gcc/testsuite/gcc.target/powerpc/float128-type-2.c

   1 /* { dg-do compile { target { *-*-linux* && lp64 } } } */
   2 /* { dg-require-effective-target powerpc_p9vector_ok } */
   3 /* { dg-options "-mdejagnu-cpu=power9 -O2 -mno-float128" } */
   4
   5 /* This test tests whether the underlying IEEE 128-bit floating point) is
   6    enabled by default on VSX Linux 64-bit systems, even if the keyword
   7    __float128 is not enabled .  Test that power9 generates the xsaddqp
   8    instruction.  */
   9
  10 #ifdef __LONG_DOUBLE_IEEE128
  11 typedef double          __attribute__((__mode__(__TF__))) f128_t;
  12 typedef _Complex double __attribute__((__mode__(__TC__))) f128c_t;
  13
  14 #else
  15 typedef double          __attribute__((__mode__(__KF__))) f128_t;
  16 typedef _Complex double __attribute__((__mode__(__KC__))) f128c_t;
  17 #endif
  18
  19 f128_t
  20 add_scalar (f128_t a, f128_t b)
  21 {
  22   return a+b;
  23 }
  24
  25
  26 f128c_t
  27 add_complex (f128c_t a, f128c_t b)
  28 {
  29   return a+b;
  30 }
  31
  32 /* { dg-final { scan-assembler "xsaddqp" } } */