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

   1 /* Verify that overloaded built-ins for vec_splat with long long
   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 bool long long testb_00 (vector bool long long x) { return vec_splat (x, 0b00000); }
  11 vector bool long long testb_01 (vector bool long long x) { return vec_splat (x, 0b00001); }
  12
  13 vector signed long long tests_00 (vector signed long long x) { return vec_splat (x, 0b00000); }
  14 vector signed long long tests_01 (vector signed long long x) { return vec_splat (x, 0b00001); }
  15
  16 vector unsigned long long testu_00 (vector unsigned long long x) { return vec_splat (x, 0b00000); }
  17 vector unsigned long long testu_01 (vector unsigned long long x) { return vec_splat (x, 0b00001); }
  18
  19 /* Similar test as above, but the source vector is a known constant. */
  20 vector bool long long test_bll () { const vector bool long long y = {12, 23}; return vec_splat (y, 0b00001); }
  21 vector signed long long test_sll () { const vector signed long long y = {34, 45}; return vec_splat (y, 0b00001); }
  22
  23 /* Assorted load instructions for the initialization with known constants. */
  24 /* { dg-final { scan-assembler-times {\mlvx\M|\mlxvd2x\M|\mlxv\M|\mplxv\M|\mxxspltib\M} 2 } } */
  25
  26 /* xxpermdi for vec_splat of long long vectors.
  27  At the time of this writing, the number of xxpermdi instructions
  28  generated will vary depending on the target processor (p5/p6/p7/p8/...)
  29  and whether or not folding is enabled.
  30  So, ensure we have at least one hit.  */
  31 /* { dg-final { scan-assembler "xxpermdi" } } */