gcc/testsuite/gcc.target/i386/pr46419.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -msse" } */
   3 /* { dg-require-effective-target sse } */
   4
   5 #include "sse-check.h"
   6
   7 #include <xmmintrin.h>
   8
   9 void __attribute__((noinline))
  10 sse_test (void)
  11 {
  12   char image[4];
  13   __m128 image4;
  14   float out[4] __attribute__ ((aligned (16)));
  15   int i;
  16
  17   for (i = 0; i < 4; i++)
  18     image[i] = i + 1;
  19
  20   image4 =
  21     _mm_cvtpi8_ps (_mm_setr_pi8
  22                    (image[0], image[1], image[2], image[3], 0, 0, 0, 0));
  23   _mm_store_ps (out, image4);
  24   _mm_empty ();
  25
  26   for (i = 0; i < 4; i++)
  27     if (out[i] != (float) (i + 1))
  28       abort ();
  29
  30   image4 =
  31     _mm_cvtpu8_ps (_mm_setr_pi8
  32                    (image[0], image[1], image[2], image[3], 0, 0, 0, 0));
  33   _mm_store_ps (out, image4);
  34   _mm_empty ();
  35
  36   for (i = 0; i < 4; i++)
  37     if (out[i] != (float) (i + 1))
  38       abort ();
  39 }