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// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/v8.h"
#include "test/cctest/compiler/function-tester.h"
using namespace v8::internal;
using namespace v8::internal::compiler;
template <typename U>
static void TypedArrayLoadHelper(const char* array_type) {
static const uint32_t kValues[] = {
0x00000000, 0x00000001, 0x00000023, 0x00000042, 0x12345678, 0x87654321,
0x0000003f, 0x0000007f, 0x00003fff, 0x00007fff, 0x3fffffff, 0x7fffffff,
0x000000ff, 0x00000080, 0x0000ffff, 0x00008000, 0xffffffff, 0x80000000};
EmbeddedVector<char, 1024> values_buffer;
StringBuilder values_builder(values_buffer.start(), values_buffer.length());
for (size_t i = 0; i < arraysize(kValues); ++i) {
values_builder.AddFormatted("a[%d] = 0x%08x;", i, kValues[i]);
}
// Note that below source creates two different typed arrays with the same
// elements kind to get coverage for both (on heap / with external backing
// store) access patterns.
const char* source =
"(function(a) {"
" var x = (a = new %sArray(%d)); %s;"
" var y = (a = new %sArray(%d)); %s; %%TypedArrayGetBuffer(y);"
" if (!%%HasFixed%sElements(x)) %%AbortJS('x');"
" if (!%%HasFixed%sElements(y)) %%AbortJS('y');"
" function f(a,b) {"
" a = a | 0; b = b | 0;"
" return x[a] + y[b];"
" }"
" return f;"
"})()";
EmbeddedVector<char, 1024> source_buffer;
SNPrintF(source_buffer, source, array_type, arraysize(kValues),
values_buffer.start(), array_type, arraysize(kValues),
values_buffer.start(), array_type, array_type);
FunctionTester T(
source_buffer.start(),
CompilationInfo::kContextSpecializing | CompilationInfo::kTypingEnabled);
for (size_t i = 0; i < arraysize(kValues); ++i) {
for (size_t j = 0; j < arraysize(kValues); ++j) {
volatile U value_a = static_cast<U>(kValues[i]);
volatile U value_b = static_cast<U>(kValues[j]);
double expected =
static_cast<double>(value_a) + static_cast<double>(value_b);
T.CheckCall(T.Val(expected), T.Val(static_cast<double>(i)),
T.Val(static_cast<double>(j)));
}
}
}
TEST(TypedArrayLoad) {
FLAG_typed_array_max_size_in_heap = 256;
TypedArrayLoadHelper<int8_t>("Int8");
TypedArrayLoadHelper<uint8_t>("Uint8");
TypedArrayLoadHelper<int16_t>("Int16");
TypedArrayLoadHelper<uint16_t>("Uint16");
TypedArrayLoadHelper<int32_t>("Int32");
TypedArrayLoadHelper<uint32_t>("Uint32");
TypedArrayLoadHelper<float>("Float32");
TypedArrayLoadHelper<double>("Float64");
// TODO(mstarzinger): Add tests for ClampedUint8.
}
template <typename U>
static void TypedArrayStoreHelper(const char* array_type) {
static const uint32_t kValues[] = {
0x00000000, 0x00000001, 0x00000023, 0x00000042, 0x12345678, 0x87654321,
0x0000003f, 0x0000007f, 0x00003fff, 0x00007fff, 0x3fffffff, 0x7fffffff,
0x000000ff, 0x00000080, 0x0000ffff, 0x00008000, 0xffffffff, 0x80000000};
EmbeddedVector<char, 1024> values_buffer;
StringBuilder values_builder(values_buffer.start(), values_buffer.length());
for (size_t i = 0; i < arraysize(kValues); ++i) {
values_builder.AddFormatted("a[%d] = 0x%08x;", i, kValues[i]);
}
// Note that below source creates two different typed arrays with the same
// elements kind to get coverage for both (on heap/with external backing
// store) access patterns.
const char* source =
"(function(a) {"
" var x = (a = new %sArray(%d)); %s;"
" var y = (a = new %sArray(%d)); %s; %%TypedArrayGetBuffer(y);"
" if (!%%HasFixed%sElements(x)) %%AbortJS('x');"
" if (!%%HasFixed%sElements(y)) %%AbortJS('y');"
" function f(a,b) {"
" a = a | 0; b = b | 0;"
" var t = x[a];"
" x[a] = y[b];"
" y[b] = t;"
" t = y[b];"
" y[b] = x[a];"
" x[a] = t;"
" return x[a] + y[b];"
" }"
" return f;"
"})()";
EmbeddedVector<char, 2048> source_buffer;
SNPrintF(source_buffer, source, array_type, arraysize(kValues),
values_buffer.start(), array_type, arraysize(kValues),
values_buffer.start(), array_type, array_type);
FunctionTester T(
source_buffer.start(),
CompilationInfo::kContextSpecializing | CompilationInfo::kTypingEnabled);
for (size_t i = 0; i < arraysize(kValues); ++i) {
for (size_t j = 0; j < arraysize(kValues); ++j) {
volatile U value_a = static_cast<U>(kValues[i]);
volatile U value_b = static_cast<U>(kValues[j]);
double expected =
static_cast<double>(value_a) + static_cast<double>(value_b);
T.CheckCall(T.Val(expected), T.Val(static_cast<double>(i)),
T.Val(static_cast<double>(j)));
}
}
}
TEST(TypedArrayStore) {
FLAG_typed_array_max_size_in_heap = 256;
TypedArrayStoreHelper<int8_t>("Int8");
TypedArrayStoreHelper<uint8_t>("Uint8");
TypedArrayStoreHelper<int16_t>("Int16");
TypedArrayStoreHelper<uint16_t>("Uint16");
TypedArrayStoreHelper<int32_t>("Int32");
TypedArrayStoreHelper<uint32_t>("Uint32");
TypedArrayStoreHelper<float>("Float32");
TypedArrayStoreHelper<double>("Float64");
// TODO(mstarzinger): Add tests for ClampedUint8.
}
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