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

   1 /* { dg-do compile { target { powerpc*-*-linux* && lp64 } } } */
   2 /* { dg-require-effective-target powerpc_p9vector_ok } */
   3 /* { dg-options "-O2 -mpower9-vector -mno-float128" } */
   4
   5 /* Test that we can use #pragma GCC target to enable -mfloat128 and generate
   6    code on ISA 3.0 for the float128 built-in functions.  Lp64 is required
   7    because we need TImode to be available to enable __float128 using hardware
   8    instructions.  */
   9
  10 #ifdef __FLOAT128__
  11 #error "-mno-float128 should disable initially defining __FLOAT128__"
  12 #endif
  13
  14 #pragma GCC target("float128")
  15
  16 #ifndef __FLOAT128__
  17 #error "#pragma GCC target(\"float128\") should enable -mfloat128"
  18 #endif
  19
  20 __float128
  21 qabs (__float128 a)
  22 {
  23   return __builtin_fabsf128 (a);
  24 }
  25
  26 /* { dg-final { scan-assembler "xsabsqp"  } } */