gcc/testsuite/gcc.target/powerpc/float128-hw5.c

   1 /* { dg-do compile { target lp64 } } */
   2 /* { dg-require-effective-target powerpc_p9vector_ok } */
   3 /* { dg-require-effective-target float128 } */
   4 /* { dg-options "-mpower9-vector -O2 -ffast-math" } */
   5
   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 x_times_cs_one_negx (_Float128 x)
  13 {
  14   return x * copysignf128 (1.0Q, -x);   /* XSNABSQP  */
  15 }
  16
  17 _Float128
  18 x_times_cs_one_x (_Float128 x)
  19 {
  20   return x * copysignf128 (1.0Q, x);    /* XSABSQP  */
  21 }
  22
  23 _Float128
  24 cs_x_x (_Float128 x)
  25 {
  26   return copysignf128 (x, x);           /* no operation.  */
  27 }
  28
  29 /* { dg-final { scan-assembler-times {\mxsabsqp\M}  1 } } */
  30 /* { dg-final { scan-assembler-times {\mxsnabsqp\M} 1 } } */
  31 /* { dg-final { scan-assembler-not   {\mxscpsgnqp\M}  } } */
  32 /* { dg-final { scan-assembler-not   {\mlxvx\M}       } } */
  33 /* { dg-final { scan-assembler-not   {\mlxv\M}        } } */
  34 /* { dg-final { scan-assembler-not   {\mbl\M}         } } */