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16#ifndef HIGHWAY_HWY_DETECT_COMPILER_ARCH_H_
17#define HIGHWAY_HWY_DETECT_COMPILER_ARCH_H_
23#if (defined __CDT_PARSER__) || (defined __INTELLISENSE__) || \
24 (defined Q_CREATOR_RUN) || (defined __CLANGD__) || \
25 (defined GROK_ELLIPSIS_BUILD)
36#if defined(_MSC_VER) && !defined(__clang__)
37#define HWY_COMPILER_MSVC _MSC_VER
39#define HWY_COMPILER_MSVC 0
42#if defined(_MSC_VER) && defined(__clang__)
43#define HWY_COMPILER_CLANGCL _MSC_VER
45#define HWY_COMPILER_CLANGCL 0
48#ifdef __INTEL_COMPILER
49#define HWY_COMPILER_ICC __INTEL_COMPILER
51#define HWY_COMPILER_ICC 0
54#ifdef __INTEL_LLVM_COMPILER
55#define HWY_COMPILER_ICX __INTEL_LLVM_COMPILER
57#define HWY_COMPILER_ICX 0
63#define HWY_COMPILER_GCC (__GNUC__ * 100 + __GNUC_MINOR__)
65#define HWY_COMPILER_GCC 0
75#if defined(__apple_build_version__) || __clang_major__ >= 999
76#if __has_attribute(unsafe_buffer_usage)
77#define HWY_COMPILER_CLANG 1700
78#elif __has_attribute(nouwtable)
79#define HWY_COMPILER_CLANG 1600
80#elif __has_warning("-Warray-parameter")
81#define HWY_COMPILER_CLANG 1500
82#elif __has_warning("-Wbitwise-instead-of-logical")
83#define HWY_COMPILER_CLANG 1400
84#elif __has_warning("-Wreserved-identifier")
85#define HWY_COMPILER_CLANG 1300
86#elif __has_warning("-Wformat-insufficient-args")
87#define HWY_COMPILER_CLANG 1200
88#elif __has_warning("-Wimplicit-const-int-float-conversion")
89#define HWY_COMPILER_CLANG 1100
90#elif __has_warning("-Wmisleading-indentation")
91#define HWY_COMPILER_CLANG 1000
92#elif defined(__FILE_NAME__)
93#define HWY_COMPILER_CLANG 900
94#elif __has_warning("-Wextra-semi-stmt") || \
95 __has_builtin(__builtin_rotateleft32)
96#define HWY_COMPILER_CLANG 800
101#elif __has_warning("-Wc++98-compat-extra-semi") || \
102 (defined(__apple_build_version__) && __apple_build_version__ >= 10010000)
103#define HWY_COMPILER_CLANG 700
105#define HWY_COMPILER_CLANG 600
107#define HWY_COMPILER3_CLANG (HWY_COMPILER_CLANG * 100)
109#define HWY_COMPILER_CLANG (__clang_major__ * 100 + __clang_minor__)
110#define HWY_COMPILER3_CLANG \
111 (__clang_major__ * 10000 + __clang_minor__ * 100 + __clang_patchlevel__)
114#define HWY_COMPILER_CLANG 0
115#define HWY_COMPILER3_CLANG 0
118#if HWY_COMPILER_GCC && !HWY_COMPILER_CLANG && !HWY_COMPILER_ICC
119#define HWY_COMPILER_GCC_ACTUAL HWY_COMPILER_GCC
121#define HWY_COMPILER_GCC_ACTUAL 0
125#if 0 == (HWY_COMPILER_MSVC + HWY_COMPILER_CLANGCL + HWY_COMPILER_ICC + \
126 HWY_COMPILER_GCC + HWY_COMPILER_CLANG)
127#error "Unsupported compiler"
132 (!!HWY_COMPILER_MSVC + !!HWY_COMPILER_ICC + !!HWY_COMPILER_GCC_ACTUAL + \
133 !!(HWY_COMPILER_CLANGCL | HWY_COMPILER_CLANG))
134#error "Detected multiple compilers"
138#define HWY_HAS_BUILTIN(name) __has_builtin(name)
140#define HWY_HAS_BUILTIN(name) 0
143#ifdef __has_attribute
144#define HWY_HAS_ATTRIBUTE(name) __has_attribute(name)
146#define HWY_HAS_ATTRIBUTE(name) 0
149#ifdef __has_cpp_attribute
150#define HWY_HAS_CPP_ATTRIBUTE(name) __has_cpp_attribute(name)
152#define HWY_HAS_CPP_ATTRIBUTE(name) 0
156#define HWY_HAS_FEATURE(name) __has_feature(name)
158#define HWY_HAS_FEATURE(name) 0
164#if defined(__i386__) || defined(_M_IX86)
165#define HWY_ARCH_X86_32 1
167#define HWY_ARCH_X86_32 0
170#if defined(__x86_64__) || defined(_M_X64)
171#define HWY_ARCH_X86_64 1
173#define HWY_ARCH_X86_64 0
176#if HWY_ARCH_X86_32 && HWY_ARCH_X86_64
177#error "Cannot have both x86-32 and x86-64"
180#if HWY_ARCH_X86_32 || HWY_ARCH_X86_64
181#define HWY_ARCH_X86 1
183#define HWY_ARCH_X86 0
186#if defined(__powerpc64__) || defined(_M_PPC) || defined(__powerpc__)
187#define HWY_ARCH_PPC 1
189#define HWY_ARCH_PPC 0
192#if defined(__powerpc64__) || (HWY_ARCH_PPC && defined(__64BIT__))
193#define HWY_ARCH_PPC_64 1
195#define HWY_ARCH_PPC_64 0
199#if defined(__ARM_ARCH_ISA_A64) || defined(__aarch64__) || defined(_M_ARM64)
200#define HWY_ARCH_ARM_A64 1
202#define HWY_ARCH_ARM_A64 0
205#if (defined(__ARM_ARCH) && __ARM_ARCH == 7) || (defined(_M_ARM) && _M_ARM == 7)
206#define HWY_ARCH_ARM_V7 1
208#define HWY_ARCH_ARM_V7 0
211#if HWY_ARCH_ARM_A64 && HWY_ARCH_ARM_V7
212#error "Cannot have both A64 and V7"
216#if HWY_ARCH_ARM_A64 || HWY_ARCH_ARM_V7
217#define HWY_ARCH_ARM 1
219#define HWY_ARCH_ARM 0
223#if (defined(__arm__) || defined(_M_ARM)) && !HWY_ARCH_ARM
224#define HWY_ARCH_ARM_OLD 1
226#define HWY_ARCH_ARM_OLD 0
229#if defined(__EMSCRIPTEN__) || defined(__wasm__) || defined(__WASM__)
230#define HWY_ARCH_WASM 1
232#define HWY_ARCH_WASM 0
236#define HWY_ARCH_RISCV 1
238#define HWY_ARCH_RISCV 0
241#define HWY_ARCH_RVV HWY_ARCH_RISCV
243#if defined(__s390x__)
244#define HWY_ARCH_S390X 1
246#define HWY_ARCH_S390X 0
251#if (HWY_ARCH_X86 + HWY_ARCH_PPC + HWY_ARCH_ARM + HWY_ARCH_ARM_OLD + \
252 HWY_ARCH_WASM + HWY_ARCH_RISCV + HWY_ARCH_S390X) > 1
253#error "Must not detect more than one architecture"
256#if defined(_WIN32) || defined(_WIN64)
262#if defined(linux) || defined(__linux__)
263#define HWY_OS_LINUX 1
265#define HWY_OS_LINUX 0
269#if defined(__APPLE__)
270#define HWY_OS_APPLE 1
272#define HWY_OS_APPLE 0
279#if HWY_ARCH_PPC && defined(_XBOX_VER) && _XBOX_VER >= 200
281#define HWY_IS_LITTLE_ENDIAN 0
282#define HWY_IS_BIG_ENDIAN 1
285#define HWY_IS_LITTLE_ENDIAN 1
286#define HWY_IS_BIG_ENDIAN 0
288#elif defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \
289 __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
290#define HWY_IS_LITTLE_ENDIAN 1
291#define HWY_IS_BIG_ENDIAN 0
292#elif defined(__BYTE_ORDER__) && defined(__ORDER_BIG_ENDIAN__) && \
293 __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
294#define HWY_IS_LITTLE_ENDIAN 0
295#define HWY_IS_BIG_ENDIAN 1
297#error "Unable to detect endianness or unsupported byte order"
300#if (HWY_IS_LITTLE_ENDIAN + HWY_IS_BIG_ENDIAN) != 1
301#error "Must only detect one byte order"