1 /* Copyright (C) 2004 Free Software Foundation.
3 Verify that GCC can determine which built-in functions produce a
6 Written by Kaveh Ghazi, 2004-03-10. */
9 /* { dg-options "-ffast-math" } */
11 #define PROTOTYPE_RTYPE(FN,RTYPE) extern RTYPE FN(double); \
12 extern RTYPE FN##f(float); \
13 extern RTYPE FN##l(long double);
14 #define PROTOTYPE(FN) extern double FN(double); extern float FN##f(float); \
15 extern long double FN##l(long double);
16 #define PROTOTYPE2(FN) extern double FN(double, double); \
17 extern float FN##f(float, float); \
18 extern long double FN##l(long double, long double);
19 #define CPROTOTYPE1(FN) extern double FN(_Complex double); \
20 extern float FN##f(_Complex float); \
21 extern long double FN##l(_Complex long double);
22 #define CPROTOTYPE1(FN) extern double FN(_Complex double); \
23 extern float FN##f(_Complex float); \
24 extern long double FN##l(_Complex long double);
25 #define IPROTOTYPE(FN) extern int FN(int); extern int FN##l(long); \
26 extern int FN##ll(long long);
27 #define PROTOTYPE2TYPE2(FN,A2TYPE) extern double FN(double, A2TYPE); \
28 extern float FN##f(float, A2TYPE); \
29 extern long double FN##l(long double, A2TYPE);
30 #define PROTOTYPE2_A2FPTR(FN) extern double FN(double, double *); \
31 extern float FN##f(float, float *); \
32 extern long double FN##l(long double, long double *);
34 extern int signbit (double);
35 extern int signbitf (float);
36 extern int signbitl (long double);
38 void test(double d1, double d2, float f1, float f2,
39 long double ld1, long double ld2)
41 /* These are always nonnegative. */
44 extern void link_failure_##FN (void); PROTOTYPE(FN) \
45 if (signbit(FN(d1)) || signbitf(FN##f(f1)) || signbitl(FN##l(ld1))) \
49 extern void link_failure_##FN (void); PROTOTYPE2(FN) \
50 if (signbit(FN(d1,d2)) || signbitf(FN##f(f1,f2)) || signbitl(FN##l(ld1,ld2))) \
54 extern void link_failure_##FN (void); CPROTOTYPE1(FN) \
55 if (signbit(FN(d1)) || signbitf(FN##f(f1)) || signbitl(FN##l(ld1))) \
59 extern void link_failure_##FN (void); IPROTOTYPE(FN) \
60 if (signbit(FN(d1)) || signbitf(FN##l(f1)) || signbitl(FN##ll(ld1))) \
77 ITEST1 (__builtin_parity);
78 ITEST1 (__builtin_popcount);
80 /* These are nonnegative if the first argument is. */
81 #define ARG1TEST1(FN) \
82 extern void link_failure_##FN (void); PROTOTYPE(FN) \
83 if (signbit(FN(fabs(d1))) || signbitf(FN##f(fabsf(f1))) \
84 || signbitl(FN##l(fabsl(ld1)))) \
87 /* Same, but allow specifying the return type. */
88 #define ARG1TEST1_RTYPE(FN,RTYPE) \
89 extern void link_failure_##FN (void); PROTOTYPE_RTYPE(FN,RTYPE) \
90 if (signbit(FN(fabs(d1))) || signbitf(FN##f(fabsf(f1))) \
91 || signbitl(FN##l(fabsl(ld1)))) \
94 /* These are nonnegative if the first argument is. */
95 #define ARG1TEST2(FN) \
96 extern void link_failure_##FN (void); PROTOTYPE2(FN) \
97 if (signbit(FN(fabs(d1),d2)) || signbitf(FN##f(fabsf(f1),f2)) \
98 || signbitl(FN##l(fabsl(ld1),ld2))) \
101 /* These are nonnegative if the second argument is. */
102 #define ARG2TEST2(FN) \
103 extern void link_failure_##FN (void); PROTOTYPE2(FN) \
104 if (signbit(FN(d1,fabs(d2))) || signbitf(FN##f(f1,fabsf(f2))) \
105 || signbitl(FN##l(ld1,fabsl(ld2)))) \
108 /* These are nonnegative if the first OR second argument is. */
109 #define ARG2TESTor(FN) \
110 extern void link_failure_##FN (void); PROTOTYPE2(FN) \
111 if (signbit(FN(fabs(d1),d2)) || signbitf(FN##f(fabsf(f1),f2)) \
112 || signbitl(FN##l(fabsl(ld1),ld2)) || signbit(FN(d1,fabs(d2))) \
113 || signbitf(FN##f(f1,fabsf(f2))) || signbitl(FN##l(ld1,fabsl(ld2)))) \
116 /* These are nonnegative if the first AND second argument is. */
117 #define ARG2TESTand(FN) \
118 extern void link_failure_##FN (void); PROTOTYPE2(FN) \
119 if (signbit(FN(fabs(d1),fabs(d2))) || signbitf(FN##f(fabsf(f1),fabsf(f2))) \
120 || signbitl(FN##l(fabsl(ld1),fabsl(ld2)))) \
123 /* These are nonnegative if the first argument is, 2nd arg is an int. */
124 #define ARG1TEST2_A2INT(FN, INTTYPE) \
125 extern void link_failure_##FN (void); PROTOTYPE2TYPE2(FN, INTTYPE) \
126 if (signbit(FN(fabs(d1),d2)) || signbitf(FN##f(fabsf(f1),f2)) \
127 || signbitl(FN##l(fabsl(ld1),ld2))) \
130 /* These are nonnegative if the first argument is, specify 2nd arg. */
131 #define ARG2TEST1_A2FPTR(FN) \
132 extern void link_failure_##FN (void); PROTOTYPE2_A2FPTR(FN) \
133 if (signbit(FN(fabs(d1),&d2)) || signbitf(FN##f(fabsf(f1),&f2)) \
134 || signbitl(FN##l(fabsl(ld1),&ld2))) \
146 ARG1TEST2_A2INT (ldexp, int);
147 ARG1TEST1_RTYPE (__builtin_llceil, long long);
148 ARG1TEST1_RTYPE (__builtin_llfloor, long long);
149 ARG1TEST1_RTYPE (llrint, long long);
150 ARG1TEST1_RTYPE (llround, long long);
151 ARG1TEST1_RTYPE (__builtin_lceil, long);
152 ARG1TEST1_RTYPE (__builtin_lfloor, long);
153 ARG1TEST1_RTYPE (lrint, long);
154 ARG1TEST1_RTYPE (lround, long);
155 /* The modf* functions aren't ever "const" or "pure" even with
156 -ffast-math so they won't be eliminated and yield a link failure. */
157 /* ARG2TEST1_A2FPTR (modf);*/
158 ARG1TEST1 (nearbyint);
163 ARG1TEST2_A2INT (scalbln, long);
164 ARG1TEST2_A2INT (scalbn, int);
165 ARG1TEST1_RTYPE (signbit, int);
166 ARG1TEST1 (significand);
173 ARG2TEST2 (copysign);