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) M(Sel)
118
119
120 // The following definitions are defined again in each generated test, therefore
121 // we need to place them in an anomymous namespace. It expresses that they are
122 // local to this file only, and the compiler is not allowed to share these types
123 // across test files during template instantiation. Specifically, `Operands` and
124 // `Inputs` have various layouts across generated tests so they absolutely
125 // cannot be shared.
126
127 #ifdef VIXL_INCLUDE_TARGET_T32
128 namespace {
129
130 // Values to be passed to the assembler to produce the instruction under test.
131 struct Operands {
132 Condition cond;
133 Register rd;
134 Register rn;
135 Register rm;
136 };
137
138 // Input data to feed to the instruction.
139 struct Inputs {
140 uint32_t apsr;
141 uint32_t qbit;
142 uint32_t ge;
143 uint32_t rd;
144 uint32_t rn;
145 uint32_t rm;
146 };
147
148 // This structure contains all input data needed to test one specific encoding.
149 // It used to generate a loop over an instruction.
150 struct TestLoopData {
151 // The `operands` fields represents the values to pass to the assembler to
152 // produce the instruction.
153 Operands operands;
154 // Description of the operands, used for error reporting.
155 const char* operands_description;
156 // Unique identifier, used for generating traces.
157 const char* identifier;
158 // Array of values to be fed to the instruction.
159 size_t input_size;
160 const Inputs* inputs;
161 };
162
163 static const Inputs kGE[] =
164 {{NoFlag, NoFlag, GE123Flag, 0xabababab, 0xfffffffe, 0x0000007e},
165 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x7fffffff, 0xffffff82},
166 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x7ffffffe, 0xffffff81},
167 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x7fffffff, 0x0000007d},
168 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffff8003},
169 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x00007ffe, 0xffffff83},
170 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xaaaaaaaa, 0xfffffffd},
171 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x80000000, 0x80000001},
172 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffffff80, 0x7fffffff},
173 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffff8000, 0xfffffffd},
174 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0x0000007e},
175 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xffff8002, 0x00007ffe},
176 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007ffe, 0x33333333},
177 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x00000001},
178 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xfffffffe, 0x00000020},
179 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x7ffffffd, 0x00000001},
180 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffff80, 0x80000000},
181 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x7ffffffe, 0xffffff83},
182 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffe, 0x00000001},
183 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x7ffffffe, 0x0000007f},
184 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x00007fff, 0x80000001},
185 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xaaaaaaaa, 0x0000007d},
186 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffff8000, 0x0000007e},
187 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x80000000, 0xffffff80},
188 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xffffff82, 0x80000000},
189 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8003, 0x00000000},
190 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00000001, 0x7ffffffd},
191 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x00007ffd, 0x00000001},
192 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffffff83, 0xaaaaaaaa},
193 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffffff83},
194 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x80000001, 0xffffff81},
195 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xfffffffe, 0x00000000},
196 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x00007ffd, 0x00000001},
197 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffff8002, 0x00000002},
198 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x00007fff, 0x0000007d},
199 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x7ffffffd, 0xffffff80},
200 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x80000000, 0xffffffff},
201 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x00007fff},
202 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffff8002, 0xffffff82},
203 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x0000007f},
204 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffffff, 0xfffffffd},
205 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00000001, 0x00000001},
206 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x00007ffd, 0xaaaaaaaa},
207 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x7fffffff, 0x0000007e},
208 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x80000001, 0xffff8002},
209 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffff8003, 0x80000000},
210 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x33333333, 0xffffff80},
211 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x7ffffffe, 0x00007ffd},
212 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007fff, 0x00000000},
213 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x00000001, 0x55555555},
214 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x0000007e, 0xffff8003},
215 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffd, 0x0000007e},
216 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x80000000, 0x00000000},
217 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0x00007ffd},
218 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xffffff82, 0xfffffffe},
219 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffff8000, 0xffff8001},
220 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x33333333, 0x0000007d},
221 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000002, 0xffffff82},
222 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x0000007f, 0x55555555},
223 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffff81, 0xcccccccc},
224 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffe, 0x33333333},
225 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0x80000001},
226 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8001, 0xcccccccc},
227 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x33333333, 0xaaaaaaaa},
228 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007fff, 0x0000007f},
229 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x0000007d, 0x00000001},
230 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xffff8001, 0x00007ffd},
231 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x0000007e, 0x80000001},
232 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xffff8003, 0x00000000},
233 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8002, 0xfffffffd},
234 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffffff, 0xffffff80},
235 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007fff, 0xffffffe0},
236 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xaaaaaaaa, 0x00007fff},
237 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffff8002, 0xffffffff},
238 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x0000007e, 0xffffff81},
239 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x7fffffff, 0x00007fff},
240 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffff82, 0xffffff83},
241 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xfffffffe, 0x7ffffffe},
242 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x00007fff, 0xaaaaaaaa},
243 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00000002, 0xffff8003},
244 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffff80, 0x80000000},
245 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x80000001},
246 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x7fffffff, 0x0000007e},
247 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x55555555, 0x00007fff},
248 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffffff, 0x00007fff},
249 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0x7ffffffd},
250 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffffff82, 0xffff8002},
251 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0x0000007e},
252 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x7ffffffe, 0xcccccccc},
253 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xffff8002, 0xfffffffd},
254 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffffff80, 0xffff8003},
255 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x0000007e, 0xaaaaaaaa},
256 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00007fff, 0xffffff83},
257 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xfffffffe, 0x00007ffd},
258 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xcccccccc, 0xffff8000},
259 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x00007ffe, 0x7ffffffd},
260 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x0000007f, 0x55555555},
261 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x80000000, 0xffff8000},
262 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffffff, 0xffffffe0},
263 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x80000000},
264 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x0000007d, 0xfffffffd},
265 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffd, 0xffffffff},
266 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x00007ffd, 0x7ffffffd},
267 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffff8003, 0x00000002},
268 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x55555555, 0xffff8001},
269 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00000000, 0x00007fff},
270 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x00000001, 0xffffff83},
271 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x00007ffe},
272 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffff81, 0x80000001},
273 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x0000007d, 0x00000002},
274 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff80, 0x7ffffffd},
275 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xcccccccc, 0xffff8000},
276 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xcccccccc, 0xffffff81},
277 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffffff81, 0x00000000},
278 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x33333333, 0xffffff82},
279 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffff83, 0xffffffe0},
280 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xfffffffe, 0x0000007d},
281 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x00000020, 0xffff8000},
282 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x00000002, 0x00007ffe},
283 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8000, 0xffffff80},
284 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xfffffffe, 0xffffff81},
285 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffffff, 0xffffffff},
286 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x00007ffd, 0xffffff81},
287 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xcccccccc, 0xffffff82},
288 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007ffd, 0xfffffffd},
289 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8002, 0x0000007d},
290 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xaaaaaaaa, 0x0000007f},
291 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffff8000, 0x7ffffffd},
292 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xcccccccc, 0x00007ffe},
293 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x0000007e, 0xffff8002},
294 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffffe0, 0x7ffffffd},
295 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xfffffffd, 0xffffff82},
296 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xffff8002, 0x7fffffff},
297 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x7ffffffe, 0xfffffffd},
298 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x80000001, 0xffffffff},
299 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007fff, 0x00000020},
300 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffff82, 0xffff8001},
301 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xffffff80, 0x00000000},
302 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xaaaaaaaa, 0x00000001},
303 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x55555555, 0xffff8003},
304 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffffff82, 0x0000007e},
305 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xfffffffd, 0x55555555},
306 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00000002, 0xfffffffe},
307 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x00007ffe, 0xfffffffd},
308 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffff82, 0x7ffffffe},
309 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffff80, 0x0000007d},
310 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffff8003, 0xffffff82},
311 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x55555555, 0x80000000},
312 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x00000001, 0xffff8003},
313 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x00000002, 0xffffff80},
314 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffff, 0x00000002},
315 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0x33333333},
316 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8002, 0x55555555},
317 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xfffffffd, 0x7ffffffd},
318 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xcccccccc, 0xfffffffe},
319 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x00000001, 0x33333333},
320 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0xffffff83},
321 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0x0000007f},
322 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffffff81, 0xffff8001},
323 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffffffe0, 0x00007fff},
324 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffffff80, 0x33333333},
325 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00007ffe, 0x00007ffe},
326 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x55555555, 0x00000002},
327 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00000002, 0x7ffffffd},
328 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffffff81, 0xffffff80},
329 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000001, 0x00007ffe},
330 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffff8001, 0xffff8002},
331 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xaaaaaaaa, 0x7ffffffd},
332 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0xffff8003},
333 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x80000000, 0xffffffff},
334 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xfffffffe, 0x33333333},
335 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x00000002, 0xffffff82},
336 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x7ffffffe},
337 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x00000002, 0x00000001},
338 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0xffffffff},
339 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x00007ffd, 0x00000001},
340 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x55555555, 0x7fffffff},
341 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xfffffffe, 0x00000002},
342 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x0000007d, 0x7ffffffe},
343 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x0000007d, 0x7fffffff},
344 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffffff80, 0x7fffffff},
345 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xffffff82, 0x00000001},
346 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffffff82, 0xffffff80},
347 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffff8003, 0xffff8000},
348 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xfffffffe, 0xffffff82},
349 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x0000007f, 0xffffffe0},
350 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00000002, 0x00007ffe},
351 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x0000007e, 0xffffff83},
352 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007ffd, 0xffffffff},
353 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0xffff8001},
354 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xffffffe0, 0x33333333},
355 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xffffff83, 0xffffff83},
356 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0x00007fff},
357 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x0000007d, 0x00007ffe},
358 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x0000007d, 0xaaaaaaaa},
359 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x0000007d, 0xaaaaaaaa},
360 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xaaaaaaaa, 0x80000001},
361 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x0000007d, 0x55555555},
362 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xfffffffd, 0x00007ffd},
363 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffff8001, 0xfffffffe}};
364
365
366 // A loop will be generated for each element of this array.
367 const TestLoopData kTests[] = {{{al, r9, r2, r10},
368 "al r9 r2 r10",
369 "GE_al_r9_r2_r10",
370 ARRAY_SIZE(kGE),
371 kGE}};
372
373 // We record all inputs to the instructions as outputs. This way, we also check
374 // that what shouldn't change didn't change.
375 struct TestResult {
376 size_t output_size;
377 const Inputs* outputs;
378 };
379
380 // These headers each contain an array of `TestResult` with the reference output
381 // values. The reference arrays are names `kReference{mnemonic}`.
382 #include "aarch32/traces/simulator-cond-rd-rn-rm-t32-sel-sel.h"
383
384
385 // The maximum number of errors to report in detail for each test.
386 const unsigned kErrorReportLimit = 8;
387
388 typedef void (MacroAssembler::*Fn)(Condition cond,
389 Register rd,
390 Register rn,
391 Register rm);
392
TestHelper(Fn instruction,const char * mnemonic,const TestResult reference[])393 void TestHelper(Fn instruction,
394 const char* mnemonic,
395 const TestResult reference[]) {
396 SETUP();
397 masm.UseT32();
398 START();
399
400 // Data to compare to `reference`.
401 TestResult* results[ARRAY_SIZE(kTests)];
402
403 // Test cases for memory bound instructions may allocate a buffer and save its
404 // address in this array.
405 byte* scratch_memory_buffers[ARRAY_SIZE(kTests)];
406
407 // Generate a loop for each element in `kTests`. Each loop tests one specific
408 // instruction.
409 for (unsigned i = 0; i < ARRAY_SIZE(kTests); i++) {
410 // Allocate results on the heap for this test.
411 results[i] = new TestResult;
412 results[i]->outputs = new Inputs[kTests[i].input_size];
413 results[i]->output_size = kTests[i].input_size;
414
415 size_t input_stride = sizeof(kTests[i].inputs[0]) * kTests[i].input_size;
416 VIXL_ASSERT(IsUint32(input_stride));
417
418 scratch_memory_buffers[i] = NULL;
419
420 Label loop;
421 UseScratchRegisterScope scratch_registers(&masm);
422 // Include all registers from r0 ro r12.
423 scratch_registers.Include(RegisterList(0x1fff));
424
425 // Values to pass to the macro-assembler.
426 Condition cond = kTests[i].operands.cond;
427 Register rd = kTests[i].operands.rd;
428 Register rn = kTests[i].operands.rn;
429 Register rm = kTests[i].operands.rm;
430 scratch_registers.Exclude(rd);
431 scratch_registers.Exclude(rn);
432 scratch_registers.Exclude(rm);
433
434 // Allocate reserved registers for our own use.
435 Register input_ptr = scratch_registers.Acquire();
436 Register input_end = scratch_registers.Acquire();
437 Register result_ptr = scratch_registers.Acquire();
438
439 // Initialize `input_ptr` to the first element and `input_end` the address
440 // after the array.
441 __ Mov(input_ptr, Operand::From(kTests[i].inputs));
442 __ Add(input_end, input_ptr, static_cast<uint32_t>(input_stride));
443 __ Mov(result_ptr, Operand::From(results[i]->outputs));
444 __ Bind(&loop);
445
446 {
447 UseScratchRegisterScope temp_registers(&masm);
448 Register nzcv_bits = temp_registers.Acquire();
449 Register saved_q_bit = temp_registers.Acquire();
450 // Save the `Q` bit flag.
451 __ Mrs(saved_q_bit, APSR);
452 __ And(saved_q_bit, saved_q_bit, QFlag);
453 // Set the `NZCV` and `Q` flags together.
454 __ Ldr(nzcv_bits, MemOperand(input_ptr, offsetof(Inputs, apsr)));
455 __ Orr(nzcv_bits, nzcv_bits, saved_q_bit);
456 __ Msr(APSR_nzcvq, nzcv_bits);
457 }
458 {
459 UseScratchRegisterScope temp_registers(&masm);
460 Register q_bit = temp_registers.Acquire();
461 Register saved_nzcv_bits = temp_registers.Acquire();
462 // Save the `NZCV` flags.
463 __ Mrs(saved_nzcv_bits, APSR);
464 __ And(saved_nzcv_bits, saved_nzcv_bits, NZCVFlag);
465 // Set the `NZCV` and `Q` flags together.
466 __ Ldr(q_bit, MemOperand(input_ptr, offsetof(Inputs, qbit)));
467 __ Orr(q_bit, q_bit, saved_nzcv_bits);
468 __ Msr(APSR_nzcvq, q_bit);
469 }
470 {
471 UseScratchRegisterScope temp_registers(&masm);
472 Register ge_bits = temp_registers.Acquire();
473 __ Ldr(ge_bits, MemOperand(input_ptr, offsetof(Inputs, ge)));
474 __ Msr(APSR_g, ge_bits);
475 }
476 __ Ldr(rd, MemOperand(input_ptr, offsetof(Inputs, rd)));
477 __ Ldr(rn, MemOperand(input_ptr, offsetof(Inputs, rn)));
478 __ Ldr(rm, MemOperand(input_ptr, offsetof(Inputs, rm)));
479
480 (masm.*instruction)(cond, rd, rn, rm);
481
482 {
483 UseScratchRegisterScope temp_registers(&masm);
484 Register nzcv_bits = temp_registers.Acquire();
485 __ Mrs(nzcv_bits, APSR);
486 // Only record the NZCV bits.
487 __ And(nzcv_bits, nzcv_bits, NZCVFlag);
488 __ Str(nzcv_bits, MemOperand(result_ptr, offsetof(Inputs, apsr)));
489 }
490 {
491 UseScratchRegisterScope temp_registers(&masm);
492 Register q_bit = temp_registers.Acquire();
493 __ Mrs(q_bit, APSR);
494 // Only record the Q bit.
495 __ And(q_bit, q_bit, QFlag);
496 __ Str(q_bit, MemOperand(result_ptr, offsetof(Inputs, qbit)));
497 }
498 {
499 UseScratchRegisterScope temp_registers(&masm);
500 Register ge_bits = temp_registers.Acquire();
501 __ Mrs(ge_bits, APSR);
502 // Only record the GE bits.
503 __ And(ge_bits, ge_bits, GEFlags);
504 __ Str(ge_bits, MemOperand(result_ptr, offsetof(Inputs, ge)));
505 }
506 __ Str(rd, MemOperand(result_ptr, offsetof(Inputs, rd)));
507 __ Str(rn, MemOperand(result_ptr, offsetof(Inputs, rn)));
508 __ Str(rm, MemOperand(result_ptr, offsetof(Inputs, rm)));
509
510 // Advance the result pointer.
511 __ Add(result_ptr, result_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
512 // Loop back until `input_ptr` is lower than `input_base`.
513 __ Add(input_ptr, input_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
514 __ Cmp(input_ptr, input_end);
515 __ B(ne, &loop);
516 }
517
518 END();
519
520 RUN();
521
522 if (Test::generate_test_trace()) {
523 // Print the results.
524 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
525 printf("const Inputs kOutputs_%s_%s[] = {\n",
526 mnemonic,
527 kTests[i].identifier);
528 for (size_t j = 0; j < results[i]->output_size; j++) {
529 printf(" { ");
530 printf("0x%08" PRIx32, results[i]->outputs[j].apsr);
531 printf(", ");
532 printf("0x%08" PRIx32, results[i]->outputs[j].qbit);
533 printf(", ");
534 printf("0x%08" PRIx32, results[i]->outputs[j].ge);
535 printf(", ");
536 printf("0x%08" PRIx32, results[i]->outputs[j].rd);
537 printf(", ");
538 printf("0x%08" PRIx32, results[i]->outputs[j].rn);
539 printf(", ");
540 printf("0x%08" PRIx32, results[i]->outputs[j].rm);
541 printf(" },\n");
542 }
543 printf("};\n");
544 }
545 printf("const TestResult kReference%s[] = {\n", mnemonic);
546 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
547 printf(" {\n");
548 printf(" ARRAY_SIZE(kOutputs_%s_%s),\n",
549 mnemonic,
550 kTests[i].identifier);
551 printf(" kOutputs_%s_%s,\n", mnemonic, kTests[i].identifier);
552 printf(" },\n");
553 }
554 printf("};\n");
555 } else if (kCheckSimulatorTestResults) {
556 // Check the results.
557 unsigned total_error_count = 0;
558 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
559 bool instruction_has_errors = false;
560 for (size_t j = 0; j < kTests[i].input_size; j++) {
561 uint32_t apsr = results[i]->outputs[j].apsr;
562 uint32_t qbit = results[i]->outputs[j].qbit;
563 uint32_t ge = results[i]->outputs[j].ge;
564 uint32_t rd = results[i]->outputs[j].rd;
565 uint32_t rn = results[i]->outputs[j].rn;
566 uint32_t rm = results[i]->outputs[j].rm;
567 uint32_t apsr_input = kTests[i].inputs[j].apsr;
568 uint32_t qbit_input = kTests[i].inputs[j].qbit;
569 uint32_t ge_input = kTests[i].inputs[j].ge;
570 uint32_t rd_input = kTests[i].inputs[j].rd;
571 uint32_t rn_input = kTests[i].inputs[j].rn;
572 uint32_t rm_input = kTests[i].inputs[j].rm;
573 uint32_t apsr_ref = reference[i].outputs[j].apsr;
574 uint32_t qbit_ref = reference[i].outputs[j].qbit;
575 uint32_t ge_ref = reference[i].outputs[j].ge;
576 uint32_t rd_ref = reference[i].outputs[j].rd;
577 uint32_t rn_ref = reference[i].outputs[j].rn;
578 uint32_t rm_ref = reference[i].outputs[j].rm;
579
580 if (((apsr != apsr_ref) || (qbit != qbit_ref) || (ge != ge_ref) ||
581 (rd != rd_ref) || (rn != rn_ref) || (rm != rm_ref)) &&
582 (++total_error_count <= kErrorReportLimit)) {
583 // Print the instruction once even if it triggered multiple failures.
584 if (!instruction_has_errors) {
585 printf("Error(s) when testing \"%s %s\":\n",
586 mnemonic,
587 kTests[i].operands_description);
588 instruction_has_errors = true;
589 }
590 // Print subsequent errors.
591 printf(" Input: ");
592 printf("0x%08" PRIx32, apsr_input);
593 printf(", ");
594 printf("0x%08" PRIx32, qbit_input);
595 printf(", ");
596 printf("0x%08" PRIx32, ge_input);
597 printf(", ");
598 printf("0x%08" PRIx32, rd_input);
599 printf(", ");
600 printf("0x%08" PRIx32, rn_input);
601 printf(", ");
602 printf("0x%08" PRIx32, rm_input);
603 printf("\n");
604 printf(" Expected: ");
605 printf("0x%08" PRIx32, apsr_ref);
606 printf(", ");
607 printf("0x%08" PRIx32, qbit_ref);
608 printf(", ");
609 printf("0x%08" PRIx32, ge_ref);
610 printf(", ");
611 printf("0x%08" PRIx32, rd_ref);
612 printf(", ");
613 printf("0x%08" PRIx32, rn_ref);
614 printf(", ");
615 printf("0x%08" PRIx32, rm_ref);
616 printf("\n");
617 printf(" Found: ");
618 printf("0x%08" PRIx32, apsr);
619 printf(", ");
620 printf("0x%08" PRIx32, qbit);
621 printf(", ");
622 printf("0x%08" PRIx32, ge);
623 printf(", ");
624 printf("0x%08" PRIx32, rd);
625 printf(", ");
626 printf("0x%08" PRIx32, rn);
627 printf(", ");
628 printf("0x%08" PRIx32, rm);
629 printf("\n\n");
630 }
631 }
632 }
633
634 if (total_error_count > kErrorReportLimit) {
635 printf("%u other errors follow.\n",
636 total_error_count - kErrorReportLimit);
637 }
638 VIXL_CHECK(total_error_count == 0);
639 } else {
640 VIXL_WARNING("Assembled the code, but did not run anything.\n");
641 }
642
643 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
644 delete[] results[i]->outputs;
645 delete results[i];
646 delete[] scratch_memory_buffers[i];
647 }
648
649 TEARDOWN();
650 }
651
652 // Instantiate tests for each instruction in the list.
653 // TODO: Remove this limitation by having a sandboxing mechanism.
654 #if defined(VIXL_HOST_POINTER_32)
655 #define TEST(mnemonic) \
656 void Test_##mnemonic() { \
657 TestHelper(&MacroAssembler::mnemonic, #mnemonic, kReference##mnemonic); \
658 } \
659 Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_T32_SEL_" #mnemonic, \
660 &Test_##mnemonic);
661 #else
662 #define TEST(mnemonic) \
663 void Test_##mnemonic() { \
664 VIXL_WARNING("This test can only run on a 32-bit host.\n"); \
665 USE(TestHelper); \
666 } \
667 Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_T32_SEL_" #mnemonic, \
668 &Test_##mnemonic);
669 #endif
670
671 FOREACH_INSTRUCTION(TEST)
672 #undef TEST
673
674 } // namespace
675 #endif
676
677 } // namespace aarch32
678 } // namespace vixl
679