cpu_ssse3.c
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| c
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#if defined(DETECT_FEATURES) && defined(__INTEL_COMPILER) /* * Unlike GCC and CLANG, Intel Compiler exposes all supported intrinsics, * whether or not the build options for those features are specified. * Therefore, we must test #definitions of CPU features when option native/host * is enabled via `--cpu-baseline` or through env var `CFLAGS` otherwise * the test will be broken and leads to enable all possible features. */ #ifndef __SSSE3__ #error "HOST/ARCH doesn't support SSSE3" #endif #endif #include <tmmintrin.h> int main(void) { __m128i a = _mm_hadd_epi16(_mm_setzero_si128(), _mm_setzero_si128()); return (int)_mm_cvtsi128_si32(a); }
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