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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-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) M(Sel)
    116 
    117 
    118 // The following definitions are defined again in each generated test, therefore
    119 // we need to place them in an anomymous namespace. It expresses that they are
    120 // local to this file only, and the compiler is not allowed to share these types
    121 // across test files during template instantiation. Specifically, `Operands` and
    122 // `Inputs` have various layouts across generated tests so they absolutely
    123 // cannot be shared.
    124 
    125 #ifdef VIXL_INCLUDE_TARGET_T32
    126 namespace {
    127 
    128 // Values to be passed to the assembler to produce the instruction under test.
    129 struct Operands {
    130   Condition cond;
    131   Register rd;
    132   Register rn;
    133   Register rm;
    134 };
    135 
    136 // Input data to feed to the instruction.
    137 struct Inputs {
    138   uint32_t apsr;
    139   uint32_t qbit;
    140   uint32_t ge;
    141   uint32_t rd;
    142   uint32_t rn;
    143   uint32_t rm;
    144 };
    145 
    146 // This structure contains all input data needed to test one specific encoding.
    147 // It used to generate a loop over an instruction.
    148 struct TestLoopData {
    149   // The `operands` fields represents the values to pass to the assembler to
    150   // produce the instruction.
    151   Operands operands;
    152   // Description of the operands, used for error reporting.
    153   const char* operands_description;
    154   // Unique identifier, used for generating traces.
    155   const char* identifier;
    156   // Array of values to be fed to the instruction.
    157   size_t input_size;
    158   const Inputs* inputs;
    159 };
    160 
    161 static const Inputs kGE[] =
    162     {{NoFlag, NoFlag, GE123Flag, 0xabababab, 0xfffffffe, 0x0000007e},
    163      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x7fffffff, 0xffffff82},
    164      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x7ffffffe, 0xffffff81},
    165      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x7fffffff, 0x0000007d},
    166      {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffff8003},
    167      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x00007ffe, 0xffffff83},
    168      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xaaaaaaaa, 0xfffffffd},
    169      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x80000000, 0x80000001},
    170      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffffff80, 0x7fffffff},
    171      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffff8000, 0xfffffffd},
    172      {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0x0000007e},
    173      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xffff8002, 0x00007ffe},
    174      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007ffe, 0x33333333},
    175      {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x00000001},
    176      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xfffffffe, 0x00000020},
    177      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x7ffffffd, 0x00000001},
    178      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffff80, 0x80000000},
    179      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x7ffffffe, 0xffffff83},
    180      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffe, 0x00000001},
    181      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x7ffffffe, 0x0000007f},
    182      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x00007fff, 0x80000001},
    183      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xaaaaaaaa, 0x0000007d},
    184      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffff8000, 0x0000007e},
    185      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x80000000, 0xffffff80},
    186      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xffffff82, 0x80000000},
    187      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8003, 0x00000000},
    188      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00000001, 0x7ffffffd},
    189      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x00007ffd, 0x00000001},
    190      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffffff83, 0xaaaaaaaa},
    191      {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffffff83},
    192      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x80000001, 0xffffff81},
    193      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xfffffffe, 0x00000000},
    194      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x00007ffd, 0x00000001},
    195      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffff8002, 0x00000002},
    196      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x00007fff, 0x0000007d},
    197      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x7ffffffd, 0xffffff80},
    198      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x80000000, 0xffffffff},
    199      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x00007fff},
    200      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffff8002, 0xffffff82},
    201      {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x0000007f},
    202      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffffff, 0xfffffffd},
    203      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00000001, 0x00000001},
    204      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x00007ffd, 0xaaaaaaaa},
    205      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x7fffffff, 0x0000007e},
    206      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x80000001, 0xffff8002},
    207      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffff8003, 0x80000000},
    208      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x33333333, 0xffffff80},
    209      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x7ffffffe, 0x00007ffd},
    210      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007fff, 0x00000000},
    211      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x00000001, 0x55555555},
    212      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x0000007e, 0xffff8003},
    213      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffd, 0x0000007e},
    214      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x80000000, 0x00000000},
    215      {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0x00007ffd},
    216      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xffffff82, 0xfffffffe},
    217      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffff8000, 0xffff8001},
    218      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x33333333, 0x0000007d},
    219      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000002, 0xffffff82},
    220      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x0000007f, 0x55555555},
    221      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffff81, 0xcccccccc},
    222      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffe, 0x33333333},
    223      {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0x80000001},
    224      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8001, 0xcccccccc},
    225      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x33333333, 0xaaaaaaaa},
    226      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007fff, 0x0000007f},
    227      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x0000007d, 0x00000001},
    228      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xffff8001, 0x00007ffd},
    229      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x0000007e, 0x80000001},
    230      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xffff8003, 0x00000000},
    231      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8002, 0xfffffffd},
    232      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffffff, 0xffffff80},
    233      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007fff, 0xffffffe0},
    234      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xaaaaaaaa, 0x00007fff},
    235      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffff8002, 0xffffffff},
    236      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x0000007e, 0xffffff81},
    237      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x7fffffff, 0x00007fff},
    238      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffff82, 0xffffff83},
    239      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xfffffffe, 0x7ffffffe},
    240      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x00007fff, 0xaaaaaaaa},
    241      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00000002, 0xffff8003},
    242      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffff80, 0x80000000},
    243      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x80000001},
    244      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x7fffffff, 0x0000007e},
    245      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x55555555, 0x00007fff},
    246      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffffff, 0x00007fff},
    247      {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0x7ffffffd},
    248      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffffff82, 0xffff8002},
    249      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0x0000007e},
    250      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x7ffffffe, 0xcccccccc},
    251      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xffff8002, 0xfffffffd},
    252      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffffff80, 0xffff8003},
    253      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x0000007e, 0xaaaaaaaa},
    254      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00007fff, 0xffffff83},
    255      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xfffffffe, 0x00007ffd},
    256      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xcccccccc, 0xffff8000},
    257      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x00007ffe, 0x7ffffffd},
    258      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x0000007f, 0x55555555},
    259      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x80000000, 0xffff8000},
    260      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffffff, 0xffffffe0},
    261      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x80000000},
    262      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x0000007d, 0xfffffffd},
    263      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffd, 0xffffffff},
    264      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x00007ffd, 0x7ffffffd},
    265      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffff8003, 0x00000002},
    266      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x55555555, 0xffff8001},
    267      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00000000, 0x00007fff},
    268      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x00000001, 0xffffff83},
    269      {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x00007ffe},
    270      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffff81, 0x80000001},
    271      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x0000007d, 0x00000002},
    272      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff80, 0x7ffffffd},
    273      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xcccccccc, 0xffff8000},
    274      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xcccccccc, 0xffffff81},
    275      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffffff81, 0x00000000},
    276      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x33333333, 0xffffff82},
    277      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffff83, 0xffffffe0},
    278      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xfffffffe, 0x0000007d},
    279      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x00000020, 0xffff8000},
    280      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x00000002, 0x00007ffe},
    281      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8000, 0xffffff80},
    282      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xfffffffe, 0xffffff81},
    283      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffffff, 0xffffffff},
    284      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x00007ffd, 0xffffff81},
    285      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xcccccccc, 0xffffff82},
    286      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007ffd, 0xfffffffd},
    287      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8002, 0x0000007d},
    288      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xaaaaaaaa, 0x0000007f},
    289      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffff8000, 0x7ffffffd},
    290      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xcccccccc, 0x00007ffe},
    291      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x0000007e, 0xffff8002},
    292      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffffe0, 0x7ffffffd},
    293      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xfffffffd, 0xffffff82},
    294      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xffff8002, 0x7fffffff},
    295      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x7ffffffe, 0xfffffffd},
    296      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x80000001, 0xffffffff},
    297      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007fff, 0x00000020},
    298      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffff82, 0xffff8001},
    299      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xffffff80, 0x00000000},
    300      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xaaaaaaaa, 0x00000001},
    301      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x55555555, 0xffff8003},
    302      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffffff82, 0x0000007e},
    303      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xfffffffd, 0x55555555},
    304      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00000002, 0xfffffffe},
    305      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x00007ffe, 0xfffffffd},
    306      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffff82, 0x7ffffffe},
    307      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffff80, 0x0000007d},
    308      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffff8003, 0xffffff82},
    309      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x55555555, 0x80000000},
    310      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x00000001, 0xffff8003},
    311      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x00000002, 0xffffff80},
    312      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffff, 0x00000002},
    313      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0x33333333},
    314      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8002, 0x55555555},
    315      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xfffffffd, 0x7ffffffd},
    316      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xcccccccc, 0xfffffffe},
    317      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x00000001, 0x33333333},
    318      {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0xffffff83},
    319      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0x0000007f},
    320      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffffff81, 0xffff8001},
    321      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffffffe0, 0x00007fff},
    322      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffffff80, 0x33333333},
    323      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00007ffe, 0x00007ffe},
    324      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x55555555, 0x00000002},
    325      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00000002, 0x7ffffffd},
    326      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffffff81, 0xffffff80},
    327      {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000001, 0x00007ffe},
    328      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffff8001, 0xffff8002},
    329      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xaaaaaaaa, 0x7ffffffd},
    330      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0xffff8003},
    331      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x80000000, 0xffffffff},
    332      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xfffffffe, 0x33333333},
    333      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x00000002, 0xffffff82},
    334      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x7ffffffe},
    335      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x00000002, 0x00000001},
    336      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0xffffffff},
    337      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x00007ffd, 0x00000001},
    338      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x55555555, 0x7fffffff},
    339      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xfffffffe, 0x00000002},
    340      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x0000007d, 0x7ffffffe},
    341      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x0000007d, 0x7fffffff},
    342      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffffff80, 0x7fffffff},
    343      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xffffff82, 0x00000001},
    344      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffffff82, 0xffffff80},
    345      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffff8003, 0xffff8000},
    346      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xfffffffe, 0xffffff82},
    347      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x0000007f, 0xffffffe0},
    348      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00000002, 0x00007ffe},
    349      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x0000007e, 0xffffff83},
    350      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007ffd, 0xffffffff},
    351      {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0xffff8001},
    352      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xffffffe0, 0x33333333},
    353      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xffffff83, 0xffffff83},
    354      {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0x00007fff},
    355      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x0000007d, 0x00007ffe},
    356      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x0000007d, 0xaaaaaaaa},
    357      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x0000007d, 0xaaaaaaaa},
    358      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xaaaaaaaa, 0x80000001},
    359      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x0000007d, 0x55555555},
    360      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xfffffffd, 0x00007ffd},
    361      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffff8001, 0xfffffffe}};
    362 
    363 
    364 // A loop will be generated for each element of this array.
    365 const TestLoopData kTests[] = {{{al, r9, r2, r10},
    366                                 "al r9 r2 r10",
    367                                 "GE_al_r9_r2_r10",
    368                                 ARRAY_SIZE(kGE),
    369                                 kGE}};
    370 
    371 // We record all inputs to the instructions as outputs. This way, we also check
    372 // that what shouldn't change didn't change.
    373 struct TestResult {
    374   size_t output_size;
    375   const Inputs* outputs;
    376 };
    377 
    378 // These headers each contain an array of `TestResult` with the reference output
    379 // values. The reference arrays are names `kReference{mnemonic}`.
    380 #include "aarch32/traces/simulator-cond-rd-rn-rm-sel-sel-t32.h"
    381 
    382 
    383 // The maximum number of errors to report in detail for each test.
    384 const unsigned kErrorReportLimit = 8;
    385 
    386 typedef void (MacroAssembler::*Fn)(Condition cond,
    387                                    Register rd,
    388                                    Register rn,
    389                                    Register rm);
    390 
    391 void TestHelper(Fn instruction,
    392                 const char* mnemonic,
    393                 const TestResult reference[]) {
    394   SETUP();
    395   masm.UseT32();
    396   START();
    397 
    398   // Data to compare to `reference`.
    399   TestResult* results[ARRAY_SIZE(kTests)];
    400 
    401   // Test cases for memory bound instructions may allocate a buffer and save its
    402   // address in this array.
    403   byte* scratch_memory_buffers[ARRAY_SIZE(kTests)];
    404 
    405   // Generate a loop for each element in `kTests`. Each loop tests one specific
    406   // instruction.
    407   for (unsigned i = 0; i < ARRAY_SIZE(kTests); i++) {
    408     // Allocate results on the heap for this test.
    409     results[i] = new TestResult;
    410     results[i]->outputs = new Inputs[kTests[i].input_size];
    411     results[i]->output_size = kTests[i].input_size;
    412 
    413     size_t input_stride = sizeof(kTests[i].inputs[0]) * kTests[i].input_size;
    414     VIXL_ASSERT(IsUint32(input_stride));
    415 
    416     scratch_memory_buffers[i] = NULL;
    417 
    418     Label loop;
    419     UseScratchRegisterScope scratch_registers(&masm);
    420     // Include all registers from r0 ro r12.
    421     scratch_registers.Include(RegisterList(0x1fff));
    422 
    423     // Values to pass to the macro-assembler.
    424     Condition cond = kTests[i].operands.cond;
    425     Register rd = kTests[i].operands.rd;
    426     Register rn = kTests[i].operands.rn;
    427     Register rm = kTests[i].operands.rm;
    428     scratch_registers.Exclude(rd);
    429     scratch_registers.Exclude(rn);
    430     scratch_registers.Exclude(rm);
    431 
    432     // Allocate reserved registers for our own use.
    433     Register input_ptr = scratch_registers.Acquire();
    434     Register input_end = scratch_registers.Acquire();
    435     Register result_ptr = scratch_registers.Acquire();
    436 
    437     // Initialize `input_ptr` to the first element and `input_end` the address
    438     // after the array.
    439     __ Mov(input_ptr, Operand::From(kTests[i].inputs));
    440     __ Add(input_end, input_ptr, static_cast<uint32_t>(input_stride));
    441     __ Mov(result_ptr, Operand::From(results[i]->outputs));
    442     __ Bind(&loop);
    443 
    444     {
    445       UseScratchRegisterScope temp_registers(&masm);
    446       Register nzcv_bits = temp_registers.Acquire();
    447       Register saved_q_bit = temp_registers.Acquire();
    448       // Save the `Q` bit flag.
    449       __ Mrs(saved_q_bit, APSR);
    450       __ And(saved_q_bit, saved_q_bit, QFlag);
    451       // Set the `NZCV` and `Q` flags together.
    452       __ Ldr(nzcv_bits, MemOperand(input_ptr, offsetof(Inputs, apsr)));
    453       __ Orr(nzcv_bits, nzcv_bits, saved_q_bit);
    454       __ Msr(APSR_nzcvq, nzcv_bits);
    455     }
    456     {
    457       UseScratchRegisterScope temp_registers(&masm);
    458       Register q_bit = temp_registers.Acquire();
    459       Register saved_nzcv_bits = temp_registers.Acquire();
    460       // Save the `NZCV` flags.
    461       __ Mrs(saved_nzcv_bits, APSR);
    462       __ And(saved_nzcv_bits, saved_nzcv_bits, NZCVFlag);
    463       // Set the `NZCV` and `Q` flags together.
    464       __ Ldr(q_bit, MemOperand(input_ptr, offsetof(Inputs, qbit)));
    465       __ Orr(q_bit, q_bit, saved_nzcv_bits);
    466       __ Msr(APSR_nzcvq, q_bit);
    467     }
    468     {
    469       UseScratchRegisterScope temp_registers(&masm);
    470       Register ge_bits = temp_registers.Acquire();
    471       __ Ldr(ge_bits, MemOperand(input_ptr, offsetof(Inputs, ge)));
    472       __ Msr(APSR_g, ge_bits);
    473     }
    474     __ Ldr(rd, MemOperand(input_ptr, offsetof(Inputs, rd)));
    475     __ Ldr(rn, MemOperand(input_ptr, offsetof(Inputs, rn)));
    476     __ Ldr(rm, MemOperand(input_ptr, offsetof(Inputs, rm)));
    477 
    478     (masm.*instruction)(cond, rd, rn, rm);
    479 
    480     {
    481       UseScratchRegisterScope temp_registers(&masm);
    482       Register nzcv_bits = temp_registers.Acquire();
    483       __ Mrs(nzcv_bits, APSR);
    484       // Only record the NZCV bits.
    485       __ And(nzcv_bits, nzcv_bits, NZCVFlag);
    486       __ Str(nzcv_bits, MemOperand(result_ptr, offsetof(Inputs, apsr)));
    487     }
    488     {
    489       UseScratchRegisterScope temp_registers(&masm);
    490       Register q_bit = temp_registers.Acquire();
    491       __ Mrs(q_bit, APSR);
    492       // Only record the Q bit.
    493       __ And(q_bit, q_bit, QFlag);
    494       __ Str(q_bit, MemOperand(result_ptr, offsetof(Inputs, qbit)));
    495     }
    496     {
    497       UseScratchRegisterScope temp_registers(&masm);
    498       Register ge_bits = temp_registers.Acquire();
    499       __ Mrs(ge_bits, APSR);
    500       // Only record the GE bits.
    501       __ And(ge_bits, ge_bits, GEFlags);
    502       __ Str(ge_bits, MemOperand(result_ptr, offsetof(Inputs, ge)));
    503     }
    504     __ Str(rd, MemOperand(result_ptr, offsetof(Inputs, rd)));
    505     __ Str(rn, MemOperand(result_ptr, offsetof(Inputs, rn)));
    506     __ Str(rm, MemOperand(result_ptr, offsetof(Inputs, rm)));
    507 
    508     // Advance the result pointer.
    509     __ Add(result_ptr, result_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
    510     // Loop back until `input_ptr` is lower than `input_base`.
    511     __ Add(input_ptr, input_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
    512     __ Cmp(input_ptr, input_end);
    513     __ B(ne, &loop);
    514   }
    515 
    516   END();
    517 
    518   RUN();
    519 
    520   if (Test::generate_test_trace()) {
    521     // Print the results.
    522     for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
    523       printf("const Inputs kOutputs_%s_%s[] = {\n",
    524              mnemonic,
    525              kTests[i].identifier);
    526       for (size_t j = 0; j < results[i]->output_size; j++) {
    527         printf("  { ");
    528         printf("0x%08" PRIx32, results[i]->outputs[j].apsr);
    529         printf(", ");
    530         printf("0x%08" PRIx32, results[i]->outputs[j].qbit);
    531         printf(", ");
    532         printf("0x%08" PRIx32, results[i]->outputs[j].ge);
    533         printf(", ");
    534         printf("0x%08" PRIx32, results[i]->outputs[j].rd);
    535         printf(", ");
    536         printf("0x%08" PRIx32, results[i]->outputs[j].rn);
    537         printf(", ");
    538         printf("0x%08" PRIx32, results[i]->outputs[j].rm);
    539         printf(" },\n");
    540       }
    541       printf("};\n");
    542     }
    543     printf("const TestResult kReference%s[] = {\n", mnemonic);
    544     for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
    545       printf("  {\n");
    546       printf("    ARRAY_SIZE(kOutputs_%s_%s),\n",
    547              mnemonic,
    548              kTests[i].identifier);
    549       printf("    kOutputs_%s_%s,\n", mnemonic, kTests[i].identifier);
    550       printf("  },\n");
    551     }
    552     printf("};\n");
    553   } else if (kCheckSimulatorTestResults) {
    554     // Check the results.
    555     unsigned total_error_count = 0;
    556     for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
    557       bool instruction_has_errors = false;
    558       for (size_t j = 0; j < kTests[i].input_size; j++) {
    559         uint32_t apsr = results[i]->outputs[j].apsr;
    560         uint32_t qbit = results[i]->outputs[j].qbit;
    561         uint32_t ge = results[i]->outputs[j].ge;
    562         uint32_t rd = results[i]->outputs[j].rd;
    563         uint32_t rn = results[i]->outputs[j].rn;
    564         uint32_t rm = results[i]->outputs[j].rm;
    565         uint32_t apsr_input = kTests[i].inputs[j].apsr;
    566         uint32_t qbit_input = kTests[i].inputs[j].qbit;
    567         uint32_t ge_input = kTests[i].inputs[j].ge;
    568         uint32_t rd_input = kTests[i].inputs[j].rd;
    569         uint32_t rn_input = kTests[i].inputs[j].rn;
    570         uint32_t rm_input = kTests[i].inputs[j].rm;
    571         uint32_t apsr_ref = reference[i].outputs[j].apsr;
    572         uint32_t qbit_ref = reference[i].outputs[j].qbit;
    573         uint32_t ge_ref = reference[i].outputs[j].ge;
    574         uint32_t rd_ref = reference[i].outputs[j].rd;
    575         uint32_t rn_ref = reference[i].outputs[j].rn;
    576         uint32_t rm_ref = reference[i].outputs[j].rm;
    577 
    578         if (((apsr != apsr_ref) || (qbit != qbit_ref) || (ge != ge_ref) ||
    579              (rd != rd_ref) || (rn != rn_ref) || (rm != rm_ref)) &&
    580             (++total_error_count <= kErrorReportLimit)) {
    581           // Print the instruction once even if it triggered multiple failures.
    582           if (!instruction_has_errors) {
    583             printf("Error(s) when testing \"%s %s\":\n",
    584                    mnemonic,
    585                    kTests[i].operands_description);
    586             instruction_has_errors = true;
    587           }
    588           // Print subsequent errors.
    589           printf("  Input:    ");
    590           printf("0x%08" PRIx32, apsr_input);
    591           printf(", ");
    592           printf("0x%08" PRIx32, qbit_input);
    593           printf(", ");
    594           printf("0x%08" PRIx32, ge_input);
    595           printf(", ");
    596           printf("0x%08" PRIx32, rd_input);
    597           printf(", ");
    598           printf("0x%08" PRIx32, rn_input);
    599           printf(", ");
    600           printf("0x%08" PRIx32, rm_input);
    601           printf("\n");
    602           printf("  Expected: ");
    603           printf("0x%08" PRIx32, apsr_ref);
    604           printf(", ");
    605           printf("0x%08" PRIx32, qbit_ref);
    606           printf(", ");
    607           printf("0x%08" PRIx32, ge_ref);
    608           printf(", ");
    609           printf("0x%08" PRIx32, rd_ref);
    610           printf(", ");
    611           printf("0x%08" PRIx32, rn_ref);
    612           printf(", ");
    613           printf("0x%08" PRIx32, rm_ref);
    614           printf("\n");
    615           printf("  Found:    ");
    616           printf("0x%08" PRIx32, apsr);
    617           printf(", ");
    618           printf("0x%08" PRIx32, qbit);
    619           printf(", ");
    620           printf("0x%08" PRIx32, ge);
    621           printf(", ");
    622           printf("0x%08" PRIx32, rd);
    623           printf(", ");
    624           printf("0x%08" PRIx32, rn);
    625           printf(", ");
    626           printf("0x%08" PRIx32, rm);
    627           printf("\n\n");
    628         }
    629       }
    630     }
    631 
    632     if (total_error_count > kErrorReportLimit) {
    633       printf("%u other errors follow.\n",
    634              total_error_count - kErrorReportLimit);
    635     }
    636     VIXL_CHECK(total_error_count == 0);
    637   } else {
    638     VIXL_WARNING("Assembled the code, but did not run anything.\n");
    639   }
    640 
    641   for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
    642     delete[] results[i]->outputs;
    643     delete results[i];
    644     delete[] scratch_memory_buffers[i];
    645   }
    646 }
    647 
    648 // Instantiate tests for each instruction in the list.
    649 // TODO: Remove this limitation by having a sandboxing mechanism.
    650 #if defined(VIXL_HOST_POINTER_32)
    651 #define TEST(mnemonic)                                                      \
    652   void Test_##mnemonic() {                                                  \
    653     TestHelper(&MacroAssembler::mnemonic, #mnemonic, kReference##mnemonic); \
    654   }                                                                         \
    655   Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_SEL_" #mnemonic     \
    656                        "_T32",                                              \
    657                        &Test_##mnemonic);
    658 #else
    659 #define TEST(mnemonic)                                                  \
    660   void Test_##mnemonic() {                                              \
    661     VIXL_WARNING("This test can only run on a 32-bit host.\n");         \
    662     USE(TestHelper);                                                    \
    663   }                                                                     \
    664   Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_SEL_" #mnemonic \
    665                        "_T32",                                          \
    666                        &Test_##mnemonic);
    667 #endif
    668 
    669 FOREACH_INSTRUCTION(TEST)
    670 #undef TEST
    671 
    672 }  // namespace
    673 #endif
    674 
    675 }  // namespace aarch32
    676 }  // namespace vixl
    677