1 /* Copyright (C) 2004 Free Software Foundation.
3 Verify that built-in math function conversion to smaller FP types
4 is correctly performed by the compiler.
6 Written by Kaveh Ghazi, 2004-03-17. */
9 /* { dg-options "-ffast-math" } */
10 /* { dg-options "-ffast-math -mmacosx-version-min=10.3" { target powerpc-*-darwin* } } */
11 /* { dg-options "-ffast-math -std=c99" { target *-*-solaris2* } } */
13 #include "../builtins-config.h"
15 /* This check is necessary when converting to a C99 function. */
16 #ifdef HAVE_C99_RUNTIME
17 #define C99CODE(CODE) (CODE)
18 #define MAYBEC99(CODE, C99) (CODE)
20 #define C99CODE(CODE) 0
21 #define MAYBEC99(CODE, C99) (!(C99) && (CODE))
24 #define PROTOTYPE1(FN) extern double FN(double); extern float FN##f(float); \
25 extern long double FN##l(long double);
27 void test(double d1, float f1, long double ld1)
29 /* Test converting math builtins to narrower FP types based on a
30 narrowing cast on the outside of the call. MATHFN is the
31 function to test, and C99 is 0/1 depending on whether the
32 `double' version of MATHFN is a C99 function. The optimization
33 is only performed if the replacement function is actually
34 narrower in width, so check that first. */
35 #define OUTER_CAST1(MATHFN, C99) \
37 extern void link_failure_outer_##MATHFN##l_##MATHFN##_1(void); \
38 extern void link_failure_outer_##MATHFN##l_##MATHFN##_2(void); \
39 extern void link_failure_outer_##MATHFN##l_##MATHFN##f_1(void); \
40 extern void link_failure_outer_##MATHFN##l_##MATHFN##f_2(void); \
41 extern void link_failure_outer_##MATHFN##_##MATHFN##f_1(void); \
42 extern void link_failure_outer_##MATHFN##_##MATHFN##f_2(void); \
43 if (sizeof (long double) > sizeof (double) \
44 && MAYBEC99 ((double) MATHFN##l((double)ld1) != MATHFN(ld1), C99)) \
45 link_failure_outer_##MATHFN##l_##MATHFN##_1(); \
46 if (sizeof (long double) > sizeof (double) \
47 && MAYBEC99 ((double) MATHFN##l(d1) != MATHFN(d1), C99)) \
48 link_failure_outer_##MATHFN##l_##MATHFN##_1(); \
49 if (sizeof (long double) > sizeof (double) \
50 && MAYBEC99 ((double) MATHFN##l(f1) != MATHFN(f1), C99)) \
51 link_failure_outer_##MATHFN##l_##MATHFN##_2(); \
52 if (sizeof (long double) > sizeof (float) \
53 && C99CODE ((float) MATHFN##l((float) ld1) != MATHFN##f(ld1))) \
54 link_failure_outer_##MATHFN##l_##MATHFN##f_1(); \
55 if (sizeof (long double) > sizeof (float) \
56 && C99CODE ((float) MATHFN##l((float) d1) != MATHFN##f(d1))) \
57 link_failure_outer_##MATHFN##l_##MATHFN##f_1(); \
58 if (sizeof (long double) > sizeof (float) \
59 && C99CODE ((float) MATHFN##l(f1) != MATHFN##f(f1))) \
60 link_failure_outer_##MATHFN##l_##MATHFN##f_2(); \
61 if (sizeof (double) > sizeof (float) \
62 && C99CODE ((float) MATHFN((float) ld1) != MATHFN##f(ld1))) \
63 link_failure_outer_##MATHFN##_##MATHFN##f_1(); \
64 if (sizeof (double) > sizeof (float) \
65 && C99CODE ((float) MATHFN((float) d1) != MATHFN##f(d1))) \
66 link_failure_outer_##MATHFN##_##MATHFN##f_1(); \
67 if (sizeof (double) > sizeof (float) \
68 && C99CODE ((float) MATHFN(f1) != MATHFN##f(f1))) \
69 link_failure_outer_##MATHFN##_##MATHFN##f_2()
71 /* Test converting math builtins to narrower FP types based on if
72 the argument is a narrower type (perhaps implicitly) cast to a
74 #define INNER_CAST1(MATHFN, C99) \
76 extern void link_failure_inner_##MATHFN##l_##MATHFN(void); \
77 extern void link_failure_inner_##MATHFN##l_##MATHFN##f(void); \
78 extern void link_failure_inner_##MATHFN##_##MATHFN##f(void); \
79 if (sizeof (long double) > sizeof (double) \
80 && MAYBEC99 (MATHFN##l(d1) != (long double) MATHFN(d1), C99)) \
81 link_failure_inner_##MATHFN##l_##MATHFN(); \
82 if (sizeof (long double) > sizeof (float) \
83 && C99CODE (MATHFN##l(f1) != (long double) MATHFN##f(f1))) \
84 link_failure_inner_##MATHFN##l_##MATHFN##f(); \
85 if (sizeof (long double) > sizeof (float) \
86 && C99CODE (MATHFN##l((double)f1) != (long double) MATHFN##f(f1))) \
87 link_failure_inner_##MATHFN##l_##MATHFN##f(); \
88 if (sizeof (double) > sizeof (float) \
89 && C99CODE (MATHFN(f1) != (double) MATHFN##f(f1))) \
90 link_failure_inner_##MATHFN##_##MATHFN##f()
94 OUTER_CAST1 (acos, /*C99=*/ 0);
95 OUTER_CAST1 (acosh, /*C99=*/ 1);
96 OUTER_CAST1 (asin, /*C99=*/ 1);
97 OUTER_CAST1 (asinh, /*C99=*/ 1);
98 OUTER_CAST1 (atan, /*C99=*/ 0);
99 OUTER_CAST1 (atanh, /*C99=*/ 1);
100 OUTER_CAST1 (cbrt, /*C99=*/ 1);
101 OUTER_CAST1 (cos, /*C99=*/ 0);
102 OUTER_CAST1 (cosh, /*C99=*/ 0);
103 OUTER_CAST1 (erf, /*C99=*/ 1);
104 OUTER_CAST1 (erfc, /*C99=*/ 1);
105 OUTER_CAST1 (exp, /*C99=*/ 0);
106 OUTER_CAST1 (exp2, /*C99=*/ 1);
107 OUTER_CAST1 (expm1, /*C99=*/ 1);
108 OUTER_CAST1 (fabs, /*C99=*/ 0);
109 OUTER_CAST1 (log, /*C99=*/ 0);
110 OUTER_CAST1 (log10, /*C99=*/ 0);
111 OUTER_CAST1 (log1p, /*C99=*/ 1);
112 OUTER_CAST1 (log2, /*C99=*/ 1);
113 OUTER_CAST1 (logb, /*C99=*/ 1);
114 OUTER_CAST1 (sin, /*C99=*/ 0);
115 OUTER_CAST1 (sinh, /*C99=*/ 0);
116 OUTER_CAST1 (sqrt, /*C99=*/ 0);
117 OUTER_CAST1 (tan, /*C99=*/ 0);
118 OUTER_CAST1 (tanh, /*C99=*/ 0);
119 OUTER_CAST1 (tgamma, /*C99=*/ 1);
121 INNER_CAST1 (ceil, /*C99=*/ 0);
122 OUTER_CAST1 (ceil, /*C99=*/ 0);
123 INNER_CAST1 (floor, /*C99=*/ 0);
124 OUTER_CAST1 (floor, /*C99=*/ 0);
125 INNER_CAST1 (nearbyint, /*C99=*/ 1);
126 OUTER_CAST1 (nearbyint, /*C99=*/ 1);
127 INNER_CAST1 (rint, /*C99=*/ 1);
128 OUTER_CAST1 (rint, /*C99=*/ 1);
129 INNER_CAST1 (round, /*C99=*/ 1);
130 OUTER_CAST1 (round, /*C99=*/ 1);
131 INNER_CAST1 (trunc, /*C99=*/ 1);
132 OUTER_CAST1 (trunc, /*C99=*/ 1);
133 #endif /* __OPTIMIZE__ */