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

   1 /* Verify that overloaded built-ins for vec_splat with int
   2    inputs produce the right code.  */
   3
   4 /* { dg-do compile } */
   5 /* { dg-options "-maltivec -O2" } */
   6 /* { dg-require-effective-target powerpc_altivec } */
   7
   8 #include <altivec.h>
   9
  10 vector bool int testb_0  (vector bool int x) { return vec_splat (x, 0b00000); }
  11 vector bool int testb_1  (vector bool int x) { return vec_splat (x, 0b00001); }
  12 vector bool int testb_2  (vector bool int x) { return vec_splat (x, 0b00010); }
  13
  14 vector signed int tests_0  (vector signed int x) { return vec_splat (x, 0b00000); }
  15 vector signed int tests_1  (vector signed int x) { return vec_splat (x, 0b00001); }
  16 vector signed int tests_2  (vector signed int x) { return vec_splat (x, 0b00010); }
  17
  18 vector unsigned int testu_0  (vector unsigned int x) { return vec_splat (x, 0b00000); }
  19 vector unsigned int testu_1  (vector unsigned int x) { return vec_splat (x, 0b00001); }
  20 vector unsigned int testu_2  (vector unsigned int x) { return vec_splat (x, 0b00010); }
  21
  22 /* Similar test as above, but the source vector is a known constant. */
  23 vector bool int test_bic () { const vector bool int y = { 1,2,3,4}; return vec_splat (y, 0b00010); }
  24 vector signed int test_sic () { const vector signed int y = { 1,2,3,4}; return vec_splat (y, 0b00010); }
  25 vector unsigned int test_uic () { const vector unsigned int y = { 1,2,3,4}; return vec_splat (y, 0b00010); }
  26
  27 /* { dg-final { scan-assembler-times "vspltisw" 3 } } */
  28 /* { dg-final { scan-assembler-times "vspltw|xxspltw" 9 } } */
  29