gcc/testsuite/c-c++-common/vector-compare-4.c

   1 /* PR c/68062 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Wsign-compare -Wno-psabi" } */
   4 /* Ignore warning on some powerpc configurations. */
   5 /* { dg-prune-output "non-standard ABI extension" } */
   6
   7 typedef signed char __attribute__ ((vector_size (4))) v4qi;
   8 typedef unsigned char __attribute__ ((vector_size (4))) uv4qi;
   9 typedef signed int __attribute__ ((vector_size (4 * __SIZEOF_INT__))) v4si;
  10 typedef unsigned int __attribute__ ((vector_size (4 * __SIZEOF_INT__))) uv4si;
  11
  12 v4qi
  13 fn1 (void)
  14 {
  15   v4qi a = { 1, 2, 3, 4 };
  16   uv4qi b = { 4, 3, 2, 1 };
  17   v4qi v = { 0, 0, 0, 0 };
  18
  19   v += (a == b); /* { dg-warning "comparison between types" } */
  20   v += (a != b); /* { dg-warning "comparison between types" } */
  21   v += (a >= b); /* { dg-warning "comparison between types" } */
  22   v += (a <= b); /* { dg-warning "comparison between types" } */
  23   v += (a > b); /* { dg-warning "comparison between types" } */
  24   v += (a < b); /* { dg-warning "comparison between types" } */
  25
  26   return v;
  27 }
  28
  29 v4si
  30 fn2 (void)
  31 {
  32   v4si a = { 1, 2, 3, 4 };
  33   uv4si b = { 4, 3, 2, 1 };
  34   v4si v = { 0, 0, 0, 0 };
  35
  36   v += (a == b); /* { dg-warning "comparison between types" } */
  37   v += (a != b); /* { dg-warning "comparison between types" } */
  38   v += (a >= b); /* { dg-warning "comparison between types" } */
  39   v += (a <= b); /* { dg-warning "comparison between types" } */
  40   v += (a > b); /* { dg-warning "comparison between types" } */
  41   v += (a < b); /* { dg-warning "comparison between types" } */
  42
  43   return v;
  44 }