gcc/testsuite/gcc.target/powerpc/ppc-round.c

   1 /* { dg-do compile { target { powerpc*-*-* && lp64 } } } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* } { "*" } { "" } } */
   3 /* { dg-require-effective-target powerpc_vsx_ok } */
   4 /* { dg-options "-O2 -mcpu=power7" } */
   5 /* { dg-final { scan-assembler-times "stfiwx" 4 } } */
   6 /* { dg-final { scan-assembler-times "lfiwax" 2 } } */
   7 /* { dg-final { scan-assembler-times "lfiwzx" 2 } } */
   8 /* { dg-final { scan-assembler-times "fctiwz" 2 } } */
   9 /* { dg-final { scan-assembler-times "xscvsxddp" 2 } } */
  10 /* { dg-final { scan-assembler-times "fcfids" 2 } } */
  11 /* { dg-final { scan-assembler-not "lwz" } } */
  12 /* { dg-final { scan-assembler-not "stw" } } */
  13
  14 /* Make sure we don't have loads/stores to the GPR unit.  */
  15 double
  16 round_double_int (double a)
  17 {
  18   return (double)(int)a;
  19 }
  20
  21 float
  22 round_float_int (float a)
  23 {
  24   return (float)(int)a;
  25 }
  26
  27 double
  28 round_double_uint (double a)
  29 {
  30   return (double)(unsigned int)a;
  31 }
  32
  33 float
  34 round_float_uint (float a)
  35 {
  36   return (float)(unsigned int)a;
  37 }