gcc/testsuite/gcc.target/powerpc/dfp-td-2.c

   1 /* Test generation of DFP instructions for POWER6.  */
   2 /* { dg-do compile { target { powerpc*-*-linux* && powerpc_fprs } } } */
   3 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power6" } } */
   4 /* { dg-options "-std=gnu99 -O1 -mcpu=power6" } */
   5
   6 /* { dg-final { scan-assembler-times "fneg" 1 } } */
   7 /* { dg-final { scan-assembler-times "fabs" 1 } } */
   8 /* { dg-final { scan-assembler-times "fnabs" 1 } } */
   9 /* { dg-final { scan-assembler-times "fmr" 0 } } */
  10
  11 /* These tests verify we only generate fneg, fabs and fnabs
  12    instructions and no fmr's since these are done in place.  */
  13
  14 _Decimal128
  15 func1 (_Decimal128 a)
  16 {
  17   return -a;
  18 }
  19
  20 _Decimal128
  21 func2 (_Decimal128 a)
  22 {
  23   return __builtin_fabsd128 (a);
  24 }
  25
  26 _Decimal128
  27 func3 (_Decimal128 a)
  28 {
  29   return - __builtin_fabsd128 (a);
  30 }