gcc/testsuite/gcc.target/i386/float128-3.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -msse4.1" } */
   3 /* { dg-require-effective-target sse4 } */
   4
   5 #include "sse4_1-check.h"
   6
   7 int signbit (__float128);
   8
   9 extern void abort (void);
  10
  11 static void
  12 sse4_1_test (void)
  13 {
  14   static volatile __float128 a;
  15
  16   a = -1.2q;
  17   if (!signbit (a))
  18     abort ();
  19
  20   a = 1.2q;
  21   if (signbit (a))
  22     abort ();
  23 }