gcc/testsuite/gcc.target/i386/pr39445.c

   1 /* { dg-do run } */
   2 /* { dg-options "-Os -msse2" } */
   3 /* { dg-require-effective-target sse2 } */
   4
   5 #include "sse2-check.h"
   6
   7 typedef struct { __m128 f __attribute__((packed)); } packed;
   8
   9 __m128  __attribute__((noinline))
  10 foo (__m128 a1, __m128 a2, __m128 a3, __m128 a4,
  11      __m128 a5, __m128 a6, __m128 a7, __m128 a8,
  12      int b1, int b2, int b3, int b4, int b5, int b6, int b7, packed y)
  13 {
  14   return y.f;
  15 }
  16
  17 void
  18 sse2_test (void)
  19 {
  20   packed x;
  21   __m128 y = { 0 };
  22   x.f = y;
  23   y = foo (y, y, y, y, y, y, y, y, 1, 2, 3, 4, 5, 6, -1, x);
  24   if (__builtin_memcmp (&y, &x.f, sizeof (y)) != 0)
  25     abort ();
  26 }