1 /*
2 * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2020, Red Hat Inc. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 */
24
25 #include "precompiled.hpp"
26
27 #if defined(AARCH64) && !defined(ZERO)
28
29 #include "asm/assembler.hpp"
30 #include "asm/assembler.inline.hpp"
31 #include "compiler/disassembler.hpp"
32 #include "memory/resourceArea.hpp"
33 #include "unittest.hpp"
34
35 #define __ _masm.
36
asm_check(const unsigned int * insns,const unsigned int * insns1,size_t len)37 static void asm_check(const unsigned int *insns, const unsigned int *insns1, size_t len) {
38 bool ok = true;
39 for (unsigned int i = 0; i < len; i++) {
40 if (insns[i] != insns1[i]) {
41 ResourceMark rm;
42 stringStream ss;
43 ss.print_cr("Ours:");
44 Disassembler::decode((address)&insns1[i], (address)&insns1[i+1], &ss);
45 ss.print_cr("Theirs:");
46 Disassembler::decode((address)&insns[i], (address)&insns[i+1], &ss);
47
48 EXPECT_EQ(insns[i], insns1[i]) << ss.as_string();
49 }
50 }
51 }
52
TEST_VM(AssemblerAArch64,validate)53 TEST_VM(AssemblerAArch64, validate) {
54 // Smoke test for assembler
55 BufferBlob* b = BufferBlob::create("aarch64Test", 500000);
56 CodeBuffer code(b);
57 Assembler _masm(&code);
58 address entry = __ pc();
59
60 // python aarch64-asmtest.py | expand > asmtest.out.h
61 #include "asmtest.out.h"
62
63 asm_check((unsigned int *)entry, insns, sizeof insns / sizeof insns[0]);
64
65 {
66 address PC = __ pc();
67 __ ld1(v0, __ T16B, Address(r16)); // No offset
68 __ ld1(v0, __ T8H, __ post(r16, 16)); // Post-index
69 __ ld2(v0, v1, __ T8H, __ post(r24, 16 * 2)); // Post-index
70 __ ld1(v0, __ T16B, __ post(r16, r17)); // Register post-index
71 static const unsigned int vector_insns[] = {
72 0x4c407200, // ld1 {v0.16b}, [x16]
73 0x4cdf7600, // ld1 {v0.8h}, [x16], #16
74 0x4cdf8700, // ld2 {v0.8h, v1.8h}, [x24], #32
75 0x4cd17200, // ld1 {v0.16b}, [x16], x17
76 };
77 asm_check((unsigned int *)PC, vector_insns,
78 sizeof vector_insns / sizeof vector_insns[0]);
79 }
80
81 BufferBlob::free(b);
82 }
83
84 #endif // AARCH64
85