gcc/testsuite/gcc.target/powerpc/p9-splat-2.c

   1 /* { dg-do compile { target { powerpc64le-*-* } } } */
   2 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power9" } } */
   3 /* { dg-options "-mcpu=power9 -O2" } */
   4 /* { dg-require-effective-target powerpc_p9vector_ok } */
   5
   6 #include <altivec.h>
   7
   8 vector float
   9 foo_r (float a)
  10 {
  11   return (vector float) { a, a, a, a };                 /* xscvdpspn/xxspltw */
  12 }
  13
  14 vector float
  15 foo_r2 (float a)
  16 {
  17   return vec_splats (a);                                /* xscvdpspn/xxspltw */
  18 }
  19
  20 vector float
  21 foo_g (float *a)
  22 {
  23   float f = *a;
  24
  25   __asm__ (" # %0" : "+r" (f));
  26   return (vector float) { f, f, f, f };                 /* mtvsrws */
  27 }
  28
  29 vector float
  30 foo_p (float *a)
  31 {
  32   return (vector float) { *a, *a, *a, *a };             /* lxvwsx */
  33 }
  34
  35 /* { dg-final { scan-assembler-times "xscvdpspn" 2 } } */
  36 /* { dg-final { scan-assembler-times "xxspltw"   2 } } */
  37 /* { dg-final { scan-assembler-times "mtvsrws"   1 } } */
  38 /* { dg-final { scan-assembler-times "lxvwsx"    1 } } */