gcc/testsuite/gcc.target/i386/pr35767-3.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target dfp } */
   3 /* { dg-options "-O -msse2 -std=gnu99" } */
   4
   5 #include "sse2-check.h"
   6
   7 typedef _Decimal128 unaligned __attribute__((aligned(1)));
   8
   9 _Decimal128 __attribute__((noinline))
  10 foo (_Decimal128 a1, _Decimal128 a2, _Decimal128 a3, _Decimal128 a4,
  11      _Decimal128 a5, _Decimal128 a6, _Decimal128 a7, _Decimal128 a8,
  12      int b1, int b2, int b3, int b4, int b5, int b6, int b7, unaligned y)
  13 {
  14   return y;
  15 }
  16
  17 void
  18 sse2_test (void)
  19 {
  20   unaligned x;
  21   _Decimal128 y = -1;
  22   x = y;
  23   y = foo (0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, -1, x);
  24   if (__builtin_memcmp (&y, &x, sizeof (y)))
  25     abort ();
  26 }