cddbe282c6
* Avoid "using namespace" statements, which trigger clang's -Wheader-hygiene warnings in jumbo builds. * Undefine created macros at the end of source files. BUG=chromium:746958 Change-Id: I5d25432c314437f607b0e1be22765a6764267ba6 Reviewed-on: https://chromium-review.googlesource.com/610962 Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> Commit-Queue: Mostyn Bramley-Moore <mostynb@opera.com> Cr-Commit-Position: refs/heads/master@{#47347}
1192 lines
39 KiB
C++
1192 lines
39 KiB
C++
// Copyright 2016 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 <cmath>
|
|
#include <functional>
|
|
#include <limits>
|
|
|
|
#include "src/base/bits.h"
|
|
#include "src/base/utils/random-number-generator.h"
|
|
#include "src/codegen.h"
|
|
#include "src/objects-inl.h"
|
|
#include "test/cctest/cctest.h"
|
|
#include "test/cctest/compiler/codegen-tester.h"
|
|
#include "test/cctest/compiler/graph-builder-tester.h"
|
|
#include "test/cctest/compiler/value-helper.h"
|
|
|
|
|
|
namespace {
|
|
template <typename Type>
|
|
void CheckOobValue(Type val) {
|
|
UNREACHABLE();
|
|
}
|
|
|
|
template <>
|
|
void CheckOobValue(int32_t val) {
|
|
CHECK_EQ(0, val);
|
|
}
|
|
|
|
template <>
|
|
void CheckOobValue(int64_t val) {
|
|
CHECK_EQ(0, val);
|
|
}
|
|
|
|
template <>
|
|
void CheckOobValue(float val) {
|
|
CHECK(std::isnan(val));
|
|
}
|
|
|
|
template <>
|
|
void CheckOobValue(double val) {
|
|
CHECK(std::isnan(val));
|
|
}
|
|
} // namespace
|
|
|
|
namespace v8 {
|
|
namespace internal {
|
|
namespace compiler {
|
|
|
|
enum TestAlignment {
|
|
kAligned,
|
|
kUnaligned,
|
|
};
|
|
|
|
// This is a America!
|
|
#define A_BILLION 1000000000ULL
|
|
#define A_GIG (1024ULL * 1024ULL * 1024ULL)
|
|
|
|
namespace {
|
|
void RunLoadInt32(const TestAlignment t) {
|
|
RawMachineAssemblerTester<int32_t> m;
|
|
|
|
int32_t p1 = 0; // loads directly from this location.
|
|
|
|
if (t == TestAlignment::kAligned) {
|
|
m.Return(m.LoadFromPointer(&p1, MachineType::Int32()));
|
|
} else if (t == TestAlignment::kUnaligned) {
|
|
m.Return(m.UnalignedLoadFromPointer(&p1, MachineType::Int32()));
|
|
} else {
|
|
UNREACHABLE();
|
|
}
|
|
|
|
FOR_INT32_INPUTS(i) {
|
|
p1 = *i;
|
|
CHECK_EQ(p1, m.Call());
|
|
}
|
|
}
|
|
|
|
void RunLoadInt32Offset(TestAlignment t) {
|
|
int32_t p1 = 0; // loads directly from this location.
|
|
|
|
int32_t offsets[] = {-2000000, -100, -101, 1, 3,
|
|
7, 120, 2000, 2000000000, 0xff};
|
|
|
|
for (size_t i = 0; i < arraysize(offsets); i++) {
|
|
RawMachineAssemblerTester<int32_t> m;
|
|
int32_t offset = offsets[i];
|
|
byte* pointer = reinterpret_cast<byte*>(&p1) - offset;
|
|
|
|
// generate load [#base + #index]
|
|
if (t == TestAlignment::kAligned) {
|
|
m.Return(m.LoadFromPointer(pointer, MachineType::Int32(), offset));
|
|
} else if (t == TestAlignment::kUnaligned) {
|
|
m.Return(
|
|
m.UnalignedLoadFromPointer(pointer, MachineType::Int32(), offset));
|
|
} else {
|
|
UNREACHABLE();
|
|
}
|
|
|
|
FOR_INT32_INPUTS(j) {
|
|
p1 = *j;
|
|
CHECK_EQ(p1, m.Call());
|
|
}
|
|
}
|
|
}
|
|
|
|
void RunLoadStoreFloat32Offset(TestAlignment t) {
|
|
float p1 = 0.0f; // loads directly from this location.
|
|
float p2 = 0.0f; // and stores directly into this location.
|
|
|
|
FOR_INT32_INPUTS(i) {
|
|
int32_t magic = 0x2342aabb + *i * 3;
|
|
RawMachineAssemblerTester<int32_t> m;
|
|
int32_t offset = *i;
|
|
byte* from = reinterpret_cast<byte*>(&p1) - offset;
|
|
byte* to = reinterpret_cast<byte*>(&p2) - offset;
|
|
// generate load [#base + #index]
|
|
if (t == TestAlignment::kAligned) {
|
|
Node* load = m.Load(MachineType::Float32(), m.PointerConstant(from),
|
|
m.IntPtrConstant(offset));
|
|
m.Store(MachineRepresentation::kFloat32, m.PointerConstant(to),
|
|
m.IntPtrConstant(offset), load, kNoWriteBarrier);
|
|
} else if (t == TestAlignment::kUnaligned) {
|
|
Node* load =
|
|
m.UnalignedLoad(MachineType::Float32(), m.PointerConstant(from),
|
|
m.IntPtrConstant(offset));
|
|
m.UnalignedStore(MachineRepresentation::kFloat32, m.PointerConstant(to),
|
|
m.IntPtrConstant(offset), load);
|
|
|
|
} else {
|
|
UNREACHABLE();
|
|
}
|
|
m.Return(m.Int32Constant(magic));
|
|
|
|
FOR_FLOAT32_INPUTS(j) {
|
|
p1 = *j;
|
|
p2 = *j - 5;
|
|
CHECK_EQ(magic, m.Call());
|
|
CheckDoubleEq(p1, p2);
|
|
}
|
|
}
|
|
}
|
|
|
|
void RunLoadStoreFloat64Offset(TestAlignment t) {
|
|
double p1 = 0; // loads directly from this location.
|
|
double p2 = 0; // and stores directly into this location.
|
|
|
|
FOR_INT32_INPUTS(i) {
|
|
int32_t magic = 0x2342aabb + *i * 3;
|
|
RawMachineAssemblerTester<int32_t> m;
|
|
int32_t offset = *i;
|
|
byte* from = reinterpret_cast<byte*>(&p1) - offset;
|
|
byte* to = reinterpret_cast<byte*>(&p2) - offset;
|
|
// generate load [#base + #index]
|
|
if (t == TestAlignment::kAligned) {
|
|
Node* load = m.Load(MachineType::Float64(), m.PointerConstant(from),
|
|
m.IntPtrConstant(offset));
|
|
m.Store(MachineRepresentation::kFloat64, m.PointerConstant(to),
|
|
m.IntPtrConstant(offset), load, kNoWriteBarrier);
|
|
} else if (t == TestAlignment::kUnaligned) {
|
|
Node* load =
|
|
m.UnalignedLoad(MachineType::Float64(), m.PointerConstant(from),
|
|
m.IntPtrConstant(offset));
|
|
m.UnalignedStore(MachineRepresentation::kFloat64, m.PointerConstant(to),
|
|
m.IntPtrConstant(offset), load);
|
|
} else {
|
|
UNREACHABLE();
|
|
}
|
|
m.Return(m.Int32Constant(magic));
|
|
|
|
FOR_FLOAT64_INPUTS(j) {
|
|
p1 = *j;
|
|
p2 = *j - 5;
|
|
CHECK_EQ(magic, m.Call());
|
|
CheckDoubleEq(p1, p2);
|
|
}
|
|
}
|
|
}
|
|
} // namespace
|
|
|
|
TEST(RunLoadInt32) { RunLoadInt32(TestAlignment::kAligned); }
|
|
|
|
TEST(RunUnalignedLoadInt32) { RunLoadInt32(TestAlignment::kUnaligned); }
|
|
|
|
TEST(RunLoadInt32Offset) { RunLoadInt32Offset(TestAlignment::kAligned); }
|
|
|
|
TEST(RunUnalignedLoadInt32Offset) {
|
|
RunLoadInt32Offset(TestAlignment::kUnaligned);
|
|
}
|
|
|
|
TEST(RunLoadStoreFloat32Offset) {
|
|
RunLoadStoreFloat32Offset(TestAlignment::kAligned);
|
|
}
|
|
|
|
TEST(RunUnalignedLoadStoreFloat32Offset) {
|
|
RunLoadStoreFloat32Offset(TestAlignment::kUnaligned);
|
|
}
|
|
|
|
TEST(RunLoadStoreFloat64Offset) {
|
|
RunLoadStoreFloat64Offset(TestAlignment::kAligned);
|
|
}
|
|
|
|
TEST(RunUnalignedLoadStoreFloat64Offset) {
|
|
RunLoadStoreFloat64Offset(TestAlignment::kUnaligned);
|
|
}
|
|
|
|
namespace {
|
|
template <typename Type>
|
|
void RunLoadImmIndex(MachineType rep, TestAlignment t) {
|
|
const int kNumElems = 3;
|
|
Type buffer[kNumElems];
|
|
|
|
// initialize the buffer with some raw data.
|
|
byte* raw = reinterpret_cast<byte*>(buffer);
|
|
for (size_t i = 0; i < sizeof(buffer); i++) {
|
|
raw[i] = static_cast<byte>((i + sizeof(buffer)) ^ 0xAA);
|
|
}
|
|
|
|
// Test with various large and small offsets.
|
|
for (int offset = -1; offset <= 200000; offset *= -5) {
|
|
for (int i = 0; i < kNumElems; i++) {
|
|
BufferedRawMachineAssemblerTester<Type> m;
|
|
Node* base = m.PointerConstant(buffer - offset);
|
|
Node* index = m.Int32Constant((offset + i) * sizeof(buffer[0]));
|
|
if (t == TestAlignment::kAligned) {
|
|
m.Return(m.Load(rep, base, index));
|
|
} else if (t == TestAlignment::kUnaligned) {
|
|
m.Return(m.UnalignedLoad(rep, base, index));
|
|
} else {
|
|
UNREACHABLE();
|
|
}
|
|
|
|
volatile Type expected = buffer[i];
|
|
volatile Type actual = m.Call();
|
|
CHECK_EQ(expected, actual);
|
|
}
|
|
}
|
|
}
|
|
|
|
template <typename CType>
|
|
void RunLoadStore(MachineType rep, TestAlignment t) {
|
|
const int kNumElems = 4;
|
|
CType buffer[kNumElems];
|
|
|
|
for (int32_t x = 0; x < kNumElems; x++) {
|
|
int32_t y = kNumElems - x - 1;
|
|
// initialize the buffer with raw data.
|
|
byte* raw = reinterpret_cast<byte*>(buffer);
|
|
for (size_t i = 0; i < sizeof(buffer); i++) {
|
|
raw[i] = static_cast<byte>((i + sizeof(buffer)) ^ 0xAA);
|
|
}
|
|
|
|
RawMachineAssemblerTester<int32_t> m;
|
|
int32_t OK = 0x29000 + x;
|
|
Node* base = m.PointerConstant(buffer);
|
|
Node* index0 = m.IntPtrConstant(x * sizeof(buffer[0]));
|
|
Node* index1 = m.IntPtrConstant(y * sizeof(buffer[0]));
|
|
if (t == TestAlignment::kAligned) {
|
|
Node* load = m.Load(rep, base, index0);
|
|
m.Store(rep.representation(), base, index1, load, kNoWriteBarrier);
|
|
} else if (t == TestAlignment::kUnaligned) {
|
|
Node* load = m.UnalignedLoad(rep, base, index0);
|
|
m.UnalignedStore(rep.representation(), base, index1, load);
|
|
}
|
|
|
|
m.Return(m.Int32Constant(OK));
|
|
|
|
CHECK(buffer[x] != buffer[y]);
|
|
CHECK_EQ(OK, m.Call());
|
|
CHECK(buffer[x] == buffer[y]);
|
|
}
|
|
}
|
|
|
|
template <typename CType>
|
|
void RunUnalignedLoadStoreUnalignedAccess(MachineType rep) {
|
|
CType in, out;
|
|
CType in_buffer[2];
|
|
CType out_buffer[2];
|
|
byte* raw;
|
|
|
|
for (int x = 0; x < static_cast<int>(sizeof(CType)); x++) {
|
|
int y = sizeof(CType) - x;
|
|
|
|
raw = reinterpret_cast<byte*>(&in);
|
|
for (size_t i = 0; i < sizeof(CType); i++) {
|
|
raw[i] = static_cast<byte>((i + sizeof(CType)) ^ 0xAA);
|
|
}
|
|
|
|
raw = reinterpret_cast<byte*>(in_buffer);
|
|
MemCopy(raw + x, &in, sizeof(CType));
|
|
|
|
RawMachineAssemblerTester<int32_t> m;
|
|
int32_t OK = 0x29000 + x;
|
|
|
|
Node* base0 = m.PointerConstant(in_buffer);
|
|
Node* base1 = m.PointerConstant(out_buffer);
|
|
Node* index0 = m.IntPtrConstant(x);
|
|
Node* index1 = m.IntPtrConstant(y);
|
|
Node* load = m.UnalignedLoad(rep, base0, index0);
|
|
m.UnalignedStore(rep.representation(), base1, index1, load);
|
|
|
|
m.Return(m.Int32Constant(OK));
|
|
|
|
CHECK_EQ(OK, m.Call());
|
|
|
|
raw = reinterpret_cast<byte*>(&out_buffer);
|
|
MemCopy(&out, raw + y, sizeof(CType));
|
|
CHECK(in == out);
|
|
}
|
|
}
|
|
} // namespace
|
|
|
|
TEST(RunLoadImmIndex) {
|
|
RunLoadImmIndex<int8_t>(MachineType::Int8(), TestAlignment::kAligned);
|
|
RunLoadImmIndex<uint8_t>(MachineType::Uint8(), TestAlignment::kAligned);
|
|
RunLoadImmIndex<int16_t>(MachineType::Int16(), TestAlignment::kAligned);
|
|
RunLoadImmIndex<uint16_t>(MachineType::Uint16(), TestAlignment::kAligned);
|
|
RunLoadImmIndex<int32_t>(MachineType::Int32(), TestAlignment::kAligned);
|
|
RunLoadImmIndex<uint32_t>(MachineType::Uint32(), TestAlignment::kAligned);
|
|
RunLoadImmIndex<int32_t*>(MachineType::AnyTagged(), TestAlignment::kAligned);
|
|
RunLoadImmIndex<float>(MachineType::Float32(), TestAlignment::kAligned);
|
|
RunLoadImmIndex<double>(MachineType::Float64(), TestAlignment::kAligned);
|
|
#if V8_TARGET_ARCH_64_BIT
|
|
RunLoadImmIndex<int64_t>(MachineType::Int64(), TestAlignment::kAligned);
|
|
#endif
|
|
// TODO(titzer): test various indexing modes.
|
|
}
|
|
|
|
TEST(RunUnalignedLoadImmIndex) {
|
|
RunLoadImmIndex<int16_t>(MachineType::Int16(), TestAlignment::kUnaligned);
|
|
RunLoadImmIndex<uint16_t>(MachineType::Uint16(), TestAlignment::kUnaligned);
|
|
RunLoadImmIndex<int32_t>(MachineType::Int32(), TestAlignment::kUnaligned);
|
|
RunLoadImmIndex<uint32_t>(MachineType::Uint32(), TestAlignment::kUnaligned);
|
|
RunLoadImmIndex<int32_t*>(MachineType::AnyTagged(),
|
|
TestAlignment::kUnaligned);
|
|
RunLoadImmIndex<float>(MachineType::Float32(), TestAlignment::kUnaligned);
|
|
RunLoadImmIndex<double>(MachineType::Float64(), TestAlignment::kUnaligned);
|
|
#if V8_TARGET_ARCH_64_BIT
|
|
RunLoadImmIndex<int64_t>(MachineType::Int64(), TestAlignment::kUnaligned);
|
|
#endif
|
|
// TODO(titzer): test various indexing modes.
|
|
}
|
|
|
|
TEST(RunLoadStore) {
|
|
RunLoadStore<int8_t>(MachineType::Int8(), TestAlignment::kAligned);
|
|
RunLoadStore<uint8_t>(MachineType::Uint8(), TestAlignment::kAligned);
|
|
RunLoadStore<int16_t>(MachineType::Int16(), TestAlignment::kAligned);
|
|
RunLoadStore<uint16_t>(MachineType::Uint16(), TestAlignment::kAligned);
|
|
RunLoadStore<int32_t>(MachineType::Int32(), TestAlignment::kAligned);
|
|
RunLoadStore<uint32_t>(MachineType::Uint32(), TestAlignment::kAligned);
|
|
RunLoadStore<void*>(MachineType::AnyTagged(), TestAlignment::kAligned);
|
|
RunLoadStore<float>(MachineType::Float32(), TestAlignment::kAligned);
|
|
RunLoadStore<double>(MachineType::Float64(), TestAlignment::kAligned);
|
|
#if V8_TARGET_ARCH_64_BIT
|
|
RunLoadStore<int64_t>(MachineType::Int64(), TestAlignment::kAligned);
|
|
#endif
|
|
}
|
|
|
|
TEST(RunUnalignedLoadStore) {
|
|
RunLoadStore<int16_t>(MachineType::Int16(), TestAlignment::kUnaligned);
|
|
RunLoadStore<uint16_t>(MachineType::Uint16(), TestAlignment::kUnaligned);
|
|
RunLoadStore<int32_t>(MachineType::Int32(), TestAlignment::kUnaligned);
|
|
RunLoadStore<uint32_t>(MachineType::Uint32(), TestAlignment::kUnaligned);
|
|
RunLoadStore<void*>(MachineType::AnyTagged(), TestAlignment::kUnaligned);
|
|
RunLoadStore<float>(MachineType::Float32(), TestAlignment::kUnaligned);
|
|
RunLoadStore<double>(MachineType::Float64(), TestAlignment::kUnaligned);
|
|
#if V8_TARGET_ARCH_64_BIT
|
|
RunLoadStore<int64_t>(MachineType::Int64(), TestAlignment::kUnaligned);
|
|
#endif
|
|
}
|
|
|
|
TEST(RunUnalignedLoadStoreUnalignedAccess) {
|
|
RunUnalignedLoadStoreUnalignedAccess<int16_t>(MachineType::Int16());
|
|
RunUnalignedLoadStoreUnalignedAccess<uint16_t>(MachineType::Uint16());
|
|
RunUnalignedLoadStoreUnalignedAccess<int32_t>(MachineType::Int32());
|
|
RunUnalignedLoadStoreUnalignedAccess<uint32_t>(MachineType::Uint32());
|
|
RunUnalignedLoadStoreUnalignedAccess<void*>(MachineType::AnyTagged());
|
|
RunUnalignedLoadStoreUnalignedAccess<float>(MachineType::Float32());
|
|
RunUnalignedLoadStoreUnalignedAccess<double>(MachineType::Float64());
|
|
#if V8_TARGET_ARCH_64_BIT
|
|
RunUnalignedLoadStoreUnalignedAccess<int64_t>(MachineType::Int64());
|
|
#endif
|
|
}
|
|
|
|
#if V8_TARGET_LITTLE_ENDIAN
|
|
#define LSB(addr, bytes) addr
|
|
#elif V8_TARGET_BIG_ENDIAN
|
|
#define LSB(addr, bytes) reinterpret_cast<byte*>(addr + 1) - bytes
|
|
#else
|
|
#error "Unknown Architecture"
|
|
#endif
|
|
|
|
namespace {
|
|
void RunLoadStoreSignExtend32(TestAlignment t) {
|
|
int32_t buffer[4];
|
|
RawMachineAssemblerTester<int32_t> m;
|
|
Node* load8 = m.LoadFromPointer(LSB(&buffer[0], 1), MachineType::Int8());
|
|
if (t == TestAlignment::kAligned) {
|
|
Node* load16 = m.LoadFromPointer(LSB(&buffer[0], 2), MachineType::Int16());
|
|
Node* load32 = m.LoadFromPointer(&buffer[0], MachineType::Int32());
|
|
m.StoreToPointer(&buffer[1], MachineRepresentation::kWord32, load8);
|
|
m.StoreToPointer(&buffer[2], MachineRepresentation::kWord32, load16);
|
|
m.StoreToPointer(&buffer[3], MachineRepresentation::kWord32, load32);
|
|
} else if (t == TestAlignment::kUnaligned) {
|
|
Node* load16 =
|
|
m.UnalignedLoadFromPointer(LSB(&buffer[0], 2), MachineType::Int16());
|
|
Node* load32 = m.UnalignedLoadFromPointer(&buffer[0], MachineType::Int32());
|
|
m.StoreToPointer(&buffer[1], MachineRepresentation::kWord32, load8);
|
|
m.UnalignedStoreToPointer(&buffer[2], MachineRepresentation::kWord32,
|
|
load16);
|
|
m.UnalignedStoreToPointer(&buffer[3], MachineRepresentation::kWord32,
|
|
load32);
|
|
} else {
|
|
UNREACHABLE();
|
|
}
|
|
m.Return(load8);
|
|
|
|
FOR_INT32_INPUTS(i) {
|
|
buffer[0] = *i;
|
|
|
|
CHECK_EQ(static_cast<int8_t>(*i & 0xff), m.Call());
|
|
CHECK_EQ(static_cast<int8_t>(*i & 0xff), buffer[1]);
|
|
CHECK_EQ(static_cast<int16_t>(*i & 0xffff), buffer[2]);
|
|
CHECK_EQ(*i, buffer[3]);
|
|
}
|
|
}
|
|
|
|
void RunLoadStoreZeroExtend32(TestAlignment t) {
|
|
uint32_t buffer[4];
|
|
RawMachineAssemblerTester<uint32_t> m;
|
|
Node* load8 = m.LoadFromPointer(LSB(&buffer[0], 1), MachineType::Uint8());
|
|
if (t == TestAlignment::kAligned) {
|
|
Node* load16 = m.LoadFromPointer(LSB(&buffer[0], 2), MachineType::Uint16());
|
|
Node* load32 = m.LoadFromPointer(&buffer[0], MachineType::Uint32());
|
|
m.StoreToPointer(&buffer[1], MachineRepresentation::kWord32, load8);
|
|
m.StoreToPointer(&buffer[2], MachineRepresentation::kWord32, load16);
|
|
m.StoreToPointer(&buffer[3], MachineRepresentation::kWord32, load32);
|
|
} else if (t == TestAlignment::kUnaligned) {
|
|
Node* load16 =
|
|
m.UnalignedLoadFromPointer(LSB(&buffer[0], 2), MachineType::Uint16());
|
|
Node* load32 =
|
|
m.UnalignedLoadFromPointer(&buffer[0], MachineType::Uint32());
|
|
m.StoreToPointer(&buffer[1], MachineRepresentation::kWord32, load8);
|
|
m.UnalignedStoreToPointer(&buffer[2], MachineRepresentation::kWord32,
|
|
load16);
|
|
m.UnalignedStoreToPointer(&buffer[3], MachineRepresentation::kWord32,
|
|
load32);
|
|
}
|
|
m.Return(load8);
|
|
|
|
FOR_UINT32_INPUTS(i) {
|
|
buffer[0] = *i;
|
|
|
|
CHECK_EQ((*i & 0xff), m.Call());
|
|
CHECK_EQ((*i & 0xff), buffer[1]);
|
|
CHECK_EQ((*i & 0xffff), buffer[2]);
|
|
CHECK_EQ(*i, buffer[3]);
|
|
}
|
|
}
|
|
} // namespace
|
|
|
|
TEST(RunLoadStoreSignExtend32) {
|
|
RunLoadStoreSignExtend32(TestAlignment::kAligned);
|
|
}
|
|
|
|
TEST(RunUnalignedLoadStoreSignExtend32) {
|
|
RunLoadStoreSignExtend32(TestAlignment::kUnaligned);
|
|
}
|
|
|
|
TEST(RunLoadStoreZeroExtend32) {
|
|
RunLoadStoreZeroExtend32(TestAlignment::kAligned);
|
|
}
|
|
|
|
TEST(RunUnalignedLoadStoreZeroExtend32) {
|
|
RunLoadStoreZeroExtend32(TestAlignment::kUnaligned);
|
|
}
|
|
|
|
#if V8_TARGET_ARCH_64_BIT
|
|
|
|
namespace {
|
|
void RunLoadStoreSignExtend64(TestAlignment t) {
|
|
if (true) return; // TODO(titzer): sign extension of loads to 64-bit.
|
|
int64_t buffer[5];
|
|
RawMachineAssemblerTester<int64_t> m;
|
|
Node* load8 = m.LoadFromPointer(LSB(&buffer[0], 1), MachineType::Int8());
|
|
if (t == TestAlignment::kAligned) {
|
|
Node* load16 = m.LoadFromPointer(LSB(&buffer[0], 2), MachineType::Int16());
|
|
Node* load32 = m.LoadFromPointer(LSB(&buffer[0], 4), MachineType::Int32());
|
|
Node* load64 = m.LoadFromPointer(&buffer[0], MachineType::Int64());
|
|
m.StoreToPointer(&buffer[1], MachineRepresentation::kWord64, load8);
|
|
m.StoreToPointer(&buffer[2], MachineRepresentation::kWord64, load16);
|
|
m.StoreToPointer(&buffer[3], MachineRepresentation::kWord64, load32);
|
|
m.StoreToPointer(&buffer[4], MachineRepresentation::kWord64, load64);
|
|
} else if (t == TestAlignment::kUnaligned) {
|
|
Node* load16 =
|
|
m.UnalignedLoadFromPointer(LSB(&buffer[0], 2), MachineType::Int16());
|
|
Node* load32 =
|
|
m.UnalignedLoadFromPointer(LSB(&buffer[0], 4), MachineType::Int32());
|
|
Node* load64 = m.UnalignedLoadFromPointer(&buffer[0], MachineType::Int64());
|
|
m.StoreToPointer(&buffer[1], MachineRepresentation::kWord64, load8);
|
|
m.UnalignedStoreToPointer(&buffer[2], MachineRepresentation::kWord64,
|
|
load16);
|
|
m.UnalignedStoreToPointer(&buffer[3], MachineRepresentation::kWord64,
|
|
load32);
|
|
m.UnalignedStoreToPointer(&buffer[4], MachineRepresentation::kWord64,
|
|
load64);
|
|
} else {
|
|
UNREACHABLE();
|
|
}
|
|
m.Return(load8);
|
|
|
|
FOR_INT64_INPUTS(i) {
|
|
buffer[0] = *i;
|
|
|
|
CHECK_EQ(static_cast<int8_t>(*i & 0xff), m.Call());
|
|
CHECK_EQ(static_cast<int8_t>(*i & 0xff), buffer[1]);
|
|
CHECK_EQ(static_cast<int16_t>(*i & 0xffff), buffer[2]);
|
|
CHECK_EQ(static_cast<int32_t>(*i & 0xffffffff), buffer[3]);
|
|
CHECK_EQ(*i, buffer[4]);
|
|
}
|
|
}
|
|
|
|
void RunLoadStoreZeroExtend64(TestAlignment t) {
|
|
if (kPointerSize < 8) return;
|
|
uint64_t buffer[5];
|
|
RawMachineAssemblerTester<uint64_t> m;
|
|
Node* load8 = m.LoadFromPointer(LSB(&buffer[0], 1), MachineType::Uint8());
|
|
if (t == TestAlignment::kAligned) {
|
|
Node* load16 = m.LoadFromPointer(LSB(&buffer[0], 2), MachineType::Uint16());
|
|
Node* load32 = m.LoadFromPointer(LSB(&buffer[0], 4), MachineType::Uint32());
|
|
Node* load64 = m.LoadFromPointer(&buffer[0], MachineType::Uint64());
|
|
m.StoreToPointer(&buffer[1], MachineRepresentation::kWord64, load8);
|
|
m.StoreToPointer(&buffer[2], MachineRepresentation::kWord64, load16);
|
|
m.StoreToPointer(&buffer[3], MachineRepresentation::kWord64, load32);
|
|
m.StoreToPointer(&buffer[4], MachineRepresentation::kWord64, load64);
|
|
} else if (t == TestAlignment::kUnaligned) {
|
|
Node* load16 =
|
|
m.UnalignedLoadFromPointer(LSB(&buffer[0], 2), MachineType::Uint16());
|
|
Node* load32 =
|
|
m.UnalignedLoadFromPointer(LSB(&buffer[0], 4), MachineType::Uint32());
|
|
Node* load64 =
|
|
m.UnalignedLoadFromPointer(&buffer[0], MachineType::Uint64());
|
|
m.StoreToPointer(&buffer[1], MachineRepresentation::kWord64, load8);
|
|
m.UnalignedStoreToPointer(&buffer[2], MachineRepresentation::kWord64,
|
|
load16);
|
|
m.UnalignedStoreToPointer(&buffer[3], MachineRepresentation::kWord64,
|
|
load32);
|
|
m.UnalignedStoreToPointer(&buffer[4], MachineRepresentation::kWord64,
|
|
load64);
|
|
} else {
|
|
UNREACHABLE();
|
|
}
|
|
m.Return(load8);
|
|
|
|
FOR_UINT64_INPUTS(i) {
|
|
buffer[0] = *i;
|
|
|
|
CHECK_EQ((*i & 0xff), m.Call());
|
|
CHECK_EQ((*i & 0xff), buffer[1]);
|
|
CHECK_EQ((*i & 0xffff), buffer[2]);
|
|
CHECK_EQ((*i & 0xffffffff), buffer[3]);
|
|
CHECK_EQ(*i, buffer[4]);
|
|
}
|
|
}
|
|
|
|
} // namespace
|
|
|
|
TEST(RunCheckedLoadInt64) {
|
|
int64_t buffer[] = {0x66bbccddeeff0011LL, 0x1122334455667788LL};
|
|
RawMachineAssemblerTester<int64_t> m(MachineType::Int32());
|
|
Node* base = m.PointerConstant(buffer);
|
|
Node* index = m.Parameter(0);
|
|
Node* length = m.Int32Constant(16);
|
|
Node* load = m.AddNode(m.machine()->CheckedLoad(MachineType::Int64()), base,
|
|
index, length);
|
|
m.Return(load);
|
|
|
|
CHECK_EQ(buffer[0], m.Call(0));
|
|
CHECK_EQ(buffer[1], m.Call(8));
|
|
CheckOobValue(m.Call(16));
|
|
}
|
|
|
|
TEST(RunLoadStoreSignExtend64) {
|
|
RunLoadStoreSignExtend64(TestAlignment::kAligned);
|
|
}
|
|
|
|
TEST(RunUnalignedLoadStoreSignExtend64) {
|
|
RunLoadStoreSignExtend64(TestAlignment::kUnaligned);
|
|
}
|
|
|
|
TEST(RunLoadStoreZeroExtend64) {
|
|
RunLoadStoreZeroExtend64(TestAlignment::kAligned);
|
|
}
|
|
|
|
TEST(RunUnalignedLoadStoreZeroExtend64) {
|
|
RunLoadStoreZeroExtend64(TestAlignment::kUnaligned);
|
|
}
|
|
|
|
TEST(RunCheckedStoreInt64) {
|
|
const int64_t write = 0x5566778899aabbLL;
|
|
const int64_t before = 0x33bbccddeeff0011LL;
|
|
int64_t buffer[] = {before, before};
|
|
RawMachineAssemblerTester<int32_t> m(MachineType::Int32());
|
|
Node* base = m.PointerConstant(buffer);
|
|
Node* index = m.Parameter(0);
|
|
Node* length = m.Int32Constant(16);
|
|
Node* value = m.Int64Constant(write);
|
|
Node* store =
|
|
m.AddNode(m.machine()->CheckedStore(MachineRepresentation::kWord64), base,
|
|
index, length, value);
|
|
USE(store);
|
|
m.Return(m.Int32Constant(11));
|
|
|
|
CHECK_EQ(11, m.Call(16));
|
|
CHECK_EQ(before, buffer[0]);
|
|
CHECK_EQ(before, buffer[1]);
|
|
|
|
CHECK_EQ(11, m.Call(0));
|
|
CHECK_EQ(write, buffer[0]);
|
|
CHECK_EQ(before, buffer[1]);
|
|
|
|
CHECK_EQ(11, m.Call(8));
|
|
CHECK_EQ(write, buffer[0]);
|
|
CHECK_EQ(write, buffer[1]);
|
|
}
|
|
#endif
|
|
|
|
namespace {
|
|
template <typename IntType>
|
|
void LoadStoreTruncation(MachineType kRepresentation, TestAlignment t) {
|
|
IntType input;
|
|
|
|
RawMachineAssemblerTester<int32_t> m;
|
|
Node* ap1;
|
|
if (t == TestAlignment::kAligned) {
|
|
Node* a = m.LoadFromPointer(&input, kRepresentation);
|
|
ap1 = m.Int32Add(a, m.Int32Constant(1));
|
|
m.StoreToPointer(&input, kRepresentation.representation(), ap1);
|
|
} else if (t == TestAlignment::kUnaligned) {
|
|
Node* a = m.UnalignedLoadFromPointer(&input, kRepresentation);
|
|
ap1 = m.Int32Add(a, m.Int32Constant(1));
|
|
m.UnalignedStoreToPointer(&input, kRepresentation.representation(), ap1);
|
|
} else {
|
|
UNREACHABLE();
|
|
}
|
|
m.Return(ap1);
|
|
|
|
const IntType max = std::numeric_limits<IntType>::max();
|
|
const IntType min = std::numeric_limits<IntType>::min();
|
|
|
|
// Test upper bound.
|
|
input = max;
|
|
CHECK_EQ(max + 1, m.Call());
|
|
CHECK_EQ(min, input);
|
|
|
|
// Test lower bound.
|
|
input = min;
|
|
CHECK_EQ(static_cast<IntType>(max + 2), m.Call());
|
|
CHECK_EQ(min + 1, input);
|
|
|
|
// Test all one byte values that are not one byte bounds.
|
|
for (int i = -127; i < 127; i++) {
|
|
input = i;
|
|
int expected = i >= 0 ? i + 1 : max + (i - min) + 2;
|
|
CHECK_EQ(static_cast<IntType>(expected), m.Call());
|
|
CHECK_EQ(static_cast<IntType>(i + 1), input);
|
|
}
|
|
}
|
|
} // namespace
|
|
|
|
TEST(RunLoadStoreTruncation) {
|
|
LoadStoreTruncation<int8_t>(MachineType::Int8(), TestAlignment::kAligned);
|
|
LoadStoreTruncation<int16_t>(MachineType::Int16(), TestAlignment::kAligned);
|
|
}
|
|
|
|
TEST(RunUnalignedLoadStoreTruncation) {
|
|
LoadStoreTruncation<int16_t>(MachineType::Int16(), TestAlignment::kUnaligned);
|
|
}
|
|
|
|
void TestRunOobCheckedLoad(bool length_is_immediate) {
|
|
USE(CheckOobValue<int32_t>);
|
|
USE(CheckOobValue<int64_t>);
|
|
USE(CheckOobValue<float>);
|
|
USE(CheckOobValue<double>);
|
|
|
|
RawMachineAssemblerTester<int32_t> m(MachineType::Int32(),
|
|
MachineType::Int32());
|
|
MachineOperatorBuilder machine(m.zone());
|
|
const int32_t kNumElems = 27;
|
|
const int32_t kLength = kNumElems * 4;
|
|
|
|
int32_t buffer[kNumElems];
|
|
Node* base = m.PointerConstant(buffer);
|
|
Node* offset = m.Parameter(0);
|
|
Node* len = length_is_immediate ? m.Int32Constant(kLength) : m.Parameter(1);
|
|
Node* node =
|
|
m.AddNode(machine.CheckedLoad(MachineType::Int32()), base, offset, len);
|
|
m.Return(node);
|
|
|
|
{
|
|
// randomize memory.
|
|
v8::base::RandomNumberGenerator rng;
|
|
rng.SetSeed(100);
|
|
rng.NextBytes(&buffer[0], sizeof(buffer));
|
|
}
|
|
|
|
// in-bounds accesses.
|
|
for (int32_t i = 0; i < kNumElems; i++) {
|
|
int32_t offset = static_cast<int32_t>(i * sizeof(int32_t));
|
|
int32_t expected = buffer[i];
|
|
CHECK_EQ(expected, m.Call(offset, kLength));
|
|
}
|
|
|
|
// slightly out-of-bounds accesses.
|
|
for (int32_t i = kLength; i < kNumElems + 30; i++) {
|
|
int32_t offset = static_cast<int32_t>(i * sizeof(int32_t));
|
|
CheckOobValue(m.Call(offset, kLength));
|
|
}
|
|
|
|
// way out-of-bounds accesses.
|
|
for (int32_t offset = -2000000000; offset <= 2000000000;
|
|
offset += 100000000) {
|
|
if (offset == 0) continue;
|
|
CheckOobValue(m.Call(offset, kLength));
|
|
}
|
|
}
|
|
|
|
TEST(RunOobCheckedLoad) { TestRunOobCheckedLoad(false); }
|
|
|
|
TEST(RunOobCheckedLoadImm) { TestRunOobCheckedLoad(true); }
|
|
|
|
void TestRunOobCheckedStore(bool length_is_immediate) {
|
|
RawMachineAssemblerTester<int32_t> m(MachineType::Int32(),
|
|
MachineType::Int32());
|
|
MachineOperatorBuilder machine(m.zone());
|
|
const int32_t kNumElems = 29;
|
|
const int32_t kValue = -78227234;
|
|
const int32_t kLength = kNumElems * 4;
|
|
|
|
int32_t buffer[kNumElems + kNumElems];
|
|
Node* base = m.PointerConstant(buffer);
|
|
Node* offset = m.Parameter(0);
|
|
Node* len = length_is_immediate ? m.Int32Constant(kLength) : m.Parameter(1);
|
|
Node* val = m.Int32Constant(kValue);
|
|
m.AddNode(machine.CheckedStore(MachineRepresentation::kWord32), base, offset,
|
|
len, val);
|
|
m.Return(val);
|
|
|
|
// in-bounds accesses.
|
|
for (int32_t i = 0; i < kNumElems; i++) {
|
|
memset(buffer, 0, sizeof(buffer));
|
|
int32_t offset = static_cast<int32_t>(i * sizeof(int32_t));
|
|
CHECK_EQ(kValue, m.Call(offset, kLength));
|
|
for (int32_t j = 0; j < kNumElems + kNumElems; j++) {
|
|
if (i == j) {
|
|
CHECK_EQ(kValue, buffer[j]);
|
|
} else {
|
|
CHECK_EQ(0, buffer[j]);
|
|
}
|
|
}
|
|
}
|
|
|
|
memset(buffer, 0, sizeof(buffer));
|
|
|
|
// slightly out-of-bounds accesses.
|
|
for (int32_t i = kLength; i < kNumElems + 30; i++) {
|
|
int32_t offset = static_cast<int32_t>(i * sizeof(int32_t));
|
|
CHECK_EQ(kValue, m.Call(offset, kLength));
|
|
for (int32_t j = 0; j < kNumElems + kNumElems; j++) {
|
|
CHECK_EQ(0, buffer[j]);
|
|
}
|
|
}
|
|
|
|
// way out-of-bounds accesses.
|
|
for (int32_t offset = -2000000000; offset <= 2000000000;
|
|
offset += 100000000) {
|
|
if (offset == 0) continue;
|
|
CHECK_EQ(kValue, m.Call(offset, kLength));
|
|
for (int32_t j = 0; j < kNumElems + kNumElems; j++) {
|
|
CHECK_EQ(0, buffer[j]);
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST(RunOobCheckedStore) { TestRunOobCheckedStore(false); }
|
|
|
|
TEST(RunOobCheckedStoreImm) { TestRunOobCheckedStore(true); }
|
|
|
|
// TODO(titzer): CheckedLoad/CheckedStore don't support 64-bit offsets.
|
|
#define ALLOW_64_BIT_OFFSETS 0
|
|
|
|
#if V8_TARGET_ARCH_64_BIT && ALLOW_64_BIT_OFFSETS
|
|
|
|
void TestRunOobCheckedLoad64(uint32_t pseudo_base, bool length_is_immediate) {
|
|
RawMachineAssemblerTester<int32_t> m(MachineType::Uint64(),
|
|
MachineType::Uint64());
|
|
MachineOperatorBuilder machine(m.zone());
|
|
const uint32_t kNumElems = 25;
|
|
const uint32_t kLength = kNumElems * 4;
|
|
int32_t real_buffer[kNumElems];
|
|
|
|
// Simulate the end of a large buffer.
|
|
int32_t* buffer = real_buffer - (pseudo_base / 4);
|
|
uint64_t length = kLength + pseudo_base;
|
|
|
|
Node* base = m.PointerConstant(buffer);
|
|
Node* offset = m.Parameter(0);
|
|
Node* len = length_is_immediate ? m.Int64Constant(length) : m.Parameter(1);
|
|
Node* node =
|
|
m.AddNode(machine.CheckedLoad(MachineType::Int32()), base, offset, len);
|
|
m.Return(node);
|
|
|
|
{
|
|
// randomize memory.
|
|
v8::base::RandomNumberGenerator rng;
|
|
rng.SetSeed(100);
|
|
rng.NextBytes(&real_buffer[0], sizeof(real_buffer));
|
|
}
|
|
|
|
// in-bounds accesses.
|
|
for (uint32_t i = 0; i < kNumElems; i++) {
|
|
uint64_t offset = pseudo_base + i * 4;
|
|
int32_t expected = real_buffer[i];
|
|
CHECK_EQ(expected, m.Call(offset, length));
|
|
}
|
|
|
|
// in-bounds accesses w.r.t lower 32-bits, but upper bits set.
|
|
for (uint64_t i = 0x100000000ULL; i != 0; i <<= 1) {
|
|
uint64_t offset = pseudo_base + i;
|
|
CheckOobValue(m.Call(offset, length));
|
|
}
|
|
|
|
// slightly out-of-bounds accesses.
|
|
for (uint32_t i = kLength; i < kNumElems + 30; i++) {
|
|
uint64_t offset = pseudo_base + i * 4;
|
|
CheckOobValue(0, m.Call(offset, length));
|
|
}
|
|
|
|
// way out-of-bounds accesses.
|
|
for (uint64_t offset = length; offset < 100 * A_BILLION; offset += A_GIG) {
|
|
if (offset < length) continue;
|
|
CheckOobValue(0, m.Call(offset, length));
|
|
}
|
|
}
|
|
|
|
TEST(RunOobCheckedLoad64_0) {
|
|
TestRunOobCheckedLoad64(0, false);
|
|
TestRunOobCheckedLoad64(0, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedLoad64_1) {
|
|
TestRunOobCheckedLoad64(1 * A_BILLION, false);
|
|
TestRunOobCheckedLoad64(1 * A_BILLION, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedLoad64_2) {
|
|
TestRunOobCheckedLoad64(2 * A_BILLION, false);
|
|
TestRunOobCheckedLoad64(2 * A_BILLION, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedLoad64_3) {
|
|
TestRunOobCheckedLoad64(3 * A_BILLION, false);
|
|
TestRunOobCheckedLoad64(3 * A_BILLION, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedLoad64_4) {
|
|
TestRunOobCheckedLoad64(4 * A_BILLION, false);
|
|
TestRunOobCheckedLoad64(4 * A_BILLION, true);
|
|
}
|
|
|
|
void TestRunOobCheckedStore64(uint32_t pseudo_base, bool length_is_immediate) {
|
|
RawMachineAssemblerTester<int32_t> m(MachineType::Uint64(),
|
|
MachineType::Uint64());
|
|
MachineOperatorBuilder machine(m.zone());
|
|
const uint32_t kNumElems = 21;
|
|
const uint32_t kLength = kNumElems * 4;
|
|
const uint32_t kValue = 897234987;
|
|
int32_t real_buffer[kNumElems + kNumElems];
|
|
|
|
// Simulate the end of a large buffer.
|
|
int32_t* buffer = real_buffer - (pseudo_base / 4);
|
|
uint64_t length = kLength + pseudo_base;
|
|
|
|
Node* base = m.PointerConstant(buffer);
|
|
Node* offset = m.Parameter(0);
|
|
Node* len = length_is_immediate ? m.Int64Constant(length) : m.Parameter(1);
|
|
Node* val = m.Int32Constant(kValue);
|
|
m.AddNode(machine.CheckedStore(MachineRepresentation::kWord32), base, offset,
|
|
len, val);
|
|
m.Return(val);
|
|
|
|
// in-bounds accesses.
|
|
for (uint32_t i = 0; i < kNumElems; i++) {
|
|
memset(real_buffer, 0, sizeof(real_buffer));
|
|
uint64_t offset = pseudo_base + i * 4;
|
|
CHECK_EQ(kValue, m.Call(offset, length));
|
|
for (uint32_t j = 0; j < kNumElems + kNumElems; j++) {
|
|
if (i == j) {
|
|
CHECK_EQ(kValue, real_buffer[j]);
|
|
} else {
|
|
CHECK_EQ(0, real_buffer[j]);
|
|
}
|
|
}
|
|
}
|
|
|
|
memset(real_buffer, 0, sizeof(real_buffer));
|
|
|
|
// in-bounds accesses w.r.t lower 32-bits, but upper bits set.
|
|
for (uint64_t i = 0x100000000ULL; i != 0; i <<= 1) {
|
|
uint64_t offset = pseudo_base + i;
|
|
CHECK_EQ(kValue, m.Call(offset, length));
|
|
for (int32_t j = 0; j < kNumElems + kNumElems; j++) {
|
|
CHECK_EQ(0, real_buffer[j]);
|
|
}
|
|
}
|
|
|
|
// slightly out-of-bounds accesses.
|
|
for (uint32_t i = kLength; i < kNumElems + 30; i++) {
|
|
uint64_t offset = pseudo_base + i * 4;
|
|
CHECK_EQ(kValue, m.Call(offset, length));
|
|
for (int32_t j = 0; j < kNumElems + kNumElems; j++) {
|
|
CHECK_EQ(0, real_buffer[j]);
|
|
}
|
|
}
|
|
|
|
// way out-of-bounds accesses.
|
|
for (uint64_t offset = length; offset < 100 * A_BILLION; offset += A_GIG) {
|
|
if (offset < length) continue;
|
|
CHECK_EQ(kValue, m.Call(offset, length));
|
|
for (int32_t j = 0; j < kNumElems + kNumElems; j++) {
|
|
CHECK_EQ(0, real_buffer[j]);
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST(RunOobCheckedStore64_0) {
|
|
TestRunOobCheckedStore64(0, false);
|
|
TestRunOobCheckedStore64(0, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedStore64_1) {
|
|
TestRunOobCheckedStore64(1 * A_BILLION, false);
|
|
TestRunOobCheckedStore64(1 * A_BILLION, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedStore64_2) {
|
|
TestRunOobCheckedStore64(2 * A_BILLION, false);
|
|
TestRunOobCheckedStore64(2 * A_BILLION, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedStore64_3) {
|
|
TestRunOobCheckedStore64(3 * A_BILLION, false);
|
|
TestRunOobCheckedStore64(3 * A_BILLION, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedStore64_4) {
|
|
TestRunOobCheckedStore64(4 * A_BILLION, false);
|
|
TestRunOobCheckedStore64(4 * A_BILLION, true);
|
|
}
|
|
|
|
#endif
|
|
|
|
void TestRunOobCheckedLoad_pseudo(uint64_t x, bool length_is_immediate) {
|
|
RawMachineAssemblerTester<int32_t> m(MachineType::Uint32(),
|
|
MachineType::Uint32());
|
|
|
|
uint32_t pseudo_base = static_cast<uint32_t>(x);
|
|
MachineOperatorBuilder machine(m.zone());
|
|
const uint32_t kNumElems = 29;
|
|
const uint32_t kLength = pseudo_base + kNumElems * 4;
|
|
|
|
int32_t buffer[kNumElems];
|
|
Node* base = m.PointerConstant(reinterpret_cast<byte*>(buffer) - pseudo_base);
|
|
Node* offset = m.Parameter(0);
|
|
Node* len = length_is_immediate ? m.Int32Constant(kLength) : m.Parameter(1);
|
|
Node* node =
|
|
m.AddNode(machine.CheckedLoad(MachineType::Int32()), base, offset, len);
|
|
m.Return(node);
|
|
|
|
{
|
|
// randomize memory.
|
|
v8::base::RandomNumberGenerator rng;
|
|
rng.SetSeed(100);
|
|
rng.NextBytes(&buffer[0], sizeof(buffer));
|
|
}
|
|
|
|
// in-bounds accesses.
|
|
for (uint32_t i = 0; i < kNumElems; i++) {
|
|
uint32_t offset = static_cast<uint32_t>(i * sizeof(int32_t));
|
|
uint32_t expected = buffer[i];
|
|
CHECK_EQ(expected,
|
|
static_cast<uint32_t>(m.Call(offset + pseudo_base, kLength)));
|
|
}
|
|
|
|
// slightly out-of-bounds accesses.
|
|
for (uint32_t i = kNumElems; i < kNumElems + 30; i++) {
|
|
uint32_t offset = i * sizeof(int32_t);
|
|
CheckOobValue(m.Call(offset + pseudo_base, kLength));
|
|
}
|
|
|
|
// way out-of-bounds accesses.
|
|
for (uint64_t i = pseudo_base + sizeof(buffer); i < 0xFFFFFFFF;
|
|
i += A_BILLION) {
|
|
uint32_t offset = static_cast<uint32_t>(i);
|
|
CheckOobValue(m.Call(offset, kLength));
|
|
}
|
|
}
|
|
|
|
TEST(RunOobCheckedLoad_pseudo0) {
|
|
TestRunOobCheckedLoad_pseudo(0, false);
|
|
TestRunOobCheckedLoad_pseudo(0, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedLoad_pseudo1) {
|
|
TestRunOobCheckedLoad_pseudo(100000, false);
|
|
TestRunOobCheckedLoad_pseudo(100000, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedLoad_pseudo2) {
|
|
TestRunOobCheckedLoad_pseudo(A_BILLION, false);
|
|
TestRunOobCheckedLoad_pseudo(A_BILLION, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedLoad_pseudo3) {
|
|
TestRunOobCheckedLoad_pseudo(A_GIG, false);
|
|
TestRunOobCheckedLoad_pseudo(A_GIG, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedLoad_pseudo4) {
|
|
TestRunOobCheckedLoad_pseudo(2 * A_BILLION, false);
|
|
TestRunOobCheckedLoad_pseudo(2 * A_BILLION, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedLoad_pseudo5) {
|
|
TestRunOobCheckedLoad_pseudo(2 * A_GIG, false);
|
|
TestRunOobCheckedLoad_pseudo(2 * A_GIG, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedLoad_pseudo6) {
|
|
TestRunOobCheckedLoad_pseudo(3 * A_BILLION, false);
|
|
TestRunOobCheckedLoad_pseudo(3 * A_BILLION, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedLoad_pseudo7) {
|
|
TestRunOobCheckedLoad_pseudo(3 * A_GIG, false);
|
|
TestRunOobCheckedLoad_pseudo(3 * A_GIG, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedLoad_pseudo8) {
|
|
TestRunOobCheckedLoad_pseudo(4 * A_BILLION, false);
|
|
TestRunOobCheckedLoad_pseudo(4 * A_BILLION, true);
|
|
}
|
|
|
|
template <typename MemType>
|
|
void TestRunOobCheckedLoadT_pseudo(uint64_t x, bool length_is_immediate) {
|
|
const int32_t kReturn = 11999;
|
|
const uint32_t kNumElems = 29;
|
|
MemType buffer[kNumElems];
|
|
uint32_t pseudo_base = static_cast<uint32_t>(x);
|
|
const uint32_t kLength = static_cast<uint32_t>(pseudo_base + sizeof(buffer));
|
|
|
|
MemType result;
|
|
|
|
RawMachineAssemblerTester<int32_t> m(MachineType::Uint32(),
|
|
MachineType::Uint32());
|
|
MachineOperatorBuilder machine(m.zone());
|
|
Node* base = m.PointerConstant(reinterpret_cast<byte*>(buffer) - pseudo_base);
|
|
Node* offset = m.Parameter(0);
|
|
Node* len = length_is_immediate ? m.Int32Constant(kLength) : m.Parameter(1);
|
|
Node* node = m.AddNode(machine.CheckedLoad(MachineTypeForC<MemType>()), base,
|
|
offset, len);
|
|
Node* store = m.StoreToPointer(
|
|
&result, MachineTypeForC<MemType>().representation(), node);
|
|
USE(store);
|
|
m.Return(m.Int32Constant(kReturn));
|
|
|
|
{
|
|
// randomize memory.
|
|
v8::base::RandomNumberGenerator rng;
|
|
rng.SetSeed(103);
|
|
rng.NextBytes(&buffer[0], sizeof(buffer));
|
|
}
|
|
|
|
// in-bounds accesses.
|
|
for (uint32_t i = 0; i < kNumElems; i++) {
|
|
uint32_t offset = static_cast<uint32_t>(i * sizeof(MemType));
|
|
MemType expected = buffer[i];
|
|
CHECK_EQ(kReturn, m.Call(offset + pseudo_base, kLength));
|
|
CHECK_EQ(expected, result);
|
|
}
|
|
|
|
// slightly out-of-bounds accesses.
|
|
for (uint32_t i = kNumElems; i < kNumElems + 30; i++) {
|
|
uint32_t offset = static_cast<uint32_t>(i * sizeof(MemType));
|
|
CHECK_EQ(kReturn, m.Call(offset + pseudo_base, kLength));
|
|
CheckOobValue(result);
|
|
}
|
|
|
|
// way out-of-bounds accesses.
|
|
for (uint64_t i = pseudo_base + sizeof(buffer); i < 0xFFFFFFFF;
|
|
i += A_BILLION) {
|
|
uint32_t offset = static_cast<uint32_t>(i);
|
|
CHECK_EQ(kReturn, m.Call(offset, kLength));
|
|
CheckOobValue(result);
|
|
}
|
|
}
|
|
|
|
TEST(RunOobCheckedLoadT_pseudo0) {
|
|
TestRunOobCheckedLoadT_pseudo<int32_t>(0, false);
|
|
TestRunOobCheckedLoadT_pseudo<int32_t>(0, true);
|
|
TestRunOobCheckedLoadT_pseudo<float>(0, false);
|
|
TestRunOobCheckedLoadT_pseudo<float>(0, true);
|
|
TestRunOobCheckedLoadT_pseudo<double>(0, false);
|
|
TestRunOobCheckedLoadT_pseudo<double>(0, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedLoadT_pseudo1) {
|
|
TestRunOobCheckedLoadT_pseudo<int32_t>(100000, false);
|
|
TestRunOobCheckedLoadT_pseudo<int32_t>(100000, true);
|
|
TestRunOobCheckedLoadT_pseudo<float>(100000, false);
|
|
TestRunOobCheckedLoadT_pseudo<float>(100000, true);
|
|
TestRunOobCheckedLoadT_pseudo<double>(100000, false);
|
|
TestRunOobCheckedLoadT_pseudo<double>(100000, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedLoadT_pseudo2) {
|
|
TestRunOobCheckedLoadT_pseudo<int32_t>(A_BILLION, false);
|
|
TestRunOobCheckedLoadT_pseudo<int32_t>(A_BILLION, true);
|
|
TestRunOobCheckedLoadT_pseudo<float>(A_BILLION, false);
|
|
TestRunOobCheckedLoadT_pseudo<float>(A_BILLION, true);
|
|
TestRunOobCheckedLoadT_pseudo<double>(A_BILLION, false);
|
|
TestRunOobCheckedLoadT_pseudo<double>(A_BILLION, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedLoadT_pseudo3) {
|
|
TestRunOobCheckedLoadT_pseudo<int32_t>(A_GIG, false);
|
|
TestRunOobCheckedLoadT_pseudo<int32_t>(A_GIG, true);
|
|
TestRunOobCheckedLoadT_pseudo<float>(A_GIG, false);
|
|
TestRunOobCheckedLoadT_pseudo<float>(A_GIG, true);
|
|
TestRunOobCheckedLoadT_pseudo<double>(A_GIG, false);
|
|
TestRunOobCheckedLoadT_pseudo<double>(A_GIG, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedLoadT_pseudo4) {
|
|
TestRunOobCheckedLoadT_pseudo<int32_t>(2 * A_BILLION, false);
|
|
TestRunOobCheckedLoadT_pseudo<int32_t>(2 * A_BILLION, true);
|
|
TestRunOobCheckedLoadT_pseudo<float>(2 * A_BILLION, false);
|
|
TestRunOobCheckedLoadT_pseudo<float>(2 * A_BILLION, true);
|
|
TestRunOobCheckedLoadT_pseudo<double>(2 * A_BILLION, false);
|
|
TestRunOobCheckedLoadT_pseudo<double>(2 * A_BILLION, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedLoadT_pseudo5) {
|
|
TestRunOobCheckedLoadT_pseudo<int32_t>(2 * A_GIG, false);
|
|
TestRunOobCheckedLoadT_pseudo<int32_t>(2 * A_GIG, true);
|
|
TestRunOobCheckedLoadT_pseudo<float>(2 * A_GIG, false);
|
|
TestRunOobCheckedLoadT_pseudo<float>(2 * A_GIG, true);
|
|
TestRunOobCheckedLoadT_pseudo<double>(2 * A_GIG, false);
|
|
TestRunOobCheckedLoadT_pseudo<double>(2 * A_GIG, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedLoadT_pseudo6) {
|
|
TestRunOobCheckedLoadT_pseudo<int32_t>(3 * A_BILLION, false);
|
|
TestRunOobCheckedLoadT_pseudo<int32_t>(3 * A_BILLION, true);
|
|
TestRunOobCheckedLoadT_pseudo<float>(3 * A_BILLION, false);
|
|
TestRunOobCheckedLoadT_pseudo<float>(3 * A_BILLION, true);
|
|
TestRunOobCheckedLoadT_pseudo<double>(3 * A_BILLION, false);
|
|
TestRunOobCheckedLoadT_pseudo<double>(3 * A_BILLION, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedLoadT_pseudo7) {
|
|
TestRunOobCheckedLoadT_pseudo<int32_t>(3 * A_GIG, false);
|
|
TestRunOobCheckedLoadT_pseudo<int32_t>(3 * A_GIG, true);
|
|
TestRunOobCheckedLoadT_pseudo<float>(3 * A_GIG, false);
|
|
TestRunOobCheckedLoadT_pseudo<float>(3 * A_GIG, true);
|
|
TestRunOobCheckedLoadT_pseudo<double>(3 * A_GIG, false);
|
|
TestRunOobCheckedLoadT_pseudo<double>(3 * A_GIG, true);
|
|
}
|
|
|
|
TEST(RunOobCheckedLoadT_pseudo8) {
|
|
TestRunOobCheckedLoadT_pseudo<int32_t>(4 * A_BILLION, false);
|
|
TestRunOobCheckedLoadT_pseudo<int32_t>(4 * A_BILLION, true);
|
|
TestRunOobCheckedLoadT_pseudo<float>(4 * A_BILLION, false);
|
|
TestRunOobCheckedLoadT_pseudo<float>(4 * A_BILLION, true);
|
|
TestRunOobCheckedLoadT_pseudo<double>(4 * A_BILLION, false);
|
|
TestRunOobCheckedLoadT_pseudo<double>(4 * A_BILLION, true);
|
|
}
|
|
|
|
} // namespace compiler
|
|
} // namespace internal
|
|
} // namespace v8
|