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

   1 /* { dg-do compile } */
   2 /* { dg-options "-mdejagnu-cpu=power9 -mvsx -O2" } */
   3 /* { dg-require-effective-target powerpc_vsx } */
   4
   5 #include <altivec.h>
   6
   7 vector float
   8 foo_r (float a)
   9 {
  10   return (vector float) { a, a, a, a };                 /* xscvdpspn/xxspltw */
  11 }
  12
  13 vector float
  14 foo_r2 (float a)
  15 {
  16   return vec_splats (a);                                /* xscvdpspn/xxspltw */
  17 }
  18
  19 vector float
  20 foo_g (float *a)
  21 {
  22   float f = *a;
  23
  24   __asm__ (" # %0" : "+r" (f));
  25   return (vector float) { f, f, f, f };                 /* mtvsrws */
  26 }
  27
  28 vector float
  29 foo_p (float *a)
  30 {
  31   return (vector float) { *a, *a, *a, *a };             /* lxvwsx */
  32 }
  33
  34 /* { dg-final { scan-assembler-times "xscvdpspn" 2 } } */
  35 /* { dg-final { scan-assembler-times "xxspltw"   2 } } */
  36 /* { dg-final { scan-assembler-times "mtvsrws"   1 } } */
  37 /* { dg-final { scan-assembler-times "lxvwsx"    1 } } */