1// Copyright 2016, VIXL authors
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are met:
6//
7//   * Redistributions of source code must retain the above copyright notice,
8//     this list of conditions and the following disclaimer.
9//   * Redistributions in binary form must reproduce the above copyright notice,
10//     this list of conditions and the following disclaimer in the documentation
11//     and/or other materials provided with the distribution.
12//   * Neither the name of ARM Limited nor the names of its contributors may be
13//     used to endorse or promote products derived from this software without
14//     specific prior written permission.
15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND
17// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
20// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
23// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26
27
28// -----------------------------------------------------------------------------
29// This file is auto generated from the
30// test/aarch32/config/template-simulator-aarch32.cc.in template file using
31// tools/generate_tests.py.
32//
33// PLEASE DO NOT EDIT.
34// -----------------------------------------------------------------------------
35
36
37#include "test-runner.h"
38
39#include "test-utils.h"
40#include "test-utils-aarch32.h"
41
42#include "aarch32/assembler-aarch32.h"
43#include "aarch32/macro-assembler-aarch32.h"
44#include "aarch32/disasm-aarch32.h"
45
46#define __ masm.
47#define BUF_SIZE (4096)
48
49#ifdef VIXL_INCLUDE_SIMULATOR_AARCH32
50// Run tests with the simulator.
51
52#define SETUP() MacroAssembler masm(BUF_SIZE)
53
54#define START() masm.GetBuffer()->Reset()
55
56#define END() \
57  __ Hlt(0);  \
58  __ FinalizeCode();
59
60// TODO: Run the tests in the simulator.
61#define RUN()
62
63#define TEARDOWN()
64
65#else  // ifdef VIXL_INCLUDE_SIMULATOR_AARCH32.
66
67#define SETUP()                                   \
68  MacroAssembler masm(BUF_SIZE);                  \
69  UseScratchRegisterScope harness_scratch(&masm); \
70  harness_scratch.ExcludeAll();
71
72#define START()              \
73  masm.GetBuffer()->Reset(); \
74  __ Push(r4);               \
75  __ Push(r5);               \
76  __ Push(r6);               \
77  __ Push(r7);               \
78  __ Push(r8);               \
79  __ Push(r9);               \
80  __ Push(r10);              \
81  __ Push(r11);              \
82  __ Push(lr);               \
83  harness_scratch.Include(ip);
84
85#define END()                  \
86  harness_scratch.Exclude(ip); \
87  __ Pop(lr);                  \
88  __ Pop(r11);                 \
89  __ Pop(r10);                 \
90  __ Pop(r9);                  \
91  __ Pop(r8);                  \
92  __ Pop(r7);                  \
93  __ Pop(r6);                  \
94  __ Pop(r5);                  \
95  __ Pop(r4);                  \
96  __ Bx(lr);                   \
97  __ FinalizeCode();
98
99#define RUN()                                                 \
100  {                                                           \
101    int pcs_offset = masm.IsUsingT32() ? 1 : 0;               \
102    masm.GetBuffer()->SetExecutable();                        \
103    ExecuteMemory(masm.GetBuffer()->GetStartAddress<byte*>(), \
104                  masm.GetSizeOfCodeGenerated(),              \
105                  pcs_offset);                                \
106    masm.GetBuffer()->SetWritable();                          \
107  }
108
109#define TEARDOWN() harness_scratch.Close();
110
111#endif  // ifdef VIXL_INCLUDE_SIMULATOR_AARCH32
112
113namespace vixl {
114namespace aarch32 {
115
116// List of instruction encodings:
117#define FOREACH_INSTRUCTION(M) \
118  M(Crc32b)                    \
119  M(Crc32cb)                   \
120  M(Crc32ch)                   \
121  M(Crc32cw)                   \
122  M(Crc32h)                    \
123  M(Crc32w)
124
125
126// The following definitions are defined again in each generated test, therefore
127// we need to place them in an anomymous namespace. It expresses that they are
128// local to this file only, and the compiler is not allowed to share these types
129// across test files during template instantiation. Specifically, `Operands` and
130// `Inputs` have various layouts across generated tests so they absolutely
131// cannot be shared.
132
133#ifdef VIXL_INCLUDE_TARGET_T32
134namespace {
135
136// Values to be passed to the assembler to produce the instruction under test.
137struct Operands {
138  Register rd;
139  Register rn;
140  Register rm;
141};
142
143// Input data to feed to the instruction.
144struct Inputs {
145  uint32_t rd;
146  uint32_t rn;
147  uint32_t rm;
148};
149
150// This structure contains all input data needed to test one specific encoding.
151// It used to generate a loop over an instruction.
152struct TestLoopData {
153  // The `operands` fields represents the values to pass to the assembler to
154  // produce the instruction.
155  Operands operands;
156  // Description of the operands, used for error reporting.
157  const char* operands_description;
158  // Unique identifier, used for generating traces.
159  const char* identifier;
160  // Array of values to be fed to the instruction.
161  size_t input_size;
162  const Inputs* inputs;
163};
164
165static const Inputs kRnIsRm[] = {{0xffffffe0, 0x00007fff, 0x00007fff},
166                                 {0xaaaaaaaa, 0x00007fff, 0x00007fff},
167                                 {0xffffff82, 0x7ffffffe, 0x7ffffffe},
168                                 {0x7ffffffd, 0x33333333, 0x33333333},
169                                 {0x00007ffd, 0x00000002, 0x00000002},
170                                 {0xffffff80, 0xfffffffd, 0xfffffffd},
171                                 {0xffffff82, 0x33333333, 0x33333333},
172                                 {0xcccccccc, 0xffff8002, 0xffff8002},
173                                 {0x55555555, 0xffffffe0, 0xffffffe0},
174                                 {0x00007fff, 0xffffffff, 0xffffffff},
175                                 {0x55555555, 0x33333333, 0x33333333},
176                                 {0x7ffffffd, 0xffff8002, 0xffff8002},
177                                 {0x00000020, 0xffffff83, 0xffffff83},
178                                 {0x0000007e, 0x00007fff, 0x00007fff},
179                                 {0xfffffffe, 0xffffff82, 0xffffff82},
180                                 {0xffffff82, 0x00007fff, 0x00007fff},
181                                 {0xffffff82, 0xfffffffd, 0xfffffffd},
182                                 {0x80000000, 0x7fffffff, 0x7fffffff},
183                                 {0x55555555, 0x00000002, 0x00000002},
184                                 {0xfffffffe, 0xffffff80, 0xffffff80},
185                                 {0xfffffffe, 0x00000002, 0x00000002},
186                                 {0xfffffffe, 0x00000020, 0x00000020},
187                                 {0xfffffffe, 0x00007ffd, 0x00007ffd},
188                                 {0x0000007f, 0x33333333, 0x33333333},
189                                 {0xfffffffd, 0xfffffffe, 0xfffffffe},
190                                 {0x80000001, 0x7ffffffd, 0x7ffffffd},
191                                 {0x7ffffffe, 0xffffff83, 0xffffff83},
192                                 {0xffffffe0, 0x00000002, 0x00000002},
193                                 {0x00007ffe, 0xffffff83, 0xffffff83},
194                                 {0xffffff82, 0xffffff80, 0xffffff80},
195                                 {0x0000007e, 0x33333333, 0x33333333},
196                                 {0xffff8001, 0xfffffffe, 0xfffffffe},
197                                 {0xfffffffe, 0xffffff81, 0xffffff81},
198                                 {0x00000001, 0xffffff83, 0xffffff83},
199                                 {0xfffffffe, 0xaaaaaaaa, 0xaaaaaaaa},
200                                 {0xcccccccc, 0xffffff80, 0xffffff80},
201                                 {0xffffff83, 0x0000007f, 0x0000007f},
202                                 {0x00007ffd, 0x00000020, 0x00000020},
203                                 {0x0000007d, 0xfffffffd, 0xfffffffd},
204                                 {0x7ffffffe, 0xaaaaaaaa, 0xaaaaaaaa},
205                                 {0xffffff83, 0x00000001, 0x00000001},
206                                 {0x0000007d, 0xffff8000, 0xffff8000},
207                                 {0xffffffe0, 0x00000020, 0x00000020},
208                                 {0xffff8003, 0xffffff80, 0xffffff80},
209                                 {0x00000000, 0xaaaaaaaa, 0xaaaaaaaa},
210                                 {0x00007fff, 0x00000020, 0x00000020},
211                                 {0x80000000, 0x0000007d, 0x0000007d},
212                                 {0xffffff81, 0x0000007e, 0x0000007e},
213                                 {0xcccccccc, 0x00000020, 0x00000020},
214                                 {0xffffff81, 0x33333333, 0x33333333},
215                                 {0xffff8002, 0xffffffe0, 0xffffffe0},
216                                 {0xffffffe0, 0x00007ffe, 0x00007ffe},
217                                 {0xffff8002, 0xaaaaaaaa, 0xaaaaaaaa},
218                                 {0xffff8001, 0x00007ffe, 0x00007ffe},
219                                 {0x80000000, 0xcccccccc, 0xcccccccc},
220                                 {0x7ffffffd, 0x00000002, 0x00000002},
221                                 {0xcccccccc, 0x0000007f, 0x0000007f},
222                                 {0x7ffffffe, 0xffffff82, 0xffffff82},
223                                 {0x00000001, 0x0000007e, 0x0000007e},
224                                 {0x00007ffd, 0x00007ffe, 0x00007ffe},
225                                 {0x7ffffffd, 0xfffffffe, 0xfffffffe},
226                                 {0x00000001, 0x80000001, 0x80000001},
227                                 {0x00007ffe, 0x7fffffff, 0x7fffffff},
228                                 {0xffff8001, 0xffff8002, 0xffff8002},
229                                 {0x00000001, 0xffff8003, 0xffff8003},
230                                 {0x00000002, 0xfffffffe, 0xfffffffe},
231                                 {0x00000002, 0x00007ffd, 0x00007ffd},
232                                 {0x7ffffffe, 0xfffffffd, 0xfffffffd},
233                                 {0xffff8001, 0x7ffffffd, 0x7ffffffd},
234                                 {0x7ffffffd, 0x55555555, 0x55555555},
235                                 {0x80000000, 0xffffff80, 0xffffff80},
236                                 {0xffff8002, 0xffff8003, 0xffff8003},
237                                 {0xffffffff, 0x00000020, 0x00000020},
238                                 {0xfffffffe, 0x00000001, 0x00000001},
239                                 {0x00007fff, 0x00007fff, 0x00007fff},
240                                 {0x00000000, 0xffffff83, 0xffffff83},
241                                 {0x33333333, 0xaaaaaaaa, 0xaaaaaaaa},
242                                 {0x0000007d, 0x7ffffffe, 0x7ffffffe},
243                                 {0xffff8003, 0xffff8001, 0xffff8001},
244                                 {0xfffffffd, 0xcccccccc, 0xcccccccc},
245                                 {0x80000000, 0x80000001, 0x80000001},
246                                 {0xffff8002, 0x00000002, 0x00000002},
247                                 {0xfffffffd, 0xffffffe0, 0xffffffe0},
248                                 {0xffffffe0, 0xffffff82, 0xffffff82},
249                                 {0x33333333, 0x00007ffe, 0x00007ffe},
250                                 {0xffff8002, 0xffffff80, 0xffffff80},
251                                 {0xffffff81, 0x80000000, 0x80000000},
252                                 {0x00000000, 0x80000000, 0x80000000},
253                                 {0x00000000, 0xcccccccc, 0xcccccccc},
254                                 {0x00000020, 0xffffffe0, 0xffffffe0},
255                                 {0x00007ffe, 0xffffffe0, 0xffffffe0},
256                                 {0xffffff81, 0xfffffffe, 0xfffffffe},
257                                 {0x00000002, 0x00007ffe, 0x00007ffe},
258                                 {0xffff8000, 0x7fffffff, 0x7fffffff},
259                                 {0x00000002, 0x55555555, 0x55555555},
260                                 {0xffff8000, 0x55555555, 0x55555555},
261                                 {0xffff8001, 0x00000020, 0x00000020},
262                                 {0xffffffff, 0x55555555, 0x55555555},
263                                 {0x33333333, 0x00000020, 0x00000020},
264                                 {0xfffffffd, 0x7fffffff, 0x7fffffff},
265                                 {0x7ffffffd, 0x7fffffff, 0x7fffffff},
266                                 {0xaaaaaaaa, 0xffffff81, 0xffffff81},
267                                 {0x00007ffd, 0x80000001, 0x80000001},
268                                 {0x7ffffffe, 0xffffffff, 0xffffffff},
269                                 {0x00007ffe, 0x7ffffffe, 0x7ffffffe},
270                                 {0xffff8001, 0x55555555, 0x55555555},
271                                 {0xffffff80, 0xfffffffe, 0xfffffffe},
272                                 {0x0000007e, 0x7ffffffd, 0x7ffffffd},
273                                 {0x00000000, 0x00007ffd, 0x00007ffd},
274                                 {0x00000020, 0x80000001, 0x80000001},
275                                 {0xffffff83, 0xffffffe0, 0xffffffe0},
276                                 {0x55555555, 0xffff8000, 0xffff8000},
277                                 {0x33333333, 0xffff8002, 0xffff8002},
278                                 {0x7ffffffd, 0x0000007f, 0x0000007f},
279                                 {0x00000002, 0xffffff82, 0xffffff82},
280                                 {0xfffffffe, 0xcccccccc, 0xcccccccc},
281                                 {0x33333333, 0xffffff82, 0xffffff82},
282                                 {0x7ffffffd, 0x00007ffd, 0x00007ffd},
283                                 {0x00000002, 0xffffff80, 0xffffff80},
284                                 {0xffff8001, 0x00000000, 0x00000000},
285                                 {0x7ffffffe, 0x0000007d, 0x0000007d},
286                                 {0x00000001, 0x00000020, 0x00000020},
287                                 {0xaaaaaaaa, 0xffffff82, 0xffffff82},
288                                 {0x00000001, 0xfffffffd, 0xfffffffd},
289                                 {0x80000001, 0xfffffffe, 0xfffffffe},
290                                 {0xffffff80, 0x80000000, 0x80000000},
291                                 {0x80000000, 0xffffffff, 0xffffffff},
292                                 {0x00000001, 0x00000001, 0x00000001},
293                                 {0x80000001, 0xffff8003, 0xffff8003},
294                                 {0xffffffff, 0xffffff83, 0xffffff83},
295                                 {0x00007ffe, 0x00007ffe, 0x00007ffe},
296                                 {0x7ffffffd, 0xcccccccc, 0xcccccccc},
297                                 {0xffff8003, 0xcccccccc, 0xcccccccc},
298                                 {0xcccccccc, 0x00007fff, 0x00007fff},
299                                 {0x00000002, 0x7ffffffd, 0x7ffffffd},
300                                 {0x00000002, 0xffff8002, 0xffff8002},
301                                 {0xffffff80, 0x33333333, 0x33333333},
302                                 {0x55555555, 0xffffff82, 0xffffff82},
303                                 {0x7fffffff, 0x00007fff, 0x00007fff},
304                                 {0x33333333, 0x00000001, 0x00000001},
305                                 {0x33333333, 0xffffffe0, 0xffffffe0},
306                                 {0xffffff83, 0x0000007e, 0x0000007e},
307                                 {0x00000002, 0xffff8001, 0xffff8001},
308                                 {0xcccccccc, 0xffffffe0, 0xffffffe0},
309                                 {0xffff8000, 0x7ffffffe, 0x7ffffffe},
310                                 {0x00007ffe, 0xffffff81, 0xffffff81},
311                                 {0x7ffffffd, 0xffffffe0, 0xffffffe0},
312                                 {0x00007fff, 0xffffff81, 0xffffff81},
313                                 {0xffffffff, 0x00007ffd, 0x00007ffd},
314                                 {0x00007fff, 0x80000001, 0x80000001},
315                                 {0xffffffff, 0xcccccccc, 0xcccccccc},
316                                 {0x00007ffd, 0x0000007d, 0x0000007d},
317                                 {0x0000007e, 0x00000000, 0x00000000},
318                                 {0x0000007f, 0x7ffffffe, 0x7ffffffe},
319                                 {0x00000020, 0xffffff82, 0xffffff82},
320                                 {0xcccccccc, 0x80000001, 0x80000001},
321                                 {0xffff8002, 0x00007ffd, 0x00007ffd},
322                                 {0xffff8000, 0x00000001, 0x00000001},
323                                 {0xffffff83, 0xffffff83, 0xffffff83},
324                                 {0x00000002, 0xffffffe0, 0xffffffe0},
325                                 {0xfffffffe, 0xffff8000, 0xffff8000},
326                                 {0x7ffffffe, 0xffffff80, 0xffffff80},
327                                 {0x0000007f, 0xffffff81, 0xffffff81},
328                                 {0xffffffff, 0x0000007f, 0x0000007f},
329                                 {0x7ffffffe, 0x0000007e, 0x0000007e},
330                                 {0x80000000, 0xfffffffd, 0xfffffffd},
331                                 {0x33333333, 0x0000007d, 0x0000007d},
332                                 {0x80000001, 0xcccccccc, 0xcccccccc},
333                                 {0xaaaaaaaa, 0x7ffffffd, 0x7ffffffd},
334                                 {0x7fffffff, 0x0000007f, 0x0000007f},
335                                 {0x0000007e, 0xffff8001, 0xffff8001},
336                                 {0x0000007d, 0xaaaaaaaa, 0xaaaaaaaa},
337                                 {0xffffff82, 0x55555555, 0x55555555},
338                                 {0x55555555, 0xffffff81, 0xffffff81},
339                                 {0xcccccccc, 0xffffff82, 0xffffff82},
340                                 {0x0000007d, 0x0000007d, 0x0000007d},
341                                 {0xfffffffd, 0xfffffffd, 0xfffffffd},
342                                 {0xffffff82, 0xffff8002, 0xffff8002},
343                                 {0xffffffe0, 0x00000001, 0x00000001},
344                                 {0x0000007d, 0x00007ffe, 0x00007ffe},
345                                 {0xfffffffe, 0xffff8003, 0xffff8003},
346                                 {0x00000001, 0xffff8001, 0xffff8001},
347                                 {0xffff8003, 0x00007ffe, 0x00007ffe},
348                                 {0x7ffffffd, 0x00000020, 0x00000020},
349                                 {0xfffffffd, 0x00007ffe, 0x00007ffe},
350                                 {0x7fffffff, 0xfffffffd, 0xfffffffd},
351                                 {0x7fffffff, 0xffff8001, 0xffff8001},
352                                 {0xffff8003, 0xffffffff, 0xffffffff},
353                                 {0x0000007d, 0x33333333, 0x33333333},
354                                 {0xffffffff, 0x00000000, 0x00000000},
355                                 {0xffffffe0, 0xffffff81, 0xffffff81},
356                                 {0xffffffe0, 0xffffffff, 0xffffffff},
357                                 {0x00007ffd, 0x00007ffd, 0x00007ffd},
358                                 {0x00000002, 0x33333333, 0x33333333},
359                                 {0x0000007f, 0x00000002, 0x00000002},
360                                 {0xffff8000, 0x0000007e, 0x0000007e},
361                                 {0x80000000, 0x00007fff, 0x00007fff},
362                                 {0xffff8000, 0xfffffffd, 0xfffffffd},
363                                 {0xffff8002, 0xcccccccc, 0xcccccccc},
364                                 {0xffff8003, 0xffffff82, 0xffffff82}};
365
366static const Inputs kRnIsNotRm[] = {{0x00007ffe, 0x00007ffe, 0x80000000},
367                                    {0x80000001, 0xcccccccc, 0x00000001},
368                                    {0x0000007d, 0x00000020, 0xcccccccc},
369                                    {0x7ffffffd, 0x55555555, 0x0000007f},
370                                    {0x00000020, 0xffff8001, 0x80000001},
371                                    {0xffffffe0, 0xffffff81, 0xffffff83},
372                                    {0x00000002, 0xffffff80, 0xaaaaaaaa},
373                                    {0x00000002, 0x00000001, 0x0000007d},
374                                    {0xffffff83, 0x00007ffd, 0x00000002},
375                                    {0xffff8000, 0x00000020, 0x55555555},
376                                    {0x00007ffd, 0x0000007f, 0x7ffffffd},
377                                    {0xfffffffd, 0x80000000, 0x00000000},
378                                    {0x0000007f, 0x33333333, 0x7fffffff},
379                                    {0x00000000, 0x33333333, 0x55555555},
380                                    {0xffffff81, 0x00007fff, 0xaaaaaaaa},
381                                    {0x33333333, 0x00000000, 0x7ffffffe},
382                                    {0xfffffffe, 0x00000001, 0xffffffff},
383                                    {0xaaaaaaaa, 0xffffffe0, 0xffffff80},
384                                    {0x33333333, 0xffffffe0, 0x7fffffff},
385                                    {0x55555555, 0x7ffffffd, 0xffffff81},
386                                    {0xaaaaaaaa, 0xffffffe0, 0x0000007f},
387                                    {0x00007fff, 0xfffffffd, 0xcccccccc},
388                                    {0x7fffffff, 0xffff8002, 0x00000001},
389                                    {0x0000007d, 0x00000002, 0x7fffffff},
390                                    {0x00000002, 0x55555555, 0x00007ffe},
391                                    {0x00007ffd, 0x0000007d, 0xfffffffe},
392                                    {0x7ffffffd, 0x55555555, 0xffffff83},
393                                    {0x7ffffffe, 0x80000001, 0x00000001},
394                                    {0xfffffffd, 0x80000001, 0x80000000},
395                                    {0xffff8002, 0x00000000, 0x80000001},
396                                    {0x0000007d, 0x00000020, 0x0000007e},
397                                    {0x00000020, 0x0000007f, 0x80000001},
398                                    {0x7ffffffe, 0x80000001, 0xffff8002},
399                                    {0xffffff81, 0xffffff80, 0xffffff81},
400                                    {0x7ffffffe, 0xffffff80, 0x0000007d},
401                                    {0x00007ffd, 0x00000000, 0x55555555},
402                                    {0xcccccccc, 0xcccccccc, 0x7ffffffe},
403                                    {0xffff8002, 0x00000001, 0xffff8000},
404                                    {0x00007ffe, 0x0000007d, 0xffffffe0},
405                                    {0x00007ffd, 0x7ffffffe, 0xffffffe0},
406                                    {0x80000001, 0x7ffffffe, 0xffff8001},
407                                    {0x55555555, 0xffffff80, 0xffff8003},
408                                    {0xfffffffd, 0xffff8002, 0x55555555},
409                                    {0x33333333, 0xffff8000, 0xffff8003},
410                                    {0x7ffffffd, 0xffff8002, 0x0000007e},
411                                    {0x7fffffff, 0xffffff80, 0xfffffffd},
412                                    {0xffff8002, 0x00000001, 0xaaaaaaaa},
413                                    {0xffffff83, 0xffff8001, 0x33333333},
414                                    {0x00000000, 0xfffffffe, 0x0000007e},
415                                    {0x80000000, 0xffffffe0, 0x0000007d},
416                                    {0xffff8000, 0x33333333, 0x00000002},
417                                    {0xfffffffe, 0x00000002, 0xffffffe0},
418                                    {0x00007ffd, 0x0000007e, 0x7ffffffe},
419                                    {0xffffff81, 0xffffffff, 0x00000000},
420                                    {0x0000007e, 0x7ffffffe, 0x33333333},
421                                    {0x00000002, 0x80000001, 0xffffff80},
422                                    {0x7ffffffd, 0xffffff82, 0x7ffffffe},
423                                    {0xffffff81, 0x0000007e, 0xffffff81},
424                                    {0xffff8002, 0x00007fff, 0x0000007f},
425                                    {0xcccccccc, 0xcccccccc, 0x0000007d},
426                                    {0x7ffffffd, 0xffffff80, 0x00007ffe},
427                                    {0x55555555, 0x55555555, 0xfffffffe},
428                                    {0x00000001, 0x00000020, 0x00000001},
429                                    {0x0000007f, 0x7ffffffd, 0x80000001},
430                                    {0x55555555, 0xaaaaaaaa, 0xfffffffd},
431                                    {0x00000020, 0x00007fff, 0xffffff81},
432                                    {0xffffff80, 0x33333333, 0xffffff81},
433                                    {0x00000000, 0xffff8001, 0xffffff83},
434                                    {0x0000007e, 0x33333333, 0x7ffffffd},
435                                    {0xaaaaaaaa, 0x55555555, 0xffffffff},
436                                    {0xfffffffd, 0xffff8000, 0x00000000},
437                                    {0xffff8000, 0xfffffffe, 0x7fffffff},
438                                    {0xffff8001, 0xcccccccc, 0x33333333},
439                                    {0x00007ffd, 0xffff8001, 0x0000007f},
440                                    {0xffffff83, 0x7ffffffd, 0x7fffffff},
441                                    {0xffffff81, 0xffffffe0, 0x00007fff},
442                                    {0xffffffff, 0x00000002, 0xffffff82},
443                                    {0xffff8001, 0xffffff81, 0x55555555},
444                                    {0x00007fff, 0xffffff83, 0x00007ffe},
445                                    {0x00007fff, 0xcccccccc, 0x00000020},
446                                    {0x7fffffff, 0x7ffffffd, 0xffff8000},
447                                    {0x0000007f, 0x80000000, 0x7ffffffd},
448                                    {0x0000007e, 0x0000007e, 0x0000007d},
449                                    {0xfffffffe, 0x00000020, 0xffffff80},
450                                    {0x00007ffd, 0x00007ffe, 0xffffff82},
451                                    {0x00000020, 0x80000000, 0x0000007e},
452                                    {0x00000020, 0x00000002, 0xffffffff},
453                                    {0x00007fff, 0xffff8000, 0x00007fff},
454                                    {0xcccccccc, 0x7ffffffd, 0x80000000},
455                                    {0xffffff80, 0x00000002, 0xffffff81},
456                                    {0xfffffffe, 0xffffff83, 0x33333333},
457                                    {0xffff8000, 0x7ffffffe, 0x55555555},
458                                    {0x00007fff, 0x0000007e, 0xffffff81},
459                                    {0xaaaaaaaa, 0xcccccccc, 0xffffffe0},
460                                    {0x7ffffffd, 0xffffffff, 0xffff8003},
461                                    {0xffffff81, 0xffff8002, 0xffffff82},
462                                    {0x00000002, 0xffffffe0, 0x80000001},
463                                    {0x7ffffffe, 0x33333333, 0xaaaaaaaa},
464                                    {0x00007fff, 0x00000020, 0xfffffffe},
465                                    {0xcccccccc, 0xfffffffe, 0x00000000},
466                                    {0x7ffffffe, 0x80000001, 0xfffffffd},
467                                    {0xffffffe0, 0x00000000, 0xaaaaaaaa},
468                                    {0x80000000, 0xffffff83, 0xffff8000},
469                                    {0xffffff81, 0xfffffffe, 0xffffff83},
470                                    {0x80000000, 0x0000007e, 0xffff8002},
471                                    {0x80000001, 0x00000020, 0x00007ffe},
472                                    {0x00000000, 0x00000020, 0x0000007e},
473                                    {0x80000001, 0xffffffff, 0x7ffffffe},
474                                    {0xffffff83, 0x33333333, 0x00000001},
475                                    {0x00000020, 0xffffff80, 0xffffff81},
476                                    {0xcccccccc, 0xffff8000, 0x00007ffd},
477                                    {0xffff8003, 0x00000000, 0x0000007f},
478                                    {0xffff8003, 0x00000001, 0x0000007d},
479                                    {0x0000007e, 0x00000020, 0x55555555},
480                                    {0xffffffff, 0xfffffffe, 0xffffff83},
481                                    {0xffffff80, 0x80000000, 0xfffffffe},
482                                    {0x0000007e, 0x0000007e, 0x00000000},
483                                    {0xaaaaaaaa, 0x00000002, 0xffffffe0},
484                                    {0xffff8001, 0x00007ffe, 0x00000020},
485                                    {0x7ffffffe, 0xffff8000, 0x00007ffe},
486                                    {0xffffff80, 0x33333333, 0x00007fff},
487                                    {0x33333333, 0xffffff81, 0x00000001},
488                                    {0x00000000, 0x33333333, 0x00000020},
489                                    {0x00007fff, 0x00000020, 0x0000007e},
490                                    {0xcccccccc, 0x55555555, 0xffffffe0},
491                                    {0xffffff80, 0x0000007e, 0x33333333},
492                                    {0x0000007e, 0xffff8002, 0x00000000},
493                                    {0xffffff83, 0xffffffe0, 0xfffffffd},
494                                    {0x00000001, 0x0000007f, 0xffff8001},
495                                    {0xffffffff, 0x00000020, 0xcccccccc},
496                                    {0x7ffffffd, 0xfffffffd, 0xffff8000},
497                                    {0xffffffff, 0x80000000, 0x00007fff},
498                                    {0x00000020, 0xffffffe0, 0xfffffffd},
499                                    {0x55555555, 0xffff8002, 0x0000007f},
500                                    {0xffff8002, 0x55555555, 0x0000007f},
501                                    {0xffff8003, 0xffff8000, 0x0000007d},
502                                    {0x00007fff, 0x00007ffe, 0x00000000},
503                                    {0xcccccccc, 0xffffff81, 0x00007fff},
504                                    {0x7ffffffd, 0xcccccccc, 0xffff8000},
505                                    {0x7ffffffe, 0xffff8001, 0x80000000},
506                                    {0x0000007f, 0xffffffe0, 0x80000001},
507                                    {0xffff8000, 0x00007ffd, 0xffff8003},
508                                    {0xffff8001, 0xffffff80, 0x00000001},
509                                    {0x33333333, 0x00000000, 0x80000000},
510                                    {0xfffffffe, 0x7ffffffd, 0x80000001},
511                                    {0x00000000, 0xffffffe0, 0x80000001},
512                                    {0xffff8002, 0x7ffffffe, 0x33333333},
513                                    {0xffffffe0, 0x0000007e, 0x00000001},
514                                    {0xffffff80, 0xffffffe0, 0x00007ffe},
515                                    {0xffff8000, 0x0000007f, 0x80000001},
516                                    {0xffffff80, 0xffffff80, 0xffff8002},
517                                    {0x7fffffff, 0x0000007f, 0xfffffffd},
518                                    {0x00000001, 0xffffffe0, 0xffffffff},
519                                    {0x55555555, 0x0000007f, 0xffff8002},
520                                    {0xffff8001, 0xfffffffd, 0x00000020},
521                                    {0x00007ffd, 0xfffffffd, 0x0000007e},
522                                    {0xfffffffd, 0xffff8003, 0x55555555},
523                                    {0xfffffffe, 0xffffff80, 0x0000007f},
524                                    {0x0000007f, 0x0000007f, 0xfffffffe},
525                                    {0x33333333, 0x55555555, 0xffff8003},
526                                    {0x0000007d, 0x00000020, 0x55555555},
527                                    {0xffff8003, 0x33333333, 0xffffff83},
528                                    {0xffffffe0, 0x00007fff, 0xffffff80},
529                                    {0x00000020, 0x00000001, 0x0000007d},
530                                    {0xffffff83, 0x00007fff, 0xaaaaaaaa},
531                                    {0xfffffffd, 0xffffff83, 0x55555555},
532                                    {0xffff8002, 0x00007fff, 0xffffffe0},
533                                    {0x80000001, 0xffffff82, 0x00007ffd},
534                                    {0xffff8000, 0x00000002, 0xffffffe0},
535                                    {0xfffffffd, 0xffffff80, 0x7ffffffe},
536                                    {0xffffffff, 0xaaaaaaaa, 0xffff8000},
537                                    {0x7ffffffd, 0x00000002, 0xffff8002},
538                                    {0xffff8001, 0x00007ffe, 0xffffffff},
539                                    {0xffff8001, 0x00000001, 0x00000000},
540                                    {0x80000001, 0xffffff80, 0x7ffffffd},
541                                    {0xffffff80, 0x0000007d, 0xffffff81},
542                                    {0xffffff81, 0xcccccccc, 0xffffff81},
543                                    {0xaaaaaaaa, 0x00000000, 0xffffff81},
544                                    {0x00000002, 0x00000020, 0xffffff81},
545                                    {0x7ffffffd, 0x7ffffffe, 0xffffff83},
546                                    {0x7fffffff, 0x55555555, 0x0000007f},
547                                    {0xfffffffd, 0xffffff82, 0xfffffffd},
548                                    {0x00000020, 0x00007ffd, 0xffffff81},
549                                    {0x0000007e, 0xffffff83, 0x33333333},
550                                    {0xffffff83, 0x00007fff, 0x00000002},
551                                    {0xffffffe0, 0xffffff80, 0xffff8001},
552                                    {0x00000000, 0x00000000, 0x00000002},
553                                    {0xfffffffd, 0x7ffffffe, 0x00000001},
554                                    {0xfffffffd, 0xfffffffd, 0xffffff80},
555                                    {0xffffff83, 0x00000000, 0x00007ffe},
556                                    {0xffff8002, 0xcccccccc, 0x33333333},
557                                    {0xffffff80, 0xffffff81, 0x0000007d},
558                                    {0x0000007e, 0xffff8000, 0x00007ffe},
559                                    {0x0000007e, 0x80000000, 0x80000001},
560                                    {0xffffff83, 0x00007fff, 0xffffffe0},
561                                    {0xcccccccc, 0x00007fff, 0xffffff80},
562                                    {0x0000007f, 0x0000007e, 0xfffffffd},
563                                    {0xcccccccc, 0xffffffff, 0x00000001},
564                                    {0xffffffff, 0xffff8000, 0xffffff82},
565                                    {0xfffffffe, 0x00000002, 0xffffffff}};
566
567
568// A loop will be generated for each element of this array.
569const TestLoopData kTests[] = {
570    {{r9, r8, r8}, "r9 r8 r8", "RnIsRm_r9_r8_r8", ARRAY_SIZE(kRnIsRm), kRnIsRm},
571    {{r6, r11, r11},
572     "r6 r11 r11",
573     "RnIsRm_r6_r11_r11",
574     ARRAY_SIZE(kRnIsRm),
575     kRnIsRm},
576    {{r3, r12, r12},
577     "r3 r12 r12",
578     "RnIsRm_r3_r12_r12",
579     ARRAY_SIZE(kRnIsRm),
580     kRnIsRm},
581    {{r14, r3, r3},
582     "r14 r3 r3",
583     "RnIsRm_r14_r3_r3",
584     ARRAY_SIZE(kRnIsRm),
585     kRnIsRm},
586    {{r10, r4, r4},
587     "r10 r4 r4",
588     "RnIsRm_r10_r4_r4",
589     ARRAY_SIZE(kRnIsRm),
590     kRnIsRm},
591    {{r6, r8, r8}, "r6 r8 r8", "RnIsRm_r6_r8_r8", ARRAY_SIZE(kRnIsRm), kRnIsRm},
592    {{r5, r7, r7}, "r5 r7 r7", "RnIsRm_r5_r7_r7", ARRAY_SIZE(kRnIsRm), kRnIsRm},
593    {{r6, r3, r3}, "r6 r3 r3", "RnIsRm_r6_r3_r3", ARRAY_SIZE(kRnIsRm), kRnIsRm},
594    {{r7, r0, r0}, "r7 r0 r0", "RnIsRm_r7_r0_r0", ARRAY_SIZE(kRnIsRm), kRnIsRm},
595    {{r2, r1, r1}, "r2 r1 r1", "RnIsRm_r2_r1_r1", ARRAY_SIZE(kRnIsRm), kRnIsRm},
596    {{r5, r3, r14},
597     "r5 r3 r14",
598     "RnIsNotRm_r5_r3_r14",
599     ARRAY_SIZE(kRnIsNotRm),
600     kRnIsNotRm},
601    {{r10, r8, r3},
602     "r10 r8 r3",
603     "RnIsNotRm_r10_r8_r3",
604     ARRAY_SIZE(kRnIsNotRm),
605     kRnIsNotRm},
606    {{r2, r8, r11},
607     "r2 r8 r11",
608     "RnIsNotRm_r2_r8_r11",
609     ARRAY_SIZE(kRnIsNotRm),
610     kRnIsNotRm},
611    {{r7, r12, r7},
612     "r7 r12 r7",
613     "RnIsNotRm_r7_r12_r7",
614     ARRAY_SIZE(kRnIsNotRm),
615     kRnIsNotRm},
616    {{r2, r4, r10},
617     "r2 r4 r10",
618     "RnIsNotRm_r2_r4_r10",
619     ARRAY_SIZE(kRnIsNotRm),
620     kRnIsNotRm},
621    {{r1, r10, r8},
622     "r1 r10 r8",
623     "RnIsNotRm_r1_r10_r8",
624     ARRAY_SIZE(kRnIsNotRm),
625     kRnIsNotRm},
626    {{r1, r4, r2},
627     "r1 r4 r2",
628     "RnIsNotRm_r1_r4_r2",
629     ARRAY_SIZE(kRnIsNotRm),
630     kRnIsNotRm},
631    {{r12, r2, r12},
632     "r12 r2 r12",
633     "RnIsNotRm_r12_r2_r12",
634     ARRAY_SIZE(kRnIsNotRm),
635     kRnIsNotRm},
636    {{r4, r8, r5},
637     "r4 r8 r5",
638     "RnIsNotRm_r4_r8_r5",
639     ARRAY_SIZE(kRnIsNotRm),
640     kRnIsNotRm},
641    {{r4, r0, r9},
642     "r4 r0 r9",
643     "RnIsNotRm_r4_r0_r9",
644     ARRAY_SIZE(kRnIsNotRm),
645     kRnIsNotRm}};
646
647// We record all inputs to the instructions as outputs. This way, we also check
648// that what shouldn't change didn't change.
649struct TestResult {
650  size_t output_size;
651  const Inputs* outputs;
652};
653
654// These headers each contain an array of `TestResult` with the reference output
655// values. The reference arrays are names `kReference{mnemonic}`.
656#include "aarch32/traces/simulator-rd-rn-rm-t32-crc32b.h"
657#include "aarch32/traces/simulator-rd-rn-rm-t32-crc32cb.h"
658#include "aarch32/traces/simulator-rd-rn-rm-t32-crc32ch.h"
659#include "aarch32/traces/simulator-rd-rn-rm-t32-crc32cw.h"
660#include "aarch32/traces/simulator-rd-rn-rm-t32-crc32h.h"
661#include "aarch32/traces/simulator-rd-rn-rm-t32-crc32w.h"
662
663
664// The maximum number of errors to report in detail for each test.
665const unsigned kErrorReportLimit = 8;
666
667typedef void (MacroAssembler::*Fn)(Register rd, Register rn, Register rm);
668
669void TestHelper(Fn instruction,
670                const char* mnemonic,
671                const TestResult reference[]) {
672  SETUP();
673  masm.UseT32();
674  START();
675
676  // Data to compare to `reference`.
677  TestResult* results[ARRAY_SIZE(kTests)];
678
679  // Test cases for memory bound instructions may allocate a buffer and save its
680  // address in this array.
681  byte* scratch_memory_buffers[ARRAY_SIZE(kTests)];
682
683  // Generate a loop for each element in `kTests`. Each loop tests one specific
684  // instruction.
685  for (unsigned i = 0; i < ARRAY_SIZE(kTests); i++) {
686    // Allocate results on the heap for this test.
687    results[i] = new TestResult;
688    results[i]->outputs = new Inputs[kTests[i].input_size];
689    results[i]->output_size = kTests[i].input_size;
690
691    size_t input_stride = sizeof(kTests[i].inputs[0]) * kTests[i].input_size;
692    VIXL_ASSERT(IsUint32(input_stride));
693
694    scratch_memory_buffers[i] = NULL;
695
696    Label loop;
697    UseScratchRegisterScope scratch_registers(&masm);
698    // Include all registers from r0 ro r12.
699    scratch_registers.Include(RegisterList(0x1fff));
700
701    // Values to pass to the macro-assembler.
702    Register rd = kTests[i].operands.rd;
703    Register rn = kTests[i].operands.rn;
704    Register rm = kTests[i].operands.rm;
705    scratch_registers.Exclude(rd);
706    scratch_registers.Exclude(rn);
707    scratch_registers.Exclude(rm);
708
709    // Allocate reserved registers for our own use.
710    Register input_ptr = scratch_registers.Acquire();
711    Register input_end = scratch_registers.Acquire();
712    Register result_ptr = scratch_registers.Acquire();
713
714    // Initialize `input_ptr` to the first element and `input_end` the address
715    // after the array.
716    __ Mov(input_ptr, Operand::From(kTests[i].inputs));
717    __ Add(input_end, input_ptr, static_cast<uint32_t>(input_stride));
718    __ Mov(result_ptr, Operand::From(results[i]->outputs));
719    __ Bind(&loop);
720
721    __ Ldr(rd, MemOperand(input_ptr, offsetof(Inputs, rd)));
722    __ Ldr(rn, MemOperand(input_ptr, offsetof(Inputs, rn)));
723    __ Ldr(rm, MemOperand(input_ptr, offsetof(Inputs, rm)));
724
725    (masm.*instruction)(rd, rn, rm);
726
727    __ Str(rd, MemOperand(result_ptr, offsetof(Inputs, rd)));
728    __ Str(rn, MemOperand(result_ptr, offsetof(Inputs, rn)));
729    __ Str(rm, MemOperand(result_ptr, offsetof(Inputs, rm)));
730
731    // Advance the result pointer.
732    __ Add(result_ptr, result_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
733    // Loop back until `input_ptr` is lower than `input_base`.
734    __ Add(input_ptr, input_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
735    __ Cmp(input_ptr, input_end);
736    __ B(ne, &loop);
737  }
738
739  END();
740
741  RUN();
742
743  if (Test::generate_test_trace()) {
744    // Print the results.
745    for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
746      printf("const Inputs kOutputs_%s_%s[] = {\n",
747             mnemonic,
748             kTests[i].identifier);
749      for (size_t j = 0; j < results[i]->output_size; j++) {
750        printf("  { ");
751        printf("0x%08" PRIx32, results[i]->outputs[j].rd);
752        printf(", ");
753        printf("0x%08" PRIx32, results[i]->outputs[j].rn);
754        printf(", ");
755        printf("0x%08" PRIx32, results[i]->outputs[j].rm);
756        printf(" },\n");
757      }
758      printf("};\n");
759    }
760    printf("const TestResult kReference%s[] = {\n", mnemonic);
761    for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
762      printf("  {\n");
763      printf("    ARRAY_SIZE(kOutputs_%s_%s),\n",
764             mnemonic,
765             kTests[i].identifier);
766      printf("    kOutputs_%s_%s,\n", mnemonic, kTests[i].identifier);
767      printf("  },\n");
768    }
769    printf("};\n");
770  } else if (kCheckSimulatorTestResults) {
771    // Check the results.
772    unsigned total_error_count = 0;
773    for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
774      bool instruction_has_errors = false;
775      for (size_t j = 0; j < kTests[i].input_size; j++) {
776        uint32_t rd = results[i]->outputs[j].rd;
777        uint32_t rn = results[i]->outputs[j].rn;
778        uint32_t rm = results[i]->outputs[j].rm;
779        uint32_t rd_input = kTests[i].inputs[j].rd;
780        uint32_t rn_input = kTests[i].inputs[j].rn;
781        uint32_t rm_input = kTests[i].inputs[j].rm;
782        uint32_t rd_ref = reference[i].outputs[j].rd;
783        uint32_t rn_ref = reference[i].outputs[j].rn;
784        uint32_t rm_ref = reference[i].outputs[j].rm;
785
786        if (((rd != rd_ref) || (rn != rn_ref) || (rm != rm_ref)) &&
787            (++total_error_count <= kErrorReportLimit)) {
788          // Print the instruction once even if it triggered multiple failures.
789          if (!instruction_has_errors) {
790            printf("Error(s) when testing \"%s %s\":\n",
791                   mnemonic,
792                   kTests[i].operands_description);
793            instruction_has_errors = true;
794          }
795          // Print subsequent errors.
796          printf("  Input:    ");
797          printf("0x%08" PRIx32, rd_input);
798          printf(", ");
799          printf("0x%08" PRIx32, rn_input);
800          printf(", ");
801          printf("0x%08" PRIx32, rm_input);
802          printf("\n");
803          printf("  Expected: ");
804          printf("0x%08" PRIx32, rd_ref);
805          printf(", ");
806          printf("0x%08" PRIx32, rn_ref);
807          printf(", ");
808          printf("0x%08" PRIx32, rm_ref);
809          printf("\n");
810          printf("  Found:    ");
811          printf("0x%08" PRIx32, rd);
812          printf(", ");
813          printf("0x%08" PRIx32, rn);
814          printf(", ");
815          printf("0x%08" PRIx32, rm);
816          printf("\n\n");
817        }
818      }
819    }
820
821    if (total_error_count > kErrorReportLimit) {
822      printf("%u other errors follow.\n",
823             total_error_count - kErrorReportLimit);
824    }
825    VIXL_CHECK(total_error_count == 0);
826  } else {
827    VIXL_WARNING("Assembled the code, but did not run anything.\n");
828  }
829
830  for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
831    delete[] results[i]->outputs;
832    delete results[i];
833    delete[] scratch_memory_buffers[i];
834  }
835
836  TEARDOWN();
837}
838
839// Instantiate tests for each instruction in the list.
840// TODO: Remove this limitation by having a sandboxing mechanism.
841#if defined(VIXL_HOST_POINTER_32)
842#define TEST(mnemonic)                                                      \
843  void Test_##mnemonic() {                                                  \
844    TestHelper(&MacroAssembler::mnemonic, #mnemonic, kReference##mnemonic); \
845  }                                                                         \
846  Test test_##mnemonic("AARCH32_SIMULATOR_RD_RN_RM_T32_" #mnemonic,         \
847                       &Test_##mnemonic);
848#else
849#define TEST(mnemonic)                                              \
850  void Test_##mnemonic() {                                          \
851    VIXL_WARNING("This test can only run on a 32-bit host.\n");     \
852    USE(TestHelper);                                                \
853  }                                                                 \
854  Test test_##mnemonic("AARCH32_SIMULATOR_RD_RN_RM_T32_" #mnemonic, \
855                       &Test_##mnemonic);
856#endif
857
858FOREACH_INSTRUCTION(TEST)
859#undef TEST
860
861}  // namespace
862#endif
863
864}  // namespace aarch32
865}  // namespace vixl
866