gcc/testsuite/gcc.target/i386/pr32000-2.c

   1 /* { dg-do run } */
   2 /* { dg-skip-if "" { ! { ia32 && dfp } } { "*" } { "" } } */
   3 /* { dg-options "-O -msse2 -std=gnu99 -mpreferred-stack-boundary=2" } */
   4 /* { dg-require-effective-target sse2 } */
   5
   6 #include "sse2-check.h"
   7
   8 typedef struct { _Decimal128 f __attribute__((packed)); } packed;
   9
  10 _Decimal128 __attribute__((noinline))
  11 foo (_Decimal128 a1, _Decimal128 a2, _Decimal128 a3, _Decimal128 a4,
  12      _Decimal128 a5, _Decimal128 a6, _Decimal128 a7, _Decimal128 a8,
  13      int b1, int b2, int b3, int b4, int b5, int b6, int b7, packed y)
  14 {
  15   return y.f;
  16 }
  17
  18 void
  19 sse2_test (void)
  20 {
  21   packed x;
  22   _Decimal128 y = -1;
  23   x.f = y;
  24   y = foo (0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, -1, x);
  25   if (__builtin_memcmp (&y, &x.f, sizeof (y)))
  26     abort ();
  27 }