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1 /* | |
2 * Copyright (C) 2006, 2007, 2008, 2009, 2013 Apple Inc. All rights reserved. | |
3 * Copyright (C) 2007-2009 Torch Mobile, Inc. | |
4 * Copyright (C) 2010, 2011 Research In Motion Limited. All rights reserved. | |
5 * Copyright (C) 2013 Samsung Electronics. All rights reserved. | |
6 * | |
7 * Redistribution and use in source and binary forms, with or without | |
8 * modification, are permitted provided that the following conditions | |
9 * are met: | |
10 * 1. Redistributions of source code must retain the above copyright | |
11 * notice, this list of conditions and the following disclaimer. | |
12 * 2. Redistributions in binary form must reproduce the above copyright | |
13 * notice, this list of conditions and the following disclaimer in the | |
14 * documentation and/or other materials provided with the distribution. | |
15 * | |
16 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
27 */ | |
28 | |
29 #ifndef WTF_CPU_h | |
30 #define WTF_CPU_h | |
31 | |
32 #include <wtf/Compiler.h> | |
lgombos
2013/05/17 19:19:45
This should be "wtf/Compiler.h".
| |
33 | |
34 /* CPU() - the target CPU architecture */ | |
35 #define CPU(WTF_FEATURE) (defined WTF_CPU_##WTF_FEATURE && WTF_CPU_##WTF_FEATUR E) | |
36 | |
37 /* ==== CPU() - the target CPU architecture ==== */ | |
38 | |
39 /* This also defines CPU(BIG_ENDIAN) or CPU(MIDDLE_ENDIAN) or neither, as approp riate. */ | |
40 | |
41 /* CPU(ALPHA) - DEC Alpha */ | |
42 #if defined(__alpha__) | |
43 #define WTF_CPU_ALPHA 1 | |
44 #endif | |
45 | |
46 /* CPU(IA64) - Itanium / IA-64 */ | |
47 #if defined(__ia64__) | |
48 #define WTF_CPU_IA64 1 | |
49 #endif | |
50 | |
51 /* CPU(MIPS) - MIPS 32-bit */ | |
52 /* Note: Only O32 ABI is tested, so we enable it for O32 ABI for now. */ | |
53 #if (defined(mips) || defined(__mips__) || defined(MIPS) || defined(_MIPS_)) \ | |
54 && defined(_ABIO32) | |
55 #define WTF_CPU_MIPS 1 | |
56 #if defined(__MIPSEB__) | |
57 #define WTF_CPU_BIG_ENDIAN 1 | |
58 #endif | |
59 /* MIPS requires allocators to use aligned memory */ | |
60 #define WTF_USE_ARENA_ALLOC_ALIGNMENT_INTEGER 1 | |
61 #endif /* MIPS */ | |
62 | |
63 /* CPU(PPC) - PowerPC 32-bit */ | |
64 #if defined(__ppc__) \ | |
65 || defined(__PPC__) \ | |
66 || defined(__powerpc__) \ | |
67 || defined(__powerpc) \ | |
68 || defined(__POWERPC__) \ | |
69 || defined(_M_PPC) \ | |
70 || defined(__PPC) | |
71 #define WTF_CPU_PPC 1 | |
72 #define WTF_CPU_BIG_ENDIAN 1 | |
73 #endif | |
74 | |
75 /* CPU(PPC64) - PowerPC 64-bit */ | |
76 #if defined(__ppc64__) \ | |
77 || defined(__PPC64__) | |
78 #define WTF_CPU_PPC64 1 | |
79 #define WTF_CPU_BIG_ENDIAN 1 | |
80 #endif | |
81 | |
82 /* CPU(SH4) - SuperH SH-4 */ | |
83 #if defined(__SH4__) | |
84 #define WTF_CPU_SH4 1 | |
85 #endif | |
86 | |
87 /* CPU(SPARC32) - SPARC 32-bit */ | |
88 #if defined(__sparc) && !defined(__arch64__) || defined(__sparcv8) | |
89 #define WTF_CPU_SPARC32 1 | |
90 #define WTF_CPU_BIG_ENDIAN 1 | |
91 #endif | |
92 | |
93 /* CPU(SPARC64) - SPARC 64-bit */ | |
94 #if defined(__sparc__) && defined(__arch64__) || defined (__sparcv9) | |
95 #define WTF_CPU_SPARC64 1 | |
96 #define WTF_CPU_BIG_ENDIAN 1 | |
97 #endif | |
98 | |
99 /* CPU(SPARC) - any SPARC, true for CPU(SPARC32) and CPU(SPARC64) */ | |
100 #if CPU(SPARC32) || CPU(SPARC64) | |
101 #define WTF_CPU_SPARC 1 | |
102 #endif | |
103 | |
104 /* CPU(S390X) - S390 64-bit */ | |
105 #if defined(__s390x__) | |
106 #define WTF_CPU_S390X 1 | |
107 #define WTF_CPU_BIG_ENDIAN 1 | |
108 #endif | |
109 | |
110 /* CPU(S390) - S390 32-bit */ | |
111 #if defined(__s390__) | |
112 #define WTF_CPU_S390 1 | |
113 #define WTF_CPU_BIG_ENDIAN 1 | |
114 #endif | |
115 | |
116 /* CPU(X86) - i386 / x86 32-bit */ | |
117 #if defined(__i386__) \ | |
118 || defined(i386) \ | |
119 || defined(_M_IX86) \ | |
120 || defined(_X86_) \ | |
121 || defined(__THW_INTEL) | |
122 #define WTF_CPU_X86 1 | |
123 #endif | |
124 | |
125 /* CPU(X86_64) - AMD64 / Intel64 / x86_64 64-bit */ | |
126 #if defined(__x86_64__) \ | |
127 || defined(_M_X64) | |
128 #define WTF_CPU_X86_64 1 | |
129 #endif | |
130 | |
131 /* CPU(ARM) - ARM, any version*/ | |
132 #define WTF_ARM_ARCH_AT_LEAST(N) (CPU(ARM) && defined(WTF_ARM_ARCH_VERSION) && W TF_ARM_ARCH_VERSION >= N) | |
133 | |
134 #if defined(arm) \ | |
135 || defined(__arm__) \ | |
136 || defined(ARM) \ | |
137 || defined(_ARM_) | |
138 #define WTF_CPU_ARM 1 | |
139 | |
140 #if defined(__ARMEB__) | |
141 #define WTF_CPU_BIG_ENDIAN 1 | |
142 | |
143 #elif !defined(__ARM_EABI__) \ | |
144 && !defined(__EABI__) \ | |
145 && !defined(__VFP_FP__) \ | |
146 && !defined(_WIN32_WCE) \ | |
147 && !defined(ANDROID) | |
148 #define WTF_CPU_MIDDLE_ENDIAN 1 | |
149 | |
150 #endif | |
151 | |
152 /* Set WTF_ARM_ARCH_VERSION */ | |
153 #if defined(__ARM_ARCH_4__) \ | |
154 || defined(__ARM_ARCH_4T__) \ | |
155 || defined(__MARM_ARMV4__) | |
156 #define WTF_ARM_ARCH_VERSION 4 | |
157 | |
158 #elif defined(__ARM_ARCH_5__) \ | |
159 || defined(__ARM_ARCH_5T__) \ | |
160 || defined(__MARM_ARMV5__) | |
161 #define WTF_ARM_ARCH_VERSION 5 | |
162 | |
163 #elif defined(__ARM_ARCH_5E__) \ | |
164 || defined(__ARM_ARCH_5TE__) \ | |
165 || defined(__ARM_ARCH_5TEJ__) | |
166 #define WTF_ARM_ARCH_VERSION 5 | |
167 /*ARMv5TE requires allocators to use aligned memory*/ | |
168 #define WTF_USE_ARENA_ALLOC_ALIGNMENT_INTEGER 1 | |
169 | |
170 #elif defined(__ARM_ARCH_6__) \ | |
171 || defined(__ARM_ARCH_6J__) \ | |
172 || defined(__ARM_ARCH_6K__) \ | |
173 || defined(__ARM_ARCH_6Z__) \ | |
174 || defined(__ARM_ARCH_6ZK__) \ | |
175 || defined(__ARM_ARCH_6T2__) \ | |
176 || defined(__ARMV6__) | |
177 #define WTF_ARM_ARCH_VERSION 6 | |
178 | |
179 #elif defined(__ARM_ARCH_7A__) \ | |
180 || defined(__ARM_ARCH_7R__) \ | |
181 || defined(__ARM_ARCH_7S__) | |
182 #define WTF_ARM_ARCH_VERSION 7 | |
183 | |
184 /* MSVC sets _M_ARM */ | |
185 #elif defined(_M_ARM) | |
186 #define WTF_ARM_ARCH_VERSION _M_ARM | |
187 #else | |
188 #define WTF_ARM_ARCH_VERSION 0 | |
189 | |
190 #endif | |
191 | |
192 /* Set WTF_THUMB_ARCH_VERSION */ | |
193 #if defined(__ARM_ARCH_4T__) | |
194 #define WTF_THUMB_ARCH_VERSION 1 | |
195 | |
196 #elif defined(__ARM_ARCH_5T__) \ | |
197 || defined(__ARM_ARCH_5TE__) \ | |
198 || defined(__ARM_ARCH_5TEJ__) | |
199 #define WTF_THUMB_ARCH_VERSION 2 | |
200 | |
201 #elif defined(__ARM_ARCH_6J__) \ | |
202 || defined(__ARM_ARCH_6K__) \ | |
203 || defined(__ARM_ARCH_6Z__) \ | |
204 || defined(__ARM_ARCH_6ZK__) \ | |
205 || defined(__ARM_ARCH_6M__) | |
206 #define WTF_THUMB_ARCH_VERSION 3 | |
207 | |
208 #elif defined(__ARM_ARCH_6T2__) \ | |
209 || defined(__ARM_ARCH_7__) \ | |
210 || defined(__ARM_ARCH_7A__) \ | |
211 || defined(__ARM_ARCH_7M__) \ | |
212 || defined(__ARM_ARCH_7R__) \ | |
213 || defined(__ARM_ARCH_7S__) | |
214 #define WTF_THUMB_ARCH_VERSION 4 | |
215 | |
216 #else | |
217 #define WTF_THUMB_ARCH_VERSION 0 | |
218 #endif | |
219 | |
220 | |
221 /* CPU(ARM_TRADITIONAL) - Thumb2 is not available, only traditional ARM (v4 or g reater) */ | |
222 /* CPU(ARM_THUMB2) - Thumb2 instruction set is available */ | |
223 /* Only one of these will be defined. */ | |
224 #if !defined(WTF_CPU_ARM_TRADITIONAL) && !defined(WTF_CPU_ARM_THUMB2) | |
225 # if defined(thumb2) || defined(__thumb2__) \ | |
226 || ((defined(__thumb) || defined(__thumb__)) && WTF_THUMB_ARCH_VERSION == 4) | |
227 # define WTF_CPU_ARM_TRADITIONAL 0 | |
228 # define WTF_CPU_ARM_THUMB2 1 | |
229 # elif WTF_ARM_ARCH_AT_LEAST(4) | |
230 # define WTF_CPU_ARM_TRADITIONAL 1 | |
231 # define WTF_CPU_ARM_THUMB2 0 | |
232 # else | |
233 # error "Not supported ARM architecture" | |
234 # endif | |
235 #elif CPU(ARM_TRADITIONAL) && CPU(ARM_THUMB2) /* Sanity Check */ | |
236 # error "Cannot use both of WTF_CPU_ARM_TRADITIONAL and WTF_CPU_ARM_THUMB2 plat forms" | |
237 #endif /* !defined(WTF_CPU_ARM_TRADITIONAL) && !defined(WTF_CPU_ARM_THUMB2) */ | |
238 | |
239 #if defined(__ARM_NEON__) && !defined(WTF_CPU_ARM_NEON) | |
240 #define WTF_CPU_ARM_NEON 1 | |
241 #endif | |
242 | |
243 #if CPU(ARM_NEON) && (!COMPILER(GCC) || GCC_VERSION_AT_LEAST(4, 7, 0)) | |
244 // All NEON intrinsics usage can be disabled by this macro. | |
245 #define HAVE_ARM_NEON_INTRINSICS 1 | |
246 #endif | |
247 | |
248 #if defined(__ARM_ARCH_7S__) | |
249 #define WTF_CPU_APPLE_ARMV7S 1 | |
250 #endif | |
251 | |
252 #endif /* ARM */ | |
253 | |
254 #endif /* WTF_CPU_h */ | |
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