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1286 lines
36 KiB
1286 lines
36 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 <cstdlib>
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#include <iostream>
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#include "src/v8.h"
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#include "src/base/platform/platform.h"
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#include "src/factory.h"
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#include "src/macro-assembler.h"
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#include "src/ostreams.h"
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#include "src/serialize.h"
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#include "test/cctest/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 unsigned (*F3)(double x);
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typedef uint64_t (*F4)(uint64_t* x, uint64_t* y);
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typedef uint64_t (*F5)(uint64_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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CcTest::InitializeVM();
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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*>(v8::base::OS::Allocate(
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Assembler::kMinimalBufferSize, &actual_size, 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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CcTest::InitializeVM();
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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*>(v8::base::OS::Allocate(
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Assembler::kMinimalBufferSize, &actual_size, 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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CcTest::InitializeVM();
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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*>(v8::base::OS::Allocate(
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Assembler::kMinimalBufferSize, &actual_size, 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(AssemblerX64CmpbOperation) {
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CcTest::InitializeVM();
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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*>(v8::base::OS::Allocate(
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Assembler::kMinimalBufferSize, &actual_size, 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 function that compare argument byte returing 1 if equal else 0.
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// On Windows, it compares rcx with rdx which does not require REX prefix;
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// on Linux, it compares rdi with rsi which requires REX prefix.
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Label done;
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__ movq(rax, Immediate(1));
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__ cmpb(arg1, arg2);
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__ j(equal, &done);
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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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int result = FUNCTION_CAST<F2>(buffer)(0x1002, 0x2002);
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CHECK_EQ(1, result);
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result = FUNCTION_CAST<F2>(buffer)(0x1002, 0x2003);
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CHECK_EQ(0, result);
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}
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TEST(AssemblerX64ImulOperation) {
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CcTest::InitializeVM();
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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*>(v8::base::OS::Allocate(
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Assembler::kMinimalBufferSize, &actual_size, 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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CcTest::InitializeVM();
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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*>(v8::base::OS::Allocate(
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Assembler::kMinimalBufferSize, &actual_size, 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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uint64_t left = V8_2PART_UINT64_C(0x10000000, 20000000);
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uint64_t right = V8_2PART_UINT64_C(0x30000000, 40000000);
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uint64_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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CcTest::InitializeVM();
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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*>(v8::base::OS::Allocate(
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Assembler::kMinimalBufferSize, &actual_size, 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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uint64_t left = V8_2PART_UINT64_C(0x10000000, 20000000);
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uint64_t right = V8_2PART_UINT64_C(0x30000000, 40000000);
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uint64_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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CcTest::InitializeVM();
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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*>(v8::base::OS::Allocate(
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Assembler::kMinimalBufferSize, &actual_size, 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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uint64_t src = V8_2PART_UINT64_C(0x10000000, C0000000);
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uint64_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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CcTest::InitializeVM();
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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*>(v8::base::OS::Allocate(
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Assembler::kMinimalBufferSize, &actual_size, 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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uint64_t left = V8_2PART_UINT64_C(0x10000000, 20000000);
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uint64_t right = V8_2PART_UINT64_C(0x30000000, 40000000);
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uint64_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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CcTest::InitializeVM();
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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*>(v8::base::OS::Allocate(
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Assembler::kMinimalBufferSize, &actual_size, 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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uint64_t left = V8_2PART_UINT64_C(0x10000000, 20000000);
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uint64_t right = V8_2PART_UINT64_C(0x30000000, 00000000);
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uint64_t result = FUNCTION_CAST<F4>(buffer)(&left, &right);
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CHECK_EQ(1u, result);
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}
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TEST(AssemblerX64XorlOperations) {
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CcTest::InitializeVM();
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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*>(v8::base::OS::Allocate(
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Assembler::kMinimalBufferSize, &actual_size, 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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uint64_t left = V8_2PART_UINT64_C(0x10000000, 20000000);
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uint64_t right = V8_2PART_UINT64_C(0x30000000, 60000000);
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uint64_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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CcTest::InitializeVM();
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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*>(v8::base::OS::Allocate(
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Assembler::kMinimalBufferSize, &actual_size, 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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CcTest::InitializeVM();
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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*>(v8::base::OS::Allocate(
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Assembler::kMinimalBufferSize, &actual_size, 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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CcTest::InitializeVM();
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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*>(v8::base::OS::Allocate(
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Assembler::kMinimalBufferSize, &actual_size, 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) {
|
|
int offsets[4] = {0, 1, 0xfed, 0xbeefcad};
|
|
for (int i = 0; i < 4; i++) {
|
|
int offset = offsets[i];
|
|
CHECK(Operand(rax, offset).AddressUsesRegister(rax));
|
|
CHECK(!Operand(rax, offset).AddressUsesRegister(r8));
|
|
CHECK(!Operand(rax, offset).AddressUsesRegister(rcx));
|
|
|
|
CHECK(Operand(rax, rax, times_1, offset).AddressUsesRegister(rax));
|
|
CHECK(!Operand(rax, rax, times_1, offset).AddressUsesRegister(r8));
|
|
CHECK(!Operand(rax, rax, times_1, offset).AddressUsesRegister(rcx));
|
|
|
|
CHECK(Operand(rax, rcx, times_1, offset).AddressUsesRegister(rax));
|
|
CHECK(Operand(rax, rcx, times_1, offset).AddressUsesRegister(rcx));
|
|
CHECK(!Operand(rax, rcx, times_1, offset).AddressUsesRegister(r8));
|
|
CHECK(!Operand(rax, rcx, times_1, offset).AddressUsesRegister(r9));
|
|
CHECK(!Operand(rax, rcx, times_1, offset).AddressUsesRegister(rdx));
|
|
CHECK(!Operand(rax, rcx, times_1, offset).AddressUsesRegister(rsp));
|
|
|
|
CHECK(Operand(rsp, offset).AddressUsesRegister(rsp));
|
|
CHECK(!Operand(rsp, offset).AddressUsesRegister(rax));
|
|
CHECK(!Operand(rsp, offset).AddressUsesRegister(r15));
|
|
|
|
CHECK(Operand(rbp, offset).AddressUsesRegister(rbp));
|
|
CHECK(!Operand(rbp, offset).AddressUsesRegister(rax));
|
|
CHECK(!Operand(rbp, offset).AddressUsesRegister(r13));
|
|
|
|
CHECK(Operand(rbp, rax, times_1, offset).AddressUsesRegister(rbp));
|
|
CHECK(Operand(rbp, rax, times_1, offset).AddressUsesRegister(rax));
|
|
CHECK(!Operand(rbp, rax, times_1, offset).AddressUsesRegister(rcx));
|
|
CHECK(!Operand(rbp, rax, times_1, offset).AddressUsesRegister(r13));
|
|
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);
|
|
Handle<Code> code = isolate->factory()->NewCode(
|
|
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
|
|
|
|
F0 f = FUNCTION_CAST<F0>(code->entry());
|
|
int res = f();
|
|
CHECK_EQ(42, res);
|
|
}
|
|
|
|
|
|
#ifdef __GNUC__
|
|
#define ELEMENT_COUNT 4u
|
|
|
|
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 (unsigned i = 0; i < ELEMENT_COUNT; i++) {
|
|
__ movl(rax, Immediate(vec->Get(i)->Int32Value()));
|
|
__ shlq(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);
|
|
Handle<Code> code = isolate->factory()->NewCode(
|
|
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
|
|
|
|
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, v8::base::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 (unsigned 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);
|
|
Handle<Code> code = isolate->factory()->NewCode(
|
|
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
|
|
#ifdef OBJECT_PRINT
|
|
OFStream os(stdout);
|
|
code->Print(os);
|
|
#endif
|
|
|
|
F3 f = FUNCTION_CAST<F3>(code->entry());
|
|
uint64_t value1 = V8_2PART_UINT64_C(0x12345678, 87654321);
|
|
CHECK_EQ(0x12345678u, f(uint64_to_double(value1)));
|
|
uint64_t value2 = V8_2PART_UINT64_C(0x87654321, 12345678);
|
|
CHECK_EQ(0x87654321u, 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);
|
|
Handle<Code> code = isolate->factory()->NewCode(
|
|
desc,
|
|
Code::ComputeFlags(Code::STUB),
|
|
Handle<Code>());
|
|
#ifdef OBJECT_PRINT
|
|
OFStream os(stdout);
|
|
code->Print(os);
|
|
#endif
|
|
|
|
F6 f = FUNCTION_CAST<F6>(code->entry());
|
|
CHECK_EQ(2, f(1.0, 2.0));
|
|
}
|
|
|
|
|
|
typedef int (*F7)(double x, double y, double z);
|
|
TEST(AssemblerX64FMA_sd) {
|
|
CcTest::InitializeVM();
|
|
if (!CpuFeatures::IsSupported(FMA3)) return;
|
|
|
|
Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate());
|
|
HandleScope scope(isolate);
|
|
v8::internal::byte buffer[1024];
|
|
MacroAssembler assm(isolate, buffer, sizeof buffer);
|
|
{
|
|
CpuFeatureScope fscope(&assm, FMA3);
|
|
Label exit;
|
|
// argument in xmm0, xmm1 and xmm2
|
|
// xmm0 * xmm1 + xmm2
|
|
__ movaps(xmm3, xmm0);
|
|
__ mulsd(xmm3, xmm1);
|
|
__ addsd(xmm3, xmm2); // Expected result in xmm3
|
|
|
|
__ subq(rsp, Immediate(kDoubleSize)); // For memory operand
|
|
// vfmadd132sd
|
|
__ movl(rax, Immediate(1)); // Test number
|
|
__ movaps(xmm8, xmm0);
|
|
__ vfmadd132sd(xmm8, xmm2, xmm1);
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfmadd213sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm1);
|
|
__ vfmadd213sd(xmm8, xmm0, xmm2);
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfmadd231sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm2);
|
|
__ vfmadd231sd(xmm8, xmm0, xmm1);
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
|
|
// vfmadd132sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm0);
|
|
__ movsd(Operand(rsp, 0), xmm1);
|
|
__ vfmadd132sd(xmm8, xmm2, Operand(rsp, 0));
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfmadd213sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm1);
|
|
__ movsd(Operand(rsp, 0), xmm2);
|
|
__ vfmadd213sd(xmm8, xmm0, Operand(rsp, 0));
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfmadd231sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm2);
|
|
__ movsd(Operand(rsp, 0), xmm1);
|
|
__ vfmadd231sd(xmm8, xmm0, Operand(rsp, 0));
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
|
|
// xmm0 * xmm1 - xmm2
|
|
__ movaps(xmm3, xmm0);
|
|
__ mulsd(xmm3, xmm1);
|
|
__ subsd(xmm3, xmm2); // Expected result in xmm3
|
|
|
|
// vfmsub132sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm0);
|
|
__ vfmsub132sd(xmm8, xmm2, xmm1);
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfmadd213sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm1);
|
|
__ vfmsub213sd(xmm8, xmm0, xmm2);
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfmsub231sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm2);
|
|
__ vfmsub231sd(xmm8, xmm0, xmm1);
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
|
|
// vfmsub132sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm0);
|
|
__ movsd(Operand(rsp, 0), xmm1);
|
|
__ vfmsub132sd(xmm8, xmm2, Operand(rsp, 0));
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfmsub213sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm1);
|
|
__ movsd(Operand(rsp, 0), xmm2);
|
|
__ vfmsub213sd(xmm8, xmm0, Operand(rsp, 0));
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfmsub231sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm2);
|
|
__ movsd(Operand(rsp, 0), xmm1);
|
|
__ vfmsub231sd(xmm8, xmm0, Operand(rsp, 0));
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
|
|
|
|
// - xmm0 * xmm1 + xmm2
|
|
__ movaps(xmm3, xmm0);
|
|
__ mulsd(xmm3, xmm1);
|
|
__ Move(xmm4, (uint64_t)1 << 63);
|
|
__ xorpd(xmm3, xmm4);
|
|
__ addsd(xmm3, xmm2); // Expected result in xmm3
|
|
|
|
// vfnmadd132sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm0);
|
|
__ vfnmadd132sd(xmm8, xmm2, xmm1);
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfmadd213sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm1);
|
|
__ vfnmadd213sd(xmm8, xmm0, xmm2);
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfnmadd231sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm2);
|
|
__ vfnmadd231sd(xmm8, xmm0, xmm1);
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
|
|
// vfnmadd132sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm0);
|
|
__ movsd(Operand(rsp, 0), xmm1);
|
|
__ vfnmadd132sd(xmm8, xmm2, Operand(rsp, 0));
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfnmadd213sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm1);
|
|
__ movsd(Operand(rsp, 0), xmm2);
|
|
__ vfnmadd213sd(xmm8, xmm0, Operand(rsp, 0));
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfnmadd231sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm2);
|
|
__ movsd(Operand(rsp, 0), xmm1);
|
|
__ vfnmadd231sd(xmm8, xmm0, Operand(rsp, 0));
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
|
|
|
|
// - xmm0 * xmm1 - xmm2
|
|
__ movaps(xmm3, xmm0);
|
|
__ mulsd(xmm3, xmm1);
|
|
__ Move(xmm4, (uint64_t)1 << 63);
|
|
__ xorpd(xmm3, xmm4);
|
|
__ subsd(xmm3, xmm2); // Expected result in xmm3
|
|
|
|
// vfnmsub132sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm0);
|
|
__ vfnmsub132sd(xmm8, xmm2, xmm1);
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfmsub213sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm1);
|
|
__ vfnmsub213sd(xmm8, xmm0, xmm2);
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfnmsub231sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm2);
|
|
__ vfnmsub231sd(xmm8, xmm0, xmm1);
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
|
|
// vfnmsub132sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm0);
|
|
__ movsd(Operand(rsp, 0), xmm1);
|
|
__ vfnmsub132sd(xmm8, xmm2, Operand(rsp, 0));
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfnmsub213sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm1);
|
|
__ movsd(Operand(rsp, 0), xmm2);
|
|
__ vfnmsub213sd(xmm8, xmm0, Operand(rsp, 0));
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfnmsub231sd
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm2);
|
|
__ movsd(Operand(rsp, 0), xmm1);
|
|
__ vfnmsub231sd(xmm8, xmm0, Operand(rsp, 0));
|
|
__ ucomisd(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
|
|
|
|
__ xorl(rax, rax);
|
|
__ bind(&exit);
|
|
__ addq(rsp, Immediate(kDoubleSize));
|
|
__ ret(0);
|
|
}
|
|
|
|
CodeDesc desc;
|
|
assm.GetCode(&desc);
|
|
Handle<Code> code = isolate->factory()->NewCode(
|
|
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
|
|
#ifdef OBJECT_PRINT
|
|
OFStream os(stdout);
|
|
code->Print(os);
|
|
#endif
|
|
|
|
F7 f = FUNCTION_CAST<F7>(code->entry());
|
|
CHECK_EQ(0, f(0.000092662107262076, -2.460774966188315, -1.0958787393627414));
|
|
}
|
|
|
|
|
|
typedef int (*F8)(float x, float y, float z);
|
|
TEST(AssemblerX64FMA_ss) {
|
|
CcTest::InitializeVM();
|
|
if (!CpuFeatures::IsSupported(FMA3)) return;
|
|
|
|
Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate());
|
|
HandleScope scope(isolate);
|
|
v8::internal::byte buffer[1024];
|
|
MacroAssembler assm(isolate, buffer, sizeof buffer);
|
|
{
|
|
CpuFeatureScope fscope(&assm, FMA3);
|
|
Label exit;
|
|
// arguments in xmm0, xmm1 and xmm2
|
|
// xmm0 * xmm1 + xmm2
|
|
__ movaps(xmm3, xmm0);
|
|
__ mulss(xmm3, xmm1);
|
|
__ addss(xmm3, xmm2); // Expected result in xmm3
|
|
|
|
__ subq(rsp, Immediate(kDoubleSize)); // For memory operand
|
|
// vfmadd132ss
|
|
__ movl(rax, Immediate(1)); // Test number
|
|
__ movaps(xmm8, xmm0);
|
|
__ vfmadd132ss(xmm8, xmm2, xmm1);
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfmadd213ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm1);
|
|
__ vfmadd213ss(xmm8, xmm0, xmm2);
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfmadd231ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm2);
|
|
__ vfmadd231ss(xmm8, xmm0, xmm1);
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
|
|
// vfmadd132ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm0);
|
|
__ movss(Operand(rsp, 0), xmm1);
|
|
__ vfmadd132ss(xmm8, xmm2, Operand(rsp, 0));
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfmadd213ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm1);
|
|
__ movss(Operand(rsp, 0), xmm2);
|
|
__ vfmadd213ss(xmm8, xmm0, Operand(rsp, 0));
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfmadd231ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm2);
|
|
__ movss(Operand(rsp, 0), xmm1);
|
|
__ vfmadd231ss(xmm8, xmm0, Operand(rsp, 0));
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
|
|
// xmm0 * xmm1 - xmm2
|
|
__ movaps(xmm3, xmm0);
|
|
__ mulss(xmm3, xmm1);
|
|
__ subss(xmm3, xmm2); // Expected result in xmm3
|
|
|
|
// vfmsub132ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm0);
|
|
__ vfmsub132ss(xmm8, xmm2, xmm1);
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfmadd213ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm1);
|
|
__ vfmsub213ss(xmm8, xmm0, xmm2);
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfmsub231ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm2);
|
|
__ vfmsub231ss(xmm8, xmm0, xmm1);
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
|
|
// vfmsub132ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm0);
|
|
__ movss(Operand(rsp, 0), xmm1);
|
|
__ vfmsub132ss(xmm8, xmm2, Operand(rsp, 0));
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfmsub213ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm1);
|
|
__ movss(Operand(rsp, 0), xmm2);
|
|
__ vfmsub213ss(xmm8, xmm0, Operand(rsp, 0));
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfmsub231ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm2);
|
|
__ movss(Operand(rsp, 0), xmm1);
|
|
__ vfmsub231ss(xmm8, xmm0, Operand(rsp, 0));
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
|
|
|
|
// - xmm0 * xmm1 + xmm2
|
|
__ movaps(xmm3, xmm0);
|
|
__ mulss(xmm3, xmm1);
|
|
__ Move(xmm4, (uint32_t)1 << 31);
|
|
__ xorps(xmm3, xmm4);
|
|
__ addss(xmm3, xmm2); // Expected result in xmm3
|
|
|
|
// vfnmadd132ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm0);
|
|
__ vfnmadd132ss(xmm8, xmm2, xmm1);
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfmadd213ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm1);
|
|
__ vfnmadd213ss(xmm8, xmm0, xmm2);
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfnmadd231ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm2);
|
|
__ vfnmadd231ss(xmm8, xmm0, xmm1);
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
|
|
// vfnmadd132ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm0);
|
|
__ movss(Operand(rsp, 0), xmm1);
|
|
__ vfnmadd132ss(xmm8, xmm2, Operand(rsp, 0));
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfnmadd213ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm1);
|
|
__ movss(Operand(rsp, 0), xmm2);
|
|
__ vfnmadd213ss(xmm8, xmm0, Operand(rsp, 0));
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfnmadd231ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm2);
|
|
__ movss(Operand(rsp, 0), xmm1);
|
|
__ vfnmadd231ss(xmm8, xmm0, Operand(rsp, 0));
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
|
|
|
|
// - xmm0 * xmm1 - xmm2
|
|
__ movaps(xmm3, xmm0);
|
|
__ mulss(xmm3, xmm1);
|
|
__ Move(xmm4, (uint32_t)1 << 31);
|
|
__ xorps(xmm3, xmm4);
|
|
__ subss(xmm3, xmm2); // Expected result in xmm3
|
|
|
|
// vfnmsub132ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm0);
|
|
__ vfnmsub132ss(xmm8, xmm2, xmm1);
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfmsub213ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm1);
|
|
__ vfnmsub213ss(xmm8, xmm0, xmm2);
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfnmsub231ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm2);
|
|
__ vfnmsub231ss(xmm8, xmm0, xmm1);
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
|
|
// vfnmsub132ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm0);
|
|
__ movss(Operand(rsp, 0), xmm1);
|
|
__ vfnmsub132ss(xmm8, xmm2, Operand(rsp, 0));
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfnmsub213ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm1);
|
|
__ movss(Operand(rsp, 0), xmm2);
|
|
__ vfnmsub213ss(xmm8, xmm0, Operand(rsp, 0));
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
// vfnmsub231ss
|
|
__ incq(rax);
|
|
__ movaps(xmm8, xmm2);
|
|
__ movss(Operand(rsp, 0), xmm1);
|
|
__ vfnmsub231ss(xmm8, xmm0, Operand(rsp, 0));
|
|
__ ucomiss(xmm8, xmm3);
|
|
__ j(not_equal, &exit);
|
|
|
|
|
|
__ xorl(rax, rax);
|
|
__ bind(&exit);
|
|
__ addq(rsp, Immediate(kDoubleSize));
|
|
__ ret(0);
|
|
}
|
|
|
|
CodeDesc desc;
|
|
assm.GetCode(&desc);
|
|
Handle<Code> code = isolate->factory()->NewCode(
|
|
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
|
|
#ifdef OBJECT_PRINT
|
|
OFStream os(stdout);
|
|
code->Print(os);
|
|
#endif
|
|
|
|
F8 f = FUNCTION_CAST<F8>(code->entry());
|
|
CHECK_EQ(0, f(9.26621069e-05f, -2.4607749f, -1.09587872f));
|
|
}
|
|
|
|
|
|
TEST(AssemblerX64JumpTables1) {
|
|
// Test jump tables with forward jumps.
|
|
CcTest::InitializeVM();
|
|
Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate());
|
|
HandleScope scope(isolate);
|
|
MacroAssembler assm(isolate, nullptr, 0);
|
|
|
|
const int kNumCases = 512;
|
|
int values[kNumCases];
|
|
isolate->random_number_generator()->NextBytes(values, sizeof(values));
|
|
Label labels[kNumCases];
|
|
|
|
Label done, table;
|
|
__ leaq(arg2, Operand(&table));
|
|
__ jmp(Operand(arg2, arg1, times_8, 0));
|
|
__ ud2();
|
|
__ bind(&table);
|
|
for (int i = 0; i < kNumCases; ++i) {
|
|
__ dq(&labels[i]);
|
|
}
|
|
|
|
for (int i = 0; i < kNumCases; ++i) {
|
|
__ bind(&labels[i]);
|
|
__ movq(rax, Immediate(values[i]));
|
|
__ jmp(&done);
|
|
}
|
|
|
|
__ bind(&done);
|
|
__ ret(0);
|
|
|
|
CodeDesc desc;
|
|
assm.GetCode(&desc);
|
|
Handle<Code> code = isolate->factory()->NewCode(
|
|
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
|
|
#ifdef OBJECT_PRINT
|
|
code->Print(std::cout);
|
|
#endif
|
|
|
|
F1 f = FUNCTION_CAST<F1>(code->entry());
|
|
for (int i = 0; i < kNumCases; ++i) {
|
|
int res = f(i);
|
|
PrintF("f(%d) = %d\n", i, res);
|
|
CHECK_EQ(values[i], res);
|
|
}
|
|
}
|
|
|
|
|
|
TEST(AssemblerX64JumpTables2) {
|
|
// Test jump tables with backwards jumps.
|
|
CcTest::InitializeVM();
|
|
Isolate* isolate = reinterpret_cast<Isolate*>(CcTest::isolate());
|
|
HandleScope scope(isolate);
|
|
MacroAssembler assm(isolate, nullptr, 0);
|
|
|
|
const int kNumCases = 512;
|
|
int values[kNumCases];
|
|
isolate->random_number_generator()->NextBytes(values, sizeof(values));
|
|
Label labels[kNumCases];
|
|
|
|
Label done, table;
|
|
__ leaq(arg2, Operand(&table));
|
|
__ jmp(Operand(arg2, arg1, times_8, 0));
|
|
__ ud2();
|
|
|
|
for (int i = 0; i < kNumCases; ++i) {
|
|
__ bind(&labels[i]);
|
|
__ movq(rax, Immediate(values[i]));
|
|
__ jmp(&done);
|
|
}
|
|
|
|
__ bind(&done);
|
|
__ ret(0);
|
|
|
|
__ bind(&table);
|
|
for (int i = 0; i < kNumCases; ++i) {
|
|
__ dq(&labels[i]);
|
|
}
|
|
|
|
CodeDesc desc;
|
|
assm.GetCode(&desc);
|
|
Handle<Code> code = isolate->factory()->NewCode(
|
|
desc, Code::ComputeFlags(Code::STUB), Handle<Code>());
|
|
#ifdef OBJECT_PRINT
|
|
code->Print(std::cout);
|
|
#endif
|
|
|
|
F1 f = FUNCTION_CAST<F1>(code->entry());
|
|
for (int i = 0; i < kNumCases; ++i) {
|
|
int res = f(i);
|
|
PrintF("f(%d) = %d\n", i, res);
|
|
CHECK_EQ(values[i], res);
|
|
}
|
|
}
|
|
|
|
#undef __
|
|
|