gcc/testsuite/gcc.target/powerpc/float128-mix.c

   1 /* { dg-require-effective-target ppc_float128_sw } */
   2 /* { dg-options "-O2 -mvsx -Wno-psabi -mabi=ibmlongdouble -mlong-double-128" } */
   3
   4 /* Test to make sure that __float128 and long double cannot be combined
   5    together, when long double uses the IBM extended double format, and
   6    __float128 uses the IEEE 128-bit format.  */
   7 __float128
   8 add (__float128 a, long double b)
   9 {
  10   return a+b;   /* { dg-error "IEEE 128-bit and IBM 128-bit floating point" } */
  11 }
  12
  13 long double
  14 sub (long double a, __float128 b)
  15 {
  16   return a-b;   /* { dg-error "IEEE 128-bit and IBM 128-bit floating point" } */
  17 }