gcc/testsuite/gcc.target/i386/sse-18.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O3 -msse2" } */
   3
   4 #include "sse2-check.h"
   5
   6 #include <emmintrin.h>
   7
   8 __m128i foo (char) __attribute__((noinline));
   9 __m128i foo (char x) {
  10   return _mm_set1_epi8(x);
  11 }
  12 __m128i bar (char) __attribute__((noinline));
  13 __m128i bar (char x) {
  14   return _mm_set_epi8 (x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x);
  15 }
  16
  17 static void
  18 sse2_test (void) {
  19   int i, j;
  20   union u { __m128i v; char c[16]; };
  21   union u x, y;
  22
  23   for (i = -128; i <= 127; i++)
  24     {
  25       x.v = foo ((char)i);
  26       y.v = bar ((char)i);
  27       for (j=0; j<16; j++)
  28         if (x.c[j] != y.c[j])
  29           abort();
  30     }
  31 }
  32