rt_gccstream/gcc/testsuite/gcc.dg/builtins-24.c

36 lines
576 B
C

/* Copyright (C) 2003 Free Software Foundation.
Check that the RTL expansion of floating point exponentiation by
a constant integer doesn't break anything and produces the expected
results.
Written by Roger Sayle, 20th June 2003. */
/* { dg-do run } */
/* { dg-options "-O2 -ffast-math" } */
extern double pow(double,double);
extern void abort(void);
double foo (double x)
{
return pow (x, 6);
}
double bar (double x)
{
return pow (x, -4);
}
int main()
{
if (foo (2.0) != 64.0)
abort ();
if (bar (2.0) != 0.0625)
abort ();
return 0;
}