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Compiler.h
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1/* Compiler.h : Compiler specific defines and pragmas
22024-01-22 : Igor Pavlov : Public domain */
3
4#ifndef ZIP7_INC_COMPILER_H
5#define ZIP7_INC_COMPILER_H
6
7#if defined(__clang__)
8# define Z7_CLANG_VERSION (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
9#endif
10#if defined(__clang__) && defined(__apple_build_version__)
11# define Z7_APPLE_CLANG_VERSION Z7_CLANG_VERSION
12#elif defined(__clang__)
13# define Z7_LLVM_CLANG_VERSION Z7_CLANG_VERSION
14#elif defined(__GNUC__)
15# define Z7_GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
16#endif
17
18#ifdef _MSC_VER
19#if !defined(__clang__) && !defined(__GNUC__)
20#define Z7_MSC_VER_ORIGINAL _MSC_VER
21#endif
22#endif
23
24#if defined(__MINGW32__) || defined(__MINGW64__)
25#define Z7_MINGW
26#endif
27
28#if defined(__LCC__) && (defined(__MCST__) || defined(__e2k__))
29#define Z7_MCST_LCC
30#define Z7_MCST_LCC_VERSION (__LCC__ * 100 + __LCC_MINOR__)
31#endif
32
33/*
34#if defined(__AVX2__) \
35 || defined(Z7_GCC_VERSION) && (Z7_GCC_VERSION >= 40900) \
36 || defined(Z7_APPLE_CLANG_VERSION) && (Z7_APPLE_CLANG_VERSION >= 40600) \
37 || defined(Z7_LLVM_CLANG_VERSION) && (Z7_LLVM_CLANG_VERSION >= 30100) \
38 || defined(Z7_MSC_VER_ORIGINAL) && (Z7_MSC_VER_ORIGINAL >= 1800) \
39 || defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 1400)
40 #define Z7_COMPILER_AVX2_SUPPORTED
41 #endif
42#endif
43*/
44
45// #pragma GCC diagnostic ignored "-Wunknown-pragmas"
46
47#ifdef __clang__
48// padding size of '' with 4 bytes to alignment boundary
49#pragma GCC diagnostic ignored "-Wpadded"
50
51#if defined(Z7_LLVM_CLANG_VERSION) && (__clang_major__ == 13) \
52 && defined(__FreeBSD__)
53// freebsd:
54#pragma GCC diagnostic ignored "-Wexcess-padding"
55#endif
56
57#if __clang_major__ >= 16
58#pragma GCC diagnostic ignored "-Wunsafe-buffer-usage"
59#endif
60
61#if __clang_major__ == 13
62#if defined(__SIZEOF_POINTER__) && (__SIZEOF_POINTER__ == 16)
63// cheri
64#pragma GCC diagnostic ignored "-Wcapability-to-integer-cast"
65#endif
66#endif
67
68#if __clang_major__ == 13
69 // for <arm_neon.h>
70 #pragma GCC diagnostic ignored "-Wreserved-identifier"
71#endif
72
73#endif // __clang__
74
75#if defined(_WIN32) && defined(__clang__) && __clang_major__ >= 16
76// #pragma GCC diagnostic ignored "-Wcast-function-type-strict"
77#define Z7_DIAGNOSTIC_IGNORE_CAST_FUNCTION \
78 _Pragma("GCC diagnostic ignored \"-Wcast-function-type-strict\"")
79#else
80#define Z7_DIAGNOSTIC_IGNORE_CAST_FUNCTION
81#endif
82
83typedef void (*Z7_void_Function)(void);
84#if defined(__clang__) || defined(__GNUC__)
85#define Z7_CAST_FUNC_C (Z7_void_Function)
86#elif defined(_MSC_VER) && _MSC_VER > 1920
87#define Z7_CAST_FUNC_C (void *)
88// #pragma warning(disable : 4191) // 'type cast': unsafe conversion from 'FARPROC' to 'void (__cdecl *)()'
89#else
90#define Z7_CAST_FUNC_C
91#endif
92/*
93#if (defined(__GNUC__) && (__GNUC__ >= 8)) || defined(__clang__)
94 // #pragma GCC diagnostic ignored "-Wcast-function-type"
95#endif
96*/
97#ifdef __GNUC__
98#if defined(Z7_GCC_VERSION) && (Z7_GCC_VERSION >= 40000) && (Z7_GCC_VERSION < 70000)
99#pragma GCC diagnostic ignored "-Wstrict-aliasing"
100#endif
101#endif
102
103
104#ifdef _MSC_VER
105
106 #ifdef UNDER_CE
107 #define RPC_NO_WINDOWS_H
108 /* #pragma warning(disable : 4115) // '_RPC_ASYNC_STATE' : named type definition in parentheses */
109 #pragma warning(disable : 4201) // nonstandard extension used : nameless struct/union
110 #pragma warning(disable : 4214) // nonstandard extension used : bit field types other than int
111 #endif
112
113#if defined(_MSC_VER) && _MSC_VER >= 1800
114#pragma warning(disable : 4464) // relative include path contains '..'
115#endif
116
117// == 1200 : -O1 : for __forceinline
118// >= 1900 : -O1 : for printf
119#pragma warning(disable : 4710) // function not inlined
120
121#if _MSC_VER < 1900
122// winnt.h: 'Int64ShllMod32'
123#pragma warning(disable : 4514) // unreferenced inline function has been removed
124#endif
125
126#if _MSC_VER < 1300
127// #pragma warning(disable : 4702) // unreachable code
128// Bra.c : -O1:
129#pragma warning(disable : 4714) // function marked as __forceinline not inlined
130#endif
131
132/*
133#if _MSC_VER > 1400 && _MSC_VER <= 1900
134// strcat: This function or variable may be unsafe
135// sysinfoapi.h: kit10: GetVersion was declared deprecated
136#pragma warning(disable : 4996)
137#endif
138*/
139
140#if _MSC_VER > 1200
141// -Wall warnings
142
143#pragma warning(disable : 4711) // function selected for automatic inline expansion
144#pragma warning(disable : 4820) // '2' bytes padding added after data member
145
146#if _MSC_VER >= 1400 && _MSC_VER < 1920
147// 1400: string.h: _DBG_MEMCPY_INLINE_
148// 1600 - 191x : smmintrin.h __cplusplus'
149// is not defined as a preprocessor macro, replacing with '0' for '#if/#elif'
150#pragma warning(disable : 4668)
151
152// 1400 - 1600 : WinDef.h : 'FARPROC' :
153// 1900 - 191x : immintrin.h: _readfsbase_u32
154// no function prototype given : converting '()' to '(void)'
155#pragma warning(disable : 4255)
156#endif
157
158#if _MSC_VER >= 1914
159// Compiler will insert Spectre mitigation for memory load if /Qspectre switch specified
160#pragma warning(disable : 5045)
161#endif
162
163#endif // _MSC_VER > 1200
164#endif // _MSC_VER
165
166
167#if defined(__clang__) && (__clang_major__ >= 4)
168 #define Z7_PRAGMA_OPT_DISABLE_LOOP_UNROLL_VECTORIZE \
169 _Pragma("clang loop unroll(disable)") \
170 _Pragma("clang loop vectorize(disable)")
171 #define Z7_ATTRIB_NO_VECTORIZE
172#elif defined(__GNUC__) && (__GNUC__ >= 5) \
173 && (!defined(Z7_MCST_LCC_VERSION) || (Z7_MCST_LCC_VERSION >= 12610))
174 #define Z7_ATTRIB_NO_VECTORIZE __attribute__((optimize("no-tree-vectorize")))
175 // __attribute__((optimize("no-unroll-loops")));
176 #define Z7_PRAGMA_OPT_DISABLE_LOOP_UNROLL_VECTORIZE
177#elif defined(_MSC_VER) && (_MSC_VER >= 1920)
178 #define Z7_PRAGMA_OPT_DISABLE_LOOP_UNROLL_VECTORIZE \
179 _Pragma("loop( no_vector )")
180 #define Z7_ATTRIB_NO_VECTORIZE
181#else
182 #define Z7_PRAGMA_OPT_DISABLE_LOOP_UNROLL_VECTORIZE
183 #define Z7_ATTRIB_NO_VECTORIZE
184#endif
185
186#if defined(MY_CPU_X86_OR_AMD64) && ( \
187 defined(__clang__) && (__clang_major__ >= 4) \
188 || defined(__GNUC__) && (__GNUC__ >= 5))
189 #define Z7_ATTRIB_NO_SSE __attribute__((__target__("no-sse")))
190#else
191 #define Z7_ATTRIB_NO_SSE
192#endif
193
194#define Z7_ATTRIB_NO_VECTOR \
195 Z7_ATTRIB_NO_VECTORIZE \
196 Z7_ATTRIB_NO_SSE
197
198
199#if defined(__clang__) && (__clang_major__ >= 8) \
200 || defined(__GNUC__) && (__GNUC__ >= 1000) \
201 /* || defined(_MSC_VER) && (_MSC_VER >= 1920) */
202 // GCC is not good for __builtin_expect()
203 #define Z7_LIKELY(x) (__builtin_expect((x), 1))
204 #define Z7_UNLIKELY(x) (__builtin_expect((x), 0))
205 // #define Z7_unlikely [[unlikely]]
206 // #define Z7_likely [[likely]]
207#else
208 #define Z7_LIKELY(x) (x)
209 #define Z7_UNLIKELY(x) (x)
210 // #define Z7_likely
211#endif
212
213
214#if (defined(Z7_CLANG_VERSION) && (Z7_CLANG_VERSION >= 30600))
215
216#if (Z7_CLANG_VERSION < 130000)
217#define Z7_DIAGNOSTIC_IGNORE_BEGIN_RESERVED_MACRO_IDENTIFIER \
218 _Pragma("GCC diagnostic push") \
219 _Pragma("GCC diagnostic ignored \"-Wreserved-id-macro\"")
220#else
221#define Z7_DIAGNOSTIC_IGNORE_BEGIN_RESERVED_MACRO_IDENTIFIER \
222 _Pragma("GCC diagnostic push") \
223 _Pragma("GCC diagnostic ignored \"-Wreserved-macro-identifier\"")
224#endif
225
226#define Z7_DIAGNOSTIC_IGNORE_END_RESERVED_MACRO_IDENTIFIER \
227 _Pragma("GCC diagnostic pop")
228#else
229#define Z7_DIAGNOSTIC_IGNORE_BEGIN_RESERVED_MACRO_IDENTIFIER
230#define Z7_DIAGNOSTIC_IGNORE_END_RESERVED_MACRO_IDENTIFIER
231#endif
232
233#define UNUSED_VAR(x) (void)x;
234/* #define UNUSED_VAR(x) x=x; */
235
236#endif
Z7_void_Function
void(* Z7_void_Function)(void)
Definition Compiler.h:83
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