XDWORD2 // w11, w10, w9, w8
VPERM2I128 $0x31, XTMP3, XTMP1, XDWORD3 // w15, w14, w13, w12
VPALIGNR $12, XDWORD0, XDWORD1, XTMP0; \ // XTMP0 = W[-13] = {w6,w5,w4,w3}
VPSLLD $7, XTMP0, XTMP1; \
VPSRLD $(32-7), XTMP0, XTMP0; \