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-assembler-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 45 #define BUF_SIZE (4096) 46 47 namespace vixl { 48 namespace aarch32 { 49 50 // List of instruction mnemonics. 51 #define FOREACH_INSTRUCTION(M) M(mvn) 52 53 54 // The following definitions are defined again in each generated test, therefore 55 // we need to place them in an anomymous namespace. It expresses that they are 56 // local to this file only, and the compiler is not allowed to share these types 57 // across test files during template instantiation. Specifically, `Operands` has 58 // various layouts across generated tests so it absolutely cannot be shared. 59 60 #ifdef VIXL_INCLUDE_TARGET_T32 61 namespace { 62 63 // Values to be passed to the assembler to produce the instruction under test. 64 struct Operands { 65 Condition cond; 66 Register rd; 67 Register rn; 68 }; 69 70 // This structure contains all data needed to test one specific 71 // instruction. 72 struct TestData { 73 // The `operands` field represents what to pass to the assembler to 74 // produce the instruction. 75 Operands operands; 76 // True if we need to generate an IT instruction for this test to be valid. 77 bool in_it_block; 78 // The condition to give the IT instruction, this will be set to "al" by 79 // default. 80 Condition it_condition; 81 // Description of the operands, used for error reporting. 82 const char* operands_description; 83 // Unique identifier, used for generating traces. 84 const char* identifier; 85 }; 86 87 struct TestResult { 88 size_t size; 89 const byte* encoding; 90 }; 91 92 // Each element of this array produce one instruction encoding. 93 const TestData kTests[] = {{{eq, r0, r0}, true, eq, "eq r0 r0", "eq_r0_r0"}, 94 {{eq, r1, r1}, true, eq, "eq r1 r1", "eq_r1_r1"}, 95 {{eq, r2, r2}, true, eq, "eq r2 r2", "eq_r2_r2"}, 96 {{eq, r3, r3}, true, eq, "eq r3 r3", "eq_r3_r3"}, 97 {{eq, r4, r4}, true, eq, "eq r4 r4", "eq_r4_r4"}, 98 {{eq, r5, r5}, true, eq, "eq r5 r5", "eq_r5_r5"}, 99 {{eq, r6, r6}, true, eq, "eq r6 r6", "eq_r6_r6"}, 100 {{eq, r7, r7}, true, eq, "eq r7 r7", "eq_r7_r7"}, 101 {{ne, r0, r0}, true, ne, "ne r0 r0", "ne_r0_r0"}, 102 {{ne, r1, r1}, true, ne, "ne r1 r1", "ne_r1_r1"}, 103 {{ne, r2, r2}, true, ne, "ne r2 r2", "ne_r2_r2"}, 104 {{ne, r3, r3}, true, ne, "ne r3 r3", "ne_r3_r3"}, 105 {{ne, r4, r4}, true, ne, "ne r4 r4", "ne_r4_r4"}, 106 {{ne, r5, r5}, true, ne, "ne r5 r5", "ne_r5_r5"}, 107 {{ne, r6, r6}, true, ne, "ne r6 r6", "ne_r6_r6"}, 108 {{ne, r7, r7}, true, ne, "ne r7 r7", "ne_r7_r7"}, 109 {{cs, r0, r0}, true, cs, "cs r0 r0", "cs_r0_r0"}, 110 {{cs, r1, r1}, true, cs, "cs r1 r1", "cs_r1_r1"}, 111 {{cs, r2, r2}, true, cs, "cs r2 r2", "cs_r2_r2"}, 112 {{cs, r3, r3}, true, cs, "cs r3 r3", "cs_r3_r3"}, 113 {{cs, r4, r4}, true, cs, "cs r4 r4", "cs_r4_r4"}, 114 {{cs, r5, r5}, true, cs, "cs r5 r5", "cs_r5_r5"}, 115 {{cs, r6, r6}, true, cs, "cs r6 r6", "cs_r6_r6"}, 116 {{cs, r7, r7}, true, cs, "cs r7 r7", "cs_r7_r7"}, 117 {{cc, r0, r0}, true, cc, "cc r0 r0", "cc_r0_r0"}, 118 {{cc, r1, r1}, true, cc, "cc r1 r1", "cc_r1_r1"}, 119 {{cc, r2, r2}, true, cc, "cc r2 r2", "cc_r2_r2"}, 120 {{cc, r3, r3}, true, cc, "cc r3 r3", "cc_r3_r3"}, 121 {{cc, r4, r4}, true, cc, "cc r4 r4", "cc_r4_r4"}, 122 {{cc, r5, r5}, true, cc, "cc r5 r5", "cc_r5_r5"}, 123 {{cc, r6, r6}, true, cc, "cc r6 r6", "cc_r6_r6"}, 124 {{cc, r7, r7}, true, cc, "cc r7 r7", "cc_r7_r7"}, 125 {{mi, r0, r0}, true, mi, "mi r0 r0", "mi_r0_r0"}, 126 {{mi, r1, r1}, true, mi, "mi r1 r1", "mi_r1_r1"}, 127 {{mi, r2, r2}, true, mi, "mi r2 r2", "mi_r2_r2"}, 128 {{mi, r3, r3}, true, mi, "mi r3 r3", "mi_r3_r3"}, 129 {{mi, r4, r4}, true, mi, "mi r4 r4", "mi_r4_r4"}, 130 {{mi, r5, r5}, true, mi, "mi r5 r5", "mi_r5_r5"}, 131 {{mi, r6, r6}, true, mi, "mi r6 r6", "mi_r6_r6"}, 132 {{mi, r7, r7}, true, mi, "mi r7 r7", "mi_r7_r7"}, 133 {{pl, r0, r0}, true, pl, "pl r0 r0", "pl_r0_r0"}, 134 {{pl, r1, r1}, true, pl, "pl r1 r1", "pl_r1_r1"}, 135 {{pl, r2, r2}, true, pl, "pl r2 r2", "pl_r2_r2"}, 136 {{pl, r3, r3}, true, pl, "pl r3 r3", "pl_r3_r3"}, 137 {{pl, r4, r4}, true, pl, "pl r4 r4", "pl_r4_r4"}, 138 {{pl, r5, r5}, true, pl, "pl r5 r5", "pl_r5_r5"}, 139 {{pl, r6, r6}, true, pl, "pl r6 r6", "pl_r6_r6"}, 140 {{pl, r7, r7}, true, pl, "pl r7 r7", "pl_r7_r7"}, 141 {{vs, r0, r0}, true, vs, "vs r0 r0", "vs_r0_r0"}, 142 {{vs, r1, r1}, true, vs, "vs r1 r1", "vs_r1_r1"}, 143 {{vs, r2, r2}, true, vs, "vs r2 r2", "vs_r2_r2"}, 144 {{vs, r3, r3}, true, vs, "vs r3 r3", "vs_r3_r3"}, 145 {{vs, r4, r4}, true, vs, "vs r4 r4", "vs_r4_r4"}, 146 {{vs, r5, r5}, true, vs, "vs r5 r5", "vs_r5_r5"}, 147 {{vs, r6, r6}, true, vs, "vs r6 r6", "vs_r6_r6"}, 148 {{vs, r7, r7}, true, vs, "vs r7 r7", "vs_r7_r7"}, 149 {{vc, r0, r0}, true, vc, "vc r0 r0", "vc_r0_r0"}, 150 {{vc, r1, r1}, true, vc, "vc r1 r1", "vc_r1_r1"}, 151 {{vc, r2, r2}, true, vc, "vc r2 r2", "vc_r2_r2"}, 152 {{vc, r3, r3}, true, vc, "vc r3 r3", "vc_r3_r3"}, 153 {{vc, r4, r4}, true, vc, "vc r4 r4", "vc_r4_r4"}, 154 {{vc, r5, r5}, true, vc, "vc r5 r5", "vc_r5_r5"}, 155 {{vc, r6, r6}, true, vc, "vc r6 r6", "vc_r6_r6"}, 156 {{vc, r7, r7}, true, vc, "vc r7 r7", "vc_r7_r7"}, 157 {{hi, r0, r0}, true, hi, "hi r0 r0", "hi_r0_r0"}, 158 {{hi, r1, r1}, true, hi, "hi r1 r1", "hi_r1_r1"}, 159 {{hi, r2, r2}, true, hi, "hi r2 r2", "hi_r2_r2"}, 160 {{hi, r3, r3}, true, hi, "hi r3 r3", "hi_r3_r3"}, 161 {{hi, r4, r4}, true, hi, "hi r4 r4", "hi_r4_r4"}, 162 {{hi, r5, r5}, true, hi, "hi r5 r5", "hi_r5_r5"}, 163 {{hi, r6, r6}, true, hi, "hi r6 r6", "hi_r6_r6"}, 164 {{hi, r7, r7}, true, hi, "hi r7 r7", "hi_r7_r7"}, 165 {{ls, r0, r0}, true, ls, "ls r0 r0", "ls_r0_r0"}, 166 {{ls, r1, r1}, true, ls, "ls r1 r1", "ls_r1_r1"}, 167 {{ls, r2, r2}, true, ls, "ls r2 r2", "ls_r2_r2"}, 168 {{ls, r3, r3}, true, ls, "ls r3 r3", "ls_r3_r3"}, 169 {{ls, r4, r4}, true, ls, "ls r4 r4", "ls_r4_r4"}, 170 {{ls, r5, r5}, true, ls, "ls r5 r5", "ls_r5_r5"}, 171 {{ls, r6, r6}, true, ls, "ls r6 r6", "ls_r6_r6"}, 172 {{ls, r7, r7}, true, ls, "ls r7 r7", "ls_r7_r7"}, 173 {{ge, r0, r0}, true, ge, "ge r0 r0", "ge_r0_r0"}, 174 {{ge, r1, r1}, true, ge, "ge r1 r1", "ge_r1_r1"}, 175 {{ge, r2, r2}, true, ge, "ge r2 r2", "ge_r2_r2"}, 176 {{ge, r3, r3}, true, ge, "ge r3 r3", "ge_r3_r3"}, 177 {{ge, r4, r4}, true, ge, "ge r4 r4", "ge_r4_r4"}, 178 {{ge, r5, r5}, true, ge, "ge r5 r5", "ge_r5_r5"}, 179 {{ge, r6, r6}, true, ge, "ge r6 r6", "ge_r6_r6"}, 180 {{ge, r7, r7}, true, ge, "ge r7 r7", "ge_r7_r7"}, 181 {{lt, r0, r0}, true, lt, "lt r0 r0", "lt_r0_r0"}, 182 {{lt, r1, r1}, true, lt, "lt r1 r1", "lt_r1_r1"}, 183 {{lt, r2, r2}, true, lt, "lt r2 r2", "lt_r2_r2"}, 184 {{lt, r3, r3}, true, lt, "lt r3 r3", "lt_r3_r3"}, 185 {{lt, r4, r4}, true, lt, "lt r4 r4", "lt_r4_r4"}, 186 {{lt, r5, r5}, true, lt, "lt r5 r5", "lt_r5_r5"}, 187 {{lt, r6, r6}, true, lt, "lt r6 r6", "lt_r6_r6"}, 188 {{lt, r7, r7}, true, lt, "lt r7 r7", "lt_r7_r7"}, 189 {{gt, r0, r0}, true, gt, "gt r0 r0", "gt_r0_r0"}, 190 {{gt, r1, r1}, true, gt, "gt r1 r1", "gt_r1_r1"}, 191 {{gt, r2, r2}, true, gt, "gt r2 r2", "gt_r2_r2"}, 192 {{gt, r3, r3}, true, gt, "gt r3 r3", "gt_r3_r3"}, 193 {{gt, r4, r4}, true, gt, "gt r4 r4", "gt_r4_r4"}, 194 {{gt, r5, r5}, true, gt, "gt r5 r5", "gt_r5_r5"}, 195 {{gt, r6, r6}, true, gt, "gt r6 r6", "gt_r6_r6"}, 196 {{gt, r7, r7}, true, gt, "gt r7 r7", "gt_r7_r7"}, 197 {{le, r0, r0}, true, le, "le r0 r0", "le_r0_r0"}, 198 {{le, r1, r1}, true, le, "le r1 r1", "le_r1_r1"}, 199 {{le, r2, r2}, true, le, "le r2 r2", "le_r2_r2"}, 200 {{le, r3, r3}, true, le, "le r3 r3", "le_r3_r3"}, 201 {{le, r4, r4}, true, le, "le r4 r4", "le_r4_r4"}, 202 {{le, r5, r5}, true, le, "le r5 r5", "le_r5_r5"}, 203 {{le, r6, r6}, true, le, "le r6 r6", "le_r6_r6"}, 204 {{le, r7, r7}, true, le, "le r7 r7", "le_r7_r7"}}; 205 206 // These headers each contain an array of `TestResult` with the reference output 207 // values. The reference arrays are names `kReference{mnemonic}`. 208 #include "aarch32/traces/assembler-cond-rd-operand-rn-identical-low-registers-in-it-block-mvn-t32.h" 209 210 211 // The maximum number of errors to report in detail for each test. 212 const unsigned kErrorReportLimit = 8; 213 214 typedef void (MacroAssembler::*Fn)(Condition cond, 215 Register rd, 216 const Operand& op); 217 218 void TestHelper(Fn instruction, 219 const char* mnemonic, 220 const TestResult reference[]) { 221 unsigned total_error_count = 0; 222 MacroAssembler masm(BUF_SIZE); 223 224 masm.UseT32(); 225 226 for (unsigned i = 0; i < ARRAY_SIZE(kTests); i++) { 227 // Values to pass to the macro-assembler. 228 Condition cond = kTests[i].operands.cond; 229 Register rd = kTests[i].operands.rd; 230 Register rn = kTests[i].operands.rn; 231 Operand op(rn); 232 233 int32_t start = masm.GetCursorOffset(); 234 { 235 // We never generate more that 4 bytes, as IT instructions are only 236 // allowed for narrow encodings. 237 ExactAssemblyScope scope(&masm, 4, ExactAssemblyScope::kMaximumSize); 238 if (kTests[i].in_it_block) { 239 masm.it(kTests[i].it_condition); 240 } 241 (masm.*instruction)(cond, rd, op); 242 } 243 int32_t end = masm.GetCursorOffset(); 244 245 const byte* result_ptr = 246 masm.GetBuffer()->GetOffsetAddress<const byte*>(start); 247 VIXL_ASSERT(start < end); 248 uint32_t result_size = end - start; 249 250 if (Test::generate_test_trace()) { 251 // Print the result bytes. 252 printf("const byte kInstruction_%s_%s[] = {\n", 253 mnemonic, 254 kTests[i].identifier); 255 for (uint32_t j = 0; j < result_size; j++) { 256 if (j == 0) { 257 printf(" 0x%02" PRIx8, result_ptr[j]); 258 } else { 259 printf(", 0x%02" PRIx8, result_ptr[j]); 260 } 261 } 262 // This comment is meant to be used by external tools to validate 263 // the encoding. We can parse the comment to figure out what 264 // instruction this corresponds to. 265 if (kTests[i].in_it_block) { 266 printf(" // It %s; %s %s\n};\n", 267 kTests[i].it_condition.GetName(), 268 mnemonic, 269 kTests[i].operands_description); 270 } else { 271 printf(" // %s %s\n};\n", mnemonic, kTests[i].operands_description); 272 } 273 } else { 274 // Check we've emitted the exact same encoding as present in the 275 // trace file. Only print up to `kErrorReportLimit` errors. 276 if (((result_size != reference[i].size) || 277 (memcmp(result_ptr, reference[i].encoding, reference[i].size) != 278 0)) && 279 (++total_error_count <= kErrorReportLimit)) { 280 printf("Error when testing \"%s\" with operands \"%s\":\n", 281 mnemonic, 282 kTests[i].operands_description); 283 printf(" Expected: "); 284 for (uint32_t j = 0; j < reference[i].size; j++) { 285 if (j == 0) { 286 printf("0x%02" PRIx8, reference[i].encoding[j]); 287 } else { 288 printf(", 0x%02" PRIx8, reference[i].encoding[j]); 289 } 290 } 291 printf("\n"); 292 printf(" Found: "); 293 for (uint32_t j = 0; j < result_size; j++) { 294 if (j == 0) { 295 printf("0x%02" PRIx8, result_ptr[j]); 296 } else { 297 printf(", 0x%02" PRIx8, result_ptr[j]); 298 } 299 } 300 printf("\n"); 301 } 302 } 303 } 304 305 masm.FinalizeCode(); 306 307 if (Test::generate_test_trace()) { 308 // Finalize the trace file by writing the final `TestResult` array 309 // which links all generated instruction encodings. 310 printf("const TestResult kReference%s[] = {\n", mnemonic); 311 for (unsigned i = 0; i < ARRAY_SIZE(kTests); i++) { 312 printf(" {\n"); 313 printf(" ARRAY_SIZE(kInstruction_%s_%s),\n", 314 mnemonic, 315 kTests[i].identifier); 316 printf(" kInstruction_%s_%s,\n", mnemonic, kTests[i].identifier); 317 printf(" },\n"); 318 } 319 printf("};\n"); 320 } else { 321 if (total_error_count > kErrorReportLimit) { 322 printf("%u other errors follow.\n", 323 total_error_count - kErrorReportLimit); 324 } 325 // Crash if the test failed. 326 VIXL_CHECK(total_error_count == 0); 327 } 328 } 329 330 // Instantiate tests for each instruction in the list. 331 #define TEST(mnemonic) \ 332 void Test_##mnemonic() { \ 333 TestHelper(&MacroAssembler::mnemonic, #mnemonic, kReference##mnemonic); \ 334 } \ 335 Test test_##mnemonic( \ 336 "AARCH32_ASSEMBLER_COND_RD_OPERAND_RN_IDENTICAL_LOW_REGISTERS_IN_IT_" \ 337 "BLOCK_" #mnemonic "_T32", \ 338 &Test_##mnemonic); 339 FOREACH_INSTRUCTION(TEST) 340 #undef TEST 341 342 } // namespace 343 #endif 344 345 } // namespace aarch32 346 } // namespace vixl 347
