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      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) \
     52   M(add)                       \
     53   M(sub)
     54 
     55 
     56 // The following definitions are defined again in each generated test, therefore
     57 // we need to place them in an anomymous namespace. It expresses that they are
     58 // local to this file only, and the compiler is not allowed to share these types
     59 // across test files during template instantiation. Specifically, `Operands` has
     60 // various layouts across generated tests so it absolutely cannot be shared.
     61 
     62 #ifdef VIXL_INCLUDE_TARGET_T32
     63 namespace {
     64 
     65 // Values to be passed to the assembler to produce the instruction under test.
     66 struct Operands {
     67   Condition cond;
     68   Register rd;
     69   Register rn;
     70   uint32_t immediate;
     71 };
     72 
     73 // This structure contains all data needed to test one specific
     74 // instruction.
     75 struct TestData {
     76   // The `operands` field represents what to pass to the assembler to
     77   // produce the instruction.
     78   Operands operands;
     79   // True if we need to generate an IT instruction for this test to be valid.
     80   bool in_it_block;
     81   // The condition to give the IT instruction, this will be set to "al" by
     82   // default.
     83   Condition it_condition;
     84   // Description of the operands, used for error reporting.
     85   const char* operands_description;
     86   // Unique identifier, used for generating traces.
     87   const char* identifier;
     88 };
     89 
     90 struct TestResult {
     91   size_t size;
     92   const byte* encoding;
     93 };
     94 
     95 // Each element of this array produce one instruction encoding.
     96 const TestData kTests[] =
     97     {{{al, sp, sp, 0x0}, false, al, "al sp sp 0x0", "al_sp_sp_0x0"},
     98      {{al, sp, sp, 0x4}, false, al, "al sp sp 0x4", "al_sp_sp_0x4"},
     99      {{al, sp, sp, 0x8}, false, al, "al sp sp 0x8", "al_sp_sp_0x8"},
    100      {{al, sp, sp, 0xc}, false, al, "al sp sp 0xc", "al_sp_sp_0xc"},
    101      {{al, sp, sp, 0x10}, false, al, "al sp sp 0x10", "al_sp_sp_0x10"},
    102      {{al, sp, sp, 0x14}, false, al, "al sp sp 0x14", "al_sp_sp_0x14"},
    103      {{al, sp, sp, 0x18}, false, al, "al sp sp 0x18", "al_sp_sp_0x18"},
    104      {{al, sp, sp, 0x1c}, false, al, "al sp sp 0x1c", "al_sp_sp_0x1c"},
    105      {{al, sp, sp, 0x20}, false, al, "al sp sp 0x20", "al_sp_sp_0x20"},
    106      {{al, sp, sp, 0x24}, false, al, "al sp sp 0x24", "al_sp_sp_0x24"},
    107      {{al, sp, sp, 0x28}, false, al, "al sp sp 0x28", "al_sp_sp_0x28"},
    108      {{al, sp, sp, 0x2c}, false, al, "al sp sp 0x2c", "al_sp_sp_0x2c"},
    109      {{al, sp, sp, 0x30}, false, al, "al sp sp 0x30", "al_sp_sp_0x30"},
    110      {{al, sp, sp, 0x34}, false, al, "al sp sp 0x34", "al_sp_sp_0x34"},
    111      {{al, sp, sp, 0x38}, false, al, "al sp sp 0x38", "al_sp_sp_0x38"},
    112      {{al, sp, sp, 0x3c}, false, al, "al sp sp 0x3c", "al_sp_sp_0x3c"},
    113      {{al, sp, sp, 0x40}, false, al, "al sp sp 0x40", "al_sp_sp_0x40"},
    114      {{al, sp, sp, 0x44}, false, al, "al sp sp 0x44", "al_sp_sp_0x44"},
    115      {{al, sp, sp, 0x48}, false, al, "al sp sp 0x48", "al_sp_sp_0x48"},
    116      {{al, sp, sp, 0x4c}, false, al, "al sp sp 0x4c", "al_sp_sp_0x4c"},
    117      {{al, sp, sp, 0x50}, false, al, "al sp sp 0x50", "al_sp_sp_0x50"},
    118      {{al, sp, sp, 0x54}, false, al, "al sp sp 0x54", "al_sp_sp_0x54"},
    119      {{al, sp, sp, 0x58}, false, al, "al sp sp 0x58", "al_sp_sp_0x58"},
    120      {{al, sp, sp, 0x5c}, false, al, "al sp sp 0x5c", "al_sp_sp_0x5c"},
    121      {{al, sp, sp, 0x60}, false, al, "al sp sp 0x60", "al_sp_sp_0x60"},
    122      {{al, sp, sp, 0x64}, false, al, "al sp sp 0x64", "al_sp_sp_0x64"},
    123      {{al, sp, sp, 0x68}, false, al, "al sp sp 0x68", "al_sp_sp_0x68"},
    124      {{al, sp, sp, 0x6c}, false, al, "al sp sp 0x6c", "al_sp_sp_0x6c"},
    125      {{al, sp, sp, 0x70}, false, al, "al sp sp 0x70", "al_sp_sp_0x70"},
    126      {{al, sp, sp, 0x74}, false, al, "al sp sp 0x74", "al_sp_sp_0x74"},
    127      {{al, sp, sp, 0x78}, false, al, "al sp sp 0x78", "al_sp_sp_0x78"},
    128      {{al, sp, sp, 0x7c}, false, al, "al sp sp 0x7c", "al_sp_sp_0x7c"},
    129      {{al, sp, sp, 0x80}, false, al, "al sp sp 0x80", "al_sp_sp_0x80"},
    130      {{al, sp, sp, 0x84}, false, al, "al sp sp 0x84", "al_sp_sp_0x84"},
    131      {{al, sp, sp, 0x88}, false, al, "al sp sp 0x88", "al_sp_sp_0x88"},
    132      {{al, sp, sp, 0x8c}, false, al, "al sp sp 0x8c", "al_sp_sp_0x8c"},
    133      {{al, sp, sp, 0x90}, false, al, "al sp sp 0x90", "al_sp_sp_0x90"},
    134      {{al, sp, sp, 0x94}, false, al, "al sp sp 0x94", "al_sp_sp_0x94"},
    135      {{al, sp, sp, 0x98}, false, al, "al sp sp 0x98", "al_sp_sp_0x98"},
    136      {{al, sp, sp, 0x9c}, false, al, "al sp sp 0x9c", "al_sp_sp_0x9c"},
    137      {{al, sp, sp, 0xa0}, false, al, "al sp sp 0xa0", "al_sp_sp_0xa0"},
    138      {{al, sp, sp, 0xa4}, false, al, "al sp sp 0xa4", "al_sp_sp_0xa4"},
    139      {{al, sp, sp, 0xa8}, false, al, "al sp sp 0xa8", "al_sp_sp_0xa8"},
    140      {{al, sp, sp, 0xac}, false, al, "al sp sp 0xac", "al_sp_sp_0xac"},
    141      {{al, sp, sp, 0xb0}, false, al, "al sp sp 0xb0", "al_sp_sp_0xb0"},
    142      {{al, sp, sp, 0xb4}, false, al, "al sp sp 0xb4", "al_sp_sp_0xb4"},
    143      {{al, sp, sp, 0xb8}, false, al, "al sp sp 0xb8", "al_sp_sp_0xb8"},
    144      {{al, sp, sp, 0xbc}, false, al, "al sp sp 0xbc", "al_sp_sp_0xbc"},
    145      {{al, sp, sp, 0xc0}, false, al, "al sp sp 0xc0", "al_sp_sp_0xc0"},
    146      {{al, sp, sp, 0xc4}, false, al, "al sp sp 0xc4", "al_sp_sp_0xc4"},
    147      {{al, sp, sp, 0xc8}, false, al, "al sp sp 0xc8", "al_sp_sp_0xc8"},
    148      {{al, sp, sp, 0xcc}, false, al, "al sp sp 0xcc", "al_sp_sp_0xcc"},
    149      {{al, sp, sp, 0xd0}, false, al, "al sp sp 0xd0", "al_sp_sp_0xd0"},
    150      {{al, sp, sp, 0xd4}, false, al, "al sp sp 0xd4", "al_sp_sp_0xd4"},
    151      {{al, sp, sp, 0xd8}, false, al, "al sp sp 0xd8", "al_sp_sp_0xd8"},
    152      {{al, sp, sp, 0xdc}, false, al, "al sp sp 0xdc", "al_sp_sp_0xdc"},
    153      {{al, sp, sp, 0xe0}, false, al, "al sp sp 0xe0", "al_sp_sp_0xe0"},
    154      {{al, sp, sp, 0xe4}, false, al, "al sp sp 0xe4", "al_sp_sp_0xe4"},
    155      {{al, sp, sp, 0xe8}, false, al, "al sp sp 0xe8", "al_sp_sp_0xe8"},
    156      {{al, sp, sp, 0xec}, false, al, "al sp sp 0xec", "al_sp_sp_0xec"},
    157      {{al, sp, sp, 0xf0}, false, al, "al sp sp 0xf0", "al_sp_sp_0xf0"},
    158      {{al, sp, sp, 0xf4}, false, al, "al sp sp 0xf4", "al_sp_sp_0xf4"},
    159      {{al, sp, sp, 0xf8}, false, al, "al sp sp 0xf8", "al_sp_sp_0xf8"},
    160      {{al, sp, sp, 0xfc}, false, al, "al sp sp 0xfc", "al_sp_sp_0xfc"},
    161      {{al, sp, sp, 0x100}, false, al, "al sp sp 0x100", "al_sp_sp_0x100"},
    162      {{al, sp, sp, 0x104}, false, al, "al sp sp 0x104", "al_sp_sp_0x104"},
    163      {{al, sp, sp, 0x108}, false, al, "al sp sp 0x108", "al_sp_sp_0x108"},
    164      {{al, sp, sp, 0x10c}, false, al, "al sp sp 0x10c", "al_sp_sp_0x10c"},
    165      {{al, sp, sp, 0x110}, false, al, "al sp sp 0x110", "al_sp_sp_0x110"},
    166      {{al, sp, sp, 0x114}, false, al, "al sp sp 0x114", "al_sp_sp_0x114"},
    167      {{al, sp, sp, 0x118}, false, al, "al sp sp 0x118", "al_sp_sp_0x118"},
    168      {{al, sp, sp, 0x11c}, false, al, "al sp sp 0x11c", "al_sp_sp_0x11c"},
    169      {{al, sp, sp, 0x120}, false, al, "al sp sp 0x120", "al_sp_sp_0x120"},
    170      {{al, sp, sp, 0x124}, false, al, "al sp sp 0x124", "al_sp_sp_0x124"},
    171      {{al, sp, sp, 0x128}, false, al, "al sp sp 0x128", "al_sp_sp_0x128"},
    172      {{al, sp, sp, 0x12c}, false, al, "al sp sp 0x12c", "al_sp_sp_0x12c"},
    173      {{al, sp, sp, 0x130}, false, al, "al sp sp 0x130", "al_sp_sp_0x130"},
    174      {{al, sp, sp, 0x134}, false, al, "al sp sp 0x134", "al_sp_sp_0x134"},
    175      {{al, sp, sp, 0x138}, false, al, "al sp sp 0x138", "al_sp_sp_0x138"},
    176      {{al, sp, sp, 0x13c}, false, al, "al sp sp 0x13c", "al_sp_sp_0x13c"},
    177      {{al, sp, sp, 0x140}, false, al, "al sp sp 0x140", "al_sp_sp_0x140"},
    178      {{al, sp, sp, 0x144}, false, al, "al sp sp 0x144", "al_sp_sp_0x144"},
    179      {{al, sp, sp, 0x148}, false, al, "al sp sp 0x148", "al_sp_sp_0x148"},
    180      {{al, sp, sp, 0x14c}, false, al, "al sp sp 0x14c", "al_sp_sp_0x14c"},
    181      {{al, sp, sp, 0x150}, false, al, "al sp sp 0x150", "al_sp_sp_0x150"},
    182      {{al, sp, sp, 0x154}, false, al, "al sp sp 0x154", "al_sp_sp_0x154"},
    183      {{al, sp, sp, 0x158}, false, al, "al sp sp 0x158", "al_sp_sp_0x158"},
    184      {{al, sp, sp, 0x15c}, false, al, "al sp sp 0x15c", "al_sp_sp_0x15c"},
    185      {{al, sp, sp, 0x160}, false, al, "al sp sp 0x160", "al_sp_sp_0x160"},
    186      {{al, sp, sp, 0x164}, false, al, "al sp sp 0x164", "al_sp_sp_0x164"},
    187      {{al, sp, sp, 0x168}, false, al, "al sp sp 0x168", "al_sp_sp_0x168"},
    188      {{al, sp, sp, 0x16c}, false, al, "al sp sp 0x16c", "al_sp_sp_0x16c"},
    189      {{al, sp, sp, 0x170}, false, al, "al sp sp 0x170", "al_sp_sp_0x170"},
    190      {{al, sp, sp, 0x174}, false, al, "al sp sp 0x174", "al_sp_sp_0x174"},
    191      {{al, sp, sp, 0x178}, false, al, "al sp sp 0x178", "al_sp_sp_0x178"},
    192      {{al, sp, sp, 0x17c}, false, al, "al sp sp 0x17c", "al_sp_sp_0x17c"},
    193      {{al, sp, sp, 0x180}, false, al, "al sp sp 0x180", "al_sp_sp_0x180"},
    194      {{al, sp, sp, 0x184}, false, al, "al sp sp 0x184", "al_sp_sp_0x184"},
    195      {{al, sp, sp, 0x188}, false, al, "al sp sp 0x188", "al_sp_sp_0x188"},
    196      {{al, sp, sp, 0x18c}, false, al, "al sp sp 0x18c", "al_sp_sp_0x18c"},
    197      {{al, sp, sp, 0x190}, false, al, "al sp sp 0x190", "al_sp_sp_0x190"},
    198      {{al, sp, sp, 0x194}, false, al, "al sp sp 0x194", "al_sp_sp_0x194"},
    199      {{al, sp, sp, 0x198}, false, al, "al sp sp 0x198", "al_sp_sp_0x198"},
    200      {{al, sp, sp, 0x19c}, false, al, "al sp sp 0x19c", "al_sp_sp_0x19c"},
    201      {{al, sp, sp, 0x1a0}, false, al, "al sp sp 0x1a0", "al_sp_sp_0x1a0"},
    202      {{al, sp, sp, 0x1a4}, false, al, "al sp sp 0x1a4", "al_sp_sp_0x1a4"},
    203      {{al, sp, sp, 0x1a8}, false, al, "al sp sp 0x1a8", "al_sp_sp_0x1a8"},
    204      {{al, sp, sp, 0x1ac}, false, al, "al sp sp 0x1ac", "al_sp_sp_0x1ac"},
    205      {{al, sp, sp, 0x1b0}, false, al, "al sp sp 0x1b0", "al_sp_sp_0x1b0"},
    206      {{al, sp, sp, 0x1b4}, false, al, "al sp sp 0x1b4", "al_sp_sp_0x1b4"},
    207      {{al, sp, sp, 0x1b8}, false, al, "al sp sp 0x1b8", "al_sp_sp_0x1b8"},
    208      {{al, sp, sp, 0x1bc}, false, al, "al sp sp 0x1bc", "al_sp_sp_0x1bc"},
    209      {{al, sp, sp, 0x1c0}, false, al, "al sp sp 0x1c0", "al_sp_sp_0x1c0"},
    210      {{al, sp, sp, 0x1c4}, false, al, "al sp sp 0x1c4", "al_sp_sp_0x1c4"},
    211      {{al, sp, sp, 0x1c8}, false, al, "al sp sp 0x1c8", "al_sp_sp_0x1c8"},
    212      {{al, sp, sp, 0x1cc}, false, al, "al sp sp 0x1cc", "al_sp_sp_0x1cc"},
    213      {{al, sp, sp, 0x1d0}, false, al, "al sp sp 0x1d0", "al_sp_sp_0x1d0"},
    214      {{al, sp, sp, 0x1d4}, false, al, "al sp sp 0x1d4", "al_sp_sp_0x1d4"},
    215      {{al, sp, sp, 0x1d8}, false, al, "al sp sp 0x1d8", "al_sp_sp_0x1d8"},
    216      {{al, sp, sp, 0x1dc}, false, al, "al sp sp 0x1dc", "al_sp_sp_0x1dc"},
    217      {{al, sp, sp, 0x1e0}, false, al, "al sp sp 0x1e0", "al_sp_sp_0x1e0"},
    218      {{al, sp, sp, 0x1e4}, false, al, "al sp sp 0x1e4", "al_sp_sp_0x1e4"},
    219      {{al, sp, sp, 0x1e8}, false, al, "al sp sp 0x1e8", "al_sp_sp_0x1e8"},
    220      {{al, sp, sp, 0x1ec}, false, al, "al sp sp 0x1ec", "al_sp_sp_0x1ec"},
    221      {{al, sp, sp, 0x1f0}, false, al, "al sp sp 0x1f0", "al_sp_sp_0x1f0"},
    222      {{al, sp, sp, 0x1f4}, false, al, "al sp sp 0x1f4", "al_sp_sp_0x1f4"},
    223      {{al, sp, sp, 0x1f8}, false, al, "al sp sp 0x1f8", "al_sp_sp_0x1f8"},
    224      {{al, sp, sp, 0x1fc}, false, al, "al sp sp 0x1fc", "al_sp_sp_0x1fc"}};
    225 
    226 // These headers each contain an array of `TestResult` with the reference output
    227 // values. The reference arrays are names `kReference{mnemonic}`.
    228 #include "aarch32/traces/assembler-cond-sp-sp-operand-imm7-t32-add.h"
    229 #include "aarch32/traces/assembler-cond-sp-sp-operand-imm7-t32-sub.h"
    230 
    231 
    232 // The maximum number of errors to report in detail for each test.
    233 const unsigned kErrorReportLimit = 8;
    234 
    235 typedef void (MacroAssembler::*Fn)(Condition cond,
    236                                    Register rd,
    237                                    Register rn,
    238                                    const Operand& op);
    239 
    240 void TestHelper(Fn instruction,
    241                 const char* mnemonic,
    242                 const TestResult reference[]) {
    243   unsigned total_error_count = 0;
    244   MacroAssembler masm(BUF_SIZE);
    245 
    246   masm.UseT32();
    247 
    248   for (unsigned i = 0; i < ARRAY_SIZE(kTests); i++) {
    249     // Values to pass to the macro-assembler.
    250     Condition cond = kTests[i].operands.cond;
    251     Register rd = kTests[i].operands.rd;
    252     Register rn = kTests[i].operands.rn;
    253     uint32_t immediate = kTests[i].operands.immediate;
    254     Operand op(immediate);
    255 
    256     int32_t start = masm.GetCursorOffset();
    257     {
    258       // We never generate more that 4 bytes, as IT instructions are only
    259       // allowed for narrow encodings.
    260       ExactAssemblyScope scope(&masm, 4, ExactAssemblyScope::kMaximumSize);
    261       if (kTests[i].in_it_block) {
    262         masm.it(kTests[i].it_condition);
    263       }
    264       (masm.*instruction)(cond, rd, rn, op);
    265     }
    266     int32_t end = masm.GetCursorOffset();
    267 
    268     const byte* result_ptr =
    269         masm.GetBuffer()->GetOffsetAddress<const byte*>(start);
    270     VIXL_ASSERT(start < end);
    271     uint32_t result_size = end - start;
    272 
    273     if (Test::generate_test_trace()) {
    274       // Print the result bytes.
    275       printf("const byte kInstruction_%s_%s[] = {\n",
    276              mnemonic,
    277              kTests[i].identifier);
    278       for (uint32_t j = 0; j < result_size; j++) {
    279         if (j == 0) {
    280           printf("  0x%02" PRIx8, result_ptr[j]);
    281         } else {
    282           printf(", 0x%02" PRIx8, result_ptr[j]);
    283         }
    284       }
    285       // This comment is meant to be used by external tools to validate
    286       // the encoding. We can parse the comment to figure out what
    287       // instruction this corresponds to.
    288       if (kTests[i].in_it_block) {
    289         printf(" // It %s; %s %s\n};\n",
    290                kTests[i].it_condition.GetName(),
    291                mnemonic,
    292                kTests[i].operands_description);
    293       } else {
    294         printf(" // %s %s\n};\n", mnemonic, kTests[i].operands_description);
    295       }
    296     } else {
    297       // Check we've emitted the exact same encoding as present in the
    298       // trace file. Only print up to `kErrorReportLimit` errors.
    299       if (((result_size != reference[i].size) ||
    300            (memcmp(result_ptr, reference[i].encoding, reference[i].size) !=
    301             0)) &&
    302           (++total_error_count <= kErrorReportLimit)) {
    303         printf("Error when testing \"%s\" with operands \"%s\":\n",
    304                mnemonic,
    305                kTests[i].operands_description);
    306         printf("  Expected: ");
    307         for (uint32_t j = 0; j < reference[i].size; j++) {
    308           if (j == 0) {
    309             printf("0x%02" PRIx8, reference[i].encoding[j]);
    310           } else {
    311             printf(", 0x%02" PRIx8, reference[i].encoding[j]);
    312           }
    313         }
    314         printf("\n");
    315         printf("  Found:    ");
    316         for (uint32_t j = 0; j < result_size; j++) {
    317           if (j == 0) {
    318             printf("0x%02" PRIx8, result_ptr[j]);
    319           } else {
    320             printf(", 0x%02" PRIx8, result_ptr[j]);
    321           }
    322         }
    323         printf("\n");
    324       }
    325     }
    326   }
    327 
    328   masm.FinalizeCode();
    329 
    330   if (Test::generate_test_trace()) {
    331     // Finalize the trace file by writing the final `TestResult` array
    332     // which links all generated instruction encodings.
    333     printf("const TestResult kReference%s[] = {\n", mnemonic);
    334     for (unsigned i = 0; i < ARRAY_SIZE(kTests); i++) {
    335       printf("  {\n");
    336       printf("    ARRAY_SIZE(kInstruction_%s_%s),\n",
    337              mnemonic,
    338              kTests[i].identifier);
    339       printf("    kInstruction_%s_%s,\n", mnemonic, kTests[i].identifier);
    340       printf("  },\n");
    341     }
    342     printf("};\n");
    343   } else {
    344     if (total_error_count > kErrorReportLimit) {
    345       printf("%u other errors follow.\n",
    346              total_error_count - kErrorReportLimit);
    347     }
    348     // Crash if the test failed.
    349     VIXL_CHECK(total_error_count == 0);
    350   }
    351 }
    352 
    353 // Instantiate tests for each instruction in the list.
    354 #define TEST(mnemonic)                                                      \
    355   void Test_##mnemonic() {                                                  \
    356     TestHelper(&MacroAssembler::mnemonic, #mnemonic, kReference##mnemonic); \
    357   }                                                                         \
    358   Test test_##mnemonic(                                                     \
    359       "AARCH32_ASSEMBLER_COND_SP_SP_OPERAND_IMM7_T32_" #mnemonic,           \
    360       &Test_##mnemonic);
    361 FOREACH_INSTRUCTION(TEST)
    362 #undef TEST
    363 
    364 }  // namespace
    365 #endif
    366 
    367 }  // namespace aarch32
    368 }  // namespace vixl
    369