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

   1 /* { dg-do compile { target { powerpc*-*-* && lp64 } } } */
   2 /* { dg-require-effective-target powerpc_p9vector_ok } */
   3 /* { dg-options "-mpower9-vector -O2" } */
   4
   5 extern _Float128 fabsf128 (_Float128);
   6 extern _Float128 copysignf128 (_Float128, _Float128);
   7
   8 /* Check copysign optimizations that are done for double are also done for
   9    _Float128.  */
  10
  11 _Float128
  12 cs_negx_y (_Float128 x, _Float128 y)
  13 {
  14   return copysignf128 (-x, y);                  /* eliminate negation.  */
  15 }
  16
  17 _Float128
  18 cs_absx_y (_Float128 x, _Float128 y)
  19 {
  20   return copysignf128 (fabsf128 (x), y);        /* eliminate fabsf128.  */
  21 }
  22
  23 /* { dg-final { scan-assembler-times {\mxscpsgnqp\M} 2 } } */
  24 /* { dg-final { scan-assembler-not   {\mxsnegqp\M}     } } */
  25 /* { dg-final { scan-assembler-not   {\mxsabsqp\M}     } } */
  26 /* { dg-final { scan-assembler-not   {\mbl\M}          } } */