gcc/testsuite/gcc.dg/const-float128.c

   1 /* Test 'q' and 'Q' suffixes on __float128 type constants.  */
   2 /* { dg-do compile } */
   3 /* { dg-require-effective-target __float128 } */
   4 /* { dg-options "" } */
   5 /* { dg-add-options __float128 } */
   6
   7 __float128 a = 123.456789q;
   8 __float128 b = 123.456789Q;