Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/20030414-2.c @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | |
| children |
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| 68:561a7518be6b | 111:04ced10e8804 |
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| 1 /* Copyright (C) 2003 Free Software Foundation. | |
| 2 | |
| 3 Check that constant folding (c1 - x) op c2 into x swap(op) c1-c2 | |
| 4 doesn't break anything. | |
| 5 | |
| 6 Written by Roger Sayle, 27th March 2003. */ | |
| 7 | |
| 8 /* { dg-do run } */ | |
| 9 /* { dg-options "-O2 -ffast-math" } */ | |
| 10 | |
| 11 extern void abort (void); | |
| 12 | |
| 13 int foo(double x) | |
| 14 { | |
| 15 return (10.0 - x) > 3.0; | |
| 16 } | |
| 17 | |
| 18 int bar (double x) | |
| 19 { | |
| 20 return (10.0 - x) == 5.0; | |
| 21 } | |
| 22 | |
| 23 int main() | |
| 24 { | |
| 25 if (foo (8.0)) | |
| 26 abort (); | |
| 27 | |
| 28 if (! foo (6.0)) | |
| 29 abort (); | |
| 30 | |
| 31 if (bar (1.0)) | |
| 32 abort (); | |
| 33 | |
| 34 if (! bar (5.0)) | |
| 35 abort (); | |
| 36 return 0; | |
| 37 } | |
| 38 |