21 lines
		
	
	
		
			697 B
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			21 lines
		
	
	
		
			697 B
		
	
	
	
		
			C
		
	
	
	
	
	
| 
								 | 
							
								#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 __SSE2__
							 | 
						||
| 
								 | 
							
								        #error "HOST/ARCH doesn't support SSE2"
							 | 
						||
| 
								 | 
							
								    #endif
							 | 
						||
| 
								 | 
							
								#endif
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								#include <emmintrin.h>
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								int main(void)
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
								    __m128i a = _mm_add_epi16(_mm_setzero_si128(), _mm_setzero_si128());
							 | 
						||
| 
								 | 
							
								    return _mm_cvtsi128_si32(a);
							 | 
						||
| 
								 | 
							
								}
							 |