Revert "Add signed/unsigned 8-bit and 16-bit Representations to Crankshaft"

test/cctest/test-macro-assembler-ia32.cc

-// Copyright 2013 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
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#include <stdlib.h>
-
-#include "v8.h"
-
-#include "macro-assembler.h"
-#include "factory.h"
-#include "platform.h"
-#include "serialize.h"
-#include "cctest.h"
-
-using namespace v8::internal;
-
-#if __GNUC__
-#define STDCALL  __attribute__((stdcall))
-#else
-#define STDCALL  __stdcall
-#endif
-
-typedef int STDCALL F0Type();
-typedef F0Type* F0;
-
-#define __ masm->
-
-
-TEST(LoadAndStoreWithRepresentation) {
-  v8::internal::V8::Initialize(NULL);
-
-  // Allocate an executable page of memory.
-  size_t actual_size;
-  byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
-                                                 &actual_size,
-                                                 true));
-  CHECK(buffer);
-  Isolate* isolate = CcTest::i_isolate();
-  HandleScope handles(isolate);
-  MacroAssembler assembler(isolate, buffer, static_cast<int>(actual_size));
-  MacroAssembler* masm = &assembler;  // Create a pointer for the __ macro.
-  masm->set_allow_stub_calls(false);
-  __ push(ebx);
-  __ push(edx);
-  __ sub(esp, Immediate(1 * kPointerSize));
-  Label exit;
-
-  // Test 1.
-  __ mov(eax, Immediate(1));  // Test number.
-  __ mov(Operand(esp, 0 * kPointerSize), Immediate(0));
-  __ mov(ebx, Immediate(-1));
-  __ Store(ebx, Operand(esp, 0 * kPointerSize), Representation::UInteger8());
-  __ mov(ebx, Operand(esp, 0 * kPointerSize));
-  __ mov(edx, Immediate(255));
-  __ cmp(ebx, edx);
-  __ j(not_equal, &exit);
-  __ Load(ebx, Operand(esp, 0 * kPointerSize), Representation::UInteger8());
-  __ cmp(ebx, edx);
-  __ j(not_equal, &exit);
-
-
-  // Test 2.
-  __ mov(eax, Immediate(2));  // Test number.
-  __ mov(Operand(esp, 0 * kPointerSize), Immediate(0));
-  __ mov(ebx, Immediate(-1));
-  __ Store(ebx, Operand(esp, 0 * kPointerSize), Representation::Integer8());
-  __ mov(ebx, Operand(esp, 0 * kPointerSize));
-  __ mov(edx, Immediate(255));
-  __ cmp(ebx, edx);
-  __ j(not_equal, &exit);
-  __ Load(ebx, Operand(esp, 0 * kPointerSize), Representation::Integer8());
-  __ mov(edx, Immediate(-1));
-  __ cmp(ebx, edx);
-  __ j(not_equal, &exit);
-
-  // Test 3.
-  __ mov(eax, Immediate(3));  // Test number.
-  __ mov(Operand(esp, 0 * kPointerSize), Immediate(0));
-  __ mov(ebx, Immediate(-1));
-  __ Store(ebx, Operand(esp, 0 * kPointerSize), Representation::Integer16());
-  __ mov(ebx, Operand(esp, 0 * kPointerSize));
-  __ mov(edx, Immediate(65535));
-  __ cmp(ebx, edx);
-  __ j(not_equal, &exit);
-  __ Load(edx, Operand(esp, 0 * kPointerSize), Representation::Integer16());
-  __ mov(ebx, Immediate(-1));
-  __ cmp(ebx, edx);
-  __ j(not_equal, &exit);
-
-  // Test 4.
-  __ mov(eax, Immediate(4));  // Test number.
-  __ mov(Operand(esp, 0 * kPointerSize), Immediate(0));
-  __ mov(ebx, Immediate(-1));
-  __ Store(ebx, Operand(esp, 0 * kPointerSize), Representation::UInteger16());
-  __ mov(ebx, Operand(esp, 0 * kPointerSize));
-  __ mov(edx, Immediate(65535));
-  __ cmp(ebx, edx);
-  __ j(not_equal, &exit);
-  __ Load(edx, Operand(esp, 0 * kPointerSize), Representation::UInteger16());
-  __ cmp(ebx, edx);
-  __ j(not_equal, &exit);
-
-  __ xor_(eax, eax);  // Success.
-  __ bind(&exit);
-  __ add(esp, Immediate(1 * kPointerSize));
-  __ pop(edx);
-  __ pop(ebx);
-  __ ret(0);
-
-  CodeDesc desc;
-  masm->GetCode(&desc);
-  // Call the function from C++.
-  int result = FUNCTION_CAST<F0>(buffer)();
-  CHECK_EQ(0, result);
-}
-
-#undef __