| // 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 { |
| |
| namespace { |
| |
| // Immediates (random subset). |
| static const int32_t kImmediates[] = { |
| kMinInt, -42, -1, 0, 1, 2, 3, 4, 5, |
| 6, 7, 8, 16, 42, 0xff, 0xffff, 0x0f0f0f0f, kMaxInt}; |
| |
| } // namespace |
| |
| |
| TEST_F(InstructionSelectorTest, Int32AddWithParameter) { |
| StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32); |
| m.Return(m.Int32Add(m.Parameter(0), m.Parameter(1))); |
| Stream s = m.Build(); |
| ASSERT_EQ(1U, s.size()); |
| EXPECT_EQ(kIA32Add, s[0]->arch_opcode()); |
| } |
| |
| |
| TEST_F(InstructionSelectorTest, Int32AddWithImmediate) { |
| TRACED_FOREACH(int32_t, imm, kImmediates) { |
| { |
| StreamBuilder m(this, kMachInt32, kMachInt32); |
| m.Return(m.Int32Add(m.Parameter(0), m.Int32Constant(imm))); |
| Stream s = m.Build(); |
| ASSERT_EQ(1U, s.size()); |
| EXPECT_EQ(kIA32Add, s[0]->arch_opcode()); |
| ASSERT_EQ(2U, s[0]->InputCount()); |
| EXPECT_EQ(imm, s.ToInt32(s[0]->InputAt(1))); |
| } |
| { |
| StreamBuilder m(this, kMachInt32, kMachInt32); |
| m.Return(m.Int32Add(m.Int32Constant(imm), m.Parameter(0))); |
| Stream s = m.Build(); |
| ASSERT_EQ(1U, s.size()); |
| EXPECT_EQ(kIA32Add, s[0]->arch_opcode()); |
| ASSERT_EQ(2U, s[0]->InputCount()); |
| EXPECT_EQ(imm, s.ToInt32(s[0]->InputAt(1))); |
| } |
| } |
| } |
| |
| |
| TEST_F(InstructionSelectorTest, Int32SubWithParameter) { |
| StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32); |
| m.Return(m.Int32Sub(m.Parameter(0), m.Parameter(1))); |
| Stream s = m.Build(); |
| ASSERT_EQ(1U, s.size()); |
| EXPECT_EQ(kIA32Sub, s[0]->arch_opcode()); |
| EXPECT_EQ(1U, s[0]->OutputCount()); |
| } |
| |
| |
| TEST_F(InstructionSelectorTest, Int32SubWithImmediate) { |
| TRACED_FOREACH(int32_t, imm, kImmediates) { |
| StreamBuilder m(this, kMachInt32, kMachInt32); |
| m.Return(m.Int32Sub(m.Parameter(0), m.Int32Constant(imm))); |
| Stream s = m.Build(); |
| ASSERT_EQ(1U, s.size()); |
| EXPECT_EQ(kIA32Sub, s[0]->arch_opcode()); |
| ASSERT_EQ(2U, s[0]->InputCount()); |
| EXPECT_EQ(imm, s.ToInt32(s[0]->InputAt(1))); |
| } |
| } |
| |
| |
| // ----------------------------------------------------------------------------- |
| // 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, kIA32Movsxbl, kIA32Movb}, |
| {kMachUint8, kIA32Movzxbl, kIA32Movb}, |
| {kMachInt16, kIA32Movsxwl, kIA32Movw}, |
| {kMachUint16, kIA32Movzxwl, kIA32Movw}, |
| {kMachInt32, kIA32Movl, kIA32Movl}, |
| {kMachUint32, kIA32Movl, kIA32Movl}, |
| {kMachFloat32, kIA32Movss, kIA32Movss}, |
| {kMachFloat64, kIA32Movsd, kIA32Movsd}}; |
| |
| } // 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, LoadWithImmediateBase) { |
| const MemoryAccess memacc = GetParam(); |
| TRACED_FOREACH(int32_t, base, kImmediates) { |
| StreamBuilder m(this, memacc.type, kMachPtr); |
| m.Return(m.Load(memacc.type, m.Int32Constant(base), m.Parameter(0))); |
| Stream s = m.Build(); |
| ASSERT_EQ(1U, s.size()); |
| EXPECT_EQ(memacc.load_opcode, s[0]->arch_opcode()); |
| ASSERT_EQ(2U, s[0]->InputCount()); |
| ASSERT_EQ(InstructionOperand::IMMEDIATE, s[0]->InputAt(1)->kind()); |
| EXPECT_EQ(base, s.ToInt32(s[0]->InputAt(1))); |
| EXPECT_EQ(1U, s[0]->OutputCount()); |
| } |
| } |
| |
| |
| TEST_P(InstructionSelectorMemoryAccessTest, LoadWithImmediateIndex) { |
| const MemoryAccess memacc = GetParam(); |
| TRACED_FOREACH(int32_t, index, kImmediates) { |
| StreamBuilder m(this, memacc.type, kMachPtr); |
| m.Return(m.Load(memacc.type, m.Parameter(0), m.Int32Constant(index))); |
| Stream s = m.Build(); |
| ASSERT_EQ(1U, s.size()); |
| EXPECT_EQ(memacc.load_opcode, s[0]->arch_opcode()); |
| ASSERT_EQ(2U, s[0]->InputCount()); |
| ASSERT_EQ(InstructionOperand::IMMEDIATE, s[0]->InputAt(1)->kind()); |
| EXPECT_EQ(index, s.ToInt32(s[0]->InputAt(1))); |
| 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()); |
| } |
| |
| |
| TEST_P(InstructionSelectorMemoryAccessTest, StoreWithImmediateBase) { |
| const MemoryAccess memacc = GetParam(); |
| TRACED_FOREACH(int32_t, base, kImmediates) { |
| StreamBuilder m(this, kMachInt32, kMachInt32, memacc.type); |
| m.Store(memacc.type, m.Int32Constant(base), m.Parameter(0), m.Parameter(1)); |
| m.Return(m.Int32Constant(0)); |
| Stream s = m.Build(); |
| ASSERT_EQ(1U, s.size()); |
| EXPECT_EQ(memacc.store_opcode, s[0]->arch_opcode()); |
| ASSERT_EQ(3U, s[0]->InputCount()); |
| ASSERT_EQ(InstructionOperand::IMMEDIATE, s[0]->InputAt(1)->kind()); |
| EXPECT_EQ(base, s.ToInt32(s[0]->InputAt(1))); |
| EXPECT_EQ(0U, s[0]->OutputCount()); |
| } |
| } |
| |
| |
| TEST_P(InstructionSelectorMemoryAccessTest, StoreWithImmediateIndex) { |
| const MemoryAccess memacc = GetParam(); |
| TRACED_FOREACH(int32_t, index, kImmediates) { |
| StreamBuilder m(this, kMachInt32, kMachPtr, memacc.type); |
| m.Store(memacc.type, m.Parameter(0), m.Int32Constant(index), |
| m.Parameter(1)); |
| m.Return(m.Int32Constant(0)); |
| Stream s = m.Build(); |
| ASSERT_EQ(1U, s.size()); |
| EXPECT_EQ(memacc.store_opcode, s[0]->arch_opcode()); |
| ASSERT_EQ(3U, s[0]->InputCount()); |
| ASSERT_EQ(InstructionOperand::IMMEDIATE, s[0]->InputAt(1)->kind()); |
| EXPECT_EQ(index, s.ToInt32(s[0]->InputAt(1))); |
| EXPECT_EQ(0U, s[0]->OutputCount()); |
| } |
| } |
| |
| |
| INSTANTIATE_TEST_CASE_P(InstructionSelectorTest, |
| InstructionSelectorMemoryAccessTest, |
| ::testing::ValuesIn(kMemoryAccesses)); |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |