From 5b069b6cbad9d6d0a78818aaa82e8f052ac89da7 Mon Sep 17 00:00:00 2001
From: Sun Yimin <emmansun@users.noreply.github.com>
Date: Wed, 10 Mar 2021 13:05:28 +0800
Subject: [PATCH] =?UTF-8?q?Updated=20SM3=E6=80=A7=E8=83=BD=E4=BC=98?=
 =?UTF-8?q?=E5=8C=96=20(markdown)?=
MIME-Version: 1.0
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---
 SM3性能优化.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/SM3性能优化.md b/SM3性能优化.md
index 51644e0..3814498 100644
--- a/SM3性能优化.md
+++ b/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;        \