Revision f230a1cf deps/v8/test/cctest/test-assembler-x64.cc
| deps/v8/test/cctest/test-assembler-x64.cc | ||
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#include "serialize.h" |
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#include "cctest.h" |
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using v8::internal::Assembler; |
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using v8::internal::Code; |
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using v8::internal::CodeDesc; |
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using v8::internal::FUNCTION_CAST; |
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using v8::internal::Immediate; |
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using v8::internal::Isolate; |
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using v8::internal::Label; |
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using v8::internal::OS; |
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using v8::internal::Operand; |
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using v8::internal::byte; |
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using v8::internal::greater; |
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using v8::internal::less_equal; |
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using v8::internal::equal; |
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using v8::internal::not_equal; |
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using v8::internal::r13; |
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using v8::internal::r15; |
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using v8::internal::r8; |
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using v8::internal::r9; |
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using v8::internal::rax; |
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using v8::internal::rbx; |
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using v8::internal::rbp; |
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using v8::internal::rcx; |
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using v8::internal::rdi; |
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using v8::internal::rdx; |
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using v8::internal::rsi; |
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using v8::internal::rsp; |
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using v8::internal::times_1; |
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using v8::internal::xmm0; |
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using namespace v8::internal; |
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// Test the x64 assembler by compiling some simple functions into |
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// a buffer and executing them. These tests do not initialize the |
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typedef int (*F0)(); |
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typedef int (*F1)(int64_t x); |
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typedef int (*F2)(int64_t x, int64_t y); |
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typedef int (*F3)(double x); |
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typedef int64_t (*F4)(int64_t* x, int64_t* y); |
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typedef int64_t (*F5)(int64_t x); |
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#ifdef _WIN64 |
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static const v8::internal::Register arg1 = rcx;
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static const v8::internal::Register arg2 = rdx;
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static const Register arg1 = rcx; |
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static const Register arg2 = rdx; |
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#else |
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static const v8::internal::Register arg1 = rdi;
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static const v8::internal::Register arg2 = rsi;
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static const Register arg1 = rdi; |
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static const Register arg2 = rsi; |
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#endif |
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#define __ assm. |
| ... | ... | |
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&actual_size, |
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true)); |
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CHECK(buffer); |
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Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size));
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Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size));
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// Assemble a simple function that copies argument 2 and returns it. |
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__ movq(rax, arg2); |
| ... | ... | |
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&actual_size, |
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true)); |
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CHECK(buffer); |
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Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size));
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Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size));
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// Assemble a simple function that copies argument 2 and returns it. |
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// We compile without stack frame pointers, so the gdb debugger shows |
| ... | ... | |
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&actual_size, |
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true)); |
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CHECK(buffer); |
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Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size));
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Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size));
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// Assemble a simple function that adds arguments returning the sum. |
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__ movq(rax, arg2); |
| ... | ... | |
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&actual_size, |
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true)); |
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CHECK(buffer); |
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Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size));
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Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size));
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// Assemble a simple function that multiplies arguments returning the high |
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// word. |
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} |
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TEST(AssemblerX64XchglOperations) {
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// Allocate an executable page of memory. |
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size_t actual_size; |
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byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, |
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&actual_size, |
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true)); |
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CHECK(buffer); |
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Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size)); |
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__ movq(rax, Operand(arg1, 0)); |
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__ movq(rbx, Operand(arg2, 0)); |
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__ xchgl(rax, rbx); |
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__ movq(Operand(arg1, 0), rax); |
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__ movq(Operand(arg2, 0), rbx); |
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__ ret(0); |
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CodeDesc desc; |
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assm.GetCode(&desc); |
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// Call the function from C++. |
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int64_t left = V8_2PART_UINT64_C(0x10000000, 20000000); |
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int64_t right = V8_2PART_UINT64_C(0x30000000, 40000000); |
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int64_t result = FUNCTION_CAST<F4>(buffer)(&left, &right); |
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CHECK_EQ(V8_2PART_UINT64_C(0x00000000, 40000000), left); |
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CHECK_EQ(V8_2PART_UINT64_C(0x00000000, 20000000), right); |
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USE(result); |
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} |
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TEST(AssemblerX64OrlOperations) {
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// Allocate an executable page of memory. |
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size_t actual_size; |
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byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, |
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&actual_size, |
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true)); |
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CHECK(buffer); |
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Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size)); |
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__ movq(rax, Operand(arg2, 0)); |
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__ orl(Operand(arg1, 0), rax); |
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__ ret(0); |
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CodeDesc desc; |
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assm.GetCode(&desc); |
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// Call the function from C++. |
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int64_t left = V8_2PART_UINT64_C(0x10000000, 20000000); |
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int64_t right = V8_2PART_UINT64_C(0x30000000, 40000000); |
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int64_t result = FUNCTION_CAST<F4>(buffer)(&left, &right); |
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CHECK_EQ(V8_2PART_UINT64_C(0x10000000, 60000000), left); |
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USE(result); |
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} |
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TEST(AssemblerX64RollOperations) {
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// Allocate an executable page of memory. |
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size_t actual_size; |
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byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, |
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&actual_size, |
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true)); |
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CHECK(buffer); |
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Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size)); |
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__ movq(rax, arg1); |
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__ roll(rax, Immediate(1)); |
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__ ret(0); |
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CodeDesc desc; |
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assm.GetCode(&desc); |
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// Call the function from C++. |
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int64_t src = V8_2PART_UINT64_C(0x10000000, C0000000); |
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int64_t result = FUNCTION_CAST<F5>(buffer)(src); |
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CHECK_EQ(V8_2PART_UINT64_C(0x00000000, 80000001), result); |
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} |
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TEST(AssemblerX64SublOperations) {
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// Allocate an executable page of memory. |
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size_t actual_size; |
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byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, |
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&actual_size, |
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true)); |
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CHECK(buffer); |
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Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size)); |
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__ movq(rax, Operand(arg2, 0)); |
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__ subl(Operand(arg1, 0), rax); |
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__ ret(0); |
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CodeDesc desc; |
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assm.GetCode(&desc); |
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// Call the function from C++. |
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int64_t left = V8_2PART_UINT64_C(0x10000000, 20000000); |
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int64_t right = V8_2PART_UINT64_C(0x30000000, 40000000); |
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int64_t result = FUNCTION_CAST<F4>(buffer)(&left, &right); |
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CHECK_EQ(V8_2PART_UINT64_C(0x10000000, e0000000), left); |
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USE(result); |
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} |
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TEST(AssemblerX64TestlOperations) {
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// Allocate an executable page of memory. |
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size_t actual_size; |
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byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, |
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&actual_size, |
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true)); |
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CHECK(buffer); |
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Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size)); |
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// Set rax with the ZF flag of the testl instruction. |
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Label done; |
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__ movq(rax, Immediate(1)); |
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__ movq(rbx, Operand(arg2, 0)); |
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__ testl(Operand(arg1, 0), rbx); |
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__ j(zero, &done, Label::kNear); |
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__ movq(rax, Immediate(0)); |
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__ bind(&done); |
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__ ret(0); |
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CodeDesc desc; |
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assm.GetCode(&desc); |
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// Call the function from C++. |
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int64_t left = V8_2PART_UINT64_C(0x10000000, 20000000); |
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int64_t right = V8_2PART_UINT64_C(0x30000000, 00000000); |
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int64_t result = FUNCTION_CAST<F4>(buffer)(&left, &right); |
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CHECK_EQ(static_cast<int64_t>(1), result); |
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} |
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TEST(AssemblerX64XorlOperations) {
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// Allocate an executable page of memory. |
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size_t actual_size; |
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byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, |
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&actual_size, |
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true)); |
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CHECK(buffer); |
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Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size)); |
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__ movq(rax, Operand(arg2, 0)); |
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__ xorl(Operand(arg1, 0), rax); |
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__ ret(0); |
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CodeDesc desc; |
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assm.GetCode(&desc); |
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// Call the function from C++. |
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int64_t left = V8_2PART_UINT64_C(0x10000000, 20000000); |
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int64_t right = V8_2PART_UINT64_C(0x30000000, 60000000); |
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int64_t result = FUNCTION_CAST<F4>(buffer)(&left, &right); |
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CHECK_EQ(V8_2PART_UINT64_C(0x10000000, 40000000), left); |
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USE(result); |
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} |
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TEST(AssemblerX64MemoryOperands) {
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// Allocate an executable page of memory. |
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size_t actual_size; |
| ... | ... | |
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&actual_size, |
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true)); |
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CHECK(buffer); |
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Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size));
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Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size));
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// Assemble a simple function that copies argument 2 and returns it. |
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__ push(rbp); |
| ... | ... | |
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&actual_size, |
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true)); |
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CHECK(buffer); |
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Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size));
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Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size));
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// Assemble a simple function that copies argument 1 and returns it. |
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__ push(rbp); |
| ... | ... | |
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&actual_size, |
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true)); |
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CHECK(buffer); |
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Assembler assm(Isolate::Current(), buffer, static_cast<int>(actual_size));
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Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size));
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// Assemble two loops using rax as counter, and verify the ending counts. |
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Label Fail; |
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__ movq(rax, Immediate(-3)); |
| ... | ... | |
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// Test chaining of label usages within instructions (issue 1644). |
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CcTest::InitializeVM(); |
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v8::HandleScope scope(CcTest::isolate()); |
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Assembler assm(Isolate::Current(), NULL, 0);
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Assembler assm(CcTest::i_isolate(), NULL, 0);
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Label target; |
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__ j(equal, &target); |
| ... | ... | |
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TEST(AssemblerMultiByteNop) {
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CcTest::InitializeVM(); |
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v8::HandleScope scope(CcTest::isolate()); |
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v8::internal::byte buffer[1024];
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Isolate* isolate = Isolate::Current();
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byte buffer[1024]; |
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Isolate* isolate = CcTest::i_isolate();
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Assembler assm(isolate, buffer, sizeof(buffer)); |
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__ push(rbx); |
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__ push(rcx); |
| ... | ... | |
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Code* code = Code::cast(isolate->heap()->CreateCode( |
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desc, |
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Code::ComputeFlags(Code::STUB), |
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v8::internal::Handle<Code>())->ToObjectChecked());
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Handle<Code>())->ToObjectChecked()); |
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CHECK(code->IsCode()); |
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F0 f = FUNCTION_CAST<F0>(code->entry()); |
| ... | ... | |
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#define ELEMENT_COUNT 4 |
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|
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void DoSSE2(const v8::FunctionCallbackInfo<v8::Value>& args) {
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CcTest::InitializeVM(); |
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v8::HandleScope scope(CcTest::isolate()); |
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v8::internal::byte buffer[1024];
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byte buffer[1024]; |
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|
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CHECK(args[0]->IsArray()); |
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v8::Local<v8::Array> vec = v8::Local<v8::Array>::Cast(args[0]); |
| 442 | 568 |
CHECK_EQ(ELEMENT_COUNT, vec->Length()); |
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Isolate* isolate = Isolate::Current();
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Isolate* isolate = CcTest::i_isolate();
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Assembler assm(isolate, buffer, sizeof(buffer)); |
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|
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// Remove return address from the stack for fix stack frame alignment. |
| ... | ... | |
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Code* code = Code::cast(isolate->heap()->CreateCode( |
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desc, |
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Code::ComputeFlags(Code::STUB), |
| 476 |
v8::internal::Handle<Code>())->ToObjectChecked());
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|
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Handle<Code>())->ToObjectChecked()); |
|
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CHECK(code->IsCode()); |
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|
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F0 f = FUNCTION_CAST<F0>(code->entry()); |
| ... | ... | |
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|
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TEST(StackAlignmentForSSE2) {
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CcTest::InitializeVM(); |
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CHECK_EQ(0, OS::ActivationFrameAlignment() % 16); |
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v8::Isolate* isolate = v8::Isolate::GetCurrent();
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v8::Isolate* isolate = CcTest::isolate();
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v8::HandleScope handle_scope(isolate); |
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v8::Handle<v8::ObjectTemplate> global_template = v8::ObjectTemplate::New(); |
| 491 | 618 |
global_template->Set(v8_str("do_sse2"), v8::FunctionTemplate::New(DoSSE2));
|
| ... | ... | |
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#endif // __GNUC__ |
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|
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TEST(AssemblerX64Extractps) {
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| 648 |
CcTest::InitializeVM(); |
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| 649 |
if (!CpuFeatures::IsSupported(SSE4_1)) return; |
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|
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| 651 |
v8::HandleScope scope(CcTest::isolate()); |
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byte buffer[256]; |
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Isolate* isolate = CcTest::i_isolate(); |
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Assembler assm(isolate, buffer, sizeof(buffer)); |
|
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{ CpuFeatureScope fscope2(&assm, SSE4_1);
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| 656 |
__ extractps(rax, xmm0, 0x1); |
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| 657 |
__ ret(0); |
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| 658 |
} |
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| 659 |
|
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| 660 |
CodeDesc desc; |
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| 661 |
assm.GetCode(&desc); |
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Code* code = Code::cast(isolate->heap()->CreateCode( |
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| 663 |
desc, |
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| 664 |
Code::ComputeFlags(Code::STUB), |
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| 665 |
Handle<Code>())->ToObjectChecked()); |
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| 666 |
CHECK(code->IsCode()); |
|
| 667 |
#ifdef OBJECT_PRINT |
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| 668 |
Code::cast(code)->Print(); |
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| 669 |
#endif |
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| 670 |
|
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| 671 |
F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
|
| 672 |
uint64_t value1 = V8_2PART_UINT64_C(0x12345678, 87654321); |
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CHECK_EQ(0x12345678, f(uint64_to_double(value1))); |
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| 674 |
uint64_t value2 = V8_2PART_UINT64_C(0x87654321, 12345678); |
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CHECK_EQ(0x87654321, f(uint64_to_double(value2))); |
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| 676 |
} |
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|
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|
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#undef __ |
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