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) M(Sel)
116
117
118 // The following definitions are defined again in each generated test, therefore
119 // we need to place them in an anomymous namespace. It expresses that they are
120 // local to this file only, and the compiler is not allowed to share these types
121 // across test files during template instantiation. Specifically, `Operands` and
122 // `Inputs` have various layouts across generated tests so they absolutely
123 // cannot be shared.
124
125 #ifdef VIXL_INCLUDE_TARGET_T32
126 namespace {
127
128 // Values to be passed to the assembler to produce the instruction under test.
129 struct Operands {
130 Condition cond;
131 Register rd;
132 Register rn;
133 Register rm;
134 };
135
136 // Input data to feed to the instruction.
137 struct Inputs {
138 uint32_t apsr;
139 uint32_t qbit;
140 uint32_t ge;
141 uint32_t rd;
142 uint32_t rn;
143 uint32_t rm;
144 };
145
146 // This structure contains all input data needed to test one specific encoding.
147 // It used to generate a loop over an instruction.
148 struct TestLoopData {
149 // The `operands` fields represents the values to pass to the assembler to
150 // produce the instruction.
151 Operands operands;
152 // Description of the operands, used for error reporting.
153 const char* operands_description;
154 // Unique identifier, used for generating traces.
155 const char* identifier;
156 // Array of values to be fed to the instruction.
157 size_t input_size;
158 const Inputs* inputs;
159 };
160
161 static const Inputs kGE[] =
162 {{NoFlag, NoFlag, GE123Flag, 0xabababab, 0xfffffffe, 0x0000007e},
163 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x7fffffff, 0xffffff82},
164 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x7ffffffe, 0xffffff81},
165 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x7fffffff, 0x0000007d},
166 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffff8003},
167 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x00007ffe, 0xffffff83},
168 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xaaaaaaaa, 0xfffffffd},
169 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x80000000, 0x80000001},
170 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffffff80, 0x7fffffff},
171 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffff8000, 0xfffffffd},
172 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0x0000007e},
173 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xffff8002, 0x00007ffe},
174 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007ffe, 0x33333333},
175 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x00000001},
176 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xfffffffe, 0x00000020},
177 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x7ffffffd, 0x00000001},
178 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffff80, 0x80000000},
179 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x7ffffffe, 0xffffff83},
180 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffe, 0x00000001},
181 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x7ffffffe, 0x0000007f},
182 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x00007fff, 0x80000001},
183 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xaaaaaaaa, 0x0000007d},
184 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffff8000, 0x0000007e},
185 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x80000000, 0xffffff80},
186 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xffffff82, 0x80000000},
187 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8003, 0x00000000},
188 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00000001, 0x7ffffffd},
189 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x00007ffd, 0x00000001},
190 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffffff83, 0xaaaaaaaa},
191 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffffff83},
192 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x80000001, 0xffffff81},
193 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xfffffffe, 0x00000000},
194 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x00007ffd, 0x00000001},
195 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffff8002, 0x00000002},
196 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x00007fff, 0x0000007d},
197 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x7ffffffd, 0xffffff80},
198 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x80000000, 0xffffffff},
199 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x00007fff},
200 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffff8002, 0xffffff82},
201 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x0000007f},
202 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffffff, 0xfffffffd},
203 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00000001, 0x00000001},
204 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x00007ffd, 0xaaaaaaaa},
205 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x7fffffff, 0x0000007e},
206 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x80000001, 0xffff8002},
207 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffff8003, 0x80000000},
208 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x33333333, 0xffffff80},
209 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x7ffffffe, 0x00007ffd},
210 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007fff, 0x00000000},
211 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x00000001, 0x55555555},
212 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x0000007e, 0xffff8003},
213 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffd, 0x0000007e},
214 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x80000000, 0x00000000},
215 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0x00007ffd},
216 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xffffff82, 0xfffffffe},
217 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffff8000, 0xffff8001},
218 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x33333333, 0x0000007d},
219 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000002, 0xffffff82},
220 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x0000007f, 0x55555555},
221 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffff81, 0xcccccccc},
222 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffe, 0x33333333},
223 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0x80000001},
224 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8001, 0xcccccccc},
225 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x33333333, 0xaaaaaaaa},
226 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007fff, 0x0000007f},
227 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x0000007d, 0x00000001},
228 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xffff8001, 0x00007ffd},
229 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x0000007e, 0x80000001},
230 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xffff8003, 0x00000000},
231 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8002, 0xfffffffd},
232 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffffff, 0xffffff80},
233 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007fff, 0xffffffe0},
234 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xaaaaaaaa, 0x00007fff},
235 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffff8002, 0xffffffff},
236 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x0000007e, 0xffffff81},
237 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x7fffffff, 0x00007fff},
238 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffff82, 0xffffff83},
239 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xfffffffe, 0x7ffffffe},
240 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x00007fff, 0xaaaaaaaa},
241 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00000002, 0xffff8003},
242 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffff80, 0x80000000},
243 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x80000001},
244 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x7fffffff, 0x0000007e},
245 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x55555555, 0x00007fff},
246 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffffff, 0x00007fff},
247 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0x7ffffffd},
248 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffffff82, 0xffff8002},
249 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0x0000007e},
250 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x7ffffffe, 0xcccccccc},
251 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xffff8002, 0xfffffffd},
252 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffffff80, 0xffff8003},
253 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x0000007e, 0xaaaaaaaa},
254 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00007fff, 0xffffff83},
255 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xfffffffe, 0x00007ffd},
256 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xcccccccc, 0xffff8000},
257 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x00007ffe, 0x7ffffffd},
258 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x0000007f, 0x55555555},
259 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x80000000, 0xffff8000},
260 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffffff, 0xffffffe0},
261 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x80000000},
262 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x0000007d, 0xfffffffd},
263 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffd, 0xffffffff},
264 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x00007ffd, 0x7ffffffd},
265 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffff8003, 0x00000002},
266 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x55555555, 0xffff8001},
267 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00000000, 0x00007fff},
268 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x00000001, 0xffffff83},
269 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x00007ffe},
270 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffff81, 0x80000001},
271 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x0000007d, 0x00000002},
272 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff80, 0x7ffffffd},
273 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xcccccccc, 0xffff8000},
274 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xcccccccc, 0xffffff81},
275 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffffff81, 0x00000000},
276 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x33333333, 0xffffff82},
277 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffff83, 0xffffffe0},
278 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xfffffffe, 0x0000007d},
279 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x00000020, 0xffff8000},
280 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x00000002, 0x00007ffe},
281 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8000, 0xffffff80},
282 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xfffffffe, 0xffffff81},
283 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffffff, 0xffffffff},
284 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x00007ffd, 0xffffff81},
285 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xcccccccc, 0xffffff82},
286 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007ffd, 0xfffffffd},
287 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8002, 0x0000007d},
288 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xaaaaaaaa, 0x0000007f},
289 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffff8000, 0x7ffffffd},
290 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xcccccccc, 0x00007ffe},
291 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x0000007e, 0xffff8002},
292 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffffe0, 0x7ffffffd},
293 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xfffffffd, 0xffffff82},
294 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xffff8002, 0x7fffffff},
295 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x7ffffffe, 0xfffffffd},
296 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x80000001, 0xffffffff},
297 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007fff, 0x00000020},
298 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffff82, 0xffff8001},
299 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xffffff80, 0x00000000},
300 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xaaaaaaaa, 0x00000001},
301 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x55555555, 0xffff8003},
302 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffffff82, 0x0000007e},
303 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xfffffffd, 0x55555555},
304 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00000002, 0xfffffffe},
305 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x00007ffe, 0xfffffffd},
306 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffff82, 0x7ffffffe},
307 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffff80, 0x0000007d},
308 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffff8003, 0xffffff82},
309 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x55555555, 0x80000000},
310 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x00000001, 0xffff8003},
311 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x00000002, 0xffffff80},
312 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffff, 0x00000002},
313 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0x33333333},
314 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8002, 0x55555555},
315 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xfffffffd, 0x7ffffffd},
316 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xcccccccc, 0xfffffffe},
317 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x00000001, 0x33333333},
318 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0xffffff83},
319 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0x0000007f},
320 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffffff81, 0xffff8001},
321 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffffffe0, 0x00007fff},
322 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffffff80, 0x33333333},
323 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00007ffe, 0x00007ffe},
324 {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x55555555, 0x00000002},
325 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00000002, 0x7ffffffd},
326 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffffff81, 0xffffff80},
327 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000001, 0x00007ffe},
328 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffff8001, 0xffff8002},
329 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xaaaaaaaa, 0x7ffffffd},
330 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0xffff8003},
331 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x80000000, 0xffffffff},
332 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xfffffffe, 0x33333333},
333 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x00000002, 0xffffff82},
334 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x7ffffffe},
335 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x00000002, 0x00000001},
336 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0xffffffff},
337 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x00007ffd, 0x00000001},
338 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x55555555, 0x7fffffff},
339 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xfffffffe, 0x00000002},
340 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x0000007d, 0x7ffffffe},
341 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x0000007d, 0x7fffffff},
342 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffffff80, 0x7fffffff},
343 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xffffff82, 0x00000001},
344 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffffff82, 0xffffff80},
345 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffff8003, 0xffff8000},
346 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xfffffffe, 0xffffff82},
347 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x0000007f, 0xffffffe0},
348 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00000002, 0x00007ffe},
349 {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x0000007e, 0xffffff83},
350 {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007ffd, 0xffffffff},
351 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0xffff8001},
352 {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xffffffe0, 0x33333333},
353 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xffffff83, 0xffffff83},
354 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0x00007fff},
355 {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x0000007d, 0x00007ffe},
356 {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x0000007d, 0xaaaaaaaa},
357 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x0000007d, 0xaaaaaaaa},
358 {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xaaaaaaaa, 0x80000001},
359 {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x0000007d, 0x55555555},
360 {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xfffffffd, 0x00007ffd},
361 {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffff8001, 0xfffffffe}};
362
363
364 // A loop will be generated for each element of this array.
365 const TestLoopData kTests[] = {{{al, r9, r2, r10},
366 "al r9 r2 r10",
367 "GE_al_r9_r2_r10",
368 ARRAY_SIZE(kGE),
369 kGE}};
370
371 // We record all inputs to the instructions as outputs. This way, we also check
372 // that what shouldn't change didn't change.
373 struct TestResult {
374 size_t output_size;
375 const Inputs* outputs;
376 };
377
378 // These headers each contain an array of `TestResult` with the reference output
379 // values. The reference arrays are names `kReference{mnemonic}`.
380 #include "aarch32/traces/simulator-cond-rd-rn-rm-sel-sel-t32.h"
381
382
383 // The maximum number of errors to report in detail for each test.
384 const unsigned kErrorReportLimit = 8;
385
386 typedef void (MacroAssembler::*Fn)(Condition cond,
387 Register rd,
388 Register rn,
389 Register rm);
390
TestHelper(Fn instruction,const char * mnemonic,const TestResult reference[])391 void TestHelper(Fn instruction,
392 const char* mnemonic,
393 const TestResult reference[]) {
394 SETUP();
395 masm.UseT32();
396 START();
397
398 // Data to compare to `reference`.
399 TestResult* results[ARRAY_SIZE(kTests)];
400
401 // Test cases for memory bound instructions may allocate a buffer and save its
402 // address in this array.
403 byte* scratch_memory_buffers[ARRAY_SIZE(kTests)];
404
405 // Generate a loop for each element in `kTests`. Each loop tests one specific
406 // instruction.
407 for (unsigned i = 0; i < ARRAY_SIZE(kTests); i++) {
408 // Allocate results on the heap for this test.
409 results[i] = new TestResult;
410 results[i]->outputs = new Inputs[kTests[i].input_size];
411 results[i]->output_size = kTests[i].input_size;
412
413 size_t input_stride = sizeof(kTests[i].inputs[0]) * kTests[i].input_size;
414 VIXL_ASSERT(IsUint32(input_stride));
415
416 scratch_memory_buffers[i] = NULL;
417
418 Label loop;
419 UseScratchRegisterScope scratch_registers(&masm);
420 // Include all registers from r0 ro r12.
421 scratch_registers.Include(RegisterList(0x1fff));
422
423 // Values to pass to the macro-assembler.
424 Condition cond = kTests[i].operands.cond;
425 Register rd = kTests[i].operands.rd;
426 Register rn = kTests[i].operands.rn;
427 Register rm = kTests[i].operands.rm;
428 scratch_registers.Exclude(rd);
429 scratch_registers.Exclude(rn);
430 scratch_registers.Exclude(rm);
431
432 // Allocate reserved registers for our own use.
433 Register input_ptr = scratch_registers.Acquire();
434 Register input_end = scratch_registers.Acquire();
435 Register result_ptr = scratch_registers.Acquire();
436
437 // Initialize `input_ptr` to the first element and `input_end` the address
438 // after the array.
439 __ Mov(input_ptr, Operand::From(kTests[i].inputs));
440 __ Add(input_end, input_ptr, static_cast<uint32_t>(input_stride));
441 __ Mov(result_ptr, Operand::From(results[i]->outputs));
442 __ Bind(&loop);
443
444 {
445 UseScratchRegisterScope temp_registers(&masm);
446 Register nzcv_bits = temp_registers.Acquire();
447 Register saved_q_bit = temp_registers.Acquire();
448 // Save the `Q` bit flag.
449 __ Mrs(saved_q_bit, APSR);
450 __ And(saved_q_bit, saved_q_bit, QFlag);
451 // Set the `NZCV` and `Q` flags together.
452 __ Ldr(nzcv_bits, MemOperand(input_ptr, offsetof(Inputs, apsr)));
453 __ Orr(nzcv_bits, nzcv_bits, saved_q_bit);
454 __ Msr(APSR_nzcvq, nzcv_bits);
455 }
456 {
457 UseScratchRegisterScope temp_registers(&masm);
458 Register q_bit = temp_registers.Acquire();
459 Register saved_nzcv_bits = temp_registers.Acquire();
460 // Save the `NZCV` flags.
461 __ Mrs(saved_nzcv_bits, APSR);
462 __ And(saved_nzcv_bits, saved_nzcv_bits, NZCVFlag);
463 // Set the `NZCV` and `Q` flags together.
464 __ Ldr(q_bit, MemOperand(input_ptr, offsetof(Inputs, qbit)));
465 __ Orr(q_bit, q_bit, saved_nzcv_bits);
466 __ Msr(APSR_nzcvq, q_bit);
467 }
468 {
469 UseScratchRegisterScope temp_registers(&masm);
470 Register ge_bits = temp_registers.Acquire();
471 __ Ldr(ge_bits, MemOperand(input_ptr, offsetof(Inputs, ge)));
472 __ Msr(APSR_g, ge_bits);
473 }
474 __ Ldr(rd, MemOperand(input_ptr, offsetof(Inputs, rd)));
475 __ Ldr(rn, MemOperand(input_ptr, offsetof(Inputs, rn)));
476 __ Ldr(rm, MemOperand(input_ptr, offsetof(Inputs, rm)));
477
478 (masm.*instruction)(cond, rd, rn, rm);
479
480 {
481 UseScratchRegisterScope temp_registers(&masm);
482 Register nzcv_bits = temp_registers.Acquire();
483 __ Mrs(nzcv_bits, APSR);
484 // Only record the NZCV bits.
485 __ And(nzcv_bits, nzcv_bits, NZCVFlag);
486 __ Str(nzcv_bits, MemOperand(result_ptr, offsetof(Inputs, apsr)));
487 }
488 {
489 UseScratchRegisterScope temp_registers(&masm);
490 Register q_bit = temp_registers.Acquire();
491 __ Mrs(q_bit, APSR);
492 // Only record the Q bit.
493 __ And(q_bit, q_bit, QFlag);
494 __ Str(q_bit, MemOperand(result_ptr, offsetof(Inputs, qbit)));
495 }
496 {
497 UseScratchRegisterScope temp_registers(&masm);
498 Register ge_bits = temp_registers.Acquire();
499 __ Mrs(ge_bits, APSR);
500 // Only record the GE bits.
501 __ And(ge_bits, ge_bits, GEFlags);
502 __ Str(ge_bits, MemOperand(result_ptr, offsetof(Inputs, ge)));
503 }
504 __ Str(rd, MemOperand(result_ptr, offsetof(Inputs, rd)));
505 __ Str(rn, MemOperand(result_ptr, offsetof(Inputs, rn)));
506 __ Str(rm, MemOperand(result_ptr, offsetof(Inputs, rm)));
507
508 // Advance the result pointer.
509 __ Add(result_ptr, result_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
510 // Loop back until `input_ptr` is lower than `input_base`.
511 __ Add(input_ptr, input_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
512 __ Cmp(input_ptr, input_end);
513 __ B(ne, &loop);
514 }
515
516 END();
517
518 RUN();
519
520 if (Test::generate_test_trace()) {
521 // Print the results.
522 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
523 printf("const Inputs kOutputs_%s_%s[] = {\n",
524 mnemonic,
525 kTests[i].identifier);
526 for (size_t j = 0; j < results[i]->output_size; j++) {
527 printf(" { ");
528 printf("0x%08" PRIx32, results[i]->outputs[j].apsr);
529 printf(", ");
530 printf("0x%08" PRIx32, results[i]->outputs[j].qbit);
531 printf(", ");
532 printf("0x%08" PRIx32, results[i]->outputs[j].ge);
533 printf(", ");
534 printf("0x%08" PRIx32, results[i]->outputs[j].rd);
535 printf(", ");
536 printf("0x%08" PRIx32, results[i]->outputs[j].rn);
537 printf(", ");
538 printf("0x%08" PRIx32, results[i]->outputs[j].rm);
539 printf(" },\n");
540 }
541 printf("};\n");
542 }
543 printf("const TestResult kReference%s[] = {\n", mnemonic);
544 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
545 printf(" {\n");
546 printf(" ARRAY_SIZE(kOutputs_%s_%s),\n",
547 mnemonic,
548 kTests[i].identifier);
549 printf(" kOutputs_%s_%s,\n", mnemonic, kTests[i].identifier);
550 printf(" },\n");
551 }
552 printf("};\n");
553 } else if (kCheckSimulatorTestResults) {
554 // Check the results.
555 unsigned total_error_count = 0;
556 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
557 bool instruction_has_errors = false;
558 for (size_t j = 0; j < kTests[i].input_size; j++) {
559 uint32_t apsr = results[i]->outputs[j].apsr;
560 uint32_t qbit = results[i]->outputs[j].qbit;
561 uint32_t ge = results[i]->outputs[j].ge;
562 uint32_t rd = results[i]->outputs[j].rd;
563 uint32_t rn = results[i]->outputs[j].rn;
564 uint32_t rm = results[i]->outputs[j].rm;
565 uint32_t apsr_input = kTests[i].inputs[j].apsr;
566 uint32_t qbit_input = kTests[i].inputs[j].qbit;
567 uint32_t ge_input = kTests[i].inputs[j].ge;
568 uint32_t rd_input = kTests[i].inputs[j].rd;
569 uint32_t rn_input = kTests[i].inputs[j].rn;
570 uint32_t rm_input = kTests[i].inputs[j].rm;
571 uint32_t apsr_ref = reference[i].outputs[j].apsr;
572 uint32_t qbit_ref = reference[i].outputs[j].qbit;
573 uint32_t ge_ref = reference[i].outputs[j].ge;
574 uint32_t rd_ref = reference[i].outputs[j].rd;
575 uint32_t rn_ref = reference[i].outputs[j].rn;
576 uint32_t rm_ref = reference[i].outputs[j].rm;
577
578 if (((apsr != apsr_ref) || (qbit != qbit_ref) || (ge != ge_ref) ||
579 (rd != rd_ref) || (rn != rn_ref) || (rm != rm_ref)) &&
580 (++total_error_count <= kErrorReportLimit)) {
581 // Print the instruction once even if it triggered multiple failures.
582 if (!instruction_has_errors) {
583 printf("Error(s) when testing \"%s %s\":\n",
584 mnemonic,
585 kTests[i].operands_description);
586 instruction_has_errors = true;
587 }
588 // Print subsequent errors.
589 printf(" Input: ");
590 printf("0x%08" PRIx32, apsr_input);
591 printf(", ");
592 printf("0x%08" PRIx32, qbit_input);
593 printf(", ");
594 printf("0x%08" PRIx32, ge_input);
595 printf(", ");
596 printf("0x%08" PRIx32, rd_input);
597 printf(", ");
598 printf("0x%08" PRIx32, rn_input);
599 printf(", ");
600 printf("0x%08" PRIx32, rm_input);
601 printf("\n");
602 printf(" Expected: ");
603 printf("0x%08" PRIx32, apsr_ref);
604 printf(", ");
605 printf("0x%08" PRIx32, qbit_ref);
606 printf(", ");
607 printf("0x%08" PRIx32, ge_ref);
608 printf(", ");
609 printf("0x%08" PRIx32, rd_ref);
610 printf(", ");
611 printf("0x%08" PRIx32, rn_ref);
612 printf(", ");
613 printf("0x%08" PRIx32, rm_ref);
614 printf("\n");
615 printf(" Found: ");
616 printf("0x%08" PRIx32, apsr);
617 printf(", ");
618 printf("0x%08" PRIx32, qbit);
619 printf(", ");
620 printf("0x%08" PRIx32, ge);
621 printf(", ");
622 printf("0x%08" PRIx32, rd);
623 printf(", ");
624 printf("0x%08" PRIx32, rn);
625 printf(", ");
626 printf("0x%08" PRIx32, rm);
627 printf("\n\n");
628 }
629 }
630 }
631
632 if (total_error_count > kErrorReportLimit) {
633 printf("%u other errors follow.\n",
634 total_error_count - kErrorReportLimit);
635 }
636 VIXL_CHECK(total_error_count == 0);
637 } else {
638 VIXL_WARNING("Assembled the code, but did not run anything.\n");
639 }
640
641 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
642 delete[] results[i]->outputs;
643 delete results[i];
644 delete[] scratch_memory_buffers[i];
645 }
646 }
647
648 // Instantiate tests for each instruction in the list.
649 // TODO: Remove this limitation by having a sandboxing mechanism.
650 #if defined(VIXL_HOST_POINTER_32)
651 #define TEST(mnemonic) \
652 void Test_##mnemonic() { \
653 TestHelper(&MacroAssembler::mnemonic, #mnemonic, kReference##mnemonic); \
654 } \
655 Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_SEL_" #mnemonic \
656 "_T32", \
657 &Test_##mnemonic);
658 #else
659 #define TEST(mnemonic) \
660 void Test_##mnemonic() { \
661 VIXL_WARNING("This test can only run on a 32-bit host.\n"); \
662 USE(TestHelper); \
663 } \
664 Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_SEL_" #mnemonic \
665 "_T32", \
666 &Test_##mnemonic);
667 #endif
668
669 FOREACH_INSTRUCTION(TEST)
670 #undef TEST
671
672 } // namespace
673 #endif
674
675 } // namespace aarch32
676 } // namespace vixl
677