URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [20030804-1.c] - Blame information for rev 853

Line No.	Rev	Author	Line
1	149	jeremybenn	`/* Copyright (C) 2003 Free Software Foundation.`
2
3			`Check that constant folding of mathematical expressions doesn't`
4			`break anything.`
5
6			`Written by Roger Sayle, 3rd August 2003. */`
7
8			`/* { dg-do link } */`
9			`/* { dg-options "-O2 -ffast-math" } */`
10
11			`extern void link_error(void);`
12
13			`void test(double x)`
14			`{`
15			`if (x+x != 2.0*x)`
16			`link_error ();`
17			`if (x+x != x*2.0)`
18			`link_error ();`
19
20			`if (x+x+x != 3.0*x)`
21			`link_error ();`
22			`if (x+x+x != x*3.0)`
23			`link_error ();`
24
25			`if ((x+x)+x != 3.0*x)`
26			`link_error ();`
27			`if ((x+x)+x != x*3.0)`
28			`link_error ();`
29
30			`if (x+(x+x) != 3.0*x)`
31			`link_error ();`
32			`if (x+(x+x) != x*3.0)`
33			`link_error ();`
34
35			`if (x+4.0x != 5.0x)`
36			`link_error ();`
37			`if (x+4.0x != x5.0)`
38			`link_error ();`
39			`if (x+x4.0 != 5.0x)`
40			`link_error ();`
41			`if (x+x4.0 != x5.0)`
42			`link_error ();`
43			`if (4.0x+x != 5.0x)`
44			`link_error ();`
45			`if (4.0x+x != x5.0)`
46			`link_error ();`
47			`if (x4.0+x != 5.0x)`
48			`link_error ();`
49			`if (x4.0+x != x5.0)`
50			`link_error ();`
51
52			`if (3.0x + 5.0x != 8.0*x)`
53			`link_error ();`
54			`if (3.0x + 5.0x != x*8.0)`
55			`link_error ();`
56			`if (x3.0 + 5.0x != 8.0*x)`
57			`link_error ();`
58			`if (x3.0 + 5.0x != x*8.0)`
59			`link_error ();`
60			`if (3.0x + x5.0 != 8.0*x)`
61			`link_error ();`
62			`if (3.0x + x5.0 != x*8.0)`
63			`link_error ();`
64			`if (x3.0 + x5.0 != 8.0*x)`
65			`link_error ();`
66			`if (x3.0 + x5.0 != x*8.0)`
67			`link_error ();`
68			`}`
69
70			`int main()`
71			`{`
72			`test(2.0);`
73			`return 0;`
74			`}`
75