gcc/testsuite/gcc.dg/pr70317.c

   1 /* PR tree-optimization/70317 */
   2 /* { dg-do compile } */
   3 /* { dg-skip-if "No NaN support" { spu*-*-* vax*-*-* pdp11*-*-* } } */
   4 /* { dg-options "-O2 -fdump-tree-optimized" } */
   5 /* { dg-additional-options "-fno-common" { target hppa*-*-hpux* } } */
   6
   7 typedef double V __attribute__((vector_size (256)));
   8 typedef __typeof ((V) {} < (V) {}) T;
   9 T a, b;
  10
  11 __attribute__((noinline, noclone, optimize ("finite-math-only"))) void
  12 foo (V *x)
  13 {
  14   V z = *x;
  15   a = z <= z;
  16 }
  17
  18 /* { dg-final { scan-tree-dump "a\[^\n\r]*= . -1, -1," "optimized" } } */
  19
  20 __attribute__((noinline, noclone, optimize ("no-finite-math-only"))) void
  21 bar (V *x)
  22 {
  23   V z = *x;
  24   b = z <= z;
  25 }
  26
  27 /* { dg-final { scan-tree-dump-not "b\[^\n\r]*= . -1, -1," "optimized" } } */