From 65694364b98cd47d21d4959eec0eda697ff3447b Mon Sep 17 00:00:00 2001 From: Sun Yimin Date: Mon, 18 Sep 2023 15:13:32 +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 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- SM3性能优化.md | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-) diff --git a/SM3性能优化.md b/SM3性能优化.md index 311acef..819cbde 100644 --- a/SM3性能优化.md +++ b/SM3性能优化.md @@ -223,23 +223,19 @@ SM3的第一版，比SHA256复杂，不知道有没有继续优化的空间。 VPALIGNR $4, XDWORD3, XTMP2, XTMP3; \ // XTMP3 = {W[0], w15, w14, w13} VPSLLD $15, XTMP3, XTMP4; \ VPSRLD $(32-15), XTMP4, XTMP4; \ - VPOR XTMP3, XTMP4, XTMP4; \ // XTMP4 = W[-3] rol 15 {DCxx} - VPXOR XTMP1, XTMP4, XTMP4; \ // XTMP4 = W[-9] XOR W[-16] XOR (W[-3] rol 15) {DCxx} + VPOR XTMP3, XTMP4, XTMP4; \ // XTMP4 = W[-3] rol 15 {DCBA} + VPXOR XTMP1, XTMP4, XTMP4; \ // XTMP4 = W[-9] XOR W[-16] XOR (W[-3] rol 15) {DCBA} // P1 VPSLLD $15, XTMP4, XTMP5; \ VPSRLD $(32-15), XTMP4, XTMP3; \ - VPOR XTMP3, XTMP5, XTMP3; \ // XTMP3 = XTMP4 rol 15 {DCxx} - VPSHUFB r08_mask<>(SB), XTMP3, XTMP1; \ // XTMP1 = XTMP4 rol 23 {DCxx} - VPXOR XTMP3, XTMP4, XTMP3; \ // XTMP3 = XTMP4 XOR (XTMP4 rol 15 {DCxx}) - VPXOR XTMP3, XTMP1, XTMP1; \ // XTMP1 = XTMP4 XOR (XTMP4 rol 15 {DCxx}) XOR (XTMP4 rol 23 {DCxx}) + VPOR XTMP3, XTMP5, XTMP3; \ // XTMP3 = XTMP4 rol 15 {DCBA} + VPSHUFB r08_mask<>(SB), XTMP3, XTMP1; \ // XTMP1 = XTMP4 rol 23 {DCBA} + VPXOR XTMP3, XTMP4, XTMP3; \ // XTMP3 = XTMP4 XOR (XTMP4 rol 15 {DCBA}) + VPXOR XTMP3, XTMP1, XTMP1; \ // XTMP1 = XTMP4 XOR (XTMP4 rol 15 {DCBA}) XOR (XTMP4 rol 23 {DCBA}) - // Last 2 words message schedule result - VPXOR XTMP1, XTMP0, XTMP1; \ // XTMP1 = {W[3], W[2], ..., ...} - - // 拼接结果 - VPALIGNR $8, XTMP1, XTMP2, XTMP3; \ // XTMP3 = {W[1], W[0], W[3], W[2]} - VPSHUFD $0x4E, XTMP3, XDWORD0; \ // XDWORD0 = {W[3], W[2], W[1], W[0]} + // 4 words message schedule result + VPXOR XTMP1, XTMP0, XDWORD0; \ // XTMP1 = {W[3], W[2], W[1], W[0]} ``` ARM64 NEON 版（没有用VTBL表查询指令）：