diff options
Diffstat (limited to 'external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/sodium/runtime.c')
-rw-r--r-- | external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/sodium/runtime.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/sodium/runtime.c b/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/sodium/runtime.c deleted file mode 100644 index 3e424a01..00000000 --- a/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/sodium/runtime.c +++ /dev/null @@ -1,134 +0,0 @@ - -#ifdef HAVE_ANDROID_GETCPUFEATURES -# include <cpu-features.h> -#endif - -#include "runtime.h" - -typedef struct CPUFeatures_ { - int initialized; - int has_neon; - int has_sse2; - int has_sse3; -} CPUFeatures; - -static CPUFeatures _cpu_features; - -#define CPUID_SSE2 0x04000000 -#define CPUIDECX_SSE3 0x00000001 - -static int -_sodium_runtime_arm_cpu_features(CPUFeatures * const cpu_features) -{ -#ifndef __arm__ - cpu_features->has_neon = 0; - return -1; -#else -# ifdef __APPLE__ -# ifdef __ARM_NEON__ - cpu_features->has_neon = 1; -# else - cpu_features->has_neon = 0; -# endif -# elif defined(HAVE_ANDROID_GETCPUFEATURES) && defined(ANDROID_CPU_ARM_FEATURE_NEON) - cpu_features->has_neon = - (android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON) != 0x0; -# else - cpu_features->has_neon = 0; -# endif - return 0; -#endif -} - -static void -_cpuid(unsigned int cpu_info[4U], const unsigned int cpu_info_type) -{ -#ifdef _MSC_VER - __cpuid((int *) cpu_info, cpu_info_type); -#elif defined(HAVE_CPUID) - cpu_info[0] = cpu_info[1] = cpu_info[2] = cpu_info[3] = 0; -# ifdef __i386__ - __asm__ __volatile__ ("pushfl; pushfl; " - "popl %0; " - "movl %0, %1; xorl %2, %0; " - "pushl %0; " - "popfl; pushfl; popl %0; popfl" : - "=&r" (cpu_info[0]), "=&r" (cpu_info[1]) : - "i" (0x200000)); - if (((cpu_info[0] ^ cpu_info[1]) & 0x200000) == 0x0) { - return; /* LCOV_EXCL_LINE */ - } -# endif -# ifdef __i386__ - __asm__ __volatile__ ("xchgl %%ebx, %k1; cpuid; xchgl %%ebx, %k1" : - "=a" (cpu_info[0]), "=&r" (cpu_info[1]), - "=c" (cpu_info[2]), "=d" (cpu_info[3]) : - "0" (cpu_info_type), "2" (0U)); -# elif defined(__x86_64__) - __asm__ __volatile__ ("xchgq %%rbx, %q1; cpuid; xchgq %%rbx, %q1" : - "=a" (cpu_info[0]), "=&r" (cpu_info[1]), - "=c" (cpu_info[2]), "=d" (cpu_info[3]) : - "0" (cpu_info_type), "2" (0U)); -# else - __asm__ __volatile__ ("cpuid" : - "=a" (cpu_info[0]), "=b" (cpu_info[1]), - "=c" (cpu_info[2]), "=d" (cpu_info[3]) : - "0" (cpu_info_type), "2" (0U)); -# endif -#else - cpu_info[0] = cpu_info[1] = cpu_info[2] = cpu_info[3] = 0; -#endif -} - -static int -_sodium_runtime_intel_cpu_features(CPUFeatures * const cpu_features) -{ - unsigned int cpu_info[4]; - unsigned int id; - - _cpuid(cpu_info, 0x0); - if ((id = cpu_info[0]) == 0U) { - return -1; /* LCOV_EXCL_LINE */ - } - _cpuid(cpu_info, 0x00000001); -#ifndef HAVE_EMMINTRIN_H - cpu_features->has_sse2 = 0; -#else - cpu_features->has_sse2 = ((cpu_info[3] & CPUID_SSE2) != 0x0); -#endif - -#ifndef HAVE_PMMINTRIN_H - cpu_features->has_sse3 = 0; -#else - cpu_features->has_sse3 = ((cpu_info[2] & CPUIDECX_SSE3) != 0x0); -#endif - - return 0; -} - -int -sodium_runtime_get_cpu_features(void) -{ - int ret = -1; - - ret &= _sodium_runtime_arm_cpu_features(&_cpu_features); - ret &= _sodium_runtime_intel_cpu_features(&_cpu_features); - _cpu_features.initialized = 1; - - return ret; -} - -int -sodium_runtime_has_neon(void) { - return _cpu_features.has_neon; -} - -int -sodium_runtime_has_sse2(void) { - return _cpu_features.has_sse2; -} - -int -sodium_runtime_has_sse3(void) { - return _cpu_features.has_sse3; -} |