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 /* { dg-add-options c99_runtime } */
  11
  12 #include "../builtins-config.h"
  13
  14 extern void bar (long);
  15
  16 #define TESTIT(FUNC) do { \
  17   bar (__builtin_##FUNC(d)); \
  18   bar (__builtin_##FUNC##f(f)); \
  19   bar (__builtin_##FUNC##l(ld)); \
  20 } while (0)
  21
  22 void __attribute__ ((__noinline__)) foo (double d, float f, long double ld)
  23 {
  24   TESTIT(nearbyint);
  25 }
  26
  27 int main()
  28 {
  29   foo (1.0, 2.0, 3.0);
  30   return 0;
  31 }
  32
  33 /* { dg-final { scan-tree-dump-times "nearbyint " 1 "original" } } */
  34 /* { dg-final { scan-tree-dump-times "nearbyintf" 1 "original" } } */
  35 /* { dg-final { scan-tree-dump-times "nearbyintl" 1 "original" } } */
  36 /* { dg-final { cleanup-tree-dump "original" } } */