d18bfa1130
Avoid loading the stack pointer and the stack limit into allocatable registers first, but generate a cmp rsp,[limit] instead. R=dcarney@chromium.org Review URL: https://codereview.chromium.org/989203002 Cr-Commit-Position: refs/heads/master@{#27065}
1152 lines
40 KiB
C++
1152 lines
40 KiB
C++
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "test/unittests/compiler/instruction-selector-unittest.h"
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#include "src/compiler/node-matchers.h"
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namespace v8 {
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namespace internal {
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namespace compiler {
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// -----------------------------------------------------------------------------
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// Conversions.
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TEST_F(InstructionSelectorTest, ChangeFloat32ToFloat64WithParameter) {
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StreamBuilder m(this, kMachFloat32, kMachFloat64);
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m.Return(m.ChangeFloat32ToFloat64(m.Parameter(0)));
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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EXPECT_EQ(kSSECvtss2sd, s[0]->arch_opcode());
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EXPECT_EQ(1U, s[0]->InputCount());
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EXPECT_EQ(1U, s[0]->OutputCount());
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}
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TEST_F(InstructionSelectorTest, ChangeInt32ToInt64WithParameter) {
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StreamBuilder m(this, kMachInt64, kMachInt32);
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m.Return(m.ChangeInt32ToInt64(m.Parameter(0)));
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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EXPECT_EQ(kX64Movsxlq, s[0]->arch_opcode());
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}
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TEST_F(InstructionSelectorTest, ChangeUint32ToFloat64WithParameter) {
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StreamBuilder m(this, kMachFloat64, kMachUint32);
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m.Return(m.ChangeUint32ToFloat64(m.Parameter(0)));
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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EXPECT_EQ(kSSEUint32ToFloat64, s[0]->arch_opcode());
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}
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TEST_F(InstructionSelectorTest, ChangeUint32ToUint64WithParameter) {
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StreamBuilder m(this, kMachUint64, kMachUint32);
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m.Return(m.ChangeUint32ToUint64(m.Parameter(0)));
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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EXPECT_EQ(kX64Movl, s[0]->arch_opcode());
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}
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TEST_F(InstructionSelectorTest, TruncateFloat64ToFloat32WithParameter) {
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StreamBuilder m(this, kMachFloat64, kMachFloat32);
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m.Return(m.TruncateFloat64ToFloat32(m.Parameter(0)));
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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EXPECT_EQ(kSSECvtsd2ss, s[0]->arch_opcode());
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EXPECT_EQ(1U, s[0]->InputCount());
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EXPECT_EQ(1U, s[0]->OutputCount());
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}
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TEST_F(InstructionSelectorTest, TruncateInt64ToInt32WithParameter) {
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StreamBuilder m(this, kMachInt32, kMachInt64);
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m.Return(m.TruncateInt64ToInt32(m.Parameter(0)));
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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EXPECT_EQ(kX64Movl, s[0]->arch_opcode());
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}
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// -----------------------------------------------------------------------------
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// Loads and stores
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namespace {
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struct MemoryAccess {
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MachineType type;
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ArchOpcode load_opcode;
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ArchOpcode store_opcode;
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};
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std::ostream& operator<<(std::ostream& os, const MemoryAccess& memacc) {
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return os << memacc.type;
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}
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static const MemoryAccess kMemoryAccesses[] = {
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{kMachInt8, kX64Movsxbl, kX64Movb},
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{kMachUint8, kX64Movzxbl, kX64Movb},
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{kMachInt16, kX64Movsxwl, kX64Movw},
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{kMachUint16, kX64Movzxwl, kX64Movw},
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{kMachInt32, kX64Movl, kX64Movl},
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{kMachUint32, kX64Movl, kX64Movl},
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{kMachInt64, kX64Movq, kX64Movq},
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{kMachUint64, kX64Movq, kX64Movq},
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{kMachFloat32, kX64Movss, kX64Movss},
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{kMachFloat64, kX64Movsd, kX64Movsd}};
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} // namespace
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typedef InstructionSelectorTestWithParam<MemoryAccess>
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InstructionSelectorMemoryAccessTest;
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TEST_P(InstructionSelectorMemoryAccessTest, LoadWithParameters) {
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const MemoryAccess memacc = GetParam();
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StreamBuilder m(this, memacc.type, kMachPtr, kMachInt32);
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m.Return(m.Load(memacc.type, m.Parameter(0), m.Parameter(1)));
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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EXPECT_EQ(memacc.load_opcode, s[0]->arch_opcode());
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EXPECT_EQ(2U, s[0]->InputCount());
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EXPECT_EQ(1U, s[0]->OutputCount());
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}
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TEST_P(InstructionSelectorMemoryAccessTest, StoreWithParameters) {
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const MemoryAccess memacc = GetParam();
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StreamBuilder m(this, kMachInt32, kMachPtr, kMachInt32, memacc.type);
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m.Store(memacc.type, m.Parameter(0), m.Parameter(1), m.Parameter(2));
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m.Return(m.Int32Constant(0));
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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EXPECT_EQ(memacc.store_opcode, s[0]->arch_opcode());
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EXPECT_EQ(3U, s[0]->InputCount());
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EXPECT_EQ(0U, s[0]->OutputCount());
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}
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INSTANTIATE_TEST_CASE_P(InstructionSelectorTest,
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InstructionSelectorMemoryAccessTest,
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::testing::ValuesIn(kMemoryAccesses));
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// -----------------------------------------------------------------------------
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// ChangeUint32ToUint64.
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namespace {
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typedef Node* (RawMachineAssembler::*Constructor)(Node*, Node*);
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struct BinaryOperation {
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Constructor constructor;
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const char* constructor_name;
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};
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std::ostream& operator<<(std::ostream& os, const BinaryOperation& bop) {
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return os << bop.constructor_name;
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}
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const BinaryOperation kWord32BinaryOperations[] = {
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{&RawMachineAssembler::Word32And, "Word32And"},
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{&RawMachineAssembler::Word32Or, "Word32Or"},
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{&RawMachineAssembler::Word32Xor, "Word32Xor"},
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{&RawMachineAssembler::Word32Shl, "Word32Shl"},
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{&RawMachineAssembler::Word32Shr, "Word32Shr"},
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{&RawMachineAssembler::Word32Sar, "Word32Sar"},
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{&RawMachineAssembler::Word32Ror, "Word32Ror"},
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{&RawMachineAssembler::Word32Equal, "Word32Equal"},
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{&RawMachineAssembler::Int32Add, "Int32Add"},
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{&RawMachineAssembler::Int32Sub, "Int32Sub"},
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{&RawMachineAssembler::Int32Mul, "Int32Mul"},
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{&RawMachineAssembler::Int32MulHigh, "Int32MulHigh"},
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{&RawMachineAssembler::Int32Div, "Int32Div"},
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{&RawMachineAssembler::Int32LessThan, "Int32LessThan"},
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{&RawMachineAssembler::Int32LessThanOrEqual, "Int32LessThanOrEqual"},
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{&RawMachineAssembler::Int32Mod, "Int32Mod"},
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{&RawMachineAssembler::Uint32Div, "Uint32Div"},
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{&RawMachineAssembler::Uint32LessThan, "Uint32LessThan"},
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{&RawMachineAssembler::Uint32LessThanOrEqual, "Uint32LessThanOrEqual"},
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{&RawMachineAssembler::Uint32Mod, "Uint32Mod"}};
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} // namespace
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typedef InstructionSelectorTestWithParam<BinaryOperation>
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InstructionSelectorChangeUint32ToUint64Test;
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TEST_P(InstructionSelectorChangeUint32ToUint64Test, ChangeUint32ToUint64) {
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const BinaryOperation& bop = GetParam();
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StreamBuilder m(this, kMachUint64, kMachInt32, kMachInt32);
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Node* const p0 = m.Parameter(0);
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Node* const p1 = m.Parameter(1);
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m.Return(m.ChangeUint32ToUint64((m.*bop.constructor)(p0, p1)));
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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}
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INSTANTIATE_TEST_CASE_P(InstructionSelectorTest,
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InstructionSelectorChangeUint32ToUint64Test,
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::testing::ValuesIn(kWord32BinaryOperations));
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// -----------------------------------------------------------------------------
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// TruncateInt64ToInt32.
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TEST_F(InstructionSelectorTest, TruncateInt64ToInt32WithWord64Sar) {
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StreamBuilder m(this, kMachInt32, kMachInt64);
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Node* const p = m.Parameter(0);
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Node* const t = m.TruncateInt64ToInt32(m.Word64Sar(p, m.Int64Constant(32)));
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m.Return(t);
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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EXPECT_EQ(kX64Shr, s[0]->arch_opcode());
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ASSERT_EQ(2U, s[0]->InputCount());
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EXPECT_EQ(s.ToVreg(p), s.ToVreg(s[0]->InputAt(0)));
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EXPECT_EQ(32, s.ToInt32(s[0]->InputAt(1)));
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ASSERT_EQ(1U, s[0]->OutputCount());
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EXPECT_TRUE(s.IsSameAsFirst(s[0]->OutputAt(0)));
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EXPECT_EQ(s.ToVreg(t), s.ToVreg(s[0]->OutputAt(0)));
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}
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TEST_F(InstructionSelectorTest, TruncateInt64ToInt32WithWord64Shr) {
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StreamBuilder m(this, kMachInt32, kMachInt64);
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Node* const p = m.Parameter(0);
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Node* const t = m.TruncateInt64ToInt32(m.Word64Shr(p, m.Int64Constant(32)));
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m.Return(t);
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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EXPECT_EQ(kX64Shr, s[0]->arch_opcode());
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ASSERT_EQ(2U, s[0]->InputCount());
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EXPECT_EQ(s.ToVreg(p), s.ToVreg(s[0]->InputAt(0)));
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EXPECT_EQ(32, s.ToInt32(s[0]->InputAt(1)));
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ASSERT_EQ(1U, s[0]->OutputCount());
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EXPECT_TRUE(s.IsSameAsFirst(s[0]->OutputAt(0)));
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EXPECT_EQ(s.ToVreg(t), s.ToVreg(s[0]->OutputAt(0)));
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}
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// -----------------------------------------------------------------------------
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// Addition.
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TEST_F(InstructionSelectorTest, Int32AddWithInt32ParametersLea) {
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StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
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Node* const p0 = m.Parameter(0);
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Node* const p1 = m.Parameter(1);
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Node* const a0 = m.Int32Add(p0, p1);
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// Additional uses of input to add chooses lea
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Node* const a1 = m.Int32Div(p0, p1);
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m.Return(m.Int32Div(a0, a1));
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Stream s = m.Build();
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ASSERT_EQ(3U, s.size());
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EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
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ASSERT_EQ(2U, s[0]->InputCount());
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EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
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EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
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}
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TEST_F(InstructionSelectorTest, Int32AddConstantAsLeaSingle) {
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StreamBuilder m(this, kMachInt32, kMachInt32);
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Node* const p0 = m.Parameter(0);
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Node* const c0 = m.Int32Constant(15);
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// If one of the add's operands is only used once, use an "leal", even though
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// an "addl" could be used. The "leal" has proven faster--out best guess is
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// that it gives the register allocation more freedom and it doesn't set
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// flags, reducing pressure in the CPU's pipeline. If we're lucky with
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// register allocation, then code generation will select an "addl" later for
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// the cases that have been measured to be faster.
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Node* const v0 = m.Int32Add(p0, c0);
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m.Return(v0);
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
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EXPECT_EQ(kMode_MRI, s[0]->addressing_mode());
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ASSERT_EQ(2U, s[0]->InputCount());
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EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
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EXPECT_TRUE(s[0]->InputAt(1)->IsImmediate());
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}
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TEST_F(InstructionSelectorTest, Int32AddConstantAsAdd) {
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StreamBuilder m(this, kMachInt32, kMachInt32);
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Node* const p0 = m.Parameter(0);
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Node* const c0 = m.Int32Constant(1);
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// If there is only a single use of an add's input and the immediate constant
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// for the add is 1, don't use an inc. It is much slower on modern Intel
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// architectures.
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m.Return(m.Int32Add(p0, c0));
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
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EXPECT_EQ(kMode_MRI, s[0]->addressing_mode());
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ASSERT_EQ(2U, s[0]->InputCount());
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EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
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EXPECT_TRUE(s[0]->InputAt(1)->IsImmediate());
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}
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TEST_F(InstructionSelectorTest, Int32AddConstantAsLeaDouble) {
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StreamBuilder m(this, kMachInt32, kMachInt32);
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Node* const p0 = m.Parameter(0);
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Node* const c0 = m.Int32Constant(15);
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// A second use of an add's input uses lea
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Node* const a0 = m.Int32Add(p0, c0);
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m.Return(m.Int32Div(a0, p0));
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Stream s = m.Build();
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ASSERT_EQ(2U, s.size());
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EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
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EXPECT_EQ(kMode_MRI, s[0]->addressing_mode());
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ASSERT_EQ(2U, s[0]->InputCount());
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EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
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EXPECT_TRUE(s[0]->InputAt(1)->IsImmediate());
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}
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TEST_F(InstructionSelectorTest, Int32AddCommutedConstantAsLeaSingle) {
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StreamBuilder m(this, kMachInt32, kMachInt32);
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Node* const p0 = m.Parameter(0);
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Node* const c0 = m.Int32Constant(15);
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// If one of the add's operands is only used once, use an "leal", even though
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// an "addl" could be used. The "leal" has proven faster--out best guess is
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// that it gives the register allocation more freedom and it doesn't set
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// flags, reducing pressure in the CPU's pipeline. If we're lucky with
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// register allocation, then code generation will select an "addl" later for
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// the cases that have been measured to be faster.
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m.Return(m.Int32Add(c0, p0));
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
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EXPECT_EQ(kMode_MRI, s[0]->addressing_mode());
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ASSERT_EQ(2U, s[0]->InputCount());
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EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
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EXPECT_TRUE(s[0]->InputAt(1)->IsImmediate());
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}
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TEST_F(InstructionSelectorTest, Int32AddCommutedConstantAsLeaDouble) {
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StreamBuilder m(this, kMachInt32, kMachInt32);
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Node* const p0 = m.Parameter(0);
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Node* const c0 = m.Int32Constant(15);
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// A second use of an add's input uses lea
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Node* const a0 = m.Int32Add(c0, p0);
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USE(a0);
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m.Return(m.Int32Div(a0, p0));
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Stream s = m.Build();
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ASSERT_EQ(2U, s.size());
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EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
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EXPECT_EQ(kMode_MRI, s[0]->addressing_mode());
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ASSERT_EQ(2U, s[0]->InputCount());
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EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
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EXPECT_TRUE(s[0]->InputAt(1)->IsImmediate());
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}
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TEST_F(InstructionSelectorTest, Int32AddSimpleAsAdd) {
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StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
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Node* const p0 = m.Parameter(0);
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Node* const p1 = m.Parameter(1);
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// If one of the add's operands is only used once, use an "leal", even though
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// an "addl" could be used. The "leal" has proven faster--out best guess is
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// that it gives the register allocation more freedom and it doesn't set
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// flags, reducing pressure in the CPU's pipeline. If we're lucky with
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// register allocation, then code generation will select an "addl" later for
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// the cases that have been measured to be faster.
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m.Return(m.Int32Add(p0, p1));
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
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EXPECT_EQ(kMode_MR1, s[0]->addressing_mode());
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ASSERT_EQ(2U, s[0]->InputCount());
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EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
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EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
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}
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TEST_F(InstructionSelectorTest, Int32AddSimpleAsLea) {
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StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
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Node* const p0 = m.Parameter(0);
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Node* const p1 = m.Parameter(1);
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// If all of of the add's operands are used multiple times, use an "leal".
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Node* const v1 = m.Int32Add(p0, p1);
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m.Return(m.Int32Add(m.Int32Add(v1, p1), p0));
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Stream s = m.Build();
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ASSERT_EQ(3U, s.size());
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EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
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EXPECT_EQ(kMode_MR1, s[0]->addressing_mode());
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ASSERT_EQ(2U, s[0]->InputCount());
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EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
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EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
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}
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TEST_F(InstructionSelectorTest, Int32AddScaled2Mul) {
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StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
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Node* const p0 = m.Parameter(0);
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Node* const p1 = m.Parameter(1);
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Node* const s0 = m.Int32Mul(p1, m.Int32Constant(2));
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m.Return(m.Int32Add(p0, s0));
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Stream s = m.Build();
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ASSERT_EQ(1U, s.size());
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EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
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EXPECT_EQ(kMode_MR2, s[0]->addressing_mode());
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ASSERT_EQ(2U, s[0]->InputCount());
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EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
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EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
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}
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TEST_F(InstructionSelectorTest, Int32AddCommutedScaled2Mul) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const s0 = m.Int32Mul(p1, m.Int32Constant(2));
|
|
m.Return(m.Int32Add(s0, p0));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR2, s[0]->addressing_mode());
|
|
ASSERT_EQ(2U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32AddScaled2Shl) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const s0 = m.Word32Shl(p1, m.Int32Constant(1));
|
|
m.Return(m.Int32Add(p0, s0));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR2, s[0]->addressing_mode());
|
|
ASSERT_EQ(2U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32AddCommutedScaled2Shl) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const s0 = m.Word32Shl(p1, m.Int32Constant(1));
|
|
m.Return(m.Int32Add(s0, p0));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR2, s[0]->addressing_mode());
|
|
ASSERT_EQ(2U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32AddScaled4Mul) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const s0 = m.Int32Mul(p1, m.Int32Constant(4));
|
|
m.Return(m.Int32Add(p0, s0));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR4, s[0]->addressing_mode());
|
|
ASSERT_EQ(2U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32AddScaled4Shl) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const s0 = m.Word32Shl(p1, m.Int32Constant(2));
|
|
m.Return(m.Int32Add(p0, s0));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR4, s[0]->addressing_mode());
|
|
ASSERT_EQ(2U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32AddScaled8Mul) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const s0 = m.Int32Mul(p1, m.Int32Constant(8));
|
|
m.Return(m.Int32Add(p0, s0));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR8, s[0]->addressing_mode());
|
|
ASSERT_EQ(2U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32AddScaled8Shl) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const s0 = m.Word32Shl(p1, m.Int32Constant(3));
|
|
m.Return(m.Int32Add(p0, s0));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR8, s[0]->addressing_mode());
|
|
ASSERT_EQ(2U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32AddScaled2MulWithConstant) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const s0 = m.Int32Mul(p1, m.Int32Constant(2));
|
|
Node* const c0 = m.Int32Constant(15);
|
|
m.Return(m.Int32Add(c0, m.Int32Add(p0, s0)));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR2I, s[0]->addressing_mode());
|
|
ASSERT_EQ(3U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
EXPECT_TRUE(s[0]->InputAt(2)->IsImmediate());
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32AddScaled2MulWithConstantShuffle1) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const s0 = m.Int32Mul(p1, m.Int32Constant(2));
|
|
Node* const c0 = m.Int32Constant(15);
|
|
m.Return(m.Int32Add(p0, m.Int32Add(s0, c0)));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR2I, s[0]->addressing_mode());
|
|
ASSERT_EQ(3U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
EXPECT_TRUE(s[0]->InputAt(2)->IsImmediate());
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32AddScaled2MulWithConstantShuffle2) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const s0 = m.Int32Mul(p1, m.Int32Constant(2));
|
|
Node* const c0 = m.Int32Constant(15);
|
|
m.Return(m.Int32Add(s0, m.Int32Add(c0, p0)));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR2I, s[0]->addressing_mode());
|
|
ASSERT_EQ(3U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
EXPECT_TRUE(s[0]->InputAt(2)->IsImmediate());
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32AddScaled2MulWithConstantShuffle3) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const s0 = m.Int32Mul(p1, m.Int32Constant(2));
|
|
Node* const c0 = m.Int32Constant(15);
|
|
m.Return(m.Int32Add(m.Int32Add(s0, c0), p0));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR2I, s[0]->addressing_mode());
|
|
ASSERT_EQ(3U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
EXPECT_TRUE(s[0]->InputAt(2)->IsImmediate());
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32AddScaled2MulWithConstantShuffle4) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const s0 = m.Int32Mul(p1, m.Int32Constant(2));
|
|
Node* const c0 = m.Int32Constant(15);
|
|
m.Return(m.Int32Add(m.Int32Add(c0, p0), s0));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR2I, s[0]->addressing_mode());
|
|
ASSERT_EQ(3U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
EXPECT_TRUE(s[0]->InputAt(2)->IsImmediate());
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32AddScaled2MulWithConstantShuffle5) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const s0 = m.Int32Mul(p1, m.Int32Constant(2));
|
|
Node* const c0 = m.Int32Constant(15);
|
|
m.Return(m.Int32Add(m.Int32Add(p0, s0), c0));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR2I, s[0]->addressing_mode());
|
|
ASSERT_EQ(3U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
EXPECT_TRUE(s[0]->InputAt(2)->IsImmediate());
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32AddScaled2ShlWithConstant) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const s0 = m.Word32Shl(p1, m.Int32Constant(1));
|
|
Node* const c0 = m.Int32Constant(15);
|
|
m.Return(m.Int32Add(c0, m.Int32Add(p0, s0)));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR2I, s[0]->addressing_mode());
|
|
ASSERT_EQ(3U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
EXPECT_TRUE(s[0]->InputAt(2)->IsImmediate());
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32AddScaled4MulWithConstant) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const s0 = m.Int32Mul(p1, m.Int32Constant(4));
|
|
Node* const c0 = m.Int32Constant(15);
|
|
m.Return(m.Int32Add(c0, m.Int32Add(p0, s0)));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR4I, s[0]->addressing_mode());
|
|
ASSERT_EQ(3U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
EXPECT_TRUE(s[0]->InputAt(2)->IsImmediate());
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32AddScaled4ShlWithConstant) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const s0 = m.Word32Shl(p1, m.Int32Constant(2));
|
|
Node* const c0 = m.Int32Constant(15);
|
|
m.Return(m.Int32Add(c0, m.Int32Add(p0, s0)));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR4I, s[0]->addressing_mode());
|
|
ASSERT_EQ(3U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
EXPECT_TRUE(s[0]->InputAt(2)->IsImmediate());
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32AddScaled8MulWithConstant) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const s0 = m.Int32Mul(p1, m.Int32Constant(8));
|
|
Node* const c0 = m.Int32Constant(15);
|
|
m.Return(m.Int32Add(c0, m.Int32Add(p0, s0)));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR8I, s[0]->addressing_mode());
|
|
ASSERT_EQ(3U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
EXPECT_TRUE(s[0]->InputAt(2)->IsImmediate());
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32AddScaled8ShlWithConstant) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const s0 = m.Word32Shl(p1, m.Int32Constant(3));
|
|
Node* const c0 = m.Int32Constant(15);
|
|
m.Return(m.Int32Add(c0, m.Int32Add(p0, s0)));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR8I, s[0]->addressing_mode());
|
|
ASSERT_EQ(3U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
EXPECT_TRUE(s[0]->InputAt(2)->IsImmediate());
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32SubConstantAsSub) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const c0 = m.Int32Constant(-1);
|
|
// If there is only a single use of on of the sub's non-constant input, use a
|
|
// "subl" instruction.
|
|
m.Return(m.Int32Sub(p0, c0));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MRI, s[0]->addressing_mode());
|
|
ASSERT_EQ(2U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_TRUE(s[0]->InputAt(1)->IsImmediate());
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32SubConstantAsLea) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const c0 = m.Int32Constant(-1);
|
|
// If there are multiple uses of on of the sub's non-constant input, use a
|
|
// "leal" instruction.
|
|
Node* const v0 = m.Int32Sub(p0, c0);
|
|
m.Return(m.Int32Div(p0, v0));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(2U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MRI, s[0]->addressing_mode());
|
|
ASSERT_EQ(2U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_TRUE(s[0]->InputAt(1)->IsImmediate());
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32AddScaled2Other) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const p2 = m.Parameter(2);
|
|
Node* const s0 = m.Int32Mul(p1, m.Int32Constant(2));
|
|
Node* const a0 = m.Int32Add(s0, p2);
|
|
Node* const a1 = m.Int32Add(p0, a0);
|
|
m.Return(a1);
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(2U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR2, s[0]->addressing_mode());
|
|
ASSERT_EQ(2U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p2), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
EXPECT_EQ(s.ToVreg(a0), s.ToVreg(s[0]->OutputAt(0)));
|
|
ASSERT_EQ(2U, s[1]->InputCount());
|
|
EXPECT_EQ(kX64Lea32, s[1]->arch_opcode());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[1]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(a0), s.ToVreg(s[1]->InputAt(1)));
|
|
EXPECT_EQ(s.ToVreg(a1), s.ToVreg(s[1]->OutputAt(0)));
|
|
}
|
|
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// Multiplication.
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32MulWithInt32MulWithParameters) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const m0 = m.Int32Mul(p0, p1);
|
|
m.Return(m.Int32Mul(m0, p0));
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(2U, s.size());
|
|
EXPECT_EQ(kX64Imul32, s[0]->arch_opcode());
|
|
ASSERT_EQ(2U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(1)));
|
|
ASSERT_EQ(1U, s[0]->OutputCount());
|
|
EXPECT_EQ(s.ToVreg(m0), s.ToVreg(s[0]->OutputAt(0)));
|
|
EXPECT_EQ(kX64Imul32, s[1]->arch_opcode());
|
|
ASSERT_EQ(2U, s[1]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[1]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(m0), s.ToVreg(s[1]->InputAt(1)));
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32MulHigh) {
|
|
StreamBuilder m(this, kMachInt32, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const n = m.Int32MulHigh(p0, p1);
|
|
m.Return(n);
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64ImulHigh32, s[0]->arch_opcode());
|
|
ASSERT_EQ(2U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_TRUE(s.IsFixed(s[0]->InputAt(0), rax));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
EXPECT_TRUE(!s.IsUsedAtStart(s[0]->InputAt(1)));
|
|
ASSERT_LE(1U, s[0]->OutputCount());
|
|
EXPECT_EQ(s.ToVreg(n), s.ToVreg(s[0]->Output()));
|
|
EXPECT_TRUE(s.IsFixed(s[0]->OutputAt(0), rdx));
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Uint32MulHigh) {
|
|
StreamBuilder m(this, kMachUint32, kMachUint32, kMachUint32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const p1 = m.Parameter(1);
|
|
Node* const n = m.Uint32MulHigh(p0, p1);
|
|
m.Return(n);
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64UmulHigh32, s[0]->arch_opcode());
|
|
ASSERT_EQ(2U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_TRUE(s.IsFixed(s[0]->InputAt(0), rax));
|
|
EXPECT_EQ(s.ToVreg(p1), s.ToVreg(s[0]->InputAt(1)));
|
|
EXPECT_TRUE(!s.IsUsedAtStart(s[0]->InputAt(1)));
|
|
ASSERT_LE(1U, s[0]->OutputCount());
|
|
EXPECT_EQ(s.ToVreg(n), s.ToVreg(s[0]->Output()));
|
|
EXPECT_TRUE(s.IsFixed(s[0]->OutputAt(0), rdx));
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32Mul2BecomesLea) {
|
|
StreamBuilder m(this, kMachUint32, kMachUint32, kMachUint32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const c1 = m.Int32Constant(2);
|
|
Node* const n = m.Int32Mul(p0, c1);
|
|
m.Return(n);
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR1, s[0]->addressing_mode());
|
|
ASSERT_EQ(2U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(1)));
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32Mul3BecomesLea) {
|
|
StreamBuilder m(this, kMachUint32, kMachUint32, kMachUint32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const c1 = m.Int32Constant(3);
|
|
Node* const n = m.Int32Mul(p0, c1);
|
|
m.Return(n);
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR2, s[0]->addressing_mode());
|
|
ASSERT_EQ(2U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(1)));
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32Mul4BecomesLea) {
|
|
StreamBuilder m(this, kMachUint32, kMachUint32, kMachUint32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const c1 = m.Int32Constant(4);
|
|
Node* const n = m.Int32Mul(p0, c1);
|
|
m.Return(n);
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_M4, s[0]->addressing_mode());
|
|
ASSERT_EQ(1U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32Mul5BecomesLea) {
|
|
StreamBuilder m(this, kMachUint32, kMachUint32, kMachUint32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const c1 = m.Int32Constant(5);
|
|
Node* const n = m.Int32Mul(p0, c1);
|
|
m.Return(n);
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR4, s[0]->addressing_mode());
|
|
ASSERT_EQ(2U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(1)));
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32Mul8BecomesLea) {
|
|
StreamBuilder m(this, kMachUint32, kMachUint32, kMachUint32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const c1 = m.Int32Constant(8);
|
|
Node* const n = m.Int32Mul(p0, c1);
|
|
m.Return(n);
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_M8, s[0]->addressing_mode());
|
|
ASSERT_EQ(1U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32Mul9BecomesLea) {
|
|
StreamBuilder m(this, kMachUint32, kMachUint32, kMachUint32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const c1 = m.Int32Constant(9);
|
|
Node* const n = m.Int32Mul(p0, c1);
|
|
m.Return(n);
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR8, s[0]->addressing_mode());
|
|
ASSERT_EQ(2U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(1)));
|
|
}
|
|
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// Word32Shl.
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32Shl1BecomesLea) {
|
|
StreamBuilder m(this, kMachUint32, kMachUint32, kMachUint32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const c1 = m.Int32Constant(1);
|
|
Node* const n = m.Word32Shl(p0, c1);
|
|
m.Return(n);
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_MR1, s[0]->addressing_mode());
|
|
ASSERT_EQ(2U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(1)));
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32Shl2BecomesLea) {
|
|
StreamBuilder m(this, kMachUint32, kMachUint32, kMachUint32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const c1 = m.Int32Constant(2);
|
|
Node* const n = m.Word32Shl(p0, c1);
|
|
m.Return(n);
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_M4, s[0]->addressing_mode());
|
|
ASSERT_EQ(1U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Int32Shl4BecomesLea) {
|
|
StreamBuilder m(this, kMachUint32, kMachUint32, kMachUint32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const c1 = m.Int32Constant(3);
|
|
Node* const n = m.Word32Shl(p0, c1);
|
|
m.Return(n);
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Lea32, s[0]->arch_opcode());
|
|
EXPECT_EQ(kMode_M8, s[0]->addressing_mode());
|
|
ASSERT_EQ(1U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
}
|
|
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// Floating point operations.
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Float64BinopArithmetic) {
|
|
{
|
|
StreamBuilder m(this, kMachFloat64, kMachFloat64, kMachFloat64);
|
|
Node* add = m.Float64Add(m.Parameter(0), m.Parameter(1));
|
|
Node* mul = m.Float64Mul(add, m.Parameter(1));
|
|
Node* sub = m.Float64Sub(mul, add);
|
|
Node* ret = m.Float64Div(mul, sub);
|
|
m.Return(ret);
|
|
Stream s = m.Build(AVX);
|
|
ASSERT_EQ(4U, s.size());
|
|
EXPECT_EQ(kAVXFloat64Add, s[0]->arch_opcode());
|
|
EXPECT_EQ(kAVXFloat64Mul, s[1]->arch_opcode());
|
|
EXPECT_EQ(kAVXFloat64Sub, s[2]->arch_opcode());
|
|
EXPECT_EQ(kAVXFloat64Div, s[3]->arch_opcode());
|
|
}
|
|
{
|
|
StreamBuilder m(this, kMachFloat64, kMachFloat64, kMachFloat64);
|
|
Node* add = m.Float64Add(m.Parameter(0), m.Parameter(1));
|
|
Node* mul = m.Float64Mul(add, m.Parameter(1));
|
|
Node* sub = m.Float64Sub(mul, add);
|
|
Node* ret = m.Float64Div(mul, sub);
|
|
m.Return(ret);
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(4U, s.size());
|
|
EXPECT_EQ(kSSEFloat64Add, s[0]->arch_opcode());
|
|
EXPECT_EQ(kSSEFloat64Mul, s[1]->arch_opcode());
|
|
EXPECT_EQ(kSSEFloat64Sub, s[2]->arch_opcode());
|
|
EXPECT_EQ(kSSEFloat64Div, s[3]->arch_opcode());
|
|
}
|
|
}
|
|
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// Miscellaneous.
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Uint64LessThanWithLoadAndLoadStackPointer) {
|
|
StreamBuilder m(this, kMachBool);
|
|
Node* const sl = m.Load(
|
|
kMachPtr,
|
|
m.ExternalConstant(ExternalReference::address_of_stack_limit(isolate())));
|
|
Node* const sp = m.LoadStackPointer();
|
|
Node* const n = m.Uint64LessThan(sl, sp);
|
|
m.Return(n);
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64StackCheck, s[0]->arch_opcode());
|
|
ASSERT_EQ(0U, s[0]->InputCount());
|
|
ASSERT_EQ(1U, s[0]->OutputCount());
|
|
EXPECT_EQ(s.ToVreg(n), s.ToVreg(s[0]->Output()));
|
|
EXPECT_EQ(kFlags_set, s[0]->flags_mode());
|
|
EXPECT_EQ(kUnsignedGreaterThan, s[0]->flags_condition());
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Word64ShlWithChangeInt32ToInt64) {
|
|
TRACED_FORRANGE(int64_t, x, 32, 63) {
|
|
StreamBuilder m(this, kMachInt64, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const n = m.Word64Shl(m.ChangeInt32ToInt64(p0), m.Int64Constant(x));
|
|
m.Return(n);
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Shl, s[0]->arch_opcode());
|
|
ASSERT_EQ(2U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(x, s.ToInt32(s[0]->InputAt(1)));
|
|
ASSERT_EQ(1U, s[0]->OutputCount());
|
|
EXPECT_TRUE(s.IsSameAsFirst(s[0]->Output()));
|
|
EXPECT_EQ(s.ToVreg(n), s.ToVreg(s[0]->Output()));
|
|
}
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Word64ShlWithChangeUint32ToUint64) {
|
|
TRACED_FORRANGE(int64_t, x, 32, 63) {
|
|
StreamBuilder m(this, kMachInt64, kMachUint32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const n = m.Word64Shl(m.ChangeUint32ToUint64(p0), m.Int64Constant(x));
|
|
m.Return(n);
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Shl, s[0]->arch_opcode());
|
|
ASSERT_EQ(2U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
EXPECT_EQ(x, s.ToInt32(s[0]->InputAt(1)));
|
|
ASSERT_EQ(1U, s[0]->OutputCount());
|
|
EXPECT_TRUE(s.IsSameAsFirst(s[0]->Output()));
|
|
EXPECT_EQ(s.ToVreg(n), s.ToVreg(s[0]->Output()));
|
|
}
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Word32AndWith0xff) {
|
|
{
|
|
StreamBuilder m(this, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const n = m.Word32And(p0, m.Int32Constant(0xff));
|
|
m.Return(n);
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Movzxbl, s[0]->arch_opcode());
|
|
ASSERT_EQ(1U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
ASSERT_EQ(1U, s[0]->OutputCount());
|
|
EXPECT_EQ(s.ToVreg(n), s.ToVreg(s[0]->Output()));
|
|
}
|
|
{
|
|
StreamBuilder m(this, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const n = m.Word32And(m.Int32Constant(0xff), p0);
|
|
m.Return(n);
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Movzxbl, s[0]->arch_opcode());
|
|
ASSERT_EQ(1U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
ASSERT_EQ(1U, s[0]->OutputCount());
|
|
EXPECT_EQ(s.ToVreg(n), s.ToVreg(s[0]->Output()));
|
|
}
|
|
}
|
|
|
|
|
|
TEST_F(InstructionSelectorTest, Word32AndWith0xffff) {
|
|
{
|
|
StreamBuilder m(this, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const n = m.Word32And(p0, m.Int32Constant(0xffff));
|
|
m.Return(n);
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Movzxwl, s[0]->arch_opcode());
|
|
ASSERT_EQ(1U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
ASSERT_EQ(1U, s[0]->OutputCount());
|
|
EXPECT_EQ(s.ToVreg(n), s.ToVreg(s[0]->Output()));
|
|
}
|
|
{
|
|
StreamBuilder m(this, kMachInt32, kMachInt32);
|
|
Node* const p0 = m.Parameter(0);
|
|
Node* const n = m.Word32And(m.Int32Constant(0xffff), p0);
|
|
m.Return(n);
|
|
Stream s = m.Build();
|
|
ASSERT_EQ(1U, s.size());
|
|
EXPECT_EQ(kX64Movzxwl, s[0]->arch_opcode());
|
|
ASSERT_EQ(1U, s[0]->InputCount());
|
|
EXPECT_EQ(s.ToVreg(p0), s.ToVreg(s[0]->InputAt(0)));
|
|
ASSERT_EQ(1U, s[0]->OutputCount());
|
|
EXPECT_EQ(s.ToVreg(n), s.ToVreg(s[0]->Output()));
|
|
}
|
|
}
|
|
|
|
} // namespace compiler
|
|
} // namespace internal
|
|
} // namespace v8
|