gcc/testsuite/gcc.dg/pr63387-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-optimized" } */
   3 /* { dg-skip-if "using short-double" { avr-*-* } } */
   4
   5 int f(double aaa, double bbb){
   6   int xa = !__builtin_isunordered(aaa, aaa);
   7   int xb = !__builtin_isunordered(bbb, bbb);
   8   return xa & xb;
   9 }
  10
  11 int g(double aaa, double bbb){
  12   int xa = !__builtin_isunordered(aaa, bbb);
  13   int xb = !__builtin_isunordered(bbb, bbb);
  14   return xa & xb;
  15 }
  16
  17 int h(double ccc, float ddd){
  18   int xc = !__builtin_isunordered(ccc, ccc);
  19   int xd = !__builtin_isunordered(ddd, ddd);
  20   return xc & xd;
  21 }
  22
  23 /* { dg-final { scan-tree-dump-not "aaa\[^\n\r\]* ord aaa" "optimized" } } */
  24 /* { dg-final { scan-tree-dump-not "bbb\[^\n\r\]* ord bbb" "optimized" } } */
  25 /* { dg-final { scan-tree-dump-times "aaa\[^\n\r\]* ord bbb" 2 "optimized" } } */
  26 /* { dg-final { scan-tree-dump-not "ccc\[^\n\r\]* ord ddd" "optimized" } } */