gcc/testsuite/gcc.dg/torture/builtin-convert-4.c

   1 /* Copyright (C) 2007  Free Software Foundation.
   2
   3    Verify that nearbyint isn't transformed into e.g. rint or lrint
   4    when -ftrapping-math is set.
   5
   6    Written by Kaveh ghazi, 2007-03-04.  */
   7
   8 /* { dg-do compile } */
   9 /* { dg-options "-ftrapping-math -fdump-tree-original" } */
  10
  11 #include "../builtins-config.h"
  12
  13 extern void bar (long);
  14
  15 #define TESTIT(FUNC) do { \
  16   bar (__builtin_##FUNC(d)); \
  17   bar (__builtin_##FUNC##f(f)); \
  18   bar (__builtin_##FUNC##l(ld)); \
  19 } while (0)
  20
  21 void __attribute__ ((__noinline__)) foo (double d, float f, long double ld)
  22 {
  23   TESTIT(nearbyint);
  24 }
  25
  26 int main()
  27 {
  28   foo (1.0, 2.0, 3.0);
  29   return 0;
  30 }
  31
  32 /* { dg-final { scan-tree-dump-times "nearbyint " 1 "original" } } */
  33 /* { dg-final { scan-tree-dump-times "nearbyintf" 1 "original" } } */
  34 /* { dg-final { scan-tree-dump-times "nearbyintl" 1 "original" } } */