1 // Copyright 2016, VIXL authors 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are met: 6 // 7 // * Redistributions of source code must retain the above copyright notice, 8 // this list of conditions and the following disclaimer. 9 // * Redistributions in binary form must reproduce the above copyright notice, 10 // this list of conditions and the following disclaimer in the documentation 11 // and/or other materials provided with the distribution. 12 // * Neither the name of ARM Limited nor the names of its contributors may be 13 // used to endorse or promote products derived from this software without 14 // specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND 17 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE 20 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 23 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 27 28 // ----------------------------------------------------------------------------- 29 // This file is auto generated from the 30 // test/aarch32/config/template-simulator-aarch32.cc.in template file using 31 // tools/generate_tests.py. 32 // 33 // PLEASE DO NOT EDIT. 34 // ----------------------------------------------------------------------------- 35 36 37 #include "test-runner.h" 38 39 #include "test-utils.h" 40 #include "test-utils-aarch32.h" 41 42 #include "aarch32/assembler-aarch32.h" 43 #include "aarch32/macro-assembler-aarch32.h" 44 #include "aarch32/disasm-aarch32.h" 45 46 #define __ masm. 47 #define BUF_SIZE (4096) 48 49 #ifdef VIXL_INCLUDE_SIMULATOR_AARCH32 50 // Run tests with the simulator. 51 52 #define SETUP() MacroAssembler masm(BUF_SIZE) 53 54 #define START() masm.GetBuffer()->Reset() 55 56 #define END() \ 57 __ Hlt(0); \ 58 __ FinalizeCode(); 59 60 // TODO: Run the tests in the simulator. 61 #define RUN() 62 63 #define TEARDOWN() 64 65 #else // ifdef VIXL_INCLUDE_SIMULATOR_AARCH32. 66 67 #define SETUP() \ 68 MacroAssembler masm(BUF_SIZE); \ 69 UseScratchRegisterScope harness_scratch(&masm); \ 70 harness_scratch.ExcludeAll(); 71 72 #define START() \ 73 masm.GetBuffer()->Reset(); \ 74 __ Push(r4); \ 75 __ Push(r5); \ 76 __ Push(r6); \ 77 __ Push(r7); \ 78 __ Push(r8); \ 79 __ Push(r9); \ 80 __ Push(r10); \ 81 __ Push(r11); \ 82 __ Push(lr); \ 83 harness_scratch.Include(ip); 84 85 #define END() \ 86 harness_scratch.Exclude(ip); \ 87 __ Pop(lr); \ 88 __ Pop(r11); \ 89 __ Pop(r10); \ 90 __ Pop(r9); \ 91 __ Pop(r8); \ 92 __ Pop(r7); \ 93 __ Pop(r6); \ 94 __ Pop(r5); \ 95 __ Pop(r4); \ 96 __ Bx(lr); \ 97 __ FinalizeCode(); 98 99 #define RUN() \ 100 { \ 101 int pcs_offset = masm.IsUsingT32() ? 1 : 0; \ 102 masm.GetBuffer()->SetExecutable(); \ 103 ExecuteMemory(masm.GetBuffer()->GetStartAddress<byte*>(), \ 104 masm.GetSizeOfCodeGenerated(), \ 105 pcs_offset); \ 106 masm.GetBuffer()->SetWritable(); \ 107 } 108 109 #define TEARDOWN() harness_scratch.Close(); 110 111 #endif // ifdef VIXL_INCLUDE_SIMULATOR_AARCH32 112 113 namespace vixl { 114 namespace aarch32 { 115 116 // List of instruction encodings: 117 #define FOREACH_INSTRUCTION(M) \ 118 M(Qadd) \ 119 M(Qdadd) \ 120 M(Qdsub) \ 121 M(Qsub) 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 Condition cond; 137 Register rd; 138 Register rn; 139 Register rm; 140 }; 141 142 // Input data to feed to the instruction. 143 struct Inputs { 144 uint32_t apsr; 145 uint32_t qbit; 146 uint32_t ge; 147 uint32_t rd; 148 uint32_t rn; 149 uint32_t rm; 150 }; 151 152 // This structure contains all input data needed to test one specific encoding. 153 // It used to generate a loop over an instruction. 154 struct TestLoopData { 155 // The `operands` fields represents the values to pass to the assembler to 156 // produce the instruction. 157 Operands operands; 158 // Description of the operands, used for error reporting. 159 const char* operands_description; 160 // Unique identifier, used for generating traces. 161 const char* identifier; 162 // Array of values to be fed to the instruction. 163 size_t input_size; 164 const Inputs* inputs; 165 }; 166 167 static const Inputs kQOutput[] = 168 {{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff80, 0x0000007f}, 169 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000001, 0xffff8001}, 170 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007f, 0x00007fff}, 171 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8001, 0x80000000}, 172 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff81, 0x00000002}, 173 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x00000002}, 174 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000000, 0x00000002}, 175 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8003, 0x7fffffff}, 176 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000002, 0x0000007d}, 177 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x55555555}, 178 {NoFlag, QFlag, NoFlag, 0xabababab, 0x55555555, 0x00000020}, 179 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0xffffffff}, 180 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0xcccccccc}, 181 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x80000000}, 182 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x00000001}, 183 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x00007ffe}, 184 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0xffffff80}, 185 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007d, 0x00007fff}, 186 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xffffff80}, 187 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x7ffffffd}, 188 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0x55555555}, 189 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8000, 0xffffffe0}, 190 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0x00000020}, 191 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007f, 0x0000007d}, 192 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffe0, 0x00007ffe}, 193 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffe, 0xffffff83}, 194 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffe, 0x0000007d}, 195 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x00000000}, 196 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007ffe, 0xffff8002}, 197 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffffff82}, 198 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffe0, 0x7fffffff}, 199 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x00000002}, 200 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007f, 0xfffffffd}, 201 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0xaaaaaaaa}, 202 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0x80000000}, 203 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffe, 0x0000007f}, 204 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007d, 0xffff8002}, 205 {NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0x80000000}, 206 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8000, 0x00007ffd}, 207 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0xffffffff}, 208 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0xfffffffd}, 209 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8000, 0xfffffffe}, 210 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff83, 0xffffff83}, 211 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007ffe, 0xfffffffd}, 212 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x00000002}, 213 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0x00000001}, 214 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000001, 0x0000007e}, 215 {NoFlag, QFlag, NoFlag, 0xabababab, 0xfffffffe, 0x7ffffffd}, 216 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7fffffff, 0x00000020}, 217 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0x00000001}, 218 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0x0000007e}, 219 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007f, 0xffff8000}, 220 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007d, 0x7ffffffe}, 221 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffe, 0x0000007e}, 222 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0xfffffffe}, 223 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0x33333333}, 224 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x00007fff}, 225 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0xffffff83}, 226 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffff, 0xffff8000}, 227 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7ffffffd, 0xcccccccc}, 228 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0xffffffe0}, 229 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0x00007ffe}, 230 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xaaaaaaaa, 0x00000020}, 231 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007e, 0xffff8002}, 232 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x7ffffffd}, 233 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0x80000001}, 234 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0x0000007f}, 235 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0xffff8003}, 236 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0x00007fff}, 237 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffd, 0x00000002}, 238 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff81, 0x80000000}, 239 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0x33333333}, 240 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0x00007ffd}, 241 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000001, 0xcccccccc}, 242 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xaaaaaaaa, 0x7fffffff}, 243 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000000, 0x00007ffd}, 244 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0x80000001}, 245 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x00007fff}, 246 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffff, 0xffff8003}, 247 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0x33333333}, 248 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00000002}, 249 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffff, 0xffff8001}, 250 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff82, 0xffffff82}, 251 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000020, 0xffff8002}, 252 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x00007ffd}, 253 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x0000007d}, 254 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0xaaaaaaaa}, 255 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x33333333}, 256 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000002, 0xffff8000}, 257 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0xffffff83}, 258 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x7ffffffe}, 259 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff82, 0xffffff81}, 260 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0x0000007f}, 261 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff80, 0x0000007d}, 262 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8001, 0xffff8000}, 263 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x00000000}, 264 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000002, 0x80000000}, 265 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff80, 0x00000020}, 266 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0x00000001}, 267 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0xaaaaaaaa}, 268 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000001, 0x33333333}, 269 {NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0x00000020}, 270 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffe, 0xffffffe0}, 271 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x00000002}, 272 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffff8000}, 273 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00000001}, 274 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0x7fffffff}, 275 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffff, 0x7ffffffe}, 276 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x00007ffd}, 277 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000020, 0x00007fff}, 278 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff83, 0xfffffffd}, 279 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x55555555}, 280 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0x0000007e}, 281 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xcccccccc}, 282 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007d, 0xffffff81}, 283 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffffff80}, 284 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007ffd, 0x00000000}, 285 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0xcccccccc}, 286 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000020, 0xaaaaaaaa}, 287 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x00000001}, 288 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0xffffff82}, 289 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0xffff8003}, 290 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xffff8003}, 291 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0xffff8000}, 292 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000002, 0xffff8001}, 293 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0xffffff80}, 294 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8000, 0x0000007f}, 295 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0xffffffe0}, 296 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x55555555, 0x0000007f}, 297 {NoFlag, QFlag, NoFlag, 0xabababab, 0xfffffffd, 0xffffffe0}, 298 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff80, 0x00000001}, 299 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000020, 0xffffff83}, 300 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7fffffff, 0x00007ffd}, 301 {NoFlag, QFlag, NoFlag, 0xabababab, 0x55555555, 0x80000000}, 302 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0xffff8001}, 303 {NoFlag, QFlag, NoFlag, 0xabababab, 0xfffffffd, 0x00000002}, 304 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7ffffffe, 0x0000007e}, 305 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff83, 0xffff8001}, 306 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffffff81}, 307 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8002, 0xfffffffe}, 308 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x0000007f}, 309 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0xcccccccc}, 310 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000002, 0x00000002}, 311 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0x7ffffffd}, 312 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0xffff8001}, 313 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0x00007ffe}, 314 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00007fff}, 315 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0x55555555}, 316 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007fff, 0xffff8001}, 317 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0x55555555}, 318 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0xffff8003}, 319 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7ffffffe, 0xffffff81}, 320 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x55555555, 0x7ffffffe}, 321 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000001, 0x00007fff}, 322 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000002, 0x7ffffffd}, 323 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff82, 0xfffffffd}, 324 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff82, 0x0000007f}, 325 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x00007ffd}, 326 {NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0xfffffffe}, 327 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007fff, 0x80000000}, 328 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8003, 0xffff8003}, 329 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffff8003}, 330 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0xffffff81}, 331 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x7ffffffd}, 332 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0xffff8002}, 333 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007e, 0x00000001}, 334 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007fff, 0xffffffe0}, 335 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff81, 0x7fffffff}, 336 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffffffe0}, 337 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0xffff8000}, 338 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x00007ffd}, 339 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007d, 0x00000001}, 340 {NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffff8003}, 341 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x0000007f}, 342 {NoFlag, QFlag, NoFlag, 0xabababab, 0x33333333, 0x00000000}, 343 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7fffffff, 0x80000000}, 344 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffe, 0x00007ffd}, 345 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0x7ffffffd}, 346 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000020, 0xffff8003}, 347 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x00007fff}, 348 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007ffe, 0xffff8003}, 349 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffe, 0xffffff82}, 350 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff81, 0xcccccccc}, 351 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007fff, 0x00007ffd}, 352 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x00000001}, 353 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x80000001}, 354 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0x33333333}, 355 {NoFlag, QFlag, NoFlag, 0xabababab, 0x33333333, 0x7fffffff}, 356 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0x00000002}, 357 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xffffff81}, 358 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x80000001}, 359 {NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffffffff}, 360 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0xffff8001}, 361 {NoFlag, QFlag, NoFlag, 0xabababab, 0xfffffffd, 0xffffff81}, 362 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000002, 0x0000007f}, 363 {NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0xaaaaaaaa}, 364 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000000, 0x0000007f}, 365 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000001, 0xffffff80}, 366 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00000020}, 367 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8000, 0x00000020}}; 368 369 370 // A loop will be generated for each element of this array. 371 const TestLoopData kTests[] = {{{al, r0, r9, r10}, 372 "al r0 r9 r10", 373 "QOutput_al_r0_r9_r10", 374 ARRAY_SIZE(kQOutput), 375 kQOutput}}; 376 377 // We record all inputs to the instructions as outputs. This way, we also check 378 // that what shouldn't change didn't change. 379 struct TestResult { 380 size_t output_size; 381 const Inputs* outputs; 382 }; 383 384 // These headers each contain an array of `TestResult` with the reference output 385 // values. The reference arrays are names `kReference{mnemonic}`. 386 #include "aarch32/traces/simulator-cond-rd-rn-rm-t32-q-qadd.h" 387 #include "aarch32/traces/simulator-cond-rd-rn-rm-t32-q-qdadd.h" 388 #include "aarch32/traces/simulator-cond-rd-rn-rm-t32-q-qdsub.h" 389 #include "aarch32/traces/simulator-cond-rd-rn-rm-t32-q-qsub.h" 390 391 392 // The maximum number of errors to report in detail for each test. 393 const unsigned kErrorReportLimit = 8; 394 395 typedef void (MacroAssembler::*Fn)(Condition cond, 396 Register rd, 397 Register rn, 398 Register rm); 399 400 void TestHelper(Fn instruction, 401 const char* mnemonic, 402 const TestResult reference[]) { 403 SETUP(); 404 masm.UseT32(); 405 START(); 406 407 // Data to compare to `reference`. 408 TestResult* results[ARRAY_SIZE(kTests)]; 409 410 // Test cases for memory bound instructions may allocate a buffer and save its 411 // address in this array. 412 byte* scratch_memory_buffers[ARRAY_SIZE(kTests)]; 413 414 // Generate a loop for each element in `kTests`. Each loop tests one specific 415 // instruction. 416 for (unsigned i = 0; i < ARRAY_SIZE(kTests); i++) { 417 // Allocate results on the heap for this test. 418 results[i] = new TestResult; 419 results[i]->outputs = new Inputs[kTests[i].input_size]; 420 results[i]->output_size = kTests[i].input_size; 421 422 size_t input_stride = sizeof(kTests[i].inputs[0]) * kTests[i].input_size; 423 VIXL_ASSERT(IsUint32(input_stride)); 424 425 scratch_memory_buffers[i] = NULL; 426 427 Label loop; 428 UseScratchRegisterScope scratch_registers(&masm); 429 // Include all registers from r0 ro r12. 430 scratch_registers.Include(RegisterList(0x1fff)); 431 432 // Values to pass to the macro-assembler. 433 Condition cond = kTests[i].operands.cond; 434 Register rd = kTests[i].operands.rd; 435 Register rn = kTests[i].operands.rn; 436 Register rm = kTests[i].operands.rm; 437 scratch_registers.Exclude(rd); 438 scratch_registers.Exclude(rn); 439 scratch_registers.Exclude(rm); 440 441 // Allocate reserved registers for our own use. 442 Register input_ptr = scratch_registers.Acquire(); 443 Register input_end = scratch_registers.Acquire(); 444 Register result_ptr = scratch_registers.Acquire(); 445 446 // Initialize `input_ptr` to the first element and `input_end` the address 447 // after the array. 448 __ Mov(input_ptr, Operand::From(kTests[i].inputs)); 449 __ Add(input_end, input_ptr, static_cast<uint32_t>(input_stride)); 450 __ Mov(result_ptr, Operand::From(results[i]->outputs)); 451 __ Bind(&loop); 452 453 { 454 UseScratchRegisterScope temp_registers(&masm); 455 Register nzcv_bits = temp_registers.Acquire(); 456 Register saved_q_bit = temp_registers.Acquire(); 457 // Save the `Q` bit flag. 458 __ Mrs(saved_q_bit, APSR); 459 __ And(saved_q_bit, saved_q_bit, QFlag); 460 // Set the `NZCV` and `Q` flags together. 461 __ Ldr(nzcv_bits, MemOperand(input_ptr, offsetof(Inputs, apsr))); 462 __ Orr(nzcv_bits, nzcv_bits, saved_q_bit); 463 __ Msr(APSR_nzcvq, nzcv_bits); 464 } 465 { 466 UseScratchRegisterScope temp_registers(&masm); 467 Register q_bit = temp_registers.Acquire(); 468 Register saved_nzcv_bits = temp_registers.Acquire(); 469 // Save the `NZCV` flags. 470 __ Mrs(saved_nzcv_bits, APSR); 471 __ And(saved_nzcv_bits, saved_nzcv_bits, NZCVFlag); 472 // Set the `NZCV` and `Q` flags together. 473 __ Ldr(q_bit, MemOperand(input_ptr, offsetof(Inputs, qbit))); 474 __ Orr(q_bit, q_bit, saved_nzcv_bits); 475 __ Msr(APSR_nzcvq, q_bit); 476 } 477 { 478 UseScratchRegisterScope temp_registers(&masm); 479 Register ge_bits = temp_registers.Acquire(); 480 __ Ldr(ge_bits, MemOperand(input_ptr, offsetof(Inputs, ge))); 481 __ Msr(APSR_g, ge_bits); 482 } 483 __ Ldr(rd, MemOperand(input_ptr, offsetof(Inputs, rd))); 484 __ Ldr(rn, MemOperand(input_ptr, offsetof(Inputs, rn))); 485 __ Ldr(rm, MemOperand(input_ptr, offsetof(Inputs, rm))); 486 487 (masm.*instruction)(cond, rd, rn, rm); 488 489 { 490 UseScratchRegisterScope temp_registers(&masm); 491 Register nzcv_bits = temp_registers.Acquire(); 492 __ Mrs(nzcv_bits, APSR); 493 // Only record the NZCV bits. 494 __ And(nzcv_bits, nzcv_bits, NZCVFlag); 495 __ Str(nzcv_bits, MemOperand(result_ptr, offsetof(Inputs, apsr))); 496 } 497 { 498 UseScratchRegisterScope temp_registers(&masm); 499 Register q_bit = temp_registers.Acquire(); 500 __ Mrs(q_bit, APSR); 501 // Only record the Q bit. 502 __ And(q_bit, q_bit, QFlag); 503 __ Str(q_bit, MemOperand(result_ptr, offsetof(Inputs, qbit))); 504 } 505 { 506 UseScratchRegisterScope temp_registers(&masm); 507 Register ge_bits = temp_registers.Acquire(); 508 __ Mrs(ge_bits, APSR); 509 // Only record the GE bits. 510 __ And(ge_bits, ge_bits, GEFlags); 511 __ Str(ge_bits, MemOperand(result_ptr, offsetof(Inputs, ge))); 512 } 513 __ Str(rd, MemOperand(result_ptr, offsetof(Inputs, rd))); 514 __ Str(rn, MemOperand(result_ptr, offsetof(Inputs, rn))); 515 __ Str(rm, MemOperand(result_ptr, offsetof(Inputs, rm))); 516 517 // Advance the result pointer. 518 __ Add(result_ptr, result_ptr, Operand::From(sizeof(kTests[i].inputs[0]))); 519 // Loop back until `input_ptr` is lower than `input_base`. 520 __ Add(input_ptr, input_ptr, Operand::From(sizeof(kTests[i].inputs[0]))); 521 __ Cmp(input_ptr, input_end); 522 __ B(ne, &loop); 523 } 524 525 END(); 526 527 RUN(); 528 529 if (Test::generate_test_trace()) { 530 // Print the results. 531 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) { 532 printf("const Inputs kOutputs_%s_%s[] = {\n", 533 mnemonic, 534 kTests[i].identifier); 535 for (size_t j = 0; j < results[i]->output_size; j++) { 536 printf(" { "); 537 printf("0x%08" PRIx32, results[i]->outputs[j].apsr); 538 printf(", "); 539 printf("0x%08" PRIx32, results[i]->outputs[j].qbit); 540 printf(", "); 541 printf("0x%08" PRIx32, results[i]->outputs[j].ge); 542 printf(", "); 543 printf("0x%08" PRIx32, results[i]->outputs[j].rd); 544 printf(", "); 545 printf("0x%08" PRIx32, results[i]->outputs[j].rn); 546 printf(", "); 547 printf("0x%08" PRIx32, results[i]->outputs[j].rm); 548 printf(" },\n"); 549 } 550 printf("};\n"); 551 } 552 printf("const TestResult kReference%s[] = {\n", mnemonic); 553 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) { 554 printf(" {\n"); 555 printf(" ARRAY_SIZE(kOutputs_%s_%s),\n", 556 mnemonic, 557 kTests[i].identifier); 558 printf(" kOutputs_%s_%s,\n", mnemonic, kTests[i].identifier); 559 printf(" },\n"); 560 } 561 printf("};\n"); 562 } else if (kCheckSimulatorTestResults) { 563 // Check the results. 564 unsigned total_error_count = 0; 565 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) { 566 bool instruction_has_errors = false; 567 for (size_t j = 0; j < kTests[i].input_size; j++) { 568 uint32_t apsr = results[i]->outputs[j].apsr; 569 uint32_t qbit = results[i]->outputs[j].qbit; 570 uint32_t ge = results[i]->outputs[j].ge; 571 uint32_t rd = results[i]->outputs[j].rd; 572 uint32_t rn = results[i]->outputs[j].rn; 573 uint32_t rm = results[i]->outputs[j].rm; 574 uint32_t apsr_input = kTests[i].inputs[j].apsr; 575 uint32_t qbit_input = kTests[i].inputs[j].qbit; 576 uint32_t ge_input = kTests[i].inputs[j].ge; 577 uint32_t rd_input = kTests[i].inputs[j].rd; 578 uint32_t rn_input = kTests[i].inputs[j].rn; 579 uint32_t rm_input = kTests[i].inputs[j].rm; 580 uint32_t apsr_ref = reference[i].outputs[j].apsr; 581 uint32_t qbit_ref = reference[i].outputs[j].qbit; 582 uint32_t ge_ref = reference[i].outputs[j].ge; 583 uint32_t rd_ref = reference[i].outputs[j].rd; 584 uint32_t rn_ref = reference[i].outputs[j].rn; 585 uint32_t rm_ref = reference[i].outputs[j].rm; 586 587 if (((apsr != apsr_ref) || (qbit != qbit_ref) || (ge != ge_ref) || 588 (rd != rd_ref) || (rn != rn_ref) || (rm != rm_ref)) && 589 (++total_error_count <= kErrorReportLimit)) { 590 // Print the instruction once even if it triggered multiple failures. 591 if (!instruction_has_errors) { 592 printf("Error(s) when testing \"%s %s\":\n", 593 mnemonic, 594 kTests[i].operands_description); 595 instruction_has_errors = true; 596 } 597 // Print subsequent errors. 598 printf(" Input: "); 599 printf("0x%08" PRIx32, apsr_input); 600 printf(", "); 601 printf("0x%08" PRIx32, qbit_input); 602 printf(", "); 603 printf("0x%08" PRIx32, ge_input); 604 printf(", "); 605 printf("0x%08" PRIx32, rd_input); 606 printf(", "); 607 printf("0x%08" PRIx32, rn_input); 608 printf(", "); 609 printf("0x%08" PRIx32, rm_input); 610 printf("\n"); 611 printf(" Expected: "); 612 printf("0x%08" PRIx32, apsr_ref); 613 printf(", "); 614 printf("0x%08" PRIx32, qbit_ref); 615 printf(", "); 616 printf("0x%08" PRIx32, ge_ref); 617 printf(", "); 618 printf("0x%08" PRIx32, rd_ref); 619 printf(", "); 620 printf("0x%08" PRIx32, rn_ref); 621 printf(", "); 622 printf("0x%08" PRIx32, rm_ref); 623 printf("\n"); 624 printf(" Found: "); 625 printf("0x%08" PRIx32, apsr); 626 printf(", "); 627 printf("0x%08" PRIx32, qbit); 628 printf(", "); 629 printf("0x%08" PRIx32, ge); 630 printf(", "); 631 printf("0x%08" PRIx32, rd); 632 printf(", "); 633 printf("0x%08" PRIx32, rn); 634 printf(", "); 635 printf("0x%08" PRIx32, rm); 636 printf("\n\n"); 637 } 638 } 639 } 640 641 if (total_error_count > kErrorReportLimit) { 642 printf("%u other errors follow.\n", 643 total_error_count - kErrorReportLimit); 644 } 645 VIXL_CHECK(total_error_count == 0); 646 } else { 647 VIXL_WARNING("Assembled the code, but did not run anything.\n"); 648 } 649 650 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) { 651 delete[] results[i]->outputs; 652 delete results[i]; 653 delete[] scratch_memory_buffers[i]; 654 } 655 656 TEARDOWN(); 657 } 658 659 // Instantiate tests for each instruction in the list. 660 // TODO: Remove this limitation by having a sandboxing mechanism. 661 #if defined(VIXL_HOST_POINTER_32) 662 #define TEST(mnemonic) \ 663 void Test_##mnemonic() { \ 664 TestHelper(&MacroAssembler::mnemonic, #mnemonic, kReference##mnemonic); \ 665 } \ 666 Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_T32_Q_" #mnemonic, \ 667 &Test_##mnemonic); 668 #else 669 #define TEST(mnemonic) \ 670 void Test_##mnemonic() { \ 671 VIXL_WARNING("This test can only run on a 32-bit host.\n"); \ 672 USE(TestHelper); \ 673 } \ 674 Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_T32_Q_" #mnemonic, \ 675 &Test_##mnemonic); 676 #endif 677 678 FOREACH_INSTRUCTION(TEST) 679 #undef TEST 680 681 } // namespace 682 #endif 683 684 } // namespace aarch32 685 } // namespace vixl 686
