1 // Copyright 2014 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "src/compiler/instruction-selector-unittest.h" 6 7 namespace v8 { 8 namespace internal { 9 namespace compiler { 10 11 namespace { 12 13 // Immediates (random subset). 14 static const int32_t kImmediates[] = { 15 kMinInt, -42, -1, 0, 1, 2, 3, 4, 5, 16 6, 7, 8, 16, 42, 0xff, 0xffff, 0x0f0f0f0f, kMaxInt}; 17 18 } // namespace 19 20 21 TEST_F(InstructionSelectorTest, Int32AddWithParameter) { 22 StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32); 23 m.Return(m.Int32Add(m.Parameter(0), m.Parameter(1))); 24 Stream s = m.Build(); 25 ASSERT_EQ(1U, s.size()); 26 EXPECT_EQ(kIA32Add, s[0]->arch_opcode()); 27 } 28 29 30 TEST_F(InstructionSelectorTest, Int32AddWithImmediate) { 31 TRACED_FOREACH(int32_t, imm, kImmediates) { 32 { 33 StreamBuilder m(this, kMachInt32, kMachInt32); 34 m.Return(m.Int32Add(m.Parameter(0), m.Int32Constant(imm))); 35 Stream s = m.Build(); 36 ASSERT_EQ(1U, s.size()); 37 EXPECT_EQ(kIA32Add, s[0]->arch_opcode()); 38 ASSERT_EQ(2U, s[0]->InputCount()); 39 EXPECT_EQ(imm, s.ToInt32(s[0]->InputAt(1))); 40 } 41 { 42 StreamBuilder m(this, kMachInt32, kMachInt32); 43 m.Return(m.Int32Add(m.Int32Constant(imm), m.Parameter(0))); 44 Stream s = m.Build(); 45 ASSERT_EQ(1U, s.size()); 46 EXPECT_EQ(kIA32Add, s[0]->arch_opcode()); 47 ASSERT_EQ(2U, s[0]->InputCount()); 48 EXPECT_EQ(imm, s.ToInt32(s[0]->InputAt(1))); 49 } 50 } 51 } 52 53 54 TEST_F(InstructionSelectorTest, Int32SubWithParameter) { 55 StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32); 56 m.Return(m.Int32Sub(m.Parameter(0), m.Parameter(1))); 57 Stream s = m.Build(); 58 ASSERT_EQ(1U, s.size()); 59 EXPECT_EQ(kIA32Sub, s[0]->arch_opcode()); 60 EXPECT_EQ(1U, s[0]->OutputCount()); 61 } 62 63 64 TEST_F(InstructionSelectorTest, Int32SubWithImmediate) { 65 TRACED_FOREACH(int32_t, imm, kImmediates) { 66 StreamBuilder m(this, kMachInt32, kMachInt32); 67 m.Return(m.Int32Sub(m.Parameter(0), m.Int32Constant(imm))); 68 Stream s = m.Build(); 69 ASSERT_EQ(1U, s.size()); 70 EXPECT_EQ(kIA32Sub, s[0]->arch_opcode()); 71 ASSERT_EQ(2U, s[0]->InputCount()); 72 EXPECT_EQ(imm, s.ToInt32(s[0]->InputAt(1))); 73 } 74 } 75 76 77 // ----------------------------------------------------------------------------- 78 // Loads and stores 79 80 namespace { 81 82 struct MemoryAccess { 83 MachineType type; 84 ArchOpcode load_opcode; 85 ArchOpcode store_opcode; 86 }; 87 88 89 std::ostream& operator<<(std::ostream& os, const MemoryAccess& memacc) { 90 OStringStream ost; 91 ost << memacc.type; 92 return os << ost.c_str(); 93 } 94 95 96 static const MemoryAccess kMemoryAccesses[] = { 97 {kMachInt8, kIA32Movsxbl, kIA32Movb}, 98 {kMachUint8, kIA32Movzxbl, kIA32Movb}, 99 {kMachInt16, kIA32Movsxwl, kIA32Movw}, 100 {kMachUint16, kIA32Movzxwl, kIA32Movw}, 101 {kMachInt32, kIA32Movl, kIA32Movl}, 102 {kMachUint32, kIA32Movl, kIA32Movl}, 103 {kMachFloat32, kIA32Movss, kIA32Movss}, 104 {kMachFloat64, kIA32Movsd, kIA32Movsd}}; 105 106 } // namespace 107 108 109 typedef InstructionSelectorTestWithParam<MemoryAccess> 110 InstructionSelectorMemoryAccessTest; 111 112 113 TEST_P(InstructionSelectorMemoryAccessTest, LoadWithParameters) { 114 const MemoryAccess memacc = GetParam(); 115 StreamBuilder m(this, memacc.type, kMachPtr, kMachInt32); 116 m.Return(m.Load(memacc.type, m.Parameter(0), m.Parameter(1))); 117 Stream s = m.Build(); 118 ASSERT_EQ(1U, s.size()); 119 EXPECT_EQ(memacc.load_opcode, s[0]->arch_opcode()); 120 EXPECT_EQ(2U, s[0]->InputCount()); 121 EXPECT_EQ(1U, s[0]->OutputCount()); 122 } 123 124 125 TEST_P(InstructionSelectorMemoryAccessTest, LoadWithImmediateBase) { 126 const MemoryAccess memacc = GetParam(); 127 TRACED_FOREACH(int32_t, base, kImmediates) { 128 StreamBuilder m(this, memacc.type, kMachPtr); 129 m.Return(m.Load(memacc.type, m.Int32Constant(base), m.Parameter(0))); 130 Stream s = m.Build(); 131 ASSERT_EQ(1U, s.size()); 132 EXPECT_EQ(memacc.load_opcode, s[0]->arch_opcode()); 133 ASSERT_EQ(2U, s[0]->InputCount()); 134 ASSERT_EQ(InstructionOperand::IMMEDIATE, s[0]->InputAt(1)->kind()); 135 EXPECT_EQ(base, s.ToInt32(s[0]->InputAt(1))); 136 EXPECT_EQ(1U, s[0]->OutputCount()); 137 } 138 } 139 140 141 TEST_P(InstructionSelectorMemoryAccessTest, LoadWithImmediateIndex) { 142 const MemoryAccess memacc = GetParam(); 143 TRACED_FOREACH(int32_t, index, kImmediates) { 144 StreamBuilder m(this, memacc.type, kMachPtr); 145 m.Return(m.Load(memacc.type, m.Parameter(0), m.Int32Constant(index))); 146 Stream s = m.Build(); 147 ASSERT_EQ(1U, s.size()); 148 EXPECT_EQ(memacc.load_opcode, s[0]->arch_opcode()); 149 ASSERT_EQ(2U, s[0]->InputCount()); 150 ASSERT_EQ(InstructionOperand::IMMEDIATE, s[0]->InputAt(1)->kind()); 151 EXPECT_EQ(index, s.ToInt32(s[0]->InputAt(1))); 152 EXPECT_EQ(1U, s[0]->OutputCount()); 153 } 154 } 155 156 157 TEST_P(InstructionSelectorMemoryAccessTest, StoreWithParameters) { 158 const MemoryAccess memacc = GetParam(); 159 StreamBuilder m(this, kMachInt32, kMachPtr, kMachInt32, memacc.type); 160 m.Store(memacc.type, m.Parameter(0), m.Parameter(1), m.Parameter(2)); 161 m.Return(m.Int32Constant(0)); 162 Stream s = m.Build(); 163 ASSERT_EQ(1U, s.size()); 164 EXPECT_EQ(memacc.store_opcode, s[0]->arch_opcode()); 165 EXPECT_EQ(3U, s[0]->InputCount()); 166 EXPECT_EQ(0U, s[0]->OutputCount()); 167 } 168 169 170 TEST_P(InstructionSelectorMemoryAccessTest, StoreWithImmediateBase) { 171 const MemoryAccess memacc = GetParam(); 172 TRACED_FOREACH(int32_t, base, kImmediates) { 173 StreamBuilder m(this, kMachInt32, kMachInt32, memacc.type); 174 m.Store(memacc.type, m.Int32Constant(base), m.Parameter(0), m.Parameter(1)); 175 m.Return(m.Int32Constant(0)); 176 Stream s = m.Build(); 177 ASSERT_EQ(1U, s.size()); 178 EXPECT_EQ(memacc.store_opcode, s[0]->arch_opcode()); 179 ASSERT_EQ(3U, s[0]->InputCount()); 180 ASSERT_EQ(InstructionOperand::IMMEDIATE, s[0]->InputAt(1)->kind()); 181 EXPECT_EQ(base, s.ToInt32(s[0]->InputAt(1))); 182 EXPECT_EQ(0U, s[0]->OutputCount()); 183 } 184 } 185 186 187 TEST_P(InstructionSelectorMemoryAccessTest, StoreWithImmediateIndex) { 188 const MemoryAccess memacc = GetParam(); 189 TRACED_FOREACH(int32_t, index, kImmediates) { 190 StreamBuilder m(this, kMachInt32, kMachPtr, memacc.type); 191 m.Store(memacc.type, m.Parameter(0), m.Int32Constant(index), 192 m.Parameter(1)); 193 m.Return(m.Int32Constant(0)); 194 Stream s = m.Build(); 195 ASSERT_EQ(1U, s.size()); 196 EXPECT_EQ(memacc.store_opcode, s[0]->arch_opcode()); 197 ASSERT_EQ(3U, s[0]->InputCount()); 198 ASSERT_EQ(InstructionOperand::IMMEDIATE, s[0]->InputAt(1)->kind()); 199 EXPECT_EQ(index, s.ToInt32(s[0]->InputAt(1))); 200 EXPECT_EQ(0U, s[0]->OutputCount()); 201 } 202 } 203 204 205 INSTANTIATE_TEST_CASE_P(InstructionSelectorTest, 206 InstructionSelectorMemoryAccessTest, 207 ::testing::ValuesIn(kMemoryAccesses)); 208 209 } // namespace compiler 210 } // namespace internal 211 } // namespace v8 212
