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(Qadd) \ 117 M(Qdadd) \ 118 M(Qdsub) \ 119 M(Qsub) 120 121 122 // The following definitions are defined again in each generated test, therefore 123 // we need to place them in an anomymous namespace. It expresses that they are 124 // local to this file only, and the compiler is not allowed to share these types 125 // across test files during template instantiation. Specifically, `Operands` and 126 // `Inputs` have various layouts across generated tests so they absolutely 127 // cannot be shared. 128 129 #ifdef VIXL_INCLUDE_TARGET_A32 130 namespace { 131 132 // Values to be passed to the assembler to produce the instruction under test. 133 struct Operands { 134 Condition cond; 135 Register rd; 136 Register rn; 137 Register rm; 138 }; 139 140 // Input data to feed to the instruction. 141 struct Inputs { 142 uint32_t apsr; 143 uint32_t qbit; 144 uint32_t ge; 145 uint32_t rd; 146 uint32_t rn; 147 uint32_t rm; 148 }; 149 150 // This structure contains all input data needed to test one specific encoding. 151 // It used to generate a loop over an instruction. 152 struct TestLoopData { 153 // The `operands` fields represents the values to pass to the assembler to 154 // produce the instruction. 155 Operands operands; 156 // Description of the operands, used for error reporting. 157 const char* operands_description; 158 // Unique identifier, used for generating traces. 159 const char* identifier; 160 // Array of values to be fed to the instruction. 161 size_t input_size; 162 const Inputs* inputs; 163 }; 164 165 static const Inputs kQOutput[] = 166 {{NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff80, 0x0000007f}, 167 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000001, 0xffff8001}, 168 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007f, 0x00007fff}, 169 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8001, 0x80000000}, 170 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff81, 0x00000002}, 171 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x00000002}, 172 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000000, 0x00000002}, 173 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8003, 0x7fffffff}, 174 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000002, 0x0000007d}, 175 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x55555555}, 176 {NoFlag, QFlag, NoFlag, 0xabababab, 0x55555555, 0x00000020}, 177 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0xffffffff}, 178 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0xcccccccc}, 179 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x80000000}, 180 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x00000001}, 181 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x00007ffe}, 182 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0xffffff80}, 183 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007d, 0x00007fff}, 184 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xffffff80}, 185 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x7ffffffd}, 186 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0x55555555}, 187 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8000, 0xffffffe0}, 188 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0x00000020}, 189 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007f, 0x0000007d}, 190 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffe0, 0x00007ffe}, 191 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffe, 0xffffff83}, 192 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffe, 0x0000007d}, 193 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x00000000}, 194 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007ffe, 0xffff8002}, 195 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffffff82}, 196 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffe0, 0x7fffffff}, 197 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x00000002}, 198 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007f, 0xfffffffd}, 199 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0xaaaaaaaa}, 200 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0x80000000}, 201 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffe, 0x0000007f}, 202 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007d, 0xffff8002}, 203 {NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0x80000000}, 204 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8000, 0x00007ffd}, 205 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0xffffffff}, 206 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0xfffffffd}, 207 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8000, 0xfffffffe}, 208 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff83, 0xffffff83}, 209 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007ffe, 0xfffffffd}, 210 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x00000002}, 211 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0x00000001}, 212 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000001, 0x0000007e}, 213 {NoFlag, QFlag, NoFlag, 0xabababab, 0xfffffffe, 0x7ffffffd}, 214 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7fffffff, 0x00000020}, 215 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0x00000001}, 216 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0x0000007e}, 217 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007f, 0xffff8000}, 218 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007d, 0x7ffffffe}, 219 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffe, 0x0000007e}, 220 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0xfffffffe}, 221 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0x33333333}, 222 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x00007fff}, 223 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0xffffff83}, 224 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffff, 0xffff8000}, 225 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7ffffffd, 0xcccccccc}, 226 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0xffffffe0}, 227 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0x00007ffe}, 228 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xaaaaaaaa, 0x00000020}, 229 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007e, 0xffff8002}, 230 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x7ffffffd}, 231 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0x80000001}, 232 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0x0000007f}, 233 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0xffff8003}, 234 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0x00007fff}, 235 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffd, 0x00000002}, 236 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff81, 0x80000000}, 237 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0x33333333}, 238 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0x00007ffd}, 239 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000001, 0xcccccccc}, 240 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xaaaaaaaa, 0x7fffffff}, 241 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000000, 0x00007ffd}, 242 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0x80000001}, 243 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x00007fff}, 244 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffff, 0xffff8003}, 245 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0x33333333}, 246 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00000002}, 247 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffff, 0xffff8001}, 248 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff82, 0xffffff82}, 249 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000020, 0xffff8002}, 250 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x00007ffd}, 251 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x0000007d}, 252 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0xaaaaaaaa}, 253 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x33333333}, 254 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000002, 0xffff8000}, 255 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0xffffff83}, 256 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x7ffffffe}, 257 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff82, 0xffffff81}, 258 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0x0000007f}, 259 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff80, 0x0000007d}, 260 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8001, 0xffff8000}, 261 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x00000000}, 262 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000002, 0x80000000}, 263 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff80, 0x00000020}, 264 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0x00000001}, 265 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0xaaaaaaaa}, 266 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000001, 0x33333333}, 267 {NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0x00000020}, 268 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffe, 0xffffffe0}, 269 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x00000002}, 270 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffff8000}, 271 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00000001}, 272 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0x7fffffff}, 273 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffff, 0x7ffffffe}, 274 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x00007ffd}, 275 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000020, 0x00007fff}, 276 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff83, 0xfffffffd}, 277 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x55555555}, 278 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0x0000007e}, 279 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xcccccccc}, 280 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007d, 0xffffff81}, 281 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffffff80}, 282 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007ffd, 0x00000000}, 283 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0xcccccccc}, 284 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000020, 0xaaaaaaaa}, 285 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x00000001}, 286 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0xffffff82}, 287 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0xffff8003}, 288 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xffff8003}, 289 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0xffff8000}, 290 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000002, 0xffff8001}, 291 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0xffffff80}, 292 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8000, 0x0000007f}, 293 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0xffffffe0}, 294 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x55555555, 0x0000007f}, 295 {NoFlag, QFlag, NoFlag, 0xabababab, 0xfffffffd, 0xffffffe0}, 296 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff80, 0x00000001}, 297 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000020, 0xffffff83}, 298 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7fffffff, 0x00007ffd}, 299 {NoFlag, QFlag, NoFlag, 0xabababab, 0x55555555, 0x80000000}, 300 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0xffff8001}, 301 {NoFlag, QFlag, NoFlag, 0xabababab, 0xfffffffd, 0x00000002}, 302 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7ffffffe, 0x0000007e}, 303 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff83, 0xffff8001}, 304 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffffff81}, 305 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8002, 0xfffffffe}, 306 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x0000007f}, 307 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0xcccccccc}, 308 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000002, 0x00000002}, 309 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0x7ffffffd}, 310 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0xffff8001}, 311 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0x00007ffe}, 312 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00007fff}, 313 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0x55555555}, 314 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007fff, 0xffff8001}, 315 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0x55555555}, 316 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0xffff8003}, 317 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7ffffffe, 0xffffff81}, 318 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x55555555, 0x7ffffffe}, 319 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000001, 0x00007fff}, 320 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000002, 0x7ffffffd}, 321 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff82, 0xfffffffd}, 322 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff82, 0x0000007f}, 323 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x00007ffd}, 324 {NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0xfffffffe}, 325 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007fff, 0x80000000}, 326 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8003, 0xffff8003}, 327 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffff8003}, 328 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0xffffff81}, 329 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x7ffffffd}, 330 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000001, 0xffff8002}, 331 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007e, 0x00000001}, 332 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007fff, 0xffffffe0}, 333 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff81, 0x7fffffff}, 334 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffffffe0}, 335 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0xffff8000}, 336 {NoFlag, QFlag, NoFlag, 0xabababab, 0x80000000, 0x00007ffd}, 337 {NoFlag, QFlag, NoFlag, 0xabababab, 0x0000007d, 0x00000001}, 338 {NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffff8003}, 339 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x0000007f}, 340 {NoFlag, QFlag, NoFlag, 0xabababab, 0x33333333, 0x00000000}, 341 {NoFlag, QFlag, NoFlag, 0xabababab, 0x7fffffff, 0x80000000}, 342 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffe, 0x00007ffd}, 343 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0x7ffffffd}, 344 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000020, 0xffff8003}, 345 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x00007fff}, 346 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007ffe, 0xffff8003}, 347 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffe, 0xffffff82}, 348 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffffff81, 0xcccccccc}, 349 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00007fff, 0x00007ffd}, 350 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x00000001}, 351 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x80000001}, 352 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0x33333333}, 353 {NoFlag, QFlag, NoFlag, 0xabababab, 0x33333333, 0x7fffffff}, 354 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0x00000002}, 355 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xffffff81}, 356 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x80000001}, 357 {NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffffffff}, 358 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0xffff8001}, 359 {NoFlag, QFlag, NoFlag, 0xabababab, 0xfffffffd, 0xffffff81}, 360 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000002, 0x0000007f}, 361 {NoFlag, QFlag, NoFlag, 0xabababab, 0xcccccccc, 0xaaaaaaaa}, 362 {NoFlag, QFlag, NoFlag, 0xabababab, 0x00000000, 0x0000007f}, 363 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000001, 0xffffff80}, 364 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00000020}, 365 {NoFlag, QFlag, NoFlag, 0xabababab, 0xffff8000, 0x00000020}}; 366 367 368 // A loop will be generated for each element of this array. 369 const TestLoopData kTests[] = {{{al, r0, r9, r10}, 370 "al r0 r9 r10", 371 "QOutput_al_r0_r9_r10", 372 ARRAY_SIZE(kQOutput), 373 kQOutput}}; 374 375 // We record all inputs to the instructions as outputs. This way, we also check 376 // that what shouldn't change didn't change. 377 struct TestResult { 378 size_t output_size; 379 const Inputs* outputs; 380 }; 381 382 // These headers each contain an array of `TestResult` with the reference output 383 // values. The reference arrays are names `kReference{mnemonic}`. 384 #include "aarch32/traces/simulator-cond-rd-rn-rm-q-qadd-a32.h" 385 #include "aarch32/traces/simulator-cond-rd-rn-rm-q-qdadd-a32.h" 386 #include "aarch32/traces/simulator-cond-rd-rn-rm-q-qdsub-a32.h" 387 #include "aarch32/traces/simulator-cond-rd-rn-rm-q-qsub-a32.h" 388 389 390 // The maximum number of errors to report in detail for each test. 391 const unsigned kErrorReportLimit = 8; 392 393 typedef void (MacroAssembler::*Fn)(Condition cond, 394 Register rd, 395 Register rn, 396 Register rm); 397 398 void TestHelper(Fn instruction, 399 const char* mnemonic, 400 const TestResult reference[]) { 401 SETUP(); 402 masm.UseA32(); 403 START(); 404 405 // Data to compare to `reference`. 406 TestResult* results[ARRAY_SIZE(kTests)]; 407 408 // Test cases for memory bound instructions may allocate a buffer and save its 409 // address in this array. 410 byte* scratch_memory_buffers[ARRAY_SIZE(kTests)]; 411 412 // Generate a loop for each element in `kTests`. Each loop tests one specific 413 // instruction. 414 for (unsigned i = 0; i < ARRAY_SIZE(kTests); i++) { 415 // Allocate results on the heap for this test. 416 results[i] = new TestResult; 417 results[i]->outputs = new Inputs[kTests[i].input_size]; 418 results[i]->output_size = kTests[i].input_size; 419 420 size_t input_stride = sizeof(kTests[i].inputs[0]) * kTests[i].input_size; 421 VIXL_ASSERT(IsUint32(input_stride)); 422 423 scratch_memory_buffers[i] = NULL; 424 425 Label loop; 426 UseScratchRegisterScope scratch_registers(&masm); 427 // Include all registers from r0 ro r12. 428 scratch_registers.Include(RegisterList(0x1fff)); 429 430 // Values to pass to the macro-assembler. 431 Condition cond = kTests[i].operands.cond; 432 Register rd = kTests[i].operands.rd; 433 Register rn = kTests[i].operands.rn; 434 Register rm = kTests[i].operands.rm; 435 scratch_registers.Exclude(rd); 436 scratch_registers.Exclude(rn); 437 scratch_registers.Exclude(rm); 438 439 // Allocate reserved registers for our own use. 440 Register input_ptr = scratch_registers.Acquire(); 441 Register input_end = scratch_registers.Acquire(); 442 Register result_ptr = scratch_registers.Acquire(); 443 444 // Initialize `input_ptr` to the first element and `input_end` the address 445 // after the array. 446 __ Mov(input_ptr, Operand::From(kTests[i].inputs)); 447 __ Add(input_end, input_ptr, static_cast<uint32_t>(input_stride)); 448 __ Mov(result_ptr, Operand::From(results[i]->outputs)); 449 __ Bind(&loop); 450 451 { 452 UseScratchRegisterScope temp_registers(&masm); 453 Register nzcv_bits = temp_registers.Acquire(); 454 Register saved_q_bit = temp_registers.Acquire(); 455 // Save the `Q` bit flag. 456 __ Mrs(saved_q_bit, APSR); 457 __ And(saved_q_bit, saved_q_bit, QFlag); 458 // Set the `NZCV` and `Q` flags together. 459 __ Ldr(nzcv_bits, MemOperand(input_ptr, offsetof(Inputs, apsr))); 460 __ Orr(nzcv_bits, nzcv_bits, saved_q_bit); 461 __ Msr(APSR_nzcvq, nzcv_bits); 462 } 463 { 464 UseScratchRegisterScope temp_registers(&masm); 465 Register q_bit = temp_registers.Acquire(); 466 Register saved_nzcv_bits = temp_registers.Acquire(); 467 // Save the `NZCV` flags. 468 __ Mrs(saved_nzcv_bits, APSR); 469 __ And(saved_nzcv_bits, saved_nzcv_bits, NZCVFlag); 470 // Set the `NZCV` and `Q` flags together. 471 __ Ldr(q_bit, MemOperand(input_ptr, offsetof(Inputs, qbit))); 472 __ Orr(q_bit, q_bit, saved_nzcv_bits); 473 __ Msr(APSR_nzcvq, q_bit); 474 } 475 { 476 UseScratchRegisterScope temp_registers(&masm); 477 Register ge_bits = temp_registers.Acquire(); 478 __ Ldr(ge_bits, MemOperand(input_ptr, offsetof(Inputs, ge))); 479 __ Msr(APSR_g, ge_bits); 480 } 481 __ Ldr(rd, MemOperand(input_ptr, offsetof(Inputs, rd))); 482 __ Ldr(rn, MemOperand(input_ptr, offsetof(Inputs, rn))); 483 __ Ldr(rm, MemOperand(input_ptr, offsetof(Inputs, rm))); 484 485 (masm.*instruction)(cond, rd, rn, rm); 486 487 { 488 UseScratchRegisterScope temp_registers(&masm); 489 Register nzcv_bits = temp_registers.Acquire(); 490 __ Mrs(nzcv_bits, APSR); 491 // Only record the NZCV bits. 492 __ And(nzcv_bits, nzcv_bits, NZCVFlag); 493 __ Str(nzcv_bits, MemOperand(result_ptr, offsetof(Inputs, apsr))); 494 } 495 { 496 UseScratchRegisterScope temp_registers(&masm); 497 Register q_bit = temp_registers.Acquire(); 498 __ Mrs(q_bit, APSR); 499 // Only record the Q bit. 500 __ And(q_bit, q_bit, QFlag); 501 __ Str(q_bit, MemOperand(result_ptr, offsetof(Inputs, qbit))); 502 } 503 { 504 UseScratchRegisterScope temp_registers(&masm); 505 Register ge_bits = temp_registers.Acquire(); 506 __ Mrs(ge_bits, APSR); 507 // Only record the GE bits. 508 __ And(ge_bits, ge_bits, GEFlags); 509 __ Str(ge_bits, MemOperand(result_ptr, offsetof(Inputs, ge))); 510 } 511 __ Str(rd, MemOperand(result_ptr, offsetof(Inputs, rd))); 512 __ Str(rn, MemOperand(result_ptr, offsetof(Inputs, rn))); 513 __ Str(rm, MemOperand(result_ptr, offsetof(Inputs, rm))); 514 515 // Advance the result pointer. 516 __ Add(result_ptr, result_ptr, Operand::From(sizeof(kTests[i].inputs[0]))); 517 // Loop back until `input_ptr` is lower than `input_base`. 518 __ Add(input_ptr, input_ptr, Operand::From(sizeof(kTests[i].inputs[0]))); 519 __ Cmp(input_ptr, input_end); 520 __ B(ne, &loop); 521 } 522 523 END(); 524 525 RUN(); 526 527 if (Test::generate_test_trace()) { 528 // Print the results. 529 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) { 530 printf("const Inputs kOutputs_%s_%s[] = {\n", 531 mnemonic, 532 kTests[i].identifier); 533 for (size_t j = 0; j < results[i]->output_size; j++) { 534 printf(" { "); 535 printf("0x%08" PRIx32, results[i]->outputs[j].apsr); 536 printf(", "); 537 printf("0x%08" PRIx32, results[i]->outputs[j].qbit); 538 printf(", "); 539 printf("0x%08" PRIx32, results[i]->outputs[j].ge); 540 printf(", "); 541 printf("0x%08" PRIx32, results[i]->outputs[j].rd); 542 printf(", "); 543 printf("0x%08" PRIx32, results[i]->outputs[j].rn); 544 printf(", "); 545 printf("0x%08" PRIx32, results[i]->outputs[j].rm); 546 printf(" },\n"); 547 } 548 printf("};\n"); 549 } 550 printf("const TestResult kReference%s[] = {\n", mnemonic); 551 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) { 552 printf(" {\n"); 553 printf(" ARRAY_SIZE(kOutputs_%s_%s),\n", 554 mnemonic, 555 kTests[i].identifier); 556 printf(" kOutputs_%s_%s,\n", mnemonic, kTests[i].identifier); 557 printf(" },\n"); 558 } 559 printf("};\n"); 560 } else if (kCheckSimulatorTestResults) { 561 // Check the results. 562 unsigned total_error_count = 0; 563 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) { 564 bool instruction_has_errors = false; 565 for (size_t j = 0; j < kTests[i].input_size; j++) { 566 uint32_t apsr = results[i]->outputs[j].apsr; 567 uint32_t qbit = results[i]->outputs[j].qbit; 568 uint32_t ge = results[i]->outputs[j].ge; 569 uint32_t rd = results[i]->outputs[j].rd; 570 uint32_t rn = results[i]->outputs[j].rn; 571 uint32_t rm = results[i]->outputs[j].rm; 572 uint32_t apsr_input = kTests[i].inputs[j].apsr; 573 uint32_t qbit_input = kTests[i].inputs[j].qbit; 574 uint32_t ge_input = kTests[i].inputs[j].ge; 575 uint32_t rd_input = kTests[i].inputs[j].rd; 576 uint32_t rn_input = kTests[i].inputs[j].rn; 577 uint32_t rm_input = kTests[i].inputs[j].rm; 578 uint32_t apsr_ref = reference[i].outputs[j].apsr; 579 uint32_t qbit_ref = reference[i].outputs[j].qbit; 580 uint32_t ge_ref = reference[i].outputs[j].ge; 581 uint32_t rd_ref = reference[i].outputs[j].rd; 582 uint32_t rn_ref = reference[i].outputs[j].rn; 583 uint32_t rm_ref = reference[i].outputs[j].rm; 584 585 if (((apsr != apsr_ref) || (qbit != qbit_ref) || (ge != ge_ref) || 586 (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, apsr_input); 598 printf(", "); 599 printf("0x%08" PRIx32, qbit_input); 600 printf(", "); 601 printf("0x%08" PRIx32, ge_input); 602 printf(", "); 603 printf("0x%08" PRIx32, rd_input); 604 printf(", "); 605 printf("0x%08" PRIx32, rn_input); 606 printf(", "); 607 printf("0x%08" PRIx32, rm_input); 608 printf("\n"); 609 printf(" Expected: "); 610 printf("0x%08" PRIx32, apsr_ref); 611 printf(", "); 612 printf("0x%08" PRIx32, qbit_ref); 613 printf(", "); 614 printf("0x%08" PRIx32, ge_ref); 615 printf(", "); 616 printf("0x%08" PRIx32, rd_ref); 617 printf(", "); 618 printf("0x%08" PRIx32, rn_ref); 619 printf(", "); 620 printf("0x%08" PRIx32, rm_ref); 621 printf("\n"); 622 printf(" Found: "); 623 printf("0x%08" PRIx32, apsr); 624 printf(", "); 625 printf("0x%08" PRIx32, qbit); 626 printf(", "); 627 printf("0x%08" PRIx32, ge); 628 printf(", "); 629 printf("0x%08" PRIx32, rd); 630 printf(", "); 631 printf("0x%08" PRIx32, rn); 632 printf(", "); 633 printf("0x%08" PRIx32, rm); 634 printf("\n\n"); 635 } 636 } 637 } 638 639 if (total_error_count > kErrorReportLimit) { 640 printf("%u other errors follow.\n", 641 total_error_count - kErrorReportLimit); 642 } 643 VIXL_CHECK(total_error_count == 0); 644 } else { 645 VIXL_WARNING("Assembled the code, but did not run anything.\n"); 646 } 647 648 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) { 649 delete[] results[i]->outputs; 650 delete results[i]; 651 delete[] scratch_memory_buffers[i]; 652 } 653 } 654 655 // Instantiate tests for each instruction in the list. 656 // TODO: Remove this limitation by having a sandboxing mechanism. 657 #if defined(VIXL_HOST_POINTER_32) 658 #define TEST(mnemonic) \ 659 void Test_##mnemonic() { \ 660 TestHelper(&MacroAssembler::mnemonic, #mnemonic, kReference##mnemonic); \ 661 } \ 662 Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_Q_" #mnemonic "_A32", \ 663 &Test_##mnemonic); 664 #else 665 #define TEST(mnemonic) \ 666 void Test_##mnemonic() { \ 667 VIXL_WARNING("This test can only run on a 32-bit host.\n"); \ 668 USE(TestHelper); \ 669 } \ 670 Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_Q_" #mnemonic "_A32", \ 671 &Test_##mnemonic); 672 #endif 673 674 FOREACH_INSTRUCTION(TEST) 675 #undef TEST 676 677 } // namespace 678 #endif 679 680 } // namespace aarch32 681 } // namespace vixl 682
