gcc/testsuite/gcc.target/powerpc/float128-5.c

   1 /* { dg-do compile { target { powerpc*-*-linux* && lp64 } } } */
   2 /* { dg-require-effective-target powerpc_vsx_ok } */
   3 /* { dg-options "-O2 -mvsx -mno-float128" } */
   4 /* { dg-additional-options "-mdejagnu-cpu=power9" { target { ! has_arch_pwr9 } } } */
   5
   6 /* Test that we can use #pragma GCC target to enable -mfloat128 and generate
   7    code on ISA 3.0 for the float128 built-in functions.  Lp64 is required
   8    because we need TImode to be available to enable __float128 using hardware
   9    instructions.  */
  10
  11 #ifdef __FLOAT128__
  12 #error "-mno-float128 should disable initially defining __FLOAT128__"
  13 #endif
  14
  15 #pragma GCC target("float128")
  16
  17 #ifndef __FLOAT128__
  18 #error "#pragma GCC target(\"float128\") should enable -mfloat128"
  19 #endif
  20
  21 __float128
  22 qabs (__float128 a)
  23 {
  24   return __builtin_fabsf128 (a);
  25 }
  26
  27 /* { dg-final { scan-assembler "xsabsqp"  } } */