1 // Copyright 2016, VIXL authors
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are met:
6 //
7 // * Redistributions of source code must retain the above copyright notice,
8 // this list of conditions and the following disclaimer.
9 // * Redistributions in binary form must reproduce the above copyright notice,
10 // this list of conditions and the following disclaimer in the documentation
11 // and/or other materials provided with the distribution.
12 // * Neither the name of ARM Limited nor the names of its contributors may be
13 // used to endorse or promote products derived from this software without
14 // specific prior written permission.
15 //
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND
17 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
20 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
23 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26
27
28 // -----------------------------------------------------------------------------
29 // This file is auto generated from the
30 // test/aarch32/config/template-simulator-aarch32.cc.in template file using
31 // tools/generate_tests.py.
32 //
33 // PLEASE DO NOT EDIT.
34 // -----------------------------------------------------------------------------
35
36
37 #include "test-runner.h"
38
39 #include "test-utils.h"
40 #include "test-utils-aarch32.h"
41
42 #include "aarch32/assembler-aarch32.h"
43 #include "aarch32/macro-assembler-aarch32.h"
44 #include "aarch32/disasm-aarch32.h"
45
46 #define __ masm.
47 #define BUF_SIZE (4096)
48
49 #ifdef VIXL_INCLUDE_SIMULATOR_AARCH32
50 // Run tests with the simulator.
51
52 #define SETUP() MacroAssembler masm(BUF_SIZE)
53
54 #define START() masm.GetBuffer()->Reset()
55
56 #define END() \
57 __ Hlt(0); \
58 __ FinalizeCode();
59
60 // TODO: Run the tests in the simulator.
61 #define RUN()
62
63 #define TEARDOWN()
64
65 #else // ifdef VIXL_INCLUDE_SIMULATOR_AARCH32.
66
67 #define SETUP() \
68 MacroAssembler masm(BUF_SIZE); \
69 UseScratchRegisterScope harness_scratch(&masm); \
70 harness_scratch.ExcludeAll();
71
72 #define START() \
73 masm.GetBuffer()->Reset(); \
74 __ Push(r4); \
75 __ Push(r5); \
76 __ Push(r6); \
77 __ Push(r7); \
78 __ Push(r8); \
79 __ Push(r9); \
80 __ Push(r10); \
81 __ Push(r11); \
82 __ Push(lr); \
83 harness_scratch.Include(ip);
84
85 #define END() \
86 harness_scratch.Exclude(ip); \
87 __ Pop(lr); \
88 __ Pop(r11); \
89 __ Pop(r10); \
90 __ Pop(r9); \
91 __ Pop(r8); \
92 __ Pop(r7); \
93 __ Pop(r6); \
94 __ Pop(r5); \
95 __ Pop(r4); \
96 __ Bx(lr); \
97 __ FinalizeCode();
98
99 #define RUN() \
100 { \
101 int pcs_offset = masm.IsUsingT32() ? 1 : 0; \
102 masm.GetBuffer()->SetExecutable(); \
103 ExecuteMemory(masm.GetBuffer()->GetStartAddress<byte*>(), \
104 masm.GetSizeOfCodeGenerated(), \
105 pcs_offset); \
106 masm.GetBuffer()->SetWritable(); \
107 }
108
109 #define TEARDOWN() harness_scratch.Close();
110
111 #endif // ifdef VIXL_INCLUDE_SIMULATOR_AARCH32
112
113 namespace vixl {
114 namespace aarch32 {
115
116 // List of instruction encodings:
117 #define FOREACH_INSTRUCTION(M) \
118 M(Sadd16) \
119 M(Sadd8) \
120 M(Sasx) \
121 M(Ssax) \
122 M(Ssub16) \
123 M(Ssub8) \
124 M(Uadd16) \
125 M(Uadd8) \
126 M(Uasx) \
127 M(Usax) \
128 M(Usub16) \
129 M(Usub8)
130
131
132 // The following definitions are defined again in each generated test, therefore
133 // we need to place them in an anomymous namespace. It expresses that they are
134 // local to this file only, and the compiler is not allowed to share these types
135 // across test files during template instantiation. Specifically, `Operands` and
136 // `Inputs` have various layouts across generated tests so they absolutely
137 // cannot be shared.
138
139 #ifdef VIXL_INCLUDE_TARGET_T32
140 namespace {
141
142 // Values to be passed to the assembler to produce the instruction under test.
143 struct Operands {
144 Condition cond;
145 Register rd;
146 Register rn;
147 Register rm;
148 };
149
150 // Input data to feed to the instruction.
151 struct Inputs {
152 uint32_t apsr;
153 uint32_t qbit;
154 uint32_t ge;
155 uint32_t rd;
156 uint32_t rn;
157 uint32_t rm;
158 };
159
160 // This structure contains all input data needed to test one specific encoding.
161 // It used to generate a loop over an instruction.
162 struct TestLoopData {
163 // The `operands` fields represents the values to pass to the assembler to
164 // produce the instruction.
165 Operands operands;
166 // Description of the operands, used for error reporting.
167 const char* operands_description;
168 // Unique identifier, used for generating traces.
169 const char* identifier;
170 // Array of values to be fed to the instruction.
171 size_t input_size;
172 const Inputs* inputs;
173 };
174
175 static const Inputs kGE[] =
176 {{NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffe, 0x00007fff},
177 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000001, 0xffffff83},
178 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff80, 0x00007ffd},
179 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0xffffffe0},
180 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0xffff8003},
181 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0x0000007f},
182 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8001, 0x33333333},
183 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0x00007fff},
184 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x0000007d},
185 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0xffffff80},
186 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0x00000001},
187 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007e, 0xffff8003},
188 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0xffff8003},
189 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000000, 0x00007ffd},
190 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0xcccccccc},
191 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0xffffffff},
192 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xcccccccc},
193 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0xffffff82},
194 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffe0, 0xffff8002},
195 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff81, 0x00000002},
196 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x7ffffffe},
197 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000000, 0xfffffffe},
198 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0xffffff82},
199 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0x00007ffd},
200 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x00000020},
201 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffe, 0x0000007e},
202 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0x00000001},
203 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000000, 0x0000007f},
204 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffe, 0xffff8002},
205 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8001, 0x55555555},
206 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8003, 0x00000002},
207 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000001, 0xffffffe0},
208 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff80, 0x00000002},
209 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffd, 0x0000007e},
210 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0xffff8001},
211 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xffffff82},
212 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff80, 0xfffffffd},
213 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffff8000},
214 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0x7ffffffd},
215 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffd, 0x7fffffff},
216 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x33333333, 0x80000001},
217 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffe, 0xffffff82},
218 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffe0, 0xffffff82},
219 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8001, 0x00000001},
220 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0xffff8003},
221 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0xffffffff},
222 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffe, 0x00000002},
223 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x00000020},
224 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0xffff8000},
225 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8001, 0xaaaaaaaa},
226 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffe, 0x33333333},
227 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0xcccccccc},
228 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x33333333, 0xaaaaaaaa},
229 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0xffff8002},
230 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0x00007ffd},
231 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007d, 0xffff8002},
232 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x00007ffd},
233 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0x7ffffffd},
234 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0xffff8002},
235 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0x00000002},
236 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007fff, 0x0000007f},
237 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffe0, 0x7ffffffe},
238 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffd, 0xfffffffd},
239 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0x0000007e},
240 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0x80000001},
241 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0x0000007f},
242 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xaaaaaaaa, 0xffffff82},
243 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0xaaaaaaaa},
244 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0xffffff81},
245 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x55555555, 0x00000020},
246 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8001, 0x80000000},
247 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0x80000000},
248 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0x0000007f},
249 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0xffffff82},
250 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffd, 0x7ffffffe},
251 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffff, 0x7fffffff},
252 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffd, 0x80000000},
253 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0xffffff80},
254 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffd, 0xaaaaaaaa},
255 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffe0, 0xffff8001},
256 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000000, 0xffff8000},
257 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0xffffff83},
258 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0x00000001},
259 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffe, 0x7fffffff},
260 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000002, 0x00007fff},
261 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007fff, 0x00007fff},
262 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffe, 0x00000001},
263 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8001, 0x7ffffffe},
264 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0x80000001},
265 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x55555555},
266 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff83, 0xfffffffd},
267 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000001, 0x00007ffe},
268 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x0000007f},
269 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0x55555555},
270 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0x00007fff},
271 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000002, 0xffffff82},
272 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffff, 0x0000007f},
273 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0xffffff81},
274 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0xffffff80},
275 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0xffffff82},
276 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x00007ffd},
277 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0xffff8003},
278 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x0000007f},
279 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x00000020},
280 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0x00000002},
281 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffe, 0xfffffffd},
282 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x7ffffffd},
283 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x33333333},
284 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000000, 0x00007ffe},
285 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0xfffffffe},
286 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0x7fffffff},
287 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x00000001},
288 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0xffffff80},
289 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0x0000007d},
290 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0xffffff81},
291 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x0000007e},
292 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0x33333333},
293 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0xffffff83},
294 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0xffffffff},
295 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xcccccccc, 0xcccccccc},
296 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x00000002},
297 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x7ffffffd},
298 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007d, 0xcccccccc},
299 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0x00000000},
300 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffd, 0x00000002},
301 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffff, 0x00000020},
302 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0xffff8002},
303 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0xffffff83},
304 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x80000001},
305 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x55555555, 0xffffffff},
306 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x00000001},
307 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffe, 0x00000001},
308 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007d, 0x80000000},
309 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0x0000007d},
310 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0xffffff83},
311 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0xffffff81},
312 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0xffff8003},
313 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x0000007d},
314 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffe, 0xffff8001},
315 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0x7fffffff},
316 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0xffff8002},
317 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0xffffff80},
318 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x7ffffffd},
319 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8000, 0x7ffffffd},
320 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0xfffffffd},
321 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff82, 0xffff8002},
322 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007e, 0x33333333},
323 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8001, 0x00000000},
324 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8001, 0x7ffffffd},
325 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xcccccccc, 0xffff8003},
326 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffd, 0xffff8000},
327 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007d, 0xaaaaaaaa},
328 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000020, 0xffff8003},
329 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffe, 0xffff8001},
330 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffe, 0x55555555},
331 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000001, 0xffffff83},
332 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0xfffffffe},
333 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8003, 0x0000007f},
334 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0x33333333},
335 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0x00007ffd},
336 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00007ffe},
337 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xffffff81},
338 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00007ffd},
339 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0x33333333},
340 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0xaaaaaaaa},
341 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0xfffffffe},
342 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000000, 0x7ffffffe},
343 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x00000020},
344 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8001, 0x00007ffd},
345 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0xaaaaaaaa},
346 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff81, 0xffffff80},
347 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000002, 0x00000000},
348 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0x33333333},
349 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x0000007e},
350 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000000, 0x80000000},
351 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007d, 0x00007fff},
352 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0xffffff83},
353 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x0000007d},
354 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x33333333, 0x0000007d},
355 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffd, 0x80000001},
356 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0xffffff81},
357 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0xffffff81},
358 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007e, 0xfffffffe},
359 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0x7ffffffd},
360 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffe, 0xffffff81},
361 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007e, 0xffff8002},
362 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000000, 0xffffff81},
363 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffff, 0x33333333},
364 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0xffffff80},
365 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0xaaaaaaaa},
366 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0x0000007d},
367 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0x00000002},
368 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0x33333333},
369 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007e, 0xffffffff},
370 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0x00007ffe},
371 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0xfffffffe},
372 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0xffff8001},
373 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x33333333},
374 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffff8003},
375 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0x0000007d}};
376
377
378 // A loop will be generated for each element of this array.
379 const TestLoopData kTests[] = {{{al, r12, r0, r10},
380 "al r12 r0 r10",
381 "GE_al_r12_r0_r10",
382 ARRAY_SIZE(kGE),
383 kGE}};
384
385 // We record all inputs to the instructions as outputs. This way, we also check
386 // that what shouldn't change didn't change.
387 struct TestResult {
388 size_t output_size;
389 const Inputs* outputs;
390 };
391
392 // These headers each contain an array of `TestResult` with the reference output
393 // values. The reference arrays are names `kReference{mnemonic}`.
394 #include "aarch32/traces/simulator-cond-rd-rn-rm-t32-ge-sadd16.h"
395 #include "aarch32/traces/simulator-cond-rd-rn-rm-t32-ge-sadd8.h"
396 #include "aarch32/traces/simulator-cond-rd-rn-rm-t32-ge-sasx.h"
397 #include "aarch32/traces/simulator-cond-rd-rn-rm-t32-ge-ssax.h"
398 #include "aarch32/traces/simulator-cond-rd-rn-rm-t32-ge-ssub16.h"
399 #include "aarch32/traces/simulator-cond-rd-rn-rm-t32-ge-ssub8.h"
400 #include "aarch32/traces/simulator-cond-rd-rn-rm-t32-ge-uadd16.h"
401 #include "aarch32/traces/simulator-cond-rd-rn-rm-t32-ge-uadd8.h"
402 #include "aarch32/traces/simulator-cond-rd-rn-rm-t32-ge-uasx.h"
403 #include "aarch32/traces/simulator-cond-rd-rn-rm-t32-ge-usax.h"
404 #include "aarch32/traces/simulator-cond-rd-rn-rm-t32-ge-usub16.h"
405 #include "aarch32/traces/simulator-cond-rd-rn-rm-t32-ge-usub8.h"
406
407
408 // The maximum number of errors to report in detail for each test.
409 const unsigned kErrorReportLimit = 8;
410
411 typedef void (MacroAssembler::*Fn)(Condition cond,
412 Register rd,
413 Register rn,
414 Register rm);
415
TestHelper(Fn instruction,const char * mnemonic,const TestResult reference[])416 void TestHelper(Fn instruction,
417 const char* mnemonic,
418 const TestResult reference[]) {
419 SETUP();
420 masm.UseT32();
421 START();
422
423 // Data to compare to `reference`.
424 TestResult* results[ARRAY_SIZE(kTests)];
425
426 // Test cases for memory bound instructions may allocate a buffer and save its
427 // address in this array.
428 byte* scratch_memory_buffers[ARRAY_SIZE(kTests)];
429
430 // Generate a loop for each element in `kTests`. Each loop tests one specific
431 // instruction.
432 for (unsigned i = 0; i < ARRAY_SIZE(kTests); i++) {
433 // Allocate results on the heap for this test.
434 results[i] = new TestResult;
435 results[i]->outputs = new Inputs[kTests[i].input_size];
436 results[i]->output_size = kTests[i].input_size;
437
438 size_t input_stride = sizeof(kTests[i].inputs[0]) * kTests[i].input_size;
439 VIXL_ASSERT(IsUint32(input_stride));
440
441 scratch_memory_buffers[i] = NULL;
442
443 Label loop;
444 UseScratchRegisterScope scratch_registers(&masm);
445 // Include all registers from r0 ro r12.
446 scratch_registers.Include(RegisterList(0x1fff));
447
448 // Values to pass to the macro-assembler.
449 Condition cond = kTests[i].operands.cond;
450 Register rd = kTests[i].operands.rd;
451 Register rn = kTests[i].operands.rn;
452 Register rm = kTests[i].operands.rm;
453 scratch_registers.Exclude(rd);
454 scratch_registers.Exclude(rn);
455 scratch_registers.Exclude(rm);
456
457 // Allocate reserved registers for our own use.
458 Register input_ptr = scratch_registers.Acquire();
459 Register input_end = scratch_registers.Acquire();
460 Register result_ptr = scratch_registers.Acquire();
461
462 // Initialize `input_ptr` to the first element and `input_end` the address
463 // after the array.
464 __ Mov(input_ptr, Operand::From(kTests[i].inputs));
465 __ Add(input_end, input_ptr, static_cast<uint32_t>(input_stride));
466 __ Mov(result_ptr, Operand::From(results[i]->outputs));
467 __ Bind(&loop);
468
469 {
470 UseScratchRegisterScope temp_registers(&masm);
471 Register nzcv_bits = temp_registers.Acquire();
472 Register saved_q_bit = temp_registers.Acquire();
473 // Save the `Q` bit flag.
474 __ Mrs(saved_q_bit, APSR);
475 __ And(saved_q_bit, saved_q_bit, QFlag);
476 // Set the `NZCV` and `Q` flags together.
477 __ Ldr(nzcv_bits, MemOperand(input_ptr, offsetof(Inputs, apsr)));
478 __ Orr(nzcv_bits, nzcv_bits, saved_q_bit);
479 __ Msr(APSR_nzcvq, nzcv_bits);
480 }
481 {
482 UseScratchRegisterScope temp_registers(&masm);
483 Register q_bit = temp_registers.Acquire();
484 Register saved_nzcv_bits = temp_registers.Acquire();
485 // Save the `NZCV` flags.
486 __ Mrs(saved_nzcv_bits, APSR);
487 __ And(saved_nzcv_bits, saved_nzcv_bits, NZCVFlag);
488 // Set the `NZCV` and `Q` flags together.
489 __ Ldr(q_bit, MemOperand(input_ptr, offsetof(Inputs, qbit)));
490 __ Orr(q_bit, q_bit, saved_nzcv_bits);
491 __ Msr(APSR_nzcvq, q_bit);
492 }
493 {
494 UseScratchRegisterScope temp_registers(&masm);
495 Register ge_bits = temp_registers.Acquire();
496 __ Ldr(ge_bits, MemOperand(input_ptr, offsetof(Inputs, ge)));
497 __ Msr(APSR_g, ge_bits);
498 }
499 __ Ldr(rd, MemOperand(input_ptr, offsetof(Inputs, rd)));
500 __ Ldr(rn, MemOperand(input_ptr, offsetof(Inputs, rn)));
501 __ Ldr(rm, MemOperand(input_ptr, offsetof(Inputs, rm)));
502
503 (masm.*instruction)(cond, rd, rn, rm);
504
505 {
506 UseScratchRegisterScope temp_registers(&masm);
507 Register nzcv_bits = temp_registers.Acquire();
508 __ Mrs(nzcv_bits, APSR);
509 // Only record the NZCV bits.
510 __ And(nzcv_bits, nzcv_bits, NZCVFlag);
511 __ Str(nzcv_bits, MemOperand(result_ptr, offsetof(Inputs, apsr)));
512 }
513 {
514 UseScratchRegisterScope temp_registers(&masm);
515 Register q_bit = temp_registers.Acquire();
516 __ Mrs(q_bit, APSR);
517 // Only record the Q bit.
518 __ And(q_bit, q_bit, QFlag);
519 __ Str(q_bit, MemOperand(result_ptr, offsetof(Inputs, qbit)));
520 }
521 {
522 UseScratchRegisterScope temp_registers(&masm);
523 Register ge_bits = temp_registers.Acquire();
524 __ Mrs(ge_bits, APSR);
525 // Only record the GE bits.
526 __ And(ge_bits, ge_bits, GEFlags);
527 __ Str(ge_bits, MemOperand(result_ptr, offsetof(Inputs, ge)));
528 }
529 __ Str(rd, MemOperand(result_ptr, offsetof(Inputs, rd)));
530 __ Str(rn, MemOperand(result_ptr, offsetof(Inputs, rn)));
531 __ Str(rm, MemOperand(result_ptr, offsetof(Inputs, rm)));
532
533 // Advance the result pointer.
534 __ Add(result_ptr, result_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
535 // Loop back until `input_ptr` is lower than `input_base`.
536 __ Add(input_ptr, input_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
537 __ Cmp(input_ptr, input_end);
538 __ B(ne, &loop);
539 }
540
541 END();
542
543 RUN();
544
545 if (Test::generate_test_trace()) {
546 // Print the results.
547 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
548 printf("const Inputs kOutputs_%s_%s[] = {\n",
549 mnemonic,
550 kTests[i].identifier);
551 for (size_t j = 0; j < results[i]->output_size; j++) {
552 printf(" { ");
553 printf("0x%08" PRIx32, results[i]->outputs[j].apsr);
554 printf(", ");
555 printf("0x%08" PRIx32, results[i]->outputs[j].qbit);
556 printf(", ");
557 printf("0x%08" PRIx32, results[i]->outputs[j].ge);
558 printf(", ");
559 printf("0x%08" PRIx32, results[i]->outputs[j].rd);
560 printf(", ");
561 printf("0x%08" PRIx32, results[i]->outputs[j].rn);
562 printf(", ");
563 printf("0x%08" PRIx32, results[i]->outputs[j].rm);
564 printf(" },\n");
565 }
566 printf("};\n");
567 }
568 printf("const TestResult kReference%s[] = {\n", mnemonic);
569 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
570 printf(" {\n");
571 printf(" ARRAY_SIZE(kOutputs_%s_%s),\n",
572 mnemonic,
573 kTests[i].identifier);
574 printf(" kOutputs_%s_%s,\n", mnemonic, kTests[i].identifier);
575 printf(" },\n");
576 }
577 printf("};\n");
578 } else if (kCheckSimulatorTestResults) {
579 // Check the results.
580 unsigned total_error_count = 0;
581 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
582 bool instruction_has_errors = false;
583 for (size_t j = 0; j < kTests[i].input_size; j++) {
584 uint32_t apsr = results[i]->outputs[j].apsr;
585 uint32_t qbit = results[i]->outputs[j].qbit;
586 uint32_t ge = results[i]->outputs[j].ge;
587 uint32_t rd = results[i]->outputs[j].rd;
588 uint32_t rn = results[i]->outputs[j].rn;
589 uint32_t rm = results[i]->outputs[j].rm;
590 uint32_t apsr_input = kTests[i].inputs[j].apsr;
591 uint32_t qbit_input = kTests[i].inputs[j].qbit;
592 uint32_t ge_input = kTests[i].inputs[j].ge;
593 uint32_t rd_input = kTests[i].inputs[j].rd;
594 uint32_t rn_input = kTests[i].inputs[j].rn;
595 uint32_t rm_input = kTests[i].inputs[j].rm;
596 uint32_t apsr_ref = reference[i].outputs[j].apsr;
597 uint32_t qbit_ref = reference[i].outputs[j].qbit;
598 uint32_t ge_ref = reference[i].outputs[j].ge;
599 uint32_t rd_ref = reference[i].outputs[j].rd;
600 uint32_t rn_ref = reference[i].outputs[j].rn;
601 uint32_t rm_ref = reference[i].outputs[j].rm;
602
603 if (((apsr != apsr_ref) || (qbit != qbit_ref) || (ge != ge_ref) ||
604 (rd != rd_ref) || (rn != rn_ref) || (rm != rm_ref)) &&
605 (++total_error_count <= kErrorReportLimit)) {
606 // Print the instruction once even if it triggered multiple failures.
607 if (!instruction_has_errors) {
608 printf("Error(s) when testing \"%s %s\":\n",
609 mnemonic,
610 kTests[i].operands_description);
611 instruction_has_errors = true;
612 }
613 // Print subsequent errors.
614 printf(" Input: ");
615 printf("0x%08" PRIx32, apsr_input);
616 printf(", ");
617 printf("0x%08" PRIx32, qbit_input);
618 printf(", ");
619 printf("0x%08" PRIx32, ge_input);
620 printf(", ");
621 printf("0x%08" PRIx32, rd_input);
622 printf(", ");
623 printf("0x%08" PRIx32, rn_input);
624 printf(", ");
625 printf("0x%08" PRIx32, rm_input);
626 printf("\n");
627 printf(" Expected: ");
628 printf("0x%08" PRIx32, apsr_ref);
629 printf(", ");
630 printf("0x%08" PRIx32, qbit_ref);
631 printf(", ");
632 printf("0x%08" PRIx32, ge_ref);
633 printf(", ");
634 printf("0x%08" PRIx32, rd_ref);
635 printf(", ");
636 printf("0x%08" PRIx32, rn_ref);
637 printf(", ");
638 printf("0x%08" PRIx32, rm_ref);
639 printf("\n");
640 printf(" Found: ");
641 printf("0x%08" PRIx32, apsr);
642 printf(", ");
643 printf("0x%08" PRIx32, qbit);
644 printf(", ");
645 printf("0x%08" PRIx32, ge);
646 printf(", ");
647 printf("0x%08" PRIx32, rd);
648 printf(", ");
649 printf("0x%08" PRIx32, rn);
650 printf(", ");
651 printf("0x%08" PRIx32, rm);
652 printf("\n\n");
653 }
654 }
655 }
656
657 if (total_error_count > kErrorReportLimit) {
658 printf("%u other errors follow.\n",
659 total_error_count - kErrorReportLimit);
660 }
661 VIXL_CHECK(total_error_count == 0);
662 } else {
663 VIXL_WARNING("Assembled the code, but did not run anything.\n");
664 }
665
666 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
667 delete[] results[i]->outputs;
668 delete results[i];
669 delete[] scratch_memory_buffers[i];
670 }
671
672 TEARDOWN();
673 }
674
675 // Instantiate tests for each instruction in the list.
676 // TODO: Remove this limitation by having a sandboxing mechanism.
677 #if defined(VIXL_HOST_POINTER_32)
678 #define TEST(mnemonic) \
679 void Test_##mnemonic() { \
680 TestHelper(&MacroAssembler::mnemonic, #mnemonic, kReference##mnemonic); \
681 } \
682 Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_T32_GE_" #mnemonic, \
683 &Test_##mnemonic);
684 #else
685 #define TEST(mnemonic) \
686 void Test_##mnemonic() { \
687 VIXL_WARNING("This test can only run on a 32-bit host.\n"); \
688 USE(TestHelper); \
689 } \
690 Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_T32_GE_" #mnemonic, \
691 &Test_##mnemonic);
692 #endif
693
694 FOREACH_INSTRUCTION(TEST)
695 #undef TEST
696
697 } // namespace
698 #endif
699
700 } // namespace aarch32
701 } // namespace vixl
702