gcc/testsuite/gcc.target/powerpc/float128-hw6.c

   1 /* { dg-do compile { target lp64 } } */
   2 /* { dg-options "-mvsx -O2" } */
   3 /* { dg-additional-options "-mdejagnu-cpu=power9" { target { ! has_arch_pwr9 } } } */
   4 /* { dg-require-effective-target powerpc_vsx } */
   5 /* { dg-require-effective-target float128 } */
   6
   7 extern _Float128 fabsf128 (_Float128);
   8 extern _Float128 copysignf128 (_Float128, _Float128);
   9
  10 /* Check copysign optimizations that are done for double are also done for
  11    _Float128.  */
  12
  13 _Float128
  14 cs_negx_y (_Float128 x, _Float128 y)
  15 {
  16   return copysignf128 (-x, y);                  /* eliminate negation.  */
  17 }
  18
  19 _Float128
  20 cs_absx_y (_Float128 x, _Float128 y)
  21 {
  22   return copysignf128 (fabsf128 (x), y);        /* eliminate fabsf128.  */
  23 }
  24
  25 /* { dg-final { scan-assembler-times {\mxscpsgnqp\M} 2 } } */
  26 /* { dg-final { scan-assembler-not   {\mxsnegqp\M}     } } */
  27 /* { dg-final { scan-assembler-not   {\mxsabsqp\M}     } } */
  28 /* { dg-final { scan-assembler-not   {\mbl\M}          } } */