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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/macro-assembler-aarch32.h"
     44 #include "aarch32/disasm-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 #define TEARDOWN()
     64 
     65 #else  // ifdef VIXL_INCLUDE_SIMULATOR_AARCH32.
     66 
     67 #define SETUP()                                   \
     68   MacroAssembler masm(BUF_SIZE);                  \
     69   UseScratchRegisterScope harness_scratch(&masm); \
     70   harness_scratch.ExcludeAll();
     71 
     72 #define START()              \
     73   masm.GetBuffer()->Reset(); \
     74   __ Push(r4);               \
     75   __ Push(r5);               \
     76   __ Push(r6);               \
     77   __ Push(r7);               \
     78   __ Push(r8);               \
     79   __ Push(r9);               \
     80   __ Push(r10);              \
     81   __ Push(r11);              \
     82   __ Push(lr);               \
     83   harness_scratch.Include(ip);
     84 
     85 #define END()                  \
     86   harness_scratch.Exclude(ip); \
     87   __ Pop(lr);                  \
     88   __ Pop(r11);                 \
     89   __ Pop(r10);                 \
     90   __ Pop(r9);                  \
     91   __ Pop(r8);                  \
     92   __ Pop(r7);                  \
     93   __ Pop(r6);                  \
     94   __ Pop(r5);                  \
     95   __ Pop(r4);                  \
     96   __ Bx(lr);                   \
     97   __ FinalizeCode();
     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 #define TEARDOWN() harness_scratch.Close();
    110 
    111 #endif  // ifdef VIXL_INCLUDE_SIMULATOR_AARCH32
    112 
    113 namespace vixl {
    114 namespace aarch32 {
    115 
    116 // List of instruction encodings:
    117 #define FOREACH_INSTRUCTION(M) M(Sel)
    118 
    119 
    120 // The following definitions are defined again in each generated test, therefore
    121 // we need to place them in an anomymous namespace. It expresses that they are
    122 // local to this file only, and the compiler is not allowed to share these types
    123 // across test files during template instantiation. Specifically, `Operands` and
    124 // `Inputs` have various layouts across generated tests so they absolutely
    125 // cannot be shared.
    126 
    127 #ifdef VIXL_INCLUDE_TARGET_T32
    128 namespace {
    129 
    130 // Values to be passed to the assembler to produce the instruction under test.
    131 struct Operands {
    132   Condition cond;
    133   Register rd;
    134   Register rn;
    135   Register rm;
    136 };
    137 
    138 // Input data to feed to the instruction.
    139 struct Inputs {
    140   uint32_t apsr;
    141   uint32_t qbit;
    142   uint32_t ge;
    143   uint32_t rd;
    144   uint32_t rn;
    145   uint32_t rm;
    146 };
    147 
    148 // This structure contains all input data needed to test one specific encoding.
    149 // It used to generate a loop over an instruction.
    150 struct TestLoopData {
    151   // The `operands` fields represents the values to pass to the assembler to
    152   // produce the instruction.
    153   Operands operands;
    154   // Description of the operands, used for error reporting.
    155   const char* operands_description;
    156   // Unique identifier, used for generating traces.
    157   const char* identifier;
    158   // Array of values to be fed to the instruction.
    159   size_t input_size;
    160   const Inputs* inputs;
    161 };
    162 
    163 static const Inputs kGE[] =
    164     {{NoFlag, NoFlag, GE123Flag, 0xabababab, 0xfffffffe, 0x0000007e},
    165      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x7fffffff, 0xffffff82},
    166      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x7ffffffe, 0xffffff81},
    167      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x7fffffff, 0x0000007d},
    168      {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffe0, 0xffff8003},
    169      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x00007ffe, 0xffffff83},
    170      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xaaaaaaaa, 0xfffffffd},
    171      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x80000000, 0x80000001},
    172      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffffff80, 0x7fffffff},
    173      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffff8000, 0xfffffffd},
    174      {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0x0000007e},
    175      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xffff8002, 0x00007ffe},
    176      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007ffe, 0x33333333},
    177      {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8002, 0x00000001},
    178      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xfffffffe, 0x00000020},
    179      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x7ffffffd, 0x00000001},
    180      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffff80, 0x80000000},
    181      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x7ffffffe, 0xffffff83},
    182      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffe, 0x00000001},
    183      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x7ffffffe, 0x0000007f},
    184      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x00007fff, 0x80000001},
    185      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xaaaaaaaa, 0x0000007d},
    186      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffff8000, 0x0000007e},
    187      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x80000000, 0xffffff80},
    188      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xffffff82, 0x80000000},
    189      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8003, 0x00000000},
    190      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00000001, 0x7ffffffd},
    191      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x00007ffd, 0x00000001},
    192      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffffff83, 0xaaaaaaaa},
    193      {NoFlag, NoFlag, NoFlag, 0xabababab, 0xcccccccc, 0xffffff83},
    194      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x80000001, 0xffffff81},
    195      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xfffffffe, 0x00000000},
    196      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x00007ffd, 0x00000001},
    197      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffff8002, 0x00000002},
    198      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x00007fff, 0x0000007d},
    199      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x7ffffffd, 0xffffff80},
    200      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x80000000, 0xffffffff},
    201      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x00007fff},
    202      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffff8002, 0xffffff82},
    203      {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x0000007f},
    204      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffffff, 0xfffffffd},
    205      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00000001, 0x00000001},
    206      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x00007ffd, 0xaaaaaaaa},
    207      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x7fffffff, 0x0000007e},
    208      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x80000001, 0xffff8002},
    209      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffff8003, 0x80000000},
    210      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x33333333, 0xffffff80},
    211      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x7ffffffe, 0x00007ffd},
    212      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007fff, 0x00000000},
    213      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x00000001, 0x55555555},
    214      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x0000007e, 0xffff8003},
    215      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007ffd, 0x0000007e},
    216      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x80000000, 0x00000000},
    217      {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffffff, 0x00007ffd},
    218      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xffffff82, 0xfffffffe},
    219      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffff8000, 0xffff8001},
    220      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x33333333, 0x0000007d},
    221      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00000002, 0xffffff82},
    222      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x0000007f, 0x55555555},
    223      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffff81, 0xcccccccc},
    224      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7ffffffe, 0x33333333},
    225      {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffff8003, 0x80000001},
    226      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8001, 0xcccccccc},
    227      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x33333333, 0xaaaaaaaa},
    228      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007fff, 0x0000007f},
    229      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x0000007d, 0x00000001},
    230      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xffff8001, 0x00007ffd},
    231      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x0000007e, 0x80000001},
    232      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xffff8003, 0x00000000},
    233      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8002, 0xfffffffd},
    234      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffffff, 0xffffff80},
    235      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x00007fff, 0xffffffe0},
    236      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xaaaaaaaa, 0x00007fff},
    237      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffff8002, 0xffffffff},
    238      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x0000007e, 0xffffff81},
    239      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x7fffffff, 0x00007fff},
    240      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffff82, 0xffffff83},
    241      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xfffffffe, 0x7ffffffe},
    242      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x00007fff, 0xaaaaaaaa},
    243      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00000002, 0xffff8003},
    244      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffff80, 0x80000000},
    245      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x80000001},
    246      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x7fffffff, 0x0000007e},
    247      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x55555555, 0x00007fff},
    248      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffffff, 0x00007fff},
    249      {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00000000, 0x7ffffffd},
    250      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffffff82, 0xffff8002},
    251      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffff8002, 0x0000007e},
    252      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x7ffffffe, 0xcccccccc},
    253      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xffff8002, 0xfffffffd},
    254      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffffff80, 0xffff8003},
    255      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x0000007e, 0xaaaaaaaa},
    256      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00007fff, 0xffffff83},
    257      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xfffffffe, 0x00007ffd},
    258      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xcccccccc, 0xffff8000},
    259      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x00007ffe, 0x7ffffffd},
    260      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x0000007f, 0x55555555},
    261      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x80000000, 0xffff8000},
    262      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffffff, 0xffffffe0},
    263      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x80000000},
    264      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x0000007d, 0xfffffffd},
    265      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xfffffffd, 0xffffffff},
    266      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x00007ffd, 0x7ffffffd},
    267      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffff8003, 0x00000002},
    268      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x55555555, 0xffff8001},
    269      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00000000, 0x00007fff},
    270      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x00000001, 0xffffff83},
    271      {NoFlag, NoFlag, NoFlag, 0xabababab, 0x33333333, 0x00007ffe},
    272      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffff81, 0x80000001},
    273      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x0000007d, 0x00000002},
    274      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffff80, 0x7ffffffd},
    275      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xcccccccc, 0xffff8000},
    276      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xcccccccc, 0xffffff81},
    277      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffffff81, 0x00000000},
    278      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x33333333, 0xffffff82},
    279      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffff83, 0xffffffe0},
    280      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xfffffffe, 0x0000007d},
    281      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x00000020, 0xffff8000},
    282      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x00000002, 0x00007ffe},
    283      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8000, 0xffffff80},
    284      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xfffffffe, 0xffffff81},
    285      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffffff, 0xffffffff},
    286      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x00007ffd, 0xffffff81},
    287      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xcccccccc, 0xffffff82},
    288      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007ffd, 0xfffffffd},
    289      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8002, 0x0000007d},
    290      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xaaaaaaaa, 0x0000007f},
    291      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffff8000, 0x7ffffffd},
    292      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xcccccccc, 0x00007ffe},
    293      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x0000007e, 0xffff8002},
    294      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffffffe0, 0x7ffffffd},
    295      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xfffffffd, 0xffffff82},
    296      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xffff8002, 0x7fffffff},
    297      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x7ffffffe, 0xfffffffd},
    298      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x80000001, 0xffffffff},
    299      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007fff, 0x00000020},
    300      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffff82, 0xffff8001},
    301      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xffffff80, 0x00000000},
    302      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xaaaaaaaa, 0x00000001},
    303      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x55555555, 0xffff8003},
    304      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffffff82, 0x0000007e},
    305      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xfffffffd, 0x55555555},
    306      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00000002, 0xfffffffe},
    307      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x00007ffe, 0xfffffffd},
    308      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0xffffff82, 0x7ffffffe},
    309      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xffffff80, 0x0000007d},
    310      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffff8003, 0xffffff82},
    311      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x55555555, 0x80000000},
    312      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x00000001, 0xffff8003},
    313      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x00000002, 0xffffff80},
    314      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xffffffff, 0x00000002},
    315      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x0000007f, 0x33333333},
    316      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffff8002, 0x55555555},
    317      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xfffffffd, 0x7ffffffd},
    318      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xcccccccc, 0xfffffffe},
    319      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0x00000001, 0x33333333},
    320      {NoFlag, NoFlag, NoFlag, 0xabababab, 0xffffff83, 0xffffff83},
    321      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0x0000007f},
    322      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffffff81, 0xffff8001},
    323      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffffffe0, 0x00007fff},
    324      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffffff80, 0x33333333},
    325      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00007ffe, 0x00007ffe},
    326      {NoFlag, NoFlag, GE02Flag, 0xabababab, 0x55555555, 0x00000002},
    327      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00000002, 0x7ffffffd},
    328      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffffff81, 0xffffff80},
    329      {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000001, 0x00007ffe},
    330      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xffff8001, 0xffff8002},
    331      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0xaaaaaaaa, 0x7ffffffd},
    332      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0xffff8003},
    333      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x80000000, 0xffffffff},
    334      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xfffffffe, 0x33333333},
    335      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x00000002, 0xffffff82},
    336      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x7fffffff, 0x7ffffffe},
    337      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0x00000002, 0x00000001},
    338      {NoFlag, NoFlag, GE0123Flag, 0xabababab, 0x80000001, 0xffffffff},
    339      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x00007ffd, 0x00000001},
    340      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x55555555, 0x7fffffff},
    341      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xfffffffe, 0x00000002},
    342      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x0000007d, 0x7ffffffe},
    343      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x0000007d, 0x7fffffff},
    344      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0xffffff80, 0x7fffffff},
    345      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0xffffff82, 0x00000001},
    346      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0xffffff82, 0xffffff80},
    347      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0xffff8003, 0xffff8000},
    348      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0xfffffffe, 0xffffff82},
    349      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x0000007f, 0xffffffe0},
    350      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0x00000002, 0x00007ffe},
    351      {NoFlag, NoFlag, GE023Flag, 0xabababab, 0x0000007e, 0xffffff83},
    352      {NoFlag, NoFlag, GE013Flag, 0xabababab, 0x00007ffd, 0xffffffff},
    353      {NoFlag, NoFlag, NoFlag, 0xabababab, 0x00007ffd, 0xffff8001},
    354      {NoFlag, NoFlag, GE01Flag, 0xabababab, 0xffffffe0, 0x33333333},
    355      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xffffff83, 0xffffff83},
    356      {NoFlag, NoFlag, NoFlag, 0xabababab, 0x80000000, 0x00007fff},
    357      {NoFlag, NoFlag, GE123Flag, 0xabababab, 0x0000007d, 0x00007ffe},
    358      {NoFlag, NoFlag, GE13Flag, 0xabababab, 0x0000007d, 0xaaaaaaaa},
    359      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0x0000007d, 0xaaaaaaaa},
    360      {NoFlag, NoFlag, GE03Flag, 0xabababab, 0xaaaaaaaa, 0x80000001},
    361      {NoFlag, NoFlag, GE23Flag, 0xabababab, 0x0000007d, 0x55555555},
    362      {NoFlag, NoFlag, GE012Flag, 0xabababab, 0xfffffffd, 0x00007ffd},
    363      {NoFlag, NoFlag, GE12Flag, 0xabababab, 0xffff8001, 0xfffffffe}};
    364 
    365 
    366 // A loop will be generated for each element of this array.
    367 const TestLoopData kTests[] = {{{al, r9, r2, r10},
    368                                 "al r9 r2 r10",
    369                                 "GE_al_r9_r2_r10",
    370                                 ARRAY_SIZE(kGE),
    371                                 kGE}};
    372 
    373 // We record all inputs to the instructions as outputs. This way, we also check
    374 // that what shouldn't change didn't change.
    375 struct TestResult {
    376   size_t output_size;
    377   const Inputs* outputs;
    378 };
    379 
    380 // These headers each contain an array of `TestResult` with the reference output
    381 // values. The reference arrays are names `kReference{mnemonic}`.
    382 #include "aarch32/traces/simulator-cond-rd-rn-rm-t32-sel-sel.h"
    383 
    384 
    385 // The maximum number of errors to report in detail for each test.
    386 const unsigned kErrorReportLimit = 8;
    387 
    388 typedef void (MacroAssembler::*Fn)(Condition cond,
    389                                    Register rd,
    390                                    Register rn,
    391                                    Register rm);
    392 
    393 void TestHelper(Fn instruction,
    394                 const char* mnemonic,
    395                 const TestResult reference[]) {
    396   SETUP();
    397   masm.UseT32();
    398   START();
    399 
    400   // Data to compare to `reference`.
    401   TestResult* results[ARRAY_SIZE(kTests)];
    402 
    403   // Test cases for memory bound instructions may allocate a buffer and save its
    404   // address in this array.
    405   byte* scratch_memory_buffers[ARRAY_SIZE(kTests)];
    406 
    407   // Generate a loop for each element in `kTests`. Each loop tests one specific
    408   // instruction.
    409   for (unsigned i = 0; i < ARRAY_SIZE(kTests); i++) {
    410     // Allocate results on the heap for this test.
    411     results[i] = new TestResult;
    412     results[i]->outputs = new Inputs[kTests[i].input_size];
    413     results[i]->output_size = kTests[i].input_size;
    414 
    415     size_t input_stride = sizeof(kTests[i].inputs[0]) * kTests[i].input_size;
    416     VIXL_ASSERT(IsUint32(input_stride));
    417 
    418     scratch_memory_buffers[i] = NULL;
    419 
    420     Label loop;
    421     UseScratchRegisterScope scratch_registers(&masm);
    422     // Include all registers from r0 ro r12.
    423     scratch_registers.Include(RegisterList(0x1fff));
    424 
    425     // Values to pass to the macro-assembler.
    426     Condition cond = kTests[i].operands.cond;
    427     Register rd = kTests[i].operands.rd;
    428     Register rn = kTests[i].operands.rn;
    429     Register rm = kTests[i].operands.rm;
    430     scratch_registers.Exclude(rd);
    431     scratch_registers.Exclude(rn);
    432     scratch_registers.Exclude(rm);
    433 
    434     // Allocate reserved registers for our own use.
    435     Register input_ptr = scratch_registers.Acquire();
    436     Register input_end = scratch_registers.Acquire();
    437     Register result_ptr = scratch_registers.Acquire();
    438 
    439     // Initialize `input_ptr` to the first element and `input_end` the address
    440     // after the array.
    441     __ Mov(input_ptr, Operand::From(kTests[i].inputs));
    442     __ Add(input_end, input_ptr, static_cast<uint32_t>(input_stride));
    443     __ Mov(result_ptr, Operand::From(results[i]->outputs));
    444     __ Bind(&loop);
    445 
    446     {
    447       UseScratchRegisterScope temp_registers(&masm);
    448       Register nzcv_bits = temp_registers.Acquire();
    449       Register saved_q_bit = temp_registers.Acquire();
    450       // Save the `Q` bit flag.
    451       __ Mrs(saved_q_bit, APSR);
    452       __ And(saved_q_bit, saved_q_bit, QFlag);
    453       // Set the `NZCV` and `Q` flags together.
    454       __ Ldr(nzcv_bits, MemOperand(input_ptr, offsetof(Inputs, apsr)));
    455       __ Orr(nzcv_bits, nzcv_bits, saved_q_bit);
    456       __ Msr(APSR_nzcvq, nzcv_bits);
    457     }
    458     {
    459       UseScratchRegisterScope temp_registers(&masm);
    460       Register q_bit = temp_registers.Acquire();
    461       Register saved_nzcv_bits = temp_registers.Acquire();
    462       // Save the `NZCV` flags.
    463       __ Mrs(saved_nzcv_bits, APSR);
    464       __ And(saved_nzcv_bits, saved_nzcv_bits, NZCVFlag);
    465       // Set the `NZCV` and `Q` flags together.
    466       __ Ldr(q_bit, MemOperand(input_ptr, offsetof(Inputs, qbit)));
    467       __ Orr(q_bit, q_bit, saved_nzcv_bits);
    468       __ Msr(APSR_nzcvq, q_bit);
    469     }
    470     {
    471       UseScratchRegisterScope temp_registers(&masm);
    472       Register ge_bits = temp_registers.Acquire();
    473       __ Ldr(ge_bits, MemOperand(input_ptr, offsetof(Inputs, ge)));
    474       __ Msr(APSR_g, ge_bits);
    475     }
    476     __ Ldr(rd, MemOperand(input_ptr, offsetof(Inputs, rd)));
    477     __ Ldr(rn, MemOperand(input_ptr, offsetof(Inputs, rn)));
    478     __ Ldr(rm, MemOperand(input_ptr, offsetof(Inputs, rm)));
    479 
    480     (masm.*instruction)(cond, rd, rn, rm);
    481 
    482     {
    483       UseScratchRegisterScope temp_registers(&masm);
    484       Register nzcv_bits = temp_registers.Acquire();
    485       __ Mrs(nzcv_bits, APSR);
    486       // Only record the NZCV bits.
    487       __ And(nzcv_bits, nzcv_bits, NZCVFlag);
    488       __ Str(nzcv_bits, MemOperand(result_ptr, offsetof(Inputs, apsr)));
    489     }
    490     {
    491       UseScratchRegisterScope temp_registers(&masm);
    492       Register q_bit = temp_registers.Acquire();
    493       __ Mrs(q_bit, APSR);
    494       // Only record the Q bit.
    495       __ And(q_bit, q_bit, QFlag);
    496       __ Str(q_bit, MemOperand(result_ptr, offsetof(Inputs, qbit)));
    497     }
    498     {
    499       UseScratchRegisterScope temp_registers(&masm);
    500       Register ge_bits = temp_registers.Acquire();
    501       __ Mrs(ge_bits, APSR);
    502       // Only record the GE bits.
    503       __ And(ge_bits, ge_bits, GEFlags);
    504       __ Str(ge_bits, MemOperand(result_ptr, offsetof(Inputs, ge)));
    505     }
    506     __ Str(rd, MemOperand(result_ptr, offsetof(Inputs, rd)));
    507     __ Str(rn, MemOperand(result_ptr, offsetof(Inputs, rn)));
    508     __ Str(rm, MemOperand(result_ptr, offsetof(Inputs, rm)));
    509 
    510     // Advance the result pointer.
    511     __ Add(result_ptr, result_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
    512     // Loop back until `input_ptr` is lower than `input_base`.
    513     __ Add(input_ptr, input_ptr, Operand::From(sizeof(kTests[i].inputs[0])));
    514     __ Cmp(input_ptr, input_end);
    515     __ B(ne, &loop);
    516   }
    517 
    518   END();
    519 
    520   RUN();
    521 
    522   if (Test::generate_test_trace()) {
    523     // Print the results.
    524     for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
    525       printf("const Inputs kOutputs_%s_%s[] = {\n",
    526              mnemonic,
    527              kTests[i].identifier);
    528       for (size_t j = 0; j < results[i]->output_size; j++) {
    529         printf("  { ");
    530         printf("0x%08" PRIx32, results[i]->outputs[j].apsr);
    531         printf(", ");
    532         printf("0x%08" PRIx32, results[i]->outputs[j].qbit);
    533         printf(", ");
    534         printf("0x%08" PRIx32, results[i]->outputs[j].ge);
    535         printf(", ");
    536         printf("0x%08" PRIx32, results[i]->outputs[j].rd);
    537         printf(", ");
    538         printf("0x%08" PRIx32, results[i]->outputs[j].rn);
    539         printf(", ");
    540         printf("0x%08" PRIx32, results[i]->outputs[j].rm);
    541         printf(" },\n");
    542       }
    543       printf("};\n");
    544     }
    545     printf("const TestResult kReference%s[] = {\n", mnemonic);
    546     for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
    547       printf("  {\n");
    548       printf("    ARRAY_SIZE(kOutputs_%s_%s),\n",
    549              mnemonic,
    550              kTests[i].identifier);
    551       printf("    kOutputs_%s_%s,\n", mnemonic, kTests[i].identifier);
    552       printf("  },\n");
    553     }
    554     printf("};\n");
    555   } else if (kCheckSimulatorTestResults) {
    556     // Check the results.
    557     unsigned total_error_count = 0;
    558     for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
    559       bool instruction_has_errors = false;
    560       for (size_t j = 0; j < kTests[i].input_size; j++) {
    561         uint32_t apsr = results[i]->outputs[j].apsr;
    562         uint32_t qbit = results[i]->outputs[j].qbit;
    563         uint32_t ge = results[i]->outputs[j].ge;
    564         uint32_t rd = results[i]->outputs[j].rd;
    565         uint32_t rn = results[i]->outputs[j].rn;
    566         uint32_t rm = results[i]->outputs[j].rm;
    567         uint32_t apsr_input = kTests[i].inputs[j].apsr;
    568         uint32_t qbit_input = kTests[i].inputs[j].qbit;
    569         uint32_t ge_input = kTests[i].inputs[j].ge;
    570         uint32_t rd_input = kTests[i].inputs[j].rd;
    571         uint32_t rn_input = kTests[i].inputs[j].rn;
    572         uint32_t rm_input = kTests[i].inputs[j].rm;
    573         uint32_t apsr_ref = reference[i].outputs[j].apsr;
    574         uint32_t qbit_ref = reference[i].outputs[j].qbit;
    575         uint32_t ge_ref = reference[i].outputs[j].ge;
    576         uint32_t rd_ref = reference[i].outputs[j].rd;
    577         uint32_t rn_ref = reference[i].outputs[j].rn;
    578         uint32_t rm_ref = reference[i].outputs[j].rm;
    579 
    580         if (((apsr != apsr_ref) || (qbit != qbit_ref) || (ge != ge_ref) ||
    581              (rd != rd_ref) || (rn != rn_ref) || (rm != rm_ref)) &&
    582             (++total_error_count <= kErrorReportLimit)) {
    583           // Print the instruction once even if it triggered multiple failures.
    584           if (!instruction_has_errors) {
    585             printf("Error(s) when testing \"%s %s\":\n",
    586                    mnemonic,
    587                    kTests[i].operands_description);
    588             instruction_has_errors = true;
    589           }
    590           // Print subsequent errors.
    591           printf("  Input:    ");
    592           printf("0x%08" PRIx32, apsr_input);
    593           printf(", ");
    594           printf("0x%08" PRIx32, qbit_input);
    595           printf(", ");
    596           printf("0x%08" PRIx32, ge_input);
    597           printf(", ");
    598           printf("0x%08" PRIx32, rd_input);
    599           printf(", ");
    600           printf("0x%08" PRIx32, rn_input);
    601           printf(", ");
    602           printf("0x%08" PRIx32, rm_input);
    603           printf("\n");
    604           printf("  Expected: ");
    605           printf("0x%08" PRIx32, apsr_ref);
    606           printf(", ");
    607           printf("0x%08" PRIx32, qbit_ref);
    608           printf(", ");
    609           printf("0x%08" PRIx32, ge_ref);
    610           printf(", ");
    611           printf("0x%08" PRIx32, rd_ref);
    612           printf(", ");
    613           printf("0x%08" PRIx32, rn_ref);
    614           printf(", ");
    615           printf("0x%08" PRIx32, rm_ref);
    616           printf("\n");
    617           printf("  Found:    ");
    618           printf("0x%08" PRIx32, apsr);
    619           printf(", ");
    620           printf("0x%08" PRIx32, qbit);
    621           printf(", ");
    622           printf("0x%08" PRIx32, ge);
    623           printf(", ");
    624           printf("0x%08" PRIx32, rd);
    625           printf(", ");
    626           printf("0x%08" PRIx32, rn);
    627           printf(", ");
    628           printf("0x%08" PRIx32, rm);
    629           printf("\n\n");
    630         }
    631       }
    632     }
    633 
    634     if (total_error_count > kErrorReportLimit) {
    635       printf("%u other errors follow.\n",
    636              total_error_count - kErrorReportLimit);
    637     }
    638     VIXL_CHECK(total_error_count == 0);
    639   } else {
    640     VIXL_WARNING("Assembled the code, but did not run anything.\n");
    641   }
    642 
    643   for (size_t i = 0; i < ARRAY_SIZE(kTests); i++) {
    644     delete[] results[i]->outputs;
    645     delete results[i];
    646     delete[] scratch_memory_buffers[i];
    647   }
    648 
    649   TEARDOWN();
    650 }
    651 
    652 // Instantiate tests for each instruction in the list.
    653 // TODO: Remove this limitation by having a sandboxing mechanism.
    654 #if defined(VIXL_HOST_POINTER_32)
    655 #define TEST(mnemonic)                                                       \
    656   void Test_##mnemonic() {                                                   \
    657     TestHelper(&MacroAssembler::mnemonic, #mnemonic, kReference##mnemonic);  \
    658   }                                                                          \
    659   Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_T32_SEL_" #mnemonic, \
    660                        &Test_##mnemonic);
    661 #else
    662 #define TEST(mnemonic)                                                       \
    663   void Test_##mnemonic() {                                                   \
    664     VIXL_WARNING("This test can only run on a 32-bit host.\n");              \
    665     USE(TestHelper);                                                         \
    666   }                                                                          \
    667   Test test_##mnemonic("AARCH32_SIMULATOR_COND_RD_RN_RM_T32_SEL_" #mnemonic, \
    668                        &Test_##mnemonic);
    669 #endif
    670 
    671 FOREACH_INSTRUCTION(TEST)
    672 #undef TEST
    673 
    674 }  // namespace
    675 #endif
    676 
    677 }  // namespace aarch32
    678 }  // namespace vixl
    679