From 5bd003ebbe3f853f16502168f620c1ac71d29def Mon Sep 17 00:00:00 2001
From: emmansun <emman.sun@foxmail.com>
Date: Sat, 1 Jan 2022 20:17:57 +0800
Subject: [PATCH] try out arm64 inst

---
 sm4/arm64_verify.s       | 14 ++++++++++++++
 sm4/arm64_verify_test.go | 10 ++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 sm4/arm64_verify.s
 create mode 100644 sm4/arm64_verify_test.go

diff --git a/sm4/arm64_verify.s b/sm4/arm64_verify.s
new file mode 100644
index 0000000..920f442
--- /dev/null
+++ b/sm4/arm64_verify.s
@@ -0,0 +1,14 @@
+#include "textflag.h"
+
+// func tblAsm(in, imm, out *byte)
+TEXT ·tblAsm(SB),NOSPLIT,$0
+  MOVD	in+0(FP), R8
+  MOVD  imm+8(FP), R9
+  MOVD  out+16(FP), R10
+
+  VLD1 (R8), [V0.B16]
+  VLD1 (R9), [V1.B16]
+
+  VTBL V1.B16, [V0.B16], V2.B16
+  VST1 V2.B16, (R10)
+  RET
\ No newline at end of file
diff --git a/sm4/arm64_verify_test.go b/sm4/arm64_verify_test.go
new file mode 100644
index 0000000..c091871
--- /dev/null
+++ b/sm4/arm64_verify_test.go
@@ -0,0 +1,10 @@
+//go:build arm64
+// +build arm64
+
+//go:noescape
+func tblAsm(in, imm, out *byte)
+
+func TestTblAsm(t *testing.T) {
+	in := []byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}
+
+}
\ No newline at end of file