| /* 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; |
| } |
| |
