rt_gccstream/gcc/testsuite/gcc.target/i386/pr36578-1.c

23 lines
450 B
C

/* Test for unsafe floating-point conversions. PR 36578. */
/* { dg-do run } */
/* { dg-options "-msse2 -mfpmath=sse" } */
#include "sse2-check.h"
extern void abort (void);
extern void exit (int);
extern int printf(const char *, ...);
volatile double d1 = 1.0;
volatile double d2 = 0x1.00001p-53;
volatile double d3;
static void
sse2_test (void)
{
d3 = (double)((long double)d1 + (long double)d2);
if (d3 != d1)
abort ();
exit (0);
}