Introduce xchgl, orl, roll, subl, testl and xorl into X64 assembler

test/cctest/test-assembler-x64.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 33 matching lines @@
 // in RDI, RSI, RDX, RCX, R8, and R9, and floating point arguments in
 // the XMM registers.  The return value is in RAX.
 // This calling convention is used on Linux, with GCC, and on Mac OS,
 // with GCC.  A different convention is used on 64-bit windows,
 // where the first four integer arguments are passed in RCX, RDX, R8 and R9.
 
 typedef int (*F0)();
 typedef int (*F1)(int64_t x);
 typedef int (*F2)(int64_t x, int64_t y);
 typedef int (*F3)(double x);
+typedef int64_t (*F4)(int64_t* x, int64_t* y);
+typedef int64_t (*F5)(int64_t x);
 
 #ifdef _WIN64
 static const Register arg1 = rcx;
 static const Register arg2 = rdx;
 #else
 static const Register arg1 = rdi;
 static const Register arg2 = rsi;
 #endif
 
 #define __ assm.
@@ skipping 96 matching lines @@
   // Call the function from C++.
   int result =  FUNCTION_CAST<F2>(buffer)(3, 2);
   CHECK_EQ(0, result);
   result =  FUNCTION_CAST<F2>(buffer)(0x100000000l, 0x100000000l);
   CHECK_EQ(1, result);
   result =  FUNCTION_CAST<F2>(buffer)(-0x100000000l, 0x100000000l);
   CHECK_EQ(-1, result);
 }
 
 
+TEST(AssemblerX64XchglOperations) {
+  // Allocate an executable page of memory.
+  size_t actual_size;
+  byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
+                                                 &actual_size,
+                                                 true));
+  CHECK(buffer);
+  Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size));
+
+  __ movq(rax, Operand(arg1, 0));
+  __ movq(rbx, Operand(arg2, 0));
+  __ xchgl(rax, rbx);
+  __ movq(Operand(arg1, 0), rax);
+  __ movq(Operand(arg2, 0), rbx);
+  __ ret(0);
+
+  CodeDesc desc;
+  assm.GetCode(&desc);
+  // Call the function from C++.
+  int64_t left   = V8_2PART_UINT64_C(0x10000000, 20000000);
+  int64_t right  = V8_2PART_UINT64_C(0x30000000, 40000000);
+  int64_t result = FUNCTION_CAST<F4>(buffer)(&left, &right);
+  CHECK_EQ(V8_2PART_UINT64_C(0x00000000, 40000000), left);
+  CHECK_EQ(V8_2PART_UINT64_C(0x00000000, 20000000), right);
+  USE(result);
+}
+
+
+TEST(AssemblerX64OrlOperations) {
+  // Allocate an executable page of memory.
+  size_t actual_size;
+  byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
+                                                 &actual_size,
+                                                 true));
+  CHECK(buffer);
+  Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size));
+
+  __ movq(rax, Operand(arg2, 0));
+  __ orl(Operand(arg1, 0), rax);
+  __ ret(0);
+
+  CodeDesc desc;
+  assm.GetCode(&desc);
+  // Call the function from C++.
+  int64_t left   = V8_2PART_UINT64_C(0x10000000, 20000000);
+  int64_t right  = V8_2PART_UINT64_C(0x30000000, 40000000);
+  int64_t result = FUNCTION_CAST<F4>(buffer)(&left, &right);
+  CHECK_EQ(V8_2PART_UINT64_C(0x10000000, 60000000), left);
+  USE(result);
+}
+
+
+TEST(AssemblerX64RollOperations) {
+  // Allocate an executable page of memory.
+  size_t actual_size;
+  byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
+                                                 &actual_size,
+                                                 true));
+  CHECK(buffer);
+  Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size));
+
+  __ movq(rax, arg1);
+  __ roll(rax, Immediate(1));
+  __ ret(0);
+
+  CodeDesc desc;
+  assm.GetCode(&desc);
+  // Call the function from C++.
+  int64_t src    = V8_2PART_UINT64_C(0x10000000, C0000000);
+  int64_t result = FUNCTION_CAST<F5>(buffer)(src);
+  CHECK_EQ(V8_2PART_UINT64_C(0x00000000, 80000001), result);
+}
+
+
+TEST(AssemblerX64SublOperations) {
+  // Allocate an executable page of memory.
+  size_t actual_size;
+  byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
+                                                 &actual_size,
+                                                 true));
+  CHECK(buffer);
+  Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size));
+
+  __ movq(rax, Operand(arg2, 0));
+  __ subl(Operand(arg1, 0), rax);
+  __ ret(0);
+
+  CodeDesc desc;
+  assm.GetCode(&desc);
+  // Call the function from C++.
+  int64_t left   = V8_2PART_UINT64_C(0x10000000, 20000000);
+  int64_t right  = V8_2PART_UINT64_C(0x30000000, 40000000);
+  int64_t result = FUNCTION_CAST<F4>(buffer)(&left, &right);
+  CHECK_EQ(V8_2PART_UINT64_C(0x10000000, e0000000), left);
+  USE(result);
+}
+
+
+TEST(AssemblerX64TestlOperations) {
+  // Allocate an executable page of memory.
+  size_t actual_size;
+  byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
+                                                 &actual_size,
+                                                 true));
+  CHECK(buffer);
+  Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size));
+
+  // Set rax with the ZF flag of the testl instruction.
+  Label done;
+  __ movq(rax, Immediate(1));
+  __ movq(rbx, Operand(arg2, 0));
+  __ testl(Operand(arg1, 0), rbx);
+  __ j(zero, &done, Label::kNear);
+  __ movq(rax, Immediate(0));
+  __ bind(&done);
+  __ ret(0);
+
+  CodeDesc desc;
+  assm.GetCode(&desc);
+  // Call the function from C++.
+  int64_t left   = V8_2PART_UINT64_C(0x10000000, 20000000);
+  int64_t right  = V8_2PART_UINT64_C(0x30000000, 00000000);
+  int64_t result = FUNCTION_CAST<F4>(buffer)(&left, &right);
+  CHECK_EQ(static_cast<int64_t>(1), result);
+}
+
+
+TEST(AssemblerX64XorlOperations) {
+  // Allocate an executable page of memory.
+  size_t actual_size;
+  byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
+                                                 &actual_size,
+                                                 true));
+  CHECK(buffer);
+  Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size));
+
+  __ movq(rax, Operand(arg2, 0));
+  __ xorl(Operand(arg1, 0), rax);
+  __ ret(0);
+
+  CodeDesc desc;
+  assm.GetCode(&desc);
+  // Call the function from C++.
+  int64_t left   = V8_2PART_UINT64_C(0x10000000, 20000000);
+  int64_t right  = V8_2PART_UINT64_C(0x30000000, 60000000);
+  int64_t result = FUNCTION_CAST<F4>(buffer)(&left, &right);
+  CHECK_EQ(V8_2PART_UINT64_C(0x10000000, 40000000), left);
+  USE(result);
+}
+
+
 TEST(AssemblerX64MemoryOperands) {
   // Allocate an executable page of memory.
   size_t actual_size;
   byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
                                                  &actual_size,
                                                  true));
   CHECK(buffer);
   Assembler assm(CcTest::i_isolate(), buffer, static_cast<int>(actual_size));
 
   // Assemble a simple function that copies argument 2 and returns it.
@@ skipping 337 matching lines @@
 
   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)));
 }
 
 
 #undef __