text: // Copyright 2013 the V8 project authors. All rights reserved.
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are
  // met:
  //
  //     * Redistributions of source code must retain the above copyright
  //       notice, this list of conditions and the following disclaimer.
  //     * Redistributions in binary form must reproduce the above
  //       copyright notice, this list of conditions and the following
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  //       with the distribution.
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  //       contributors may be used to endorse or promote products derived
  //       from this software without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  #include <stdlib.h>
  
  #include <iostream>
  
  #include "src/base/utils/random-number-generator.h"
  #include "src/codegen/assembler-inl.h"
  #include "src/codegen/macro-assembler.h"
  #include "src/deoptimizer/deoptimizer.h"
  #include "src/execution/simulator.h"
  #include "src/init/v8.h"
  #include "src/objects/objects-inl.h"
  #include "src/utils/ostreams.h"
  #include "test/cctest/cctest.h"
  #include "test/common/assembler-tester.h"
  
  namespace v8 {
  namespace internal {
  
  // TODO(mips64): Refine these signatures per test case.
  using FV = void*(int64_t x, int64_t y, int p2, int p3, int p4);
  using F1 = void*(int x, int p1, int p2, int p3, int p4);
  using F3 = void*(void* p, int p1, int p2, int p3, int p4);
  using F4 = void*(void* p0, void* p1, int p2, int p3, int p4);
  
  #define __ masm->
  
  TEST(BYTESWAP) {
    DCHECK(kArchVariant == kMips64r6 || kArchVariant == kMips64r2);
    CcTest::InitializeVM();
    Isolate* isolate = CcTest::i_isolate();
    HandleScope scope(isolate);
  
    struct T {
      uint64_t s8;
      uint64_t s4;
      uint64_t s2;
      uint64_t u4;
      uint64_t u2;
    };
  
    T t;
    uint64_t test_values[] = {0x5612FFCD9D327ACC,
                              0x781A15C3,
                              0xFCDE,
                              0x9F,
                              0xC81A15C3,
                              0x8000000000000000,
                              0xFFFFFFFFFFFFFFFF,
                              0x0000000080000000,
                              0x0000000000008000};
  
    MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
  
    MacroAssembler* masm = &assembler;
  
    __ Ld(a4, MemOperand(a0, offsetof(T, s8)));
    __ nop();
    __ ByteSwapSigned(a4, a4, 8);
    __ Sd(a4, MemOperand(a0, offsetof(T, s8)));
  
    __ Ld(a4, MemOperand(a0, offsetof(T, s4)));
    __ nop();
    __ ByteSwapSigned(a4, a4, 4);
    __ Sd(a4, MemOperand(a0, offsetof(T, s4)));
  
    __ Ld(a4, MemOperand(a0, offsetof(T, s2)));
    __ nop();
    __ ByteSwapSigned(a4, a4, 2);
    __ Sd(a4, MemOperand(a0, offsetof(T, s2)));
  
    __ Ld(a4, MemOperand(a0, offsetof(T, u4)));
    __ nop();
    __ ByteSwapUnsigned(a4, a4, 4);
    __ Sd(a4, MemOperand(a0, offsetof(T, u4)));
  
    __ Ld(a4, MemOperand(a0, offsetof(T, u2)));
    __ nop();
    __ ByteSwapUnsigned(a4, a4, 2);
    __ Sd(a4, MemOperand(a0, offsetof(T, u2)));
  
    __ jr(ra);
    __ nop();
  
    CodeDesc desc;
    masm->GetCode(isolate, &desc);
    Handle<Code> code =
        Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
    auto f = GeneratedCode<F3>::FromCode(*code);
  
    for (size_t i = 0; i < arraysize(test_values); i++) {
      int32_t in_s4 = static_cast<int32_t>(test_values[i]);
      int16_t in_s2 = static_cast<int16_t>(test_values[i]);
      uint32_t in_u4 = static_cast<uint32_t>(test_values[i]);
      uint16_t in_u2 = static_cast<uint16_t>(test_values[i]);
  
      t.s8 = test_values[i];
      t.s4 = static_cast<uint64_t>(in_s4);
      t.s2 = static_cast<uint64_t>(in_s2);
      t.u4 = static_cast<uint64_t>(in_u4);
      t.u2 = static_cast<uint64_t>(in_u2);
  
      f.Call(&t, 0, 0, 0, 0);
  
      CHECK_EQ(ByteReverse<uint64_t>(test_values[i]), t.s8);
      CHECK_EQ(ByteReverse<int32_t>(in_s4), static_cast<int32_t>(t.s4));
      CHECK_EQ(ByteReverse<int16_t>(in_s2), static_cast<int16_t>(t.s2));
      CHECK_EQ(ByteReverse<uint32_t>(in_u4), static_cast<uint32_t>(t.u4));
      CHECK_EQ(ByteReverse<uint16_t>(in_u2), static_cast<uint16_t>(t.u2));
    }
  }
  
  TEST(LoadConstants) {
    CcTest::InitializeVM();
    Isolate* isolate = CcTest::i_isolate();
    HandleScope handles(isolate);
  
    int64_t refConstants[64];
    int64_t result[64];
  
    int64_t mask = 1;
    for (int i = 0; i < 64; i++) {
      refConstants[i] = ~(mask << i);
    }
  
    MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
    MacroAssembler* masm = &assembler;
  
    __ mov(a4, a0);
    for (int i = 0; i < 64; i++) {
      // Load constant.
      __ li(a5, Operand(refConstants[i]));
      __ Sd(a5, MemOperand(a4));
      __ Daddu(a4, a4, Operand(kPointerSize));
    }
  
    __ jr(ra);
    __ nop();
  
    CodeDesc desc;
    masm->GetCode(isolate, &desc);
    Handle<Code> code =
        Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
  
    auto f = GeneratedCode<FV>::FromCode(*code);
    (void)f.Call(reinterpret_cast<int64_t>(result), 0, 0, 0, 0);
    // Check results.
    for (int i = 0; i < 64; i++) {
      CHECK(refConstants[i] == result[i]);
    }
  }
  
  
  TEST(LoadAddress) {
    CcTest::InitializeVM();
    Isolate* isolate = CcTest::i_isolate();
    HandleScope handles(isolate);
  
    MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
    MacroAssembler* masm = &assembler;
    Label to_jump, skip;
    __ mov(a4, a0);
  
    __ Branch(&skip);
    __ bind(&to_jump);
    __ nop();
    __ nop();
    __ jr(ra);
    __ nop();
    __ bind(&skip);
    __ li(a4, Operand(masm->jump_address(&to_jump)), ADDRESS_LOAD);
    int check_size = masm->InstructionsGeneratedSince(&skip);
    CHECK_EQ(4, check_size);
    __ jr(a4);
    __ nop();
    __ stop();
    __ stop();
    __ stop();
    __ stop();
    __ stop();
  
  
    CodeDesc desc;
    masm->GetCode(isolate, &desc);
    Handle<Code> code =
        Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
  
    auto f = GeneratedCode<FV>::FromCode(*code);
    (void)f.Call(0, 0, 0, 0, 0);
    // Check results.
  }
  
  
  TEST(jump_tables4) {
    // Similar to test-assembler-mips jump_tables1, with extra test for branch
    // trampoline required before emission of the dd table (where trampolines are
    // blocked), and proper transition to long-branch mode.
    // Regression test for v8:4294.
    CcTest::InitializeVM();
    Isolate* isolate = CcTest::i_isolate();
    HandleScope scope(isolate);
    MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
    MacroAssembler* masm = &assembler;
  
    const int kNumCases = 512;
    int values[kNumCases];
    isolate->random_number_generator()->NextBytes(values, sizeof(values));
    Label labels[kNumCases];
    Label near_start, end, done;
  
    __ Push(ra);
    __ mov(v0, zero_reg);
  
    __ Branch(&end);
    __ bind(&near_start);
  
    // Generate slightly less than 32K instructions, which will soon require
    // trampoline for branch distance fixup.
    for (int i = 0; i < 32768 - 256; ++i) {
      __ addiu(v0, v0, 1);
    }
  
    __ GenerateSwitchTable(a0, kNumCases,
                           [&labels](size_t i) { return labels + i; });
  
    for (int i = 0; i < kNumCases; ++i) {
      __ bind(&labels[i]);
      __ li(v0, values[i]);
      __ Branch(&done);
    }
  
    __ bind(&done);
    __ Pop(ra);
    __ jr(ra);
    __ nop();
  
    __ bind(&end);
    __ Branch(&near_start);
  
    CodeDesc desc;
    masm->GetCode(isolate, &desc);
    Handle<Code> code =
        Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
  #ifdef OBJECT_PRINT
    code->Print(std::cout);
  #endif
    auto f = GeneratedCode<F1>::FromCode(*code);
    for (int i = 0; i < kNumCases; ++i) {
      int64_t res = reinterpret_cast<int64_t>(f.Call(i, 0, 0, 0, 0));
      ::printf("f(%d) = %" PRId64 "\n", i, res);
      CHECK_EQ(values[i], res);
    }
  }
  
  
  TEST(jump_tables5) {
    if (kArchVariant != kMips64r6) return;
  
    // Similar to test-assembler-mips jump_tables1, with extra test for emitting a
    // compact branch instruction before emission of the dd table.
    CcTest::InitializeVM();
    Isolate* isolate = CcTest::i_isolate();
    HandleScope scope(isolate);
    MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
    MacroAssembler* masm = &assembler;
  
    const int kNumCases = 512;
    int values[kNumCases];
    isolate->random_number_generator()->NextBytes(values, sizeof(values));
    Label labels[kNumCases];
    Label done;
  
    __ Push(ra);
  
    // Opposite of Align(8) as we have unaligned number of instructions in the
    // following block before the first dd().
    if ((masm->pc_offset() & 7) == 0) {
      __ nop();
    }
  
    {
      __ BlockTrampolinePoolFor(kNumCases * 2 + 6 + 1);
  
      __ addiupc(at, 6 + 1);
      __ Dlsa(at, at, a0, 3);
      __ Ld(at, MemOperand(at));
      __ jalr(at);
      __ nop();  // Branch delay slot nop.
      __ bc(&done);
      // A nop instruction must be generated by the forbidden slot guard
      // (Assembler::dd(Label*)) so the first label goes to an 8 bytes aligned
      // location.
      for (int i = 0; i < kNumCases; ++i) {
        __ dd(&labels[i]);
      }
    }
  
    for (int i = 0; i < kNumCases; ++i) {
      __ bind(&labels[i]);
      __ li(v0, values[i]);
      __ jr(ra);
      __ nop();
    }
  
    __ bind(&done);
    __ Pop(ra);
    __ jr(ra);
    __ nop();
  
    CodeDesc desc;
    masm->GetCode(isolate, &desc);
    Handle<Code> code =
        Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
  #ifdef OBJECT_PRINT
    code->Print(std::cout);
  #endif
    auto f = GeneratedCode<F1>::FromCode(*code);
    for (int i = 0; i < kNumCases; ++i) {
      int64_t res = reinterpret_cast<int64_t>(f.Call(i, 0, 0, 0, 0));
      ::printf("f(%d) = %" PRId64 "\n", i, res);
      CHECK_EQ(values[i], res);
    }
  }
  
  TEST(jump_tables6) {
    // Similar to test-assembler-mips jump_tables1, with extra test for branch
    // trampoline required after emission of the dd table (where trampolines are
    // blocked). This test checks if number of really generated instructions is
    // greater than number of counted instructions from code, as we are expecting
    // generation of trampoline in this case (when number of kFillInstr
    // instructions is close to 32K)
    CcTest::InitializeVM();
    Isolate* isolate = CcTest::i_isolate();
    HandleScope scope(isolate);
    MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
    MacroAssembler* masm = &assembler;
  
    const int kSwitchTableCases = 40;
  
    const int kMaxBranchOffset = Assembler::kMaxBranchOffset;
    const int kTrampolineSlotsSize = Assembler::kTrampolineSlotsSize;
    const int kSwitchTablePrologueSize = MacroAssembler::kSwitchTablePrologueSize;
  
    const int kMaxOffsetForTrampolineStart =
        kMaxBranchOffset - 16 * kTrampolineSlotsSize;
    const int kFillInstr = (kMaxOffsetForTrampolineStart / kInstrSize) -
                           (kSwitchTablePrologueSize + 2 * kSwitchTableCases) -
                           20;
  
    int values[kSwitchTableCases];
    isolate->random_number_generator()->NextBytes(values, sizeof(values));
    Label labels[kSwitchTableCases];
    Label near_start, end, done;
  
    __ Push(ra);
    __ mov(v0, zero_reg);
  
    int offs1 = masm->pc_offset();
    int gen_insn = 0;
  
    __ Branch(&end);
    gen_insn += Assembler::IsCompactBranchSupported() ? 1 : 2;
    __ bind(&near_start);
  
    // Generate slightly less than 32K instructions, which will soon require
    // trampoline for branch distance fixup.
    for (int i = 0; i < kFillInstr; ++i) {
      __ addiu(v0, v0, 1);
    }
    gen_insn += kFillInstr;
  
    __ GenerateSwitchTable(a0, kSwitchTableCases,
                           [&labels](size_t i) { return labels + i; });
    gen_insn += (kSwitchTablePrologueSize + 2 * kSwitchTableCases);
  
    for (int i = 0; i < kSwitchTableCases; ++i) {
      __ bind(&labels[i]);
      __ li(v0, values[i]);
      __ Branch(&done);
    }
    gen_insn +=
        ((Assembler::IsCompactBranchSupported() ? 3 : 4) * kSwitchTableCases);
  
    // If offset from here to first branch instr is greater than max allowed
    // offset for trampoline ...
    CHECK_LT(kMaxOffsetForTrampolineStart, masm->pc_offset() - offs1);
    // ... number of generated instructions must be greater then "gen_insn",
    // as we are expecting trampoline generation
    CHECK_LT(gen_insn, (masm->pc_offset() - offs1) / kInstrSize);
  
    __ bind(&done);
    __ Pop(ra);
    __ jr(ra);
    __ nop();
  
    __ bind(&end);
    __ Branch(&near_start);
  
    CodeDesc desc;
    masm->GetCode(isolate, &desc);
    Handle<Code> code =
        Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
  #ifdef OBJECT_PRINT
    code->Print(std::cout);
  #endif
    auto f = GeneratedCode<F1>::FromCode(*code);
    for (int i = 0; i < kSwitchTableCases; ++i) {
      int64_t res = reinterpret_cast<int64_t>(f.Call(i, 0, 0, 0, 0));
      ::printf("f(%d) = %" PRId64 "\n", i, res);
      CHECK_EQ(values[i], res);
    }
  }
  
  static uint64_t run_lsa(uint32_t rt, uint32_t rs, int8_t sa) {
    Isolate* isolate = CcTest::i_isolate();
    HandleScope scope(isolate);
    MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
    MacroAssembler* masm = &assembler;
  
    __ Lsa(v0, a0, a1, sa);
    __ jr(ra);
    __ nop();
  
    CodeDesc desc;
    assembler.GetCode(isolate, &desc);
    Handle<Code> code =
        Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
  
    auto f = GeneratedCode<F1>::FromCode(*code);
  
    uint64_t res = reinterpret_cast<uint64_t>(f.Call(rt, rs, 0, 0, 0));
  
    return res;
  }
  
  
  TEST(Lsa) {
    CcTest::InitializeVM();
    struct TestCaseLsa {
      int32_t rt;
      int32_t rs;
      uint8_t sa;
      uint64_t expected_res;
    };
  
    struct TestCaseLsa tc[] = {// rt, rs, sa, expected_res
                               {0x4, 0x1, 1, 0x6},
                               {0x4, 0x1, 2, 0x8},
                               {0x4, 0x1, 3, 0xC},
                               {0x4, 0x1, 4, 0x14},
                               {0x4, 0x1, 5, 0x24},
                               {0x0, 0x1, 1, 0x2},
                               {0x0, 0x1, 2, 0x4},
                               {0x0, 0x1, 3, 0x8},
                               {0x0, 0x1, 4, 0x10},
                               {0x0, 0x1, 5, 0x20},
                               {0x4, 0x0, 1, 0x4},
                               {0x4, 0x0, 2, 0x4},
                               {0x4, 0x0, 3, 0x4},
                               {0x4, 0x0, 4, 0x4},
                               {0x4, 0x0, 5, 0x4},
  
                               // Shift overflow.
                               {0x4, INT32_MAX, 1, 0x2},
                               {0x4, INT32_MAX >> 1, 2, 0x0},
                               {0x4, INT32_MAX >> 2, 3, 0xFFFFFFFFFFFFFFFC},
                               {0x4, INT32_MAX >> 3, 4, 0xFFFFFFFFFFFFFFF4},
                               {0x4, INT32_MAX >> 4, 5, 0xFFFFFFFFFFFFFFE4},
  
                               // Signed addition overflow.
                               {INT32_MAX - 1, 0x1, 1, 0xFFFFFFFF80000000},
                               {INT32_MAX - 3, 0x1, 2, 0xFFFFFFFF80000000},
                               {INT32_MAX - 7, 0x1, 3, 0xFFFFFFFF80000000},
                               {INT32_MAX - 15, 0x1, 4, 0xFFFFFFFF80000000},
                               {INT32_MAX - 31, 0x1, 5, 0xFFFFFFFF80000000},
  
                               // Addition overflow.
                               {-2, 0x1, 1, 0x0},
                               {-4, 0x1, 2, 0x0},
                               {-8, 0x1, 3, 0x0},
                               {-16, 0x1, 4, 0x0},
                               {-32, 0x1, 5, 0x0}};
  
    size_t nr_test_cases = sizeof(tc) / sizeof(TestCaseLsa);
    for (size_t i = 0; i < nr_test_cases; ++i) {
      uint64_t res = run_lsa(tc[i].rt, tc[i].rs, tc[i].sa);
      PrintF("0x%" PRIx64 " =? 0x%" PRIx64 " == Lsa(v0, %x, %x, %hhu)\n",
             tc[i].expected_res, res, tc[i].rt, tc[i].rs, tc[i].sa);
      CHECK_EQ(tc[i].expected_res, res);
    }
  }
  
  
  static uint64_t run_dlsa(uint64_t rt, uint64_t rs, int8_t sa) {
    Isolate* isolate = CcTest::i_isolate();
    HandleScope scope(isolate);
    MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
    MacroAssembler* masm = &assembler;
  
    __ Dlsa(v0, a0, a1, sa);
    __ jr(ra);
    __ nop();
  
    CodeDesc desc;
    assembler.GetCode(isolate, &desc);
    Handle<Code> code =
        Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
  
    auto f = GeneratedCode<FV>::FromCode(*code);
  
    uint64_t res = reinterpret_cast<uint64_t>(f.Call(rt, rs, 0, 0, 0));
  
    return res;
  }
  
  
  TEST(Dlsa) {
    CcTest::InitializeVM();
    struct TestCaseLsa {
      int64_t rt;
      int64_t rs;
      uint8_t sa;
      uint64_t expected_res;
    };
  
    struct TestCaseLsa tc[] = {// rt, rs, sa, expected_res
                               {0x4, 0x1, 1, 0x6},
                               {0x4, 0x1, 2, 0x8},
                               {0x4, 0x1, 3, 0xC},
                               {0x4, 0x1, 4, 0x14},
                               {0x4, 0x1, 5, 0x24},
                               {0x0, 0x1, 1, 0x2},
                               {0x0, 0x1, 2, 0x4},
                               {0x0, 0x1, 3, 0x8},
                               {0x0, 0x1, 4, 0x10},
                               {0x0, 0x1, 5, 0x20},
                               {0x4, 0x0, 1, 0x4},
                               {0x4, 0x0, 2, 0x4},
                               {0x4, 0x0, 3, 0x4},
                               {0x4, 0x0, 4, 0x4},
                               {0x4, 0x0, 5, 0x4},
  
                               // Shift overflow.
                               {0x4, INT64_MAX, 1, 0x2},
                               {0x4, INT64_MAX >> 1, 2, 0x0},
                               {0x4, INT64_MAX >> 2, 3, 0xFFFFFFFFFFFFFFFC},
                               {0x4, INT64_MAX >> 3, 4, 0xFFFFFFFFFFFFFFF4},
                               {0x4, INT64_MAX >> 4, 5, 0xFFFFFFFFFFFFFFE4},
  
                               // Signed addition overflow.
                               {INT64_MAX - 1, 0x1, 1, 0x8000000000000000},
                               {INT64_MAX - 3, 0x1, 2, 0x8000000000000000},
                               {INT64_MAX - 7, 0x1, 3, 0x8000000000000000},
                               {INT64_MAX - 15, 0x1, 4, 0x8000000000000000},
                               {INT64_MAX - 31, 0x1, 5, 0x8000000000000000},
  
                               // Addition overflow.
                               {-2, 0x1, 1, 0x0},
                               {-4, 0x1, 2, 0x0},
                               {-8, 0x1, 3, 0x0},
                               {-16, 0x1, 4, 0x0},
                               {-32, 0x1, 5, 0x0}};
  
    size_t nr_test_cases = sizeof(tc) / sizeof(TestCaseLsa);
    for (size_t i = 0; i < nr_test_cases; ++i) {
      uint64_t res = run_dlsa(tc[i].rt, tc[i].rs, tc[i].sa);
      PrintF("0x%" PRIx64 " =? 0x%" PRIx64 " == Dlsa(v0, %" PRIx64 ", %" PRIx64
             ", %hhu)\n",
             tc[i].expected_res, res, tc[i].rt, tc[i].rs, tc[i].sa);
      CHECK_EQ(tc[i].expected_res, res);
    }
  }
  
  static const std::vector<uint32_t> cvt_trunc_uint32_test_values() {
    static const uint32_t kValues[] = {0x00000000, 0x00000001, 0x00FFFF00,
                                       0x7FFFFFFF, 0x80000000, 0x80000001,
                                       0x80FFFF00, 0x8FFFFFFF, 0xFFFFFFFF};
    return std::vector<uint32_t>(&kValues[0], &kValues[arraysize(kValues)]);
  }
  
  static const std::vector<int32_t> cvt_trunc_int32_test_values() {
    static const int32_t kValues[] = {
        static_cast<int32_t>(0x00000000), static_cast<int32_t>(0x00000001),
        static_cast<int32_t>(0x00FFFF00), static_cast<int32_t>(0x7FFFFFFF),
        static_cast<int32_t>(0x80000000), static_cast<int32_t>(0x80000001),
        static_cast<int32_t>(0x80FFFF00), static_cast<int32_t>(0x8FFFFFFF),
        static_cast<int32_t>(0xFFFFFFFF)};
    return std::vector<int32_t>(&kValues[0], &kValues[arraysize(kValues)]);
  }
  
  static const std::vector<uint64_t> cvt_trunc_uint64_test_values() {
    static const uint64_t kValues[] = {
        0x0000000000000000, 0x0000000000000001, 0x0000FFFFFFFF0000,
        0x7FFFFFFFFFFFFFFF, 0x8000000000000000, 0x8000000000000001,
        0x8000FFFFFFFF0000, 0x8FFFFFFFFFFFFFFF, 0xFFFFFFFFFFFFFFFF};
    return std::vector<uint64_t>(&kValues[0], &kValues[arraysize(kValues)]);
  }
  
  static const std::vector<int64_t> cvt_trunc_int64_test_values() {
    static const int64_t kValues[] = {static_cast<int64_t>(0x0000000000000000),
                                      static_cast<int64_t>(0x0000000000000001),
                                      static_cast<int64_t>(0x0000FFFFFFFF0000),
                                      static_cast<int64_t>(0x7FFFFFFFFFFFFFFF),
                                      static_cast<int64_t>(0x8000000000000000),
                                      static_cast<int64_t>(0x8000000000000001),
                                      static_cast<int64_t>(0x8000FFFFFFFF0000),
                                      static_cast<int64_t>(0x8FFFFFFFFFFFFFFF),
                                      static_cast<int64_t>(0xFFFFFFFFFFFFFFFF)};
    return std::vector<int64_t>(&kValues[0], &kValues[arraysize(kValues)]);
  }
  
  // Helper macros that can be used in FOR_INT32_INPUTS(i) { ... *i ... }
  #define FOR_INPUTS(ctype, itype, var, test_vector)           \
    std::vector<ctype> var##_vec = test_vector();              \
    for (std::vector<ctype>::iterator var = var##_vec.begin(); \
         var != var##_vec.end(); ++var)
  
  #define FOR_INPUTS2(ctype, itype, var, var2, test_vector)  \
    std::vector<ctype> var##_vec = test_vector();            \
    std::vector<ctype>::iterator var;                        \
    std::vector<ctype>::reverse_iterator var2;               \
    for (var = var##_vec.begin(), var2 = var##_vec.rbegin(); \
         var != var##_vec.end(); ++var, ++var2)
  
  #define FOR_ENUM_INPUTS(var, type, test_vector) \
    FOR_INPUTS(enum type, type, var, test_vector)
  #define FOR_STRUCT_INPUTS(var, type, test_vector) \
    FOR_INPUTS(struct type, type, var, test_vector)
  #define FOR_INT32_INPUTS(var, test_vector) \
    FOR_INPUTS(int32_t, int32, var, test_vector)
  #define FOR_INT32_INPUTS2(var, var2, test_vector) \
    FOR_INPUTS2(int32_t, int32, var, var2, test_vector)
  #define FOR_INT64_INPUTS(var, test_vector) \
    FOR_INPUTS(int64_t, int64, var, test_vector)
  #define FOR_UINT32_INPUTS(var, test_vector) \
    FOR_INPUTS(uint32_t, uint32, var, test_vector)
  #define FOR_UINT64_INPUTS(var, test_vector) \
    FOR_INPUTS(uint64_t, uint64, var, test_vector)
  
  template <typename RET_TYPE, typename IN_TYPE, typename Func>
  RET_TYPE run_Cvt(IN_TYPE x, Func GenerateConvertInstructionFunc) {
    using F_CVT = RET_TYPE(IN_TYPE x0, int x1, int x2, int x3, int x4);
  
    Isolate* isolate = CcTest::i_isolate();
    HandleScope scope(isolate);
    MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
    MacroAssembler* masm = &assm;
  
    GenerateConvertInstructionFunc(masm);
    __ dmfc1(v0, f2);
    __ jr(ra);
    __ nop();
  
    CodeDesc desc;
    assm.GetCode(isolate, &desc);
    Handle<Code> code =
        Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
  
    auto f = GeneratedCode<F_CVT>::FromCode(*code);
  
    return reinterpret_cast<RET_TYPE>(f.Call(x, 0, 0, 0, 0));
  }
  
  TEST(Cvt_s_uw_Trunc_uw_s) {
    CcTest::InitializeVM();
    FOR_UINT32_INPUTS(i, cvt_trunc_uint32_test_values) {
      uint32_t input = *i;
      auto fn = [](MacroAssembler* masm) {
        __ Cvt_s_uw(f0, a0);
        __ mthc1(zero_reg, f2);
        __ Trunc_uw_s(f2, f0, f1);
      };
      CHECK_EQ(static_cast<float>(input), run_Cvt<uint64_t>(input, fn));
    }
  }
  
  TEST(Cvt_s_ul_Trunc_ul_s) {
    CcTest::InitializeVM();
    FOR_UINT64_INPUTS(i, cvt_trunc_uint64_test_values) {
      uint64_t input = *i;
      auto fn = [](MacroAssembler* masm) {
        __ Cvt_s_ul(f0, a0);
        __ Trunc_ul_s(f2, f0, f1, v0);
      };
      CHECK_EQ(static_cast<float>(input), run_Cvt<uint64_t>(input, fn));
    }
  }
  
  TEST(Cvt_d_ul_Trunc_ul_d) {
    CcTest::InitializeVM();
    FOR_UINT64_INPUTS(i, cvt_trunc_uint64_test_values) {
      uint64_t input = *i;
      auto fn = [](MacroAssembler* masm) {
        __ Cvt_d_ul(f0, a0);
        __ Trunc_ul_d(f2, f0, f1, v0);
      };
      CHECK_EQ(static_cast<double>(input), run_Cvt<uint64_t>(input, fn));
    }
  }
  
  TEST(cvt_d_l_Trunc_l_d) {
    CcTest::InitializeVM();
    FOR_INT64_INPUTS(i, cvt_trunc_int64_test_values) {
      int64_t input = *i;
      auto fn = [](MacroAssembler* masm) {
        __ dmtc1(a0, f4);
        __ cvt_d_l(f0, f4);
        __ Trunc_l_d(f2, f0);
      };
      CHECK_EQ(static_cast<double>(input), run_Cvt<int64_t>(input, fn));
    }
  }
  
  TEST(cvt_d_l_Trunc_l_ud) {
    CcTest::InitializeVM();
    FOR_INT64_INPUTS(i, cvt_trunc_int64_test_values) {
      int64_t input = *i;
      uint64_t abs_input = (input < 0) ? -input : input;
      auto fn = [](MacroAssembler* masm) {
        __ dmtc1(a0, f4);
        __ cvt_d_l(f0, f4);
        __ Trunc_l_ud(f2, f0, f6);
      };
      CHECK_EQ(static_cast<double>(abs_input), run_Cvt<uint64_t>(input, fn));
    }
  }
  
  TEST(cvt_d_w_Trunc_w_d) {
    CcTest::InitializeVM();
    FOR_INT32_INPUTS(i, cvt_trunc_int32_test_values) {
      int32_t input = *i;
      auto fn = [](MacroAssembler* masm) {
        __ mtc1(a0, f4);
        __ cvt_d_w(f0, f4);
        __ Trunc_w_d(f2, f0);
        __ mfc1(v1, f2);
        __ dmtc1(v1, f2);
      };
      CHECK_EQ(static_cast<double>(input), run_Cvt<int64_t>(input, fn));
    }
  }
  
  static const std::vector<int64_t> overflow_int64_test_values() {
    static const int64_t kValues[] = {static_cast<int64_t>(0xF000000000000000),
                                      static_cast<int64_t>(0x0000000000000001),
                                      static_cast<int64_t>(0xFF00000000000000),
                                      static_cast<int64_t>(0x0000F00111111110),
                                      static_cast<int64_t>(0x0F00001000000000),
                                      static_cast<int64_t>(0x991234AB12A96731),
                                      static_cast<int64_t>(0xB0FFFF0F0F0F0F01),
                                      static_cast<int64_t>(0x00006FFFFFFFFFFF),
                                      static_cast<int64_t>(0xFFFFFFFFFFFFFFFF)};
    return std::vector<int64_t>(&kValues[0], &kValues[arraysize(kValues)]);
  }
  
  TEST(OverflowInstructions) {
    CcTest::InitializeVM();
    Isolate* isolate = CcTest::i_isolate();
    HandleScope handles(isolate);
  
    struct T {
      int64_t lhs;
      int64_t rhs;
      int64_t output_add;
      int64_t output_add2;
      int64_t output_sub;
      int64_t output_sub2;
      int64_t output_mul;
      int64_t output_mul2;
      int64_t overflow_add;
      int64_t overflow_add2;
      int64_t overflow_sub;
      int64_t overflow_sub2;
      int64_t overflow_mul;
      int64_t overflow_mul2;
    };
    T t;
  
    FOR_INT64_INPUTS(i, overflow_int64_test_values) {
      FOR_INT64_INPUTS(j, overflow_int64_test_values) {
        int64_t ii = *i;
        int64_t jj = *j;
        int64_t expected_add, expected_sub;
        int32_t ii32 = static_cast<int32_t>(ii);
        int32_t jj32 = static_cast<int32_t>(jj);
        int32_t expected_mul;
        int64_t expected_add_ovf, expected_sub_ovf, expected_mul_ovf;
        MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
        MacroAssembler* masm = &assembler;
  
        __ ld(t0, MemOperand(a0, offsetof(T, lhs)));
        __ ld(t1, MemOperand(a0, offsetof(T, rhs)));
  
        __ DaddOverflow(t2, t0, Operand(t1), t3);
        __ sd(t2, MemOperand(a0, offsetof(T, output_add)));
        __ sd(t3, MemOperand(a0, offsetof(T, overflow_add)));
        __ mov(t3, zero_reg);
        __ DaddOverflow(t0, t0, Operand(t1), t3);
        __ sd(t0, MemOperand(a0, offsetof(T, output_add2)));
        __ sd(t3, MemOperand(a0, offsetof(T, overflow_add2)));
  
        __ ld(t0, MemOperand(a0, offsetof(T, lhs)));
        __ ld(t1, MemOperand(a0, offsetof(T, rhs)));
  
        __ DsubOverflow(t2, t0, Operand(t1), t3);
        __ sd(t2, MemOperand(a0, offsetof(T, output_sub)));
        __ sd(t3, MemOperand(a0, offsetof(T, overflow_sub)));
        __ mov(t3, zero_reg);
        __ DsubOverflow(t0, t0, Operand(t1), t3);
        __ sd(t0, MemOperand(a0, offsetof(T, output_sub2)));
        __ sd(t3, MemOperand(a0, offsetof(T, overflow_sub2)));
  
        __ ld(t0, MemOperand(a0, offsetof(T, lhs)));
        __ ld(t1, MemOperand(a0, offsetof(T, rhs)));
        __ sll(t0, t0, 0);
        __ sll(t1, t1, 0);
  
        __ MulOverflow(t2, t0, Operand(t1), t3);
        __ sd(t2, MemOperand(a0, offsetof(T, output_mul)));
        __ sd(t3, MemOperand(a0, offsetof(T, overflow_mul)));
        __ mov(t3, zero_reg);
        __ MulOverflow(t0, t0, Operand(t1), t3);
        __ sd(t0, MemOperand(a0, offsetof(T, output_mul2)));
        __ sd(t3, MemOperand(a0, offsetof(T, overflow_mul2)));
  
        __ jr(ra);
        __ nop();
  
        CodeDesc desc;
        masm->GetCode(isolate, &desc);
        Handle<Code> code =
            Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
        auto f = GeneratedCode<F3>::FromCode(*code);
        t.lhs = ii;
        t.rhs = jj;
        f.Call(&t, 0, 0, 0, 0);
  
        expected_add_ovf = base::bits::SignedAddOverflow64(ii, jj, &expected_add);
        expected_sub_ovf = base::bits::SignedSubOverflow64(ii, jj, &expected_sub);
        expected_mul_ovf =
            base::bits::SignedMulOverflow32(ii32, jj32, &expected_mul);
  
        CHECK_EQ(expected_add_ovf, t.overflow_add < 0);
        CHECK_EQ(expected_sub_ovf, t.overflow_sub < 0);
        CHECK_EQ(expected_mul_ovf, t.overflow_mul != 0);
  
        CHECK_EQ(t.overflow_add, t.overflow_add2);
        CHECK_EQ(t.overflow_sub, t.overflow_sub2);
        CHECK_EQ(t.overflow_mul, t.overflow_mul2);
  
        CHECK_EQ(expected_add, t.output_add);
        CHECK_EQ(expected_add, t.output_add2);
        CHECK_EQ(expected_sub, t.output_sub);
        CHECK_EQ(expected_sub, t.output_sub2);
        if (!expected_mul_ovf) {
          CHECK_EQ(expected_mul, t.output_mul);
          CHECK_EQ(expected_mul, t.output_mul2);
        }
      }
    }
  }
  
  TEST(min_max_nan) {
    CcTest::InitializeVM();
    Isolate* isolate = CcTest::i_isolate();
    HandleScope scope(isolate);
    MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
    MacroAssembler* masm = &assembler;
  
    struct TestFloat {
      double a;
      double b;
      double c;
      double d;
      float e;
      float f;
      float g;
      float h;
    };
  
    TestFloat test;
    const double dnan = std::numeric_limits<double>::quiet_NaN();
    const double dinf = std::numeric_limits<double>::infinity();
    const double dminf = -std::numeric_limits<double>::infinity();
    const float fnan = std::numeric_limits<float>::quiet_NaN();
    const float finf = std::numeric_limits<float>::infinity();
    const float fminf = std::numeric_limits<float>::infinity();
    const int kTableLength = 13;
  
    double inputsa[kTableLength] = {2.0,  3.0,  -0.0, 0.0,  42.0, dinf, dminf,
                                    dinf, dnan, 3.0,  dinf, dnan, dnan};
    double inputsb[kTableLength] = {3.0,   2.0, 0.0,  -0.0, dinf, 42.0, dinf,
                                    dminf, 3.0, dnan, dnan, dinf, dnan};
    double outputsdmin[kTableLength] = {2.0,  2.0,   -0.0,  -0.0, 42.0,
                                        42.0, dminf, dminf, dnan, dnan,
                                        dnan, dnan,  dnan};
    double outputsdmax[kTableLength] = {3.0,  3.0,  0.0,  0.0,  dinf, dinf, dinf,
                                        dinf, dnan, dnan, dnan, dnan, dnan};
  
    float inputse[kTableLength] = {2.0,  3.0,  -0.0, 0.0,  42.0, finf, fminf,
                                   finf, fnan, 3.0,  finf, fnan, fnan};
    float inputsf[kTableLength] = {3.0,   2.0, 0.0,  -0.0, finf, 42.0, finf,
                                   fminf, 3.0, fnan, fnan, finf, fnan};
    float outputsfmin[kTableLength] = {2.0,   2.0,  -0.0, -0.0, 42.0, 42.0, fminf,
                                       fminf, fnan, fnan, fnan, fnan, fnan};
    float outputsfmax[kTableLength] = {3.0,  3.0,  0.0,  0.0,  finf, finf, finf,
                                       finf, fnan, fnan, fnan, fnan, fnan};
  
    auto handle_dnan = [masm](FPURegister dst, Label* nan, Label* back) {
      __ bind(nan);
      __ LoadRoot(t8, RootIndex::kNanValue);
      __ Ldc1(dst, FieldMemOperand(t8, HeapNumber::kValueOffset));
      __ Branch(back);
    };
  
    auto handle_snan = [masm, fnan](FPURegister dst, Label* nan, Label* back) {
      __ bind(nan);
      __ Move(dst, fnan);
      __ Branch(back);
    };
  
    Label handle_mind_nan, handle_maxd_nan, handle_mins_nan, handle_maxs_nan;
    Label back_mind_nan, back_maxd_nan, back_mins_nan, back_maxs_nan;
  
    __ push(s6);
    __ InitializeRootRegister();
    __ Ldc1(f4, MemOperand(a0, offsetof(TestFloat, a)));
    __ Ldc1(f8, MemOperand(a0, offsetof(TestFloat, b)));
    __ Lwc1(f2, MemOperand(a0, offsetof(TestFloat, e)));
    __ Lwc1(f6, MemOperand(a0, offsetof(TestFloat, f)));
    __ Float64Min(f10, f4, f8, &handle_mind_nan);
    __ bind(&back_mind_nan);
    __ Float64Max(f12, f4, f8, &handle_maxd_nan);
    __ bind(&back_maxd_nan);
    __ Float32Min(f14, f2, f6, &handle_mins_nan);
    __ bind(&back_mins_nan);
    __ Float32Max(f16, f2, f6, &handle_maxs_nan);
    __ bind(&back_maxs_nan);
    __ Sdc1(f10, MemOperand(a0, offsetof(TestFloat, c)));
    __ Sdc1(f12, MemOperand(a0, offsetof(TestFloat, d)));
    __ Swc1(f14, MemOperand(a0, offsetof(TestFloat, g)));
    __ Swc1(f16, MemOperand(a0, offsetof(TestFloat, h)));
    __ pop(s6);
    __ jr(ra);
    __ nop();
  
    handle_dnan(f10, &handle_mind_nan, &back_mind_nan);
    handle_dnan(f12, &handle_maxd_nan, &back_maxd_nan);
    handle_snan(f14, &handle_mins_nan, &back_mins_nan);
    handle_snan(f16, &handle_maxs_nan, &back_maxs_nan);
  
    CodeDesc desc;
    masm->GetCode(isolate, &desc);
    Handle<Code> code =
        Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
    auto f = GeneratedCode<F3>::FromCode(*code);
    for (int i = 0; i < kTableLength; i++) {
      test.a = inputsa[i];
      test.b = inputsb[i];
      test.e = inputse[i];
      test.f = inputsf[i];
  
      f.Call(&test, 0, 0, 0, 0);
  
      CHECK_EQ(0, memcmp(&test.c, &outputsdmin[i], sizeof(test.c)));
      CHECK_EQ(0, memcmp(&test.d, &outputsdmax[i], sizeof(test.d)));
      CHECK_EQ(0, memcmp(&test.g, &outputsfmin[i], sizeof(test.g)));
      CHECK_EQ(0, memcmp(&test.h, &outputsfmax[i], sizeof(test.h)));
    }
  }
  
  template <typename IN_TYPE, typename Func>
  bool run_Unaligned(char* memory_buffer, int32_t in_offset, int32_t out_offset,
                     IN_TYPE value, Func GenerateUnalignedInstructionFunc) {
    using F_CVT = int32_t(char* x0, int x1, int x2, int x3, int x4);
  
    Isolate* isolate = CcTest::i_isolate();
    HandleScope scope(isolate);
    MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
    MacroAssembler* masm = &assm;
    IN_TYPE res;
  
    GenerateUnalignedInstructionFunc(masm, in_offset, out_offset);
    __ jr(ra);
    __ nop();
  
    CodeDesc desc;
    assm.GetCode(isolate, &desc);
    Handle<Code> code =
        Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
  
    auto f = GeneratedCode<F_CVT>::FromCode(*code);
  
    MemCopy(memory_buffer + in_offset, &value, sizeof(IN_TYPE));
    f.Call(memory_buffer, 0, 0, 0, 0);
    MemCopy(&res, memory_buffer + out_offset, sizeof(IN_TYPE));
  
    return res == value;
  }
  
  static const std::vector<uint64_t> unsigned_test_values() {
    static const uint64_t kValues[] = {
        0x2180F18A06384414, 0x000A714532102277, 0xBC1ACCCF180649F0,
        0x8000000080008000, 0x0000000000000001, 0xFFFFFFFFFFFFFFFF,
    };
    return std::vector<uint64_t>(&kValues[0], &kValues[arraysize(kValues)]);
  }
  
  static const std::vector<int32_t> unsigned_test_offset() {
    static const int32_t kValues[] = {// value, offset
                                      -132 * KB, -21 * KB, 0, 19 * KB, 135 * KB};
    return std::vector<int32_t>(&kValues[0], &kValues[arraysize(kValues)]);
  }
  
  static const std::vector<int32_t> unsigned_test_offset_increment() {
    static const int32_t kValues[] = {-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5};
    return std::vector<int32_t>(&kValues[0], &kValues[arraysize(kValues)]);
  }
  
  TEST(Ulh) {
    CcTest::InitializeVM();
  
    static const int kBufferSize = 300 * KB;
    char memory_buffer[kBufferSize];
    char* buffer_middle = memory_buffer + (kBufferSize / 2);
  
    FOR_UINT64_INPUTS(i, unsigned_test_values) {
      FOR_INT32_INPUTS2(j1, j2, unsigned_test_offset) {
        FOR_INT32_INPUTS2(k1, k2, unsigned_test_offset_increment) {
          uint16_t value = static_cast<uint64_t>(*i & 0xFFFF);
          int32_t in_offset = *j1 + *k1;
          int32_t out_offset = *j2 + *k2;
  
          auto fn_1 = [](MacroAssembler* masm, int32_t in_offset,
                         int32_t out_offset) {
            __ Ulh(v0, MemOperand(a0, in_offset));
            __ Ush(v0, MemOperand(a0, out_offset), v0);
          };
          CHECK_EQ(true, run_Unaligned<uint16_t>(buffer_middle, in_offset,
                                                 out_offset, value, fn_1));
  
          auto fn_2 = [](MacroAssembler* masm, int32_t in_offset,
                         int32_t out_offset) {
            __ mov(t0, a0);
            __ Ulh(a0, MemOperand(a0, in_offset));
            __ Ush(a0, MemOperand(t0, out_offset), v0);
          };
          CHECK_EQ(true, run_Unaligned<uint16_t>(buffer_middle, in_offset,
                                                 out_offset, value, fn_2));
  
          auto fn_3 = [](MacroAssembler* masm, int32_t in_offset,
                         int32_t out_offset) {
            __ mov(t0, a0);
            __ Ulhu(a0, MemOperand(a0, in_offset));
            __ Ush(a0, MemOperand(t0, out_offset), t1);
          };
          CHECK_EQ(true, run_Unaligned<uint16_t>(buffer_middle, in_offset,
                                                 out_offset, value, fn_3));
  
          auto fn_4 = [](MacroAssembler* masm, int32_t in_offset,
                         int32_t out_offset) {
            __ Ulhu(v0, MemOperand(a0, in_offset));
            __ Ush(v0, MemOperand(a0, out_offset), t1);
          };
          CHECK_EQ(true, run_Unaligned<uint16_t>(buffer_middle, in_offset,
                                                 out_offset, value, fn_4));
        }
      }
    }
  }
  
  TEST(Ulh_bitextension) {
    CcTest::InitializeVM();
  
    static const int kBufferSize = 300 * KB;
    char memory_buffer[kBufferSize];
    char* buffer_middle = memory_buffer + (kBufferSize / 2);
  
    FOR_UINT64_INPUTS(i, unsigned_test_values) {
      FOR_INT32_INPUTS2(j1, j2, unsigned_test_offset) {
        FOR_INT32_INPUTS2(k1, k2, unsigned_test_offset_increment) {
          uint16_t value = static_cast<uint64_t>(*i & 0xFFFF);
          int32_t in_offset = *j1 + *k1;
          int32_t out_offset = *j2 + *k2;
  
          auto fn = [](MacroAssembler* masm, int32_t in_offset,
                       int32_t out_offset) {
            Label success, fail, end, different;
            __ Ulh(t0, MemOperand(a0, in_offset));
            __ Ulhu(t1, MemOperand(a0, in_offset));
            __ Branch(&different, ne, t0, Operand(t1));
  
            // If signed and unsigned values are same, check
            // the upper bits to see if they are zero
            __ sra(t0, t0, 15);
            __ Branch(&success, eq, t0, Operand(zero_reg));
            __ Branch(&fail);
  
            // If signed and unsigned values are different,
            // check that the upper bits are complementary
            __ bind(&different);
            __ sra(t1, t1, 15);
            __ Branch(&fail, ne, t1, Operand(1));
            __ sra(t0, t0, 15);
            __ addiu(t0, t0, 1);
            __ Branch(&fail, ne, t0, Operand(zero_reg));
            // Fall through to success
  
            __ bind(&success);
            __ Ulh(t0, MemOperand(a0, in_offset));
            __ Ush(t0, MemOperand(a0, out_offset), v0);
            __ Branch(&end);
            __ bind(&fail);
            __ Ush(zero_reg, MemOperand(a0, out_offset), v0);
            __ bind(&end);
          };
          CHECK_EQ(true, run_Unaligned<uint16_t>(buffer_middle, in_offset,
                                                 out_offset, value, fn));
        }
      }
    }
  }
  
  TEST(Ulw) {
    CcTest::InitializeVM();
  
    static const int kBufferSize = 300 * KB;
    char memory_buffer[kBufferSize];
    char* buffer_middle = memory_buffer + (kBufferSize / 2);
  
    FOR_UINT64_INPUTS(i, unsigned_test_values) {
      FOR_INT32_INPUTS2(j1, j2, unsigned_test_offset) {
        FOR_INT32_INPUTS2(k1, k2, unsigned_test_offset_increment) {
          uint32_t value = static_cast<uint32_t>(*i & 0xFFFFFFFF);
          int32_t in_offset = *j1 + *k1;
          int32_t out_offset = *j2 + *k2;
  
          auto fn_1 = [](MacroAssembler* masm, int32_t in_offset,
                         int32_t out_offset) {
            __ Ulw(v0, MemOperand(a0, in_offset));
            __ Usw(v0, MemOperand(a0, out_offset));
          };
          CHECK_EQ(true, run_Unaligned<uint32_t>(buffer_middle, in_offset,
                                                 out_offset, value, fn_1));
  
          auto fn_2 = [](MacroAssembler* masm, int32_t in_offset,
                         int32_t out_offset) {
            __ mov(t0, a0);
            __ Ulw(a0, MemOperand(a0, in_offset));
            __ Usw(a0, MemOperand(t0, out_offset));
          };
          CHECK_EQ(true,
                   run_Unaligned<uint32_t>(buffer_middle, in_offset, out_offset,
                                           (uint32_t)value, fn_2));
  
          auto fn_3 = [](MacroAssembler* masm, int32_t in_offset,
                         int32_t out_offset) {
            __ Ulwu(v0, MemOperand(a0, in_offset));
            __ Usw(v0, MemOperand(a0, out_offset));
          };
          CHECK_EQ(true, run_Unaligned<uint32_t>(buffer_middle, in_offset,
                                                 out_offset, value, fn_3));
  
          auto fn_4 = [](MacroAssembler* masm, int32_t in_offset,
                         int32_t out_offset) {
            __ mov(t0, a0);
            __ Ulwu(a0, MemOperand(a0, in_offset));
            __ Usw(a0, MemOperand(t0, out_offset));
          };
          CHECK_EQ(true,
                   run_Unaligned<uint32_t>(buffer_middle, in_offset, out_offset,
                                           (uint32_t)value, fn_4));
        }
      }
    }
  }
  
  TEST(Ulw_extension) {
    CcTest::InitializeVM();
  
    static const int kBufferSize = 300 * KB;
    char memory_buffer[kBufferSize];
    char* buffer_middle = memory_buffer + (kBufferSize / 2);
  
    FOR_UINT64_INPUTS(i, unsigned_test_values) {
      FOR_INT32_INPUTS2(j1, j2, unsigned_test_offset) {
        FOR_INT32_INPUTS2(k1, k2, unsigned_test_offset_increment) {
          uint32_t value = static_cast<uint32_t>(*i & 0xFFFFFFFF);
          int32_t in_offset = *j1 + *k1;
          int32_t out_offset = *j2 + *k2;
  
          auto fn = [](MacroAssembler* masm, int32_t in_offset,
                       int32_t out_offset) {
            Label success, fail, end, different;
            __ Ulw(t0, MemOperand(a0, in_offset));
            __ Ulwu(t1, MemOperand(a0, in_offset));
            __ Branch(&different, ne, t0, Operand(t1));
  
            // If signed and unsigned values are same, check
            // the upper bits to see if they are zero
            __ dsra(t0, t0, 31);
            __ Branch(&success, eq, t0, Operand(zero_reg));
            __ Branch(&fail);
  
            // If signed and unsigned values are different,
            // check that the upper bits are complementary
            __ bind(&different);
            __ dsra(t1, t1, 31);
            __ Branch(&fail, ne, t1, Operand(1));
            __ dsra(t0, t0, 31);
            __ daddiu(t0, t0, 1);
            __ Branch(&fail, ne, t0, Operand(zero_reg));
            // Fall through to success
  
            __ bind(&success);
            __ Ulw(t0, MemOperand(a0, in_offset));
            __ Usw(t0, MemOperand(a0, out_offset));
            __ Branch(&end);
            __ bind(&fail);
            __ Usw(zero_reg, MemOperand(a0, out_offset));
            __ bind(&end);
          };
          CHECK_EQ(true, run_Unaligned<uint32_t>(buffer_middle, in_offset,
                                                 out_offset, value, fn));
        }
      }
    }
  }
  
  TEST(Uld) {
    CcTest::InitializeVM();
  
    static const int kBufferSize = 300 * KB;
    char memory_buffer[kBufferSize];
    char* buffer_middle = memory_buffer + (kBufferSize / 2);
  
    FOR_UINT64_INPUTS(i, unsigned_test_values) {
      FOR_INT32_INPUTS2(j1, j2, unsigned_test_offset) {
        FOR_INT32_INPUTS2(k1, k2, unsigned_test_offset_increment) {
          uint64_t value = *i;
          int32_t in_offset = *j1 + *k1;
          int32_t out_offset = *j2 + *k2;
  
          auto fn_1 = [](MacroAssembler* masm, int32_t in_offset,
                         int32_t out_offset) {
            __ Uld(v0, MemOperand(a0, in_offset));
            __ Usd(v0, MemOperand(a0, out_offset));
          };
          CHECK_EQ(true, run_Unaligned<uint64_t>(buffer_middle, in_offset,
                                                 out_offset, value, fn_1));
  
          auto fn_2 = [](MacroAssembler* masm, int32_t in_offset,
                         int32_t out_offset) {
            __ mov(t0, a0);
            __ Uld(a0, MemOperand(a0, in_offset));
            __ Usd(a0, MemOperand(t0, out_offset));
          };
          CHECK_EQ(true,
                   run_Unaligned<uint64_t>(buffer_middle, in_offset, out_offset,
                                           (uint32_t)value, fn_2));
        }
      }
    }
  }
  
  TEST(Ulwc1) {
    CcTest::InitializeVM();
  
    static const int kBufferSize = 300 * KB;
    char memory_buffer[kBufferSize];
    char* buffer_middle = memory_buffer + (kBufferSize / 2);
  
    FOR_UINT64_INPUTS(i, unsigned_test_values) {
      FOR_INT32_INPUTS2(j1, j2, unsigned_test_offset) {
        FOR_INT32_INPUTS2(k1, k2, unsigned_test_offset_increment) {
          float value = static_cast<float>(*i & 0xFFFFFFFF);
          int32_t in_offset = *j1 + *k1;
          int32_t out_offset = *j2 + *k2;
  
          auto fn = [](MacroAssembler* masm, int32_t in_offset,
                       int32_t out_offset) {
            __ Ulwc1(f0, MemOperand(a0, in_offset), t0);
            __ Uswc1(f0, MemOperand(a0, out_offset), t0);
          };
          CHECK_EQ(true, run_Unaligned<float>(buffer_middle, in_offset,
                                              out_offset, value, fn));
        }
      }
    }
  }
  
  TEST(Uldc1) {
    CcTest::InitializeVM();
  
    static const int kBufferSize = 300 * KB;
    char memory_buffer[kBufferSize];
    char* buffer_middle = memory_buffer + (kBufferSize / 2);
  
    FOR_UINT64_INPUTS(i, unsigned_test_values) {
      FOR_INT32_INPUTS2(j1, j2, unsigned_test_offset) {
        FOR_INT32_INPUTS2(k1, k2, unsigned_test_offset_increment) {
          double value = static_cast<double>(*i);
          int32_t in_offset = *j1 + *k1;
          int32_t out_offset = *j2 + *k2;
  
          auto fn = [](MacroAssembler* masm, int32_t in_offset,
                       int32_t out_offset) {
            __ Uldc1(f0, MemOperand(a0, in_offset), t0);
            __ Usdc1(f0, MemOperand(a0, out_offset), t0);
          };
          CHECK_EQ(true, run_Unaligned<double>(buffer_middle, in_offset,
                                               out_offset, value, fn));
        }
      }
    }
  }
  
  static const std::vector<uint64_t> sltu_test_values() {
    static const uint64_t kValues[] = {
        0,
        1,
        0x7FFE,
        0x7FFF,
        0x8000,
        0x8001,
        0xFFFE,
        0xFFFF,
        0xFFFFFFFFFFFF7FFE,
        0xFFFFFFFFFFFF7FFF,
        0xFFFFFFFFFFFF8000,
        0xFFFFFFFFFFFF8001,
        0xFFFFFFFFFFFFFFFE,
        0xFFFFFFFFFFFFFFFF,
    };
    return std::vector<uint64_t>(&kValues[0], &kValues[arraysize(kValues)]);
  }
  
  template <typename Func>
  bool run_Sltu(uint64_t rs, uint64_t rd, Func GenerateSltuInstructionFunc) {
    using F_CVT = int64_t(uint64_t x0, uint64_t x1, int x2, int x3, int x4);
  
    Isolate* isolate = CcTest::i_isolate();
    HandleScope scope(isolate);
    MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
    MacroAssembler* masm = &assm;
  
    GenerateSltuInstructionFunc(masm, rd);
    __ jr(ra);
    __ nop();
  
    CodeDesc desc;
    assm.GetCode(isolate, &desc);
    Handle<Code> code =
        Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
  
    auto f = GeneratedCode<F_CVT>::FromCode(*code);
    int64_t res = reinterpret_cast<int64_t>(f.Call(rs, rd, 0, 0, 0));
    return res == 1;
  }
  
  TEST(Sltu) {
    CcTest::InitializeVM();
  
    FOR_UINT64_INPUTS(i, sltu_test_values) {
      FOR_UINT64_INPUTS(j, sltu_test_values) {
        uint64_t rs = *i;
        uint64_t rd = *j;
  
        auto fn_1 = [](MacroAssembler* masm, uint64_t imm) {
          __ Sltu(v0, a0, Operand(imm));
        };
        CHECK_EQ(rs < rd, run_Sltu(rs, rd, fn_1));
  
        auto fn_2 = [](MacroAssembler* masm, uint64_t imm) {
          __ Sltu(v0, a0, a1);
        };
        CHECK_EQ(rs < rd, run_Sltu(rs, rd, fn_2));
      }
    }
  }
  
  template <typename T, typename Inputs, typename Results>
  static GeneratedCode<F4> GenerateMacroFloat32MinMax(MacroAssembler* masm) {
    T a = T::from_code(4);  // f4
    T b = T::from_code(6);  // f6
    T c = T::from_code(8);  // f8
  
    Label ool_min_abc, ool_min_aab, ool_min_aba;
    Label ool_max_abc, ool_max_aab, ool_max_aba;
  
    Label done_min_abc, done_min_aab, done_min_aba;
    Label done_max_abc, done_max_aab, done_max_aba;
  
  #define FLOAT_MIN_MAX(fminmax, res, x, y, done, ool, res_field) \
    __ Lwc1(x, MemOperand(a0, offsetof(Inputs, src1_)));          \
    __ Lwc1(y, MemOperand(a0, offsetof(Inputs, src2_)));          \
    __ fminmax(res, x, y, &ool);                                  \
    __ bind(&done);                                               \
    __ Swc1(a, MemOperand(a1, offsetof(Results, res_field)))
  
    // a = min(b, c);
    FLOAT_MIN_MAX(Float32Min, a, b, c, done_min_abc, ool_min_abc, min_abc_);
    // a = min(a, b);
    FLOAT_MIN_MAX(Float32Min, a, a, b, done_min_aab, ool_min_aab, min_aab_);
    // a = min(b, a);
    FLOAT_MIN_MAX(Float32Min, a, b, a, done_min_aba, ool_min_aba, min_aba_);
  
    // a = max(b, c);
    FLOAT_MIN_MAX(Float32Max, a, b, c, done_max_abc, ool_max_abc, max_abc_);
    // a = max(a, b);
    FLOAT_MIN_MAX(Float32Max, a, a, b, done_max_aab, ool_max_aab, max_aab_);
    // a = max(b, a);
    FLOAT_MIN_MAX(Float32Max, a, b, a, done_max_aba, ool_max_aba, max_aba_);
  
  #undef FLOAT_MIN_MAX
  
    __ jr(ra);
    __ nop();
  
    // Generate out-of-line cases.
    __ bind(&ool_min_abc);
    __ Float32MinOutOfLine(a, b, c);
    __ Branch(&done_min_abc);
  
    __ bind(&ool_min_aab);
    __ Float32MinOutOfLine(a, a, b);
    __ Branch(&done_min_aab);
  
    __ bind(&ool_min_aba);
    __ Float32MinOutOfLine(a, b, a);
    __ Branch(&done_min_aba);
  
    __ bind(&ool_max_abc);
    __ Float32MaxOutOfLine(a, b, c);
    __ Branch(&done_max_abc);
  
    __ bind(&ool_max_aab);
    __ Float32MaxOutOfLine(a, a, b);
    __ Branch(&done_max_aab);
  
    __ bind(&ool_max_aba);
    __ Float32MaxOutOfLine(a, b, a);
    __ Branch(&done_max_aba);
  
    CodeDesc desc;
    masm->GetCode(masm->isolate(), &desc);
    Handle<Code> code =
        Factory::CodeBuilder(masm->isolate(), desc, CodeKind::FOR_TESTING)
            .Build();
  #ifdef DEBUG
    StdoutStream os;
    code->Print(os);
  #endif
    return GeneratedCode<F4>::FromCode(*code);
  }
  
  TEST(macro_float_minmax_f32) {
    // Test the Float32Min and Float32Max macros.
    CcTest::InitializeVM();
    Isolate* isolate = CcTest::i_isolate();
    HandleScope scope(isolate);
  
    MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
    MacroAssembler* masm = &assembler;
  
    struct Inputs {
      float src1_;
      float src2_;
    };
  
    struct Results {
      // Check all register aliasing possibilities in order to exercise all
      // code-paths in the macro assembler.
      float min_abc_;
      float min_aab_;
      float min_aba_;
      float max_abc_;
      float max_aab_;
      float max_aba_;
    };
  
    GeneratedCode<F4> f =
        GenerateMacroFloat32MinMax<FPURegister, Inputs, Results>(masm);
  
  #define CHECK_MINMAX(src1, src2, min, max)                                   \
    do {                                                                       \
      Inputs inputs = {src1, src2};                                            \
      Results results;                                                         \
      f.Call(&inputs, &results, 0, 0, 0);                                      \
      CHECK_EQ(bit_cast<uint32_t>(min), bit_cast<uint32_t>(results.min_abc_)); \
      CHECK_EQ(bit_cast<uint32_t>(min), bit_cast<uint32_t>(results.min_aab_)); \
      CHECK_EQ(bit_cast<uint32_t>(min), bit_cast<uint32_t>(results.min_aba_)); \
      CHECK_EQ(bit_cast<uint32_t>(max), bit_cast<uint32_t>(results.max_abc_)); \
      CHECK_EQ(bit_cast<uint32_t>(max), bit_cast<uint32_t>(results.max_aab_)); \
      CHECK_EQ(bit_cast<uint32_t>(max), bit_cast<uint32_t>(results.max_aba_)); \
      /* Use a bit_cast to correctly identify -0.0 and NaNs. */                \
    } while (0)
  
    float nan_a = std::numeric_limits<float>::quiet_NaN();
    float nan_b = std::numeric_limits<float>::quiet_NaN();
  
    CHECK_MINMAX(1.0f, -1.0f, -1.0f, 1.0f);
    CHECK_MINMAX(-1.0f, 1.0f, -1.0f, 1.0f);
    CHECK_MINMAX(0.0f, -1.0f, -1.0f, 0.0f);
    CHECK_MINMAX(-1.0f, 0.0f, -1.0f, 0.0f);
    CHECK_MINMAX(-0.0f, -1.0f, -1.0f, -0.0f);
    CHECK_MINMAX(-1.0f, -0.0f, -1.0f, -0.0f);
    CHECK_MINMAX(0.0f, 1.0f, 0.0f, 1.0f);
    CHECK_MINMAX(1.0f, 0.0f, 0.0f, 1.0f);
  
    CHECK_MINMAX(0.0f, 0.0f, 0.0f, 0.0f);
    CHECK_MINMAX(-0.0f, -0.0f, -0.0f, -0.0f);
    CHECK_MINMAX(-0.0f, 0.0f, -0.0f, 0.0f);
    CHECK_MINMAX(0.0f, -0.0f, -0.0f, 0.0f);
  
    CHECK_MINMAX(0.0f, nan_a, nan_a, nan_a);
    CHECK_MINMAX(nan_a, 0.0f, nan_a, nan_a);
    CHECK_MINMAX(nan_a, nan_b, nan_a, nan_a);
    CHECK_MINMAX(nan_b, nan_a, nan_b, nan_b);
  
  #undef CHECK_MINMAX
  }
  
  template <typename T, typename Inputs, typename Results>
  static GeneratedCode<F4> GenerateMacroFloat64MinMax(MacroAssembler* masm) {
    T a = T::from_code(4);  // f4
    T b = T::from_code(6);  // f6
    T c = T::from_code(8);  // f8
  
    Label ool_min_abc, ool_min_aab, ool_min_aba;
    Label ool_max_abc, ool_max_aab, ool_max_aba;
  
    Label done_min_abc, done_min_aab, done_min_aba;
    Label done_max_abc, done_max_aab, done_max_aba;
  
  #define FLOAT_MIN_MAX(fminmax, res, x, y, done, ool, res_field) \
    __ Ldc1(x, MemOperand(a0, offsetof(Inputs, src1_)));          \
    __ Ldc1(y, MemOperand(a0, offsetof(Inputs, src2_)));          \
    __ fminmax(res, x, y, &ool);                                  \
    __ bind(&done);                                               \
    __ Sdc1(a, MemOperand(a1, offsetof(Results, res_field)))
  
    // a = min(b, c);
    FLOAT_MIN_MAX(Float64Min, a, b, c, done_min_abc, ool_min_abc, min_abc_);
    // a = min(a, b);
    FLOAT_MIN_MAX(Float64Min, a, a, b, done_min_aab, ool_min_aab, min_aab_);
    // a = min(b, a);
    FLOAT_MIN_MAX(Float64Min, a, b, a, done_min_aba, ool_min_aba, min_aba_);
  
    // a = max(b, c);
    FLOAT_MIN_MAX(Float64Max, a, b, c, done_max_abc, ool_max_abc, max_abc_);
    // a = max(a, b);
    FLOAT_MIN_MAX(Float64Max, a, a, b, done_max_aab, ool_max_aab, max_aab_);
    // a = max(b, a);
    FLOAT_MIN_MAX(Float64Max, a, b, a, done_max_aba, ool_max_aba, max_aba_);
  
  #undef FLOAT_MIN_MAX
  
    __ jr(ra);
    __ nop();
  
    // Generate out-of-line cases.
    __ bind(&ool_min_abc);
    __ Float64MinOutOfLine(a, b, c);
    __ Branch(&done_min_abc);
  
    __ bind(&ool_min_aab);
    __ Float64MinOutOfLine(a, a, b);
    __ Branch(&done_min_aab);
  
    __ bind(&ool_min_aba);
    __ Float64MinOutOfLine(a, b, a);
    __ Branch(&done_min_aba);
  
    __ bind(&ool_max_abc);
    __ Float64MaxOutOfLine(a, b, c);
    __ Branch(&done_max_abc);
  
    __ bind(&ool_max_aab);
    __ Float64MaxOutOfLine(a, a, b);
    __ Branch(&done_max_aab);
  
    __ bind(&ool_max_aba);
    __ Float64MaxOutOfLine(a, b, a);
    __ Branch(&done_max_aba);
  
    CodeDesc desc;
    masm->GetCode(masm->isolate(), &desc);
    Handle<Code> code =
        Factory::CodeBuilder(masm->isolate(), desc, CodeKind::FOR_TESTING)
            .Build();
  #ifdef DEBUG
    StdoutStream os;
    code->Print(os);
  #endif
    return GeneratedCode<F4>::FromCode(*code);
  }
  
  TEST(macro_float_minmax_f64) {
    // Test the Float64Min and Float64Max macros.
    CcTest::InitializeVM();
    Isolate* isolate = CcTest::i_isolate();
    HandleScope scope(isolate);
  
    MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
    MacroAssembler* masm = &assembler;
  
    struct Inputs {
      double src1_;
      double src2_;
    };
  
    struct Results {
      // Check all register aliasing possibilities in order to exercise all
      // code-paths in the macro assembler.
      double min_abc_;
      double min_aab_;
      double min_aba_;
      double max_abc_;
      double max_aab_;
      double max_aba_;
    };
  
    GeneratedCode<F4> f =
        GenerateMacroFloat64MinMax<DoubleRegister, Inputs, Results>(masm);
  
  #define CHECK_MINMAX(src1, src2, min, max)                                   \
    do {                                                                       \
      Inputs inputs = {src1, src2};                                            \
      Results results;                                                         \
      f.Call(&inputs, &results, 0, 0, 0);                                      \
      CHECK_EQ(bit_cast<uint64_t>(min), bit_cast<uint64_t>(results.min_abc_)); \
      CHECK_EQ(bit_cast<uint64_t>(min), bit_cast<uint64_t>(results.min_aab_)); \
      CHECK_EQ(bit_cast<uint64_t>(min), bit_cast<uint64_t>(results.min_aba_)); \
      CHECK_EQ(bit_cast<uint64_t>(max), bit_cast<uint64_t>(results.max_abc_)); \
      CHECK_EQ(bit_cast<uint64_t>(max), bit_cast<uint64_t>(results.max_aab_)); \
      CHECK_EQ(bit_cast<uint64_t>(max), bit_cast<uint64_t>(results.max_aba_)); \
      /* Use a bit_cast to correctly identify -0.0 and NaNs. */                \
    } while (0)
  
    double nan_a = std::numeric_limits<double>::quiet_NaN();
    double nan_b = std::numeric_limits<double>::quiet_NaN();
  
    CHECK_MINMAX(1.0, -1.0, -1.0, 1.0);
    CHECK_MINMAX(-1.0, 1.0, -1.0, 1.0);
    CHECK_MINMAX(0.0, -1.0, -1.0, 0.0);
    CHECK_MINMAX(-1.0, 0.0, -1.0, 0.0);
    CHECK_MINMAX(-0.0, -1.0, -1.0, -0.0);
    CHECK_MINMAX(-1.0, -0.0, -1.0, -0.0);
    CHECK_MINMAX(0.0, 1.0, 0.0, 1.0);
    CHECK_MINMAX(1.0, 0.0, 0.0, 1.0);
  
    CHECK_MINMAX(0.0, 0.0, 0.0, 0.0);
    CHECK_MINMAX(-0.0, -0.0, -0.0, -0.0);
    CHECK_MINMAX(-0.0, 0.0, -0.0, 0.0);
    CHECK_MINMAX(0.0, -0.0, -0.0, 0.0);
  
    CHECK_MINMAX(0.0, nan_a, nan_a, nan_a);
    CHECK_MINMAX(nan_a, 0.0, nan_a, nan_a);
    CHECK_MINMAX(nan_a, nan_b, nan_a, nan_a);
    CHECK_MINMAX(nan_b, nan_a, nan_b, nan_b);
  
  #undef CHECK_MINMAX
  }
  
  TEST(DeoptExitSizeIsFixed) {
    Isolate* isolate = CcTest::i_isolate();
    HandleScope handles(isolate);
    auto buffer = AllocateAssemblerBuffer();
    MacroAssembler masm(isolate, v8::internal::CodeObjectRequired::kYes,
                        buffer->CreateView());
    STATIC_ASSERT(static_cast<int>(kFirstDeoptimizeKind) == 0);
    for (int i = 0; i < kDeoptimizeKindCount; i++) {
      DeoptimizeKind kind = static_cast<DeoptimizeKind>(i);
      Label before_exit;
      masm.bind(&before_exit);
      Builtin target = Deoptimizer::GetDeoptimizationEntry(kind);
      masm.CallForDeoptimization(target, 42, &before_exit, kind, &before_exit,
                                 nullptr);
      CHECK_EQ(masm.SizeOfCodeGeneratedSince(&before_exit),
               kind == DeoptimizeKind::kLazy ? Deoptimizer::kLazyDeoptExitSize
                                             : Deoptimizer::kEagerDeoptExitSize);
    }
  }
  
  #undef __
  
  }  // namespace internal
  }  // namespace v8
  