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715 lines
22 KiB
715 lines
22 KiB
// Copyright 2009 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <stdlib.h>
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#include "v8.h"
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#include "macro-assembler.h"
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#include "factory.h"
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#include "platform.h"
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#include "serialize.h"
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#include "cctest.h"
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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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// V8 library, create a context, or use any V8 objects.
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// The AMD64 calling convention is used, with the first six arguments
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// in RDI, RSI, RDX, RCX, R8, and R9, and floating point arguments in
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// the XMM registers. The return value is in RAX.
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// This calling convention is used on Linux, with GCC, and on Mac OS,
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// with GCC. A different convention is used on 64-bit windows,
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// where the first four integer arguments are passed in RCX, RDX, R8 and R9.
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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 Register arg1 = rcx;
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static const Register arg2 = rdx;
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#else
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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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TEST(AssemblerX64ReturnOperation) {
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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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// Assemble a simple function that copies argument 2 and returns it.
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__ movq(rax, arg2);
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__ nop();
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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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int result = FUNCTION_CAST<F2>(buffer)(3, 2);
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CHECK_EQ(2, result);
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}
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TEST(AssemblerX64StackOperations) {
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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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// 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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// incorrect stack frames when debugging this function (which has them).
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__ pushq(rbp);
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__ movq(rbp, rsp);
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__ pushq(arg2); // Value at (rbp - 8)
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__ pushq(arg2); // Value at (rbp - 16)
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__ pushq(arg1); // Value at (rbp - 24)
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__ popq(rax);
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__ popq(rax);
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__ popq(rax);
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__ popq(rbp);
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__ nop();
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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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int result = FUNCTION_CAST<F2>(buffer)(3, 2);
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CHECK_EQ(2, result);
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}
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TEST(AssemblerX64ArithmeticOperations) {
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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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// Assemble a simple function that adds arguments returning the sum.
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__ movq(rax, arg2);
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__ addq(rax, arg1);
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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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int result = FUNCTION_CAST<F2>(buffer)(3, 2);
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CHECK_EQ(5, result);
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}
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TEST(AssemblerX64ImulOperation) {
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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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// Assemble a simple function that multiplies arguments returning the high
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// word.
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__ movq(rax, arg2);
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__ imulq(arg1);
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__ movq(rax, rdx);
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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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int result = FUNCTION_CAST<F2>(buffer)(3, 2);
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CHECK_EQ(0, result);
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result = FUNCTION_CAST<F2>(buffer)(0x100000000l, 0x100000000l);
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CHECK_EQ(1, result);
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result = FUNCTION_CAST<F2>(buffer)(-0x100000000l, 0x100000000l);
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CHECK_EQ(-1, result);
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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(r11, Operand(arg2, 0));
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__ xchgl(rax, r11);
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__ movq(Operand(arg1, 0), rax);
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__ movq(Operand(arg2, 0), r11);
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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(r11, Operand(arg2, 0));
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__ testl(Operand(arg1, 0), r11);
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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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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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// Assemble a simple function that copies argument 2 and returns it.
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__ pushq(rbp);
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__ movq(rbp, rsp);
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__ pushq(arg2); // Value at (rbp - 8)
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__ pushq(arg2); // Value at (rbp - 16)
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__ pushq(arg1); // Value at (rbp - 24)
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const int kStackElementSize = 8;
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__ movq(rax, Operand(rbp, -3 * kStackElementSize));
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__ popq(arg2);
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__ popq(arg2);
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__ popq(arg2);
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__ popq(rbp);
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__ nop();
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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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int result = FUNCTION_CAST<F2>(buffer)(3, 2);
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CHECK_EQ(3, result);
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}
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TEST(AssemblerX64ControlFlow) {
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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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// Assemble a simple function that copies argument 1 and returns it.
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__ pushq(rbp);
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__ movq(rbp, rsp);
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__ movq(rax, arg1);
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Label target;
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__ jmp(&target);
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__ movq(rax, arg2);
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__ bind(&target);
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__ popq(rbp);
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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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int result = FUNCTION_CAST<F2>(buffer)(3, 2);
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CHECK_EQ(3, result);
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}
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TEST(AssemblerX64LoopImmediates) {
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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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// 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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Label Loop1_test;
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Label Loop1_body;
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__ jmp(&Loop1_test);
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__ bind(&Loop1_body);
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__ addq(rax, Immediate(7));
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__ bind(&Loop1_test);
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__ cmpq(rax, Immediate(20));
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__ j(less_equal, &Loop1_body);
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// Did the loop terminate with the expected value?
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__ cmpq(rax, Immediate(25));
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__ j(not_equal, &Fail);
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Label Loop2_test;
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Label Loop2_body;
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__ movq(rax, Immediate(0x11FEED00));
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__ jmp(&Loop2_test);
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__ bind(&Loop2_body);
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__ addq(rax, Immediate(-0x1100));
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__ bind(&Loop2_test);
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__ cmpq(rax, Immediate(0x11FE8000));
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__ j(greater, &Loop2_body);
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// Did the loop terminate with the expected value?
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__ cmpq(rax, Immediate(0x11FE7600));
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__ j(not_equal, &Fail);
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__ movq(rax, Immediate(1));
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__ ret(0);
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__ bind(&Fail);
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__ movq(rax, Immediate(0));
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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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int result = FUNCTION_CAST<F0>(buffer)();
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CHECK_EQ(1, result);
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}
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TEST(OperandRegisterDependency) {
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int offsets[4] = {0, 1, 0xfed, 0xbeefcad};
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for (int i = 0; i < 4; i++) {
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int offset = offsets[i];
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CHECK(Operand(rax, offset).AddressUsesRegister(rax));
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CHECK(!Operand(rax, offset).AddressUsesRegister(r8));
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CHECK(!Operand(rax, offset).AddressUsesRegister(rcx));
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CHECK(Operand(rax, rax, times_1, offset).AddressUsesRegister(rax));
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CHECK(!Operand(rax, rax, times_1, offset).AddressUsesRegister(r8));
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CHECK(!Operand(rax, rax, times_1, offset).AddressUsesRegister(rcx));
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CHECK(Operand(rax, rcx, times_1, offset).AddressUsesRegister(rax));
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CHECK(Operand(rax, rcx, times_1, offset).AddressUsesRegister(rcx));
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CHECK(!Operand(rax, rcx, times_1, offset).AddressUsesRegister(r8));
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CHECK(!Operand(rax, rcx, times_1, offset).AddressUsesRegister(r9));
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CHECK(!Operand(rax, rcx, times_1, offset).AddressUsesRegister(rdx));
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CHECK(!Operand(rax, rcx, times_1, offset).AddressUsesRegister(rsp));
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CHECK(Operand(rsp, offset).AddressUsesRegister(rsp));
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CHECK(!Operand(rsp, offset).AddressUsesRegister(rax));
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CHECK(!Operand(rsp, offset).AddressUsesRegister(r15));
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CHECK(Operand(rbp, offset).AddressUsesRegister(rbp));
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CHECK(!Operand(rbp, offset).AddressUsesRegister(rax));
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CHECK(!Operand(rbp, offset).AddressUsesRegister(r13));
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CHECK(Operand(rbp, rax, times_1, offset).AddressUsesRegister(rbp));
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CHECK(Operand(rbp, rax, times_1, offset).AddressUsesRegister(rax));
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CHECK(!Operand(rbp, rax, times_1, offset).AddressUsesRegister(rcx));
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CHECK(!Operand(rbp, rax, times_1, offset).AddressUsesRegister(r13));
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CHECK(!Operand(rbp, rax, times_1, offset).AddressUsesRegister(r8));
|
|
CHECK(!Operand(rbp, rax, times_1, offset).AddressUsesRegister(rsp));
|
|
|
|
CHECK(Operand(rsp, rbp, times_1, offset).AddressUsesRegister(rsp));
|
|
CHECK(Operand(rsp, rbp, times_1, offset).AddressUsesRegister(rbp));
|
|
CHECK(!Operand(rsp, rbp, times_1, offset).AddressUsesRegister(rax));
|
|
CHECK(!Operand(rsp, rbp, times_1, offset).AddressUsesRegister(r15));
|
|
CHECK(!Operand(rsp, rbp, times_1, offset).AddressUsesRegister(r13));
|
|
}
|
|
}
|
|
|
|
|
|
TEST(AssemblerX64LabelChaining) {
|
|
// Test chaining of label usages within instructions (issue 1644).
|
|
CcTest::InitializeVM();
|
|
v8::HandleScope scope(CcTest::isolate());
|
|
Assembler assm(CcTest::i_isolate(), NULL, 0);
|
|
|
|
Label target;
|
|
__ j(equal, &target);
|
|
__ j(not_equal, &target);
|
|
__ bind(&target);
|
|
__ nop();
|
|
}
|
|
|
|
|
|
TEST(AssemblerMultiByteNop) {
|
|
CcTest::InitializeVM();
|
|
v8::HandleScope scope(CcTest::isolate());
|
|
byte buffer[1024];
|
|
Isolate* isolate = CcTest::i_isolate();
|
|
Assembler assm(isolate, buffer, sizeof(buffer));
|
|
__ pushq(rbx);
|
|
__ pushq(rcx);
|
|
__ pushq(rdx);
|
|
__ pushq(rdi);
|
|
__ pushq(rsi);
|
|
__ movq(rax, Immediate(1));
|
|
__ movq(rbx, Immediate(2));
|
|
__ movq(rcx, Immediate(3));
|
|
__ movq(rdx, Immediate(4));
|
|
__ movq(rdi, Immediate(5));
|
|
__ movq(rsi, Immediate(6));
|
|
for (int i = 0; i < 16; i++) {
|
|
int before = assm.pc_offset();
|
|
__ Nop(i);
|
|
CHECK_EQ(assm.pc_offset() - before, i);
|
|
}
|
|
|
|
Label fail;
|
|
__ cmpq(rax, Immediate(1));
|
|
__ j(not_equal, &fail);
|
|
__ cmpq(rbx, Immediate(2));
|
|
__ j(not_equal, &fail);
|
|
__ cmpq(rcx, Immediate(3));
|
|
__ j(not_equal, &fail);
|
|
__ cmpq(rdx, Immediate(4));
|
|
__ j(not_equal, &fail);
|
|
__ cmpq(rdi, Immediate(5));
|
|
__ j(not_equal, &fail);
|
|
__ cmpq(rsi, Immediate(6));
|
|
__ j(not_equal, &fail);
|
|
__ movq(rax, Immediate(42));
|
|
__ popq(rsi);
|
|
__ popq(rdi);
|
|
__ popq(rdx);
|
|
__ popq(rcx);
|
|
__ popq(rbx);
|
|
__ ret(0);
|
|
__ bind(&fail);
|
|
__ movq(rax, Immediate(13));
|
|
__ popq(rsi);
|
|
__ popq(rdi);
|
|
__ popq(rdx);
|
|
__ popq(rcx);
|
|
__ popq(rbx);
|
|
__ ret(0);
|
|
|
|
CodeDesc desc;
|
|
assm.GetCode(&desc);
|
|
Code* code = Code::cast(isolate->heap()->CreateCode(
|
|
desc,
|
|
Code::ComputeFlags(Code::STUB),
|
|
Handle<Code>())->ToObjectChecked());
|
|
CHECK(code->IsCode());
|
|
|
|
F0 f = FUNCTION_CAST<F0>(code->entry());
|
|
int res = f();
|
|
CHECK_EQ(42, res);
|
|
}
|
|
|
|
|
|
#ifdef __GNUC__
|
|
#define ELEMENT_COUNT 4
|
|
|
|
void DoSSE2(const v8::FunctionCallbackInfo<v8::Value>& args) {
|
|
v8::HandleScope scope(CcTest::isolate());
|
|
byte buffer[1024];
|
|
|
|
CHECK(args[0]->IsArray());
|
|
v8::Local<v8::Array> vec = v8::Local<v8::Array>::Cast(args[0]);
|
|
CHECK_EQ(ELEMENT_COUNT, vec->Length());
|
|
|
|
Isolate* isolate = CcTest::i_isolate();
|
|
Assembler assm(isolate, buffer, sizeof(buffer));
|
|
|
|
// Remove return address from the stack for fix stack frame alignment.
|
|
__ popq(rcx);
|
|
|
|
// Store input vector on the stack.
|
|
for (int i = 0; i < ELEMENT_COUNT; i++) {
|
|
__ movl(rax, Immediate(vec->Get(i)->Int32Value()));
|
|
__ shl(rax, Immediate(0x20));
|
|
__ orq(rax, Immediate(vec->Get(++i)->Int32Value()));
|
|
__ pushq(rax);
|
|
}
|
|
|
|
// Read vector into a xmm register.
|
|
__ xorps(xmm0, xmm0);
|
|
__ movdqa(xmm0, Operand(rsp, 0));
|
|
// Create mask and store it in the return register.
|
|
__ movmskps(rax, xmm0);
|
|
|
|
// Remove unused data from the stack.
|
|
__ addq(rsp, Immediate(ELEMENT_COUNT * sizeof(int32_t)));
|
|
// Restore return address.
|
|
__ pushq(rcx);
|
|
|
|
__ ret(0);
|
|
|
|
CodeDesc desc;
|
|
assm.GetCode(&desc);
|
|
Code* code = Code::cast(isolate->heap()->CreateCode(
|
|
desc,
|
|
Code::ComputeFlags(Code::STUB),
|
|
Handle<Code>())->ToObjectChecked());
|
|
CHECK(code->IsCode());
|
|
|
|
F0 f = FUNCTION_CAST<F0>(code->entry());
|
|
int res = f();
|
|
args.GetReturnValue().Set(v8::Integer::New(CcTest::isolate(), res));
|
|
}
|
|
|
|
|
|
TEST(StackAlignmentForSSE2) {
|
|
CcTest::InitializeVM();
|
|
CHECK_EQ(0, OS::ActivationFrameAlignment() % 16);
|
|
|
|
v8::Isolate* isolate = CcTest::isolate();
|
|
v8::HandleScope handle_scope(isolate);
|
|
v8::Handle<v8::ObjectTemplate> global_template =
|
|
v8::ObjectTemplate::New(isolate);
|
|
global_template->Set(v8_str("do_sse2"),
|
|
v8::FunctionTemplate::New(isolate, DoSSE2));
|
|
|
|
LocalContext env(NULL, global_template);
|
|
CompileRun(
|
|
"function foo(vec) {"
|
|
" return do_sse2(vec);"
|
|
"}");
|
|
|
|
v8::Local<v8::Object> global_object = env->Global();
|
|
v8::Local<v8::Function> foo =
|
|
v8::Local<v8::Function>::Cast(global_object->Get(v8_str("foo")));
|
|
|
|
int32_t vec[ELEMENT_COUNT] = { -1, 1, 1, 1 };
|
|
v8::Local<v8::Array> v8_vec = v8::Array::New(isolate, ELEMENT_COUNT);
|
|
for (int i = 0; i < ELEMENT_COUNT; i++) {
|
|
v8_vec->Set(i, v8_num(vec[i]));
|
|
}
|
|
|
|
v8::Local<v8::Value> args[] = { v8_vec };
|
|
v8::Local<v8::Value> result = foo->Call(global_object, 1, args);
|
|
|
|
// The mask should be 0b1000.
|
|
CHECK_EQ(8, result->Int32Value());
|
|
}
|
|
|
|
#undef ELEMENT_COUNT
|
|
#endif // __GNUC__
|
|
|
|
|
|
TEST(AssemblerX64Extractps) {
|
|
CcTest::InitializeVM();
|
|
if (!CpuFeatures::IsSupported(SSE4_1)) return;
|
|
|
|
v8::HandleScope scope(CcTest::isolate());
|
|
byte buffer[256];
|
|
Isolate* isolate = CcTest::i_isolate();
|
|
Assembler assm(isolate, buffer, sizeof(buffer));
|
|
{ CpuFeatureScope fscope2(&assm, SSE4_1);
|
|
__ extractps(rax, xmm0, 0x1);
|
|
__ ret(0);
|
|
}
|
|
|
|
CodeDesc desc;
|
|
assm.GetCode(&desc);
|
|
Code* code = Code::cast(isolate->heap()->CreateCode(
|
|
desc,
|
|
Code::ComputeFlags(Code::STUB),
|
|
Handle<Code>())->ToObjectChecked());
|
|
CHECK(code->IsCode());
|
|
#ifdef OBJECT_PRINT
|
|
Code::cast(code)->Print();
|
|
#endif
|
|
|
|
F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry());
|
|
uint64_t value1 = V8_2PART_UINT64_C(0x12345678, 87654321);
|
|
CHECK_EQ(0x12345678, f(uint64_to_double(value1)));
|
|
uint64_t value2 = V8_2PART_UINT64_C(0x87654321, 12345678);
|
|
CHECK_EQ(0x87654321, f(uint64_to_double(value2)));
|
|
}
|
|
|
|
|
|
typedef int (*F6)(float x, float y);
|
|
TEST(AssemblerX64SSE) {
|
|
CcTest::InitializeVM();
|
|
|
|
Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate());
|
|
HandleScope scope(isolate);
|
|
v8::internal::byte buffer[256];
|
|
MacroAssembler assm(isolate, buffer, sizeof buffer);
|
|
{
|
|
__ shufps(xmm0, xmm0, 0x0); // brocast first argument
|
|
__ shufps(xmm1, xmm1, 0x0); // brocast second argument
|
|
__ movaps(xmm2, xmm1);
|
|
__ addps(xmm2, xmm0);
|
|
__ mulps(xmm2, xmm1);
|
|
__ subps(xmm2, xmm0);
|
|
__ divps(xmm2, xmm1);
|
|
__ cvttss2si(rax, xmm2);
|
|
__ ret(0);
|
|
}
|
|
|
|
CodeDesc desc;
|
|
assm.GetCode(&desc);
|
|
Code* code = Code::cast(isolate->heap()->CreateCode(
|
|
desc,
|
|
Code::ComputeFlags(Code::STUB),
|
|
Handle<Code>())->ToObjectChecked());
|
|
CHECK(code->IsCode());
|
|
#ifdef OBJECT_PRINT
|
|
Code::cast(code)->Print();
|
|
#endif
|
|
|
|
F6 f = FUNCTION_CAST<F6>(Code::cast(code)->entry());
|
|
CHECK_EQ(2, f(1.0, 2.0));
|
|
}
|
|
#undef __
|
|
|