gcc/testsuite/gcc.target/i386/pr35767-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -msse2" } */
   3
   4 #include "sse2-check.h"
   5
   6 typedef struct { __m128 f __attribute__((packed)); } packed;
   7
   8 __m128  __attribute__((noinline))
   9 foo (__m128 a1, __m128 a2, __m128 a3, __m128 a4,
  10      __m128 a5, __m128 a6, __m128 a7, __m128 a8,
  11      int b1, int b2, int b3, int b4, int b5, int b6, int b7, packed y)
  12 {
  13   return y.f;
  14 }
  15
  16 void
  17 sse2_test (void)
  18 {
  19   packed x;
  20   __m128 y = { 0 };
  21   x.f = y;
  22   y = foo (y, y, y, y, y, y, y, y, 1, 2, 3, 4, 5, 6, -1, x);
  23   if (__builtin_memcmp (&y, &x.f, sizeof (y)) != 0)
  24     abort ();
  25 }