gcc/testsuite/gcc.target/powerpc/fold-vec-splat-pixel.c

   1 /* Verify that overloaded built-ins for vec_splat with pixel
   2    inputs produce the right code.  */
   3
   4 /* { dg-do compile } */
   5 /* { dg-require-effective-target powerpc_vsx_ok } */
   6 /* { dg-options "-mvsx -O2" } */
   7
   8 #include <altivec.h>
   9
  10 vector pixel test1_00 (vector pixel x) { return vec_splat (x, 0b00000); }
  11 vector pixel test1_01 (vector pixel x) { return vec_splat (x, 0b00001); }
  12 vector pixel test1_02 (vector pixel x) { return vec_splat (x, 0b00010); }
  13 vector pixel test1_04 (vector pixel x) { return vec_splat (x, 0b00100); }
  14
  15 /* Similar test as above, but the source vector is a known constant. */
  16 vector pixel test_p () { const vector pixel y = { 1,2,3,4}; return vec_splat (y, 0b00010); }
  17
  18 /* { dg-final { scan-assembler-times "vspltish" 1 } } */
  19 /* { dg-final { scan-assembler-times "vsplth" 4 } } */