| /* Copyright (C) 2004 Free Software Foundation. |
| |
| Verify that GCC can determine which built-in functions produce a |
| nonnegative result. |
| |
| Written by Kaveh Ghazi, 2004-03-10. */ |
| |
| /* { dg-do link } */ |
| /* This test needs more recursion than the default. PR 68097 is about |
| adding proper range information for reals, so that no recursion |
| would be necessary. */ |
| /* { dg-options "-ffast-math --param max-ssa-name-query-depth=3" } */ |
| /* { dg-skip-if "" { *-*-* } { "-O0" } { "" } } */ |
| |
| #define PROTOTYPE_RTYPE(FN,RTYPE) extern RTYPE FN(double); \ |
| extern RTYPE FN##f(float); \ |
| extern RTYPE FN##l(long double); |
| #define PROTOTYPE(FN) extern double FN(double); extern float FN##f(float); \ |
| extern long double FN##l(long double); |
| #define PROTOTYPE2(FN) extern double FN(double, double); \ |
| extern float FN##f(float, float); \ |
| extern long double FN##l(long double, long double); |
| #define CPROTOTYPE1(FN) extern double FN(_Complex double); \ |
| extern float FN##f(_Complex float); \ |
| extern long double FN##l(_Complex long double); |
| #define CPROTOTYPE1(FN) extern double FN(_Complex double); \ |
| extern float FN##f(_Complex float); \ |
| extern long double FN##l(_Complex long double); |
| #define IPROTOTYPE(FN) extern int FN(int); extern int FN##l(long); \ |
| extern int FN##ll(long long); |
| #define PROTOTYPE2TYPE2(FN,A2TYPE) extern double FN(double, A2TYPE); \ |
| extern float FN##f(float, A2TYPE); \ |
| extern long double FN##l(long double, A2TYPE); |
| #define PROTOTYPE2_A2FPTR(FN) extern double FN(double, double *); \ |
| extern float FN##f(float, float *); \ |
| extern long double FN##l(long double, long double *); |
| |
| extern int signbit (double); |
| extern int signbitf (float); |
| extern int signbitl (long double); |
| |
| void test(double d1, double d2, float f1, float f2, |
| long double ld1, long double ld2) |
| { |
| /* These are always nonnegative. */ |
| |
| #define TEST1(FN) \ |
| extern void link_failure_##FN (void); PROTOTYPE(FN) \ |
| if (signbit(FN(d1)) || signbitf(FN##f(f1)) || signbitl(FN##l(ld1))) \ |
| link_failure_##FN() |
| |
| #define TEST2(FN) \ |
| extern void link_failure_##FN (void); PROTOTYPE2(FN) \ |
| if (signbit(FN(d1,d2)) || signbitf(FN##f(f1,f2)) || signbitl(FN##l(ld1,ld2))) \ |
| link_failure_##FN() |
| |
| #define CTEST1(FN) \ |
| extern void link_failure_##FN (void); CPROTOTYPE1(FN) \ |
| if (signbit(FN(d1)) || signbitf(FN##f(f1)) || signbitl(FN##l(ld1))) \ |
| link_failure_##FN() |
| |
| #define ITEST1(FN) \ |
| extern void link_failure_##FN (void); IPROTOTYPE(FN) \ |
| if (signbit(FN(d1)) || signbitf(FN##l(f1)) || signbitl(FN##ll(ld1))) \ |
| link_failure_##FN() |
| |
| TEST1 (acos); |
| TEST1 (acosh); |
| CTEST1 (cabs); |
| TEST1 (cosh); |
| TEST1 (erfc); |
| TEST1 (exp); |
| TEST1 (exp10); |
| TEST1 (exp2); |
| TEST1 (fabs); |
| TEST2 (fdim); |
| TEST2 (hypot); |
| TEST1 (pow10); |
| TEST1 (sqrt); |
| ITEST1 (ffs); |
| ITEST1 (__builtin_parity); |
| ITEST1 (__builtin_popcount); |
| |
| /* These are nonnegative if the first argument is. */ |
| #define ARG1TEST1(FN) \ |
| extern void link_failure_##FN (void); PROTOTYPE(FN) \ |
| if (signbit(FN(fabs(d1))) || signbitf(FN##f(fabsf(f1))) \ |
| || signbitl(FN##l(fabsl(ld1)))) \ |
| link_failure_##FN() |
| |
| /* Same, but allow specifying the return type. */ |
| #define ARG1TEST1_RTYPE(FN,RTYPE) \ |
| extern void link_failure_##FN (void); PROTOTYPE_RTYPE(FN,RTYPE) \ |
| if (signbit(FN(fabs(d1))) || signbitf(FN##f(fabsf(f1))) \ |
| || signbitl(FN##l(fabsl(ld1)))) \ |
| link_failure_##FN() |
| |
| /* These are nonnegative if the first argument is. */ |
| #define ARG1TEST2(FN) \ |
| extern void link_failure_##FN (void); PROTOTYPE2(FN) \ |
| if (signbit(FN(fabs(d1),d2)) || signbitf(FN##f(fabsf(f1),f2)) \ |
| || signbitl(FN##l(fabsl(ld1),ld2))) \ |
| link_failure_##FN() |
| |
| /* These are nonnegative if the second argument is. */ |
| #define ARG2TEST2(FN) \ |
| extern void link_failure_##FN (void); PROTOTYPE2(FN) \ |
| if (signbit(FN(d1,fabs(d2))) || signbitf(FN##f(f1,fabsf(f2))) \ |
| || signbitl(FN##l(ld1,fabsl(ld2)))) \ |
| link_failure_##FN() |
| |
| /* These are nonnegative if the first OR second argument is. */ |
| #define ARG2TESTor(FN) \ |
| extern void link_failure_##FN (void); PROTOTYPE2(FN) \ |
| if (signbit(FN(fabs(d1),d2)) || signbitf(FN##f(fabsf(f1),f2)) \ |
| || signbitl(FN##l(fabsl(ld1),ld2)) || signbit(FN(d1,fabs(d2))) \ |
| || signbitf(FN##f(f1,fabsf(f2))) || signbitl(FN##l(ld1,fabsl(ld2)))) \ |
| link_failure_##FN() |
| |
| /* These are nonnegative if the first AND second argument is. */ |
| #define ARG2TESTand(FN) \ |
| extern void link_failure_##FN (void); PROTOTYPE2(FN) \ |
| if (signbit(FN(fabs(d1),fabs(d2))) || signbitf(FN##f(fabsf(f1),fabsf(f2))) \ |
| || signbitl(FN##l(fabsl(ld1),fabsl(ld2)))) \ |
| link_failure_##FN() |
| |
| /* These are nonnegative if the first argument is, 2nd arg is an int. */ |
| #define ARG1TEST2_A2INT(FN, INTTYPE) \ |
| extern void link_failure_##FN (void); PROTOTYPE2TYPE2(FN, INTTYPE) \ |
| if (signbit(FN(fabs(d1),d2)) || signbitf(FN##f(fabsf(f1),f2)) \ |
| || signbitl(FN##l(fabsl(ld1),ld2))) \ |
| link_failure_##FN() |
| |
| /* These are nonnegative if the first argument is, specify 2nd arg. */ |
| #define ARG2TEST1_A2FPTR(FN) \ |
| extern void link_failure_##FN (void); PROTOTYPE2_A2FPTR(FN) \ |
| if (signbit(FN(fabs(d1),&d2)) || signbitf(FN##f(fabsf(f1),&f2)) \ |
| || signbitl(FN##l(fabsl(ld1),&ld2))) \ |
| link_failure_##FN() |
| |
| ARG1TEST1 (asinh); |
| ARG1TEST1 (atan); |
| ARG1TEST1 (atanh); |
| ARG1TEST1 (cbrt); |
| ARG1TEST1 (ceil); |
| ARG1TEST1 (erf); |
| ARG1TEST1 (expm1); |
| ARG1TEST1 (floor); |
| ARG1TEST2 (fmod); |
| ARG1TEST2_A2INT (ldexp, int); |
| ARG1TEST1_RTYPE (__builtin_llceil, long long); |
| ARG1TEST1_RTYPE (__builtin_llfloor, long long); |
| ARG1TEST1_RTYPE (llrint, long long); |
| ARG1TEST1_RTYPE (llround, long long); |
| ARG1TEST1_RTYPE (__builtin_lceil, long); |
| ARG1TEST1_RTYPE (__builtin_lfloor, long); |
| ARG1TEST1_RTYPE (lrint, long); |
| ARG1TEST1_RTYPE (lround, long); |
| /* The modf* functions aren't ever "const" or "pure" even with |
| -ffast-math so they won't be eliminated and yield a link failure. */ |
| /* ARG2TEST1_A2FPTR (modf);*/ |
| ARG1TEST1 (nearbyint); |
| ARG1TEST2 (pow); |
| ARG1TEST1 (rint); |
| ARG1TEST1 (round); |
| ARG1TEST2 (scalb); |
| ARG1TEST2_A2INT (scalbln, long); |
| ARG1TEST2_A2INT (scalbn, int); |
| ARG1TEST1_RTYPE (signbit, int); |
| ARG1TEST1 (significand); |
| ARG1TEST1 (sinh); |
| ARG1TEST1 (tanh); |
| ARG1TEST1 (trunc); |
| |
| ARG2TESTor (fmax); |
| ARG2TESTand (fmin); |
| ARG2TEST2 (copysign); |
| |
| } |
| |
| int main (void) |
| { |
| return 0; |
| } |