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(Sadd16) \ 117 M(Sadd8) \ 118 M(Sasx) \ 119 M(Ssax) \ 120 M(Ssub16) \ 121 M(Ssub8) \ 122 M(Uadd16) \ 123 M(Uadd8) \ 124 M(Uasx) \ 125 M(Usax) \ 126 M(Usub16) \ 127 M(Usub8) 128 129 130 // The following definitions are defined again in each generated test, therefore 131 // we need to place them in an anomymous namespace. It expresses that they are 132 // local to this file only, and the compiler is not allowed to share these types 133 // across test files during template instantiation. Specifically, `Operands` and 134 // `Inputs` have various layouts across generated tests so they absolutely 135 // cannot be shared. 136 137 #ifdef VIXL_INCLUDE_TARGET_T32 138 namespace { 139 140 // Values to be passed to the assembler to produce the instruction under test. 141 struct Operands { 142 Condition cond; 143 Register rd; 144 Register rn; 145 Register rm; 146 }; 147 148 // Input data to feed to the instruction. 149 struct Inputs { 150 uint32_t apsr; 151 uint32_t qbit; 152 uint32_t ge; 153 uint32_t rd; 154 uint32_t rn; 155 uint32_t rm; 156 }; 157 158 // This structure contains all input data needed to test one specific encoding. 159 // It used to generate a loop over an instruction. 160 struct TestLoopData { 161 // The `operands` fields represents the values to pass to the assembler to 162 // produce the instruction. 163 Operands operands; 164 // Description of the operands, used for error reporting. 165 const char* operands_description; 166 // Unique identifier, used for generating traces. 167 const char* identifier; 168 // Array of values to be fed to the instruction. 169 size_t input_size; 170 const Inputs* inputs; 171 }; 172 173 static const Inputs kGE[] = 174 {{NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffe, 0x00007fff}, 175 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000001, 0xffffff83}, 176 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff80, 0x00007ffd}, 177 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0xffffffe0}, 178 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0xffff8003}, 179 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0x0000007f}, 180 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8001, 0x33333333}, 181 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0x00007fff}, 182 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x0000007d}, 183 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0xffffff80}, 184 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0x00000001}, 185 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007e, 0xffff8003}, 186 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0xffff8003}, 187 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000000, 0x00007ffd}, 188 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0xcccccccc}, 189 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0xffffffff}, 190 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xcccccccc}, 191 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0xffffff82}, 192 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffe0, 0xffff8002}, 193 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff81, 0x00000002}, 194 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x7ffffffe}, 195 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000000, 0xfffffffe}, 196 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0xffffff82}, 197 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0x00007ffd}, 198 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x00000020}, 199 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffe, 0x0000007e}, 200 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0x00000001}, 201 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000000, 0x0000007f}, 202 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffe, 0xffff8002}, 203 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8001, 0x55555555}, 204 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8003, 0x00000002}, 205 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000001, 0xffffffe0}, 206 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff80, 0x00000002}, 207 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffd, 0x0000007e}, 208 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0xffff8001}, 209 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xffffff82}, 210 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff80, 0xfffffffd}, 211 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffff8000}, 212 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0x7ffffffd}, 213 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffd, 0x7fffffff}, 214 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x33333333, 0x80000001}, 215 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffe, 0xffffff82}, 216 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffe0, 0xffffff82}, 217 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8001, 0x00000001}, 218 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0xffff8003}, 219 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0xffffffff}, 220 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffe, 0x00000002}, 221 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x00000020}, 222 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0xffff8000}, 223 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8001, 0xaaaaaaaa}, 224 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffe, 0x33333333}, 225 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0xcccccccc}, 226 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x33333333, 0xaaaaaaaa}, 227 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0xffff8002}, 228 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0x00007ffd}, 229 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007d, 0xffff8002}, 230 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x00007ffd}, 231 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0x7ffffffd}, 232 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0xffff8002}, 233 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0x00000002}, 234 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007fff, 0x0000007f}, 235 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffe0, 0x7ffffffe}, 236 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffd, 0xfffffffd}, 237 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0x0000007e}, 238 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0x80000001}, 239 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0x0000007f}, 240 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xaaaaaaaa, 0xffffff82}, 241 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0xaaaaaaaa}, 242 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0xffffff81}, 243 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x55555555, 0x00000020}, 244 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8001, 0x80000000}, 245 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0x80000000}, 246 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0x0000007f}, 247 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0xffffff82}, 248 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffd, 0x7ffffffe}, 249 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffff, 0x7fffffff}, 250 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffd, 0x80000000}, 251 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0xffffff80}, 252 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffd, 0xaaaaaaaa}, 253 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffe0, 0xffff8001}, 254 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000000, 0xffff8000}, 255 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0xffffff83}, 256 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0x00000001}, 257 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffe, 0x7fffffff}, 258 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000002, 0x00007fff}, 259 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007fff, 0x00007fff}, 260 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffe, 0x00000001}, 261 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8001, 0x7ffffffe}, 262 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0x80000001}, 263 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x55555555}, 264 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff83, 0xfffffffd}, 265 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000001, 0x00007ffe}, 266 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x0000007f}, 267 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0x55555555}, 268 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0x00007fff}, 269 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000002, 0xffffff82}, 270 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffff, 0x0000007f}, 271 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0xffffff81}, 272 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0xffffff80}, 273 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0xffffff82}, 274 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x00007ffd}, 275 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0xffff8003}, 276 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x0000007f}, 277 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x00000020}, 278 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0x00000002}, 279 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffe, 0xfffffffd}, 280 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x7ffffffd}, 281 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x33333333}, 282 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000000, 0x00007ffe}, 283 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0xfffffffe}, 284 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0x7fffffff}, 285 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x00000001}, 286 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0xffffff80}, 287 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0x0000007d}, 288 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0xffffff81}, 289 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x0000007e}, 290 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0x33333333}, 291 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0xffffff83}, 292 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0xffffffff}, 293 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xcccccccc, 0xcccccccc}, 294 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0x00000002}, 295 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x7ffffffd}, 296 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007d, 0xcccccccc}, 297 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0x00000000}, 298 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffd, 0x00000002}, 299 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffff, 0x00000020}, 300 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0xffff8002}, 301 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0xffffff83}, 302 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x80000001}, 303 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x55555555, 0xffffffff}, 304 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x00000001}, 305 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffe, 0x00000001}, 306 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007d, 0x80000000}, 307 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0x0000007d}, 308 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0xffffff83}, 309 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0xffffff81}, 310 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0xffff8003}, 311 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x0000007d}, 312 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffe, 0xffff8001}, 313 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0x7fffffff}, 314 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0xffff8002}, 315 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0xffffff80}, 316 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0x7ffffffd}, 317 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8000, 0x7ffffffd}, 318 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0xfffffffd}, 319 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff82, 0xffff8002}, 320 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007e, 0x33333333}, 321 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8001, 0x00000000}, 322 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8001, 0x7ffffffd}, 323 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xcccccccc, 0xffff8003}, 324 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffd, 0xffff8000}, 325 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007d, 0xaaaaaaaa}, 326 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000020, 0xffff8003}, 327 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffe, 0xffff8001}, 328 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffe, 0x55555555}, 329 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000001, 0xffffff83}, 330 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0xfffffffe}, 331 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8003, 0x0000007f}, 332 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0x33333333}, 333 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0x00007ffd}, 334 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00007ffe}, 335 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff81, 0xffffff81}, 336 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8000, 0x00007ffd}, 337 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffe, 0x33333333}, 338 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0xaaaaaaaa}, 339 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0xfffffffe}, 340 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000000, 0x7ffffffe}, 341 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x00000020}, 342 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8001, 0x00007ffd}, 343 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff80, 0xaaaaaaaa}, 344 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff81, 0xffffff80}, 345 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000002, 0x00000000}, 346 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0x33333333}, 347 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007fff, 0x0000007e}, 348 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000000, 0x80000000}, 349 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007d, 0x00007fff}, 350 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0xffffff83}, 351 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007f, 0x0000007d}, 352 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x33333333, 0x0000007d}, 353 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xfffffffd, 0x80000001}, 354 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0xffffff81}, 355 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0xffffff81}, 356 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007e, 0xfffffffe}, 357 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0x7ffffffd}, 358 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffe, 0xffffff81}, 359 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007e, 0xffff8002}, 360 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000000, 0xffffff81}, 361 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffff, 0x33333333}, 362 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007e, 0xffffff80}, 363 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0xaaaaaaaa}, 364 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7fffffff, 0x0000007d}, 365 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000001, 0x00000002}, 366 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff82, 0x33333333}, 367 {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007e, 0xffffffff}, 368 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0x00007ffe}, 369 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0xfffffffe}, 370 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0xffff8001}, 371 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x7ffffffd, 0x33333333}, 372 {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffff8003}, 373 {NoFlag, NoFlag, NoFlag, 0xabababab, 0x0000007d, 0x0000007d}}; 374 375 376 // A loop will be generated for each element of this array. 377 const TestLoopData kTests[] = {{{al, r12, r0, r10}, 378 "al r12 r0 r10", 379 "GE_al_r12_r0_r10", 380 ARRAY_SIZE(kGE), 381 kGE}}; 382 383 // We record all inputs to the instructions as outputs. This way, we also check 384 // that what shouldn't change didn't change. 385 struct TestResult { 386 size_t output_size; 387 const Inputs* outputs; 388 }; 389 390 // These headers each contain an array of `TestResult` with the reference output 391 // values. The reference arrays are names `kReference{mnemonic}`. 392 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-sadd16-t32.h" 393 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-sadd8-t32.h" 394 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-sasx-t32.h" 395 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-ssax-t32.h" 396 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-ssub16-t32.h" 397 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-ssub8-t32.h" 398 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-uadd16-t32.h" 399 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-uadd8-t32.h" 400 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-uasx-t32.h" 401 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-usax-t32.h" 402 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-usub16-t32.h" 403 #include "aarch32/traces/simulator-cond-rd-rn-rm-ge-usub8-t32.h" 404 405 406 // The maximum number of errors to report in detail for each test. 407 const unsigned kErrorReportLimit = 8; 408 409 typedef void (MacroAssembler::*Fn)(Condition cond, 410 Register rd, 411 Register rn, 412 Register rm); 413 414 void TestHelper(Fn instruction, 415 const char* mnemonic, 416 const TestResult reference[]) { 417 SETUP(); 418 masm.UseT32(); 419 START(); 420 421 // Data to compare to `reference`. 422 TestResult* results[ARRAY_SIZE(kTests)]; 423 424 // Test cases for memory bound instructions may allocate a buffer and save its 425 // address in this array. 426 byte* scratch_memory_buffers[ARRAY_SIZE(kTests)]; 427 428 // Generate a loop for each element in `kTests`. Each loop tests one specific 429 // instruction. 430 for (unsigned i = 0; i < ARRAY_SIZE(kTests); i++) { 431 // Allocate results on the heap for this test. 432 results[i] = new TestResult; 433 results[i]->outputs = new Inputs[kTests[i].input_size]; 434 results[i]->output_size = kTests[i].input_size; 435 436 size_t input_stride = sizeof(kTests[i].inputs[0]) * kTests[i].input_size; 437 VIXL_ASSERT(IsUint32(input_stride)); 438 439 scratch_memory_buffers[i] = NULL; 440 441 Label loop; 442 UseScratchRegisterScope scratch_registers(&masm); 443 // Include all registers from r0 ro r12. 444 scratch_registers.Include(RegisterList(0x1fff)); 445 446 // Values to pass to the macro-assembler. 447 Condition cond = kTests[i].operands.cond; 448 Register rd = kTests[i].operands.rd; 449 Register rn = kTests[i].operands.rn; 450 Register rm = kTests[i].operands.rm; 451 scratch_registers.Exclude(rd); 452 scratch_registers.Exclude(rn); 453 scratch_registers.Exclude(rm); 454 455 // Allocate reserved registers for our own use. 456 Register input_ptr = scratch_registers.Acquire(); 457 Register input_end = scratch_registers.Acquire(); 458 Register result_ptr = scratch_registers.Acquire(); 459 460 // Initialize `input_ptr` to the first element and `input_end` the address 461 // after the array. 462 __ Mov(input_ptr, Operand::From(kTests[i].inputs)); 463 __ Add(input_end, input_ptr, static_cast<uint32_t>(input_stride)); 464 __ Mov(result_ptr, Operand::From(results[i]->outputs)); 465 __ Bind(&loop); 466 467 { 468 UseScratchRegisterScope temp_registers(&masm); 469 Register nzcv_bits = temp_registers.Acquire(); 470 Register saved_q_bit = temp_registers.Acquire(); 471 // Save the `Q` bit flag. 472 __ Mrs(saved_q_bit, APSR); 473 __ And(saved_q_bit, saved_q_bit, QFlag); 474 // Set the `NZCV` and `Q` flags together. 475 __ Ldr(nzcv_bits, MemOperand(input_ptr, offsetof(Inputs, apsr))); 476 __ Orr(nzcv_bits, nzcv_bits, saved_q_bit); 477 __ Msr(APSR_nzcvq, nzcv_bits); 478 } 479 { 480 UseScratchRegisterScope temp_registers(&masm); 481 Register q_bit = temp_registers.Acquire(); 482 Register saved_nzcv_bits = temp_registers.Acquire(); 483 // Save the `NZCV` flags. 484 __ Mrs(saved_nzcv_bits, APSR); 485 __ And(saved_nzcv_bits, saved_nzcv_bits, NZCVFlag); 486 // Set the `NZCV` and `Q` flags together. 487 __ Ldr(q_bit, MemOperand(input_ptr, offsetof(Inputs, qbit))); 488 __ Orr(q_bit, q_bit, saved_nzcv_bits); 489 __ Msr(APSR_nzcvq, q_bit); 490 } 491 { 492 UseScratchRegisterScope temp_registers(&masm); 493 Register ge_bits = temp_registers.Acquire(); 494 __ Ldr(ge_bits, MemOperand(input_ptr, offsetof(Inputs, ge))); 495 __ Msr(APSR_g, ge_bits); 496 } 497 __ Ldr(rd, MemOperand(input_ptr, offsetof(Inputs, rd))); 498 __ Ldr(rn, MemOperand(input_ptr, offsetof(Inputs, rn))); 499 __ Ldr(rm, MemOperand(input_ptr, offsetof(Inputs, rm))); 500 501 (masm.*instruction)(cond, rd, rn, rm); 502 503 { 504 UseScratchRegisterScope temp_registers(&masm); 505 Register nzcv_bits = temp_registers.Acquire(); 506 __ Mrs(nzcv_bits, APSR); 507 // Only record the NZCV bits. 508 __ And(nzcv_bits, nzcv_bits, NZCVFlag); 509 __ Str(nzcv_bits, MemOperand(result_ptr, offsetof(Inputs, apsr))); 510 } 511 { 512 UseScratchRegisterScope temp_registers(&masm); 513 Register q_bit = temp_registers.Acquire(); 514 __ Mrs(q_bit, APSR); 515 // Only record the Q bit. 516 __ And(q_bit, q_bit, QFlag); 517 __ Str(q_bit, MemOperand(result_ptr, offsetof(Inputs, qbit))); 518 } 519 { 520 UseScratchRegisterScope temp_registers(&masm); 521 Register ge_bits = temp_registers.Acquire(); 522 __ Mrs(ge_bits, APSR); 523 // Only record the GE bits. 524 __ And(ge_bits, ge_bits, GEFlags); 525 __ Str(ge_bits, MemOperand(result_ptr, offsetof(Inputs, ge))); 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].apsr); 552 printf(", "); 553 printf("0x%08" PRIx32, results[i]->outputs[j].qbit); 554 printf(", "); 555 printf("0x%08" PRIx32, results[i]->outputs[j].ge); 556 printf(", "); 557 printf("0x%08" PRIx32, results[i]->outputs[j].rd); 558 printf(", "); 559 printf("0x%08" PRIx32, results[i]->outputs[j].rn); 560 printf(", "); 561 printf("0x%08" PRIx32, results[i]->outputs[j].rm); 562 printf(" },\n"); 563 } 564 printf("};\n"); 565 } 566 printf("const TestResult kReference%s[] = {\n", mnemonic); 567 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) { 568 printf(" {\n"); 569 printf(" ARRAY_SIZE(kOutputs_%s_%s),\n", 570 mnemonic, 571 kTests[i].identifier); 572 printf(" kOutputs_%s_%s,\n", mnemonic, kTests[i].identifier); 573 printf(" },\n"); 574 } 575 printf("};\n"); 576 } else if (kCheckSimulatorTestResults) { 577 // Check the results. 578 unsigned total_error_count = 0; 579 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) { 580 bool instruction_has_errors = false; 581 for (size_t j = 0; j < kTests[i].input_size; j++) { 582 uint32_t apsr = results[i]->outputs[j].apsr; 583 uint32_t qbit = results[i]->outputs[j].qbit; 584 uint32_t ge = results[i]->outputs[j].ge; 585 uint32_t rd = results[i]->outputs[j].rd; 586 uint32_t rn = results[i]->outputs[j].rn; 587 uint32_t rm = results[i]->outputs[j].rm; 588 uint32_t apsr_input = kTests[i].inputs[j].apsr; 589 uint32_t qbit_input = kTests[i].inputs[j].qbit; 590 uint32_t ge_input = kTests[i].inputs[j].ge; 591 uint32_t rd_input = kTests[i].inputs[j].rd; 592 uint32_t rn_input = kTests[i].inputs[j].rn; 593 uint32_t rm_input = kTests[i].inputs[j].rm; 594 uint32_t apsr_ref = reference[i].outputs[j].apsr; 595 uint32_t qbit_ref = reference[i].outputs[j].qbit; 596 uint32_t ge_ref = reference[i].outputs[j].ge; 597 uint32_t rd_ref = reference[i].outputs[j].rd; 598 uint32_t rn_ref = reference[i].outputs[j].rn; 599 uint32_t rm_ref = reference[i].outputs[j].rm; 600 601 if (((apsr != apsr_ref) || (qbit != qbit_ref) || (ge != ge_ref) || 602 (rd != rd_ref) || (rn != rn_ref) || (rm != rm_ref)) && 603 (++total_error_count <= kErrorReportLimit)) { 604 // Print the instruction once even if it triggered multiple failures. 605 if (!instruction_has_errors) { 606 printf("Error(s) when testing \"%s %s\":\n", 607 mnemonic, 608 kTests[i].operands_description); 609 instruction_has_errors = true; 610 } 611 // Print subsequent errors. 612 printf(" Input: "); 613 printf("0x%08" PRIx32, apsr_input); 614 printf(", "); 615 printf("0x%08" PRIx32, qbit_input); 616 printf(", "); 617 printf("0x%08" PRIx32, ge_input); 618 printf(", "); 619 printf("0x%08" PRIx32, rd_input); 620 printf(", "); 621 printf("0x%08" PRIx32, rn_input); 622 printf(", "); 623 printf("0x%08" PRIx32, rm_input); 624 printf("\n"); 625 printf(" Expected: "); 626 printf("0x%08" PRIx32, apsr_ref); 627 printf(", "); 628 printf("0x%08" PRIx32, qbit_ref); 629 printf(", "); 630 printf("0x%08" PRIx32, ge_ref); 631 printf(", "); 632 printf("0x%08" PRIx32, rd_ref); 633 printf(", "); 634 printf("0x%08" PRIx32, rn_ref); 635 printf(", "); 636 printf("0x%08" PRIx32, rm_ref); 637 printf("\n"); 638 printf(" Found: "); 639 printf("0x%08" PRIx32, apsr); 640 printf(", "); 641 printf("0x%08" PRIx32, qbit); 642 printf(", "); 643 printf("0x%08" PRIx32, ge); 644 printf(", "); 645 printf("0x%08" PRIx32, rd); 646 printf(", "); 647 printf("0x%08" PRIx32, rn); 648 printf(", "); 649 printf("0x%08" PRIx32, rm); 650 printf("\n\n"); 651 } 652 } 653 } 654 655 if (total_error_count > kErrorReportLimit) { 656 printf("%u other errors follow.\n", 657 total_error_count - kErrorReportLimit); 658 } 659 VIXL_CHECK(total_error_count == 0); 660 } else { 661 VIXL_WARNING("Assembled the code, but did not run anything.\n"); 662 } 663 664 for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) { 665 delete[] results[i]->outputs; 666 delete results[i]; 667 delete[] scratch_memory_buffers[i]; 668 } 669 } 670 671 // Instantiate tests for each instruction in the list. 672 // TODO: Remove this limitation by having a sandboxing mechanism. 673 #if defined(VIXL_HOST_POINTER_32) 674 #define TEST(mnemonic) \ 675 void Test_##mnemonic() { \ 676 TestHelper(&MacroAssembler::mnemonic, #mnemonic, kReference##mnemonic); \ 677 } \ 678 Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_GE_" #mnemonic "_T32", \ 679 &Test_##mnemonic); 680 #else 681 #define TEST(mnemonic) \ 682 void Test_##mnemonic() { \ 683 VIXL_WARNING("This test can only run on a 32-bit host.\n"); \ 684 USE(TestHelper); \ 685 } \ 686 Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_GE_" #mnemonic "_T32", \ 687 &Test_##mnemonic); 688 #endif 689 690 FOREACH_INSTRUCTION(TEST) 691 #undef TEST 692 693 } // namespace 694 #endif 695 696 } // namespace aarch32 697 } // namespace vixl 698
