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📄 i386-sse-3.c

📁 this is a gcc file, you can download it and learn its usetility, for further detail please look at t
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/* { dg-do compile { target i?86-*-* x86_64-*-* } } *//* { dg-options "-O2 -msse -msse2" } *//* Test that the intrinsics compile with optimization.  These were not   tested in i386-sse-[12].c because these builtins require immediate   operands.  */#include <xmmintrin.h>__m128test_shuf (void){  __m128 a = _mm_set1_ps (1.0);  __m128 b = _mm_set1_ps (2.0);  return _mm_shuffle_ps (a, b, _MM_SHUFFLE (0,1,2,3));}__m64test_ins_ext (__m64 a){  return _mm_insert_pi16 (a, _mm_extract_pi16 (a, 0), 3);}__m64test_shuf2 (__m64 a){  return _mm_shuffle_pi16 (a, 0xA5);}voidtest_prefetch (char *p){  _mm_prefetch (p, _MM_HINT_T0);  _mm_prefetch (p+4, _MM_HINT_T1);  _mm_prefetch (p+8, _MM_HINT_T2);  _mm_prefetch (p+12, _MM_HINT_NTA);}__m128itest__slli_si128 (__m128i a){  return _mm_slli_si128 (a, 3);}__m128itest__srli_si128 (__m128i a){  return _mm_srli_si128 (a, 3);}

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