Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 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 | // ----------------------------------------------------------------------------- |
| 12 | // Conversions. |
| 13 | |
| 14 | |
| 15 | TEST_F(InstructionSelectorTest, ChangeInt32ToInt64WithParameter) { |
| 16 | StreamBuilder m(this, kMachInt64, kMachInt32); |
| 17 | m.Return(m.ChangeInt32ToInt64(m.Parameter(0))); |
| 18 | Stream s = m.Build(); |
| 19 | ASSERT_EQ(1U, s.size()); |
| 20 | EXPECT_EQ(kX64Movsxlq, s[0]->arch_opcode()); |
| 21 | } |
| 22 | |
| 23 | |
| 24 | TEST_F(InstructionSelectorTest, ChangeUint32ToUint64WithParameter) { |
| 25 | StreamBuilder m(this, kMachUint64, kMachUint32); |
| 26 | m.Return(m.ChangeUint32ToUint64(m.Parameter(0))); |
| 27 | Stream s = m.Build(); |
| 28 | ASSERT_EQ(1U, s.size()); |
| 29 | EXPECT_EQ(kX64Movl, s[0]->arch_opcode()); |
| 30 | } |
| 31 | |
| 32 | |
| 33 | TEST_F(InstructionSelectorTest, TruncateInt64ToInt32WithParameter) { |
| 34 | StreamBuilder m(this, kMachInt32, kMachInt64); |
| 35 | m.Return(m.TruncateInt64ToInt32(m.Parameter(0))); |
| 36 | Stream s = m.Build(); |
| 37 | ASSERT_EQ(1U, s.size()); |
| 38 | EXPECT_EQ(kX64Movl, s[0]->arch_opcode()); |
| 39 | } |
| 40 | |
| 41 | |
| 42 | // ----------------------------------------------------------------------------- |
| 43 | // Loads and stores |
| 44 | |
| 45 | namespace { |
| 46 | |
| 47 | struct MemoryAccess { |
| 48 | MachineType type; |
| 49 | ArchOpcode load_opcode; |
| 50 | ArchOpcode store_opcode; |
| 51 | }; |
| 52 | |
| 53 | |
| 54 | std::ostream& operator<<(std::ostream& os, const MemoryAccess& memacc) { |
| 55 | OStringStream ost; |
| 56 | ost << memacc.type; |
| 57 | return os << ost.c_str(); |
| 58 | } |
| 59 | |
| 60 | |
| 61 | static const MemoryAccess kMemoryAccesses[] = { |
| 62 | {kMachInt8, kX64Movsxbl, kX64Movb}, |
| 63 | {kMachUint8, kX64Movzxbl, kX64Movb}, |
| 64 | {kMachInt16, kX64Movsxwl, kX64Movw}, |
| 65 | {kMachUint16, kX64Movzxwl, kX64Movw}, |
| 66 | {kMachInt32, kX64Movl, kX64Movl}, |
| 67 | {kMachUint32, kX64Movl, kX64Movl}, |
| 68 | {kMachInt64, kX64Movq, kX64Movq}, |
| 69 | {kMachUint64, kX64Movq, kX64Movq}, |
| 70 | {kMachFloat32, kX64Movss, kX64Movss}, |
| 71 | {kMachFloat64, kX64Movsd, kX64Movsd}}; |
| 72 | |
| 73 | } // namespace |
| 74 | |
| 75 | |
| 76 | typedef InstructionSelectorTestWithParam<MemoryAccess> |
| 77 | InstructionSelectorMemoryAccessTest; |
| 78 | |
| 79 | |
| 80 | TEST_P(InstructionSelectorMemoryAccessTest, LoadWithParameters) { |
| 81 | const MemoryAccess memacc = GetParam(); |
| 82 | StreamBuilder m(this, memacc.type, kMachPtr, kMachInt32); |
| 83 | m.Return(m.Load(memacc.type, m.Parameter(0), m.Parameter(1))); |
| 84 | Stream s = m.Build(); |
| 85 | ASSERT_EQ(1U, s.size()); |
| 86 | EXPECT_EQ(memacc.load_opcode, s[0]->arch_opcode()); |
| 87 | EXPECT_EQ(2U, s[0]->InputCount()); |
| 88 | EXPECT_EQ(1U, s[0]->OutputCount()); |
| 89 | } |
| 90 | |
| 91 | |
| 92 | TEST_P(InstructionSelectorMemoryAccessTest, StoreWithParameters) { |
| 93 | const MemoryAccess memacc = GetParam(); |
| 94 | StreamBuilder m(this, kMachInt32, kMachPtr, kMachInt32, memacc.type); |
| 95 | m.Store(memacc.type, m.Parameter(0), m.Parameter(1), m.Parameter(2)); |
| 96 | m.Return(m.Int32Constant(0)); |
| 97 | Stream s = m.Build(); |
| 98 | ASSERT_EQ(1U, s.size()); |
| 99 | EXPECT_EQ(memacc.store_opcode, s[0]->arch_opcode()); |
| 100 | EXPECT_EQ(3U, s[0]->InputCount()); |
| 101 | EXPECT_EQ(0U, s[0]->OutputCount()); |
| 102 | } |
| 103 | |
| 104 | |
| 105 | INSTANTIATE_TEST_CASE_P(InstructionSelectorTest, |
| 106 | InstructionSelectorMemoryAccessTest, |
| 107 | ::testing::ValuesIn(kMemoryAccesses)); |
| 108 | |
| 109 | } // namespace compiler |
| 110 | } // namespace internal |
| 111 | } // namespace v8 |