rt_gccstream/gcc/testsuite/gcc.dg/pr29921.c

21 lines
325 B
C

/* With -ffast-math, the latice value for t changes from -0.0 to 0.0 in this
testcase. */
/* { dg-do compile } */
/* { dg-options "-O2 -ffast-math" } */
double test (int param)
{
double a = 0.0, b = -1.0, t;
int i;
for (i = 0; i < 100; i++)
{
t = a * b;
if (param)
b = 2.0;
}
return t;
}