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/disasm-aarch32.h"
44#include "aarch32/macro-assembler-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#else  // ifdef VIXL_INCLUDE_SIMULATOR_AARCH32.
64
65#define SETUP()                  \
66  MacroAssembler masm(BUF_SIZE); \
67  UseScratchRegisterScope harness_scratch;
68
69#define START()                 \
70  harness_scratch.Open(&masm);  \
71  harness_scratch.ExcludeAll(); \
72  masm.GetBuffer()->Reset();    \
73  __ Push(r4);                  \
74  __ Push(r5);                  \
75  __ Push(r6);                  \
76  __ Push(r7);                  \
77  __ Push(r8);                  \
78  __ Push(r9);                  \
79  __ Push(r10);                 \
80  __ Push(r11);                 \
81  __ Push(lr);                  \
82  harness_scratch.Include(ip);
83
84#define END()                  \
85  harness_scratch.Exclude(ip); \
86  __ Pop(lr);                  \
87  __ Pop(r11);                 \
88  __ Pop(r10);                 \
89  __ Pop(r9);                  \
90  __ Pop(r8);                  \
91  __ Pop(r7);                  \
92  __ Pop(r6);                  \
93  __ Pop(r5);                  \
94  __ Pop(r4);                  \
95  __ Bx(lr);                   \
96  __ FinalizeCode();           \
97  harness_scratch.Close();
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#endif  // ifdef VIXL_INCLUDE_SIMULATOR_AARCH32
110
111namespace vixl {
112namespace aarch32 {
113
114// List of instruction encodings:
115#define FOREACH_INSTRUCTION(M) \
116  M(Cmn)                       \
117  M(Cmp)                       \
118  M(Mov)                       \
119  M(Movs)                      \
120  M(Mvn)                       \
121  M(Mvns)                      \
122  M(Teq)                       \
123  M(Tst)
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_A32
134namespace {
135
136// Values to be passed to the assembler to produce the instruction under test.
137struct Operands {
138  Condition cond;
139  Register rd;
140  uint32_t immediate;
141};
142
143// Input data to feed to the instruction.
144struct Inputs {
145  uint32_t apsr;
146  uint32_t rd;
147};
148
149// This structure contains all input data needed to test one specific encoding.
150// It used to generate a loop over an instruction.
151struct TestLoopData {
152  // The `operands` fields represents the values to pass to the assembler to
153  // produce the instruction.
154  Operands operands;
155  // Description of the operands, used for error reporting.
156  const char* operands_description;
157  // Unique identifier, used for generating traces.
158  const char* identifier;
159  // Array of values to be fed to the instruction.
160  size_t input_size;
161  const Inputs* inputs;
162};
163
164static const Inputs kCondition[] = {{NFlag, 0xabababab},
165                                    {ZFlag, 0xabababab},
166                                    {CFlag, 0xabababab},
167                                    {VFlag, 0xabababab},
168                                    {NZFlag, 0xabababab},
169                                    {NCFlag, 0xabababab},
170                                    {NVFlag, 0xabababab},
171                                    {ZCFlag, 0xabababab},
172                                    {ZVFlag, 0xabababab},
173                                    {CVFlag, 0xabababab},
174                                    {NZCFlag, 0xabababab},
175                                    {NZVFlag, 0xabababab},
176                                    {NCVFlag, 0xabababab},
177                                    {ZCVFlag, 0xabababab},
178                                    {NZCVFlag, 0xabababab}};
179
180static const Inputs kModifiedImmediate[] =
181    {{NoFlag, 0x00000000}, {NoFlag, 0x00000001}, {NoFlag, 0x00000002},
182     {NoFlag, 0x00000020}, {NoFlag, 0x0000007d}, {NoFlag, 0x0000007e},
183     {NoFlag, 0x0000007f}, {NoFlag, 0x00007ffd}, {NoFlag, 0x00007ffe},
184     {NoFlag, 0x00007fff}, {NoFlag, 0x33333333}, {NoFlag, 0x55555555},
185     {NoFlag, 0x7ffffffd}, {NoFlag, 0x7ffffffe}, {NoFlag, 0x7fffffff},
186     {NoFlag, 0x80000000}, {NoFlag, 0x80000001}, {NoFlag, 0xaaaaaaaa},
187     {NoFlag, 0xcccccccc}, {NoFlag, 0xffff8000}, {NoFlag, 0xffff8001},
188     {NoFlag, 0xffff8002}, {NoFlag, 0xffff8003}, {NoFlag, 0xffffff80},
189     {NoFlag, 0xffffff81}, {NoFlag, 0xffffff82}, {NoFlag, 0xffffff83},
190     {NoFlag, 0xffffffe0}, {NoFlag, 0xfffffffd}, {NoFlag, 0xfffffffe},
191     {NoFlag, 0xffffffff}};
192
193
194// A loop will be generated for each element of this array.
195const TestLoopData kTests[] = {{{eq, r0, 0x000000ab},
196                                "eq r0 0x000000ab",
197                                "Condition_eq_r0_0x000000ab",
198                                ARRAY_SIZE(kCondition),
199                                kCondition},
200                               {{ne, r0, 0x000000ab},
201                                "ne r0 0x000000ab",
202                                "Condition_ne_r0_0x000000ab",
203                                ARRAY_SIZE(kCondition),
204                                kCondition},
205                               {{cs, r0, 0x000000ab},
206                                "cs r0 0x000000ab",
207                                "Condition_cs_r0_0x000000ab",
208                                ARRAY_SIZE(kCondition),
209                                kCondition},
210                               {{cc, r0, 0x000000ab},
211                                "cc r0 0x000000ab",
212                                "Condition_cc_r0_0x000000ab",
213                                ARRAY_SIZE(kCondition),
214                                kCondition},
215                               {{mi, r0, 0x000000ab},
216                                "mi r0 0x000000ab",
217                                "Condition_mi_r0_0x000000ab",
218                                ARRAY_SIZE(kCondition),
219                                kCondition},
220                               {{pl, r0, 0x000000ab},
221                                "pl r0 0x000000ab",
222                                "Condition_pl_r0_0x000000ab",
223                                ARRAY_SIZE(kCondition),
224                                kCondition},
225                               {{vs, r0, 0x000000ab},
226                                "vs r0 0x000000ab",
227                                "Condition_vs_r0_0x000000ab",
228                                ARRAY_SIZE(kCondition),
229                                kCondition},
230                               {{vc, r0, 0x000000ab},
231                                "vc r0 0x000000ab",
232                                "Condition_vc_r0_0x000000ab",
233                                ARRAY_SIZE(kCondition),
234                                kCondition},
235                               {{hi, r0, 0x000000ab},
236                                "hi r0 0x000000ab",
237                                "Condition_hi_r0_0x000000ab",
238                                ARRAY_SIZE(kCondition),
239                                kCondition},
240                               {{ls, r0, 0x000000ab},
241                                "ls r0 0x000000ab",
242                                "Condition_ls_r0_0x000000ab",
243                                ARRAY_SIZE(kCondition),
244                                kCondition},
245                               {{ge, r0, 0x000000ab},
246                                "ge r0 0x000000ab",
247                                "Condition_ge_r0_0x000000ab",
248                                ARRAY_SIZE(kCondition),
249                                kCondition},
250                               {{lt, r0, 0x000000ab},
251                                "lt r0 0x000000ab",
252                                "Condition_lt_r0_0x000000ab",
253                                ARRAY_SIZE(kCondition),
254                                kCondition},
255                               {{gt, r0, 0x000000ab},
256                                "gt r0 0x000000ab",
257                                "Condition_gt_r0_0x000000ab",
258                                ARRAY_SIZE(kCondition),
259                                kCondition},
260                               {{le, r0, 0x000000ab},
261                                "le r0 0x000000ab",
262                                "Condition_le_r0_0x000000ab",
263                                ARRAY_SIZE(kCondition),
264                                kCondition},
265                               {{al, r0, 0x000000ab},
266                                "al r0 0x000000ab",
267                                "Condition_al_r0_0x000000ab",
268                                ARRAY_SIZE(kCondition),
269                                kCondition},
270                               {{al, r0, 0x00000000},
271                                "al r0 0x00000000",
272                                "ModifiedImmediate_al_r0_0x00000000",
273                                ARRAY_SIZE(kModifiedImmediate),
274                                kModifiedImmediate},
275                               {{al, r0, 0x000000ff},
276                                "al r0 0x000000ff",
277                                "ModifiedImmediate_al_r0_0x000000ff",
278                                ARRAY_SIZE(kModifiedImmediate),
279                                kModifiedImmediate},
280                               {{al, r0, 0xc000003f},
281                                "al r0 0xc000003f",
282                                "ModifiedImmediate_al_r0_0xc000003f",
283                                ARRAY_SIZE(kModifiedImmediate),
284                                kModifiedImmediate},
285                               {{al, r0, 0xf000000f},
286                                "al r0 0xf000000f",
287                                "ModifiedImmediate_al_r0_0xf000000f",
288                                ARRAY_SIZE(kModifiedImmediate),
289                                kModifiedImmediate},
290                               {{al, r0, 0xfc000003},
291                                "al r0 0xfc000003",
292                                "ModifiedImmediate_al_r0_0xfc000003",
293                                ARRAY_SIZE(kModifiedImmediate),
294                                kModifiedImmediate},
295                               {{al, r0, 0xff000000},
296                                "al r0 0xff000000",
297                                "ModifiedImmediate_al_r0_0xff000000",
298                                ARRAY_SIZE(kModifiedImmediate),
299                                kModifiedImmediate},
300                               {{al, r0, 0x3fc00000},
301                                "al r0 0x3fc00000",
302                                "ModifiedImmediate_al_r0_0x3fc00000",
303                                ARRAY_SIZE(kModifiedImmediate),
304                                kModifiedImmediate},
305                               {{al, r0, 0x0ff00000},
306                                "al r0 0x0ff00000",
307                                "ModifiedImmediate_al_r0_0x0ff00000",
308                                ARRAY_SIZE(kModifiedImmediate),
309                                kModifiedImmediate},
310                               {{al, r0, 0x03fc0000},
311                                "al r0 0x03fc0000",
312                                "ModifiedImmediate_al_r0_0x03fc0000",
313                                ARRAY_SIZE(kModifiedImmediate),
314                                kModifiedImmediate},
315                               {{al, r0, 0x00ff0000},
316                                "al r0 0x00ff0000",
317                                "ModifiedImmediate_al_r0_0x00ff0000",
318                                ARRAY_SIZE(kModifiedImmediate),
319                                kModifiedImmediate},
320                               {{al, r0, 0x003fc000},
321                                "al r0 0x003fc000",
322                                "ModifiedImmediate_al_r0_0x003fc000",
323                                ARRAY_SIZE(kModifiedImmediate),
324                                kModifiedImmediate},
325                               {{al, r0, 0x000ff000},
326                                "al r0 0x000ff000",
327                                "ModifiedImmediate_al_r0_0x000ff000",
328                                ARRAY_SIZE(kModifiedImmediate),
329                                kModifiedImmediate},
330                               {{al, r0, 0x0003fc00},
331                                "al r0 0x0003fc00",
332                                "ModifiedImmediate_al_r0_0x0003fc00",
333                                ARRAY_SIZE(kModifiedImmediate),
334                                kModifiedImmediate},
335                               {{al, r0, 0x0000ff00},
336                                "al r0 0x0000ff00",
337                                "ModifiedImmediate_al_r0_0x0000ff00",
338                                ARRAY_SIZE(kModifiedImmediate),
339                                kModifiedImmediate},
340                               {{al, r0, 0x00003fc0},
341                                "al r0 0x00003fc0",
342                                "ModifiedImmediate_al_r0_0x00003fc0",
343                                ARRAY_SIZE(kModifiedImmediate),
344                                kModifiedImmediate},
345                               {{al, r0, 0x00000ff0},
346                                "al r0 0x00000ff0",
347                                "ModifiedImmediate_al_r0_0x00000ff0",
348                                ARRAY_SIZE(kModifiedImmediate),
349                                kModifiedImmediate},
350                               {{al, r0, 0x000003fc},
351                                "al r0 0x000003fc",
352                                "ModifiedImmediate_al_r0_0x000003fc",
353                                ARRAY_SIZE(kModifiedImmediate),
354                                kModifiedImmediate},
355                               {{al, r0, 0x000000ab},
356                                "al r0 0x000000ab",
357                                "ModifiedImmediate_al_r0_0x000000ab",
358                                ARRAY_SIZE(kModifiedImmediate),
359                                kModifiedImmediate},
360                               {{al, r0, 0xc000002a},
361                                "al r0 0xc000002a",
362                                "ModifiedImmediate_al_r0_0xc000002a",
363                                ARRAY_SIZE(kModifiedImmediate),
364                                kModifiedImmediate},
365                               {{al, r0, 0xb000000a},
366                                "al r0 0xb000000a",
367                                "ModifiedImmediate_al_r0_0xb000000a",
368                                ARRAY_SIZE(kModifiedImmediate),
369                                kModifiedImmediate},
370                               {{al, r0, 0xac000002},
371                                "al r0 0xac000002",
372                                "ModifiedImmediate_al_r0_0xac000002",
373                                ARRAY_SIZE(kModifiedImmediate),
374                                kModifiedImmediate},
375                               {{al, r0, 0xab000000},
376                                "al r0 0xab000000",
377                                "ModifiedImmediate_al_r0_0xab000000",
378                                ARRAY_SIZE(kModifiedImmediate),
379                                kModifiedImmediate},
380                               {{al, r0, 0x2ac00000},
381                                "al r0 0x2ac00000",
382                                "ModifiedImmediate_al_r0_0x2ac00000",
383                                ARRAY_SIZE(kModifiedImmediate),
384                                kModifiedImmediate},
385                               {{al, r0, 0x0ab00000},
386                                "al r0 0x0ab00000",
387                                "ModifiedImmediate_al_r0_0x0ab00000",
388                                ARRAY_SIZE(kModifiedImmediate),
389                                kModifiedImmediate},
390                               {{al, r0, 0x02ac0000},
391                                "al r0 0x02ac0000",
392                                "ModifiedImmediate_al_r0_0x02ac0000",
393                                ARRAY_SIZE(kModifiedImmediate),
394                                kModifiedImmediate},
395                               {{al, r0, 0x00ab0000},
396                                "al r0 0x00ab0000",
397                                "ModifiedImmediate_al_r0_0x00ab0000",
398                                ARRAY_SIZE(kModifiedImmediate),
399                                kModifiedImmediate},
400                               {{al, r0, 0x002ac000},
401                                "al r0 0x002ac000",
402                                "ModifiedImmediate_al_r0_0x002ac000",
403                                ARRAY_SIZE(kModifiedImmediate),
404                                kModifiedImmediate},
405                               {{al, r0, 0x000ab000},
406                                "al r0 0x000ab000",
407                                "ModifiedImmediate_al_r0_0x000ab000",
408                                ARRAY_SIZE(kModifiedImmediate),
409                                kModifiedImmediate},
410                               {{al, r0, 0x0002ac00},
411                                "al r0 0x0002ac00",
412                                "ModifiedImmediate_al_r0_0x0002ac00",
413                                ARRAY_SIZE(kModifiedImmediate),
414                                kModifiedImmediate},
415                               {{al, r0, 0x0000ab00},
416                                "al r0 0x0000ab00",
417                                "ModifiedImmediate_al_r0_0x0000ab00",
418                                ARRAY_SIZE(kModifiedImmediate),
419                                kModifiedImmediate},
420                               {{al, r0, 0x00002ac0},
421                                "al r0 0x00002ac0",
422                                "ModifiedImmediate_al_r0_0x00002ac0",
423                                ARRAY_SIZE(kModifiedImmediate),
424                                kModifiedImmediate},
425                               {{al, r0, 0x00000ab0},
426                                "al r0 0x00000ab0",
427                                "ModifiedImmediate_al_r0_0x00000ab0",
428                                ARRAY_SIZE(kModifiedImmediate),
429                                kModifiedImmediate},
430                               {{al, r0, 0x000002ac},
431                                "al r0 0x000002ac",
432                                "ModifiedImmediate_al_r0_0x000002ac",
433                                ARRAY_SIZE(kModifiedImmediate),
434                                kModifiedImmediate}};
435
436// We record all inputs to the instructions as outputs. This way, we also check
437// that what shouldn't change didn't change.
438struct TestResult {
439  size_t output_size;
440  const Inputs* outputs;
441};
442
443// These headers each contain an array of `TestResult` with the reference output
444// values. The reference arrays are names `kReference{mnemonic}`.
445#include "aarch32/traces/simulator-cond-rd-operand-const-cmn-a32.h"
446#include "aarch32/traces/simulator-cond-rd-operand-const-cmp-a32.h"
447#include "aarch32/traces/simulator-cond-rd-operand-const-mov-a32.h"
448#include "aarch32/traces/simulator-cond-rd-operand-const-movs-a32.h"
449#include "aarch32/traces/simulator-cond-rd-operand-const-mvn-a32.h"
450#include "aarch32/traces/simulator-cond-rd-operand-const-mvns-a32.h"
451#include "aarch32/traces/simulator-cond-rd-operand-const-teq-a32.h"
452#include "aarch32/traces/simulator-cond-rd-operand-const-tst-a32.h"
453
454
455// The maximum number of errors to report in detail for each test.
456const unsigned kErrorReportLimit = 8;
457
458typedef void (MacroAssembler::*Fn)(Condition cond,
459                                   Register rd,
460                                   const Operand& op);
461
462void TestHelper(Fn instruction,
463                const char* mnemonic,
464                const TestResult reference[]) {
465  SETUP();
466  masm.UseA32();
467  START();
468
469  // Data to compare to `reference`.
470  TestResult* results[ARRAY_SIZE(kTests)];
471
472  // Test cases for memory bound instructions may allocate a buffer and save its
473  // address in this array.
474  byte* scratch_memory_buffers[ARRAY_SIZE(kTests)];
475
476  // Generate a loop for each element in `kTests`. Each loop tests one specific
477  // instruction.
478  for (unsigned i = 0; i < ARRAY_SIZE(kTests); i++) {
479    // Allocate results on the heap for this test.
480    results[i] = new TestResult;
481    results[i]->outputs = new Inputs[kTests[i].input_size];
482    results[i]->output_size = kTests[i].input_size;
483
484    size_t input_stride = sizeof(kTests[i].inputs[0]) * kTests[i].input_size;
485    VIXL_ASSERT(IsUint32(input_stride));
486
487    scratch_memory_buffers[i] = NULL;
488
489    Label loop;
490    UseScratchRegisterScope scratch_registers(&masm);
491    // Include all registers from r0 ro r12.
492    scratch_registers.Include(RegisterList(0x1fff));
493
494    // Values to pass to the macro-assembler.
495    Condition cond = kTests[i].operands.cond;
496    Register rd = kTests[i].operands.rd;
497    uint32_t immediate = kTests[i].operands.immediate;
498    Operand op(immediate);
499    scratch_registers.Exclude(rd);
500
501    // Allocate reserved registers for our own use.
502    Register input_ptr = scratch_registers.Acquire();
503    Register input_end = scratch_registers.Acquire();
504    Register result_ptr = scratch_registers.Acquire();
505
506    // Initialize `input_ptr` to the first element and `input_end` the address
507    // after the array.
508    __ Mov(input_ptr, Operand::From(kTests[i].inputs));
509    __ Add(input_end, input_ptr, static_cast<uint32_t>(input_stride));
510    __ Mov(result_ptr, Operand::From(results[i]->outputs));
511    __ Bind(&loop);
512
513    {
514      UseScratchRegisterScope temp_registers(&masm);
515      Register nzcv_bits = temp_registers.Acquire();
516      Register saved_q_bit = temp_registers.Acquire();
517      // Save the `Q` bit flag.
518      __ Mrs(saved_q_bit, APSR);
519      __ And(saved_q_bit, saved_q_bit, QFlag);
520      // Set the `NZCV` and `Q` flags together.
521      __ Ldr(nzcv_bits, MemOperand(input_ptr, offsetof(Inputs, apsr)));
522      __ Orr(nzcv_bits, nzcv_bits, saved_q_bit);
523      __ Msr(APSR_nzcvq, nzcv_bits);
524    }
525    __ Ldr(rd, MemOperand(input_ptr, offsetof(Inputs, rd)));
526
527    (masm.*instruction)(cond, rd, op);
528
529    {
530      UseScratchRegisterScope temp_registers(&masm);
531      Register nzcv_bits = temp_registers.Acquire();
532      __ Mrs(nzcv_bits, APSR);
533      // Only record the NZCV bits.
534      __ And(nzcv_bits, nzcv_bits, NZCVFlag);
535      __ Str(nzcv_bits, MemOperand(result_ptr, offsetof(Inputs, apsr)));
536    }
537    __ Str(rd, MemOperand(result_ptr, offsetof(Inputs, rd)));
538
539    // Advance the result pointer.
540    __ Add(result_ptr, result_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
541    // Loop back until `input_ptr` is lower than `input_base`.
542    __ Add(input_ptr, input_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
543    __ Cmp(input_ptr, input_end);
544    __ B(ne, &loop);
545  }
546
547  END();
548
549  RUN();
550
551  if (Test::generate_test_trace()) {
552    // Print the results.
553    for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
554      printf("const Inputs kOutputs_%s_%s[] = {\n",
555             mnemonic,
556             kTests[i].identifier);
557      for (size_t j = 0; j < results[i]->output_size; j++) {
558        printf("  { ");
559        printf("0x%08" PRIx32, results[i]->outputs[j].apsr);
560        printf(", ");
561        printf("0x%08" PRIx32, results[i]->outputs[j].rd);
562        printf(" },\n");
563      }
564      printf("};\n");
565    }
566    printf("const TestResult kReference%s[] = {\n", mnemonic);
567    for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
568      printf("  {\n");
569      printf("    ARRAY_SIZE(kOutputs_%s_%s),\n",
570             mnemonic,
571             kTests[i].identifier);
572      printf("    kOutputs_%s_%s,\n", mnemonic, kTests[i].identifier);
573      printf("  },\n");
574    }
575    printf("};\n");
576  } else if (kCheckSimulatorTestResults) {
577    // Check the results.
578    unsigned total_error_count = 0;
579    for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
580      bool instruction_has_errors = false;
581      for (size_t j = 0; j < kTests[i].input_size; j++) {
582        uint32_t apsr = results[i]->outputs[j].apsr;
583        uint32_t rd = results[i]->outputs[j].rd;
584        uint32_t apsr_input = kTests[i].inputs[j].apsr;
585        uint32_t rd_input = kTests[i].inputs[j].rd;
586        uint32_t apsr_ref = reference[i].outputs[j].apsr;
587        uint32_t rd_ref = reference[i].outputs[j].rd;
588
589        if (((apsr != apsr_ref) || (rd != rd_ref)) &&
590            (++total_error_count <= kErrorReportLimit)) {
591          // Print the instruction once even if it triggered multiple failures.
592          if (!instruction_has_errors) {
593            printf("Error(s) when testing \"%s %s\":\n",
594                   mnemonic,
595                   kTests[i].operands_description);
596            instruction_has_errors = true;
597          }
598          // Print subsequent errors.
599          printf("  Input:    ");
600          printf("0x%08" PRIx32, apsr_input);
601          printf(", ");
602          printf("0x%08" PRIx32, rd_input);
603          printf("\n");
604          printf("  Expected: ");
605          printf("0x%08" PRIx32, apsr_ref);
606          printf(", ");
607          printf("0x%08" PRIx32, rd_ref);
608          printf("\n");
609          printf("  Found:    ");
610          printf("0x%08" PRIx32, apsr);
611          printf(", ");
612          printf("0x%08" PRIx32, rd);
613          printf("\n\n");
614        }
615      }
616    }
617
618    if (total_error_count > kErrorReportLimit) {
619      printf("%u other errors follow.\n",
620             total_error_count - kErrorReportLimit);
621    }
622    VIXL_CHECK(total_error_count == 0);
623  } else {
624    VIXL_WARNING("Assembled the code, but did not run anything.\n");
625  }
626
627  for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
628    delete[] results[i]->outputs;
629    delete results[i];
630    delete[] scratch_memory_buffers[i];
631  }
632}
633
634// Instantiate tests for each instruction in the list.
635// TODO: Remove this limitation by having a sandboxing mechanism.
636#if defined(VIXL_HOST_POINTER_32)
637#define TEST(mnemonic)                                                      \
638  void Test_##mnemonic() {                                                  \
639    TestHelper(&MacroAssembler::mnemonic, #mnemonic, kReference##mnemonic); \
640  }                                                                         \
641  Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_OPERAND_CONST_" #mnemonic \
642                       "_A32",                                              \
643                       &Test_##mnemonic);
644#else
645#define TEST(mnemonic)                                                      \
646  void Test_##mnemonic() {                                                  \
647    VIXL_WARNING("This test can only run on a 32-bit host.\n");             \
648    USE(TestHelper);                                                        \
649  }                                                                         \
650  Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_OPERAND_CONST_" #mnemonic \
651                       "_A32",                                              \
652                       &Test_##mnemonic);
653#endif
654
655FOREACH_INSTRUCTION(TEST)
656#undef TEST
657
658}  // namespace
659#endif
660
661}  // namespace aarch32
662}  // namespace vixl
663