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
111 namespace vixl {
112 namespace aarch32 {
113
114 // List of instruction encodings:
115 #define FOREACH_INSTRUCTION(M) \
116 M(Qadd) \
117 M(Qdadd) \
118 M(Qdsub) \
119 M(Qsub)
120
121
122 // The following definitions are defined again in each generated test, therefore
123 // we need to place them in an anomymous namespace. It expresses that they are
124 // local to this file only, and the compiler is not allowed to share these types
125 // across test files during template instantiation. Specifically, `Operands` and
126 // `Inputs` have various layouts across generated tests so they absolutely
127 // cannot be shared.
128
129 #ifdef VIXL_INCLUDE_TARGET_A32
130 namespace {
131
132 // Values to be passed to the assembler to produce the instruction under test.
133 struct Operands {
134 Condition cond;
135 Register rd;
136 Register rn;
137 Register rm;
138 };
139
140 // Input data to feed to the instruction.
141 struct Inputs {
142 uint32_t apsr;
143 uint32_t qbit;
144 uint32_t ge;
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.
152 struct 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
165 static const Inputs kQOutput[] =
166 {{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff80, 0x0000007f},
167 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000001, 0xffff8001},
168 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007f, 0x00007fff},
169 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8001, 0x80000000},
170 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff81, 0x00000002},
171 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x00000002},
172 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000000, 0x00000002},
173 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8003, 0x7fffffff},
174 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000002, 0x0000007d},
175 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x55555555},
176 {NoFlag, QFlag, NoFlag, 0xabababab, 0x55555555, 0x00000020},
177 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0xffffffff},
178 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0xcccccccc},
179 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x80000000},
180 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x00000001},
181 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x00007ffe},
182 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0xffffff80},
183 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007d, 0x00007fff},
184 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xffffff80},
185 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x7ffffffd},
186 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0x55555555},
187 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8000, 0xffffffe0},
188 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0x00000020},
189 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007f, 0x0000007d},
190 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffe0, 0x00007ffe},
191 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffe, 0xffffff83},
192 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffe, 0x0000007d},
193 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x00000000},
194 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007ffe, 0xffff8002},
195 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffffff82},
196 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffe0, 0x7fffffff},
197 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x00000002},
198 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007f, 0xfffffffd},
199 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0xaaaaaaaa},
200 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0x80000000},
201 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffe, 0x0000007f},
202 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007d, 0xffff8002},
203 {NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0x80000000},
204 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8000, 0x00007ffd},
205 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0xffffffff},
206 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0xfffffffd},
207 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8000, 0xfffffffe},
208 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff83, 0xffffff83},
209 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007ffe, 0xfffffffd},
210 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x00000002},
211 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0x00000001},
212 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000001, 0x0000007e},
213 {NoFlag, QFlag, NoFlag, 0xabababab, 0xfffffffe, 0x7ffffffd},
214 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7fffffff, 0x00000020},
215 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0x00000001},
216 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0x0000007e},
217 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007f, 0xffff8000},
218 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007d, 0x7ffffffe},
219 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffe, 0x0000007e},
220 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0xfffffffe},
221 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0x33333333},
222 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x00007fff},
223 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0xffffff83},
224 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffff, 0xffff8000},
225 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7ffffffd, 0xcccccccc},
226 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0xffffffe0},
227 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0x00007ffe},
228 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xaaaaaaaa, 0x00000020},
229 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007e, 0xffff8002},
230 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x7ffffffd},
231 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0x80000001},
232 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0x0000007f},
233 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0xffff8003},
234 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0x00007fff},
235 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffd, 0x00000002},
236 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff81, 0x80000000},
237 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0x33333333},
238 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0x00007ffd},
239 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000001, 0xcccccccc},
240 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xaaaaaaaa, 0x7fffffff},
241 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000000, 0x00007ffd},
242 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0x80000001},
243 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x00007fff},
244 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffff, 0xffff8003},
245 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0x33333333},
246 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00000002},
247 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffff, 0xffff8001},
248 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff82, 0xffffff82},
249 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000020, 0xffff8002},
250 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x00007ffd},
251 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x0000007d},
252 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0xaaaaaaaa},
253 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x33333333},
254 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000002, 0xffff8000},
255 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0xffffff83},
256 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x7ffffffe},
257 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff82, 0xffffff81},
258 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0x0000007f},
259 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff80, 0x0000007d},
260 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8001, 0xffff8000},
261 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x00000000},
262 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000002, 0x80000000},
263 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff80, 0x00000020},
264 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0x00000001},
265 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0xaaaaaaaa},
266 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000001, 0x33333333},
267 {NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0x00000020},
268 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffe, 0xffffffe0},
269 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x00000002},
270 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffff8000},
271 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00000001},
272 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0x7fffffff},
273 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffff, 0x7ffffffe},
274 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x00007ffd},
275 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000020, 0x00007fff},
276 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff83, 0xfffffffd},
277 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x55555555},
278 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0x0000007e},
279 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xcccccccc},
280 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007d, 0xffffff81},
281 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffffff80},
282 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007ffd, 0x00000000},
283 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0xcccccccc},
284 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000020, 0xaaaaaaaa},
285 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x00000001},
286 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0xffffff82},
287 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0xffff8003},
288 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xffff8003},
289 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0xffff8000},
290 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000002, 0xffff8001},
291 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0xffffff80},
292 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8000, 0x0000007f},
293 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0xffffffe0},
294 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x55555555, 0x0000007f},
295 {NoFlag, QFlag, NoFlag, 0xabababab, 0xfffffffd, 0xffffffe0},
296 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff80, 0x00000001},
297 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000020, 0xffffff83},
298 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7fffffff, 0x00007ffd},
299 {NoFlag, QFlag, NoFlag, 0xabababab, 0x55555555, 0x80000000},
300 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0xffff8001},
301 {NoFlag, QFlag, NoFlag, 0xabababab, 0xfffffffd, 0x00000002},
302 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7ffffffe, 0x0000007e},
303 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff83, 0xffff8001},
304 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffffff81},
305 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8002, 0xfffffffe},
306 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x0000007f},
307 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0xcccccccc},
308 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000002, 0x00000002},
309 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0x7ffffffd},
310 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0xffff8001},
311 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0x00007ffe},
312 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00007fff},
313 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0x55555555},
314 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007fff, 0xffff8001},
315 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0x55555555},
316 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0xffff8003},
317 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7ffffffe, 0xffffff81},
318 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x55555555, 0x7ffffffe},
319 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000001, 0x00007fff},
320 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000002, 0x7ffffffd},
321 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff82, 0xfffffffd},
322 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff82, 0x0000007f},
323 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x00007ffd},
324 {NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0xfffffffe},
325 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007fff, 0x80000000},
326 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8003, 0xffff8003},
327 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffff8003},
328 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0xffffff81},
329 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x7ffffffd},
330 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0xffff8002},
331 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007e, 0x00000001},
332 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007fff, 0xffffffe0},
333 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff81, 0x7fffffff},
334 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffffffe0},
335 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0xffff8000},
336 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x00007ffd},
337 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007d, 0x00000001},
338 {NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffff8003},
339 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x0000007f},
340 {NoFlag, QFlag, NoFlag, 0xabababab, 0x33333333, 0x00000000},
341 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7fffffff, 0x80000000},
342 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffe, 0x00007ffd},
343 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0x7ffffffd},
344 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000020, 0xffff8003},
345 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x00007fff},
346 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007ffe, 0xffff8003},
347 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffe, 0xffffff82},
348 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff81, 0xcccccccc},
349 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007fff, 0x00007ffd},
350 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x00000001},
351 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x80000001},
352 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0x33333333},
353 {NoFlag, QFlag, NoFlag, 0xabababab, 0x33333333, 0x7fffffff},
354 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0x00000002},
355 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xffffff81},
356 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x80000001},
357 {NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffffffff},
358 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0xffff8001},
359 {NoFlag, QFlag, NoFlag, 0xabababab, 0xfffffffd, 0xffffff81},
360 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000002, 0x0000007f},
361 {NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0xaaaaaaaa},
362 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000000, 0x0000007f},
363 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000001, 0xffffff80},
364 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00000020},
365 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8000, 0x00000020}};
366
367
368 // A loop will be generated for each element of this array.
369 const TestLoopData kTests[] = {{{al, r0, r9, r10},
370 "al r0 r9 r10",
371 "QOutput_al_r0_r9_r10",
372 ARRAY_SIZE(kQOutput),
373 kQOutput}};
374
375 // We record all inputs to the instructions as outputs. This way, we also check
376 // that what shouldn't change didn't change.
377 struct TestResult {
378 size_t output_size;
379 const Inputs* outputs;
380 };
381
382 // These headers each contain an array of `TestResult` with the reference output
383 // values. The reference arrays are names `kReference{mnemonic}`.
384 #include "aarch32/traces/simulator-cond-rd-rn-rm-q-qadd-a32.h"
385 #include "aarch32/traces/simulator-cond-rd-rn-rm-q-qdadd-a32.h"
386 #include "aarch32/traces/simulator-cond-rd-rn-rm-q-qdsub-a32.h"
387 #include "aarch32/traces/simulator-cond-rd-rn-rm-q-qsub-a32.h"
388
389
390 // The maximum number of errors to report in detail for each test.
391 const unsigned kErrorReportLimit = 8;
392
393 typedef void (MacroAssembler::*Fn)(Condition cond,
394 Register rd,
395 Register rn,
396 Register rm);
397
TestHelper(Fn instruction,const char * mnemonic,const TestResult reference[])398 void TestHelper(Fn instruction,
399 const char* mnemonic,
400 const TestResult reference[]) {
401 SETUP();
402 masm.UseA32();
403 START();
404
405 // Data to compare to `reference`.
406 TestResult* results[ARRAY_SIZE(kTests)];
407
408 // Test cases for memory bound instructions may allocate a buffer and save its
409 // address in this array.
410 byte* scratch_memory_buffers[ARRAY_SIZE(kTests)];
411
412 // Generate a loop for each element in `kTests`. Each loop tests one specific
413 // instruction.
414 for (unsigned i = 0; i < ARRAY_SIZE(kTests); i++) {
415 // Allocate results on the heap for this test.
416 results[i] = new TestResult;
417 results[i]->outputs = new Inputs[kTests[i].input_size];
418 results[i]->output_size = kTests[i].input_size;
419
420 size_t input_stride = sizeof(kTests[i].inputs[0]) * kTests[i].input_size;
421 VIXL_ASSERT(IsUint32(input_stride));
422
423 scratch_memory_buffers[i] = NULL;
424
425 Label loop;
426 UseScratchRegisterScope scratch_registers(&masm);
427 // Include all registers from r0 ro r12.
428 scratch_registers.Include(RegisterList(0x1fff));
429
430 // Values to pass to the macro-assembler.
431 Condition cond = kTests[i].operands.cond;
432 Register rd = kTests[i].operands.rd;
433 Register rn = kTests[i].operands.rn;
434 Register rm = kTests[i].operands.rm;
435 scratch_registers.Exclude(rd);
436 scratch_registers.Exclude(rn);
437 scratch_registers.Exclude(rm);
438
439 // Allocate reserved registers for our own use.
440 Register input_ptr = scratch_registers.Acquire();
441 Register input_end = scratch_registers.Acquire();
442 Register result_ptr = scratch_registers.Acquire();
443
444 // Initialize `input_ptr` to the first element and `input_end` the address
445 // after the array.
446 __ Mov(input_ptr, Operand::From(kTests[i].inputs));
447 __ Add(input_end, input_ptr, static_cast<uint32_t>(input_stride));
448 __ Mov(result_ptr, Operand::From(results[i]->outputs));
449 __ Bind(&loop);
450
451 {
452 UseScratchRegisterScope temp_registers(&masm);
453 Register nzcv_bits = temp_registers.Acquire();
454 Register saved_q_bit = temp_registers.Acquire();
455 // Save the `Q` bit flag.
456 __ Mrs(saved_q_bit, APSR);
457 __ And(saved_q_bit, saved_q_bit, QFlag);
458 // Set the `NZCV` and `Q` flags together.
459 __ Ldr(nzcv_bits, MemOperand(input_ptr, offsetof(Inputs, apsr)));
460 __ Orr(nzcv_bits, nzcv_bits, saved_q_bit);
461 __ Msr(APSR_nzcvq, nzcv_bits);
462 }
463 {
464 UseScratchRegisterScope temp_registers(&masm);
465 Register q_bit = temp_registers.Acquire();
466 Register saved_nzcv_bits = temp_registers.Acquire();
467 // Save the `NZCV` flags.
468 __ Mrs(saved_nzcv_bits, APSR);
469 __ And(saved_nzcv_bits, saved_nzcv_bits, NZCVFlag);
470 // Set the `NZCV` and `Q` flags together.
471 __ Ldr(q_bit, MemOperand(input_ptr, offsetof(Inputs, qbit)));
472 __ Orr(q_bit, q_bit, saved_nzcv_bits);
473 __ Msr(APSR_nzcvq, q_bit);
474 }
475 {
476 UseScratchRegisterScope temp_registers(&masm);
477 Register ge_bits = temp_registers.Acquire();
478 __ Ldr(ge_bits, MemOperand(input_ptr, offsetof(Inputs, ge)));
479 __ Msr(APSR_g, ge_bits);
480 }
481 __ Ldr(rd, MemOperand(input_ptr, offsetof(Inputs, rd)));
482 __ Ldr(rn, MemOperand(input_ptr, offsetof(Inputs, rn)));
483 __ Ldr(rm, MemOperand(input_ptr, offsetof(Inputs, rm)));
484
485 (masm.*instruction)(cond, rd, rn, rm);
486
487 {
488 UseScratchRegisterScope temp_registers(&masm);
489 Register nzcv_bits = temp_registers.Acquire();
490 __ Mrs(nzcv_bits, APSR);
491 // Only record the NZCV bits.
492 __ And(nzcv_bits, nzcv_bits, NZCVFlag);
493 __ Str(nzcv_bits, MemOperand(result_ptr, offsetof(Inputs, apsr)));
494 }
495 {
496 UseScratchRegisterScope temp_registers(&masm);
497 Register q_bit = temp_registers.Acquire();
498 __ Mrs(q_bit, APSR);
499 // Only record the Q bit.
500 __ And(q_bit, q_bit, QFlag);
501 __ Str(q_bit, MemOperand(result_ptr, offsetof(Inputs, qbit)));
502 }
503 {
504 UseScratchRegisterScope temp_registers(&masm);
505 Register ge_bits = temp_registers.Acquire();
506 __ Mrs(ge_bits, APSR);
507 // Only record the GE bits.
508 __ And(ge_bits, ge_bits, GEFlags);
509 __ Str(ge_bits, MemOperand(result_ptr, offsetof(Inputs, ge)));
510 }
511 __ Str(rd, MemOperand(result_ptr, offsetof(Inputs, rd)));
512 __ Str(rn, MemOperand(result_ptr, offsetof(Inputs, rn)));
513 __ Str(rm, MemOperand(result_ptr, offsetof(Inputs, rm)));
514
515 // Advance the result pointer.
516 __ Add(result_ptr, result_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
517 // Loop back until `input_ptr` is lower than `input_base`.
518 __ Add(input_ptr, input_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
519 __ Cmp(input_ptr, input_end);
520 __ B(ne, &loop);
521 }
522
523 END();
524
525 RUN();
526
527 if (Test::generate_test_trace()) {
528 // Print the results.
529 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
530 printf("const Inputs kOutputs_%s_%s[] = {\n",
531 mnemonic,
532 kTests[i].identifier);
533 for (size_t j = 0; j < results[i]->output_size; j++) {
534 printf(" { ");
535 printf("0x%08" PRIx32, results[i]->outputs[j].apsr);
536 printf(", ");
537 printf("0x%08" PRIx32, results[i]->outputs[j].qbit);
538 printf(", ");
539 printf("0x%08" PRIx32, results[i]->outputs[j].ge);
540 printf(", ");
541 printf("0x%08" PRIx32, results[i]->outputs[j].rd);
542 printf(", ");
543 printf("0x%08" PRIx32, results[i]->outputs[j].rn);
544 printf(", ");
545 printf("0x%08" PRIx32, results[i]->outputs[j].rm);
546 printf(" },\n");
547 }
548 printf("};\n");
549 }
550 printf("const TestResult kReference%s[] = {\n", mnemonic);
551 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
552 printf(" {\n");
553 printf(" ARRAY_SIZE(kOutputs_%s_%s),\n",
554 mnemonic,
555 kTests[i].identifier);
556 printf(" kOutputs_%s_%s,\n", mnemonic, kTests[i].identifier);
557 printf(" },\n");
558 }
559 printf("};\n");
560 } else if (kCheckSimulatorTestResults) {
561 // Check the results.
562 unsigned total_error_count = 0;
563 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
564 bool instruction_has_errors = false;
565 for (size_t j = 0; j < kTests[i].input_size; j++) {
566 uint32_t apsr = results[i]->outputs[j].apsr;
567 uint32_t qbit = results[i]->outputs[j].qbit;
568 uint32_t ge = results[i]->outputs[j].ge;
569 uint32_t rd = results[i]->outputs[j].rd;
570 uint32_t rn = results[i]->outputs[j].rn;
571 uint32_t rm = results[i]->outputs[j].rm;
572 uint32_t apsr_input = kTests[i].inputs[j].apsr;
573 uint32_t qbit_input = kTests[i].inputs[j].qbit;
574 uint32_t ge_input = kTests[i].inputs[j].ge;
575 uint32_t rd_input = kTests[i].inputs[j].rd;
576 uint32_t rn_input = kTests[i].inputs[j].rn;
577 uint32_t rm_input = kTests[i].inputs[j].rm;
578 uint32_t apsr_ref = reference[i].outputs[j].apsr;
579 uint32_t qbit_ref = reference[i].outputs[j].qbit;
580 uint32_t ge_ref = reference[i].outputs[j].ge;
581 uint32_t rd_ref = reference[i].outputs[j].rd;
582 uint32_t rn_ref = reference[i].outputs[j].rn;
583 uint32_t rm_ref = reference[i].outputs[j].rm;
584
585 if (((apsr != apsr_ref) || (qbit != qbit_ref) || (ge != ge_ref) ||
586 (rd != rd_ref) || (rn != rn_ref) || (rm != rm_ref)) &&
587 (++total_error_count <= kErrorReportLimit)) {
588 // Print the instruction once even if it triggered multiple failures.
589 if (!instruction_has_errors) {
590 printf("Error(s) when testing \"%s %s\":\n",
591 mnemonic,
592 kTests[i].operands_description);
593 instruction_has_errors = true;
594 }
595 // Print subsequent errors.
596 printf(" Input: ");
597 printf("0x%08" PRIx32, apsr_input);
598 printf(", ");
599 printf("0x%08" PRIx32, qbit_input);
600 printf(", ");
601 printf("0x%08" PRIx32, ge_input);
602 printf(", ");
603 printf("0x%08" PRIx32, rd_input);
604 printf(", ");
605 printf("0x%08" PRIx32, rn_input);
606 printf(", ");
607 printf("0x%08" PRIx32, rm_input);
608 printf("\n");
609 printf(" Expected: ");
610 printf("0x%08" PRIx32, apsr_ref);
611 printf(", ");
612 printf("0x%08" PRIx32, qbit_ref);
613 printf(", ");
614 printf("0x%08" PRIx32, ge_ref);
615 printf(", ");
616 printf("0x%08" PRIx32, rd_ref);
617 printf(", ");
618 printf("0x%08" PRIx32, rn_ref);
619 printf(", ");
620 printf("0x%08" PRIx32, rm_ref);
621 printf("\n");
622 printf(" Found: ");
623 printf("0x%08" PRIx32, apsr);
624 printf(", ");
625 printf("0x%08" PRIx32, qbit);
626 printf(", ");
627 printf("0x%08" PRIx32, ge);
628 printf(", ");
629 printf("0x%08" PRIx32, rd);
630 printf(", ");
631 printf("0x%08" PRIx32, rn);
632 printf(", ");
633 printf("0x%08" PRIx32, rm);
634 printf("\n\n");
635 }
636 }
637 }
638
639 if (total_error_count > kErrorReportLimit) {
640 printf("%u other errors follow.\n",
641 total_error_count - kErrorReportLimit);
642 }
643 VIXL_CHECK(total_error_count == 0);
644 } else {
645 VIXL_WARNING("Assembled the code, but did not run anything.\n");
646 }
647
648 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
649 delete[] results[i]->outputs;
650 delete results[i];
651 delete[] scratch_memory_buffers[i];
652 }
653 }
654
655 // Instantiate tests for each instruction in the list.
656 // TODO: Remove this limitation by having a sandboxing mechanism.
657 #if defined(VIXL_HOST_POINTER_32)
658 #define TEST(mnemonic) \
659 void Test_##mnemonic() { \
660 TestHelper(&MacroAssembler::mnemonic, #mnemonic, kReference##mnemonic); \
661 } \
662 Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_Q_" #mnemonic "_A32", \
663 &Test_##mnemonic);
664 #else
665 #define TEST(mnemonic) \
666 void Test_##mnemonic() { \
667 VIXL_WARNING("This test can only run on a 32-bit host.\n"); \
668 USE(TestHelper); \
669 } \
670 Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_Q_" #mnemonic "_A32", \
671 &Test_##mnemonic);
672 #endif
673
674 FOREACH_INSTRUCTION(TEST)
675 #undef TEST
676
677 } // namespace
678 #endif
679
680 } // namespace aarch32
681 } // namespace vixl
682