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(Crc32b) \
117 M(Crc32cb) \
118 M(Crc32ch) \
119 M(Crc32cw) \
120 M(Crc32h) \
121 M(Crc32w)
122
123
124 // The following definitions are defined again in each generated test, therefore
125 // we need to place them in an anomymous namespace. It expresses that they are
126 // local to this file only, and the compiler is not allowed to share these types
127 // across test files during template instantiation. Specifically, `Operands` and
128 // `Inputs` have various layouts across generated tests so they absolutely
129 // cannot be shared.
130
131 #ifdef VIXL_INCLUDE_TARGET_T32
132 namespace {
133
134 // Values to be passed to the assembler to produce the instruction under test.
135 struct Operands {
136 Register rd;
137 Register rn;
138 Register rm;
139 };
140
141 // Input data to feed to the instruction.
142 struct Inputs {
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 kRnIsRm[] = {
164 {0xffffffe0, 0x00007fff, 0x00007fff}, {0xaaaaaaaa, 0x00007fff, 0x00007fff},
165 {0xffffff82, 0x7ffffffe, 0x7ffffffe}, {0x7ffffffd, 0x33333333, 0x33333333},
166 {0x00007ffd, 0x00000002, 0x00000002}, {0xffffff80, 0xfffffffd, 0xfffffffd},
167 {0xffffff82, 0x33333333, 0x33333333}, {0xcccccccc, 0xffff8002, 0xffff8002},
168 {0x55555555, 0xffffffe0, 0xffffffe0}, {0x00007fff, 0xffffffff, 0xffffffff},
169 {0x55555555, 0x33333333, 0x33333333}, {0x7ffffffd, 0xffff8002, 0xffff8002},
170 {0x00000020, 0xffffff83, 0xffffff83}, {0x0000007e, 0x00007fff, 0x00007fff},
171 {0xfffffffe, 0xffffff82, 0xffffff82}, {0xffffff82, 0x00007fff, 0x00007fff},
172 {0xffffff82, 0xfffffffd, 0xfffffffd}, {0x80000000, 0x7fffffff, 0x7fffffff},
173 {0x55555555, 0x00000002, 0x00000002}, {0xfffffffe, 0xffffff80, 0xffffff80},
174 {0xfffffffe, 0x00000002, 0x00000002}, {0xfffffffe, 0x00000020, 0x00000020},
175 {0xfffffffe, 0x00007ffd, 0x00007ffd}, {0x0000007f, 0x33333333, 0x33333333},
176 {0xfffffffd, 0xfffffffe, 0xfffffffe}, {0x80000001, 0x7ffffffd, 0x7ffffffd},
177 {0x7ffffffe, 0xffffff83, 0xffffff83}, {0xffffffe0, 0x00000002, 0x00000002},
178 {0x00007ffe, 0xffffff83, 0xffffff83}, {0xffffff82, 0xffffff80, 0xffffff80},
179 {0x0000007e, 0x33333333, 0x33333333}, {0xffff8001, 0xfffffffe, 0xfffffffe},
180 {0xfffffffe, 0xffffff81, 0xffffff81}, {0x00000001, 0xffffff83, 0xffffff83},
181 {0xfffffffe, 0xaaaaaaaa, 0xaaaaaaaa}, {0xcccccccc, 0xffffff80, 0xffffff80},
182 {0xffffff83, 0x0000007f, 0x0000007f}, {0x00007ffd, 0x00000020, 0x00000020},
183 {0x0000007d, 0xfffffffd, 0xfffffffd}, {0x7ffffffe, 0xaaaaaaaa, 0xaaaaaaaa},
184 {0xffffff83, 0x00000001, 0x00000001}, {0x0000007d, 0xffff8000, 0xffff8000},
185 {0xffffffe0, 0x00000020, 0x00000020}, {0xffff8003, 0xffffff80, 0xffffff80},
186 {0x00000000, 0xaaaaaaaa, 0xaaaaaaaa}, {0x00007fff, 0x00000020, 0x00000020},
187 {0x80000000, 0x0000007d, 0x0000007d}, {0xffffff81, 0x0000007e, 0x0000007e},
188 {0xcccccccc, 0x00000020, 0x00000020}, {0xffffff81, 0x33333333, 0x33333333},
189 {0xffff8002, 0xffffffe0, 0xffffffe0}, {0xffffffe0, 0x00007ffe, 0x00007ffe},
190 {0xffff8002, 0xaaaaaaaa, 0xaaaaaaaa}, {0xffff8001, 0x00007ffe, 0x00007ffe},
191 {0x80000000, 0xcccccccc, 0xcccccccc}, {0x7ffffffd, 0x00000002, 0x00000002},
192 {0xcccccccc, 0x0000007f, 0x0000007f}, {0x7ffffffe, 0xffffff82, 0xffffff82},
193 {0x00000001, 0x0000007e, 0x0000007e}, {0x00007ffd, 0x00007ffe, 0x00007ffe},
194 {0x7ffffffd, 0xfffffffe, 0xfffffffe}, {0x00000001, 0x80000001, 0x80000001},
195 {0x00007ffe, 0x7fffffff, 0x7fffffff}, {0xffff8001, 0xffff8002, 0xffff8002},
196 {0x00000001, 0xffff8003, 0xffff8003}, {0x00000002, 0xfffffffe, 0xfffffffe},
197 {0x00000002, 0x00007ffd, 0x00007ffd}, {0x7ffffffe, 0xfffffffd, 0xfffffffd},
198 {0xffff8001, 0x7ffffffd, 0x7ffffffd}, {0x7ffffffd, 0x55555555, 0x55555555},
199 {0x80000000, 0xffffff80, 0xffffff80}, {0xffff8002, 0xffff8003, 0xffff8003},
200 {0xffffffff, 0x00000020, 0x00000020}, {0xfffffffe, 0x00000001, 0x00000001},
201 {0x00007fff, 0x00007fff, 0x00007fff}, {0x00000000, 0xffffff83, 0xffffff83},
202 {0x33333333, 0xaaaaaaaa, 0xaaaaaaaa}, {0x0000007d, 0x7ffffffe, 0x7ffffffe},
203 {0xffff8003, 0xffff8001, 0xffff8001}, {0xfffffffd, 0xcccccccc, 0xcccccccc},
204 {0x80000000, 0x80000001, 0x80000001}, {0xffff8002, 0x00000002, 0x00000002},
205 {0xfffffffd, 0xffffffe0, 0xffffffe0}, {0xffffffe0, 0xffffff82, 0xffffff82},
206 {0x33333333, 0x00007ffe, 0x00007ffe}, {0xffff8002, 0xffffff80, 0xffffff80},
207 {0xffffff81, 0x80000000, 0x80000000}, {0x00000000, 0x80000000, 0x80000000},
208 {0x00000000, 0xcccccccc, 0xcccccccc}, {0x00000020, 0xffffffe0, 0xffffffe0},
209 {0x00007ffe, 0xffffffe0, 0xffffffe0}, {0xffffff81, 0xfffffffe, 0xfffffffe},
210 {0x00000002, 0x00007ffe, 0x00007ffe}, {0xffff8000, 0x7fffffff, 0x7fffffff},
211 {0x00000002, 0x55555555, 0x55555555}, {0xffff8000, 0x55555555, 0x55555555},
212 {0xffff8001, 0x00000020, 0x00000020}, {0xffffffff, 0x55555555, 0x55555555},
213 {0x33333333, 0x00000020, 0x00000020}, {0xfffffffd, 0x7fffffff, 0x7fffffff},
214 {0x7ffffffd, 0x7fffffff, 0x7fffffff}, {0xaaaaaaaa, 0xffffff81, 0xffffff81},
215 {0x00007ffd, 0x80000001, 0x80000001}, {0x7ffffffe, 0xffffffff, 0xffffffff},
216 {0x00007ffe, 0x7ffffffe, 0x7ffffffe}, {0xffff8001, 0x55555555, 0x55555555},
217 {0xffffff80, 0xfffffffe, 0xfffffffe}, {0x0000007e, 0x7ffffffd, 0x7ffffffd},
218 {0x00000000, 0x00007ffd, 0x00007ffd}, {0x00000020, 0x80000001, 0x80000001},
219 {0xffffff83, 0xffffffe0, 0xffffffe0}, {0x55555555, 0xffff8000, 0xffff8000},
220 {0x33333333, 0xffff8002, 0xffff8002}, {0x7ffffffd, 0x0000007f, 0x0000007f},
221 {0x00000002, 0xffffff82, 0xffffff82}, {0xfffffffe, 0xcccccccc, 0xcccccccc},
222 {0x33333333, 0xffffff82, 0xffffff82}, {0x7ffffffd, 0x00007ffd, 0x00007ffd},
223 {0x00000002, 0xffffff80, 0xffffff80}, {0xffff8001, 0x00000000, 0x00000000},
224 {0x7ffffffe, 0x0000007d, 0x0000007d}, {0x00000001, 0x00000020, 0x00000020},
225 {0xaaaaaaaa, 0xffffff82, 0xffffff82}, {0x00000001, 0xfffffffd, 0xfffffffd},
226 {0x80000001, 0xfffffffe, 0xfffffffe}, {0xffffff80, 0x80000000, 0x80000000},
227 {0x80000000, 0xffffffff, 0xffffffff}, {0x00000001, 0x00000001, 0x00000001},
228 {0x80000001, 0xffff8003, 0xffff8003}, {0xffffffff, 0xffffff83, 0xffffff83},
229 {0x00007ffe, 0x00007ffe, 0x00007ffe}, {0x7ffffffd, 0xcccccccc, 0xcccccccc},
230 {0xffff8003, 0xcccccccc, 0xcccccccc}, {0xcccccccc, 0x00007fff, 0x00007fff},
231 {0x00000002, 0x7ffffffd, 0x7ffffffd}, {0x00000002, 0xffff8002, 0xffff8002},
232 {0xffffff80, 0x33333333, 0x33333333}, {0x55555555, 0xffffff82, 0xffffff82},
233 {0x7fffffff, 0x00007fff, 0x00007fff}, {0x33333333, 0x00000001, 0x00000001},
234 {0x33333333, 0xffffffe0, 0xffffffe0}, {0xffffff83, 0x0000007e, 0x0000007e},
235 {0x00000002, 0xffff8001, 0xffff8001}, {0xcccccccc, 0xffffffe0, 0xffffffe0},
236 {0xffff8000, 0x7ffffffe, 0x7ffffffe}, {0x00007ffe, 0xffffff81, 0xffffff81},
237 {0x7ffffffd, 0xffffffe0, 0xffffffe0}, {0x00007fff, 0xffffff81, 0xffffff81},
238 {0xffffffff, 0x00007ffd, 0x00007ffd}, {0x00007fff, 0x80000001, 0x80000001},
239 {0xffffffff, 0xcccccccc, 0xcccccccc}, {0x00007ffd, 0x0000007d, 0x0000007d},
240 {0x0000007e, 0x00000000, 0x00000000}, {0x0000007f, 0x7ffffffe, 0x7ffffffe},
241 {0x00000020, 0xffffff82, 0xffffff82}, {0xcccccccc, 0x80000001, 0x80000001},
242 {0xffff8002, 0x00007ffd, 0x00007ffd}, {0xffff8000, 0x00000001, 0x00000001},
243 {0xffffff83, 0xffffff83, 0xffffff83}, {0x00000002, 0xffffffe0, 0xffffffe0},
244 {0xfffffffe, 0xffff8000, 0xffff8000}, {0x7ffffffe, 0xffffff80, 0xffffff80},
245 {0x0000007f, 0xffffff81, 0xffffff81}, {0xffffffff, 0x0000007f, 0x0000007f},
246 {0x7ffffffe, 0x0000007e, 0x0000007e}, {0x80000000, 0xfffffffd, 0xfffffffd},
247 {0x33333333, 0x0000007d, 0x0000007d}, {0x80000001, 0xcccccccc, 0xcccccccc},
248 {0xaaaaaaaa, 0x7ffffffd, 0x7ffffffd}, {0x7fffffff, 0x0000007f, 0x0000007f},
249 {0x0000007e, 0xffff8001, 0xffff8001}, {0x0000007d, 0xaaaaaaaa, 0xaaaaaaaa},
250 {0xffffff82, 0x55555555, 0x55555555}, {0x55555555, 0xffffff81, 0xffffff81},
251 {0xcccccccc, 0xffffff82, 0xffffff82}, {0x0000007d, 0x0000007d, 0x0000007d},
252 {0xfffffffd, 0xfffffffd, 0xfffffffd}, {0xffffff82, 0xffff8002, 0xffff8002},
253 {0xffffffe0, 0x00000001, 0x00000001}, {0x0000007d, 0x00007ffe, 0x00007ffe},
254 {0xfffffffe, 0xffff8003, 0xffff8003}, {0x00000001, 0xffff8001, 0xffff8001},
255 {0xffff8003, 0x00007ffe, 0x00007ffe}, {0x7ffffffd, 0x00000020, 0x00000020},
256 {0xfffffffd, 0x00007ffe, 0x00007ffe}, {0x7fffffff, 0xfffffffd, 0xfffffffd},
257 {0x7fffffff, 0xffff8001, 0xffff8001}, {0xffff8003, 0xffffffff, 0xffffffff},
258 {0x0000007d, 0x33333333, 0x33333333}, {0xffffffff, 0x00000000, 0x00000000},
259 {0xffffffe0, 0xffffff81, 0xffffff81}, {0xffffffe0, 0xffffffff, 0xffffffff},
260 {0x00007ffd, 0x00007ffd, 0x00007ffd}, {0x00000002, 0x33333333, 0x33333333},
261 {0x0000007f, 0x00000002, 0x00000002}, {0xffff8000, 0x0000007e, 0x0000007e},
262 {0x80000000, 0x00007fff, 0x00007fff}, {0xffff8000, 0xfffffffd, 0xfffffffd},
263 {0xffff8002, 0xcccccccc, 0xcccccccc}, {0xffff8003, 0xffffff82, 0xffffff82}};
264
265 static const Inputs kRnIsNotRm[] = {
266 {0x00007ffe, 0x00007ffe, 0x80000000}, {0x80000001, 0xcccccccc, 0x00000001},
267 {0x0000007d, 0x00000020, 0xcccccccc}, {0x7ffffffd, 0x55555555, 0x0000007f},
268 {0x00000020, 0xffff8001, 0x80000001}, {0xffffffe0, 0xffffff81, 0xffffff83},
269 {0x00000002, 0xffffff80, 0xaaaaaaaa}, {0x00000002, 0x00000001, 0x0000007d},
270 {0xffffff83, 0x00007ffd, 0x00000002}, {0xffff8000, 0x00000020, 0x55555555},
271 {0x00007ffd, 0x0000007f, 0x7ffffffd}, {0xfffffffd, 0x80000000, 0x00000000},
272 {0x0000007f, 0x33333333, 0x7fffffff}, {0x00000000, 0x33333333, 0x55555555},
273 {0xffffff81, 0x00007fff, 0xaaaaaaaa}, {0x33333333, 0x00000000, 0x7ffffffe},
274 {0xfffffffe, 0x00000001, 0xffffffff}, {0xaaaaaaaa, 0xffffffe0, 0xffffff80},
275 {0x33333333, 0xffffffe0, 0x7fffffff}, {0x55555555, 0x7ffffffd, 0xffffff81},
276 {0xaaaaaaaa, 0xffffffe0, 0x0000007f}, {0x00007fff, 0xfffffffd, 0xcccccccc},
277 {0x7fffffff, 0xffff8002, 0x00000001}, {0x0000007d, 0x00000002, 0x7fffffff},
278 {0x00000002, 0x55555555, 0x00007ffe}, {0x00007ffd, 0x0000007d, 0xfffffffe},
279 {0x7ffffffd, 0x55555555, 0xffffff83}, {0x7ffffffe, 0x80000001, 0x00000001},
280 {0xfffffffd, 0x80000001, 0x80000000}, {0xffff8002, 0x00000000, 0x80000001},
281 {0x0000007d, 0x00000020, 0x0000007e}, {0x00000020, 0x0000007f, 0x80000001},
282 {0x7ffffffe, 0x80000001, 0xffff8002}, {0xffffff81, 0xffffff80, 0xffffff81},
283 {0x7ffffffe, 0xffffff80, 0x0000007d}, {0x00007ffd, 0x00000000, 0x55555555},
284 {0xcccccccc, 0xcccccccc, 0x7ffffffe}, {0xffff8002, 0x00000001, 0xffff8000},
285 {0x00007ffe, 0x0000007d, 0xffffffe0}, {0x00007ffd, 0x7ffffffe, 0xffffffe0},
286 {0x80000001, 0x7ffffffe, 0xffff8001}, {0x55555555, 0xffffff80, 0xffff8003},
287 {0xfffffffd, 0xffff8002, 0x55555555}, {0x33333333, 0xffff8000, 0xffff8003},
288 {0x7ffffffd, 0xffff8002, 0x0000007e}, {0x7fffffff, 0xffffff80, 0xfffffffd},
289 {0xffff8002, 0x00000001, 0xaaaaaaaa}, {0xffffff83, 0xffff8001, 0x33333333},
290 {0x00000000, 0xfffffffe, 0x0000007e}, {0x80000000, 0xffffffe0, 0x0000007d},
291 {0xffff8000, 0x33333333, 0x00000002}, {0xfffffffe, 0x00000002, 0xffffffe0},
292 {0x00007ffd, 0x0000007e, 0x7ffffffe}, {0xffffff81, 0xffffffff, 0x00000000},
293 {0x0000007e, 0x7ffffffe, 0x33333333}, {0x00000002, 0x80000001, 0xffffff80},
294 {0x7ffffffd, 0xffffff82, 0x7ffffffe}, {0xffffff81, 0x0000007e, 0xffffff81},
295 {0xffff8002, 0x00007fff, 0x0000007f}, {0xcccccccc, 0xcccccccc, 0x0000007d},
296 {0x7ffffffd, 0xffffff80, 0x00007ffe}, {0x55555555, 0x55555555, 0xfffffffe},
297 {0x00000001, 0x00000020, 0x00000001}, {0x0000007f, 0x7ffffffd, 0x80000001},
298 {0x55555555, 0xaaaaaaaa, 0xfffffffd}, {0x00000020, 0x00007fff, 0xffffff81},
299 {0xffffff80, 0x33333333, 0xffffff81}, {0x00000000, 0xffff8001, 0xffffff83},
300 {0x0000007e, 0x33333333, 0x7ffffffd}, {0xaaaaaaaa, 0x55555555, 0xffffffff},
301 {0xfffffffd, 0xffff8000, 0x00000000}, {0xffff8000, 0xfffffffe, 0x7fffffff},
302 {0xffff8001, 0xcccccccc, 0x33333333}, {0x00007ffd, 0xffff8001, 0x0000007f},
303 {0xffffff83, 0x7ffffffd, 0x7fffffff}, {0xffffff81, 0xffffffe0, 0x00007fff},
304 {0xffffffff, 0x00000002, 0xffffff82}, {0xffff8001, 0xffffff81, 0x55555555},
305 {0x00007fff, 0xffffff83, 0x00007ffe}, {0x00007fff, 0xcccccccc, 0x00000020},
306 {0x7fffffff, 0x7ffffffd, 0xffff8000}, {0x0000007f, 0x80000000, 0x7ffffffd},
307 {0x0000007e, 0x0000007e, 0x0000007d}, {0xfffffffe, 0x00000020, 0xffffff80},
308 {0x00007ffd, 0x00007ffe, 0xffffff82}, {0x00000020, 0x80000000, 0x0000007e},
309 {0x00000020, 0x00000002, 0xffffffff}, {0x00007fff, 0xffff8000, 0x00007fff},
310 {0xcccccccc, 0x7ffffffd, 0x80000000}, {0xffffff80, 0x00000002, 0xffffff81},
311 {0xfffffffe, 0xffffff83, 0x33333333}, {0xffff8000, 0x7ffffffe, 0x55555555},
312 {0x00007fff, 0x0000007e, 0xffffff81}, {0xaaaaaaaa, 0xcccccccc, 0xffffffe0},
313 {0x7ffffffd, 0xffffffff, 0xffff8003}, {0xffffff81, 0xffff8002, 0xffffff82},
314 {0x00000002, 0xffffffe0, 0x80000001}, {0x7ffffffe, 0x33333333, 0xaaaaaaaa},
315 {0x00007fff, 0x00000020, 0xfffffffe}, {0xcccccccc, 0xfffffffe, 0x00000000},
316 {0x7ffffffe, 0x80000001, 0xfffffffd}, {0xffffffe0, 0x00000000, 0xaaaaaaaa},
317 {0x80000000, 0xffffff83, 0xffff8000}, {0xffffff81, 0xfffffffe, 0xffffff83},
318 {0x80000000, 0x0000007e, 0xffff8002}, {0x80000001, 0x00000020, 0x00007ffe},
319 {0x00000000, 0x00000020, 0x0000007e}, {0x80000001, 0xffffffff, 0x7ffffffe},
320 {0xffffff83, 0x33333333, 0x00000001}, {0x00000020, 0xffffff80, 0xffffff81},
321 {0xcccccccc, 0xffff8000, 0x00007ffd}, {0xffff8003, 0x00000000, 0x0000007f},
322 {0xffff8003, 0x00000001, 0x0000007d}, {0x0000007e, 0x00000020, 0x55555555},
323 {0xffffffff, 0xfffffffe, 0xffffff83}, {0xffffff80, 0x80000000, 0xfffffffe},
324 {0x0000007e, 0x0000007e, 0x00000000}, {0xaaaaaaaa, 0x00000002, 0xffffffe0},
325 {0xffff8001, 0x00007ffe, 0x00000020}, {0x7ffffffe, 0xffff8000, 0x00007ffe},
326 {0xffffff80, 0x33333333, 0x00007fff}, {0x33333333, 0xffffff81, 0x00000001},
327 {0x00000000, 0x33333333, 0x00000020}, {0x00007fff, 0x00000020, 0x0000007e},
328 {0xcccccccc, 0x55555555, 0xffffffe0}, {0xffffff80, 0x0000007e, 0x33333333},
329 {0x0000007e, 0xffff8002, 0x00000000}, {0xffffff83, 0xffffffe0, 0xfffffffd},
330 {0x00000001, 0x0000007f, 0xffff8001}, {0xffffffff, 0x00000020, 0xcccccccc},
331 {0x7ffffffd, 0xfffffffd, 0xffff8000}, {0xffffffff, 0x80000000, 0x00007fff},
332 {0x00000020, 0xffffffe0, 0xfffffffd}, {0x55555555, 0xffff8002, 0x0000007f},
333 {0xffff8002, 0x55555555, 0x0000007f}, {0xffff8003, 0xffff8000, 0x0000007d},
334 {0x00007fff, 0x00007ffe, 0x00000000}, {0xcccccccc, 0xffffff81, 0x00007fff},
335 {0x7ffffffd, 0xcccccccc, 0xffff8000}, {0x7ffffffe, 0xffff8001, 0x80000000},
336 {0x0000007f, 0xffffffe0, 0x80000001}, {0xffff8000, 0x00007ffd, 0xffff8003},
337 {0xffff8001, 0xffffff80, 0x00000001}, {0x33333333, 0x00000000, 0x80000000},
338 {0xfffffffe, 0x7ffffffd, 0x80000001}, {0x00000000, 0xffffffe0, 0x80000001},
339 {0xffff8002, 0x7ffffffe, 0x33333333}, {0xffffffe0, 0x0000007e, 0x00000001},
340 {0xffffff80, 0xffffffe0, 0x00007ffe}, {0xffff8000, 0x0000007f, 0x80000001},
341 {0xffffff80, 0xffffff80, 0xffff8002}, {0x7fffffff, 0x0000007f, 0xfffffffd},
342 {0x00000001, 0xffffffe0, 0xffffffff}, {0x55555555, 0x0000007f, 0xffff8002},
343 {0xffff8001, 0xfffffffd, 0x00000020}, {0x00007ffd, 0xfffffffd, 0x0000007e},
344 {0xfffffffd, 0xffff8003, 0x55555555}, {0xfffffffe, 0xffffff80, 0x0000007f},
345 {0x0000007f, 0x0000007f, 0xfffffffe}, {0x33333333, 0x55555555, 0xffff8003},
346 {0x0000007d, 0x00000020, 0x55555555}, {0xffff8003, 0x33333333, 0xffffff83},
347 {0xffffffe0, 0x00007fff, 0xffffff80}, {0x00000020, 0x00000001, 0x0000007d},
348 {0xffffff83, 0x00007fff, 0xaaaaaaaa}, {0xfffffffd, 0xffffff83, 0x55555555},
349 {0xffff8002, 0x00007fff, 0xffffffe0}, {0x80000001, 0xffffff82, 0x00007ffd},
350 {0xffff8000, 0x00000002, 0xffffffe0}, {0xfffffffd, 0xffffff80, 0x7ffffffe},
351 {0xffffffff, 0xaaaaaaaa, 0xffff8000}, {0x7ffffffd, 0x00000002, 0xffff8002},
352 {0xffff8001, 0x00007ffe, 0xffffffff}, {0xffff8001, 0x00000001, 0x00000000},
353 {0x80000001, 0xffffff80, 0x7ffffffd}, {0xffffff80, 0x0000007d, 0xffffff81},
354 {0xffffff81, 0xcccccccc, 0xffffff81}, {0xaaaaaaaa, 0x00000000, 0xffffff81},
355 {0x00000002, 0x00000020, 0xffffff81}, {0x7ffffffd, 0x7ffffffe, 0xffffff83},
356 {0x7fffffff, 0x55555555, 0x0000007f}, {0xfffffffd, 0xffffff82, 0xfffffffd},
357 {0x00000020, 0x00007ffd, 0xffffff81}, {0x0000007e, 0xffffff83, 0x33333333},
358 {0xffffff83, 0x00007fff, 0x00000002}, {0xffffffe0, 0xffffff80, 0xffff8001},
359 {0x00000000, 0x00000000, 0x00000002}, {0xfffffffd, 0x7ffffffe, 0x00000001},
360 {0xfffffffd, 0xfffffffd, 0xffffff80}, {0xffffff83, 0x00000000, 0x00007ffe},
361 {0xffff8002, 0xcccccccc, 0x33333333}, {0xffffff80, 0xffffff81, 0x0000007d},
362 {0x0000007e, 0xffff8000, 0x00007ffe}, {0x0000007e, 0x80000000, 0x80000001},
363 {0xffffff83, 0x00007fff, 0xffffffe0}, {0xcccccccc, 0x00007fff, 0xffffff80},
364 {0x0000007f, 0x0000007e, 0xfffffffd}, {0xcccccccc, 0xffffffff, 0x00000001},
365 {0xffffffff, 0xffff8000, 0xffffff82}, {0xfffffffe, 0x00000002, 0xffffffff}};
366
367
368 // A loop will be generated for each element of this array.
369 const TestLoopData kTests[] = {
370 {{r9, r8, r8}, "r9 r8 r8", "RnIsRm_r9_r8_r8", ARRAY_SIZE(kRnIsRm), kRnIsRm},
371 {{r6, r11, r11},
372 "r6 r11 r11",
373 "RnIsRm_r6_r11_r11",
374 ARRAY_SIZE(kRnIsRm),
375 kRnIsRm},
376 {{r3, r12, r12},
377 "r3 r12 r12",
378 "RnIsRm_r3_r12_r12",
379 ARRAY_SIZE(kRnIsRm),
380 kRnIsRm},
381 {{r14, r3, r3},
382 "r14 r3 r3",
383 "RnIsRm_r14_r3_r3",
384 ARRAY_SIZE(kRnIsRm),
385 kRnIsRm},
386 {{r10, r4, r4},
387 "r10 r4 r4",
388 "RnIsRm_r10_r4_r4",
389 ARRAY_SIZE(kRnIsRm),
390 kRnIsRm},
391 {{r6, r8, r8}, "r6 r8 r8", "RnIsRm_r6_r8_r8", ARRAY_SIZE(kRnIsRm), kRnIsRm},
392 {{r5, r7, r7}, "r5 r7 r7", "RnIsRm_r5_r7_r7", ARRAY_SIZE(kRnIsRm), kRnIsRm},
393 {{r6, r3, r3}, "r6 r3 r3", "RnIsRm_r6_r3_r3", ARRAY_SIZE(kRnIsRm), kRnIsRm},
394 {{r7, r0, r0}, "r7 r0 r0", "RnIsRm_r7_r0_r0", ARRAY_SIZE(kRnIsRm), kRnIsRm},
395 {{r2, r1, r1}, "r2 r1 r1", "RnIsRm_r2_r1_r1", ARRAY_SIZE(kRnIsRm), kRnIsRm},
396 {{r5, r3, r14},
397 "r5 r3 r14",
398 "RnIsNotRm_r5_r3_r14",
399 ARRAY_SIZE(kRnIsNotRm),
400 kRnIsNotRm},
401 {{r10, r8, r3},
402 "r10 r8 r3",
403 "RnIsNotRm_r10_r8_r3",
404 ARRAY_SIZE(kRnIsNotRm),
405 kRnIsNotRm},
406 {{r2, r8, r11},
407 "r2 r8 r11",
408 "RnIsNotRm_r2_r8_r11",
409 ARRAY_SIZE(kRnIsNotRm),
410 kRnIsNotRm},
411 {{r7, r12, r7},
412 "r7 r12 r7",
413 "RnIsNotRm_r7_r12_r7",
414 ARRAY_SIZE(kRnIsNotRm),
415 kRnIsNotRm},
416 {{r2, r4, r10},
417 "r2 r4 r10",
418 "RnIsNotRm_r2_r4_r10",
419 ARRAY_SIZE(kRnIsNotRm),
420 kRnIsNotRm},
421 {{r1, r10, r8},
422 "r1 r10 r8",
423 "RnIsNotRm_r1_r10_r8",
424 ARRAY_SIZE(kRnIsNotRm),
425 kRnIsNotRm},
426 {{r1, r4, r2},
427 "r1 r4 r2",
428 "RnIsNotRm_r1_r4_r2",
429 ARRAY_SIZE(kRnIsNotRm),
430 kRnIsNotRm},
431 {{r12, r2, r12},
432 "r12 r2 r12",
433 "RnIsNotRm_r12_r2_r12",
434 ARRAY_SIZE(kRnIsNotRm),
435 kRnIsNotRm},
436 {{r4, r8, r5},
437 "r4 r8 r5",
438 "RnIsNotRm_r4_r8_r5",
439 ARRAY_SIZE(kRnIsNotRm),
440 kRnIsNotRm},
441 {{r4, r0, r9},
442 "r4 r0 r9",
443 "RnIsNotRm_r4_r0_r9",
444 ARRAY_SIZE(kRnIsNotRm),
445 kRnIsNotRm}};
446
447 // We record all inputs to the instructions as outputs. This way, we also check
448 // that what shouldn't change didn't change.
449 struct TestResult {
450 size_t output_size;
451 const Inputs* outputs;
452 };
453
454 // These headers each contain an array of `TestResult` with the reference output
455 // values. The reference arrays are names `kReference{mnemonic}`.
456 #include "aarch32/traces/simulator-rd-rn-rm-crc32b-t32.h"
457 #include "aarch32/traces/simulator-rd-rn-rm-crc32cb-t32.h"
458 #include "aarch32/traces/simulator-rd-rn-rm-crc32ch-t32.h"
459 #include "aarch32/traces/simulator-rd-rn-rm-crc32cw-t32.h"
460 #include "aarch32/traces/simulator-rd-rn-rm-crc32h-t32.h"
461 #include "aarch32/traces/simulator-rd-rn-rm-crc32w-t32.h"
462
463
464 // The maximum number of errors to report in detail for each test.
465 const unsigned kErrorReportLimit = 8;
466
467 typedef void (MacroAssembler::*Fn)(Register rd, Register rn, Register rm);
468
TestHelper(Fn instruction,const char * mnemonic,const TestResult reference[])469 void TestHelper(Fn instruction,
470 const char* mnemonic,
471 const TestResult reference[]) {
472 SETUP();
473 masm.UseT32();
474 START();
475
476 // Data to compare to `reference`.
477 TestResult* results[ARRAY_SIZE(kTests)];
478
479 // Test cases for memory bound instructions may allocate a buffer and save its
480 // address in this array.
481 byte* scratch_memory_buffers[ARRAY_SIZE(kTests)];
482
483 // Generate a loop for each element in `kTests`. Each loop tests one specific
484 // instruction.
485 for (unsigned i = 0; i < ARRAY_SIZE(kTests); i++) {
486 // Allocate results on the heap for this test.
487 results[i] = new TestResult;
488 results[i]->outputs = new Inputs[kTests[i].input_size];
489 results[i]->output_size = kTests[i].input_size;
490
491 size_t input_stride = sizeof(kTests[i].inputs[0]) * kTests[i].input_size;
492 VIXL_ASSERT(IsUint32(input_stride));
493
494 scratch_memory_buffers[i] = NULL;
495
496 Label loop;
497 UseScratchRegisterScope scratch_registers(&masm);
498 // Include all registers from r0 ro r12.
499 scratch_registers.Include(RegisterList(0x1fff));
500
501 // Values to pass to the macro-assembler.
502 Register rd = kTests[i].operands.rd;
503 Register rn = kTests[i].operands.rn;
504 Register rm = kTests[i].operands.rm;
505 scratch_registers.Exclude(rd);
506 scratch_registers.Exclude(rn);
507 scratch_registers.Exclude(rm);
508
509 // Allocate reserved registers for our own use.
510 Register input_ptr = scratch_registers.Acquire();
511 Register input_end = scratch_registers.Acquire();
512 Register result_ptr = scratch_registers.Acquire();
513
514 // Initialize `input_ptr` to the first element and `input_end` the address
515 // after the array.
516 __ Mov(input_ptr, Operand::From(kTests[i].inputs));
517 __ Add(input_end, input_ptr, static_cast<uint32_t>(input_stride));
518 __ Mov(result_ptr, Operand::From(results[i]->outputs));
519 __ Bind(&loop);
520
521 __ Ldr(rd, MemOperand(input_ptr, offsetof(Inputs, rd)));
522 __ Ldr(rn, MemOperand(input_ptr, offsetof(Inputs, rn)));
523 __ Ldr(rm, MemOperand(input_ptr, offsetof(Inputs, rm)));
524
525 (masm.*instruction)(rd, rn, rm);
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].rd);
552 printf(", ");
553 printf("0x%08" PRIx32, results[i]->outputs[j].rn);
554 printf(", ");
555 printf("0x%08" PRIx32, results[i]->outputs[j].rm);
556 printf(" },\n");
557 }
558 printf("};\n");
559 }
560 printf("const TestResult kReference%s[] = {\n", mnemonic);
561 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
562 printf(" {\n");
563 printf(" ARRAY_SIZE(kOutputs_%s_%s),\n",
564 mnemonic,
565 kTests[i].identifier);
566 printf(" kOutputs_%s_%s,\n", mnemonic, kTests[i].identifier);
567 printf(" },\n");
568 }
569 printf("};\n");
570 } else if (kCheckSimulatorTestResults) {
571 // Check the results.
572 unsigned total_error_count = 0;
573 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
574 bool instruction_has_errors = false;
575 for (size_t j = 0; j < kTests[i].input_size; j++) {
576 uint32_t rd = results[i]->outputs[j].rd;
577 uint32_t rn = results[i]->outputs[j].rn;
578 uint32_t rm = results[i]->outputs[j].rm;
579 uint32_t rd_input = kTests[i].inputs[j].rd;
580 uint32_t rn_input = kTests[i].inputs[j].rn;
581 uint32_t rm_input = kTests[i].inputs[j].rm;
582 uint32_t rd_ref = reference[i].outputs[j].rd;
583 uint32_t rn_ref = reference[i].outputs[j].rn;
584 uint32_t rm_ref = reference[i].outputs[j].rm;
585
586 if (((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, rd_input);
598 printf(", ");
599 printf("0x%08" PRIx32, rn_input);
600 printf(", ");
601 printf("0x%08" PRIx32, rm_input);
602 printf("\n");
603 printf(" Expected: ");
604 printf("0x%08" PRIx32, rd_ref);
605 printf(", ");
606 printf("0x%08" PRIx32, rn_ref);
607 printf(", ");
608 printf("0x%08" PRIx32, rm_ref);
609 printf("\n");
610 printf(" Found: ");
611 printf("0x%08" PRIx32, rd);
612 printf(", ");
613 printf("0x%08" PRIx32, rn);
614 printf(", ");
615 printf("0x%08" PRIx32, rm);
616 printf("\n\n");
617 }
618 }
619 }
620
621 if (total_error_count > kErrorReportLimit) {
622 printf("%u other errors follow.\n",
623 total_error_count - kErrorReportLimit);
624 }
625 VIXL_CHECK(total_error_count == 0);
626 } else {
627 VIXL_WARNING("Assembled the code, but did not run anything.\n");
628 }
629
630 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
631 delete[] results[i]->outputs;
632 delete results[i];
633 delete[] scratch_memory_buffers[i];
634 }
635 }
636
637 // Instantiate tests for each instruction in the list.
638 // TODO: Remove this limitation by having a sandboxing mechanism.
639 #if defined(VIXL_HOST_POINTER_32)
640 #define TEST(mnemonic) \
641 void Test_##mnemonic() { \
642 TestHelper(&MacroAssembler::mnemonic, #mnemonic, kReference##mnemonic); \
643 } \
644 Test test_##mnemonic("AARCH32_SIMULATOR_RD_RN_RM_" #mnemonic "_T32", \
645 &Test_##mnemonic);
646 #else
647 #define TEST(mnemonic) \
648 void Test_##mnemonic() { \
649 VIXL_WARNING("This test can only run on a 32-bit host.\n"); \
650 USE(TestHelper); \
651 } \
652 Test test_##mnemonic("AARCH32_SIMULATOR_RD_RN_RM_" #mnemonic "_T32", \
653 &Test_##mnemonic);
654 #endif
655
656 FOREACH_INSTRUCTION(TEST)
657 #undef TEST
658
659 } // namespace
660 #endif
661
662 } // namespace aarch32
663 } // namespace vixl
664