gcc/testsuite/gcc.target/powerpc/vec-extract-2.c

   1 /* { dg-do compile { target { powerpc*-*-* && lp64 } } } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* } } */
   3 /* { dg-require-effective-target powerpc_vsx_ok } */
   4 /* { dg-options "-O2 -mvsx" } */
   5
   6 #include <altivec.h>
   7
   8 double
   9 add_double_0 (vector double *p, double x)
  10 {
  11   return vec_extract (*p, 0) + x;
  12 }
  13
  14 double
  15 add_double_1 (vector double *p, double x)
  16 {
  17   return vec_extract (*p, 1) + x;
  18 }
  19
  20 long
  21 add_long_0 (vector long *p, long x)
  22 {
  23   return vec_extract (*p, 0) + x;
  24 }
  25
  26 long
  27 add_long_1 (vector long *p, long x)
  28 {
  29   return vec_extract (*p, 1) + x;
  30 }
  31
  32 /* { dg-final { scan-assembler-not "lxvd2x"   } } */
  33 /* { dg-final { scan-assembler-not "lxvw4x"   } } */
  34 /* { dg-final { scan-assembler-not "lxvx"     } } */
  35 /* { dg-final { scan-assembler-not "lxv"      } } */
  36
  37 /* With recent enhancements to the code generator, it is considered
  38  * legal to implement vec_extract with lvx and xxpermdi.  Previous
  39  * versions of this test forbid both instructions.  */