Move files in wtf/ to platform/wtf/ (Part 1).

third_party/WebKit/Source/wtf/CPU.h

-/*
- * Copyright (C) 2006, 2007, 2008, 2009, 2013 Apple Inc. All rights reserved.
- * Copyright (C) 2007-2009 Torch Mobile, Inc.
- * Copyright (C) 2010, 2011 Research In Motion Limited. All rights reserved.
- * Copyright (C) 2013 Samsung Electronics. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. 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.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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.
- */
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 
-#ifndef WTF_CPU_h
-#define WTF_CPU_h
+#include "platform/wtf/CPU.h"
 
-#include "wtf/Compiler.h"
-
-/* CPU() - the target CPU architecture */
-#define CPU(WTF_FEATURE) \
-  (defined WTF_CPU_##WTF_FEATURE && WTF_CPU_##WTF_FEATURE)
-
-/* ==== CPU() - the target CPU architecture ==== */
-
-/* This defines CPU(BIG_ENDIAN) or nothing, as appropriate. */
-/* This defines CPU(32BIT) or CPU(64BIT), as appropriate. */
-
-/* CPU(X86) - i386 / x86 32-bit */
-#if defined(__i386__) || defined(i386) || defined(_M_IX86) || \
-    defined(_X86_) || defined(__THW_INTEL)
-#define WTF_CPU_X86 1
-#endif
-
-/* CPU(X86_64) - AMD64 / Intel64 / x86_64 64-bit */
-#if defined(__x86_64__) || defined(_M_X64)
-#define WTF_CPU_X86_64 1
-#define WTF_CPU_64BIT 1
-#endif
-
-/* CPU(ARM) - ARM, any version*/
-#define WTF_ARM_ARCH_AT_LEAST(N) \
-  (CPU(ARM) && defined(WTF_ARM_ARCH_VERSION) && WTF_ARM_ARCH_VERSION >= N)
-
-#if defined(arm) || defined(__arm__) || defined(ARM) || defined(_ARM_)
-#define WTF_CPU_ARM 1
-
-#if defined(__ARMEB__)
-#define WTF_CPU_BIG_ENDIAN 1
-
-#elif !defined(__ARM_EABI__) && !defined(__EABI__) && !defined(__VFP_FP__) && \
-    !defined(_WIN32_WCE) && !defined(ANDROID)
-#define WTF_CPU_MIDDLE_ENDIAN 1
-
-#endif
-
-/* Set WTF_ARM_ARCH_VERSION */
-#if defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__) || \
-    defined(__MARM_ARMV4__)
-#define WTF_ARM_ARCH_VERSION 4
-
-#elif defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5T__) || \
-    defined(__MARM_ARMV5__)
-#define WTF_ARM_ARCH_VERSION 5
-
-#elif defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) || \
-    defined(__ARM_ARCH_5TEJ__)
-#define WTF_ARM_ARCH_VERSION 5
-
-#elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) ||  \
-    defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) ||   \
-    defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__) || \
-    defined(__ARMV6__)
-#define WTF_ARM_ARCH_VERSION 6
-
-#elif defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7R__) || \
-    defined(__ARM_ARCH_7S__)
-#define WTF_ARM_ARCH_VERSION 7
-
-/* MSVC sets _M_ARM */
-#elif defined(_M_ARM)
-#define WTF_ARM_ARCH_VERSION _M_ARM
-#else
-#define WTF_ARM_ARCH_VERSION 0
-
-#endif
-
-/* Set WTF_THUMB_ARCH_VERSION */
-#if defined(__ARM_ARCH_4T__)
-#define WTF_THUMB_ARCH_VERSION 1
-
-#elif defined(__ARM_ARCH_5T__) || defined(__ARM_ARCH_5TE__) || \
-    defined(__ARM_ARCH_5TEJ__)
-#define WTF_THUMB_ARCH_VERSION 2
-
-#elif defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || \
-    defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) ||  \
-    defined(__ARM_ARCH_6M__)
-#define WTF_THUMB_ARCH_VERSION 3
-
-#elif defined(__ARM_ARCH_6T2__) || defined(__ARM_ARCH_7__) || \
-    defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7M__) ||   \
-    defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7S__)
-#define WTF_THUMB_ARCH_VERSION 4
-
-#else
-#define WTF_THUMB_ARCH_VERSION 0
-#endif
-
-/* CPU(ARM_THUMB2) - Thumb2 instruction set is available */
-#if !defined(WTF_CPU_ARM_THUMB2)
-#if defined(thumb2) || defined(__thumb2__) || \
-    ((defined(__thumb) || defined(__thumb__)) && WTF_THUMB_ARCH_VERSION == 4)
-#define WTF_CPU_ARM_THUMB2 1
-#elif WTF_ARM_ARCH_AT_LEAST(4)
-#define WTF_CPU_ARM_THUMB2 0
-#else
-#error "Unsupported ARM architecture"
-#endif
-#endif /* !defined(WTF_CPU_ARM_THUMB2) */
-
-#if defined(__ARM_NEON__) && !defined(WTF_CPU_ARM_NEON)
-#define WTF_CPU_ARM_NEON 1
-#endif
-
-#if CPU(ARM_NEON) && \
-    (COMPILER(CLANG) || !COMPILER(GCC) || GCC_VERSION_AT_LEAST(4, 7, 0))
-// All NEON intrinsics usage can be disabled by this macro.
-#define HAVE_ARM_NEON_INTRINSICS 1
-#endif
-
-#endif /* ARM */
-
-/* CPU(ARM64) - AArch64 64-bit */
-#if defined(__aarch64__)
-#define WTF_CPU_ARM64 1
-#define WTF_CPU_64BIT 1
-#endif
-
-/* CPU(MIPS), CPU(MIPS64) */
-#if defined(__mips__) && (__mips == 64)
-#define WTF_CPU_MIPS64 1
-#define WTF_CPU_64BIT 1
-#elif defined(__mips__)
-#define WTF_CPU_MIPS 1
-#endif
-
-#if defined(__mips_msa) && defined(__mips_isa_rev) && (__mips_isa_rev >= 5)
-// All MSA intrinsics usage can be disabled by this macro.
-#define HAVE_MIPS_MSA_INTRINSICS 1
-#endif
-
-#if !defined(WTF_CPU_64BIT)
-#define WTF_CPU_32BIT 1
-#endif
-
-#endif /* WTF_CPU_h */
+// The contents of this header was moved to platform/wtf as part of
+// WTF migration project. See the following post for details:
+// https://groups.google.com/a/chromium.org/d/msg/blink-dev/tLdAZCTlcAA/bYXVT8gYCAAJ