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

   1 /* { dg-do compile { target { powerpc*-*-* && lp64 } } } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* } } */
   3 /* { dg-options "-O2 -mdejagnu-cpu=power7" } */
   4 /* { dg-require-effective-target powerpc_vsx } */
   5 /* { dg-final { scan-assembler-times {\mstfiwx\M|\mstxsiwx\M}     4 } } */
   6 /* { dg-final { scan-assembler-times {\mlfiwax\M|\mlxsiwax\M}     2 } } */
   7 /* { dg-final { scan-assembler-times {\mlfiwzx\M|\mlxsiwzx\M}     2 } } */
   8 /* { dg-final { scan-assembler-times {\mfctiwz\M|\mxscvdpsxws\M}  2 } } */
   9 /* { dg-final { scan-assembler-times {\mfctiwuz\M|\mxscvdpuxws\M} 2 } } */
  10 /* { dg-final { scan-assembler-times {\mfcfids\M|\mxscvsxdsp\M}   2 } } */
  11 /* { dg-final { scan-assembler-not   {\mlwz\M}                      } } */
  12 /* { dg-final { scan-assembler-not   {\mstw\M}                      } } */
  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 }