JezK
Edit File: test-macro-assembler-x64.cc
// Copyright 2009 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 // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // 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 "v8.h" #include "macro-assembler.h" #include "factory.h" #include "platform.h" #include "serialize.h" #include "cctest.h" using v8::internal::Assembler; using v8::internal::CodeDesc; using v8::internal::Condition; using v8::internal::FUNCTION_CAST; using v8::internal::HandleScope; using v8::internal::Immediate; using v8::internal::Isolate; using v8::internal::Label; using v8::internal::MacroAssembler; using v8::internal::OS; using v8::internal::Operand; using v8::internal::RelocInfo; using v8::internal::Smi; using v8::internal::SmiIndex; using v8::internal::byte; using v8::internal::carry; using v8::internal::greater; using v8::internal::greater_equal; using v8::internal::kIntSize; using v8::internal::kPointerSize; using v8::internal::kSmiTagMask; using v8::internal::kSmiValueSize; using v8::internal::less_equal; using v8::internal::negative; using v8::internal::not_carry; using v8::internal::not_equal; using v8::internal::not_zero; using v8::internal::positive; using v8::internal::r11; using v8::internal::r13; using v8::internal::r14; using v8::internal::r15; using v8::internal::r8; using v8::internal::r9; using v8::internal::rax; using v8::internal::rbp; using v8::internal::rbx; using v8::internal::rcx; using v8::internal::rdi; using v8::internal::rdx; using v8::internal::rsi; using v8::internal::rsp; using v8::internal::times_pointer_size; // Test the x64 assembler by compiling some simple functions into // a buffer and executing them. These tests do not initialize the // V8 library, create a context, or use any V8 objects. // The AMD64 calling convention is used, with the first five arguments // in RSI, RDI, RDX, RCX, R8, and R9, and floating point arguments in // the XMM registers. The return value is in RAX. // This calling convention is used on Linux, with GCC, and on Mac OS, // with GCC. A different convention is used on 64-bit windows. typedef int (*F0)(); #define __ masm-> static void EntryCode(MacroAssembler* masm) { // Smi constant register is callee save. __ push(v8::internal::kSmiConstantRegister); __ push(v8::internal::kRootRegister); __ InitializeSmiConstantRegister(); __ InitializeRootRegister(); } static void ExitCode(MacroAssembler* masm) { // Return -1 if kSmiConstantRegister was clobbered during the test. __ Move(rdx, Smi::FromInt(1)); __ cmpq(rdx, v8::internal::kSmiConstantRegister); __ movq(rdx, Immediate(-1)); __ cmovq(not_equal, rax, rdx); __ pop(v8::internal::kRootRegister); __ pop(v8::internal::kSmiConstantRegister); } TEST(Smi) { // Check that C++ Smi operations work as expected. int64_t test_numbers[] = { 0, 1, -1, 127, 128, -128, -129, 255, 256, -256, -257, Smi::kMaxValue, static_cast<int64_t>(Smi::kMaxValue) + 1, Smi::kMinValue, static_cast<int64_t>(Smi::kMinValue) - 1 }; int test_number_count = 15; for (int i = 0; i < test_number_count; i++) { int64_t number = test_numbers[i]; bool is_valid = Smi::IsValid(number); bool is_in_range = number >= Smi::kMinValue && number <= Smi::kMaxValue; CHECK_EQ(is_in_range, is_valid); if (is_valid) { Smi* smi_from_intptr = Smi::FromIntptr(number); if (static_cast<int>(number) == number) { // Is a 32-bit int. Smi* smi_from_int = Smi::FromInt(static_cast<int32_t>(number)); CHECK_EQ(smi_from_int, smi_from_intptr); } int64_t smi_value = smi_from_intptr->value(); CHECK_EQ(number, smi_value); } } } static void TestMoveSmi(MacroAssembler* masm, Label* exit, int id, Smi* value) { __ movl(rax, Immediate(id)); __ Move(rcx, Smi::FromInt(0)); __ Set(rdx, reinterpret_cast<intptr_t>(Smi::FromInt(0))); __ cmpq(rcx, rdx); __ j(not_equal, exit); } // Test that we can move a Smi value literally into a register. TEST(SmiMove) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; // Create a pointer for the __ macro. masm->set_allow_stub_calls(false); EntryCode(masm); Label exit; TestMoveSmi(masm, &exit, 1, Smi::FromInt(0)); TestMoveSmi(masm, &exit, 2, Smi::FromInt(127)); TestMoveSmi(masm, &exit, 3, Smi::FromInt(128)); TestMoveSmi(masm, &exit, 4, Smi::FromInt(255)); TestMoveSmi(masm, &exit, 5, Smi::FromInt(256)); TestMoveSmi(masm, &exit, 6, Smi::FromInt(Smi::kMaxValue)); TestMoveSmi(masm, &exit, 7, Smi::FromInt(-1)); TestMoveSmi(masm, &exit, 8, Smi::FromInt(-128)); TestMoveSmi(masm, &exit, 9, Smi::FromInt(-129)); TestMoveSmi(masm, &exit, 10, Smi::FromInt(-256)); TestMoveSmi(masm, &exit, 11, Smi::FromInt(-257)); TestMoveSmi(masm, &exit, 12, Smi::FromInt(Smi::kMinValue)); __ xor_(rax, rax); // Success. __ bind(&exit); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } void TestSmiCompare(MacroAssembler* masm, Label* exit, int id, int x, int y) { __ Move(rcx, Smi::FromInt(x)); __ movq(r8, rcx); __ Move(rdx, Smi::FromInt(y)); __ movq(r9, rdx); __ SmiCompare(rcx, rdx); if (x < y) { __ movl(rax, Immediate(id + 1)); __ j(greater_equal, exit); } else if (x > y) { __ movl(rax, Immediate(id + 2)); __ j(less_equal, exit); } else { ASSERT_EQ(x, y); __ movl(rax, Immediate(id + 3)); __ j(not_equal, exit); } __ movl(rax, Immediate(id + 4)); __ cmpq(rcx, r8); __ j(not_equal, exit); __ incq(rax); __ cmpq(rdx, r9); __ j(not_equal, exit); if (x != y) { __ SmiCompare(rdx, rcx); if (y < x) { __ movl(rax, Immediate(id + 9)); __ j(greater_equal, exit); } else { ASSERT(y > x); __ movl(rax, Immediate(id + 10)); __ j(less_equal, exit); } } else { __ cmpq(rcx, rcx); __ movl(rax, Immediate(id + 11)); __ j(not_equal, exit); __ incq(rax); __ cmpq(rcx, r8); __ j(not_equal, exit); } } // Test that we can compare smis for equality (and more). TEST(SmiCompare) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize * 2, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); EntryCode(masm); Label exit; TestSmiCompare(masm, &exit, 0x10, 0, 0); TestSmiCompare(masm, &exit, 0x20, 0, 1); TestSmiCompare(masm, &exit, 0x30, 1, 0); TestSmiCompare(masm, &exit, 0x40, 1, 1); TestSmiCompare(masm, &exit, 0x50, 0, -1); TestSmiCompare(masm, &exit, 0x60, -1, 0); TestSmiCompare(masm, &exit, 0x70, -1, -1); TestSmiCompare(masm, &exit, 0x80, 0, Smi::kMinValue); TestSmiCompare(masm, &exit, 0x90, Smi::kMinValue, 0); TestSmiCompare(masm, &exit, 0xA0, 0, Smi::kMaxValue); TestSmiCompare(masm, &exit, 0xB0, Smi::kMaxValue, 0); TestSmiCompare(masm, &exit, 0xC0, -1, Smi::kMinValue); TestSmiCompare(masm, &exit, 0xD0, Smi::kMinValue, -1); TestSmiCompare(masm, &exit, 0xE0, -1, Smi::kMaxValue); TestSmiCompare(masm, &exit, 0xF0, Smi::kMaxValue, -1); TestSmiCompare(masm, &exit, 0x100, Smi::kMinValue, Smi::kMinValue); TestSmiCompare(masm, &exit, 0x110, Smi::kMinValue, Smi::kMaxValue); TestSmiCompare(masm, &exit, 0x120, Smi::kMaxValue, Smi::kMinValue); TestSmiCompare(masm, &exit, 0x130, Smi::kMaxValue, Smi::kMaxValue); __ xor_(rax, rax); // Success. __ bind(&exit); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } TEST(Integer32ToSmi) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); EntryCode(masm); Label exit; __ movq(rax, Immediate(1)); // Test number. __ movl(rcx, Immediate(0)); __ Integer32ToSmi(rcx, rcx); __ Set(rdx, reinterpret_cast<intptr_t>(Smi::FromInt(0))); __ cmpq(rcx, rdx); __ j(not_equal, &exit); __ movq(rax, Immediate(2)); // Test number. __ movl(rcx, Immediate(1024)); __ Integer32ToSmi(rcx, rcx); __ Set(rdx, reinterpret_cast<intptr_t>(Smi::FromInt(1024))); __ cmpq(rcx, rdx); __ j(not_equal, &exit); __ movq(rax, Immediate(3)); // Test number. __ movl(rcx, Immediate(-1)); __ Integer32ToSmi(rcx, rcx); __ Set(rdx, reinterpret_cast<intptr_t>(Smi::FromInt(-1))); __ cmpq(rcx, rdx); __ j(not_equal, &exit); __ movq(rax, Immediate(4)); // Test number. __ movl(rcx, Immediate(Smi::kMaxValue)); __ Integer32ToSmi(rcx, rcx); __ Set(rdx, reinterpret_cast<intptr_t>(Smi::FromInt(Smi::kMaxValue))); __ cmpq(rcx, rdx); __ j(not_equal, &exit); __ movq(rax, Immediate(5)); // Test number. __ movl(rcx, Immediate(Smi::kMinValue)); __ Integer32ToSmi(rcx, rcx); __ Set(rdx, reinterpret_cast<intptr_t>(Smi::FromInt(Smi::kMinValue))); __ cmpq(rcx, rdx); __ j(not_equal, &exit); // Different target register. __ movq(rax, Immediate(6)); // Test number. __ movl(rcx, Immediate(0)); __ Integer32ToSmi(r8, rcx); __ Set(rdx, reinterpret_cast<intptr_t>(Smi::FromInt(0))); __ cmpq(r8, rdx); __ j(not_equal, &exit); __ movq(rax, Immediate(7)); // Test number. __ movl(rcx, Immediate(1024)); __ Integer32ToSmi(r8, rcx); __ Set(rdx, reinterpret_cast<intptr_t>(Smi::FromInt(1024))); __ cmpq(r8, rdx); __ j(not_equal, &exit); __ movq(rax, Immediate(8)); // Test number. __ movl(rcx, Immediate(-1)); __ Integer32ToSmi(r8, rcx); __ Set(rdx, reinterpret_cast<intptr_t>(Smi::FromInt(-1))); __ cmpq(r8, rdx); __ j(not_equal, &exit); __ movq(rax, Immediate(9)); // Test number. __ movl(rcx, Immediate(Smi::kMaxValue)); __ Integer32ToSmi(r8, rcx); __ Set(rdx, reinterpret_cast<intptr_t>(Smi::FromInt(Smi::kMaxValue))); __ cmpq(r8, rdx); __ j(not_equal, &exit); __ movq(rax, Immediate(10)); // Test number. __ movl(rcx, Immediate(Smi::kMinValue)); __ Integer32ToSmi(r8, rcx); __ Set(rdx, reinterpret_cast<intptr_t>(Smi::FromInt(Smi::kMinValue))); __ cmpq(r8, rdx); __ j(not_equal, &exit); __ xor_(rax, rax); // Success. __ bind(&exit); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } void TestI64PlusConstantToSmi(MacroAssembler* masm, Label* exit, int id, int64_t x, int y) { int64_t result = x + y; ASSERT(Smi::IsValid(result)); __ movl(rax, Immediate(id)); __ Move(r8, Smi::FromInt(static_cast<int>(result))); __ movq(rcx, x, RelocInfo::NONE); __ movq(r11, rcx); __ Integer64PlusConstantToSmi(rdx, rcx, y); __ cmpq(rdx, r8); __ j(not_equal, exit); __ incq(rax); __ cmpq(r11, rcx); __ j(not_equal, exit); __ incq(rax); __ Integer64PlusConstantToSmi(rcx, rcx, y); __ cmpq(rcx, r8); __ j(not_equal, exit); } TEST(Integer64PlusConstantToSmi) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); EntryCode(masm); Label exit; int64_t twice_max = static_cast<int64_t>(Smi::kMaxValue) * 2; TestI64PlusConstantToSmi(masm, &exit, 0x10, 0, 0); TestI64PlusConstantToSmi(masm, &exit, 0x20, 0, 1); TestI64PlusConstantToSmi(masm, &exit, 0x30, 1, 0); TestI64PlusConstantToSmi(masm, &exit, 0x40, Smi::kMaxValue - 5, 5); TestI64PlusConstantToSmi(masm, &exit, 0x50, Smi::kMinValue + 5, 5); TestI64PlusConstantToSmi(masm, &exit, 0x60, twice_max, -Smi::kMaxValue); TestI64PlusConstantToSmi(masm, &exit, 0x70, -twice_max, Smi::kMaxValue); TestI64PlusConstantToSmi(masm, &exit, 0x80, 0, Smi::kMinValue); TestI64PlusConstantToSmi(masm, &exit, 0x90, 0, Smi::kMaxValue); TestI64PlusConstantToSmi(masm, &exit, 0xA0, Smi::kMinValue, 0); TestI64PlusConstantToSmi(masm, &exit, 0xB0, Smi::kMaxValue, 0); TestI64PlusConstantToSmi(masm, &exit, 0xC0, twice_max, Smi::kMinValue); __ xor_(rax, rax); // Success. __ bind(&exit); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } TEST(SmiCheck) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); EntryCode(masm); Label exit; Condition cond; __ movl(rax, Immediate(1)); // Test number. // CheckSmi __ movl(rcx, Immediate(0)); __ Integer32ToSmi(rcx, rcx); cond = masm->CheckSmi(rcx); __ j(NegateCondition(cond), &exit); __ incq(rax); __ xor_(rcx, Immediate(kSmiTagMask)); cond = masm->CheckSmi(rcx); __ j(cond, &exit); __ incq(rax); __ movl(rcx, Immediate(-1)); __ Integer32ToSmi(rcx, rcx); cond = masm->CheckSmi(rcx); __ j(NegateCondition(cond), &exit); __ incq(rax); __ xor_(rcx, Immediate(kSmiTagMask)); cond = masm->CheckSmi(rcx); __ j(cond, &exit); __ incq(rax); __ movl(rcx, Immediate(Smi::kMaxValue)); __ Integer32ToSmi(rcx, rcx); cond = masm->CheckSmi(rcx); __ j(NegateCondition(cond), &exit); __ incq(rax); __ xor_(rcx, Immediate(kSmiTagMask)); cond = masm->CheckSmi(rcx); __ j(cond, &exit); __ incq(rax); __ movl(rcx, Immediate(Smi::kMinValue)); __ Integer32ToSmi(rcx, rcx); cond = masm->CheckSmi(rcx); __ j(NegateCondition(cond), &exit); __ incq(rax); __ xor_(rcx, Immediate(kSmiTagMask)); cond = masm->CheckSmi(rcx); __ j(cond, &exit); // CheckPositiveSmi __ incq(rax); __ movl(rcx, Immediate(0)); __ Integer32ToSmi(rcx, rcx); cond = masm->CheckNonNegativeSmi(rcx); __ j(NegateCondition(cond), &exit); __ incq(rax); __ xor_(rcx, Immediate(kSmiTagMask)); cond = masm->CheckNonNegativeSmi(rcx); // "zero" non-smi. __ j(cond, &exit); __ incq(rax); __ movq(rcx, Immediate(-1)); __ Integer32ToSmi(rcx, rcx); cond = masm->CheckNonNegativeSmi(rcx); // Negative smis are not positive. __ j(cond, &exit); __ incq(rax); __ movq(rcx, Immediate(Smi::kMinValue)); __ Integer32ToSmi(rcx, rcx); cond = masm->CheckNonNegativeSmi(rcx); // Most negative smi is not positive. __ j(cond, &exit); __ incq(rax); __ xor_(rcx, Immediate(kSmiTagMask)); cond = masm->CheckNonNegativeSmi(rcx); // "Negative" non-smi. __ j(cond, &exit); __ incq(rax); __ movq(rcx, Immediate(Smi::kMaxValue)); __ Integer32ToSmi(rcx, rcx); cond = masm->CheckNonNegativeSmi(rcx); // Most positive smi is positive. __ j(NegateCondition(cond), &exit); __ incq(rax); __ xor_(rcx, Immediate(kSmiTagMask)); cond = masm->CheckNonNegativeSmi(rcx); // "Positive" non-smi. __ j(cond, &exit); // CheckIsMinSmi __ incq(rax); __ movq(rcx, Immediate(Smi::kMaxValue)); __ Integer32ToSmi(rcx, rcx); cond = masm->CheckIsMinSmi(rcx); __ j(cond, &exit); __ incq(rax); __ movq(rcx, Immediate(0)); __ Integer32ToSmi(rcx, rcx); cond = masm->CheckIsMinSmi(rcx); __ j(cond, &exit); __ incq(rax); __ movq(rcx, Immediate(Smi::kMinValue)); __ Integer32ToSmi(rcx, rcx); cond = masm->CheckIsMinSmi(rcx); __ j(NegateCondition(cond), &exit); __ incq(rax); __ movq(rcx, Immediate(Smi::kMinValue + 1)); __ Integer32ToSmi(rcx, rcx); cond = masm->CheckIsMinSmi(rcx); __ j(cond, &exit); // CheckBothSmi __ incq(rax); __ movq(rcx, Immediate(Smi::kMaxValue)); __ Integer32ToSmi(rcx, rcx); __ movq(rdx, Immediate(Smi::kMinValue)); __ Integer32ToSmi(rdx, rdx); cond = masm->CheckBothSmi(rcx, rdx); __ j(NegateCondition(cond), &exit); __ incq(rax); __ xor_(rcx, Immediate(kSmiTagMask)); cond = masm->CheckBothSmi(rcx, rdx); __ j(cond, &exit); __ incq(rax); __ xor_(rdx, Immediate(kSmiTagMask)); cond = masm->CheckBothSmi(rcx, rdx); __ j(cond, &exit); __ incq(rax); __ xor_(rcx, Immediate(kSmiTagMask)); cond = masm->CheckBothSmi(rcx, rdx); __ j(cond, &exit); __ incq(rax); cond = masm->CheckBothSmi(rcx, rcx); __ j(NegateCondition(cond), &exit); __ incq(rax); cond = masm->CheckBothSmi(rdx, rdx); __ j(cond, &exit); // CheckInteger32ValidSmiValue __ incq(rax); __ movq(rcx, Immediate(0)); cond = masm->CheckInteger32ValidSmiValue(rax); __ j(NegateCondition(cond), &exit); __ incq(rax); __ movq(rcx, Immediate(-1)); cond = masm->CheckInteger32ValidSmiValue(rax); __ j(NegateCondition(cond), &exit); __ incq(rax); __ movq(rcx, Immediate(Smi::kMaxValue)); cond = masm->CheckInteger32ValidSmiValue(rax); __ j(NegateCondition(cond), &exit); __ incq(rax); __ movq(rcx, Immediate(Smi::kMinValue)); cond = masm->CheckInteger32ValidSmiValue(rax); __ j(NegateCondition(cond), &exit); // Success __ xor_(rax, rax); __ bind(&exit); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } void TestSmiNeg(MacroAssembler* masm, Label* exit, int id, int x) { __ Move(rcx, Smi::FromInt(x)); __ movq(r11, rcx); if (x == Smi::kMinValue || x == 0) { // Negation fails. __ movl(rax, Immediate(id + 8)); __ SmiNeg(r9, rcx, exit); __ incq(rax); __ cmpq(r11, rcx); __ j(not_equal, exit); __ incq(rax); __ SmiNeg(rcx, rcx, exit); __ incq(rax); __ cmpq(r11, rcx); __ j(not_equal, exit); } else { Label smi_ok, smi_ok2; int result = -x; __ movl(rax, Immediate(id)); __ Move(r8, Smi::FromInt(result)); __ SmiNeg(r9, rcx, &smi_ok); __ jmp(exit); __ bind(&smi_ok); __ incq(rax); __ cmpq(r9, r8); __ j(not_equal, exit); __ incq(rax); __ cmpq(r11, rcx); __ j(not_equal, exit); __ incq(rax); __ SmiNeg(rcx, rcx, &smi_ok2); __ jmp(exit); __ bind(&smi_ok2); __ incq(rax); __ cmpq(rcx, r8); __ j(not_equal, exit); } } TEST(SmiNeg) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); EntryCode(masm); Label exit; TestSmiNeg(masm, &exit, 0x10, 0); TestSmiNeg(masm, &exit, 0x20, 1); TestSmiNeg(masm, &exit, 0x30, -1); TestSmiNeg(masm, &exit, 0x40, 127); TestSmiNeg(masm, &exit, 0x50, 65535); TestSmiNeg(masm, &exit, 0x60, Smi::kMinValue); TestSmiNeg(masm, &exit, 0x70, Smi::kMaxValue); TestSmiNeg(masm, &exit, 0x80, -Smi::kMaxValue); __ xor_(rax, rax); // Success. __ bind(&exit); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } static void SmiAddTest(MacroAssembler* masm, Label* exit, int id, int first, int second) { __ movl(rcx, Immediate(first)); __ Integer32ToSmi(rcx, rcx); __ movl(rdx, Immediate(second)); __ Integer32ToSmi(rdx, rdx); __ movl(r8, Immediate(first + second)); __ Integer32ToSmi(r8, r8); __ movl(rax, Immediate(id)); // Test number. __ SmiAdd(r9, rcx, rdx, exit); __ cmpq(r9, r8); __ j(not_equal, exit); __ incq(rax); __ SmiAdd(rcx, rcx, rdx, exit); \ __ cmpq(rcx, r8); __ j(not_equal, exit); __ movl(rcx, Immediate(first)); __ Integer32ToSmi(rcx, rcx); __ incq(rax); __ SmiAddConstant(r9, rcx, Smi::FromInt(second)); __ cmpq(r9, r8); __ j(not_equal, exit); __ SmiAddConstant(rcx, rcx, Smi::FromInt(second)); __ cmpq(rcx, r8); __ j(not_equal, exit); __ movl(rcx, Immediate(first)); __ Integer32ToSmi(rcx, rcx); __ incq(rax); __ SmiAddConstant(r9, rcx, Smi::FromInt(second), exit); __ cmpq(r9, r8); __ j(not_equal, exit); __ incq(rax); __ SmiAddConstant(rcx, rcx, Smi::FromInt(second), exit); __ cmpq(rcx, r8); __ j(not_equal, exit); } TEST(SmiAdd) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); EntryCode(masm); Label exit; // No-overflow tests. SmiAddTest(masm, &exit, 0x10, 1, 2); SmiAddTest(masm, &exit, 0x20, 1, -2); SmiAddTest(masm, &exit, 0x30, -1, 2); SmiAddTest(masm, &exit, 0x40, -1, -2); SmiAddTest(masm, &exit, 0x50, 0x1000, 0x2000); SmiAddTest(masm, &exit, 0x60, Smi::kMinValue, 5); SmiAddTest(masm, &exit, 0x70, Smi::kMaxValue, -5); SmiAddTest(masm, &exit, 0x80, Smi::kMaxValue, Smi::kMinValue); __ xor_(rax, rax); // Success. __ bind(&exit); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } static void SmiSubTest(MacroAssembler* masm, Label* exit, int id, int first, int second) { __ Move(rcx, Smi::FromInt(first)); __ Move(rdx, Smi::FromInt(second)); __ Move(r8, Smi::FromInt(first - second)); __ movl(rax, Immediate(id)); // Test 0. __ SmiSub(r9, rcx, rdx, exit); __ cmpq(r9, r8); __ j(not_equal, exit); __ incq(rax); // Test 1. __ SmiSub(rcx, rcx, rdx, exit); __ cmpq(rcx, r8); __ j(not_equal, exit); __ Move(rcx, Smi::FromInt(first)); __ incq(rax); // Test 2. __ SmiSubConstant(r9, rcx, Smi::FromInt(second)); __ cmpq(r9, r8); __ j(not_equal, exit); __ incq(rax); // Test 3. __ SmiSubConstant(rcx, rcx, Smi::FromInt(second)); __ cmpq(rcx, r8); __ j(not_equal, exit); __ Move(rcx, Smi::FromInt(first)); __ incq(rax); // Test 4. __ SmiSubConstant(r9, rcx, Smi::FromInt(second), exit); __ cmpq(r9, r8); __ j(not_equal, exit); __ incq(rax); // Test 5. __ SmiSubConstant(rcx, rcx, Smi::FromInt(second), exit); __ cmpq(rcx, r8); __ j(not_equal, exit); } static void SmiSubOverflowTest(MacroAssembler* masm, Label* exit, int id, int x) { // Subtracts a Smi from x so that the subtraction overflows. ASSERT(x != -1); // Can't overflow by subtracting a Smi. int y_max = (x < 0) ? (Smi::kMaxValue + 0) : (Smi::kMinValue + 0); int y_min = (x < 0) ? (Smi::kMaxValue + x + 2) : (Smi::kMinValue + x); __ movl(rax, Immediate(id)); __ Move(rcx, Smi::FromInt(x)); __ movq(r11, rcx); // Store original Smi value of x in r11. __ Move(rdx, Smi::FromInt(y_min)); { Label overflow_ok; __ SmiSub(r9, rcx, rdx, &overflow_ok); __ jmp(exit); __ bind(&overflow_ok); __ incq(rax); __ cmpq(rcx, r11); __ j(not_equal, exit); } { Label overflow_ok; __ incq(rax); __ SmiSub(rcx, rcx, rdx, &overflow_ok); __ jmp(exit); __ bind(&overflow_ok); __ incq(rax); __ cmpq(rcx, r11); __ j(not_equal, exit); } __ movq(rcx, r11); { Label overflow_ok; __ incq(rax); __ SmiSubConstant(r9, rcx, Smi::FromInt(y_min), &overflow_ok); __ jmp(exit); __ bind(&overflow_ok); __ incq(rax); __ cmpq(rcx, r11); __ j(not_equal, exit); } { Label overflow_ok; __ incq(rax); __ SmiSubConstant(rcx, rcx, Smi::FromInt(y_min), &overflow_ok); __ jmp(exit); __ bind(&overflow_ok); __ incq(rax); __ cmpq(rcx, r11); __ j(not_equal, exit); } __ Move(rdx, Smi::FromInt(y_max)); { Label overflow_ok; __ incq(rax); __ SmiSub(r9, rcx, rdx, &overflow_ok); __ jmp(exit); __ bind(&overflow_ok); __ incq(rax); __ cmpq(rcx, r11); __ j(not_equal, exit); } { Label overflow_ok; __ incq(rax); __ SmiSub(rcx, rcx, rdx, &overflow_ok); __ jmp(exit); __ bind(&overflow_ok); __ incq(rax); __ cmpq(rcx, r11); __ j(not_equal, exit); } __ movq(rcx, r11); { Label overflow_ok; __ incq(rax); __ SmiSubConstant(r9, rcx, Smi::FromInt(y_max), &overflow_ok); __ jmp(exit); __ bind(&overflow_ok); __ incq(rax); __ cmpq(rcx, r11); __ j(not_equal, exit); } { Label overflow_ok; __ incq(rax); __ SmiSubConstant(rcx, rcx, Smi::FromInt(y_max), &overflow_ok); __ jmp(exit); __ bind(&overflow_ok); __ incq(rax); __ cmpq(rcx, r11); __ j(not_equal, exit); } } TEST(SmiSub) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize * 2, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); EntryCode(masm); Label exit; SmiSubTest(masm, &exit, 0x10, 1, 2); SmiSubTest(masm, &exit, 0x20, 1, -2); SmiSubTest(masm, &exit, 0x30, -1, 2); SmiSubTest(masm, &exit, 0x40, -1, -2); SmiSubTest(masm, &exit, 0x50, 0x1000, 0x2000); SmiSubTest(masm, &exit, 0x60, Smi::kMinValue, -5); SmiSubTest(masm, &exit, 0x70, Smi::kMaxValue, 5); SmiSubTest(masm, &exit, 0x80, -Smi::kMaxValue, Smi::kMinValue); SmiSubTest(masm, &exit, 0x90, 0, Smi::kMaxValue); SmiSubOverflowTest(masm, &exit, 0xA0, 1); SmiSubOverflowTest(masm, &exit, 0xB0, 1024); SmiSubOverflowTest(masm, &exit, 0xC0, Smi::kMaxValue); SmiSubOverflowTest(masm, &exit, 0xD0, -2); SmiSubOverflowTest(masm, &exit, 0xE0, -42000); SmiSubOverflowTest(masm, &exit, 0xF0, Smi::kMinValue); SmiSubOverflowTest(masm, &exit, 0x100, 0); __ xor_(rax, rax); // Success. __ bind(&exit); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } void TestSmiMul(MacroAssembler* masm, Label* exit, int id, int x, int y) { int64_t result = static_cast<int64_t>(x) * static_cast<int64_t>(y); bool negative_zero = (result == 0) && (x < 0 || y < 0); __ Move(rcx, Smi::FromInt(x)); __ movq(r11, rcx); __ Move(rdx, Smi::FromInt(y)); if (Smi::IsValid(result) && !negative_zero) { __ movl(rax, Immediate(id)); __ Move(r8, Smi::FromIntptr(result)); __ SmiMul(r9, rcx, rdx, exit); __ incq(rax); __ cmpq(r11, rcx); __ j(not_equal, exit); __ incq(rax); __ cmpq(r9, r8); __ j(not_equal, exit); __ incq(rax); __ SmiMul(rcx, rcx, rdx, exit); __ cmpq(rcx, r8); __ j(not_equal, exit); } else { __ movl(rax, Immediate(id + 8)); Label overflow_ok, overflow_ok2; __ SmiMul(r9, rcx, rdx, &overflow_ok); __ jmp(exit); __ bind(&overflow_ok); __ incq(rax); __ cmpq(r11, rcx); __ j(not_equal, exit); __ incq(rax); __ SmiMul(rcx, rcx, rdx, &overflow_ok2); __ jmp(exit); __ bind(&overflow_ok2); // 31-bit version doesn't preserve rcx on failure. // __ incq(rax); // __ cmpq(r11, rcx); // __ j(not_equal, exit); } } TEST(SmiMul) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); EntryCode(masm); Label exit; TestSmiMul(masm, &exit, 0x10, 0, 0); TestSmiMul(masm, &exit, 0x20, -1, 0); TestSmiMul(masm, &exit, 0x30, 0, -1); TestSmiMul(masm, &exit, 0x40, -1, -1); TestSmiMul(masm, &exit, 0x50, 0x10000, 0x10000); TestSmiMul(masm, &exit, 0x60, 0x10000, 0xffff); TestSmiMul(masm, &exit, 0x70, 0x10000, 0xffff); TestSmiMul(masm, &exit, 0x80, Smi::kMaxValue, -1); TestSmiMul(masm, &exit, 0x90, Smi::kMaxValue, -2); TestSmiMul(masm, &exit, 0xa0, Smi::kMaxValue, 2); TestSmiMul(masm, &exit, 0xb0, (Smi::kMaxValue / 2), 2); TestSmiMul(masm, &exit, 0xc0, (Smi::kMaxValue / 2) + 1, 2); TestSmiMul(masm, &exit, 0xd0, (Smi::kMinValue / 2), 2); TestSmiMul(masm, &exit, 0xe0, (Smi::kMinValue / 2) - 1, 2); __ xor_(rax, rax); // Success. __ bind(&exit); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } void TestSmiDiv(MacroAssembler* masm, Label* exit, int id, int x, int y) { bool division_by_zero = (y == 0); bool negative_zero = (x == 0 && y < 0); #ifdef V8_TARGET_ARCH_X64 bool overflow = (x == Smi::kMinValue && y < 0); // Safe approx. used. #else bool overflow = (x == Smi::kMinValue && y == -1); #endif bool fraction = !division_by_zero && !overflow && (x % y != 0); __ Move(r11, Smi::FromInt(x)); __ Move(r14, Smi::FromInt(y)); if (!fraction && !overflow && !negative_zero && !division_by_zero) { // Division succeeds __ movq(rcx, r11); __ movq(r15, Immediate(id)); int result = x / y; __ Move(r8, Smi::FromInt(result)); __ SmiDiv(r9, rcx, r14, exit); // Might have destroyed rcx and r14. __ incq(r15); __ cmpq(r9, r8); __ j(not_equal, exit); __ incq(r15); __ movq(rcx, r11); __ Move(r14, Smi::FromInt(y)); __ cmpq(rcx, r11); __ j(not_equal, exit); __ incq(r15); __ SmiDiv(rcx, rcx, r14, exit); __ incq(r15); __ cmpq(rcx, r8); __ j(not_equal, exit); } else { // Division fails. __ movq(r15, Immediate(id + 8)); Label fail_ok, fail_ok2; __ movq(rcx, r11); __ SmiDiv(r9, rcx, r14, &fail_ok); __ jmp(exit); __ bind(&fail_ok); __ incq(r15); __ cmpq(rcx, r11); __ j(not_equal, exit); __ incq(r15); __ SmiDiv(rcx, rcx, r14, &fail_ok2); __ jmp(exit); __ bind(&fail_ok2); __ incq(r15); __ cmpq(rcx, r11); __ j(not_equal, exit); } } TEST(SmiDiv) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize * 2, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); EntryCode(masm); Label exit; __ push(r14); __ push(r15); TestSmiDiv(masm, &exit, 0x10, 1, 1); TestSmiDiv(masm, &exit, 0x20, 1, 0); TestSmiDiv(masm, &exit, 0x30, -1, 0); TestSmiDiv(masm, &exit, 0x40, 0, 1); TestSmiDiv(masm, &exit, 0x50, 0, -1); TestSmiDiv(masm, &exit, 0x60, 4, 2); TestSmiDiv(masm, &exit, 0x70, -4, 2); TestSmiDiv(masm, &exit, 0x80, 4, -2); TestSmiDiv(masm, &exit, 0x90, -4, -2); TestSmiDiv(masm, &exit, 0xa0, 3, 2); TestSmiDiv(masm, &exit, 0xb0, 3, 4); TestSmiDiv(masm, &exit, 0xc0, 1, Smi::kMaxValue); TestSmiDiv(masm, &exit, 0xd0, -1, Smi::kMaxValue); TestSmiDiv(masm, &exit, 0xe0, Smi::kMaxValue, 1); TestSmiDiv(masm, &exit, 0xf0, Smi::kMaxValue, Smi::kMaxValue); TestSmiDiv(masm, &exit, 0x100, Smi::kMaxValue, -Smi::kMaxValue); TestSmiDiv(masm, &exit, 0x110, Smi::kMaxValue, -1); TestSmiDiv(masm, &exit, 0x120, Smi::kMinValue, 1); TestSmiDiv(masm, &exit, 0x130, Smi::kMinValue, Smi::kMinValue); TestSmiDiv(masm, &exit, 0x140, Smi::kMinValue, -1); __ xor_(r15, r15); // Success. __ bind(&exit); __ movq(rax, r15); __ pop(r15); __ pop(r14); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } void TestSmiMod(MacroAssembler* masm, Label* exit, int id, int x, int y) { bool division_by_zero = (y == 0); bool division_overflow = (x == Smi::kMinValue) && (y == -1); bool fraction = !division_by_zero && !division_overflow && ((x % y) != 0); bool negative_zero = (!fraction && x < 0); __ Move(rcx, Smi::FromInt(x)); __ movq(r11, rcx); __ Move(r14, Smi::FromInt(y)); if (!division_overflow && !negative_zero && !division_by_zero) { // Modulo succeeds __ movq(r15, Immediate(id)); int result = x % y; __ Move(r8, Smi::FromInt(result)); __ SmiMod(r9, rcx, r14, exit); __ incq(r15); __ cmpq(r9, r8); __ j(not_equal, exit); __ incq(r15); __ cmpq(rcx, r11); __ j(not_equal, exit); __ incq(r15); __ SmiMod(rcx, rcx, r14, exit); __ incq(r15); __ cmpq(rcx, r8); __ j(not_equal, exit); } else { // Modulo fails. __ movq(r15, Immediate(id + 8)); Label fail_ok, fail_ok2; __ SmiMod(r9, rcx, r14, &fail_ok); __ jmp(exit); __ bind(&fail_ok); __ incq(r15); __ cmpq(rcx, r11); __ j(not_equal, exit); __ incq(r15); __ SmiMod(rcx, rcx, r14, &fail_ok2); __ jmp(exit); __ bind(&fail_ok2); __ incq(r15); __ cmpq(rcx, r11); __ j(not_equal, exit); } } TEST(SmiMod) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize * 2, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); EntryCode(masm); Label exit; __ push(r14); __ push(r15); TestSmiMod(masm, &exit, 0x10, 1, 1); TestSmiMod(masm, &exit, 0x20, 1, 0); TestSmiMod(masm, &exit, 0x30, -1, 0); TestSmiMod(masm, &exit, 0x40, 0, 1); TestSmiMod(masm, &exit, 0x50, 0, -1); TestSmiMod(masm, &exit, 0x60, 4, 2); TestSmiMod(masm, &exit, 0x70, -4, 2); TestSmiMod(masm, &exit, 0x80, 4, -2); TestSmiMod(masm, &exit, 0x90, -4, -2); TestSmiMod(masm, &exit, 0xa0, 3, 2); TestSmiMod(masm, &exit, 0xb0, 3, 4); TestSmiMod(masm, &exit, 0xc0, 1, Smi::kMaxValue); TestSmiMod(masm, &exit, 0xd0, -1, Smi::kMaxValue); TestSmiMod(masm, &exit, 0xe0, Smi::kMaxValue, 1); TestSmiMod(masm, &exit, 0xf0, Smi::kMaxValue, Smi::kMaxValue); TestSmiMod(masm, &exit, 0x100, Smi::kMaxValue, -Smi::kMaxValue); TestSmiMod(masm, &exit, 0x110, Smi::kMaxValue, -1); TestSmiMod(masm, &exit, 0x120, Smi::kMinValue, 1); TestSmiMod(masm, &exit, 0x130, Smi::kMinValue, Smi::kMinValue); TestSmiMod(masm, &exit, 0x140, Smi::kMinValue, -1); __ xor_(r15, r15); // Success. __ bind(&exit); __ movq(rax, r15); __ pop(r15); __ pop(r14); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } void TestSmiIndex(MacroAssembler* masm, Label* exit, int id, int x) { __ movl(rax, Immediate(id)); for (int i = 0; i < 8; i++) { __ Move(rcx, Smi::FromInt(x)); SmiIndex index = masm->SmiToIndex(rdx, rcx, i); ASSERT(index.reg.is(rcx) || index.reg.is(rdx)); __ shl(index.reg, Immediate(index.scale)); __ Set(r8, static_cast<intptr_t>(x) << i); __ cmpq(index.reg, r8); __ j(not_equal, exit); __ incq(rax); __ Move(rcx, Smi::FromInt(x)); index = masm->SmiToIndex(rcx, rcx, i); ASSERT(index.reg.is(rcx)); __ shl(rcx, Immediate(index.scale)); __ Set(r8, static_cast<intptr_t>(x) << i); __ cmpq(rcx, r8); __ j(not_equal, exit); __ incq(rax); __ Move(rcx, Smi::FromInt(x)); index = masm->SmiToNegativeIndex(rdx, rcx, i); ASSERT(index.reg.is(rcx) || index.reg.is(rdx)); __ shl(index.reg, Immediate(index.scale)); __ Set(r8, static_cast<intptr_t>(-x) << i); __ cmpq(index.reg, r8); __ j(not_equal, exit); __ incq(rax); __ Move(rcx, Smi::FromInt(x)); index = masm->SmiToNegativeIndex(rcx, rcx, i); ASSERT(index.reg.is(rcx)); __ shl(rcx, Immediate(index.scale)); __ Set(r8, static_cast<intptr_t>(-x) << i); __ cmpq(rcx, r8); __ j(not_equal, exit); __ incq(rax); } } TEST(SmiIndex) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize * 3, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); EntryCode(masm); Label exit; TestSmiIndex(masm, &exit, 0x10, 0); TestSmiIndex(masm, &exit, 0x20, 1); TestSmiIndex(masm, &exit, 0x30, 100); TestSmiIndex(masm, &exit, 0x40, 1000); TestSmiIndex(masm, &exit, 0x50, Smi::kMaxValue); __ xor_(rax, rax); // Success. __ bind(&exit); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } void TestSelectNonSmi(MacroAssembler* masm, Label* exit, int id, int x, int y) { __ movl(rax, Immediate(id)); __ Move(rcx, Smi::FromInt(x)); __ Move(rdx, Smi::FromInt(y)); __ xor_(rdx, Immediate(kSmiTagMask)); __ SelectNonSmi(r9, rcx, rdx, exit); __ incq(rax); __ cmpq(r9, rdx); __ j(not_equal, exit); __ incq(rax); __ Move(rcx, Smi::FromInt(x)); __ Move(rdx, Smi::FromInt(y)); __ xor_(rcx, Immediate(kSmiTagMask)); __ SelectNonSmi(r9, rcx, rdx, exit); __ incq(rax); __ cmpq(r9, rcx); __ j(not_equal, exit); __ incq(rax); Label fail_ok; __ Move(rcx, Smi::FromInt(x)); __ Move(rdx, Smi::FromInt(y)); __ xor_(rcx, Immediate(kSmiTagMask)); __ xor_(rdx, Immediate(kSmiTagMask)); __ SelectNonSmi(r9, rcx, rdx, &fail_ok); __ jmp(exit); __ bind(&fail_ok); } TEST(SmiSelectNonSmi) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); // Avoid inline checks. EntryCode(masm); Label exit; TestSelectNonSmi(masm, &exit, 0x10, 0, 0); TestSelectNonSmi(masm, &exit, 0x20, 0, 1); TestSelectNonSmi(masm, &exit, 0x30, 1, 0); TestSelectNonSmi(masm, &exit, 0x40, 0, -1); TestSelectNonSmi(masm, &exit, 0x50, -1, 0); TestSelectNonSmi(masm, &exit, 0x60, -1, -1); TestSelectNonSmi(masm, &exit, 0x70, 1, 1); TestSelectNonSmi(masm, &exit, 0x80, Smi::kMinValue, Smi::kMaxValue); TestSelectNonSmi(masm, &exit, 0x90, Smi::kMinValue, Smi::kMinValue); __ xor_(rax, rax); // Success. __ bind(&exit); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } void TestSmiAnd(MacroAssembler* masm, Label* exit, int id, int x, int y) { int result = x & y; __ movl(rax, Immediate(id)); __ Move(rcx, Smi::FromInt(x)); __ movq(r11, rcx); __ Move(rdx, Smi::FromInt(y)); __ Move(r8, Smi::FromInt(result)); __ SmiAnd(r9, rcx, rdx); __ cmpq(r8, r9); __ j(not_equal, exit); __ incq(rax); __ cmpq(r11, rcx); __ j(not_equal, exit); __ incq(rax); __ SmiAnd(rcx, rcx, rdx); __ cmpq(r8, rcx); __ j(not_equal, exit); __ movq(rcx, r11); __ incq(rax); __ SmiAndConstant(r9, rcx, Smi::FromInt(y)); __ cmpq(r8, r9); __ j(not_equal, exit); __ incq(rax); __ cmpq(r11, rcx); __ j(not_equal, exit); __ incq(rax); __ SmiAndConstant(rcx, rcx, Smi::FromInt(y)); __ cmpq(r8, rcx); __ j(not_equal, exit); } TEST(SmiAnd) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); EntryCode(masm); Label exit; TestSmiAnd(masm, &exit, 0x10, 0, 0); TestSmiAnd(masm, &exit, 0x20, 0, 1); TestSmiAnd(masm, &exit, 0x30, 1, 0); TestSmiAnd(masm, &exit, 0x40, 0, -1); TestSmiAnd(masm, &exit, 0x50, -1, 0); TestSmiAnd(masm, &exit, 0x60, -1, -1); TestSmiAnd(masm, &exit, 0x70, 1, 1); TestSmiAnd(masm, &exit, 0x80, Smi::kMinValue, Smi::kMaxValue); TestSmiAnd(masm, &exit, 0x90, Smi::kMinValue, Smi::kMinValue); TestSmiAnd(masm, &exit, 0xA0, Smi::kMinValue, -1); TestSmiAnd(masm, &exit, 0xB0, Smi::kMinValue, -1); __ xor_(rax, rax); // Success. __ bind(&exit); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } void TestSmiOr(MacroAssembler* masm, Label* exit, int id, int x, int y) { int result = x | y; __ movl(rax, Immediate(id)); __ Move(rcx, Smi::FromInt(x)); __ movq(r11, rcx); __ Move(rdx, Smi::FromInt(y)); __ Move(r8, Smi::FromInt(result)); __ SmiOr(r9, rcx, rdx); __ cmpq(r8, r9); __ j(not_equal, exit); __ incq(rax); __ cmpq(r11, rcx); __ j(not_equal, exit); __ incq(rax); __ SmiOr(rcx, rcx, rdx); __ cmpq(r8, rcx); __ j(not_equal, exit); __ movq(rcx, r11); __ incq(rax); __ SmiOrConstant(r9, rcx, Smi::FromInt(y)); __ cmpq(r8, r9); __ j(not_equal, exit); __ incq(rax); __ cmpq(r11, rcx); __ j(not_equal, exit); __ incq(rax); __ SmiOrConstant(rcx, rcx, Smi::FromInt(y)); __ cmpq(r8, rcx); __ j(not_equal, exit); } TEST(SmiOr) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); EntryCode(masm); Label exit; TestSmiOr(masm, &exit, 0x10, 0, 0); TestSmiOr(masm, &exit, 0x20, 0, 1); TestSmiOr(masm, &exit, 0x30, 1, 0); TestSmiOr(masm, &exit, 0x40, 0, -1); TestSmiOr(masm, &exit, 0x50, -1, 0); TestSmiOr(masm, &exit, 0x60, -1, -1); TestSmiOr(masm, &exit, 0x70, 1, 1); TestSmiOr(masm, &exit, 0x80, Smi::kMinValue, Smi::kMaxValue); TestSmiOr(masm, &exit, 0x90, Smi::kMinValue, Smi::kMinValue); TestSmiOr(masm, &exit, 0xA0, Smi::kMinValue, -1); TestSmiOr(masm, &exit, 0xB0, 0x05555555, 0x01234567); TestSmiOr(masm, &exit, 0xC0, 0x05555555, 0x0fedcba9); TestSmiOr(masm, &exit, 0xD0, Smi::kMinValue, -1); __ xor_(rax, rax); // Success. __ bind(&exit); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } void TestSmiXor(MacroAssembler* masm, Label* exit, int id, int x, int y) { int result = x ^ y; __ movl(rax, Immediate(id)); __ Move(rcx, Smi::FromInt(x)); __ movq(r11, rcx); __ Move(rdx, Smi::FromInt(y)); __ Move(r8, Smi::FromInt(result)); __ SmiXor(r9, rcx, rdx); __ cmpq(r8, r9); __ j(not_equal, exit); __ incq(rax); __ cmpq(r11, rcx); __ j(not_equal, exit); __ incq(rax); __ SmiXor(rcx, rcx, rdx); __ cmpq(r8, rcx); __ j(not_equal, exit); __ movq(rcx, r11); __ incq(rax); __ SmiXorConstant(r9, rcx, Smi::FromInt(y)); __ cmpq(r8, r9); __ j(not_equal, exit); __ incq(rax); __ cmpq(r11, rcx); __ j(not_equal, exit); __ incq(rax); __ SmiXorConstant(rcx, rcx, Smi::FromInt(y)); __ cmpq(r8, rcx); __ j(not_equal, exit); } TEST(SmiXor) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); EntryCode(masm); Label exit; TestSmiXor(masm, &exit, 0x10, 0, 0); TestSmiXor(masm, &exit, 0x20, 0, 1); TestSmiXor(masm, &exit, 0x30, 1, 0); TestSmiXor(masm, &exit, 0x40, 0, -1); TestSmiXor(masm, &exit, 0x50, -1, 0); TestSmiXor(masm, &exit, 0x60, -1, -1); TestSmiXor(masm, &exit, 0x70, 1, 1); TestSmiXor(masm, &exit, 0x80, Smi::kMinValue, Smi::kMaxValue); TestSmiXor(masm, &exit, 0x90, Smi::kMinValue, Smi::kMinValue); TestSmiXor(masm, &exit, 0xA0, Smi::kMinValue, -1); TestSmiXor(masm, &exit, 0xB0, 0x5555555, 0x01234567); TestSmiXor(masm, &exit, 0xC0, 0x5555555, 0x0fedcba9); TestSmiXor(masm, &exit, 0xD0, Smi::kMinValue, -1); __ xor_(rax, rax); // Success. __ bind(&exit); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } void TestSmiNot(MacroAssembler* masm, Label* exit, int id, int x) { int result = ~x; __ movl(rax, Immediate(id)); __ Move(r8, Smi::FromInt(result)); __ Move(rcx, Smi::FromInt(x)); __ movq(r11, rcx); __ SmiNot(r9, rcx); __ cmpq(r9, r8); __ j(not_equal, exit); __ incq(rax); __ cmpq(r11, rcx); __ j(not_equal, exit); __ incq(rax); __ SmiNot(rcx, rcx); __ cmpq(rcx, r8); __ j(not_equal, exit); } TEST(SmiNot) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); EntryCode(masm); Label exit; TestSmiNot(masm, &exit, 0x10, 0); TestSmiNot(masm, &exit, 0x20, 1); TestSmiNot(masm, &exit, 0x30, -1); TestSmiNot(masm, &exit, 0x40, 127); TestSmiNot(masm, &exit, 0x50, 65535); TestSmiNot(masm, &exit, 0x60, Smi::kMinValue); TestSmiNot(masm, &exit, 0x70, Smi::kMaxValue); TestSmiNot(masm, &exit, 0x80, 0x05555555); __ xor_(rax, rax); // Success. __ bind(&exit); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } void TestSmiShiftLeft(MacroAssembler* masm, Label* exit, int id, int x) { const int shifts[] = { 0, 1, 7, 24, kSmiValueSize - 1}; const int kNumShifts = 5; __ movl(rax, Immediate(id)); for (int i = 0; i < kNumShifts; i++) { // rax == id + i * 10. int shift = shifts[i]; int result = x << shift; CHECK(Smi::IsValid(result)); __ Move(r8, Smi::FromInt(result)); __ Move(rcx, Smi::FromInt(x)); __ SmiShiftLeftConstant(r9, rcx, shift); __ incq(rax); __ cmpq(r9, r8); __ j(not_equal, exit); __ incq(rax); __ Move(rcx, Smi::FromInt(x)); __ SmiShiftLeftConstant(rcx, rcx, shift); __ incq(rax); __ cmpq(rcx, r8); __ j(not_equal, exit); __ incq(rax); __ Move(rdx, Smi::FromInt(x)); __ Move(rcx, Smi::FromInt(shift)); __ SmiShiftLeft(r9, rdx, rcx); __ incq(rax); __ cmpq(r9, r8); __ j(not_equal, exit); __ incq(rax); __ Move(rdx, Smi::FromInt(x)); __ Move(r11, Smi::FromInt(shift)); __ SmiShiftLeft(r9, rdx, r11); __ incq(rax); __ cmpq(r9, r8); __ j(not_equal, exit); __ incq(rax); __ Move(rdx, Smi::FromInt(x)); __ Move(r11, Smi::FromInt(shift)); __ SmiShiftLeft(rdx, rdx, r11); __ incq(rax); __ cmpq(rdx, r8); __ j(not_equal, exit); __ incq(rax); } } TEST(SmiShiftLeft) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize * 4, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); EntryCode(masm); Label exit; TestSmiShiftLeft(masm, &exit, 0x10, 0); TestSmiShiftLeft(masm, &exit, 0x50, 1); TestSmiShiftLeft(masm, &exit, 0x90, 127); TestSmiShiftLeft(masm, &exit, 0xD0, 65535); TestSmiShiftLeft(masm, &exit, 0x110, Smi::kMaxValue); TestSmiShiftLeft(masm, &exit, 0x150, Smi::kMinValue); TestSmiShiftLeft(masm, &exit, 0x190, -1); __ xor_(rax, rax); // Success. __ bind(&exit); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } void TestSmiShiftLogicalRight(MacroAssembler* masm, Label* exit, int id, int x) { const int shifts[] = { 0, 1, 7, 24, kSmiValueSize - 1}; const int kNumShifts = 5; __ movl(rax, Immediate(id)); for (int i = 0; i < kNumShifts; i++) { int shift = shifts[i]; intptr_t result = static_cast<unsigned int>(x) >> shift; if (Smi::IsValid(result)) { __ Move(r8, Smi::FromInt(static_cast<int>(result))); __ Move(rcx, Smi::FromInt(x)); __ SmiShiftLogicalRightConstant(r9, rcx, shift, exit); __ incq(rax); __ cmpq(r9, r8); __ j(not_equal, exit); __ incq(rax); __ Move(rdx, Smi::FromInt(x)); __ Move(rcx, Smi::FromInt(shift)); __ SmiShiftLogicalRight(r9, rdx, rcx, exit); __ incq(rax); __ cmpq(r9, r8); __ j(not_equal, exit); __ incq(rax); __ Move(rdx, Smi::FromInt(x)); __ Move(r11, Smi::FromInt(shift)); __ SmiShiftLogicalRight(r9, rdx, r11, exit); __ incq(rax); __ cmpq(r9, r8); __ j(not_equal, exit); __ incq(rax); } else { // Cannot happen with long smis. Label fail_ok; __ Move(rcx, Smi::FromInt(x)); __ movq(r11, rcx); __ SmiShiftLogicalRightConstant(r9, rcx, shift, &fail_ok); __ jmp(exit); __ bind(&fail_ok); __ incq(rax); __ cmpq(rcx, r11); __ j(not_equal, exit); __ incq(rax); __ Move(r8, Smi::FromInt(shift)); Label fail_ok3; __ SmiShiftLogicalRight(r9, rcx, r8, &fail_ok3); __ jmp(exit); __ bind(&fail_ok3); __ incq(rax); __ cmpq(rcx, r11); __ j(not_equal, exit); __ addq(rax, Immediate(3)); } } } TEST(SmiShiftLogicalRight) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize * 3, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); EntryCode(masm); Label exit; TestSmiShiftLogicalRight(masm, &exit, 0x10, 0); TestSmiShiftLogicalRight(masm, &exit, 0x30, 1); TestSmiShiftLogicalRight(masm, &exit, 0x50, 127); TestSmiShiftLogicalRight(masm, &exit, 0x70, 65535); TestSmiShiftLogicalRight(masm, &exit, 0x90, Smi::kMaxValue); TestSmiShiftLogicalRight(masm, &exit, 0xB0, Smi::kMinValue); TestSmiShiftLogicalRight(masm, &exit, 0xD0, -1); __ xor_(rax, rax); // Success. __ bind(&exit); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } void TestSmiShiftArithmeticRight(MacroAssembler* masm, Label* exit, int id, int x) { const int shifts[] = { 0, 1, 7, 24, kSmiValueSize - 1}; const int kNumShifts = 5; __ movl(rax, Immediate(id)); for (int i = 0; i < kNumShifts; i++) { int shift = shifts[i]; // Guaranteed arithmetic shift. int result = (x < 0) ? ~((~x) >> shift) : (x >> shift); __ Move(r8, Smi::FromInt(result)); __ Move(rcx, Smi::FromInt(x)); __ SmiShiftArithmeticRightConstant(rcx, rcx, shift); __ cmpq(rcx, r8); __ j(not_equal, exit); __ incq(rax); __ Move(rdx, Smi::FromInt(x)); __ Move(r11, Smi::FromInt(shift)); __ SmiShiftArithmeticRight(rdx, rdx, r11); __ cmpq(rdx, r8); __ j(not_equal, exit); __ incq(rax); } } TEST(SmiShiftArithmeticRight) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize * 2, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); EntryCode(masm); Label exit; TestSmiShiftArithmeticRight(masm, &exit, 0x10, 0); TestSmiShiftArithmeticRight(masm, &exit, 0x20, 1); TestSmiShiftArithmeticRight(masm, &exit, 0x30, 127); TestSmiShiftArithmeticRight(masm, &exit, 0x40, 65535); TestSmiShiftArithmeticRight(masm, &exit, 0x50, Smi::kMaxValue); TestSmiShiftArithmeticRight(masm, &exit, 0x60, Smi::kMinValue); TestSmiShiftArithmeticRight(masm, &exit, 0x70, -1); __ xor_(rax, rax); // Success. __ bind(&exit); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } void TestPositiveSmiPowerUp(MacroAssembler* masm, Label* exit, int id, int x) { ASSERT(x >= 0); int powers[] = { 0, 1, 2, 3, 8, 16, 24, 31 }; int power_count = 8; __ movl(rax, Immediate(id)); for (int i = 0; i < power_count; i++) { int power = powers[i]; intptr_t result = static_cast<intptr_t>(x) << power; __ Set(r8, result); __ Move(rcx, Smi::FromInt(x)); __ movq(r11, rcx); __ PositiveSmiTimesPowerOfTwoToInteger64(rdx, rcx, power); __ cmpq(rdx, r8); __ j(not_equal, exit); __ incq(rax); __ cmpq(r11, rcx); // rcx unchanged. __ j(not_equal, exit); __ incq(rax); __ PositiveSmiTimesPowerOfTwoToInteger64(rcx, rcx, power); __ cmpq(rdx, r8); __ j(not_equal, exit); __ incq(rax); } } TEST(PositiveSmiTimesPowerOfTwoToInteger64) { v8::internal::V8::Initialize(NULL); // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize * 4, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); EntryCode(masm); Label exit; TestPositiveSmiPowerUp(masm, &exit, 0x20, 0); TestPositiveSmiPowerUp(masm, &exit, 0x40, 1); TestPositiveSmiPowerUp(masm, &exit, 0x60, 127); TestPositiveSmiPowerUp(masm, &exit, 0x80, 128); TestPositiveSmiPowerUp(masm, &exit, 0xA0, 255); TestPositiveSmiPowerUp(masm, &exit, 0xC0, 256); TestPositiveSmiPowerUp(masm, &exit, 0x100, 65535); TestPositiveSmiPowerUp(masm, &exit, 0x120, 65536); TestPositiveSmiPowerUp(masm, &exit, 0x140, Smi::kMaxValue); __ xor_(rax, rax); // Success. __ bind(&exit); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } TEST(OperandOffset) { v8::internal::V8::Initialize(NULL); int data[256]; for (int i = 0; i < 256; i++) { data[i] = i * 0x01010101; } // Allocate an executable page of memory. size_t actual_size; byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize * 2, &actual_size, true)); CHECK(buffer); HandleScope handles; MacroAssembler assembler(Isolate::Current(), buffer, static_cast<int>(actual_size)); MacroAssembler* masm = &assembler; masm->set_allow_stub_calls(false); Label exit; EntryCode(masm); __ push(r13); __ push(r14); __ push(rbx); __ push(rbp); __ push(Immediate(0x100)); // <-- rbp __ movq(rbp, rsp); __ push(Immediate(0x101)); __ push(Immediate(0x102)); __ push(Immediate(0x103)); __ push(Immediate(0x104)); __ push(Immediate(0x105)); // <-- rbx __ push(Immediate(0x106)); __ push(Immediate(0x107)); __ push(Immediate(0x108)); __ push(Immediate(0x109)); // <-- rsp // rbp = rsp[9] // r15 = rsp[3] // rbx = rsp[5] // r13 = rsp[7] __ lea(r14, Operand(rsp, 3 * kPointerSize)); __ lea(r13, Operand(rbp, -3 * kPointerSize)); __ lea(rbx, Operand(rbp, -5 * kPointerSize)); __ movl(rcx, Immediate(2)); __ movq(r8, reinterpret_cast<uintptr_t>(&data[128]), RelocInfo::NONE); __ movl(rax, Immediate(1)); Operand sp0 = Operand(rsp, 0); // Test 1. __ movl(rdx, sp0); // Sanity check. __ cmpl(rdx, Immediate(0x109)); __ j(not_equal, &exit); __ incq(rax); // Test 2. // Zero to non-zero displacement. __ movl(rdx, Operand(sp0, 2 * kPointerSize)); __ cmpl(rdx, Immediate(0x107)); __ j(not_equal, &exit); __ incq(rax); Operand sp2 = Operand(rsp, 2 * kPointerSize); // Test 3. __ movl(rdx, sp2); // Sanity check. __ cmpl(rdx, Immediate(0x107)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(sp2, 2 * kPointerSize)); __ cmpl(rdx, Immediate(0x105)); __ j(not_equal, &exit); __ incq(rax); // Non-zero to zero displacement. __ movl(rdx, Operand(sp2, -2 * kPointerSize)); __ cmpl(rdx, Immediate(0x109)); __ j(not_equal, &exit); __ incq(rax); Operand sp2c2 = Operand(rsp, rcx, times_pointer_size, 2 * kPointerSize); // Test 6. __ movl(rdx, sp2c2); // Sanity check. __ cmpl(rdx, Immediate(0x105)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(sp2c2, 2 * kPointerSize)); __ cmpl(rdx, Immediate(0x103)); __ j(not_equal, &exit); __ incq(rax); // Non-zero to zero displacement. __ movl(rdx, Operand(sp2c2, -2 * kPointerSize)); __ cmpl(rdx, Immediate(0x107)); __ j(not_equal, &exit); __ incq(rax); Operand bp0 = Operand(rbp, 0); // Test 9. __ movl(rdx, bp0); // Sanity check. __ cmpl(rdx, Immediate(0x100)); __ j(not_equal, &exit); __ incq(rax); // Zero to non-zero displacement. __ movl(rdx, Operand(bp0, -2 * kPointerSize)); __ cmpl(rdx, Immediate(0x102)); __ j(not_equal, &exit); __ incq(rax); Operand bp2 = Operand(rbp, -2 * kPointerSize); // Test 11. __ movl(rdx, bp2); // Sanity check. __ cmpl(rdx, Immediate(0x102)); __ j(not_equal, &exit); __ incq(rax); // Non-zero to zero displacement. __ movl(rdx, Operand(bp2, 2 * kPointerSize)); __ cmpl(rdx, Immediate(0x100)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(bp2, -2 * kPointerSize)); __ cmpl(rdx, Immediate(0x104)); __ j(not_equal, &exit); __ incq(rax); Operand bp2c4 = Operand(rbp, rcx, times_pointer_size, -4 * kPointerSize); // Test 14: __ movl(rdx, bp2c4); // Sanity check. __ cmpl(rdx, Immediate(0x102)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(bp2c4, 2 * kPointerSize)); __ cmpl(rdx, Immediate(0x100)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(bp2c4, -2 * kPointerSize)); __ cmpl(rdx, Immediate(0x104)); __ j(not_equal, &exit); __ incq(rax); Operand bx0 = Operand(rbx, 0); // Test 17. __ movl(rdx, bx0); // Sanity check. __ cmpl(rdx, Immediate(0x105)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(bx0, 5 * kPointerSize)); __ cmpl(rdx, Immediate(0x100)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(bx0, -4 * kPointerSize)); __ cmpl(rdx, Immediate(0x109)); __ j(not_equal, &exit); __ incq(rax); Operand bx2 = Operand(rbx, 2 * kPointerSize); // Test 20. __ movl(rdx, bx2); // Sanity check. __ cmpl(rdx, Immediate(0x103)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(bx2, 2 * kPointerSize)); __ cmpl(rdx, Immediate(0x101)); __ j(not_equal, &exit); __ incq(rax); // Non-zero to zero displacement. __ movl(rdx, Operand(bx2, -2 * kPointerSize)); __ cmpl(rdx, Immediate(0x105)); __ j(not_equal, &exit); __ incq(rax); Operand bx2c2 = Operand(rbx, rcx, times_pointer_size, -2 * kPointerSize); // Test 23. __ movl(rdx, bx2c2); // Sanity check. __ cmpl(rdx, Immediate(0x105)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(bx2c2, 2 * kPointerSize)); __ cmpl(rdx, Immediate(0x103)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(bx2c2, -2 * kPointerSize)); __ cmpl(rdx, Immediate(0x107)); __ j(not_equal, &exit); __ incq(rax); Operand r80 = Operand(r8, 0); // Test 26. __ movl(rdx, r80); // Sanity check. __ cmpl(rdx, Immediate(0x80808080)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(r80, -8 * kIntSize)); __ cmpl(rdx, Immediate(0x78787878)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(r80, 8 * kIntSize)); __ cmpl(rdx, Immediate(0x88888888)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(r80, -64 * kIntSize)); __ cmpl(rdx, Immediate(0x40404040)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(r80, 64 * kIntSize)); __ cmpl(rdx, Immediate(0xC0C0C0C0)); __ j(not_equal, &exit); __ incq(rax); Operand r88 = Operand(r8, 8 * kIntSize); // Test 31. __ movl(rdx, r88); // Sanity check. __ cmpl(rdx, Immediate(0x88888888)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(r88, -8 * kIntSize)); __ cmpl(rdx, Immediate(0x80808080)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(r88, 8 * kIntSize)); __ cmpl(rdx, Immediate(0x90909090)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(r88, -64 * kIntSize)); __ cmpl(rdx, Immediate(0x48484848)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(r88, 64 * kIntSize)); __ cmpl(rdx, Immediate(0xC8C8C8C8)); __ j(not_equal, &exit); __ incq(rax); Operand r864 = Operand(r8, 64 * kIntSize); // Test 36. __ movl(rdx, r864); // Sanity check. __ cmpl(rdx, Immediate(0xC0C0C0C0)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(r864, -8 * kIntSize)); __ cmpl(rdx, Immediate(0xB8B8B8B8)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(r864, 8 * kIntSize)); __ cmpl(rdx, Immediate(0xC8C8C8C8)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(r864, -64 * kIntSize)); __ cmpl(rdx, Immediate(0x80808080)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(r864, 32 * kIntSize)); __ cmpl(rdx, Immediate(0xE0E0E0E0)); __ j(not_equal, &exit); __ incq(rax); // 32-bit offset to 8-bit offset. __ movl(rdx, Operand(r864, -60 * kIntSize)); __ cmpl(rdx, Immediate(0x84848484)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(r864, 60 * kIntSize)); __ cmpl(rdx, Immediate(0xFCFCFCFC)); __ j(not_equal, &exit); __ incq(rax); // Test unaligned offsets. // Test 43. __ movl(rdx, Operand(r80, 2)); __ cmpl(rdx, Immediate(0x81818080)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(r80, -2)); __ cmpl(rdx, Immediate(0x80807F7F)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(r80, 126)); __ cmpl(rdx, Immediate(0xA0A09F9F)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(r80, -126)); __ cmpl(rdx, Immediate(0x61616060)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(r80, 254)); __ cmpl(rdx, Immediate(0xC0C0BFBF)); __ j(not_equal, &exit); __ incq(rax); __ movl(rdx, Operand(r80, -254)); __ cmpl(rdx, Immediate(0x41414040)); __ j(not_equal, &exit); __ incq(rax); // Success. __ movl(rax, Immediate(0)); __ bind(&exit); __ lea(rsp, Operand(rbp, kPointerSize)); __ pop(rbp); __ pop(rbx); __ pop(r14); __ pop(r13); ExitCode(masm); __ ret(0); CodeDesc desc; masm->GetCode(&desc); // Call the function from C++. int result = FUNCTION_CAST<F0>(buffer)(); CHECK_EQ(0, result); } #undef __