| // Copyright 2014 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "src/compiler/instruction-selector-unittest.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace compiler { |
| |
| // ----------------------------------------------------------------------------- |
| // Conversions. |
| |
| |
| TEST_F(InstructionSelectorTest, ChangeInt32ToInt64WithParameter) { |
| StreamBuilder m(this, kMachInt64, kMachInt32); |
| m.Return(m.ChangeInt32ToInt64(m.Parameter(0))); |
| Stream s = m.Build(); |
| ASSERT_EQ(1U, s.size()); |
| EXPECT_EQ(kX64Movsxlq, s[0]->arch_opcode()); |
| } |
| |
| |
| TEST_F(InstructionSelectorTest, ChangeUint32ToUint64WithParameter) { |
| StreamBuilder m(this, kMachUint64, kMachUint32); |
| m.Return(m.ChangeUint32ToUint64(m.Parameter(0))); |
| Stream s = m.Build(); |
| ASSERT_EQ(1U, s.size()); |
| EXPECT_EQ(kX64Movl, s[0]->arch_opcode()); |
| } |
| |
| |
| TEST_F(InstructionSelectorTest, TruncateInt64ToInt32WithParameter) { |
| StreamBuilder m(this, kMachInt32, kMachInt64); |
| m.Return(m.TruncateInt64ToInt32(m.Parameter(0))); |
| Stream s = m.Build(); |
| ASSERT_EQ(1U, s.size()); |
| EXPECT_EQ(kX64Movl, s[0]->arch_opcode()); |
| } |
| |
| |
| // ----------------------------------------------------------------------------- |
| // Loads and stores |
| |
| namespace { |
| |
| struct MemoryAccess { |
| MachineType type; |
| ArchOpcode load_opcode; |
| ArchOpcode store_opcode; |
| }; |
| |
| |
| std::ostream& operator<<(std::ostream& os, const MemoryAccess& memacc) { |
| OStringStream ost; |
| ost << memacc.type; |
| return os << ost.c_str(); |
| } |
| |
| |
| static const MemoryAccess kMemoryAccesses[] = { |
| {kMachInt8, kX64Movsxbl, kX64Movb}, |
| {kMachUint8, kX64Movzxbl, kX64Movb}, |
| {kMachInt16, kX64Movsxwl, kX64Movw}, |
| {kMachUint16, kX64Movzxwl, kX64Movw}, |
| {kMachInt32, kX64Movl, kX64Movl}, |
| {kMachUint32, kX64Movl, kX64Movl}, |
| {kMachInt64, kX64Movq, kX64Movq}, |
| {kMachUint64, kX64Movq, kX64Movq}, |
| {kMachFloat32, kX64Movss, kX64Movss}, |
| {kMachFloat64, kX64Movsd, kX64Movsd}}; |
| |
| } // namespace |
| |
| |
| typedef InstructionSelectorTestWithParam<MemoryAccess> |
| InstructionSelectorMemoryAccessTest; |
| |
| |
| TEST_P(InstructionSelectorMemoryAccessTest, LoadWithParameters) { |
| const MemoryAccess memacc = GetParam(); |
| StreamBuilder m(this, memacc.type, kMachPtr, kMachInt32); |
| m.Return(m.Load(memacc.type, m.Parameter(0), m.Parameter(1))); |
| Stream s = m.Build(); |
| ASSERT_EQ(1U, s.size()); |
| EXPECT_EQ(memacc.load_opcode, s[0]->arch_opcode()); |
| EXPECT_EQ(2U, s[0]->InputCount()); |
| EXPECT_EQ(1U, s[0]->OutputCount()); |
| } |
| |
| |
| TEST_P(InstructionSelectorMemoryAccessTest, StoreWithParameters) { |
| const MemoryAccess memacc = GetParam(); |
| StreamBuilder m(this, kMachInt32, kMachPtr, kMachInt32, memacc.type); |
| m.Store(memacc.type, m.Parameter(0), m.Parameter(1), m.Parameter(2)); |
| m.Return(m.Int32Constant(0)); |
| Stream s = m.Build(); |
| ASSERT_EQ(1U, s.size()); |
| EXPECT_EQ(memacc.store_opcode, s[0]->arch_opcode()); |
| EXPECT_EQ(3U, s[0]->InputCount()); |
| EXPECT_EQ(0U, s[0]->OutputCount()); |
| } |
| |
| |
| INSTANTIATE_TEST_CASE_P(InstructionSelectorTest, |
| InstructionSelectorMemoryAccessTest, |
| ::testing::ValuesIn(kMemoryAccesses)); |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |