ppc64x: encoding fix typo #18

base64_ppc64x.s

@@ -84,7 +84,7 @@ loop:
 		VAND X0, MULLO_MASK, X0
 		VSLH X0, SHIFT_LEFT_MASK, X0
 		VOR X0, X1, X0
-		VSUBUBS RAND1_END, X0, X1
+		VSUBUBS RANGE1_END, X0, X1
 		VCMPGTUB RANGE0_END, X0, X2
 		VSUBUBM X2, X1, X1
 		VPERM LUT, LUT, X1, X2

base64_ppc64x_test.go

@@ -0,0 +1,37 @@
+// Copyright 2024 Sun Yimin. All rights reserved.
+// Use of this source code is governed by a BSD 3-Clause-style
+// license that can be found in the LICENSE file.
+
+//go:build (ppc64 || ppc64le) && !purego
+
+package base64
+
+import (
+	"bytes"
+	"testing"
+)
+
+func TestStdEncodeAsm(t *testing.T) {
+	pairs := []testpair{
+		{"abcdefghijkl0000", "YWJjZGVmZ2hpamts"},
+		{"\x2b\xf7\xcc\x27\x01\xfe\x43\x97\xb4\x9e\xbe\xed\x5a\xcc\x70\x90", "K/fMJwH+Q5e0nr7t"},
+		{"abcdefghijklabcdefghijkl0000", "YWJjZGVmZ2hpamtsYWJjZGVmZ2hpamts"},
+		{"abcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijkl", "YWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamts"},
+		{"abcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijkl", "YWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamts"},
+		{"abcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijklabcdefghijkl", "YWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamtsYWJjZGVmZ2hpamts"},
+	}
+	for _, p := range pairs {
+		src := []byte(p.decoded)
+		expected := []byte(p.encoded)
+		dst := make([]byte, len(expected))
+
+		ret := encodeAsm(dst, src, &encodeStdLut)
+		if ret != len(expected) {
+			t.Errorf("should return %v, got %v", len(expected), ret)
+		}
+		if !bytes.Equal(dst, expected) {
+			t.Errorf("got %x, expected %x", dst, expected)
+		}
+
+	}
+}