gcc/testsuite/gcc.target/powerpc/vec-extract-3.c

   1 /* { dg-do compile { target { powerpc*-*-* && lp64 } } } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* } } */
   3 /* { dg-options "-O2 -mdejagnu-cpu=power8 -mvsx" } */
   4 /* { dg-require-effective-target powerpc_vsx } */
   5
   6 #include <altivec.h>
   7
   8 double
   9 add_double_n (vector double *p, double x, long n)
  10 {
  11   return vec_extract (*p, n) + x;
  12 }
  13
  14 long
  15 add_long_n (vector long *p, long x, long n)
  16 {
  17   return vec_extract (*p, n) + x;
  18 }
  19
  20 /* { dg-final { scan-assembler-not "lxvd2x"   } } */
  21 /* { dg-final { scan-assembler-not "lxvw4x"   } } */
  22 /* { dg-final { scan-assembler-not "lxvx"     } } */
  23 /* { dg-final { scan-assembler-not "lxv"      } } */
  24
  25 /* With recent enhancements to the code generator, it is considered
  26  * legal to implement vec_extract with lvx and xxpermdi.  Previous
  27  * versions of this test forbid both instructions.  */