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(Sadd16) \
117 M(Sadd8) \
118 M(Sasx) \
119 M(Ssax) \
120 M(Ssub16) \
121 M(Ssub8) \
122 M(Uadd16) \
123 M(Uadd8) \
124 M(Uasx) \
125 M(Usax) \
126 M(Usub16) \
127 M(Usub8)
128
129
130 // The following definitions are defined again in each generated test, therefore
131 // we need to place them in an anomymous namespace. It expresses that they are
132 // local to this file only, and the compiler is not allowed to share these types
133 // across test files during template instantiation. Specifically, `Operands` and
134 // `Inputs` have various layouts across generated tests so they absolutely
135 // cannot be shared.
136
137 #ifdef VIXL_INCLUDE_TARGET_T32
138 namespace {
139
140 // Values to be passed to the assembler to produce the instruction under test.
141 struct Operands {
142 Condition cond;
143 Register rd;
144 Register rn;
145 Register rm;
146 };
147
148 // Input data to feed to the instruction.
149 struct Inputs {
150 uint32_t apsr;
151 uint32_t qbit;
152 uint32_t ge;
153 uint32_t rd;
154 uint32_t rn;
155 uint32_t rm;
156 };
157
158 // This structure contains all input data needed to test one specific encoding.
159 // It used to generate a loop over an instruction.
160 struct TestLoopData {
161 // The `operands` fields represents the values to pass to the assembler to
162 // produce the instruction.
163 Operands operands;
164 // Description of the operands, used for error reporting.
165 const char* operands_description;
166 // Unique identifier, used for generating traces.
167 const char* identifier;
168 // Array of values to be fed to the instruction.
169 size_t input_size;
170 const Inputs* inputs;
171 };
172
173 static const Inputs kGE[] =
174 {{NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffe, 0x00007fff},
175 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000001, 0xffffff83},
176 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff80, 0x00007ffd},
177 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0xffffffe0},
178 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0xffff8003},
179 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0x0000007f},
180 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8001, 0x33333333},
181 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0x00007fff},
182 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x0000007d},
183 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0xffffff80},
184 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0x00000001},
185 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007e, 0xffff8003},
186 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0xffff8003},
187 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000000, 0x00007ffd},
188 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0xcccccccc},
189 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0xffffffff},
190 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xcccccccc},
191 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0xffffff82},
192 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffe0, 0xffff8002},
193 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff81, 0x00000002},
194 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x7ffffffe},
195 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000000, 0xfffffffe},
196 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0xffffff82},
197 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0x00007ffd},
198 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x00000020},
199 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffe, 0x0000007e},
200 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0x00000001},
201 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000000, 0x0000007f},
202 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffe, 0xffff8002},
203 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8001, 0x55555555},
204 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8003, 0x00000002},
205 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000001, 0xffffffe0},
206 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff80, 0x00000002},
207 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffd, 0x0000007e},
208 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0xffff8001},
209 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xffffff82},
210 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff80, 0xfffffffd},
211 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffff8000},
212 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0x7ffffffd},
213 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffd, 0x7fffffff},
214 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x33333333, 0x80000001},
215 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffe, 0xffffff82},
216 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffe0, 0xffffff82},
217 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8001, 0x00000001},
218 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0xffff8003},
219 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0xffffffff},
220 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffe, 0x00000002},
221 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x00000020},
222 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0xffff8000},
223 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8001, 0xaaaaaaaa},
224 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffe, 0x33333333},
225 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0xcccccccc},
226 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x33333333, 0xaaaaaaaa},
227 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0xffff8002},
228 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0x00007ffd},
229 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007d, 0xffff8002},
230 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x00007ffd},
231 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0x7ffffffd},
232 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0xffff8002},
233 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0x00000002},
234 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007fff, 0x0000007f},
235 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffe0, 0x7ffffffe},
236 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffd, 0xfffffffd},
237 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0x0000007e},
238 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0x80000001},
239 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0x0000007f},
240 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xaaaaaaaa, 0xffffff82},
241 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0xaaaaaaaa},
242 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0xffffff81},
243 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x55555555, 0x00000020},
244 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8001, 0x80000000},
245 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0x80000000},
246 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0x0000007f},
247 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0xffffff82},
248 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffd, 0x7ffffffe},
249 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffff, 0x7fffffff},
250 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffd, 0x80000000},
251 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0xffffff80},
252 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffd, 0xaaaaaaaa},
253 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffe0, 0xffff8001},
254 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000000, 0xffff8000},
255 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0xffffff83},
256 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0x00000001},
257 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffe, 0x7fffffff},
258 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000002, 0x00007fff},
259 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007fff, 0x00007fff},
260 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffe, 0x00000001},
261 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8001, 0x7ffffffe},
262 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0x80000001},
263 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x55555555},
264 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff83, 0xfffffffd},
265 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000001, 0x00007ffe},
266 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x0000007f},
267 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0x55555555},
268 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0x00007fff},
269 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000002, 0xffffff82},
270 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffff, 0x0000007f},
271 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0xffffff81},
272 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0xffffff80},
273 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0xffffff82},
274 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x00007ffd},
275 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0xffff8003},
276 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x0000007f},
277 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x00000020},
278 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0x00000002},
279 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffe, 0xfffffffd},
280 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x7ffffffd},
281 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x33333333},
282 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000000, 0x00007ffe},
283 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0xfffffffe},
284 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0x7fffffff},
285 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x00000001},
286 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0xffffff80},
287 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0x0000007d},
288 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0xffffff81},
289 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x0000007e},
290 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0x33333333},
291 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0xffffff83},
292 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0xffffffff},
293 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xcccccccc, 0xcccccccc},
294 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x00000002},
295 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x7ffffffd},
296 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007d, 0xcccccccc},
297 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0x00000000},
298 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffd, 0x00000002},
299 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffff, 0x00000020},
300 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0xffff8002},
301 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0xffffff83},
302 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x80000001},
303 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x55555555, 0xffffffff},
304 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x00000001},
305 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffe, 0x00000001},
306 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007d, 0x80000000},
307 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0x0000007d},
308 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0xffffff83},
309 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0xffffff81},
310 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0xffff8003},
311 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x0000007d},
312 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffe, 0xffff8001},
313 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0x7fffffff},
314 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0xffff8002},
315 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0xffffff80},
316 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x7ffffffd},
317 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8000, 0x7ffffffd},
318 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0xfffffffd},
319 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff82, 0xffff8002},
320 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007e, 0x33333333},
321 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8001, 0x00000000},
322 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8001, 0x7ffffffd},
323 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xcccccccc, 0xffff8003},
324 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffd, 0xffff8000},
325 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007d, 0xaaaaaaaa},
326 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000020, 0xffff8003},
327 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffe, 0xffff8001},
328 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffe, 0x55555555},
329 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000001, 0xffffff83},
330 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0xfffffffe},
331 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8003, 0x0000007f},
332 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0x33333333},
333 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0x00007ffd},
334 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00007ffe},
335 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xffffff81},
336 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00007ffd},
337 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0x33333333},
338 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0xaaaaaaaa},
339 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0xfffffffe},
340 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000000, 0x7ffffffe},
341 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x00000020},
342 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8001, 0x00007ffd},
343 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0xaaaaaaaa},
344 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff81, 0xffffff80},
345 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000002, 0x00000000},
346 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0x33333333},
347 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x0000007e},
348 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000000, 0x80000000},
349 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007d, 0x00007fff},
350 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0xffffff83},
351 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x0000007d},
352 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x33333333, 0x0000007d},
353 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffd, 0x80000001},
354 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0xffffff81},
355 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0xffffff81},
356 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007e, 0xfffffffe},
357 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0x7ffffffd},
358 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffe, 0xffffff81},
359 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007e, 0xffff8002},
360 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000000, 0xffffff81},
361 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffff, 0x33333333},
362 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0xffffff80},
363 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0xaaaaaaaa},
364 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0x0000007d},
365 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0x00000002},
366 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0x33333333},
367 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007e, 0xffffffff},
368 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0x00007ffe},
369 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0xfffffffe},
370 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0xffff8001},
371 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x33333333},
372 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffff8003},
373 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0x0000007d}};
374
375
376 // A loop will be generated for each element of this array.
377 const TestLoopData kTests[] = {{{al, r12, r0, r10},
378 "al r12 r0 r10",
379 "GE_al_r12_r0_r10",
380 ARRAY_SIZE(kGE),
381 kGE}};
382
383 // We record all inputs to the instructions as outputs. This way, we also check
384 // that what shouldn't change didn't change.
385 struct TestResult {
386 size_t output_size;
387 const Inputs* outputs;
388 };
389
390 // These headers each contain an array of `TestResult` with the reference output
391 // values. The reference arrays are names `kReference{mnemonic}`.
392 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-sadd16-t32.h"
393 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-sadd8-t32.h"
394 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-sasx-t32.h"
395 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-ssax-t32.h"
396 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-ssub16-t32.h"
397 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-ssub8-t32.h"
398 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-uadd16-t32.h"
399 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-uadd8-t32.h"
400 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-uasx-t32.h"
401 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-usax-t32.h"
402 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-usub16-t32.h"
403 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-usub8-t32.h"
404
405
406 // The maximum number of errors to report in detail for each test.
407 const unsigned kErrorReportLimit = 8;
408
409 typedef void (MacroAssembler::*Fn)(Condition cond,
410 Register rd,
411 Register rn,
412 Register rm);
413
TestHelper(Fn instruction,const char * mnemonic,const TestResult reference[])414 void TestHelper(Fn instruction,
415 const char* mnemonic,
416 const TestResult reference[]) {
417 SETUP();
418 masm.UseT32();
419 START();
420
421 // Data to compare to `reference`.
422 TestResult* results[ARRAY_SIZE(kTests)];
423
424 // Test cases for memory bound instructions may allocate a buffer and save its
425 // address in this array.
426 byte* scratch_memory_buffers[ARRAY_SIZE(kTests)];
427
428 // Generate a loop for each element in `kTests`. Each loop tests one specific
429 // instruction.
430 for (unsigned i = 0; i < ARRAY_SIZE(kTests); i++) {
431 // Allocate results on the heap for this test.
432 results[i] = new TestResult;
433 results[i]->outputs = new Inputs[kTests[i].input_size];
434 results[i]->output_size = kTests[i].input_size;
435
436 size_t input_stride = sizeof(kTests[i].inputs[0]) * kTests[i].input_size;
437 VIXL_ASSERT(IsUint32(input_stride));
438
439 scratch_memory_buffers[i] = NULL;
440
441 Label loop;
442 UseScratchRegisterScope scratch_registers(&masm);
443 // Include all registers from r0 ro r12.
444 scratch_registers.Include(RegisterList(0x1fff));
445
446 // Values to pass to the macro-assembler.
447 Condition cond = kTests[i].operands.cond;
448 Register rd = kTests[i].operands.rd;
449 Register rn = kTests[i].operands.rn;
450 Register rm = kTests[i].operands.rm;
451 scratch_registers.Exclude(rd);
452 scratch_registers.Exclude(rn);
453 scratch_registers.Exclude(rm);
454
455 // Allocate reserved registers for our own use.
456 Register input_ptr = scratch_registers.Acquire();
457 Register input_end = scratch_registers.Acquire();
458 Register result_ptr = scratch_registers.Acquire();
459
460 // Initialize `input_ptr` to the first element and `input_end` the address
461 // after the array.
462 __ Mov(input_ptr, Operand::From(kTests[i].inputs));
463 __ Add(input_end, input_ptr, static_cast<uint32_t>(input_stride));
464 __ Mov(result_ptr, Operand::From(results[i]->outputs));
465 __ Bind(&loop);
466
467 {
468 UseScratchRegisterScope temp_registers(&masm);
469 Register nzcv_bits = temp_registers.Acquire();
470 Register saved_q_bit = temp_registers.Acquire();
471 // Save the `Q` bit flag.
472 __ Mrs(saved_q_bit, APSR);
473 __ And(saved_q_bit, saved_q_bit, QFlag);
474 // Set the `NZCV` and `Q` flags together.
475 __ Ldr(nzcv_bits, MemOperand(input_ptr, offsetof(Inputs, apsr)));
476 __ Orr(nzcv_bits, nzcv_bits, saved_q_bit);
477 __ Msr(APSR_nzcvq, nzcv_bits);
478 }
479 {
480 UseScratchRegisterScope temp_registers(&masm);
481 Register q_bit = temp_registers.Acquire();
482 Register saved_nzcv_bits = temp_registers.Acquire();
483 // Save the `NZCV` flags.
484 __ Mrs(saved_nzcv_bits, APSR);
485 __ And(saved_nzcv_bits, saved_nzcv_bits, NZCVFlag);
486 // Set the `NZCV` and `Q` flags together.
487 __ Ldr(q_bit, MemOperand(input_ptr, offsetof(Inputs, qbit)));
488 __ Orr(q_bit, q_bit, saved_nzcv_bits);
489 __ Msr(APSR_nzcvq, q_bit);
490 }
491 {
492 UseScratchRegisterScope temp_registers(&masm);
493 Register ge_bits = temp_registers.Acquire();
494 __ Ldr(ge_bits, MemOperand(input_ptr, offsetof(Inputs, ge)));
495 __ Msr(APSR_g, ge_bits);
496 }
497 __ Ldr(rd, MemOperand(input_ptr, offsetof(Inputs, rd)));
498 __ Ldr(rn, MemOperand(input_ptr, offsetof(Inputs, rn)));
499 __ Ldr(rm, MemOperand(input_ptr, offsetof(Inputs, rm)));
500
501 (masm.*instruction)(cond, rd, rn, rm);
502
503 {
504 UseScratchRegisterScope temp_registers(&masm);
505 Register nzcv_bits = temp_registers.Acquire();
506 __ Mrs(nzcv_bits, APSR);
507 // Only record the NZCV bits.
508 __ And(nzcv_bits, nzcv_bits, NZCVFlag);
509 __ Str(nzcv_bits, MemOperand(result_ptr, offsetof(Inputs, apsr)));
510 }
511 {
512 UseScratchRegisterScope temp_registers(&masm);
513 Register q_bit = temp_registers.Acquire();
514 __ Mrs(q_bit, APSR);
515 // Only record the Q bit.
516 __ And(q_bit, q_bit, QFlag);
517 __ Str(q_bit, MemOperand(result_ptr, offsetof(Inputs, qbit)));
518 }
519 {
520 UseScratchRegisterScope temp_registers(&masm);
521 Register ge_bits = temp_registers.Acquire();
522 __ Mrs(ge_bits, APSR);
523 // Only record the GE bits.
524 __ And(ge_bits, ge_bits, GEFlags);
525 __ Str(ge_bits, MemOperand(result_ptr, offsetof(Inputs, ge)));
526 }
527 __ Str(rd, MemOperand(result_ptr, offsetof(Inputs, rd)));
528 __ Str(rn, MemOperand(result_ptr, offsetof(Inputs, rn)));
529 __ Str(rm, MemOperand(result_ptr, offsetof(Inputs, rm)));
530
531 // Advance the result pointer.
532 __ Add(result_ptr, result_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
533 // Loop back until `input_ptr` is lower than `input_base`.
534 __ Add(input_ptr, input_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
535 __ Cmp(input_ptr, input_end);
536 __ B(ne, &loop);
537 }
538
539 END();
540
541 RUN();
542
543 if (Test::generate_test_trace()) {
544 // Print the results.
545 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
546 printf("const Inputs kOutputs_%s_%s[] = {\n",
547 mnemonic,
548 kTests[i].identifier);
549 for (size_t j = 0; j < results[i]->output_size; j++) {
550 printf(" { ");
551 printf("0x%08" PRIx32, results[i]->outputs[j].apsr);
552 printf(", ");
553 printf("0x%08" PRIx32, results[i]->outputs[j].qbit);
554 printf(", ");
555 printf("0x%08" PRIx32, results[i]->outputs[j].ge);
556 printf(", ");
557 printf("0x%08" PRIx32, results[i]->outputs[j].rd);
558 printf(", ");
559 printf("0x%08" PRIx32, results[i]->outputs[j].rn);
560 printf(", ");
561 printf("0x%08" PRIx32, results[i]->outputs[j].rm);
562 printf(" },\n");
563 }
564 printf("};\n");
565 }
566 printf("const TestResult kReference%s[] = {\n", mnemonic);
567 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
568 printf(" {\n");
569 printf(" ARRAY_SIZE(kOutputs_%s_%s),\n",
570 mnemonic,
571 kTests[i].identifier);
572 printf(" kOutputs_%s_%s,\n", mnemonic, kTests[i].identifier);
573 printf(" },\n");
574 }
575 printf("};\n");
576 } else if (kCheckSimulatorTestResults) {
577 // Check the results.
578 unsigned total_error_count = 0;
579 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
580 bool instruction_has_errors = false;
581 for (size_t j = 0; j < kTests[i].input_size; j++) {
582 uint32_t apsr = results[i]->outputs[j].apsr;
583 uint32_t qbit = results[i]->outputs[j].qbit;
584 uint32_t ge = results[i]->outputs[j].ge;
585 uint32_t rd = results[i]->outputs[j].rd;
586 uint32_t rn = results[i]->outputs[j].rn;
587 uint32_t rm = results[i]->outputs[j].rm;
588 uint32_t apsr_input = kTests[i].inputs[j].apsr;
589 uint32_t qbit_input = kTests[i].inputs[j].qbit;
590 uint32_t ge_input = kTests[i].inputs[j].ge;
591 uint32_t rd_input = kTests[i].inputs[j].rd;
592 uint32_t rn_input = kTests[i].inputs[j].rn;
593 uint32_t rm_input = kTests[i].inputs[j].rm;
594 uint32_t apsr_ref = reference[i].outputs[j].apsr;
595 uint32_t qbit_ref = reference[i].outputs[j].qbit;
596 uint32_t ge_ref = reference[i].outputs[j].ge;
597 uint32_t rd_ref = reference[i].outputs[j].rd;
598 uint32_t rn_ref = reference[i].outputs[j].rn;
599 uint32_t rm_ref = reference[i].outputs[j].rm;
600
601 if (((apsr != apsr_ref) || (qbit != qbit_ref) || (ge != ge_ref) ||
602 (rd != rd_ref) || (rn != rn_ref) || (rm != rm_ref)) &&
603 (++total_error_count <= kErrorReportLimit)) {
604 // Print the instruction once even if it triggered multiple failures.
605 if (!instruction_has_errors) {
606 printf("Error(s) when testing \"%s %s\":\n",
607 mnemonic,
608 kTests[i].operands_description);
609 instruction_has_errors = true;
610 }
611 // Print subsequent errors.
612 printf(" Input: ");
613 printf("0x%08" PRIx32, apsr_input);
614 printf(", ");
615 printf("0x%08" PRIx32, qbit_input);
616 printf(", ");
617 printf("0x%08" PRIx32, ge_input);
618 printf(", ");
619 printf("0x%08" PRIx32, rd_input);
620 printf(", ");
621 printf("0x%08" PRIx32, rn_input);
622 printf(", ");
623 printf("0x%08" PRIx32, rm_input);
624 printf("\n");
625 printf(" Expected: ");
626 printf("0x%08" PRIx32, apsr_ref);
627 printf(", ");
628 printf("0x%08" PRIx32, qbit_ref);
629 printf(", ");
630 printf("0x%08" PRIx32, ge_ref);
631 printf(", ");
632 printf("0x%08" PRIx32, rd_ref);
633 printf(", ");
634 printf("0x%08" PRIx32, rn_ref);
635 printf(", ");
636 printf("0x%08" PRIx32, rm_ref);
637 printf("\n");
638 printf(" Found: ");
639 printf("0x%08" PRIx32, apsr);
640 printf(", ");
641 printf("0x%08" PRIx32, qbit);
642 printf(", ");
643 printf("0x%08" PRIx32, ge);
644 printf(", ");
645 printf("0x%08" PRIx32, rd);
646 printf(", ");
647 printf("0x%08" PRIx32, rn);
648 printf(", ");
649 printf("0x%08" PRIx32, rm);
650 printf("\n\n");
651 }
652 }
653 }
654
655 if (total_error_count > kErrorReportLimit) {
656 printf("%u other errors follow.\n",
657 total_error_count - kErrorReportLimit);
658 }
659 VIXL_CHECK(total_error_count == 0);
660 } else {
661 VIXL_WARNING("Assembled the code, but did not run anything.\n");
662 }
663
664 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
665 delete[] results[i]->outputs;
666 delete results[i];
667 delete[] scratch_memory_buffers[i];
668 }
669 }
670
671 // Instantiate tests for each instruction in the list.
672 // TODO: Remove this limitation by having a sandboxing mechanism.
673 #if defined(VIXL_HOST_POINTER_32)
674 #define TEST(mnemonic) \
675 void Test_##mnemonic() { \
676 TestHelper(&MacroAssembler::mnemonic, #mnemonic, kReference##mnemonic); \
677 } \
678 Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_GE_" #mnemonic "_T32", \
679 &Test_##mnemonic);
680 #else
681 #define TEST(mnemonic) \
682 void Test_##mnemonic() { \
683 VIXL_WARNING("This test can only run on a 32-bit host.\n"); \
684 USE(TestHelper); \
685 } \
686 Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_GE_" #mnemonic "_T32", \
687 &Test_##mnemonic);
688 #endif
689
690 FOREACH_INSTRUCTION(TEST)
691 #undef TEST
692
693 } // namespace
694 #endif
695
696 } // namespace aarch32
697 } // namespace vixl
698