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) M(Sel)
116
117
118// The following definitions are defined again in each generated test, therefore
119// we need to place them in an anomymous namespace. It expresses that they are
120// local to this file only, and the compiler is not allowed to share these types
121// across test files during template instantiation. Specifically, `Operands` and
122// `Inputs` have various layouts across generated tests so they absolutely
123// cannot be shared.
124
125#ifdef VIXL_INCLUDE_TARGET_T32
126namespace {
127
128// Values to be passed to the assembler to produce the instruction under test.
129struct Operands {
130  Condition cond;
131  Register rd;
132  Register rn;
133  Register rm;
134};
135
136// Input data to feed to the instruction.
137struct Inputs {
138  uint32_t apsr;
139  uint32_t qbit;
140  uint32_t ge;
141  uint32_t rd;
142  uint32_t rn;
143  uint32_t rm;
144};
145
146// This structure contains all input data needed to test one specific encoding.
147// It used to generate a loop over an instruction.
148struct TestLoopData {
149  // The `operands` fields represents the values to pass to the assembler to
150  // produce the instruction.
151  Operands operands;
152  // Description of the operands, used for error reporting.
153  const char* operands_description;
154  // Unique identifier, used for generating traces.
155  const char* identifier;
156  // Array of values to be fed to the instruction.
157  size_t input_size;
158  const Inputs* inputs;
159};
160
161static const Inputs kGE[] =
162    {{NoFlag, NoFlag, GE123Flag, 0xabababab, 0xfffffffe, 0x0000007e},
163     {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x7fffffff, 0xffffff82},
164     {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x7ffffffe, 0xffffff81},
165     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x7fffffff, 0x0000007d},
166     {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffff8003},
167     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x00007ffe, 0xffffff83},
168     {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xaaaaaaaa, 0xfffffffd},
169     {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x80000000, 0x80000001},
170     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffffff80, 0x7fffffff},
171     {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffff8000, 0xfffffffd},
172     {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0x0000007e},
173     {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xffff8002, 0x00007ffe},
174     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007ffe, 0x33333333},
175     {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x00000001},
176     {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xfffffffe, 0x00000020},
177     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x7ffffffd, 0x00000001},
178     {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffff80, 0x80000000},
179     {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x7ffffffe, 0xffffff83},
180     {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffe, 0x00000001},
181     {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x7ffffffe, 0x0000007f},
182     {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x00007fff, 0x80000001},
183     {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xaaaaaaaa, 0x0000007d},
184     {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffff8000, 0x0000007e},
185     {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x80000000, 0xffffff80},
186     {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xffffff82, 0x80000000},
187     {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8003, 0x00000000},
188     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00000001, 0x7ffffffd},
189     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x00007ffd, 0x00000001},
190     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffffff83, 0xaaaaaaaa},
191     {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffffff83},
192     {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x80000001, 0xffffff81},
193     {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xfffffffe, 0x00000000},
194     {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x00007ffd, 0x00000001},
195     {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffff8002, 0x00000002},
196     {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x00007fff, 0x0000007d},
197     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x7ffffffd, 0xffffff80},
198     {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x80000000, 0xffffffff},
199     {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x00007fff},
200     {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffff8002, 0xffffff82},
201     {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x0000007f},
202     {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffffff, 0xfffffffd},
203     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00000001, 0x00000001},
204     {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x00007ffd, 0xaaaaaaaa},
205     {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x7fffffff, 0x0000007e},
206     {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x80000001, 0xffff8002},
207     {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffff8003, 0x80000000},
208     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x33333333, 0xffffff80},
209     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x7ffffffe, 0x00007ffd},
210     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007fff, 0x00000000},
211     {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x00000001, 0x55555555},
212     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x0000007e, 0xffff8003},
213     {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffd, 0x0000007e},
214     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x80000000, 0x00000000},
215     {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0x00007ffd},
216     {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xffffff82, 0xfffffffe},
217     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffff8000, 0xffff8001},
218     {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x33333333, 0x0000007d},
219     {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000002, 0xffffff82},
220     {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x0000007f, 0x55555555},
221     {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffff81, 0xcccccccc},
222     {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffe, 0x33333333},
223     {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0x80000001},
224     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8001, 0xcccccccc},
225     {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x33333333, 0xaaaaaaaa},
226     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007fff, 0x0000007f},
227     {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x0000007d, 0x00000001},
228     {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xffff8001, 0x00007ffd},
229     {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x0000007e, 0x80000001},
230     {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xffff8003, 0x00000000},
231     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8002, 0xfffffffd},
232     {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffffff, 0xffffff80},
233     {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007fff, 0xffffffe0},
234     {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xaaaaaaaa, 0x00007fff},
235     {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffff8002, 0xffffffff},
236     {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x0000007e, 0xffffff81},
237     {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x7fffffff, 0x00007fff},
238     {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffff82, 0xffffff83},
239     {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xfffffffe, 0x7ffffffe},
240     {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x00007fff, 0xaaaaaaaa},
241     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00000002, 0xffff8003},
242     {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffff80, 0x80000000},
243     {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x80000001},
244     {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x7fffffff, 0x0000007e},
245     {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x55555555, 0x00007fff},
246     {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffffff, 0x00007fff},
247     {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0x7ffffffd},
248     {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffffff82, 0xffff8002},
249     {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0x0000007e},
250     {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x7ffffffe, 0xcccccccc},
251     {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xffff8002, 0xfffffffd},
252     {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffffff80, 0xffff8003},
253     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x0000007e, 0xaaaaaaaa},
254     {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00007fff, 0xffffff83},
255     {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xfffffffe, 0x00007ffd},
256     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xcccccccc, 0xffff8000},
257     {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x00007ffe, 0x7ffffffd},
258     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x0000007f, 0x55555555},
259     {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x80000000, 0xffff8000},
260     {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffffff, 0xffffffe0},
261     {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x80000000},
262     {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x0000007d, 0xfffffffd},
263     {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffd, 0xffffffff},
264     {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x00007ffd, 0x7ffffffd},
265     {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffff8003, 0x00000002},
266     {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x55555555, 0xffff8001},
267     {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00000000, 0x00007fff},
268     {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x00000001, 0xffffff83},
269     {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x00007ffe},
270     {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffff81, 0x80000001},
271     {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x0000007d, 0x00000002},
272     {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff80, 0x7ffffffd},
273     {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xcccccccc, 0xffff8000},
274     {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xcccccccc, 0xffffff81},
275     {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffffff81, 0x00000000},
276     {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x33333333, 0xffffff82},
277     {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffff83, 0xffffffe0},
278     {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xfffffffe, 0x0000007d},
279     {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x00000020, 0xffff8000},
280     {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x00000002, 0x00007ffe},
281     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8000, 0xffffff80},
282     {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xfffffffe, 0xffffff81},
283     {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffffff, 0xffffffff},
284     {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x00007ffd, 0xffffff81},
285     {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xcccccccc, 0xffffff82},
286     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007ffd, 0xfffffffd},
287     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8002, 0x0000007d},
288     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xaaaaaaaa, 0x0000007f},
289     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffff8000, 0x7ffffffd},
290     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xcccccccc, 0x00007ffe},
291     {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x0000007e, 0xffff8002},
292     {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffffe0, 0x7ffffffd},
293     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xfffffffd, 0xffffff82},
294     {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xffff8002, 0x7fffffff},
295     {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x7ffffffe, 0xfffffffd},
296     {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x80000001, 0xffffffff},
297     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007fff, 0x00000020},
298     {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffff82, 0xffff8001},
299     {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xffffff80, 0x00000000},
300     {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xaaaaaaaa, 0x00000001},
301     {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x55555555, 0xffff8003},
302     {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffffff82, 0x0000007e},
303     {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xfffffffd, 0x55555555},
304     {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00000002, 0xfffffffe},
305     {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x00007ffe, 0xfffffffd},
306     {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffff82, 0x7ffffffe},
307     {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffff80, 0x0000007d},
308     {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffff8003, 0xffffff82},
309     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x55555555, 0x80000000},
310     {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x00000001, 0xffff8003},
311     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x00000002, 0xffffff80},
312     {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffff, 0x00000002},
313     {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0x33333333},
314     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8002, 0x55555555},
315     {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xfffffffd, 0x7ffffffd},
316     {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xcccccccc, 0xfffffffe},
317     {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x00000001, 0x33333333},
318     {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0xffffff83},
319     {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0x0000007f},
320     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffffff81, 0xffff8001},
321     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffffffe0, 0x00007fff},
322     {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffffff80, 0x33333333},
323     {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00007ffe, 0x00007ffe},
324     {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x55555555, 0x00000002},
325     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00000002, 0x7ffffffd},
326     {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffffff81, 0xffffff80},
327     {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000001, 0x00007ffe},
328     {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffff8001, 0xffff8002},
329     {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xaaaaaaaa, 0x7ffffffd},
330     {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0xffff8003},
331     {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x80000000, 0xffffffff},
332     {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xfffffffe, 0x33333333},
333     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x00000002, 0xffffff82},
334     {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x7ffffffe},
335     {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x00000002, 0x00000001},
336     {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0xffffffff},
337     {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x00007ffd, 0x00000001},
338     {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x55555555, 0x7fffffff},
339     {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xfffffffe, 0x00000002},
340     {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x0000007d, 0x7ffffffe},
341     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x0000007d, 0x7fffffff},
342     {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffffff80, 0x7fffffff},
343     {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xffffff82, 0x00000001},
344     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffffff82, 0xffffff80},
345     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffff8003, 0xffff8000},
346     {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xfffffffe, 0xffffff82},
347     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x0000007f, 0xffffffe0},
348     {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00000002, 0x00007ffe},
349     {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x0000007e, 0xffffff83},
350     {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007ffd, 0xffffffff},
351     {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0xffff8001},
352     {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xffffffe0, 0x33333333},
353     {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xffffff83, 0xffffff83},
354     {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0x00007fff},
355     {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x0000007d, 0x00007ffe},
356     {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x0000007d, 0xaaaaaaaa},
357     {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x0000007d, 0xaaaaaaaa},
358     {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xaaaaaaaa, 0x80000001},
359     {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x0000007d, 0x55555555},
360     {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xfffffffd, 0x00007ffd},
361     {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffff8001, 0xfffffffe}};
362
363
364// A loop will be generated for each element of this array.
365const TestLoopData kTests[] = {{{al, r9, r2, r10},
366                                "al r9 r2 r10",
367                                "GE_al_r9_r2_r10",
368                                ARRAY_SIZE(kGE),
369                                kGE}};
370
371// We record all inputs to the instructions as outputs. This way, we also check
372// that what shouldn't change didn't change.
373struct TestResult {
374  size_t output_size;
375  const Inputs* outputs;
376};
377
378// These headers each contain an array of `TestResult` with the reference output
379// values. The reference arrays are names `kReference{mnemonic}`.
380#include "aarch32/traces/simulator-cond-rd-rn-rm-sel-sel-t32.h"
381
382
383// The maximum number of errors to report in detail for each test.
384const unsigned kErrorReportLimit = 8;
385
386typedef void (MacroAssembler::*Fn)(Condition cond,
387                                   Register rd,
388                                   Register rn,
389                                   Register rm);
390
391void TestHelper(Fn instruction,
392                const char* mnemonic,
393                const TestResult reference[]) {
394  SETUP();
395  masm.UseT32();
396  START();
397
398  // Data to compare to `reference`.
399  TestResult* results[ARRAY_SIZE(kTests)];
400
401  // Test cases for memory bound instructions may allocate a buffer and save its
402  // address in this array.
403  byte* scratch_memory_buffers[ARRAY_SIZE(kTests)];
404
405  // Generate a loop for each element in `kTests`. Each loop tests one specific
406  // instruction.
407  for (unsigned i = 0; i < ARRAY_SIZE(kTests); i++) {
408    // Allocate results on the heap for this test.
409    results[i] = new TestResult;
410    results[i]->outputs = new Inputs[kTests[i].input_size];
411    results[i]->output_size = kTests[i].input_size;
412
413    size_t input_stride = sizeof(kTests[i].inputs[0]) * kTests[i].input_size;
414    VIXL_ASSERT(IsUint32(input_stride));
415
416    scratch_memory_buffers[i] = NULL;
417
418    Label loop;
419    UseScratchRegisterScope scratch_registers(&masm);
420    // Include all registers from r0 ro r12.
421    scratch_registers.Include(RegisterList(0x1fff));
422
423    // Values to pass to the macro-assembler.
424    Condition cond = kTests[i].operands.cond;
425    Register rd = kTests[i].operands.rd;
426    Register rn = kTests[i].operands.rn;
427    Register rm = kTests[i].operands.rm;
428    scratch_registers.Exclude(rd);
429    scratch_registers.Exclude(rn);
430    scratch_registers.Exclude(rm);
431
432    // Allocate reserved registers for our own use.
433    Register input_ptr = scratch_registers.Acquire();
434    Register input_end = scratch_registers.Acquire();
435    Register result_ptr = scratch_registers.Acquire();
436
437    // Initialize `input_ptr` to the first element and `input_end` the address
438    // after the array.
439    __ Mov(input_ptr, Operand::From(kTests[i].inputs));
440    __ Add(input_end, input_ptr, static_cast<uint32_t>(input_stride));
441    __ Mov(result_ptr, Operand::From(results[i]->outputs));
442    __ Bind(&loop);
443
444    {
445      UseScratchRegisterScope temp_registers(&masm);
446      Register nzcv_bits = temp_registers.Acquire();
447      Register saved_q_bit = temp_registers.Acquire();
448      // Save the `Q` bit flag.
449      __ Mrs(saved_q_bit, APSR);
450      __ And(saved_q_bit, saved_q_bit, QFlag);
451      // Set the `NZCV` and `Q` flags together.
452      __ Ldr(nzcv_bits, MemOperand(input_ptr, offsetof(Inputs, apsr)));
453      __ Orr(nzcv_bits, nzcv_bits, saved_q_bit);
454      __ Msr(APSR_nzcvq, nzcv_bits);
455    }
456    {
457      UseScratchRegisterScope temp_registers(&masm);
458      Register q_bit = temp_registers.Acquire();
459      Register saved_nzcv_bits = temp_registers.Acquire();
460      // Save the `NZCV` flags.
461      __ Mrs(saved_nzcv_bits, APSR);
462      __ And(saved_nzcv_bits, saved_nzcv_bits, NZCVFlag);
463      // Set the `NZCV` and `Q` flags together.
464      __ Ldr(q_bit, MemOperand(input_ptr, offsetof(Inputs, qbit)));
465      __ Orr(q_bit, q_bit, saved_nzcv_bits);
466      __ Msr(APSR_nzcvq, q_bit);
467    }
468    {
469      UseScratchRegisterScope temp_registers(&masm);
470      Register ge_bits = temp_registers.Acquire();
471      __ Ldr(ge_bits, MemOperand(input_ptr, offsetof(Inputs, ge)));
472      __ Msr(APSR_g, ge_bits);
473    }
474    __ Ldr(rd, MemOperand(input_ptr, offsetof(Inputs, rd)));
475    __ Ldr(rn, MemOperand(input_ptr, offsetof(Inputs, rn)));
476    __ Ldr(rm, MemOperand(input_ptr, offsetof(Inputs, rm)));
477
478    (masm.*instruction)(cond, rd, rn, rm);
479
480    {
481      UseScratchRegisterScope temp_registers(&masm);
482      Register nzcv_bits = temp_registers.Acquire();
483      __ Mrs(nzcv_bits, APSR);
484      // Only record the NZCV bits.
485      __ And(nzcv_bits, nzcv_bits, NZCVFlag);
486      __ Str(nzcv_bits, MemOperand(result_ptr, offsetof(Inputs, apsr)));
487    }
488    {
489      UseScratchRegisterScope temp_registers(&masm);
490      Register q_bit = temp_registers.Acquire();
491      __ Mrs(q_bit, APSR);
492      // Only record the Q bit.
493      __ And(q_bit, q_bit, QFlag);
494      __ Str(q_bit, MemOperand(result_ptr, offsetof(Inputs, qbit)));
495    }
496    {
497      UseScratchRegisterScope temp_registers(&masm);
498      Register ge_bits = temp_registers.Acquire();
499      __ Mrs(ge_bits, APSR);
500      // Only record the GE bits.
501      __ And(ge_bits, ge_bits, GEFlags);
502      __ Str(ge_bits, MemOperand(result_ptr, offsetof(Inputs, ge)));
503    }
504    __ Str(rd, MemOperand(result_ptr, offsetof(Inputs, rd)));
505    __ Str(rn, MemOperand(result_ptr, offsetof(Inputs, rn)));
506    __ Str(rm, MemOperand(result_ptr, offsetof(Inputs, rm)));
507
508    // Advance the result pointer.
509    __ Add(result_ptr, result_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
510    // Loop back until `input_ptr` is lower than `input_base`.
511    __ Add(input_ptr, input_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
512    __ Cmp(input_ptr, input_end);
513    __ B(ne, &loop);
514  }
515
516  END();
517
518  RUN();
519
520  if (Test::generate_test_trace()) {
521    // Print the results.
522    for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
523      printf("const Inputs kOutputs_%s_%s[] = {\n",
524             mnemonic,
525             kTests[i].identifier);
526      for (size_t j = 0; j < results[i]->output_size; j++) {
527        printf("  { ");
528        printf("0x%08" PRIx32, results[i]->outputs[j].apsr);
529        printf(", ");
530        printf("0x%08" PRIx32, results[i]->outputs[j].qbit);
531        printf(", ");
532        printf("0x%08" PRIx32, results[i]->outputs[j].ge);
533        printf(", ");
534        printf("0x%08" PRIx32, results[i]->outputs[j].rd);
535        printf(", ");
536        printf("0x%08" PRIx32, results[i]->outputs[j].rn);
537        printf(", ");
538        printf("0x%08" PRIx32, results[i]->outputs[j].rm);
539        printf(" },\n");
540      }
541      printf("};\n");
542    }
543    printf("const TestResult kReference%s[] = {\n", mnemonic);
544    for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
545      printf("  {\n");
546      printf("    ARRAY_SIZE(kOutputs_%s_%s),\n",
547             mnemonic,
548             kTests[i].identifier);
549      printf("    kOutputs_%s_%s,\n", mnemonic, kTests[i].identifier);
550      printf("  },\n");
551    }
552    printf("};\n");
553  } else if (kCheckSimulatorTestResults) {
554    // Check the results.
555    unsigned total_error_count = 0;
556    for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
557      bool instruction_has_errors = false;
558      for (size_t j = 0; j < kTests[i].input_size; j++) {
559        uint32_t apsr = results[i]->outputs[j].apsr;
560        uint32_t qbit = results[i]->outputs[j].qbit;
561        uint32_t ge = results[i]->outputs[j].ge;
562        uint32_t rd = results[i]->outputs[j].rd;
563        uint32_t rn = results[i]->outputs[j].rn;
564        uint32_t rm = results[i]->outputs[j].rm;
565        uint32_t apsr_input = kTests[i].inputs[j].apsr;
566        uint32_t qbit_input = kTests[i].inputs[j].qbit;
567        uint32_t ge_input = kTests[i].inputs[j].ge;
568        uint32_t rd_input = kTests[i].inputs[j].rd;
569        uint32_t rn_input = kTests[i].inputs[j].rn;
570        uint32_t rm_input = kTests[i].inputs[j].rm;
571        uint32_t apsr_ref = reference[i].outputs[j].apsr;
572        uint32_t qbit_ref = reference[i].outputs[j].qbit;
573        uint32_t ge_ref = reference[i].outputs[j].ge;
574        uint32_t rd_ref = reference[i].outputs[j].rd;
575        uint32_t rn_ref = reference[i].outputs[j].rn;
576        uint32_t rm_ref = reference[i].outputs[j].rm;
577
578        if (((apsr != apsr_ref) || (qbit != qbit_ref) || (ge != ge_ref) ||
579             (rd != rd_ref) || (rn != rn_ref) || (rm != rm_ref)) &&
580            (++total_error_count <= kErrorReportLimit)) {
581          // Print the instruction once even if it triggered multiple failures.
582          if (!instruction_has_errors) {
583            printf("Error(s) when testing \"%s %s\":\n",
584                   mnemonic,
585                   kTests[i].operands_description);
586            instruction_has_errors = true;
587          }
588          // Print subsequent errors.
589          printf("  Input:    ");
590          printf("0x%08" PRIx32, apsr_input);
591          printf(", ");
592          printf("0x%08" PRIx32, qbit_input);
593          printf(", ");
594          printf("0x%08" PRIx32, ge_input);
595          printf(", ");
596          printf("0x%08" PRIx32, rd_input);
597          printf(", ");
598          printf("0x%08" PRIx32, rn_input);
599          printf(", ");
600          printf("0x%08" PRIx32, rm_input);
601          printf("\n");
602          printf("  Expected: ");
603          printf("0x%08" PRIx32, apsr_ref);
604          printf(", ");
605          printf("0x%08" PRIx32, qbit_ref);
606          printf(", ");
607          printf("0x%08" PRIx32, ge_ref);
608          printf(", ");
609          printf("0x%08" PRIx32, rd_ref);
610          printf(", ");
611          printf("0x%08" PRIx32, rn_ref);
612          printf(", ");
613          printf("0x%08" PRIx32, rm_ref);
614          printf("\n");
615          printf("  Found:    ");
616          printf("0x%08" PRIx32, apsr);
617          printf(", ");
618          printf("0x%08" PRIx32, qbit);
619          printf(", ");
620          printf("0x%08" PRIx32, ge);
621          printf(", ");
622          printf("0x%08" PRIx32, rd);
623          printf(", ");
624          printf("0x%08" PRIx32, rn);
625          printf(", ");
626          printf("0x%08" PRIx32, rm);
627          printf("\n\n");
628        }
629      }
630    }
631
632    if (total_error_count > kErrorReportLimit) {
633      printf("%u other errors follow.\n",
634             total_error_count - kErrorReportLimit);
635    }
636    VIXL_CHECK(total_error_count == 0);
637  } else {
638    VIXL_WARNING("Assembled the code, but did not run anything.\n");
639  }
640
641  for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
642    delete[] results[i]->outputs;
643    delete results[i];
644    delete[] scratch_memory_buffers[i];
645  }
646}
647
648// Instantiate tests for each instruction in the list.
649// TODO: Remove this limitation by having a sandboxing mechanism.
650#if defined(VIXL_HOST_POINTER_32)
651#define TEST(mnemonic)                                                      \
652  void Test_##mnemonic() {                                                  \
653    TestHelper(&MacroAssembler::mnemonic, #mnemonic, kReference##mnemonic); \
654  }                                                                         \
655  Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_SEL_" #mnemonic     \
656                       "_T32",                                              \
657                       &Test_##mnemonic);
658#else
659#define TEST(mnemonic)                                                  \
660  void Test_##mnemonic() {                                              \
661    VIXL_WARNING("This test can only run on a 32-bit host.\n");         \
662    USE(TestHelper);                                                    \
663  }                                                                     \
664  Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_SEL_" #mnemonic \
665                       "_T32",                                          \
666                       &Test_##mnemonic);
667#endif
668
669FOREACH_INSTRUCTION(TEST)
670#undef TEST
671
672}  // namespace
673#endif
674
675}  // namespace aarch32
676}  // namespace vixl
677