/* Copyright (C) 2003 Free Software Foundation. | |
Check that constant folding (c1 - x) op c2 into x swap(op) c1-c2 | |
doesn't break anything. | |
Written by Roger Sayle, 27th March 2003. */ | |
/* { dg-do run } */ | |
/* { dg-options "-O2 -ffast-math" } */ | |
extern void abort (void); | |
int foo(double x) | |
{ | |
return (10.0 - x) > 3.0; | |
} | |
int bar (double x) | |
{ | |
return (10.0 - x) == 5.0; | |
} | |
int main() | |
{ | |
if (foo (8.0)) | |
abort (); | |
if (! foo (6.0)) | |
abort (); | |
if (bar (1.0)) | |
abort (); | |
if (! bar (5.0)) | |
abort (); | |
return 0; | |
} | |