1 /* Copyright (C) 2009  Free Software Foundation.
2 
3    Test things that should block GCC from optimizing compile-time
4    constants passed to a builtin complex transcendental functions.
5 
6    Origin: Kaveh R. Ghazi,  January 28, 2009.  */
7 
8 /* { dg-do compile } */
9 /* { dg-require-effective-target inf } */
10 /* { dg-options "-fdump-tree-original" } */
11 
12 extern void foof (_Complex float);
13 extern void foo (_Complex double);
14 extern void fool (_Complex long double);
15 
16 #define TESTIT(FUNC, ARG) do { \
17   foof (__builtin_##FUNC##f (ARG##F)); \
18   foo (__builtin_##FUNC (ARG)); \
19   fool (__builtin_##FUNC##l (ARG##L)); \
20 } while (0)
21 
22 #define TESTIT2(FUNC, ARG0, ARG1) do { \
23   foof (__builtin_##FUNC##f (ARG0##F, ARG1##F)); \
24   foo (__builtin_##FUNC (ARG0, ARG1)); \
25   fool (__builtin_##FUNC##l (ARG0##L, ARG1##L)); \
26 } while (0)
27 
bar()28 void bar()
29 {
30   /* An argument of NaN is not evaluated at compile-time.  */
31 #ifndef __SPU__
32   foof (__builtin_csqrtf (__builtin_nanf("")));
33 #endif
34   foo (__builtin_csqrt (__builtin_nan("")));
35   fool (__builtin_csqrtl (__builtin_nanl("")));
36 
37   /* An argument of Inf/-Inf is not evaluated at compile-time.  */
38 #ifndef __SPU__
39   foof (__builtin_csqrtf (__builtin_inff()));
40 #endif
41   foo (__builtin_csqrt (__builtin_inf()));
42   fool (__builtin_csqrtl (__builtin_infl()));
43 #ifndef __SPU__
44   foof (__builtin_csqrtf (-__builtin_inff()));
45 #endif
46   foo (__builtin_csqrt (-__builtin_inf()));
47   fool (__builtin_csqrtl (-__builtin_infl()));
48 
49   /* Check for overflow/underflow.  */
50   TESTIT (cexp, 1e20);
51   TESTIT (cexp, -1e20);
52 
53   /* An argument of NaN is not evaluated at compile-time.  */
54 #ifndef __SPU__
55   foof (__builtin_cpowf (__builtin_nanf(""), 2.5F));
56 #endif
57   foo (__builtin_cpow (__builtin_nan(""), 2.5));
58   fool (__builtin_cpowl (__builtin_nanl(""), 2.5L));
59 #ifndef __SPU__
60   foof (__builtin_cpowf (2.5F, __builtin_nanf("")));
61 #endif
62   foo (__builtin_cpow (2.5, __builtin_nan("")));
63   fool (__builtin_cpowl (2.5L, __builtin_nanl("")));
64 
65   /* An argument of Inf/-Inf is not evaluated at compile-time.  */
66 #ifndef __SPU__
67   foof (__builtin_cpowf (__builtin_inff(), 2.5F));
68 #endif
69   foo (__builtin_cpow (__builtin_inf(), 2.5));
70   fool (__builtin_cpowl (__builtin_infl(), 2.5L));
71 #ifndef __SPU__
72   foof (__builtin_cpowf (-__builtin_inff(), 2.5F));
73 #endif
74   foo (__builtin_cpow (-__builtin_inf(), 2.5));
75   fool (__builtin_cpowl (-__builtin_infl(), 2.5L));
76 #ifndef __SPU__
77   foof (__builtin_cpowf (2.5F, __builtin_inff()));
78 #endif
79   foo (__builtin_cpow (2.5, __builtin_inf()));
80   fool (__builtin_cpowl (2.5L, __builtin_infl()));
81 #ifndef __SPU__
82   foof (__builtin_cpowf (2.5F, -__builtin_inff()));
83 #endif
84   foo (__builtin_cpow (2.5, -__builtin_inf()));
85   fool (__builtin_cpowl (2.5L, -__builtin_infl()));
86 
87   /* Check for Inv/NaN return values.  */
88   TESTIT2 (cpow, -0.0, -4.5); /* Returns Inf */
89   TESTIT2 (cpow, 0.0, -4.5); /* Returns Inf */
90 
91   /* Check for overflow/underflow.  */
92   foof (__builtin_cpowf (__FLT_MAX__, 3.5F));
93   foof (__builtin_cpowf (__FLT_MAX__ * 1.FI, 3.5F));
94   foo (__builtin_cpow (__DBL_MAX__, 3.5));
95   foo (__builtin_cpow (__DBL_MAX__ * 1.I, 3.5));
96   fool (__builtin_cpowl (__LDBL_MAX__, 3.5L));
97   fool (__builtin_cpowl (__LDBL_MAX__ * 1.LI, 3.5L));
98   TESTIT2 (cpow, 2.0, 0x1p50);
99   TESTIT2 (cpow, 2.0, 0x1p28);
100   TESTIT2 (cpow, 2.0, 0x1p24);
101   foof (__builtin_cpowf (__FLT_MAX__, -3.5F));
102   foof (__builtin_cpowf (__FLT_MAX__ * 1.FI, -3.5F));
103   foo (__builtin_cpow (__DBL_MAX__, -3.5));
104   foo (__builtin_cpow (__DBL_MAX__ * 1.I, -3.5));
105   fool (__builtin_cpowl (__LDBL_MAX__, -3.5L));
106   fool (__builtin_cpowl (__LDBL_MAX__ * 1.LI, -3.5L));
107   TESTIT2 (cpow, 2.0, -0x1p50);
108   TESTIT2 (cpow, 2.0, -0x1p28);
109   TESTIT2 (cpow, 2.0, -0x1p24);
110 
111 }
112 
113 /* { dg-final { scan-tree-dump-times "csqrtf" 3 "original" { target { ! { spu*-*-* } } } } } */
114 /* { dg-final { scan-tree-dump-times "csqrtf" 0 "original" { target { spu*-*-* } } } } */
115 /* { dg-final { scan-tree-dump-times "csqrt " 3 "original" } } */
116 /* { dg-final { scan-tree-dump-times "csqrtl" 3 "original" } } */
117 /* { dg-final { scan-tree-dump-times "cexpf" 2 "original" } } */
118 /* { dg-final { scan-tree-dump-times "cexp " 2 "original" } } */
119 /* { dg-final { scan-tree-dump-times "cexpl" 2 "original" } } */
120 /* { dg-final { scan-tree-dump-times "cpowf" 18 "original" { target { ! { spu*-*-* } } } } } */
121 /* { dg-final { scan-tree-dump-times "cpowf" 12 "original" { target { spu*-*-* } } } } */
122 /* { dg-final { scan-tree-dump-times "cpow " 18 "original" } } */
123 /* { dg-final { scan-tree-dump-times "cpowl" 18 "original" } } */
124