gcc/testsuite/gcc.target/powerpc/vec-extract-8.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 int
   9 add_int_0 (vector int *p)
  10 {
  11   return vec_extract (*p, 0) + 1;
  12 }
  13
  14 int
  15 add_int_1 (vector int *p)
  16 {
  17   return vec_extract (*p, 1) + 1;
  18 }
  19
  20 int
  21 add_int_2 (vector int *p)
  22 {
  23   return vec_extract (*p, 2) + 1;
  24 }
  25
  26 int
  27 add_int_3 (vector int *p)
  28 {
  29   return vec_extract (*p, 3) + 1;
  30 }
  31
  32 int
  33 add_int_n (vector int *p, int n)
  34 {
  35   return vec_extract (*p, n) + 1;
  36 }
  37
  38 /* { dg-final { scan-assembler-not "lxvd2x"   } } */
  39 /* { dg-final { scan-assembler-not "lxvw4x"   } } */
  40 /* { dg-final { scan-assembler-not "lxvx"     } } */
  41 /* { dg-final { scan-assembler-not "lxv"      } } */
  42
  43 /* With recent enhancements to the code generator, it is considered
  44  * legal to implement vec_extract with lvx and xxpermdi.  Previous
  45  * versions of this test forbid both instructions.  */